340 lines
13 KiB
JavaScript
340 lines
13 KiB
JavaScript
define(['jquery'], function ($) {
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var CKEDITOR = window.CKEDITOR;
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var $iframe = $('iframe').contents().find('html');
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$('body').on('click', '.cke_dialog_container a.cke_specialchar', function (e) {
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e.preventDefault();
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var attr = $(e.currentTarget).attr('oonclick');
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if (!attr) { return; }
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var reg = /CKEDITOR.tools.callFunction\(([0-9]+), this\);/;
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var m = attr.match(reg);
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if (!m) { return; }
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var s = $iframe.scrollTop();
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CKEDITOR.tools.callFunction(Number(m[1]), e.currentTarget);
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$iframe.scrollTop(s);
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});
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// Buttons
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var $a = $('.cke_toolbox_main').find('.cke_button, .cke_combo_button');
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$a.each(function (i, el) {
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var $el = $(el);
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var $icon = $el.find('span.cke_button_icon');
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if ($icon.length) {
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try {
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var url = $icon[0].style['background-image'];
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var bgImg = url.replace(/ !important$/, '');
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if (bgImg) {
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$icon[0].style.setProperty('background-image', bgImg, 'important');
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}
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} catch (e) { console.error(e); }
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}
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$el.on('keydown blur focus click dragstart', function (e) {
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e.preventDefault();
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var attr = $(el).attr('oon'+e.type);
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if (!attr) { return; }
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if (['blur', 'dragstart'].indexOf(e.type) !== -1) { return false; }
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var reg = /CKEDITOR.tools.callFunction\(([0-9]+),(this|event)\);return false;/;
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var m = attr.match(reg);
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if (!m) { return; }
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var f = m[1];
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var arg = m[2] === "this" ? el : e.originalEvent;
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var s = $iframe.scrollTop();
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CKEDITOR.tools.callFunction(Number(f), arg);
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$iframe.scrollTop(s);
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});
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});
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// Dropdown menus
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var frameTpl = CKEDITOR.getTemplate('panel-frame');
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var panelTpl = CKEDITOR.getTemplate('panel');
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var frameDocTpl = CKEDITOR.addTemplate( 'panel-frame-inner-csp', '<!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"></body>' +
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'<\/html>' );
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CKEDITOR.ui.panel.prototype.render = function( editor, output ) {
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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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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. (https://dev.ckeditor.com/ticket/8308)
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if (CKEDITOR.env.iOS) {
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parentDiv.setStyles( {
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'overflow': 'scroll',
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'-webkit-overflow-scrolling': 'touch'
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} );
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}
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var onLoad = CKEDITOR.tools.addFunction( CKEDITOR.tools.bind( function() {
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this.isLoaded = true;
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if ( this.onLoad ) {
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this.onLoad();
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}
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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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}, data ) ) );
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var that = this;
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$(iframe.$).on('load', function () {
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that.isLoaded = true;
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if (that.onLoad) {
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that.onLoad();
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}
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}).contents().find('body').on('click dragstart mouseover mouseout', '.cke_button, a.cke_colormore, a.cke_colorbox, .cke_colorauto, .cke_combo_button, .cke_panel_listItem a, a.cke_menubutton', function (e) {
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e.preventDefault();
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if (e.type === 'dragstart') { return false; }
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var attr = $(e.currentTarget).attr('oon'+e.type);
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if (!attr) { return; }
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var reg = /CKEDITOR.tools.callFunction\(([0-9]+),'?([^'"]+)'?(,'([A-Za-z0-9 ]+)')?\);/;
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var match = attr.match(reg);
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if (!match) { return; }
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var f = match[1];
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var el = match[2] !== "null" ? match[2] : null;
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var s = $iframe.scrollTop();
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CKEDITOR.tools.callFunction(Number(f), el, match[4]);
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$iframe.scrollTop(s);
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});
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// Register the CKEDITOR global.
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var win = doc.getWindow();
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win.$.CKEDITOR = CKEDITOR;
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// Arrow keys for scrolling is only preventable with 'keypress' event in Opera (https://dev.ckeditor.com/ticket/4534).
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doc.on( 'keydown', 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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// Arrow left and right should use native behaviour inside input element
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if ( evt.data.getTarget().getName() === 'input' && ( keystroke === 37 || keystroke === 39 ) ) {
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return;
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}
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// Delegate key processing to block.
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if ( this._.onKeyDown && this._.onKeyDown( keystroke ) === false ) {
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if ( !( evt.data.getTarget().getName() === 'input' && keystroke === 32 ) ) {
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// Don't prevent space when is pressed on a input filed.
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evt.data.preventDefault();
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}
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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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}
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}, this );
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holder = doc.getBody();
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holder.unselectable();
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if (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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}
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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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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)' : // jshint ignore:line
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( CKEDITOR.env.ie && !CKEDITOR.env.edge ) ? 'javascript:void(function(){' + encodeURIComponent( // jshint ignore:line
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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 ) { output.push( html ); }
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return html;
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};
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// Mathjax
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if ( !( CKEDITOR.env.ie && CKEDITOR.env.version === 8 ) ) {
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CKEDITOR.plugins.mathjax.frameWrapper = function( iFrame, editor ) {
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var update = function () {}; // Placeholder
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var buffer, preview, value, newValue,
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doc = iFrame.getFrameDocument(),
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// Is MathJax loaded and ready to work.
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isInit = false,
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// Is MathJax parsing Tex.
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isRunning = false,
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// Function called when MathJax is loaded.
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loadedHandler = CKEDITOR.tools.addFunction( function() {
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preview = doc.getById( 'preview' );
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buffer = doc.getById( 'buffer' );
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isInit = true;
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if ( newValue ) { update(); }
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// Private! For test usage only.
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CKEDITOR.fire( 'mathJaxLoaded', iFrame );
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} ),
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// Function called when MathJax finish his job.
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updateDoneHandler = CKEDITOR.tools.addFunction( function() {
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CKEDITOR.plugins.mathjax.copyStyles( iFrame, preview );
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preview.setHtml( buffer.getHtml() );
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editor.fire( 'lockSnapshot' );
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iFrame.setStyles( {
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height: 0,
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width: 0
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} );
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// Set iFrame dimensions.
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var height = Math.max( doc.$.body.offsetHeight, doc.$.documentElement.offsetHeight ),
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width = Math.max( preview.$.offsetWidth, doc.$.body.scrollWidth );
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iFrame.setStyles( {
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height: height + 'px',
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width: width + 'px'
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} );
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editor.fire( 'unlockSnapshot' );
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// Private! For test usage only.
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CKEDITOR.fire( 'mathJaxUpdateDone', iFrame );
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// If value changed in the meantime update it again.
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if ( value !== newValue ) {
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update();
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} else {
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isRunning = false;
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}
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} );
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// Run MathJax parsing Tex.
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update = function () {
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isRunning = true;
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value = newValue;
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editor.fire( 'lockSnapshot' );
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buffer.setHtml( value );
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// Set loading indicator.
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preview.setHtml( '<img src=' + CKEDITOR.plugins.mathjax.loadingIcon + ' alt=' + editor.lang.mathjax.loading + '>' );
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iFrame.setStyles( {
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height: '16px',
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width: '16px',
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display: 'inline',
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'vertical-align': 'middle'
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} );
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editor.fire( 'unlockSnapshot' );
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// Run MathJax.
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doc.getWindow().$.update( value );
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};
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var load = function () {
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doc = iFrame.getFrameDocument();
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if ( doc.getById( 'preview' ) ) { return; }
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// Because of IE9 bug in a src attribute can not be javascript
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// when you undo (https://dev.ckeditor.com/ticket/10930). If you have iFrame with javascript in src
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// and call insertBefore on such element then IE9 will see crash.
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if ( CKEDITOR.env.ie ) { iFrame.removeAttribute( 'src' ); }
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doc.write( '<!DOCTYPE html>' +
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'<html>' +
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'<head>' +
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'<meta charset="utf-8">' +
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// Load MathJax lib.
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'<script src="' + ( editor.config.mathJaxLib ) + '"></script>' +
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'</head>' +
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'<body style="padding:0;margin:0;background:transparent;overflow:hidden">' +
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'<span id="preview"></span>' +
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// Render everything here and after that copy it to the preview.
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'<span id="buffer" style="display:none"></span>' +
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'</body>' +
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'</html>' );
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iFrame.$.contentWindow.mathjax_loaded = loadedHandler;
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iFrame.$.contentWindow.mathjax_done = updateDoneHandler;
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};
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iFrame.on( 'load', load );
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load();
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return {
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/**
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* Sets the TeX value to be displayed in the `iframe` element inside
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* the editor. This function will activate the MathJax
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* library which interprets TeX expressions and converts them into
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* their representation that is displayed in the editor.
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*
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* @param {String} value TeX string.
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*/
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setValue: function( value ) {
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newValue = CKEDITOR.tools.htmlEncode( value );
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if ( isInit && !isRunning ) {
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update();
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}
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}
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};
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};
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}
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});
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