403 lines
11 KiB
JavaScript
403 lines
11 KiB
JavaScript
/**
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* @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or http://ckeditor.com/license
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*/
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( function() {
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CKEDITOR.plugins.add( 'panel', {
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beforeInit: function( editor ) {
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editor.ui.addHandler( CKEDITOR.UI_PANEL, CKEDITOR.ui.panel.handler );
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}
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} );
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/**
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* Panel UI element.
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*
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* @readonly
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* @property {String} [='panel']
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* @member CKEDITOR
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*/
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CKEDITOR.UI_PANEL = 'panel';
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/**
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* @class
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* @constructor Creates a panel class instance.
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* @param {CKEDITOR.dom.document} document
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* @param {Object} definition
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*/
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CKEDITOR.ui.panel = function( document, definition ) {
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// Copy all definition properties to this object.
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if ( definition )
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CKEDITOR.tools.extend( this, definition );
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// Set defaults.
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CKEDITOR.tools.extend( this, {
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className: '',
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css: []
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} );
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this.id = CKEDITOR.tools.getNextId();
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this.document = document;
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this.isFramed = this.forceIFrame || this.css.length;
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this._ = {
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blocks: {}
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};
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};
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/**
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* Represents panel handler object.
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*
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* @class
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* @singleton
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* @extends CKEDITOR.ui.handlerDefinition
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*/
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CKEDITOR.ui.panel.handler = {
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/**
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* Transforms a panel definition in a {@link CKEDITOR.ui.panel} instance.
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*
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* @param {Object} definition
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* @returns {CKEDITOR.ui.panel}
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*/
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create: function( definition ) {
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return new CKEDITOR.ui.panel( definition );
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}
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};
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var panelTpl = CKEDITOR.addTemplate( 'panel', '<div lang="{langCode}" id="{id}" dir={dir}' +
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' class="cke cke_reset_all {editorId} cke_panel cke_panel {cls} cke_{dir}"' +
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' style="z-index:{z-index}" role="presentation">' +
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'{frame}' +
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'</div>' );
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var frameTpl = CKEDITOR.addTemplate( 'panel-frame', '<iframe id="{id}" class="cke_panel_frame" role="presentation" frameborder="0" src="{src}"></iframe>' );
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var frameDocTpl = CKEDITOR.addTemplate( 'panel-frame-inner', '<!DOCTYPE html>' +
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'<html class="cke_panel_container {env}" dir="{dir}" lang="{langCode}">' +
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'<head>{css}</head>' +
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'<body class="cke_{dir}"' +
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' style="margin:0;padding:0" onload="{onload}"></body>' +
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'<\/html>' );
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/** @class CKEDITOR.ui.panel */
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CKEDITOR.ui.panel.prototype = {
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/**
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* Renders the combo.
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*
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* @param {CKEDITOR.editor} editor The editor instance which this button is
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* to be used by.
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* @param {Array} [output] The output array to which append the HTML relative
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* to this button.
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*/
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render: function( editor, output ) {
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this.getHolderElement = function() {
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var holder = this._.holder;
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if ( !holder ) {
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if ( this.isFramed ) {
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var iframe = this.document.getById( this.id + '_frame' ),
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parentDiv = iframe.getParent(),
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doc = iframe.getFrameDocument();
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// Make it scrollable on iOS. (#8308)
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CKEDITOR.env.iOS && parentDiv.setStyles( {
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'overflow': 'scroll',
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'-webkit-overflow-scrolling': 'touch'
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} );
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var onLoad = CKEDITOR.tools.addFunction( CKEDITOR.tools.bind( function( ev ) {
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this.isLoaded = true;
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if ( this.onLoad )
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this.onLoad();
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}, this ) );
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doc.write( frameDocTpl.output( CKEDITOR.tools.extend( {
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css: CKEDITOR.tools.buildStyleHtml( this.css ),
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onload: 'window.parent.CKEDITOR.tools.callFunction(' + onLoad + ');'
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}, data ) ) );
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var win = doc.getWindow();
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// Register the CKEDITOR global.
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win.$.CKEDITOR = CKEDITOR;
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// Arrow keys for scrolling is only preventable with 'keypress' event in Opera (#4534).
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doc.on( 'key' + ( CKEDITOR.env.opera ? 'press' : 'down' ), function( evt ) {
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var keystroke = evt.data.getKeystroke(),
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dir = this.document.getById( this.id ).getAttribute( 'dir' );
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// Delegate key processing to block.
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if ( this._.onKeyDown && this._.onKeyDown( keystroke ) === false ) {
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evt.data.preventDefault();
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return;
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}
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// ESC/ARROW-LEFT(ltr) OR ARROW-RIGHT(rtl)
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if ( keystroke == 27 || keystroke == ( dir == 'rtl' ? 39 : 37 ) ) {
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if ( this.onEscape && this.onEscape( keystroke ) === false )
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evt.data.preventDefault();
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}
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}, this );
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holder = doc.getBody();
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holder.unselectable();
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CKEDITOR.env.air && CKEDITOR.tools.callFunction( onLoad );
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} else
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holder = this.document.getById( this.id );
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this._.holder = holder;
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}
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return holder;
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};
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var data = {
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editorId: editor.id,
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id: this.id,
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langCode: editor.langCode,
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dir: editor.lang.dir,
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cls: this.className,
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frame: '',
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env: CKEDITOR.env.cssClass,
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'z-index': editor.config.baseFloatZIndex + 1
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};
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if ( this.isFramed ) {
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// With IE, the custom domain has to be taken care at first,
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// for other browers, the 'src' attribute should be left empty to
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// trigger iframe's 'load' event.
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var src =
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CKEDITOR.env.air ? 'javascript:void(0)' :
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CKEDITOR.env.ie ? 'javascript:void(function(){' + encodeURIComponent(
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'document.open();' +
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// In IE, the document domain must be set any time we call document.open().
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'(' + CKEDITOR.tools.fixDomain + ')();' +
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'document.close();'
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) + '}())' :
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'';
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data.frame = frameTpl.output( {
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id: this.id + '_frame',
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src: src
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} );
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}
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var html = panelTpl.output( data );
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if ( output )
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output.push( html );
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return html;
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},
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/**
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* @todo
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*/
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addBlock: function( name, block ) {
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block = this._.blocks[ name ] = block instanceof CKEDITOR.ui.panel.block ? block : new CKEDITOR.ui.panel.block( this.getHolderElement(), block );
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if ( !this._.currentBlock )
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this.showBlock( name );
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return block;
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},
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/**
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* @todo
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*/
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getBlock: function( name ) {
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return this._.blocks[ name ];
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},
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/**
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* @todo
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*/
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showBlock: function( name ) {
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var blocks = this._.blocks,
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block = blocks[ name ],
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current = this._.currentBlock;
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// ARIA role works better in IE on the body element, while on the iframe
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// for FF. (#8864)
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var holder = !this.forceIFrame || CKEDITOR.env.ie ? this._.holder : this.document.getById( this.id + '_frame' );
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if ( current )
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current.hide();
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this._.currentBlock = block;
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CKEDITOR.fire( 'ariaWidget', holder );
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// Reset the focus index, so it will always go into the first one.
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block._.focusIndex = -1;
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this._.onKeyDown = block.onKeyDown && CKEDITOR.tools.bind( block.onKeyDown, block );
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block.show();
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return block;
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},
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/**
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* @todo
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*/
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destroy: function() {
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this.element && this.element.remove();
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}
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};
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/**
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* @class
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*
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* @todo class and all methods
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*/
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CKEDITOR.ui.panel.block = CKEDITOR.tools.createClass( {
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/**
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* Creates a block class instances.
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*
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* @constructor
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* @todo
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*/
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$: function( blockHolder, blockDefinition ) {
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this.element = blockHolder.append( blockHolder.getDocument().createElement( 'div', {
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attributes: {
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'tabindex': -1,
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'class': 'cke_panel_block'
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},
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styles: {
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display: 'none'
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}
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} ) );
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// Copy all definition properties to this object.
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if ( blockDefinition )
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CKEDITOR.tools.extend( this, blockDefinition );
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// Set the a11y attributes of this element ...
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this.element.setAttributes( {
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'role': this.attributes.role || 'presentation',
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'aria-label': this.attributes[ 'aria-label' ],
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'title': this.attributes.title || this.attributes[ 'aria-label' ]
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} );
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this.keys = {};
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this._.focusIndex = -1;
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// Disable context menu for panels.
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this.element.disableContextMenu();
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},
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_: {
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/**
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* Mark the item specified by the index as current activated.
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*/
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markItem: function( index ) {
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if ( index == -1 )
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return;
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var links = this.element.getElementsByTag( 'a' );
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var item = links.getItem( this._.focusIndex = index );
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// Safari need focus on the iframe window first(#3389), but we need
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// lock the blur to avoid hiding the panel.
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if ( CKEDITOR.env.webkit || CKEDITOR.env.opera )
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item.getDocument().getWindow().focus();
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item.focus();
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this.onMark && this.onMark( item );
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}
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},
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proto: {
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show: function() {
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this.element.setStyle( 'display', '' );
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},
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hide: function() {
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if ( !this.onHide || this.onHide.call( this ) !== true )
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this.element.setStyle( 'display', 'none' );
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},
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onKeyDown: function( keystroke, noCycle ) {
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var keyAction = this.keys[ keystroke ];
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switch ( keyAction ) {
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// Move forward.
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case 'next':
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var index = this._.focusIndex,
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links = this.element.getElementsByTag( 'a' ),
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link;
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while ( ( link = links.getItem( ++index ) ) ) {
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// Move the focus only if the element is marked with
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// the _cke_focus and it it's visible (check if it has
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// width).
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if ( link.getAttribute( '_cke_focus' ) && link.$.offsetWidth ) {
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this._.focusIndex = index;
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link.focus();
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break;
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}
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}
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// If no link was found, cycle and restart from the top. (#11125)
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if ( !link && !noCycle ) {
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this._.focusIndex = -1;
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return this.onKeyDown( keystroke, 1 );
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}
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return false;
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// Move backward.
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case 'prev':
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index = this._.focusIndex;
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links = this.element.getElementsByTag( 'a' );
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while ( index > 0 && ( link = links.getItem( --index ) ) ) {
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// Move the focus only if the element is marked with
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// the _cke_focus and it it's visible (check if it has
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// width).
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if ( link.getAttribute( '_cke_focus' ) && link.$.offsetWidth ) {
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this._.focusIndex = index;
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link.focus();
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break;
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}
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// Make sure link is null when the loop ends and nothing was
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// found (#11125).
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link = null;
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}
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// If no link was found, cycle and restart from the bottom. (#11125)
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if ( !link && !noCycle ) {
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this._.focusIndex = links.count();
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return this.onKeyDown( keystroke, 1 );
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}
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return false;
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case 'click':
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case 'mouseup':
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index = this._.focusIndex;
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link = index >= 0 && this.element.getElementsByTag( 'a' ).getItem( index );
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if ( link )
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link.$[ keyAction ] ? link.$[ keyAction ]() : link.$[ 'on' + keyAction ]();
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return false;
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}
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return true;
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}
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}
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} );
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} )();
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/**
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* Fired when a panel is added to the document.
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*
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* @event ariaWidget
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* @member CKEDITOR
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* @param {Object} data The element wrapping the panel.
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*/
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