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egroupware_official/etemplate/js/et2_widget_image.js

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/**
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* 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;
/etemplate/js/expose.js;
*/
/**
* Class which implements the "image" XET-Tag
*
* @augments et2_baseWidget
*/
var et2_image = expose(et2_baseWidget.extend([et2_IDetachedDOM],
{
attributes: {
"src": {
"name": "Image",
"type": "string",
"description": "Displayed image"
},
default_src: {
name: "Default image",
type: "string",
description: "Image to use if src is not found"
},
"href": {
"name": "Link Target",
"type": "string",
"description": "Link URL, empty if you don't wan't to display a link.",
"default": et2_no_init
},
"extra_link_target": {
"name": "Link target",
"type": "string",
"default": "_self",
"description": "Link target descriptor"
},
"extra_link_popup": {
"name": "Popup",
"type": "string",
"description": "widthxheight, if popup should be used, eg. 640x480"
},
"imagemap":{
// TODO: Do something with this
"name": "Image map",
"description": "Currently not implemented"
},
"label": {
"name": "Label",
"type": "string",
"description": "Label for image"
},
"expose_view":{
name: "Expose view",
type: "boolean",
default: false,
description: "Clicking on an image with href value would popup an expose view, and will show image referenced by href."
}
},
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legacyOptions: ["href", "extra_link_target", "imagemap", "extra_link_popup", "id"],
/**
* Constructor
*
* @memberOf et2_image
*/
init: function() {
this._super.apply(this, arguments);
// Create the image or a/image tag
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this.image = $j(document.createElement("img"));
if (this.options.label)
{
this.image.attr("alt", this.options.label).attr("title", this.options.label);
}
if (this.options.href)
{
this.image.addClass('et2_clickable');
}
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if(this.options["class"])
{
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this.image.addClass(this.options["class"]);
}
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this.setDOMNode(this.image[0]);
},
click: function()
{
if(this.options.href)
{
this.egw().open_link(this.options.href, this.options.extra_link_target, this.options.extra_link_popup);
}
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else
{
this._super.apply(this,arguments);
}
},
transformAttributes: function(_attrs) {
this._super.apply(arguments);
// Check to expand name
if (typeof _attrs["src"] != "undefined")
{
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var manager = this.getArrayMgr("content");
if(manager) {
var src = manager.getEntry(_attrs["src"]);
if (typeof src != "undefined" && src !== null)
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{
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if(typeof src == "object")
{
src = egw().link('/index.php', src);
}
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_attrs["src"] = src;
}
}
}
},
set_label: function(_value) {
this.options.label = _value;
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_value = this.egw().lang(_value);
// label is NOT the alt attribute in eTemplate, but the title/tooltip
this.image.attr("alt", _value).attr("title", _value);
},
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setValue: function(_value) {
// Value is src, images don't get IDs
this.set_src(_value);
},
set_href: function (_value)
{
if (!this.isInTree())
{
return false;
}
this.options.href = _value;
this.image.wrapAll('<a href="'+_value+'"></a>"');
var href = this.options.href;
var popup = this.options.extra_link_popup;
var target = this.options.extra_link_target;
var self = this;
this.image.click(function(e)
{
if (self.options.expose_view)
{
self._init_blueimp_gallery(e,_value);
e.stopImmediatePropagation();
}
else
{
egw.open_link(href,target,popup);
}
e.preventDefault();
return false;
});
return true;
},
/**
* Set image src
*
* @param {string} _value image, app/image or url
* @return {boolean} true if image was found, false if not (image is either not displayed or default_src is used)
*/
set_src: function(_value) {
if(!this.isInTree())
{
return false;
}
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this.options.src = _value;
var src = this.egw().image(_value);
if (src)
{
this.image.attr("src", src).show();
return true;
}
// allow url's too
else if (_value[0] == '/' || _value.substr(0,4) == 'http')
{
this.image.attr('src', _value).show();
return true;
}
src = null;
if (this.options.default_src)
{
src = this.egw().image(this.options.default_src);
}
if (src)
{
this.image.attr("src", src).show();
}
else
{
this.image.css("display","none");
}
return false;
},
/**
* Function to get media content to feed the expose
* @param {type} _value
* @returns {Array|Array.getMedia.mediaContent}
*/
getMedia: function (_value)
{
var base_url = egw.webserverUrl.match(/^\//,'ig')?egw(window).window.location.origin + egw.webserverUrl + '/':egw.webserverUrl + '/';
var mediaContent = [];
if (_value)
{
mediaContent = [{
title: this.options.label,
href: base_url + _value,
type: this.options.type + "/*",
thumbnail: base_url + _value
}];
}
return mediaContent;
},
/**
* Implementation of "et2_IDetachedDOM" for fast viewing in gridview
*
* @param {array} _attrs
*/
getDetachedAttributes: function(_attrs) {
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_attrs.push("src", "label", "href");
},
getDetachedNodes: function() {
return [this.image[0]];
},
setDetachedAttributes: function(_nodes, _values) {
// Set the given DOM-Nodes
this.image = $j(_nodes[0]);
// Set the attributes
if (_values["src"])
{
this.set_src(_values["src"]);
}
if (_values["label"])
{
this.set_label(_values["label"]);
}
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if(_values["href"])
{
this.image.addClass('et2_clickable');
this.set_href(_values["href"]);
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}
}
}));
et2_register_widget(et2_image, ["image"]);
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/**
* Widget displaying an application icon
*/
var et2_appicon = et2_image.extend(
{
attributes: {
default_src: {
name: "Default image",
type: "string",
default: "nonav",
description: "Image to use if there is no application icon"
}
},
set_src: function(_app)
{
if (!_app) _app = this.egw().app_name();
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this.image.addClass('et2_appicon');
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this._super.call(this, _app == 'sitemgr-link' ? 'sitemgr/sitemgr-link' : // got removed from jdots
(this.egw().app(_app, 'icon_app') || _app)+'/'+(this.egw().app(_app, 'icon') || 'navbar'));
}
});
et2_register_widget(et2_appicon, ["appicon"]);