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96 lines
2.0 KiB
JavaScript
96 lines
2.0 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS widget class containing styles
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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 Andreas Stöckel
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* @copyright Stylite 2011
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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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et2_core_widget;
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*/
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/**
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* Function which appends the encapsulated style data to the head tag of the
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* page.
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*
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* TODO: The style data could be parsed for rules and appended using the JS
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* stylesheet interface, allowing the style only to modifiy nodes of the current
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* template.
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*
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* @augments et2_widget
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*/
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var et2_styles = et2_widget.extend(
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{
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/**
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* Constructor
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*
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* @memberOf et2_styles
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*/
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init: function() {
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this._super.apply(this, arguments);
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// Allow no child widgets
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this.supportedWidgetClasses = [];
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// Create the style node and append it to the head node
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this.styleNode = document.createElement("style");
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this.styleNode.setAttribute("type", "text/css");
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this.head = this.egw().window.document.getElementsByTagName("head")[0];
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this.head.appendChild(this.styleNode);
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},
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destroy: function() {
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// Remove the style node again and delete any reference to it
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this.head.removeChild(this.styleNode);
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this._super.apply(this, arguments);
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},
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loadContent: function(_content) {
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if (this.styleNode.styleSheet)
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{
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// IE
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this.styleNode.styleSheet.cssText += _content;
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}
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else
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{
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this.styleNode.appendChild(document.createTextNode(_content));
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}
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},
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/**
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* Sets the id of the DOM-Node.
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*
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* DOM id's have dots "." replaced with dashes "-"
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*
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* @param {string} _value id to set
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*/
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set_id: function(_value) {
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this.id = _value;
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this.dom_id = _value ? this.getInstanceManager().uniqueId+'_'+_value.replace(/\./g, '-') : _value;
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if (this.styleNode)
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{
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if (_value != "")
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{
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this.styleNode.setAttribute("id", this.dom_id);
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}
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else
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{
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this.styleNode.removeAttribute("id");
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}
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}
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}
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});
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et2_register_widget(et2_styles, ["styles"]);
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