egroupware_official/etemplate/js/et2_widget_button.js
2011-09-14 20:36:39 +00:00

173 lines
3.2 KiB
JavaScript

/**
* eGroupWare eTemplate2 - JS Button object
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Andreas Stöckel
* @copyright Stylite 2011
* @version $Id$
*/
"use strict";
/*egw:uses
jquery.jquery;
et2_core_interfaces;
et2_core_baseWidget;
*/
/**
* Class which implements the "button" XET-Tag
*/
var et2_button = et2_baseWidget.extend([et2_IInput, et2_IDetachedDOM], {
attributes: {
"label": {
"name": "caption",
"type": "string",
"description": "Label of the button",
"translate": true
},
"image": {
"name": "Icon",
"type": "string",
"description": "Use an icon instead of label (when available)"
},
"onclick": {
"name": "onclick",
"type": "js",
"description": "JS code which gets executed when the button is clicked"
}
},
init: function() {
this._super.apply(this, arguments);
this.label = "";
this.clicked = false;
this.btn = null;
if (!this.options.readonly)
{
this.btn = $j(document.createElement("button"))
.addClass("et2_button");
this.setDOMNode(this.btn[0]);
}
},
set_image: function(_image) {
if(!this.isInTree()) return;
this.options.image = _image;
var found_image = false;
if(this.options.image != "")
{
if(!this.image)
{
this.image = et2_createWidget("image",{label: this.options.label});
}
found_image = this.image.set_src(this.options.image);
jQuery(this.image.getDOMNode()).appendTo(this.btn);
}
if(found_image)
{
// No label if there's an image
this.options.label = "";
}
},
getDOMNode: function() {
return this.btn ? this.btn[0] : null;
},
// TODO: What's going on here? It doesn't get called, but something happens if you double click.
click: function() {
// Execute the JS code connected to the event handler
if (this.options.onclick)
{
if (!this.options.onclick())
return false;
}
// Submit the form
if (this._type != "buttononly")
{
this.clicked = true;
this.getInstanceManager().submit();
this.clicked = false;
}
},
set_label: function(_value) {
if (this.btn)
{
this.label = _value;
this.btn.text(_value);
}
},
/**
* Implementation of the et2_IInput interface
*/
/**
* Always return false as a button is never dirty
*/
isDirty: function() {
return false;
},
resetDirty: function() {
},
getValue: function() {
if (this.clicked)
{
return true;
}
// If "null" is returned, the result is not added to the submitted
// array.
return null;
},
/**
* et2_IDetachedDOM
*/
getDetachedAttributes: function(_attrs)
{
_attrs.push("value", "class", "image");
},
getDetachedNodes: function()
{
return [this.getDOMNode(),this.image];
},
setDetachedAttributes: function(_nodes, _values)
{
this.btn = _nodes[0];
this.image = _nodes[1];
if (typeof _values["id"] != "undefined")
{
this.set_id(_values["id"]);
}
if (typeof _values["value"] != "undefined")
{
}
if (typeof _values["class"] != "undefined")
{
this.set_class(_values["class"]);
}
}
});
et2_register_widget(et2_button, ["button", "buttononly"]);