mirror of
https://github.com/EGroupware/egroupware.git
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cb94adb995
First / selected tab is loaded in line with normal code execution. Not visible tabs are loaded after using window.setTimeout(). jQuery.Deferred makes sure the template doesn't fire the load event until they're all done.
397 lines
9.1 KiB
JavaScript
397 lines
9.1 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS Tabs object
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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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jsapi.egw;
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jquery.jquery;
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et2_core_widget;
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*/
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/**
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* Class which implements the tabbox-tag
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*
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* @augments et2_DOMWidget
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*/
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var et2_tabbox = et2_valueWidget.extend([et2_IInput],
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{
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attributes: {
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'tabs': {
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'name': 'Tabs',
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'default': et2_no_init,
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'description': "Array of [extra] tabs. Each tab needs {label:..., template:...}. Additional optional keys are hidden and id, for access into content array"
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},
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'add_tabs': {
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'name': 'Add tabs',
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'default': false,
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'description': 'Set to true if tabs should be added to tabs from read from template, default false if not'
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}
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},
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/**
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* Currently selected tab
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*/
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selected_index: 0,
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/**
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* Construtor
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*
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* @memberOf et2_tabbox
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*/
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init: function() {
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// Create the outer tabbox container
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this.container = $j(document.createElement("div"))
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.addClass("et2_tabbox");
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// Create the upper container for the tab flags
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this.flagContainer = $j(document.createElement("div"))
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.addClass("et2_tabheader")
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.appendTo(this.container);
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// Create the lower tab container
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this.tabContainer = $j(document.createElement("div"))
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.addClass("et2_tabs")
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.appendTo(this.container);
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this._super.apply(this, arguments);
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this.tabData = [];
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},
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destroy: function() {
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this._super.apply(this, arguments);
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this.container = null;
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this.flagContainer = null;
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this.tabData = [];
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},
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_readTabs: function(tabData, tabs) {
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var selected = "";
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this.selected_index = 0;
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var hidden = {};
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if (this.id)
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{
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// Set the value for this element
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var contentMgr = this.getArrayMgr("content");
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if (contentMgr != null) {
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var val = contentMgr.getEntry(this.id);
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if (val !== null)
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{
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selected = val;
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}
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}
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contentMgr = this.getArrayMgr("readonlys");
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if (contentMgr != null) {
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var val = contentMgr.getEntry(this.id);
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if (val !== null && typeof val !== 'undefined')
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{
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hidden = val;
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}
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}
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}
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var i = 0;
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et2_filteredNodeIterator(tabs, function(node, nodeName) {
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if (nodeName == "tab")
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{
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var index_name = et2_readAttrWithDefault(node, "id");
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var hide = false;
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if(index_name) {
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if(selected == index_name) this.selected_index = i;
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if(hidden[index_name]) {
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hide = true;
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}
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}
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tabData.push({
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"id": index_name,
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"label": this.egw().lang(et2_readAttrWithDefault(node, "label", "Tab")),
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"widget": null,
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"widget_options": {},
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"contentDiv": null,
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"flagDiv": null,
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"hidden": hide,
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"XMLNode": null,
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"promise": null
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});
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}
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else
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{
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throw("Error while parsing: Invalid tag '" + nodeName +
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"' in tabs tag");
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}
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i++;
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}, this);
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},
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_readTabPanels: function(tabData, tabpanels) {
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var i = 0;
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et2_filteredNodeIterator(tabpanels, function(node, nodeName) {
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if (i < tabData.length)
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{
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// Store node for later evaluation
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tabData[i].XMLNode = node;
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}
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else
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{
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throw("Error while reading tabpanels tag, too many widgets!");
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}
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i++;
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}, this);
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},
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loadFromXML: function(_node) {
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// Get the tabs and tabpanels tags
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var tabsElems = et2_directChildrenByTagName(_node, "tabs");
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var tabpanelsElems = et2_directChildrenByTagName(_node, "tabpanels");
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var tabData = [];
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// Check for a parent height, we'll apply it to tab panels
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var height = et2_readAttrWithDefault(_node.parentNode, "height",null);
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if(height)
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{
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this.tabContainer.css("height", height);
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}
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// if no tabs set or they should be added to tabs from xml
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if (!this.options.tabs || this.options.add_tabs)
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{
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if (tabsElems.length == 1 && tabpanelsElems.length == 1)
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{
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var tabs = tabsElems[0];
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var tabpanels = tabpanelsElems[0];
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// Parse the "tabs" tag
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this._readTabs(tabData, tabs);
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// Read and create the widgets defined in the "tabpanels"
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this._readTabPanels(tabData, tabpanels);
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}
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else
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{
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this.egw().debug("error","Error while parsing tabbox, none or multiple tabs or tabpanels tags!",this);
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}
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}
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if (this.options.tabs)
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{
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var readonly = this.getArrayMgr("readonlys").getEntry(this.id) || {};
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for(var i = 0; i < this.options.tabs.length; i++)
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{
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var tab = this.options.tabs[i];
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var tab_id = tab.id || tab.template;
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var tab_options = {id: tab_id, template:tab.template};
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if(tab.id)
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{
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tab_options.content = tab.id;
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}
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tabData.push({
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"id": tab.id,
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"label": this.egw().lang(tab.label),
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"widget": null,
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"widget_options": tab_options,
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"contentDiv": null,
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"flagDiv": null,
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"hidden": typeof tab.hidden != "undefined" ? tab.hidden : readonly[tab_id] || false,
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"XMLNode": null,
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"promise": null
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});
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}
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}
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// Create the tab DOM-Nodes
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this.createTabs(tabData);
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},
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/**
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* Load is finished, set up tabs to load on their own
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*/
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doLoadingFinished: function()
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{
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var tab_deferred = jQuery.Deferred();
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var promises = [];
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var tabs = this;
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// Specially process the selected index so it shows up right away
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this._loadTab(this.selected_index,promises);
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// We can do this and not wind up with 2 because child is a template,
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// which has special handling
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this._children[0].loadingFinished();
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// Apply parent now, which actually puts into the DOM
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this._super.apply(this, arguments);
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// Defer parsing & loading of other tabs until later
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window.setTimeout(function() {
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for (var i = 0; i < tabs.tabData.length; i++)
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{
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tabs._loadTab(i,promises);
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}
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jQuery.when(promises).then(function() {
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tab_deferred.resolve();
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});
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},0);
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return tab_deferred.promise();
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},
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/**
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* Load & render a tab's content
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*/
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_loadTab: function(index,promises) {
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var tabData = this.tabData[index];
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if(!tabData || tabData.loaded) return;
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if(tabData.XMLNode != null)
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{
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tabData.widget = this.createElementFromNode(tabData.XMLNode,tabData.XMLNode.nodeName.toLowerCase());
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// Release the XML node
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tabData.XMLNode = null;
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}
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else if (tabData.widget_options)
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{
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tabData.widget = et2_createWidget('template',tabData.widget_options,this);
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}
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// Set loaded flag to not do this again, even if not fully done
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tabData.loaded = true;
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// loadingFinished() will be called either when the promise from doLoadingFinished is resolved,
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// or during the normal execution
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},
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/**
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* Check for custom tabs
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*/
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transformAttributes: function(_attrs) {
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this._super.apply(this, arguments);
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// Add in settings that are objects
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var data = this.getArrayMgr("modifications").getEntry(this.id);
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for(var key in data)
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{
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if(typeof data[key] === 'object' && ! _attrs[key]) _attrs[key] = data[key];
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}
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},
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createTabs: function(tabData) {
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this.tabData = tabData;
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this.tabContainer.empty();
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this.flagContainer.empty();
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for (var i = 0; i < this.tabData.length; i++)
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{
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var entry = this.tabData[i];
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entry.flagDiv = $j(document.createElement("span"))
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.addClass("et2_tabflag")
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.appendTo(this.flagContainer);
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entry.flagDiv.text(entry.label || "Tab");
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if(entry.hidden)
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{
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entry.flagDiv.hide();
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}
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else
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{
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entry.flagDiv.click({"tabs": this, "idx": i}, function(e) {
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e.data.tabs.setActiveTab(e.data.idx);
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});
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}
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entry.contentDiv = $j(document.createElement("div"))
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.addClass("et2_tabcntr")
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.appendTo(this.tabContainer);
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}
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// Check for a passed in value
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if(this.options.value)
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{
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this.selected_index = 0;
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for(var i = 0; i < this.tabData.length; i++)
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{
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if(this.tabData[i].id == this.options.value)
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{
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this.selected_index = i;
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break;
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}
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}
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}
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this.setActiveTab(this.selected_index);
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},
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setActiveTab: function(_idx) {
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this.selected_index = _idx;
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// Remove the "active" flag from all tabs-flags
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$j(".et2_tabflag", this.flagContainer).removeClass("active");
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// Hide all tab containers
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this.tabContainer.children().hide();
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// Set the tab flag with the given index active and show the corresponding
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// container
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this.flagContainer.children(":eq(" + _idx + ")").addClass("active");
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this.tabContainer.children(":eq(" + _idx + ")").show();
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},
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getDOMNode: function(_sender) {
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if (_sender == this)
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{
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return this.container[0];
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}
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else
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{
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for (var i = 0; i < this.tabData.length; i++)
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{
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if (this.tabData[i].widget == _sender)
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{
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return this.tabData[i].contentDiv[0];
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}
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}
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return null;
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}
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},
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set_height: function(_value) {
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this.height = _value;
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this.tabContainer.css("height", _value);
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},
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/**
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* getValue has to return the value of the input widget
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*/
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getValue: function() {
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return this.tabData[this.selected_index].id;
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},
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/**
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* Is dirty returns true if the value of the widget has changed since it
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* was loaded.
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*/
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isDirty: function() {
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return this.selected_index != this.value;
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},
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/**
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* Causes the dirty flag to be reseted.
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*/
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resetDirty: function()
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{
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this.value = this.selected_index;
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},
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isValid: function(messages) {
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return true;
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}
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});
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et2_register_widget(et2_tabbox, ["tabbox"]);
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