mirror of
https://github.com/EGroupware/egroupware.git
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295 lines
7.3 KiB
JavaScript
295 lines
7.3 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS widget for HTML editing
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @copyright Nathan Gray 2012
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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jsapi.jsapi; // Needed for egw_seperateJavaScript
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jquery.jquery;
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/phpgwapi/js/ckeditor/ckeditor.js;
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/phpgwapi/js/ckeditor/config.js;
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/phpgwapi/js/ckeditor/adapters/jquery.js;
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et2_core_baseWidget;
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*/
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/**
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* @augments et2_inputWidget
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*/
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var et2_htmlarea = et2_inputWidget.extend([et2_IResizeable],
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{
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modes: ['ascii','simple','extended','advanced'],
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attributes: {
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'mode': {
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'name': 'Mode',
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'description': 'One of {ascii|simple|extended|advanced}',
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'default': 'simple',
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'type': 'string'
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},
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'height': {
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'name': 'Height',
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'default': et2_no_init,
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'type': 'string'
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},
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'width': {
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'name': 'Width',
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'default': et2_no_init,
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'type': 'string'
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},
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'expand_toolbar': {
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'name': 'Expand Toolbar',
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'default': true,
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'type':'boolean',
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'description': 'Have the toolbar expanded (visible)'
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},
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'base_href': {
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'name': 'Image base path',
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'default': et2_no_init,
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'type': 'string',
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'description': 'activates the browser for images at the path (relative to the docroot)'
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},
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'config': {
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// internal default configuration
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'name': 'Internal configuration',
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'type':'any',
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'default': et2_no_init,
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'description': 'Internal configuration - managed by preferences & framework, passed in here',
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'translate': 'no_lang'
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},
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value: {
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name: "Value",
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description: "The value of the widget",
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type: "html", // "string" would remove html tags by running html_entity_decode
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default: et2_no_init
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},
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imageDataUrl: {
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name: "imageDataUrl",
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description: "Allow images dragged in as data-url, default false = handle them as fileupload",
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type: "boolean",
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default: false
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}
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},
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legacyOptions: ['mode','height','width','expand_toolbar','base_href'],
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/**
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* Constructor
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*
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* @param _parent
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* @param _attrs
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* @memberOf et2_htmlarea
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*/
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init: function(_parent, _attrs) {
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// _super.apply is responsible for the actual setting of the params (some magic)
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this._super.apply(this, arguments);
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// CK instance
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this.ckeditor = null;
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// Allow no child widgets
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this.supportedWidgetClasses = [];
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this.htmlNode = $j(document.createElement("textarea"))
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.css('height', this.options.height)
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.addClass('et2_textbox_ro');
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this.setDOMNode(this.htmlNode[0]);
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},
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transformAttributes: function(_attrs) {
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// Check mode, some apps jammed everything in there
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if(_attrs['mode'] && jQuery.inArray(_attrs['mode'], this.modes) < 0)
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{
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this.egw().debug("warn", "'%s' is an invalid mode for htmlarea '%s'. Valid options:", _attrs['mode'],_attrs['id'], this.modes);
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var list = _attrs['mode'].split(',');
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for(var i = 0; i < list.length && i < this.legacyOptions.length; i++)
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{
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_attrs[this.legacyOptions[i]] = list[i];
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}
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}
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this._super.apply(this, arguments);
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},
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doLoadingFinished: function() {
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this._super.apply(this, arguments);
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if(this.mode == 'ascii' || this.ckeditor != null) return;
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var self = this;
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try
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{
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this.ckeditor = CKEDITOR.replace(this.dom_id,jQuery.extend({},this.options.config,this.options));
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this.ckeditor.setData(self.value);
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delete self.value;
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}
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catch (e)
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{
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if(CKEDITOR.instances[this.dom_id])
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{
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CKEDITOR.instances[this.dom_id].destroy();
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}
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if(this.htmlNode.ckeditor)
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{
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this.ckeditor = CKEDITOR.replace(this.dom_id,this.options.config);
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this.ckeditor.setData(self.value);
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delete self.value;
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}
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}
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if(this.ckeditor && this.options.config.preference_style)
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{
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var editor = this.ckeditor;
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this.ckeditor.on('instanceReady', function(e) {
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// Add in user font preferences
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if (self.options.config.preference_style && !e.editor.getData())
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{
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e.editor.document.getBody().setHtml(self.options.config.preference_style);
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delete self.options.config.preference_style;
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}
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});
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// Drag & drop of images inline won't work, because of database
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// field sizes. For some reason FF ignored just changing the cursor
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// when dragging, so we replace dropped images with error icon.
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var replaceImgText = function(html) {
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var ret = html.replace( /<img[^>]*src="(data:.*;base64,.*?)"[^>]*>/gi, function( img, src ){
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return '';
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});
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return ret;
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};
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var chkImg = function(e) {
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// don't execute code if the editor is readOnly
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if (editor.readOnly)
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return;
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// allow data-URL, returning false to stop regular upload
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if (self.options.imageDataUrl)
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{
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return false;
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}
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// Remove the image from the text
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setTimeout( function() {
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editor.document.$.body.innerHTML = replaceImgText(editor.document.$.body.innerHTML);
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},200);
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// Try to pass the image into the first et2_file that will accept it
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if(e.data.$.dataTransfer)
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{
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self.getRoot().iterateOver(function(widget) {
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if(widget.options.drop_target)
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{
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widget.set_value(e.data.$.dataTransfer.files,e.data.$);
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return;
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}
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},e.data.$,et2_file);
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}
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};
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editor.on( 'contentDom', function() {
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// For Firefox
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editor.document.on('drop', chkImg);
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// For IE
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editor.document.getBody().on('drop', chkImg);
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});
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}
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},
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destroy: function() {
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try
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{
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//this.htmlNode.ckeditorGet().destroy(true);
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if (this.ckeditor) this.ckeditor.destroy(true);
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this.ckeditor = null;
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}
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catch (e)
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{
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this.egw().debug("warn","Removing CKEDITOR: " + e.message, this,e);
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// Finish it
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delete CKEDITOR.instances[this.dom_id];
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}
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this.htmlNode.remove();
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this.htmlNode = null;
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this._super.apply(this, arguments);
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},
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set_value: function(_value) {
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this._oldValue = _value;
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try {
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//this.htmlNode.ckeditorGet().setData(_value);
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var ckeditor = CKEDITOR.instances[this.dom_id];
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if (ckeditor)
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{
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ckeditor.setData(_value);
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}
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else
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{
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this.htmlNode.val(_value);
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this.value = _value;
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}
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} catch (e) {
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// CK editor not ready - callback will do it
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this.value = _value;
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}
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},
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getValue: function() {
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try
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{
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//return this.htmlNode.ckeditorGet().getData();
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var ckeditor = CKEDITOR.instances[this.dom_id];
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return ckeditor ? ckeditor.getData() : this.htmlNode.val();
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}
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catch (e)
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{
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// CK Error
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this.egw().debug("error",e);
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return null;
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}
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},
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/**
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* Resize htmlNode tag according to window size
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* @param {type} _height excess height which comes from window resize
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*/
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resize: function (_height)
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{
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if (_height)
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{
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// apply the ratio
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_height = (this.options.resize_ratio != '')? _height * this.options.resize_ratio: _height;
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if (_height != 0)
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{
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if (this.ckeditor) // CKEDITOR HTML
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{
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var h = 0;
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if (typeof this.ckeditor.container.$ != 'undefined' && this.ckeditor.container.$.clientHeight > 0)
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{ h = (this.ckeditor.container.$.clientHeight + _height) > 0 ?
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this.ckeditor.container.$.clientHeight + _height: this.ckeditor.config.height;
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}
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else
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{
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h = parseInt(this.ckeditor.ui.space('contents').getStyle('height')) + _height;
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}
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this.ckeditor.resize(0,h);
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}
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else // No CKEDITOR
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{
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this.htmlNode.height(this.htmlNode.height() + _height);
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}
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}
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}
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}
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});
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et2_register_widget(et2_htmlarea, ["htmlarea"]);
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