egroupware_official/etemplate/js/et2_selectbox.js
2011-08-17 21:32:38 +00:00

154 lines
3.5 KiB
JavaScript

/**
* eGroupWare eTemplate2 - JS Selectbox object
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Nathan Gray
* @copyright Nathan Gray 2011
* @version $Id$
*/
"use strict";
/*egw:uses
jquery.jquery;
et2_inputWidget;
*/
/**
* Class which implements the "menulist" XET-Tag
*/
var et2_selectbox = et2_inputWidget.extend({
attributes: {
"multiselect": {
"name": "multiselect",
"type": "boolean",
"default": false,
"description": "Allow selecting multiple options"
},
"rows": {
"name": "Rows",
"type": "any", // Old options put either rows or empty_label in first space
"default": 1,
"description": "Number of rows to display"
},
"empty_label": {
"name": "Empty label",
"type": "string",
"default": "",
"description": "Textual label for first row, eg: 'All' or 'None'. ID will be ''"
}
},
legacyOptions: ["rows"],
init: function(_parent) {
this._super.apply(this, arguments);
this.input = null;
this.id = "";
this.createInputWidget();
},
/**
* Override load to be able to handle menupopup tag inside of menulist
*/
loadFromXML: function(_node) {
var menupopupElems = et2_directChildrenByTagName(_node, "menupopup");
if(menupopupElems.length == 1) {
this.loadAttributes(menupopupElems[0].attributes);
} else {
this._super.apply(this,arguments);
}
// Legacy options could have row count or empty label in first slot
if(typeof this.rows == "string" && isNaN(this.rows)) {
this.set_empty_label(this.rows);
this.set_rows(1);
}
if(this.rows > 1) this.set_multiselect(true);
},
createInputWidget: function() {
if(this.type == "menupopup") {
return;
} else {
this.input = $j(document.createElement("select"));
this.input.addClass("et2_selectbox");
}
this.setDOMNode(this.input[0]);
},
/**
* Override parent to get the select options.
* Can't get them before this, because the ID is not set when createInputWidget() is called.
*/
set_id: function() {
this._super.apply(this,arguments);
// Get select options from the manager(s)
var options = null;
// Check the sel_options (from managers)
this.set_select_options(null);
},
set_select_options: function(_options) {
if(_options == null) {
var mgr = this.getArrayMgr('sel_options');
if(mgr) {
_options = mgr.getValueForID(this.id);
}
if(_options == null) {
// Check in the content
var mgr = this.getArrayMgr('content');
if(mgr) {
_options = mgr.getValueForID('options-'+this.id);
}
}
}
this.input.children().remove();
if(this.empty_label) {
this.input.append("<option value=''" + ("" == this.getValue() ? "selected":"") +">"+this.empty_label+"</option>");
}
if(_options == null) return;
for(var key in _options) {
this.input.append("<option value='"+key+"'" + (key == this.getValue() ? "selected":"") +">"+_options[key]+"</option>");
}
},
set_multiselect: function(_value) {
if (_value != this.multiselect)
{
this.multiselect = _value;
if(this.multiselect) {
this.input.attr("multiple","multiple");
} else {
this.input.removeAttr("multiple");
}
}
},
set_rows: function(_rows) {
if (_rows != this.rows)
{
this.rows = _rows;
this.input.attr("size",this.rows);
}
},
set_empty_label: function(_label) {
if(_label != this.empty_label) {
this.empty_label = _label;
this.set_select_options(null);
}
}
});
et2_register_widget(et2_selectbox, ["menulist","listbox"]);