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* @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module html-embed/inserthtmlembedcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\nimport { findOptimalInsertionPosition, checkSelectionOnObject } from 'ckeditor5/src/widget';\n\n/**\n * The insert HTML embed element command.\n *\n * The command is registered by {@link module:html-embed/htmlembedediting~HtmlEmbedEditing} as `'insertHtmlEmbed'`.\n *\n * To insert the HTML embed element at the current selection, execute the command:\n *\n *\t\teditor.execute( 'insertHtmlEmbed' );\n *\n * @extends module:core/command~Command\n */\nexport default class InsertHtmlEmbedCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tthis.isEnabled = isHtmlEmbedAllowed( this.editor.model );\n\t}\n\n\t/**\n\t * Executes the command, which creates and inserts a new HTML embed element.\n\t *\n\t * @fires execute\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\n\t\tmodel.change( writer => {\n\t\t\tconst rawHtmlElement = writer.createElement( 'rawHtml' );\n\n\t\t\tmodel.insertContent( rawHtmlElement );\n\t\t\twriter.setSelection( rawHtmlElement, 'on' );\n\t\t} );\n\t}\n}\n\n// Checks if the `htmlEmbed` element can be inserted at the current model selection.\n//\n// @param {module:engine/model/model~Model} model\n// @returns {Boolean}\nfunction isHtmlEmbedAllowed( model ) {\n\tconst schema = model.schema;\n\tconst selection = model.document.selection;\n\n\treturn isHtmlEmbedAllowedInParent( selection, schema, model ) &&\n\t\t!checkSelectionOnObject( selection, schema );\n}\n\n// Checks if an HTML embed is allowed by the schema in the optimal insertion parent.\n//\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/model/model~Model} model Model instance.\n// @returns {Boolean}\nfunction isHtmlEmbedAllowedInParent( selection, schema, model ) {\n\tconst parent = getInsertPageBreakParent( selection, model );\n\n\treturn schema.checkChild( parent, 'rawHtml' );\n}\n\n// Returns a node that will be used to insert a page break with `model.insertContent` to check if a html embed element can be placed there.\n//\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// @param {module:engine/model/model~Model} model Model instance.\n// @returns {module:engine/model/element~Element}\nfunction getInsertPageBreakParent( selection, model ) {\n\tconst insertAt = findOptimalInsertionPosition( selection, model );\n\n\tconst parent = insertAt.parent;\n\n\tif ( parent.isEmpty && !parent.is( 'element', '$root' ) ) {\n\t\treturn parent.parent;\n\t}\n\n\treturn parent;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module html-embed/updatehtmlembedcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * The update HTML embed value command.\n *\n * The command is registered by {@link module:html-embed/htmlembedediting~HtmlEmbedEditing} as `'updateHtmlEmbed'`.\n *\n * To update the value of the HTML embed element at the current selection, execute the command:\n *\n *\t\teditor.execute( 'updateHtmlEmbed', '<b>HTML.</b>' );\n *\n * @extends module:core/command~Command\n */\nexport default class UpdateHtmlEmbedCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst rawHtmlElement = getSelectedRawHtmlModelWidget( selection );\n\n\t\tthis.isEnabled = !!rawHtmlElement;\n\t}\n\n\t/**\n\t * Executes the command, which updates the `value` attribute of the embedded HTML element:\n\t *\n\t * @fires execute\n\t * @param {String} value HTML as a string.\n\t */\n\texecute( value ) {\n\t\tconst model = this.editor.model;\n\t\tconst selection = model.document.selection;\n\t\tconst selectedRawHtmlElement = getSelectedRawHtmlModelWidget( selection );\n\n\t\tmodel.change( writer => {\n\t\t\twriter.setAttribute( 'value', value, selectedRawHtmlElement );\n\t\t} );\n\t}\n}\n\n// Returns the selected HTML embed element in the model, if any.\n//\n// @param {module:engine/model/selection~Selection} selection\n// @returns {module:engine/model/element~Element|null}\nfunction getSelectedRawHtmlModelWidget( selection ) {\n\tconst selectedElement = selection.getSelectedElement();\n\n\tif ( selectedElement && selectedElement.is( 'element', 'rawHtml' ) ) {\n\t\treturn selectedElement;\n\t}\n\n\treturn null;\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module html-embed/htmlembedediting\n */\n\nimport { Plugin, icons } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\nimport { toWidget } from 'ckeditor5/src/widget';\nimport { logWarning, createElement } from 'ckeditor5/src/utils';\n\nimport InsertHtmlEmbedCommand from './inserthtmlembedcommand';\nimport UpdateHtmlEmbedCommand from './updatehtmlembedcommand';\n\nimport '../theme/htmlembed.css';\n\n/**\n * The HTML embed editing feature.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class HtmlEmbedEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'HtmlEmbedEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( 'htmlEmbed', {\n\t\t\tshowPreviews: false,\n\t\t\tsanitizeHtml: rawHtml => {\n\t\t\t\t/**\n\t\t\t\t * When using the HTML embed feature with the `htmlEmbed.showPreviews=true` option, it is strongly recommended to\n\t\t\t\t * define a sanitize function that will clean up the input HTML in order to avoid XSS vulnerability.\n\t\t\t\t *\n\t\t\t\t * For a detailed overview, check the {@glink features/html-embed HTML embed feature} documentation.\n\t\t\t\t *\n\t\t\t\t * @error html-embed-provide-sanitize-function\n\t\t\t\t */\n\t\t\t\tlogWarning( 'html-embed-provide-sanitize-function' );\n\n\t\t\t\treturn {\n\t\t\t\t\thtml: rawHtml,\n\t\t\t\t\thasChanged: false\n\t\t\t\t};\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\n\t\tschema.register( 'rawHtml', {\n\t\t\tisObject: true,\n\t\t\tallowWhere: '$block',\n\t\t\tallowAttributes: [ 'value' ]\n\t\t} );\n\n\t\teditor.commands.add( 'updateHtmlEmbed', new UpdateHtmlEmbedCommand( editor ) );\n\t\teditor.commands.add( 'insertHtmlEmbed', new InsertHtmlEmbedCommand( editor ) );\n\n\t\tthis._setupConversion();\n\t}\n\n\t/**\n\t * Prepares converters for the feature.\n\t *\n\t * @private\n\t */\n\t_setupConversion() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\t\tconst view = editor.editing.view;\n\n\t\tconst htmlEmbedConfig = editor.config.get( 'htmlEmbed' );\n\n\t\t// Register div.raw-html-embed as a raw content element so all of it's content will be provided\n\t\t// as a view element's custom property while data upcasting.\n\t\teditor.data.registerRawContentMatcher( {\n\t\t\tname: 'div',\n\t\t\tclasses: 'raw-html-embed'\n\t\t} );\n\n\t\teditor.conversion.for( 'upcast' ).elementToElement( {\n\t\t\tview: {\n\t\t\t\tname: 'div',\n\t\t\t\tclasses: 'raw-html-embed'\n\t\t\t},\n\t\t\tmodel: ( viewElement, { writer } ) => {\n\t\t\t\t// The div.raw-html-embed is registered as a raw content element,\n\t\t\t\t// so all it's content is available in a custom property.\n\t\t\t\treturn writer.createElement( 'rawHtml', {\n\t\t\t\t\tvalue: viewElement.getCustomProperty( '$rawContent' )\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\teditor.conversion.for( 'dataDowncast' ).elementToElement( {\n\t\t\tmodel: 'rawHtml',\n\t\t\tview: ( modelElement, { writer } ) => {\n\t\t\t\treturn writer.createRawElement( 'div', { class: 'raw-html-embed' }, function( domElement ) {\n\t\t\t\t\tdomElement.innerHTML = modelElement.getAttribute( 'value' ) || '';\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\teditor.conversion.for( 'editingDowncast' ).elementToElement( {\n\t\t\ttriggerBy: {\n\t\t\t\tattributes: [ 'value' ]\n\t\t\t},\n\t\t\tmodel: 'rawHtml',\n\t\t\tview: ( modelElement, { writer } ) => {\n\t\t\t\tlet domContentWrapper, state, props;\n\n\t\t\t\tconst viewContainer = writer.createContainerElement( 'div', {\n\t\t\t\t\tclass: 'raw-html-embed',\n\t\t\t\t\t'data-html-embed-label': t( 'HTML snippet' ),\n\t\t\t\t\tdir: editor.locale.uiLanguageDirection\n\t\t\t\t} );\n\t\t\t\t// Widget cannot be a raw element because the widget system would not be able\n\t\t\t\t// to add its UI to it. Thus, we need this wrapper.\n\t\t\t\tconst viewContentWrapper = writer.createRawElement( 'div', {\n\t\t\t\t\tclass: 'raw-html-embed__content-wrapper'\n\t\t\t\t}, function( domElement ) {\n\t\t\t\t\tdomContentWrapper = domElement;\n\n\t\t\t\t\trenderContent( { domElement, editor, state, props } );\n\n\t\t\t\t\t// Since there is a `data-cke-ignore-events` attribute set on the wrapper element in the editable mode,\n\t\t\t\t\t// the explicit `mousedown` handler on the `capture` phase is needed to move the selection onto the whole\n\t\t\t\t\t// HTML embed widget.\n\t\t\t\t\tdomContentWrapper.addEventListener( 'mousedown', () => {\n\t\t\t\t\t\tif ( state.isEditable ) {\n\t\t\t\t\t\t\tconst model = editor.model;\n\t\t\t\t\t\t\tconst selectedElement = model.document.selection.getSelectedElement();\n\n\t\t\t\t\t\t\t// Move the selection onto the whole HTML embed widget if it's currently not selected.\n\t\t\t\t\t\t\tif ( selectedElement !== modelElement ) {\n\t\t\t\t\t\t\t\tmodel.change( writer => writer.setSelection( modelElement, 'on' ) );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}, true );\n\t\t\t\t} );\n\n\t\t\t\t// API exposed on each raw HTML embed widget so other features can control a particular widget.\n\t\t\t\tconst rawHtmlApi = {\n\t\t\t\t\tmakeEditable() {\n\t\t\t\t\t\tstate = Object.assign( {}, state, {\n\t\t\t\t\t\t\tisEditable: true\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t\trenderContent( { domElement: domContentWrapper, editor, state, props } );\n\n\t\t\t\t\t\tview.change( writer => {\n\t\t\t\t\t\t\twriter.setAttribute( 'data-cke-ignore-events', 'true', viewContentWrapper );\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t// This could be potentially pulled to a separate method called focusTextarea().\n\t\t\t\t\t\tdomContentWrapper.querySelector( 'textarea' ).focus();\n\t\t\t\t\t},\n\t\t\t\t\tsave( newValue ) {\n\t\t\t\t\t\t// If the value didn't change, we just cancel. If it changed,\n\t\t\t\t\t\t// it's enough to update the model – the entire widget will be reconverted.\n\t\t\t\t\t\tif ( newValue !== state.getRawHtmlValue() ) {\n\t\t\t\t\t\t\teditor.execute( 'updateHtmlEmbed', newValue );\n\t\t\t\t\t\t\teditor.editing.view.focus();\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tthis.cancel();\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tcancel() {\n\t\t\t\t\t\tstate = Object.assign( {}, state, {\n\t\t\t\t\t\t\tisEditable: false\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t\trenderContent( { domElement: domContentWrapper, editor, state, props } );\n\t\t\t\t\t\teditor.editing.view.focus();\n\n\t\t\t\t\t\tview.change( writer => {\n\t\t\t\t\t\t\twriter.removeAttribute( 'data-cke-ignore-events', viewContentWrapper );\n\t\t\t\t\t\t} );\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t\tstate = {\n\t\t\t\t\tshowPreviews: htmlEmbedConfig.showPreviews,\n\t\t\t\t\tisEditable: false,\n\t\t\t\t\tgetRawHtmlValue: () => modelElement.getAttribute( 'value' ) || ''\n\t\t\t\t};\n\n\t\t\t\tprops = {\n\t\t\t\t\tsanitizeHtml: htmlEmbedConfig.sanitizeHtml,\n\t\t\t\t\ttextareaPlaceholder: t( 'Paste raw HTML here...' ),\n\n\t\t\t\t\tonEditClick() {\n\t\t\t\t\t\trawHtmlApi.makeEditable();\n\t\t\t\t\t},\n\t\t\t\t\tonSaveClick( newValue ) {\n\t\t\t\t\t\trawHtmlApi.save( newValue );\n\t\t\t\t\t},\n\t\t\t\t\tonCancelClick() {\n\t\t\t\t\t\trawHtmlApi.cancel();\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t\twriter.insert( writer.createPositionAt( viewContainer, 0 ), viewContentWrapper );\n\n\t\t\t\twriter.setCustomProperty( 'rawHtmlApi', rawHtmlApi, viewContainer );\n\t\t\t\twriter.setCustomProperty( 'rawHtml', true, viewContainer );\n\n\t\t\t\treturn toWidget( viewContainer, writer, {\n\t\t\t\t\twidgetLabel: t( 'HTML snippet' ),\n\t\t\t\t\thasSelectionHandle: true\n\t\t\t\t} );\n\t\t\t}\n\t\t} );\n\n\t\tfunction renderContent( { domElement, editor, state, props } ) {\n\t\t\t// Remove all children;\n\t\t\tdomElement.textContent = '';\n\n\t\t\tconst domDocument = domElement.ownerDocument;\n\t\t\tlet domTextarea;\n\n\t\t\tif ( state.isEditable ) {\n\t\t\t\tconst textareaProps = {\n\t\t\t\t\tisDisabled: false,\n\t\t\t\t\tplaceholder: props.textareaPlaceholder\n\t\t\t\t};\n\n\t\t\t\tdomTextarea = createDomTextarea( { domDocument, state, props: textareaProps } );\n\n\t\t\t\tdomElement.append( domTextarea );\n\t\t\t} else if ( state.showPreviews ) {\n\t\t\t\tconst previewContainerProps = {\n\t\t\t\t\tsanitizeHtml: props.sanitizeHtml\n\t\t\t\t};\n\n\t\t\t\tdomElement.append( createPreviewContainer( { domDocument, state, props: previewContainerProps, editor } ) );\n\t\t\t} else {\n\t\t\t\tconst textareaProps = {\n\t\t\t\t\tisDisabled: true,\n\t\t\t\t\tplaceholder: props.textareaPlaceholder\n\t\t\t\t};\n\n\t\t\t\tdomElement.append( createDomTextarea( { domDocument, state, props: textareaProps } ) );\n\t\t\t}\n\n\t\t\tconst buttonsWrapperProps = {\n\t\t\t\tonEditClick: props.onEditClick,\n\t\t\t\tonSaveClick: () => {\n\t\t\t\t\tprops.onSaveClick( domTextarea.value );\n\t\t\t\t},\n\t\t\t\tonCancelClick: props.onCancelClick\n\t\t\t};\n\t\t\tdomElement.prepend( createDomButtonsWrapper( { editor, domDocument, state, props: buttonsWrapperProps } ) );\n\t\t}\n\n\t\tfunction createDomButtonsWrapper( { editor, domDocument, state, props } ) {\n\t\t\tconst domButtonsWrapper = createElement( domDocument, 'div', {\n\t\t\t\tclass: 'raw-html-embed__buttons-wrapper'\n\t\t\t} );\n\t\t\t// TODO these should be cached and we should only clone here these cached nodes!\n\t\t\tconst domEditButton = createDomButton( editor, 'edit' );\n\t\t\tconst domSaveButton = createDomButton( editor, 'save' );\n\t\t\tconst domCancelButton = createDomButton( editor, 'cancel' );\n\n\t\t\tif ( state.isEditable ) {\n\t\t\t\tconst clonedDomSaveButton = domSaveButton.cloneNode( true );\n\t\t\t\tconst clonedDomCancelButton = domCancelButton.cloneNode( true );\n\n\t\t\t\tclonedDomSaveButton.addEventListener( 'click', evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t\tprops.onSaveClick( );\n\t\t\t\t} );\n\n\t\t\t\tclonedDomCancelButton.addEventListener( 'click', evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t\tprops.onCancelClick( );\n\t\t\t\t} );\n\n\t\t\t\tdomButtonsWrapper.appendChild( clonedDomSaveButton );\n\t\t\t\tdomButtonsWrapper.appendChild( clonedDomCancelButton );\n\t\t\t} else {\n\t\t\t\tconst clonedDomEditButton = domEditButton.cloneNode( true );\n\n\t\t\t\tclonedDomEditButton.addEventListener( 'click', evt => {\n\t\t\t\t\tevt.preventDefault();\n\t\t\t\t\tprops.onEditClick();\n\t\t\t\t} );\n\n\t\t\t\tdomButtonsWrapper.appendChild( clonedDomEditButton );\n\t\t\t}\n\n\t\t\treturn domButtonsWrapper;\n\t\t}\n\n\t\tfunction createDomTextarea( { domDocument, state, props } ) {\n\t\t\tconst domTextarea = createElement( domDocument, 'textarea', {\n\t\t\t\tplaceholder: props.placeholder,\n\t\t\t\tclass: 'ck ck-reset ck-input ck-input-text raw-html-embed__source'\n\t\t\t} );\n\n\t\t\tdomTextarea.disabled = props.isDisabled;\n\t\t\tdomTextarea.value = state.getRawHtmlValue();\n\n\t\t\treturn domTextarea;\n\t\t}\n\n\t\tfunction createPreviewContainer( { domDocument, state, props, editor } ) {\n\t\t\tconst sanitizedOutput = props.sanitizeHtml( state.getRawHtmlValue() );\n\t\t\tconst placeholderText = state.getRawHtmlValue().length > 0 ?\n\t\t\t\tt( 'No preview available' ) :\n\t\t\t\tt( 'Empty snippet content' );\n\n\t\t\tconst domPreviewPlaceholder = createElement( domDocument, 'div', {\n\t\t\t\tclass: 'ck ck-reset_all raw-html-embed__preview-placeholder'\n\t\t\t}, placeholderText );\n\n\t\t\tconst domPreviewContent = createElement( domDocument, 'div', {\n\t\t\t\tclass: 'raw-html-embed__preview-content',\n\t\t\t\tdir: editor.locale.contentLanguageDirection\n\t\t\t} );\n\n\t\t\tdomPreviewContent.innerHTML = sanitizedOutput.html;\n\n\t\t\tconst domPreviewContainer = createElement( domDocument, 'div', {\n\t\t\t\tclass: 'raw-html-embed__preview'\n\t\t\t}, [\n\t\t\t\tdomPreviewPlaceholder, domPreviewContent\n\t\t\t] );\n\n\t\t\treturn domPreviewContainer;\n\t\t}\n\t}\n}\n\n// Returns a toggle mode button DOM element that can be cloned and used in conversion.\n//\n//  @param {module:utils/locale~Locale} locale Editor locale.\n//  @param {'edit'|'save'|'cancel'} type Type of button to create.\n//  @returns {HTMLElement}\nfunction createDomButton( editor, type ) {\n\tconst t = editor.locale.t;\n\tconst buttonView = new ButtonView( editor.locale );\n\tconst command = editor.commands.get( 'updateHtmlEmbed' );\n\n\tbuttonView.set( {\n\t\ttooltipPosition: editor.locale.uiLanguageDirection === 'rtl' ? 'e' : 'w',\n\t\ticon: icons.pencil,\n\t\ttooltip: true\n\t} );\n\n\tbuttonView.render();\n\n\tif ( type === 'edit' ) {\n\t\tbuttonView.set( {\n\t\t\ticon: icons.pencil,\n\t\t\tlabel: t( 'Edit source' ),\n\t\t\tclass: 'raw-html-embed__edit-button'\n\t\t} );\n\t} else if ( type === 'save' ) {\n\t\tbuttonView.set( {\n\t\t\ticon: icons.check,\n\t\t\tlabel: t( 'Save changes' ),\n\t\t\tclass: 'raw-html-embed__save-button'\n\t\t} );\n\t\tbuttonView.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\t} else {\n\t\tbuttonView.set( {\n\t\t\ticon: icons.cancel,\n\t\t\tlabel: t( 'Cancel' ),\n\t\t\tclass: 'raw-html-embed__cancel-button'\n\t\t} );\n\t}\n\n\tbuttonView.destroy();\n\n\treturn buttonView.element.cloneNode( true );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module html-embed/htmlembedui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { ButtonView } from 'ckeditor5/src/ui';\n\nimport htmlEmbedIcon from '../theme/icons/html.svg';\n\n/**\n * The HTML embed UI plugin.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class HtmlEmbedUI extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'HtmlEmbedUI';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst t = editor.t;\n\n\t\t// Add the `htmlEmbed` button to feature components.\n\t\teditor.ui.componentFactory.add( 'htmlEmbed', locale => {\n\t\t\tconst command = editor.commands.get( 'insertHtmlEmbed' );\n\t\t\tconst view = new ButtonView( locale );\n\n\t\t\tview.set( {\n\t\t\t\tlabel: t( 'Insert HTML' ),\n\t\t\t\ticon: htmlEmbedIcon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tview.bind( 'isEnabled' ).to( command, 'isEnabled' );\n\n\t\t\t// Execute the command.\n\t\t\tthis.listenTo( view, 'execute', () => {\n\t\t\t\teditor.execute( 'insertHtmlEmbed' );\n\t\t\t\teditor.editing.view.focus();\n\n\t\t\t\tconst widgetWrapper = editor.editing.view.document.selection.getSelectedElement();\n\n\t\t\t\twidgetWrapper.getCustomProperty( 'rawHtmlApi' ).makeEditable();\n\t\t\t} );\n\n\t\t\treturn view;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module html-embed/htmlembed\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { Widget } from 'ckeditor5/src/widget';\n\nimport HtmlEmbedEditing from './htmlembedediting';\nimport HtmlEmbedUI from './htmlembedui';\n\n/**\n * The HTML embed feature.\n *\n * It allows inserting HTML snippets directly into the editor.\n *\n * For a detailed overview, check the {@glink features/html-embed HTML embed feature} documentation.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class HtmlEmbed extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ HtmlEmbedEditing, HtmlEmbedUI, Widget ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'HtmlEmbed';\n\t}\n}\n\n/**\n * The configuration of the HTML embed feature.\n *\n *\t\tClassicEditor\n *\t\t\t.create( editorElement, {\n * \t\t\t\thtmlEmbed: ... // HTML embed feature options.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface HtmlEmbedConfig\n */\n\n/**\n * Whether the feature should render previews of the embedded HTML.\n *\n * When set to `true`, the feature will produce a preview of the inserted HTML based on a sanitized\n * version of the HTML provided by the user.\n *\n * The function responsible for sanitizing the HTML needs to be specified in\n * {@link module:html-embed/htmlembed~HtmlEmbedConfig#sanitizeHtml `config.htmlEmbed.sanitizeHtml()`}.\n *\n * Read more about the security aspect of this feature in the {@glink features/html-embed#security \"Security\"} section of\n * the {@glink features/html-embed HTML embed} feature guide.\n *\n * @member {Boolean} [module:html-embed/htmlembed~HtmlEmbedConfig#showPreviews=false]\n */\n\n/**\n * Callback used to sanitize the HTML provided by the user when generating previews of it in the editor.\n *\n * We strongly recommend overwriting the default function to avoid XSS vulnerabilities.\n *\n * Read more about the security aspect of this feature in the {@glink features/html-embed#security \"Security\"} section of\n * the {@glink features/html-embed HTML embed} feature guide.\n *\n * The function receives the input HTML (as a string), and should return an object\n * that matches the {@link module:html-embed/htmlembed~HtmlEmbedSanitizeOutput} interface.\n *\n *  \tClassicEditor\n * \t\t\t.create( editorElement, {\n * \t\t\t\thtmlEmbed: {\n * \t\t\t\t\tshowPreviews: true,\n * \t\t\t\t\tsanitizeHtml( inputHtml ) {\n * \t\t\t\t\t\t// Strip unsafe elements and attributes, e.g.:\n * \t\t\t\t\t\t// the `<script>` elements and `on*` attributes.\n * \t\t\t\t\t\tconst outputHtml = sanitize( inputHtml );\n *\n * \t\t\t\t\t\treturn {\n * \t\t\t\t\t\t\thtml: outputHtml,\n *\t\t\t\t\t\t\t// true or false depending on whether the sanitizer stripped anything.\n * \t\t\t\t\t\t\thasChanged: ...\n * \t\t\t\t\t\t};\n * \t\t\t\t\t},\n * \t\t\t\t}\n * \t\t\t} )\n * \t\t\t.then( ... )\n * \t\t\t.catch( ... );\n *\n * **Note:** The function is used only when the feature\n * {@link module:html-embed/htmlembed~HtmlEmbedConfig#showPreviews is configured to render previews}.\n *\n * @member {Function} [module:html-embed/htmlembed~HtmlEmbedConfig#sanitizeHtml]\n */\n\n/**\n * An object returned by the {@link module:html-embed/htmlembed~HtmlEmbedConfig#sanitizeHtml} function.\n *\n * @interface HtmlEmbedSanitizeOutput\n */\n\n/**\n * An output (safe) HTML that will be inserted into the {@glink framework/guides/architecture/editing-engine editing view}.\n *\n * @member {String} module:html-embed/htmlembed~HtmlEmbedSanitizeOutput#html\n */\n\n/**\n * A flag that indicates whether the output HTML is different than the input value.\n *\n * @member {Boolean} [module:html-embed/htmlembed~HtmlEmbedSanitizeOutput#hasChanged]\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module essentials/essentials\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\n\nimport { Clipboard } from 'ckeditor5/src/clipboard';\nimport { Enter, ShiftEnter } from 'ckeditor5/src/enter';\nimport { SelectAll } from 'ckeditor5/src/select-all';\nimport { Typing } from 'ckeditor5/src/typing';\nimport { Undo } from 'ckeditor5/src/undo';\n\n/**\n * A plugin including all essential editing features. It represents a set of features that enables similar functionalities\n * to a `<textarea>` element.\n *\n * It includes:\n *\n * * {@link module:clipboard/clipboard~Clipboard},\n * * {@link module:enter/enter~Enter},\n * * {@link module:select-all/selectall~SelectAll},\n * * {@link module:enter/shiftenter~ShiftEnter},\n * * {@link module:typing/typing~Typing},\n * * {@link module:undo/undo~Undo}.\n *\n * This plugin set does not define any block-level containers (such as {@link module:paragraph/paragraph~Paragraph}).\n * If your editor is supposed to handle block content, make sure to include it.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Essentials extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ Clipboard, Enter, SelectAll, ShiftEnter, Typing, Undo ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Essentials';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontcommand\n */\n\nimport { Command } from 'ckeditor5/src/core';\n\n/**\n * The base font command.\n *\n * @extends module:core/command~Command\n */\nexport default class FontCommand extends Command {\n\t/**\n\t * Creates an instance of the command.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor Editor instance.\n\t * @param {String} attributeKey The name of a model attribute on which this command operates.\n\t */\n\tconstructor( editor, attributeKey ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * When set, it reflects the {@link #attributeKey} value of the selection.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {String} module:font/fontcommand~FontCommand#value\n\t\t */\n\n\t\t/**\n\t\t * A model attribute on which this command operates.\n\t\t *\n\t\t * @readonly\n\t\t * @member {Boolean} module:font/fontcommand~FontCommand#attributeKey\n\t\t */\n\t\tthis.attributeKey = attributeKey;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.value = doc.selection.getAttribute( this.attributeKey );\n\t\tthis.isEnabled = model.schema.checkAttributeInSelection( doc.selection, this.attributeKey );\n\t}\n\n\t/**\n\t * Executes the command. Applies the `value` of the {@link #attributeKey} to the selection.\n\t * If no `value` is passed, it removes the attribute from the selection.\n\t *\n\t * @protected\n\t * @param {Object} [options] Options for the executed command.\n\t * @param {String} [options.value] The value to apply.\n\t * @fires execute\n\t */\n\texecute( options = {} ) {\n\t\tconst model = this.editor.model;\n\t\tconst document = model.document;\n\t\tconst selection = document.selection;\n\n\t\tconst value = options.value;\n\n\t\tmodel.change( writer => {\n\t\t\tif ( selection.isCollapsed ) {\n\t\t\t\tif ( value ) {\n\t\t\t\t\twriter.setSelectionAttribute( this.attributeKey, value );\n\t\t\t\t} else {\n\t\t\t\t\twriter.removeSelectionAttribute( this.attributeKey );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tconst ranges = model.schema.getValidRanges( selection.getRanges(), this.attributeKey );\n\n\t\t\t\tfor ( const range of ranges ) {\n\t\t\t\t\tif ( value ) {\n\t\t\t\t\t\twriter.setAttribute( this.attributeKey, value, range );\n\t\t\t\t\t} else {\n\t\t\t\t\t\twriter.removeAttribute( this.attributeKey, range );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/utils\n */\n\n/**\n * Returns attributes that should be preserved on the enter key.\n *\n * Filtering is realized based on `copyOnEnter` attribute property. Read more about attribute properties\n * {@link module:engine/model/schema~Schema#setAttributeProperties here}.\n *\n * @param {module:engine/model/schema~Schema} schema\n * @param {Iterable.<*>} allAttributes attributes to filter.\n * @returns {Iterable.<*>}\n */\nexport function* getCopyOnEnterAttributes( schema, allAttributes ) {\n\tfor ( const attribute of allAttributes ) {\n\t\tif ( attribute && schema.getAttributeProperties( attribute[ 0 ] ).copyOnEnter ) {\n\t\t\tyield attribute;\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/entercommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getCopyOnEnterAttributes } from './utils';\n\n/**\n * Enter command. It is used by the {@link module:enter/enter~Enter Enter feature} to handle the <kbd>Enter</kbd> key.\n *\n * @extends module:core/command~Command\n */\nexport default class EnterCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tenterBlock( this.editor.model, writer, doc.selection, model.schema );\n\t\t\tthis.fire( 'afterExecute', { writer } );\n\t\t} );\n\t}\n}\n\n// Creates a new block in the way that the <kbd>Enter</kbd> key is expected to work.\n//\n// @param {module:engine/model~Model} model\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// Selection on which the action should be performed.\n// @param {module:engine/model/schema~Schema} schema\nfunction enterBlock( model, writer, selection, schema ) {\n\tconst isSelectionEmpty = selection.isCollapsed;\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\n\t// Don't touch the roots and other limit elements.\n\tif ( schema.isLimit( startElement ) || schema.isLimit( endElement ) ) {\n\t\t// Delete the selected content but only if inside a single limit element.\n\t\t// Abort, when crossing limit elements boundary (e.g. <limit1>x[x</limit1>donttouchme<limit2>y]y</limit2>).\n\t\t// This is an edge case and it's hard to tell what should actually happen because such a selection\n\t\t// is not entirely valid.\n\t\tif ( !isSelectionEmpty && startElement == endElement ) {\n\t\t\tmodel.deleteContent( selection );\n\t\t}\n\n\t\treturn;\n\t}\n\n\tif ( isSelectionEmpty ) {\n\t\tconst attributesToCopy = getCopyOnEnterAttributes( writer.model.schema, selection.getAttributes() );\n\t\tsplitBlock( writer, range.start );\n\t\twriter.setSelectionAttribute( attributesToCopy );\n\t} else {\n\t\tconst leaveUnmerged = !( range.start.isAtStart && range.end.isAtEnd );\n\t\tconst isContainedWithinOneElement = ( startElement == endElement );\n\n\t\tmodel.deleteContent( selection, { leaveUnmerged } );\n\n\t\tif ( leaveUnmerged ) {\n\t\t\t// Partially selected elements.\n\t\t\t//\n\t\t\t// <h>x[xx]x</h>\t\t-> <h>x^x</h>\t\t\t-> <h>x</h><h>^x</h>\n\t\t\tif ( isContainedWithinOneElement ) {\n\t\t\t\tsplitBlock( writer, selection.focus );\n\t\t\t}\n\t\t\t// Selection over multiple elements.\n\t\t\t//\n\t\t\t// <h>x[x</h><p>y]y<p>\t-> <h>x^</h><p>y</p>\t-> <h>x</h><p>^y</p>\n\t\t\telse {\n\t\t\t\twriter.setSelection( endElement, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n\nfunction splitBlock( writer, splitPos ) {\n\twriter.split( splitPos );\n\twriter.setSelection( splitPos.parent.nextSibling, 0 );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/enterobserver\n */\n\nimport Observer from '@ckeditor/ckeditor5-engine/src/view/observer/observer';\nimport DomEventData from '@ckeditor/ckeditor5-engine/src/view/observer/domeventdata';\nimport { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';\n\n/**\n * Enter observer introduces the {@link module:engine/view/document~Document#event:enter} event.\n *\n * @extends module:engine/view/observer/observer~Observer\n */\nexport default class EnterObserver extends Observer {\n\tconstructor( view ) {\n\t\tsuper( view );\n\n\t\tconst doc = this.document;\n\n\t\tdoc.on( 'keydown', ( evt, data ) => {\n\t\t\tif ( this.isEnabled && data.keyCode == keyCodes.enter ) {\n\t\t\t\t// Save the event object to check later if it was stopped or not.\n\t\t\t\tlet event;\n\t\t\t\tdoc.once( 'enter', evt => ( event = evt ), { priority: 'highest' } );\n\n\t\t\t\tdoc.fire( 'enter', new DomEventData( doc, data.domEvent, {\n\t\t\t\t\tisSoft: data.shiftKey\n\t\t\t\t} ) );\n\n\t\t\t\t// Stop `keydown` event if `enter` event was stopped.\n\t\t\t\t// https://github.com/ckeditor/ckeditor5/issues/753\n\t\t\t\tif ( event && event.stop.called ) {\n\t\t\t\t\tevt.stop();\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tobserve() {}\n}\n\n/**\n * Event fired when the user presses the <kbd>Enter</kbd> key.\n *\n * Note: This event is fired by the {@link module:enter/enterobserver~EnterObserver observer}\n * (usually registered by the {@link module:enter/enter~Enter Enter feature} and\n * {@link module:enter/shiftenter~ShiftEnter ShiftEnter feature}).\n *\n * @event module:engine/view/document~Document#event:enter\n * @param {module:engine/view/observer/domeventdata~DomEventData} data\n * @param {Boolean} data.isSoft Whether it's a soft enter (<kbd>Shift</kbd>+<kbd>Enter</kbd>) or hard enter (<kbd>Enter</kbd>).\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/enter\n */\n\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\nimport EnterCommand from './entercommand';\nimport EnterObserver from './enterobserver';\n\n/**\n * This plugin handles the <kbd>Enter</kbd> key (hard line break) in the editor.\n *\n * See also the {@link module:enter/shiftenter~ShiftEnter} plugin.\n *\n * For more information about this feature see the {@glink api/enter package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class Enter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'Enter';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\tview.addObserver( EnterObserver );\n\n\t\teditor.commands.add( 'enter', new EnterCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\n\t\t\t// The soft enter key is handled by the ShiftEnter plugin.\n\t\t\tif ( data.isSoft ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.execute( 'enter' );\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/shiftentercommand\n */\n\nimport Command from '@ckeditor/ckeditor5-core/src/command';\nimport { getCopyOnEnterAttributes } from './utils';\n\n/**\n * ShiftEnter command. It is used by the {@link module:enter/shiftenter~ShiftEnter ShiftEnter feature} to handle\n * the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke.\n *\n * @extends module:core/command~Command\n */\nexport default class ShiftEnterCommand extends Command {\n\t/**\n\t * @inheritDoc\n\t */\n\texecute() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tmodel.change( writer => {\n\t\t\tsoftBreakAction( model, writer, doc.selection );\n\t\t\tthis.fire( 'afterExecute', { writer } );\n\t\t} );\n\t}\n\n\trefresh() {\n\t\tconst model = this.editor.model;\n\t\tconst doc = model.document;\n\n\t\tthis.isEnabled = isEnabled( model.schema, doc.selection );\n\t}\n}\n\n// Checks whether the ShiftEnter command should be enabled in the specified selection.\n//\n// @param {module:engine/model/schema~Schema} schema\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\nfunction isEnabled( schema, selection ) {\n\t// At this moment it is okay to support single range selections only.\n\t// But in the future we may need to change that.\n\tif ( selection.rangeCount > 1 ) {\n\t\treturn false;\n\t}\n\n\tconst anchorPos = selection.anchor;\n\n\t// Check whether the break element can be inserted in the current selection anchor.\n\tif ( !anchorPos || !schema.checkChild( anchorPos, 'softBreak' ) ) {\n\t\treturn false;\n\t}\n\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\n\t// Do not modify the content if selection is cross-limit elements.\n\tif ( ( isInsideLimitElement( startElement, schema ) || isInsideLimitElement( endElement, schema ) ) && startElement !== endElement ) {\n\t\treturn false;\n\t}\n\n\treturn true;\n}\n\n// Creates a break in the way that the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke is expected to work.\n//\n// @param {module:engine/model~Model} model\n// @param {module:engine/model/writer~Writer} writer\n// @param {module:engine/model/selection~Selection|module:engine/model/documentselection~DocumentSelection} selection\n// Selection on which the action should be performed.\nfunction softBreakAction( model, writer, selection ) {\n\tconst isSelectionEmpty = selection.isCollapsed;\n\tconst range = selection.getFirstRange();\n\tconst startElement = range.start.parent;\n\tconst endElement = range.end.parent;\n\tconst isContainedWithinOneElement = ( startElement == endElement );\n\n\tif ( isSelectionEmpty ) {\n\t\tconst attributesToCopy = getCopyOnEnterAttributes( model.schema, selection.getAttributes() );\n\t\tinsertBreak( model, writer, range.end );\n\n\t\twriter.removeSelectionAttribute( selection.getAttributeKeys() );\n\t\twriter.setSelectionAttribute( attributesToCopy );\n\t} else {\n\t\tconst leaveUnmerged = !( range.start.isAtStart && range.end.isAtEnd );\n\t\tmodel.deleteContent( selection, { leaveUnmerged } );\n\n\t\t// Selection within one element:\n\t\t//\n\t\t// <h>x[xx]x</h>\t\t-> <h>x^x</h>\t\t\t-> <h>x<br>^x</h>\n\t\tif ( isContainedWithinOneElement ) {\n\t\t\tinsertBreak( model, writer, selection.focus );\n\t\t}\n\t\t// Selection over multiple elements.\n\t\t//\n\t\t// <h>x[x</h><p>y]y<p>\t-> <h>x^</h><p>y</p>\t-> <h>x</h><p>^y</p>\n\t\t//\n\t\t// We chose not to insert a line break in this case because:\n\t\t//\n\t\t// * it's not a very common scenario,\n\t\t// * it actually surprised me when I saw the \"expected behavior\" in real life.\n\t\t//\n\t\t// It's ok if the user will need to be more specific where they want the <br> to be inserted.\n\t\telse {\n\t\t\t// Move the selection to the 2nd element (last step of the example above).\n\t\t\tif ( leaveUnmerged ) {\n\t\t\t\twriter.setSelection( endElement, 0 );\n\t\t\t}\n\t\t}\n\t}\n}\n\nfunction insertBreak( model, writer, position ) {\n\tconst breakLineElement = writer.createElement( 'softBreak' );\n\n\tmodel.insertContent( breakLineElement, position );\n\twriter.setSelection( breakLineElement, 'after' );\n}\n\n// Checks whether the specified `element` is a child of the limit element.\n//\n// Checking whether the `<p>` element is inside a limit element:\n//   - <$root><p>Text.</p></$root> => false\n//   - <$root><limitElement><p>Text</p></limitElement></$root> => true\n//\n// @param {module:engine/model/element~Element} element\n// @param {module:engine/schema~Schema} schema\n// @returns {Boolean}\nfunction isInsideLimitElement( element, schema ) {\n\t// `$root` is a limit element but in this case is an invalid element.\n\tif ( element.is( 'rootElement' ) ) {\n\t\treturn false;\n\t}\n\n\treturn schema.isLimit( element ) || isInsideLimitElement( element.parent, schema );\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter/shiftenter\n */\n\nimport ShiftEnterCommand from './shiftentercommand';\nimport EnterObserver from './enterobserver';\nimport Plugin from '@ckeditor/ckeditor5-core/src/plugin';\n\n/**\n * This plugin handles the <kbd>Shift</kbd>+<kbd>Enter</kbd> keystroke (soft line break) in the editor.\n *\n * See also the {@link module:enter/enter~Enter} plugin.\n *\n * For more information about this feature see the {@glink api/enter package page}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ShiftEnter extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'ShiftEnter';\n\t}\n\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst schema = editor.model.schema;\n\t\tconst conversion = editor.conversion;\n\t\tconst view = editor.editing.view;\n\t\tconst viewDocument = view.document;\n\n\t\t// Configure the schema.\n\t\tschema.register( 'softBreak', {\n\t\t\tallowWhere: '$text',\n\t\t\tisInline: true\n\t\t} );\n\n\t\t// Configure converters.\n\t\tconversion.for( 'upcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'softBreak',\n\t\t\t\tview: 'br'\n\t\t\t} );\n\n\t\tconversion.for( 'downcast' )\n\t\t\t.elementToElement( {\n\t\t\t\tmodel: 'softBreak',\n\t\t\t\tview: ( modelElement, { writer } ) => writer.createEmptyElement( 'br' )\n\t\t\t} );\n\n\t\tview.addObserver( EnterObserver );\n\n\t\teditor.commands.add( 'shiftEnter', new ShiftEnterCommand( editor ) );\n\n\t\tthis.listenTo( viewDocument, 'enter', ( evt, data ) => {\n\t\t\tdata.preventDefault();\n\n\t\t\t// The hard enter key is handled by the Enter plugin.\n\t\t\tif ( !data.isSoft ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\teditor.execute( 'shiftEnter' );\n\t\t\tview.scrollToTheSelection();\n\t\t}, { priority: 'low' } );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module enter\n */\n\nexport { default as Enter } from './enter';\nexport { default as ShiftEnter } from './shiftenter';\n","module.exports = \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M12.4 10.3L10 4.5l-2.4 5.8h4.8zm.5 1.2H7.1L5.7 15H4.2l5-12h1.6l5 12h-1.5L13 11.5zm3.1 7H4a1 1 0 0 1 0-2h12a1 1 0 0 1 0 2z\\\"/></svg>\"","module.exports = \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M4 2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8.38 9.262H7.62L10 5.506l2.38 5.756zm.532 1.285L14.34 16h1.426L10.804 4H9.196L4.234 16H5.66l1.428-3.453h5.824z\\\"/></svg>\"","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontcolor/fontcolorcommand\n */\n\nimport FontCommand from '../fontcommand';\nimport { FONT_COLOR } from '../utils';\n\n/**\n * The font color command. It is used by {@link module:font/fontcolor/fontcolorediting~FontColorEditing}\n * to apply the font color.\n *\n *\t\teditor.execute( 'fontColor', { value: 'rgb(250, 20, 20)' } );\n *\n * **Note**: Executing the command with the `null` value removes the attribute from the model.\n *\n * @extends module:font/fontcommand~FontCommand\n */\nexport default class FontColorCommand extends FontCommand {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, FONT_COLOR );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontcolor/fontcolorediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport FontColorCommand from './fontcolorcommand';\nimport { FONT_COLOR, renderDowncastElement, renderUpcastAttribute } from '../utils';\n\n/**\n * The font color editing feature.\n *\n * It introduces the {@link module:font/fontcolor/fontcolorcommand~FontColorCommand command} and\n * the `fontColor` attribute in the {@link module:engine/model/model~Model model} which renders\n * in the {@link module:engine/view/view view} as a `<span>` element (`<span style=\"color: ...\">`),\n * depending on the {@link module:font/fontcolor~FontColorConfig configuration}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FontColorEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FontColorEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( FONT_COLOR, {\n\t\t\tcolors: [\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 0%)',\n\t\t\t\t\tlabel: 'Black'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 30%)',\n\t\t\t\t\tlabel: 'Dim grey'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n\t\t\t\t\tlabel: 'Grey'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n\t\t\t\t\tlabel: 'Light grey'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n\t\t\t\t\tlabel: 'White',\n\t\t\t\t\thasBorder: true\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 75%, 60%)',\n\t\t\t\t\tlabel: 'Red'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(30, 75%, 60%)',\n\t\t\t\t\tlabel: 'Orange'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(60, 75%, 60%)',\n\t\t\t\t\tlabel: 'Yellow'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(90, 75%, 60%)',\n\t\t\t\t\tlabel: 'Light green'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n\t\t\t\t\tlabel: 'Green'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(150, 75%, 60%)',\n\t\t\t\t\tlabel: 'Aquamarine'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(180, 75%, 60%)',\n\t\t\t\t\tlabel: 'Turquoise'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(210, 75%, 60%)',\n\t\t\t\t\tlabel: 'Light blue'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(240, 75%, 60%)',\n\t\t\t\t\tlabel: 'Blue'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(270, 75%, 60%)',\n\t\t\t\t\tlabel: 'Purple'\n\t\t\t\t}\n\t\t\t],\n\t\t\tcolumns: 5\n\t\t} );\n\n\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tstyles: {\n\t\t\t\t\t'color': /[\\s\\S]+/\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: FONT_COLOR,\n\t\t\t\tvalue: renderUpcastAttribute( 'color' )\n\t\t\t}\n\t\t} );\n\n\t\t// Support legacy `<font color=\"..\">` formatting.\n\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: 'font',\n\t\t\t\tattributes: {\n\t\t\t\t\t'color': /^#?\\w+$/\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: FONT_COLOR,\n\t\t\t\tvalue: viewElement => viewElement.getAttribute( 'color' )\n\t\t\t}\n\t\t} );\n\n\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\tmodel: FONT_COLOR,\n\t\t\tview: renderDowncastElement( 'color' )\n\t\t} );\n\n\t\teditor.commands.add( FONT_COLOR, new FontColorCommand( editor ) );\n\n\t\t// Allow the font color attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: FONT_COLOR } );\n\n\t\teditor.model.schema.setAttributeProperties( FONT_COLOR, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontcolor/fontcolorui\n */\n\nimport ColorUI from '../ui/colorui';\nimport { FONT_COLOR } from '../utils';\nimport fontColorIcon from '../../theme/icons/font-color.svg';\n\n/**\n * The font color UI plugin. It introduces the `'fontColor'` dropdown.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FontColorUI extends ColorUI {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tconst t = editor.locale.t;\n\n\t\tsuper( editor, {\n\t\t\tcommandName: FONT_COLOR,\n\t\t\tcomponentName: FONT_COLOR,\n\t\t\ticon: fontColorIcon,\n\t\t\tdropdownLabel: t( 'Font Color' )\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FontColorUI';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontcolor\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport FontColorEditing from './fontcolor/fontcolorediting';\nimport FontColorUI from './fontcolor/fontcolorui';\n\n/**\n * The font color plugin.\n *\n * For a detailed overview, check the {@glink features/font font feature} documentation\n * and the {@glink api/font package page}.\n *\n * This is a \"glue\" plugin which loads the {@link module:font/fontcolor/fontcolorediting~FontColorEditing} and\n * {@link module:font/fontcolor/fontcolorui~FontColorUI} features in the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FontColor extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ FontColorEditing, FontColorUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FontColor';\n\t}\n}\n\n/**\n * The configuration of the font color feature.\n * It is introduced by the {@link module:font/fontcolor/fontcolorediting~FontColorEditing} feature.\n *\n * Read more in {@link module:font/fontcolor~FontColorConfig}.\n *\n * @member {module:font/fontcolor~FontColorConfig} module:core/editor/editorconfig~EditorConfig#fontColor\n */\n\n/**\n * The configuration of the font color feature.\n * This option is used by the {@link module:font/fontcolor/fontcolorediting~FontColorEditing} feature.\n *\n *\t\tClassicEditor\n *\t\t\t.create( {\n *\t\t\t\tfontColor: ... // Font color feature configuration.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface module:font/fontcolor~FontColorConfig\n */\n\n/**\n * Available font colors defined as an array of strings or objects.\n *\n * The default value registers the following colors:\n *\n *\t\tconst fontColorConfig = {\n *\t\t\tcolors: [\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 0%)',\n *\t\t\t\t\tlabel: 'Black'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 30%)',\n *\t\t\t\t\tlabel: 'Dim grey'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n *\t\t\t\t\tlabel: 'Grey'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\t\tlabel: 'Light grey'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n *\t\t\t\t\tlabel: 'White',\n *\t\t\t\t\thasBorder: true\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Red'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(30, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Orange'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(60, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Yellow'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(90, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Light green'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Green'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(150, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Aquamarine'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(180, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Turquoise'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(210, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Light blue'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(240, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Blue'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(270, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Purple'\n *\t\t\t\t}\n *\t\t\t]\n *\t\t};\n *\n * **Note**: The colors are displayed in the `'fontColor'` dropdown.\n *\n * @member {Array.<String|Object>} module:font/fontcolor~FontColorConfig#colors\n */\n\n/**\n * Represents the number of columns in the font color dropdown.\n *\n * The default value is:\n *\n *\t\tconst fontColorConfig = {\n *\t\t\tcolumns: 5\n *\t\t}\n *\n * @member {Number} module:font/fontcolor~FontColorConfig#columns\n */\n\n/**\n * Determines the maximum number of available document colors.\n * Setting it to `0` will disable the document colors feature.\n *\n * By default it equals to the {@link module:font/fontcolor~FontColorConfig#columns} value.\n *\n * Examples:\n *\n * \t// 1) Neither document colors nor columns are defined in the configuration.\n * \t// Document colors will equal 5,\n * \t// because the value will be inherited from columns,\n * \t// which has a predefined value of 5.\n * \tconst fontColorConfig = {}\n *\n * \t// 2) Document colors will equal 8, because the value will be inherited from columns.\n * \tconst fontColorConfig = {\n * \t\tcolumns: 8\n * \t}\n *\n * \t// 3) Document colors will equal 24, because it has its own value defined.\n * \tconst fontColorConfig = {\n * \t\tcolumns: 8,\n * \t\tdocumentColors: 24\n * \t}\n *\n * \t// 4) The document colors feature will be disabled.\n * \tconst fontColorConfig = {\n * \t\tcolumns: 8,\n * \t\tdocumentColors: 0\n * \t}\n *\n * @member {Number} module:font/fontcolor~FontColorConfig#documentColors\n */\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/documentcolorcollection\n */\n\nimport { Collection, ObservableMixin, mix } from 'ckeditor5/src/utils';\n\n/**\n * A collection to store document colors. It enforces colors to be unique.\n *\n * @mixes module:utils/observablemixin~ObservableMixin\n * @extends module:utils/collection~Collection\n */\nexport default class DocumentColorCollection extends Collection {\n\tconstructor( options ) {\n\t\tsuper( options );\n\n\t\t/**\n\t\t * Indicates whether the document color collection is empty.\n\t\t *\n\t\t * @observable\n\t\t * @readonly\n\t\t * @member {Boolean} #isEmpty\n\t\t */\n\t\tthis.set( 'isEmpty', true );\n\n\t\tthis.on( 'change', () => {\n\t\t\tthis.set( 'isEmpty', this.length === 0 );\n\t\t} );\n\t}\n\n\t/**\n\t * Adds a color to the document color collection.\n\t *\n\t * This method ensures that no color duplicates are inserted (compared using\n\t * the color value of the {@link module:ui/colorgrid/colorgrid~ColorDefinition}).\n\t *\n\t * If the item does not have an ID, it will be automatically generated and set on the item.\n\t *\n\t * @chainable\n\t * @param {module:ui/colorgrid/colorgrid~ColorDefinition} item\n\t * @param {Number} [index] The position of the item in the collection. The item\n\t * is pushed to the collection when `index` is not specified.\n\t * @fires add\n\t * @fires change\n\t */\n\tadd( item, index ) {\n\t\tif ( this.find( element => element.color === item.color ) ) {\n\t\t\t// No duplicates are allowed.\n\t\t\treturn;\n\t\t}\n\n\t\tsuper.add( item, index );\n\t}\n\n\t/**\n\t * Checks if an object with given colors is present in the document color collection.\n\t *\n\t * @param {String} color\n\t * @returns {Boolean}\n\t */\n\thasColor( color ) {\n\t\treturn !!this.find( item => item.color === color );\n\t}\n}\n\nmix( DocumentColorCollection, ObservableMixin );\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/ui/colortableview\n */\n\nimport { icons } from 'ckeditor5/src/core';\nimport { ButtonView, ColorGridView, ColorTileView, FocusCycler, LabelView, Template, View } from 'ckeditor5/src/ui';\nimport { FocusTracker, KeystrokeHandler } from 'ckeditor5/src/utils';\n\nimport DocumentColorCollection from '../documentcolorcollection';\n\nimport '../../theme/fontcolor.css';\n\n/**\n * A class which represents a view with the following sub–components:\n *\n * * A remove color button,\n * * A static {@link module:ui/colorgrid/colorgrid~ColorGridView} of colors defined in the configuration,\n * * A dynamic {@link module:ui/colorgrid/colorgrid~ColorGridView} of colors used in the document.\n *\n * @extends module:ui/view~View\n */\nexport default class ColorTableView extends View {\n\t/**\n\t * Creates a view to be inserted as a child of {@link module:ui/dropdown/dropdownview~DropdownView}.\n\t *\n\t * @param {module:utils/locale~Locale} [locale] The localization services instance.\n\t * @param {Object} config The configuration object.\n\t * @param {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>} config.colors An array with definitions of colors to\n\t * be displayed in the table.\n\t * @param {Number} config.columns The number of columns in the color grid.\n\t * @param {String} config.removeButtonLabel The label of the button responsible for removing the color.\n\t * @param {String} config.documentColorsLabel The label for the section with the document colors.\n\t * @param {String} config.documentColorsCount The number of colors in the document colors section inside the color dropdown.\n\t */\n\tconstructor( locale, { colors, columns, removeButtonLabel, documentColorsLabel, documentColorsCount } ) {\n\t\tsuper( locale );\n\n\t\t/**\n\t\t * A collection of the children of the table.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/viewcollection~ViewCollection}\n\t\t */\n\t\tthis.items = this.createCollection();\n\n\t\t/**\n\t\t * An array with objects representing colors to be displayed in the grid.\n\t\t *\n\t\t * @type {Arrray.<module:ui/colorgrid/colorgrid~ColorDefinition>}\n\t\t */\n\t\tthis.colorDefinitions = colors;\n\n\t\t/**\n\t\t * Tracks information about the DOM focus in the list.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/focustracker~FocusTracker}\n\t\t */\n\t\tthis.focusTracker = new FocusTracker();\n\n\t\t/**\n\t\t * An instance of the {@link module:utils/keystrokehandler~KeystrokeHandler}.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:utils/keystrokehandler~KeystrokeHandler}\n\t\t */\n\t\tthis.keystrokes = new KeystrokeHandler();\n\n\t\t/**\n\t\t * Keeps the value of the command associated with the table for the current selection.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.set( 'selectedColor' );\n\n\t\t/**\n\t\t * The label of the button responsible for removing color attributes.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.removeButtonLabel = removeButtonLabel;\n\n\t\t/**\n\t\t * The number of columns in the color grid.\n\t\t *\n\t\t * @type {Number}\n\t\t */\n\t\tthis.columns = columns;\n\n\t\t/**\n\t\t * A collection of definitions that store the document colors.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:font/documentcolorcollection~DocumentColorCollection}\n\t\t */\n\t\tthis.documentColors = new DocumentColorCollection();\n\n\t\t/**\n\t\t * The maximum number of colors in the document colors section.\n\t\t * If it equals 0, the document colors section is not added.\n\t\t *\n\t\t * @readonly\n\t\t * @type {Number}\n\t\t */\n\t\tthis.documentColorsCount = documentColorsCount;\n\n\t\t/**\n\t\t * Preserves the reference to {@link module:ui/colorgrid/colorgrid~ColorGridView} used to create\n\t\t * the default (static) color set.\n\t\t *\n\t\t * The property is loaded once the the parent dropdown is opened the first time.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/colorgrid/colorgrid~ColorGridView|undefined} #staticColorsGrid\n\t\t */\n\n\t\t/**\n\t\t * Preserves the reference to {@link module:ui/colorgrid/colorgrid~ColorGridView} used to create\n\t\t * the document colors. It remains undefined if the document colors feature is disabled.\n\t\t *\n\t\t * The property is loaded once the the parent dropdown is opened the first time.\n\t\t *\n\t\t * @readonly\n\t\t * @member {module:ui/colorgrid/colorgrid~ColorGridView|undefined} #documentColorsGrid\n\t\t */\n\n\t\t/**\n\t\t * Helps cycling over focusable {@link #items} in the list.\n\t\t *\n\t\t * @readonly\n\t\t * @protected\n\t\t * @member {module:ui/focuscycler~FocusCycler}\n\t\t */\n\t\tthis._focusCycler = new FocusCycler( {\n\t\t\tfocusables: this.items,\n\t\t\tfocusTracker: this.focusTracker,\n\t\t\tkeystrokeHandler: this.keystrokes,\n\t\t\tactions: {\n\t\t\t\t// Navigate list items backwards using the Arrow Up key.\n\t\t\t\tfocusPrevious: 'arrowup',\n\n\t\t\t\t// Navigate list items forwards using the Arrow Down key.\n\t\t\t\tfocusNext: 'arrowdown'\n\t\t\t}\n\t\t} );\n\n\t\t/**\n\t\t * Document color section's label.\n\t\t *\n\t\t * @private\n\t\t * @readonly\n\t\t * @type {String}\n\t\t */\n\t\tthis._documentColorsLabel = documentColorsLabel;\n\n\t\tthis.setTemplate( {\n\t\t\ttag: 'div',\n\t\t\tattributes: {\n\t\t\t\tclass: [\n\t\t\t\t\t'ck',\n\t\t\t\t\t'ck-color-table'\n\t\t\t\t]\n\t\t\t},\n\t\t\tchildren: this.items\n\t\t} );\n\n\t\tthis.items.add( this._removeColorButton() );\n\t}\n\n\t/**\n\t * Scans through the editor model and searches for text node attributes with the given attribute name.\n\t * Found entries are set as document colors.\n\t *\n\t * All the previously stored document colors will be lost in the process.\n\t *\n\t * @param {module:engine/model/model~Model} model The model used as a source to obtain the document colors.\n\t * @param {String} attributeName Determines the name of the related model's attribute for a given dropdown.\n\t */\n\tupdateDocumentColors( model, attributeName ) {\n\t\tconst document = model.document;\n\t\tconst maxCount = this.documentColorsCount;\n\n\t\tthis.documentColors.clear();\n\n\t\tfor ( const rootName of document.getRootNames() ) {\n\t\t\tconst root = document.getRoot( rootName );\n\t\t\tconst range = model.createRangeIn( root );\n\n\t\t\tfor ( const node of range.getItems() ) {\n\t\t\t\tif ( node.is( '$textProxy' ) && node.hasAttribute( attributeName ) ) {\n\t\t\t\t\tthis._addColorToDocumentColors( node.getAttribute( attributeName ) );\n\n\t\t\t\t\tif ( this.documentColors.length >= maxCount ) {\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Refreshes the state of the selected color in one or both {@link module:ui/colorgrid/colorgrid~ColorGridView}s\n\t * available in the {@link module:font/ui/colortableview~ColorTableView}. It guarantees that the selection will occur only in one\n\t * of them.\n\t */\n\tupdateSelectedColors() {\n\t\tconst documentColorsGrid = this.documentColorsGrid;\n\t\tconst staticColorsGrid = this.staticColorsGrid;\n\t\tconst selectedColor = this.selectedColor;\n\n\t\tstaticColorsGrid.selectedColor = selectedColor;\n\n\t\tif ( documentColorsGrid ) {\n\t\t\tdocumentColorsGrid.selectedColor = selectedColor;\n\t\t}\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\trender() {\n\t\tsuper.render();\n\n\t\t// Items added before rendering should be known to the #focusTracker.\n\t\tfor ( const item of this.items ) {\n\t\t\tthis.focusTracker.add( item.element );\n\t\t}\n\n\t\t// Start listening for the keystrokes coming from #element.\n\t\tthis.keystrokes.listenTo( this.element );\n\t}\n\n\t/**\n\t * Appends {@link #staticColorsGrid} and {@link #documentColorsGrid} views.\n\t */\n\tappendGrids() {\n\t\tif ( this.staticColorsGrid ) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.staticColorsGrid = this._createStaticColorsGrid();\n\n\t\tthis.items.add( this.staticColorsGrid );\n\n\t\tif ( this.documentColorsCount ) {\n\t\t\t// Create a label for document colors.\n\t\t\tconst bind = Template.bind( this.documentColors, this.documentColors );\n\t\t\tconst label = new LabelView( this.locale );\n\t\t\tlabel.text = this._documentColorsLabel;\n\t\t\tlabel.extendTemplate( {\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: [\n\t\t\t\t\t\t'ck',\n\t\t\t\t\t\t'ck-color-grid__label',\n\t\t\t\t\t\tbind.if( 'isEmpty', 'ck-hidden' )\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t} );\n\t\t\tthis.items.add( label );\n\t\t\tthis.documentColorsGrid = this._createDocumentColorsGrid();\n\t\t\tthis.items.add( this.documentColorsGrid );\n\t\t}\n\t}\n\n\t/**\n\t * Focuses the first focusable element in {@link #items}.\n\t */\n\tfocus() {\n\t\tthis._focusCycler.focusFirst();\n\t}\n\n\t/**\n\t * Focuses the last focusable element in {@link #items}.\n\t */\n\tfocusLast() {\n\t\tthis._focusCycler.focusLast();\n\t}\n\n\t/**\n\t * Adds the remove color button as a child of the current view.\n\t *\n\t * @private\n\t * @returns {module:ui/button/buttonview~ButtonView}\n\t */\n\t_removeColorButton() {\n\t\tconst buttonView = new ButtonView();\n\n\t\tbuttonView.set( {\n\t\t\twithText: true,\n\t\t\ticon: icons.eraser,\n\t\t\ttooltip: true,\n\t\t\tlabel: this.removeButtonLabel\n\t\t} );\n\n\t\tbuttonView.class = 'ck-color-table__remove-color';\n\t\tbuttonView.on( 'execute', () => {\n\t\t\tthis.fire( 'execute', { value: null } );\n\t\t} );\n\n\t\treturn buttonView;\n\t}\n\n\t/**\n\t * Creates a static color table grid based on the editor configuration.\n\t *\n\t * @private\n\t * @returns {module:ui/colorgrid/colorgrid~ColorGridView}\n\t */\n\t_createStaticColorsGrid() {\n\t\tconst colorGrid = new ColorGridView( this.locale, {\n\t\t\tcolorDefinitions: this.colorDefinitions,\n\t\t\tcolumns: this.columns\n\t\t} );\n\n\t\tcolorGrid.delegate( 'execute' ).to( this );\n\n\t\treturn colorGrid;\n\t}\n\n\t/**\n\t * Creates the document colors section view and binds it to {@link #documentColors}.\n\t *\n\t * @private\n\t * @returns {module:ui/colorgrid/colorgrid~ColorGridView}\n\t */\n\t_createDocumentColorsGrid() {\n\t\tconst bind = Template.bind( this.documentColors, this.documentColors );\n\t\tconst documentColorsGrid = new ColorGridView( this.locale, {\n\t\t\tcolumns: this.columns\n\t\t} );\n\n\t\tdocumentColorsGrid.delegate( 'execute' ).to( this );\n\n\t\tdocumentColorsGrid.extendTemplate( {\n\t\t\tattributes: {\n\t\t\t\tclass: bind.if( 'isEmpty', 'ck-hidden' )\n\t\t\t}\n\t\t} );\n\n\t\tdocumentColorsGrid.items.bindTo( this.documentColors ).using(\n\t\t\tcolorObj => {\n\t\t\t\tconst colorTile = new ColorTileView();\n\n\t\t\t\tcolorTile.set( {\n\t\t\t\t\tcolor: colorObj.color,\n\t\t\t\t\thasBorder: colorObj.options && colorObj.options.hasBorder\n\t\t\t\t} );\n\n\t\t\t\tif ( colorObj.label ) {\n\t\t\t\t\tcolorTile.set( {\n\t\t\t\t\t\tlabel: colorObj.label,\n\t\t\t\t\t\ttooltip: true\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t\tcolorTile.on( 'execute', () => {\n\t\t\t\t\tthis.fire( 'execute', {\n\t\t\t\t\t\tvalue: colorObj.color\n\t\t\t\t\t} );\n\t\t\t\t} );\n\n\t\t\t\treturn colorTile;\n\t\t\t}\n\t\t);\n\n\t\t// Selected color should be cleared when document colors became empty.\n\t\tthis.documentColors.on( 'change:isEmpty', ( evt, name, val ) => {\n\t\t\tif ( val ) {\n\t\t\t\tdocumentColorsGrid.selectedColor = null;\n\t\t\t}\n\t\t} );\n\n\t\treturn documentColorsGrid;\n\t}\n\n\t/**\n\t * Adds a given color to the document colors list. If possible, the method will attempt to use\n\t * data from the {@link #colorDefinitions} (label, color options).\n\t *\n\t * @private\n\t * @param {String} color A string that stores the value of the recently applied color.\n\t */\n\t_addColorToDocumentColors( color ) {\n\t\tconst predefinedColor = this.colorDefinitions\n\t\t\t.find( definition => definition.color === color );\n\n\t\tif ( !predefinedColor ) {\n\t\t\tthis.documentColors.add( {\n\t\t\t\tcolor,\n\t\t\t\tlabel: color,\n\t\t\t\toptions: {\n\t\t\t\t\thasBorder: false\n\t\t\t\t}\n\t\t\t} );\n\t\t} else {\n\t\t\tthis.documentColors.add( Object.assign( {}, predefinedColor ) );\n\t\t}\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/utils\n */\n\nimport ColorTableView from './ui/colortableview';\n\n/**\n * The name of the font size plugin.\n */\nexport const FONT_SIZE = 'fontSize';\n\n/**\n * The name of the font family plugin.\n */\nexport const FONT_FAMILY = 'fontFamily';\n\n/**\n * The name of the font color plugin.\n */\nexport const FONT_COLOR = 'fontColor';\n\n/**\n * The name of the font background color plugin.\n */\nexport const FONT_BACKGROUND_COLOR = 'fontBackgroundColor';\n\n/**\n * Builds a proper {@link module:engine/conversion/conversion~ConverterDefinition converter definition} out of input data.\n *\n * @param {String} modelAttributeKey Key\n * @param {Array.<module:font/fontfamily~FontFamilyOption>|Array.<module:font/fontsize~FontSizeOption>} options\n * @returns {module:engine/conversion/conversion~ConverterDefinition}\n */\nexport function buildDefinition( modelAttributeKey, options ) {\n\tconst definition = {\n\t\tmodel: {\n\t\t\tkey: modelAttributeKey,\n\t\t\tvalues: []\n\t\t},\n\t\tview: {},\n\t\tupcastAlso: {}\n\t};\n\n\tfor ( const option of options ) {\n\t\tdefinition.model.values.push( option.model );\n\t\tdefinition.view[ option.model ] = option.view;\n\n\t\tif ( option.upcastAlso ) {\n\t\t\tdefinition.upcastAlso[ option.model ] = option.upcastAlso;\n\t\t}\n\t}\n\n\treturn definition;\n}\n\n/**\n * A {@link module:font/fontcolor~FontColor font color} and\n * {@link module:font/fontbackgroundcolor~FontBackgroundColor font background color} helper\n * responsible for upcasting data to the model.\n *\n * **Note**: The `styleAttr` parameter should be either `'color'` or `'background-color'`.\n *\n * @param {String} styleAttr\n * @return {String}\n */\nexport function renderUpcastAttribute( styleAttr ) {\n\treturn viewElement => normalizeColorCode( viewElement.getStyle( styleAttr ) );\n}\n\n/**\n * A {@link module:font/fontcolor~FontColor font color} and\n * {@link module:font/fontbackgroundcolor~FontBackgroundColor font background color} helper\n * responsible for downcasting a color attribute to a `<span>` element.\n *\n * **Note**: The `styleAttr` parameter should be either `'color'` or `'background-color'`.\n *\n * @param {String} styleAttr\n */\nexport function renderDowncastElement( styleAttr ) {\n\treturn ( modelAttributeValue, { writer } ) => writer.createAttributeElement( 'span', {\n\t\tstyle: `${ styleAttr }:${ modelAttributeValue }`\n\t}, { priority: 7 } );\n}\n\n/**\n * A helper that adds {@link module:font/ui/colortableview~ColorTableView} to the color dropdown with proper initial values.\n *\n * @param {Object} config The configuration object.\n * @param {module:ui/dropdown/dropdownview~DropdownView} config.dropdownView The dropdown view to which\n * a {@link module:font/ui/colortableview~ColorTableView} will be added.\n * @param {Array.<module:ui/colorgrid/colorgrid~ColorDefinition>} config.colors An array with definitions\n * representing colors to be displayed in the color table.\n * @param {String} config.removeButtonLabel The label for the button responsible for removing the color.\n * @param {String} config.documentColorsLabel The label for the section with document colors.\n * @param {String} config.documentColorsCount The number of document colors inside the dropdown.\n * @returns {module:font/ui/colortableview~ColorTableView} The new color table view.\n */\nexport function addColorTableToDropdown( { dropdownView, colors, columns, removeButtonLabel, documentColorsLabel, documentColorsCount } ) {\n\tconst locale = dropdownView.locale;\n\tconst colorTableView = new ColorTableView( locale, { colors, columns, removeButtonLabel, documentColorsLabel, documentColorsCount } );\n\n\tdropdownView.colorTableView = colorTableView;\n\tdropdownView.panelView.children.add( colorTableView );\n\n\tcolorTableView.delegate( 'execute' ).to( dropdownView, 'execute' );\n\n\treturn colorTableView;\n}\n\n// Fixes the color value string.\n//\n// @param {String} value\n// @returns {String}\nfunction normalizeColorCode( value ) {\n\treturn value.replace( /\\s/g, '' );\n}\n","module.exports = \"<svg viewBox=\\\"0 0 20 20\\\" xmlns=\\\"http://www.w3.org/2000/svg\\\"><path d=\\\"M17 0a2 2 0 0 1 2 2v7a1 1 0 0 1 1 1v5a1 1 0 0 1-.883.993l-.118.006L19 17a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2l-.001-1.001-.116-.006A1 1 0 0 1 0 15v-5a1 1 0 0 1 .999-1L1 2a2 2 0 0 1 2-2h14zm.499 15.999h-15L2.5 17a.5.5 0 0 0 .5.5h14a.5.5 0 0 0 .5-.5l-.001-1.001zm-3.478-6.013l-.014.014H14v.007l-1.525 1.525-1.46-1.46-.015.013V10h-1v5h1v-3.53l1.428 1.43.048.043.131-.129L14 11.421V15h1v-5h-.965l-.014-.014zM2 10H1v5h1v-2h2v2h1v-5H4v2H2v-2zm7 0H6v1h1v4h1v-4h1v-1zm8 0h-1v5h3v-1h-2v-4zm0-8.5H3a.5.5 0 0 0-.5.5l-.001 6.999h15L17.5 2a.5.5 0 0 0-.5-.5zM10 7v1H4V7h6zm3-2v1H4V5h9zm-3-2v1H4V3h6z\\\"/></svg>\"","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/ui/colorui\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { createDropdown, normalizeColorOptions, getLocalizedColorOptions } from 'ckeditor5/src/ui';\n\nimport { addColorTableToDropdown } from '../utils';\n\n/**\n * The color UI plugin which isolates the common logic responsible for displaying dropdowns with color grids.\n *\n * It is used to create the `'fontBackgroundColor'` and `'fontColor'` dropdowns, each hosting\n * a {@link module:font/ui/colortableview~ColorTableView}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class ColorUI extends Plugin {\n\t/**\n\t * Creates a plugin which introduces a dropdown with a pre–configured {@link module:font/ui/colortableview~ColorTableView}.\n\t *\n\t * @param {module:core/editor/editor~Editor} editor\n\t * @param {Object} config The configuration object.\n\t * @param {String} config.commandName The name of the command which will be executed when a color tile is clicked.\n\t * @param {String} config.componentName The name of the dropdown in the {@link module:ui/componentfactory~ComponentFactory}\n\t * and the configuration scope name in `editor.config`.\n\t * @param {String} config.icon The SVG icon used by the dropdown.\n\t * @param {String} config.dropdownLabel The label used by the dropdown.\n\t */\n\tconstructor( editor, { commandName, icon, componentName, dropdownLabel } ) {\n\t\tsuper( editor );\n\n\t\t/**\n\t\t * The name of the command which will be executed when a color tile is clicked.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.commandName = commandName;\n\n\t\t/**\n\t\t * The name of this component in the {@link module:ui/componentfactory~ComponentFactory}.\n\t\t * Also the configuration scope name in `editor.config`.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.componentName = componentName;\n\n\t\t/**\n\t\t * The SVG icon used by the dropdown.\n\t\t * @type {String}\n\t\t */\n\t\tthis.icon = icon;\n\n\t\t/**\n\t\t * The label used by the dropdown.\n\t\t *\n\t\t * @type {String}\n\t\t */\n\t\tthis.dropdownLabel = dropdownLabel;\n\n\t\t/**\n\t\t * The number of columns in the color grid.\n\t\t *\n\t\t * @type {Number}\n\t\t */\n\t\tthis.columns = editor.config.get( `${ this.componentName }.columns` );\n\n\t\t/**\n\t\t * Keeps a reference to {@link module:font/ui/colortableview~ColorTableView}.\n\t\t *\n\t\t * @member {module:font/ui/colortableview~ColorTableView}\n\t\t */\n\t\tthis.colorTableView = undefined;\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tinit() {\n\t\tconst editor = this.editor;\n\t\tconst locale = editor.locale;\n\t\tconst t = locale.t;\n\t\tconst command = editor.commands.get( this.commandName );\n\t\tconst colorsConfig = normalizeColorOptions( editor.config.get( this.componentName ).colors );\n\t\tconst localizedColors = getLocalizedColorOptions( locale, colorsConfig );\n\t\tconst documentColorsCount = editor.config.get( `${ this.componentName }.documentColors` );\n\n\t\t// Register the UI component.\n\t\teditor.ui.componentFactory.add( this.componentName, locale => {\n\t\t\tconst dropdownView = createDropdown( locale );\n\t\t\tthis.colorTableView = addColorTableToDropdown( {\n\t\t\t\tdropdownView,\n\t\t\t\tcolors: localizedColors.map( option => ( {\n\t\t\t\t\tlabel: option.label,\n\t\t\t\t\tcolor: option.model,\n\t\t\t\t\toptions: {\n\t\t\t\t\t\thasBorder: option.hasBorder\n\t\t\t\t\t}\n\t\t\t\t} ) ),\n\t\t\t\tcolumns: this.columns,\n\t\t\t\tremoveButtonLabel: t( 'Remove color' ),\n\t\t\t\tdocumentColorsLabel: documentColorsCount !== 0 ? t( 'Document colors' ) : undefined,\n\t\t\t\tdocumentColorsCount: documentColorsCount === undefined ? this.columns : documentColorsCount\n\t\t\t} );\n\n\t\t\tthis.colorTableView.bind( 'selectedColor' ).to( command, 'value' );\n\n\t\t\tdropdownView.buttonView.set( {\n\t\t\t\tlabel: this.dropdownLabel,\n\t\t\t\ticon: this.icon,\n\t\t\t\ttooltip: true\n\t\t\t} );\n\n\t\t\tdropdownView.extendTemplate( {\n\t\t\t\tattributes: {\n\t\t\t\t\tclass: 'ck-color-ui-dropdown'\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tdropdownView.bind( 'isEnabled' ).to( command );\n\n\t\t\tdropdownView.on( 'execute', ( evt, data ) => {\n\t\t\t\teditor.execute( this.commandName, data );\n\t\t\t\teditor.editing.view.focus();\n\t\t\t} );\n\n\t\t\tdropdownView.on( 'change:isOpen', ( evt, name, isVisible ) => {\n\t\t\t\t// Grids rendering is deferred (#6192).\n\t\t\t\tdropdownView.colorTableView.appendGrids();\n\n\t\t\t\tif ( isVisible ) {\n\t\t\t\t\tif ( documentColorsCount !== 0 ) {\n\t\t\t\t\t\tthis.colorTableView.updateDocumentColors( editor.model, this.componentName );\n\t\t\t\t\t}\n\t\t\t\t\tthis.colorTableView.updateSelectedColors();\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\treturn dropdownView;\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontbackgroundcolor/fontbackgroundcolorcommand\n */\n\nimport FontCommand from '../fontcommand';\nimport { FONT_BACKGROUND_COLOR } from '../utils';\n\n/**\n * The font background color command. It is used by\n * {@link module:font/fontbackgroundcolor/fontbackgroundcolorediting~FontBackgroundColorEditing}\n * to apply the font background color.\n *\n *\t\teditor.execute( 'fontBackgroundColor', { value: 'rgb(250, 20, 20)' } );\n *\n * **Note**: Executing the command with the `null` value removes the attribute from the model.\n *\n * @extends module:font/fontcommand~FontCommand\n */\nexport default class FontBackgroundColorCommand extends FontCommand {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor, FONT_BACKGROUND_COLOR );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontbackgroundcolor/fontbackgroundcolorediting\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport { addBackgroundRules } from 'ckeditor5/src/engine';\n\nimport FontBackgroundColorCommand from './fontbackgroundcolorcommand';\nimport { FONT_BACKGROUND_COLOR, renderDowncastElement, renderUpcastAttribute } from '../utils';\n\n/**\n * The font background color editing feature.\n *\n * It introduces the {@link module:font/fontbackgroundcolor/fontbackgroundcolorcommand~FontBackgroundColorCommand command} and\n * the `fontBackgroundColor` attribute in the {@link module:engine/model/model~Model model} which renders\n * in the {@link module:engine/view/view view} as a `<span>` element (`<span style=\"background-color: ...\">`),\n * depending on the {@link module:font/fontbackgroundcolor~FontBackgroundColorConfig configuration}.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FontBackgroundColorEditing extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FontBackgroundColorEditing';\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tsuper( editor );\n\n\t\teditor.config.define( FONT_BACKGROUND_COLOR, {\n\t\t\tcolors: [\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 0%)',\n\t\t\t\t\tlabel: 'Black'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 30%)',\n\t\t\t\t\tlabel: 'Dim grey'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n\t\t\t\t\tlabel: 'Grey'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n\t\t\t\t\tlabel: 'Light grey'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n\t\t\t\t\tlabel: 'White',\n\t\t\t\t\thasBorder: true\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(0, 75%, 60%)',\n\t\t\t\t\tlabel: 'Red'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(30, 75%, 60%)',\n\t\t\t\t\tlabel: 'Orange'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(60, 75%, 60%)',\n\t\t\t\t\tlabel: 'Yellow'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(90, 75%, 60%)',\n\t\t\t\t\tlabel: 'Light green'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n\t\t\t\t\tlabel: 'Green'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(150, 75%, 60%)',\n\t\t\t\t\tlabel: 'Aquamarine'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(180, 75%, 60%)',\n\t\t\t\t\tlabel: 'Turquoise'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(210, 75%, 60%)',\n\t\t\t\t\tlabel: 'Light blue'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(240, 75%, 60%)',\n\t\t\t\t\tlabel: 'Blue'\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tcolor: 'hsl(270, 75%, 60%)',\n\t\t\t\t\tlabel: 'Purple'\n\t\t\t\t}\n\t\t\t],\n\t\t\tcolumns: 5\n\t\t} );\n\n\t\teditor.data.addStyleProcessorRules( addBackgroundRules );\n\t\teditor.conversion.for( 'upcast' ).elementToAttribute( {\n\t\t\tview: {\n\t\t\t\tname: 'span',\n\t\t\t\tstyles: {\n\t\t\t\t\t'background-color': /[\\s\\S]+/\n\t\t\t\t}\n\t\t\t},\n\t\t\tmodel: {\n\t\t\t\tkey: FONT_BACKGROUND_COLOR,\n\t\t\t\tvalue: renderUpcastAttribute( 'background-color' )\n\t\t\t}\n\t\t} );\n\n\t\teditor.conversion.for( 'downcast' ).attributeToElement( {\n\t\t\tmodel: FONT_BACKGROUND_COLOR,\n\t\t\tview: renderDowncastElement( 'background-color' )\n\t\t} );\n\n\t\teditor.commands.add( FONT_BACKGROUND_COLOR, new FontBackgroundColorCommand( editor ) );\n\n\t\t// Allow the font backgroundColor attribute on text nodes.\n\t\teditor.model.schema.extend( '$text', { allowAttributes: FONT_BACKGROUND_COLOR } );\n\n\t\teditor.model.schema.setAttributeProperties( FONT_BACKGROUND_COLOR, {\n\t\t\tisFormatting: true,\n\t\t\tcopyOnEnter: true\n\t\t} );\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontbackgroundcolor/fontbackgroundcolorui\n */\n\nimport ColorUI from '../ui/colorui';\nimport { FONT_BACKGROUND_COLOR } from '../utils';\nimport fontBackgroundColorIcon from '../../theme/icons/font-background.svg';\n\n/**\n * The font background color UI plugin. It introduces the `'fontBackgroundColor'` dropdown.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FontBackgroundColorUI extends ColorUI {\n\t/**\n\t * @inheritDoc\n\t */\n\tconstructor( editor ) {\n\t\tconst t = editor.locale.t;\n\n\t\tsuper( editor, {\n\t\t\tcommandName: FONT_BACKGROUND_COLOR,\n\t\t\tcomponentName: FONT_BACKGROUND_COLOR,\n\t\t\ticon: fontBackgroundColorIcon,\n\t\t\tdropdownLabel: t( 'Font Background Color' )\n\t\t} );\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FontBackgroundColorUI';\n\t}\n}\n","/**\n * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.\n * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license\n */\n\n/**\n * @module font/fontbackgroundcolor\n */\n\nimport { Plugin } from 'ckeditor5/src/core';\nimport FontBackgroundColorEditing from './fontbackgroundcolor/fontbackgroundcolorediting';\nimport FontBackgroundColorUI from './fontbackgroundcolor/fontbackgroundcolorui';\n\n/**\n * The font background color plugin.\n *\n * For a detailed overview, check the {@glink features/font font feature} documentation\n * and the {@glink api/font package page}.\n *\n * This is a \"glue\" plugin which loads\n * the {@link module:font/fontbackgroundcolor/fontbackgroundcolorediting~FontBackgroundColorEditing} and\n * {@link module:font/fontbackgroundcolor/fontbackgroundcolorui~FontBackgroundColorUI} features in the editor.\n *\n * @extends module:core/plugin~Plugin\n */\nexport default class FontBackgroundColor extends Plugin {\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get requires() {\n\t\treturn [ FontBackgroundColorEditing, FontBackgroundColorUI ];\n\t}\n\n\t/**\n\t * @inheritDoc\n\t */\n\tstatic get pluginName() {\n\t\treturn 'FontBackgroundColor';\n\t}\n}\n\n/**\n * The configuration of the font background color feature.\n * It is introduced by the {@link module:font/fontbackgroundcolor/fontbackgroundcolorediting~FontBackgroundColorEditing} feature.\n *\n * Read more in {@link module:font/fontbackgroundcolor~FontBackgroundColorConfig}.\n *\n * @member {module:font/fontbackgroundcolor~FontBackgroundColorConfig} module:core/editor/editorconfig~EditorConfig#fontBackgroundColor\n */\n\n/**\n * The configuration of the font background color feature.\n * This option is used by the {@link module:font/fontbackgroundcolor/fontbackgroundcolorediting~FontBackgroundColorEditing} feature.\n *\n *\t\tClassicEditor\n *\t\t\t.create( {\n *\t\t\t\tfontBackgroundColor: ... // Font background color feature configuration.\n *\t\t\t} )\n *\t\t\t.then( ... )\n *\t\t\t.catch( ... );\n *\n * See {@link module:core/editor/editorconfig~EditorConfig all editor options}.\n *\n * @interface module:font/fontbackgroundcolor~FontBackgroundColorConfig\n */\n\n/**\n * Available font background colors defined as an array of strings or objects.\n *\n * The default value registers the following colors:\n *\n *\t\tconst fontBackgroundColorConfig = {\n *\t\t\tcolors: [\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 0%)',\n *\t\t\t\t\tlabel: 'Black'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 30%)',\n *\t\t\t\t\tlabel: 'Dim grey'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 60%)',\n *\t\t\t\t\tlabel: 'Grey'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 90%)',\n *\t\t\t\t\tlabel: 'Light grey'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 0%, 100%)',\n *\t\t\t\t\tlabel: 'White',\n *\t\t\t\t\thasBorder: true\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(0, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Red'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(30, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Orange'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(60, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Yellow'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(90, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Light green'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(120, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Green'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(150, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Aquamarine'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(180, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Turquoise'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(210, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Light blue'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(240, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Blue'\n *\t\t\t\t},\n *\t\t\t\t{\n *\t\t\t\t\tcolor: 'hsl(270, 75%, 60%)',\n *\t\t\t\t\tlabel: 'Purple'\n *\t\t\t\t}\n *\t\t\t]\n *\t\t};\n *\n * **Note**: The colors are displayed in the `'fontBackgroundColor'` dropdown.\n *\n * @member {Array.<String|Object>} module:font/fontbackgroundcolor~FontBackgroundColorConfig#colors\n */\n\n/**\n * Represents the number of columns in the font background color dropdown.\n *\n * The default value is:\n *\n *\t\tconst fontBackgroundColorConfig = {\n *\t\t\tcolumns: 5\n *\t\t}\n *\n * @member {Number} module:font/fontbackgroundcolor~FontBackgroundColorConfig#columns\n */\n\n/**\n * Determines the maximum number of available document colors.\n * Setting it to `0` will disable the document colors feature.\n *\n * By default it equals to the {@link module:font/fontbackgroundcolor~FontBackgroundColorConfig#columns} value.\n *\n * Examples:\n *\n * \t// 1) Neither document colors nor columns are defined in the configuration.\n * \t// Document colors will equal 5,\n * \t// because the value will be inherited from columns,\n * \t// which has a predefined value of 5.\n * \tconst fontBackgroundColorConfig = {}\n *\n * \t// 2) Document colors will equal 8, because the value will be inherited from columns.\n * \tconst fontBackgroundColorConfig = {\n * \t\tcolumns: 8\n * \t}\n *\n * \t// 3) Document colors will equal 24, because it has its own value defined.\n * \tconst fontBackgroundColorConfig = {\n * \t\tcolumns: 8,\n * \t\tdocumentColors: 24\n * \t}\n *\n * \t// 4) The document colors feature will be disabled.\n * \tconst fontBackgroundColorConfig = {\n * \t\tcolumns: 8,\n * \t\tdocumentColors: 0\n * \t}\n *\n * @member {Number} module:font/fontbackgroundcolor~FontBackgroundColorConfig#documentColors\n */\n"],"sourceRoot":""}