mirror of
https://github.com/EGroupware/egroupware.git
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147 lines
3.3 KiB
JavaScript
147 lines
3.3 KiB
JavaScript
/**
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* eGroupWare eTemplate2 - JS Template base class
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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_xml;
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et2_core_DOMWidget;
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*/
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/**
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* Class which implements the "template" XET-Tag. When the id parameter is set,
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* the template class checks whether another template with this id already
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* exists. If yes, this template is removed from the DOM tree, copied and
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* inserted in place of this template.
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*
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* TODO: Check whether this widget behaves as it should.
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*/
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var et2_template = et2_DOMWidget.extend({
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attributes: {
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"template": {
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},
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"group": {
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},
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"version": {
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"name": "Version",
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"type": "string",
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"description": "Version of the template"
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},
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"lang": {
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"name": "Language",
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"type": "string",
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"description": "Language the template is written in"
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}
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},
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createNamespace: true,
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/**
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* Initializes this template widget as a simple container.
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*/
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init: function() {
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this._super.apply(this, arguments);
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this.proxiedTemplate = null;
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this.isProxied = false;
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this.isProxy = false;
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this.div = document.createElement("div");
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if (this.id != "")
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{
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this.createProxy();
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}
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},
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createProxy: function() {
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// Check whether a template with the given name already exists and
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// is not a proxy.
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var tmpl = this.getRoot().getWidgetById(this.id);
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if (tmpl instanceof et2_template && tmpl.proxiedTemplate == null &&
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tmpl != this)
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{
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// Detatch the proxied template from the DOM to and set its
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// isProxied property to true
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tmpl.makeProxied();
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// Do not copy the id when cloning as this leads to infinit
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// recursion
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tmpl.options.id = "";
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// Create a clone of the template and add it as child of this
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// template (done by passing "this" to the clone function)
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this.proxiedTemplate = tmpl.clone(this);
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// Reset the "ignore" flag and manually copy the id
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tmpl.options.id = this.id;
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this.proxiedTemplate.id = tmpl.id;
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this.proxiedTemplate.isProxy = true;
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// Disallow adding any new node to this template
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this.supportedWidgetClasses = [];
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}
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},
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/**
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* If the parent node is changed, either the DOM-Node of the proxied template
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* or the DOM-Node of this template is connected to the parent DOM-Node.
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*/
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doLoadingFinished: function() {
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// Check whether the parent implements the et2_IDOMNode interface.
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if (this._parent && this._parent.implements(et2_IDOMNode)) {
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var parentNode = this._parent.getDOMNode(this);
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if (parentNode)
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{
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if (this.proxiedTemplate)
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{
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this.proxiedTemplate.setParentDOMNode(parentNode);
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this.proxiedTemplate.loadingFinished();
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return false;
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}
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else if (!this.isProxied && !this.isProxy)
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{
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this.setParentDOMNode(parentNode);
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}
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}
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}
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return true;
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},
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makeProxied: function() {
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if (!this.isProxied)
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{
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this.detatchFromDOM();
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this.div = null;
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this.parentNode = null;
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}
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this.isProxied = true;
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},
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getDOMNode: function() {
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return this.div;
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},
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isInTree: function(_sender) {
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return this._super(this, !this.isProxied);
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}
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});
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et2_register_widget(et2_template, ["template"]);
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