egroupware/etemplate/js/et2_widget_image.js

156 lines
3.0 KiB
JavaScript

/**
* eGroupWare eTemplate2 - JS Description 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_core_interfaces;
et2_core_baseWidget;
*/
/**
* Class which implements the "image" XET-Tag
*/
var et2_image = et2_baseWidget.extend(/*et2_IDetachedDOM,*/ {
attributes: {
"src": {
"name": "Image",
"type": "string",
"description": "Displayed image"
},
"link": {
},
"link_target":{
},
"imagemap":{
},
"link_size":{
}
},
legacyOptions: ["link", "link_target", "imagemap", "link_size"],
init: function() {
this._super.apply(this, arguments);
// Create the image or a/image tag
var node = this.image = $j(document.createElement("img"));
if(this.options.link)
{
this._node = $j(document.createElement("a"));
this.image.appendTo(node);
}
if(this.options["class"])
{
node.addClass(this.options["class"]);
}
this.setDOMNode(node[0]);
},
transformAttributes: function(_attrs) {
this._super.apply(arguments);
// Check to expand name
if (typeof _attrs["src"] != "undefined")
{
var src = this.getArrayMgr("content").getEntry(_attrs["src"]);
if (src)
{
_attrs["src"] = src;
}
}
},
set_label: function(_value) {
if(_value == this.options.label) return;
this.options.label = _value;
// label is NOT the alt attribute in eTemplate, but the title/tooltip
this.image.attr("alt", _value);
this.set_statustext(_value);
},
setValue: function(_value) {
// Value is src, images don't get IDs
this.set_src(_value);
},
percentagePreg: /^[0-9]+%$/,
set_src: function(_value) {
if(!this.isInTree())
{
return;
}
this.options.src = _value;
// Check whether "src" is a percentage
if (this.percentagePreg.test(_value))
{
this.getSurroundings().prependDOMNode(document.createTextNode(_value));
}
else
{
// Get application to use from template ID
var src = egw.image(_value, this.getTemplateApp());
if(src)
{
this.image.attr("src", src).show();
}
else
{
this.image.css("display","none");
}
}
},
/**
* Implementation of "et2_IDetachedDOM" for fast viewing in gridview
*/
// Does currently not work for percentages, as the surroundings manager
// cannot opperate on other DOM-Nodes.
/* getDetachedAttributes: function(_attrs) {
_attrs.push("src", "label");
},
getDetachedNodes: function() {
return [this.node, this.image[0]];
},
setDetachedAttributes: function(_nodes, _values) {
// Set the given DOM-Nodes
this.node = _nodes[0];
this.image = $j(_nodes[1]);
this.transformAttributes(_values);
// Set the attributes
if (_values["src"])
{
this.set_src(_values["src"]);
}
if (_values["label"])
{
this.set_label(_values["label"]);
}
}*/
});
et2_register_widget(et2_image, ["image"]);