egroupware_official/etemplate/js/et2_widget_portlet.js

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/**
* EGroupware eTemplate2 - JS Portlet object - used by Home
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package home
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Nathan Gray
* @version $Id$
*/
"use strict";
/*egw:uses
jquery.jquery;
et2_core_baseWidget;
*/
/**
* Class which implements the UI of a Portlet
*
* This manages the frame and decoration, but also provides the UI for properties.
*
* Portlets are only internal to EGroupware.
*
* Home does not fully implement WSRP, but tries not to conflict, ether.
* @link http://docs.oasis-open.org/wsrp/v2/wsrp-2.0-spec-os-01.html
* @augments et2_baseWidget
*/
var et2_portlet = et2_valueWidget.extend(
{
attributes: {
"title": {
"name": "Title",
"description": "Goes in the little bit at the top with the icons",
"type": "string",
"default": ""
},
"edit_template": {
"name": "Edit template",
"description": "Custom eTemplate used to customize / set up the portlet",
"type": "string",
"default": window.egw_webserverUrl+"/home/templates/default/edit.xet"
},
"settings": {
"name": "Customization settings",
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"description": "Array of customization settings, similar in structure to preference settings",
"type": "any",
"default": et2_no_init
},
"width": { "default": 2, "ignore": true},
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"height": { "default": 1, "type": "integer"},
"rows": {"ignore": true},
"cols": {"ignore": true},
"row": { "default": 1},
"col": {"default": 1}
},
createNamespace: true,
GRID: 50,
/**
* These are the "normal" actions that every portlet is expected to have.
* The widget provides default actions for all of these, but they can
* be added to or overridden if needed by setting the action attribute.
*/
default_actions: {
edit_settings: {
icon: "edit",
caption: "Configure",
default: true,
hideOnDisabled: true,
group: "portlet"
},
remove_portlet: {
icon: "delete",
caption: "Remove",
group: "portlet"
}
},
/**
* Constructor
*
* @memberOf et2_portlet
*/
init: function()
{
this._super.apply(this, arguments);
var self = this;
// Create DOM nodes
this.div = $j(document.createElement("div"))
.addClass("ui-widget ui-widget-content ui-corner-all")
.addClass("et2_portlet")
/* Gridster */
.attr("data-sizex", this.options.width)
.attr("data-sizey", this.options.height)
.attr("data-row", this.options.row)
.attr("data-col", this.options.col)
.resizable( {
autoHide: true,
grid: this.GRID,
//containment: this.getParent().getDOMNode(),
stop: function(event, ui) {
self.set_width(Math.round(ui.size.width / self.GRID));
self.set_height(Math.round(ui.size.height / self.GRID));
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self.egw().jsonq("home.home_ui.ajax_set_properties",[self.id, self.options.settings,{
width: self.options.width,
height: self.options.height
}],
null,
self, true, self
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);
}
});
this.header = $j(document.createElement("div"))
.addClass("ui-widget-header ui-corner-all")
.appendTo(this.div)
.html(this.options.title);
this.content = $j(document.createElement("div"))
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.appendTo(this.div);
this.setDOMNode(this.div[0]);
},
destroy: function()
{
this._super.apply(this, arguments);
},
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/**
* If anyone asks, return the content node, so content goes inside
*/
getDOMNode: function(_sender) {
if(typeof _sender != 'undefined' && _sender != this)
{
return this.content[0];
}
return this._super.apply(this, arguments);
},
/**
* Overriden from parent to add in default actions
*/
set_actions: function(actions)
{
// Set targets for actions
var defaults = {};
for(var action_name in this.default_actions)
{
defaults[action_name] = this.default_actions[action_name];
if(typeof this[action_name] == "function")
{
defaults[action_name].onExecute = jQuery.proxy(this[action_name],this);
}
}
// Add in defaults, but let provided actions override them
this.options.actions = jQuery.extend(true,{},defaults,actions);
this._super.apply(this, [this.options.actions]);
},
/**
* Override _link_actions to remove edit action, if there is no settings
*/
_link_actions: function(parsed_actions)
{
// Get the top level element
var objectManager = egw_getAppObjectManager(true);
var widget_object = objectManager.getObjectById(this.id);
if (widget_object == null) {
// Add a new container to the object manager which will hold the widget
// objects
widget_object = objectManager.insertObject(false, new egwActionObject(
this.id, objectManager, new et2_action_object_impl(this),
objectManager.manager.getActionById(this.id) || objectManager.manager
));
}
// Delete all old objects
widget_object.clear();
// Go over the widget & add links - this is where we decide which actions are
// 'allowed' for this widget at this time
var action_links = [];
for(var i = 0; i < parsed_actions.length; i++)
{
var action = {
actionId: parsed_actions[i].id,
enabled: true
};
// If there are no settings, there can be no customization, so remove the edit action
if(parsed_actions[i].id == 'edit_settings' && (!this.options.settings || jQuery.isEmptyObject(this.options.settings)))
{
this.egw().debug("log", "No settings for portlet %o, edit_settings action removed", this);
action.enabled = false;
}
action_links.push(action);
}
widget_object.updateActionLinks(action_links);
},
/**
* Create & show a dialog for customizing this portlet
*
* Properties for customization are sent in the 'settings' attribute
*/
edit_settings: function(action, sender)
{
var dialog = et2_createWidget("dialog", {
callback: jQuery.proxy(this._process_edit, this),
template: this.options.edit_template,
value: {
content: this.options.settings
},
buttons: et2_dialog.BUTTONS_OK_CANCEL
},this);
// Set seperately to avoid translation
dialog.set_title(this.egw().lang("Edit") + " " + this.options.title);
},
_process_edit: function(button_id, value)
{
if(button_id != et2_dialog.OK_BUTTON) return;
// Save settings - server will reply with new content, if the portlet needs an update
this.div.addClass("loading");
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this.egw().jsonq("home.home_ui.ajax_set_properties",[this.id, this.options.settings || {}, value],
function(data) {
this.div.removeClass("loading");
this.set_value(data.content);
for(var key in data.attributes)
{
if(typeof this["set_"+key] == "function")
{
this["set_"+key].call(this, data.attributes[key]);
}
else if (this.attributes[key])
{
this.options[key] = data.attributes[key];
}
}
// Flagged as needing to edit settings? Open dialog
if(typeof data.edit_settings != 'undefined' && data.edit_settings)
{
this.edit_settings();
}
},
this, true, this
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);
// Extend, not replace, because settings has types while value has just value
jQuery.extend(this.options.settings, value);
},
/**
* Remove this portlet from the home page
*/
remove_portlet: function() {
var self = this;
et2_dialog.show_dialog(function(button_id) {
if(button_id != et2_dialog.OK_BUTTON) return;
self._process_edit(button_id, '~remove~');
self._parent.removeChild(self);
self.destroy();
},"Remove", this.options.title,{},
et2_dialog.BUTTONS_OK_CANCEL, et2_dialog.QUESTION_MESSAGE
);
},
/**
* Set the HTML content of the portlet
*
* @param value String HTML fragment
*/
set_value: function(value)
{
this.content.html(value);
},
/**
* Set the content of the header
*
* @param value String HTML fragment
*/
set_title: function(value)
{
this.options.title = value;
this.header.html(value);
},
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/**
* Let this portlet stand out a little by allowing a custom color
*/
set_color: function(color)
{
this.header.css("backgroundColor", color);
this.content.css("backgroundColor", color);
},
/**
* Set the number of grid cells this widget spans
*
* @param value int Number of horizontal grid cells
*/
set_width: function(value)
{
this.options.width = value;
this.div.attr("data-sizex", value);
},
/**
* Set the number of vertical grid cells this widget spans
*
* @param value int Number of vertical grid cells
*/
set_height: function(value)
{
this.options.height = value;
this.div.attr("data-sizey", value);
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// Explicitly set the height of the content, so it can properly scroll. Sometimes set_height()
// is called before everything is in the DOM though, so use a magic 18px in that case.
this.content.height(value * this.GRID - (this.header.outerHeight() > 0 ? this.header.outerHeight() : 18));
}
});
et2_register_widget(et2_portlet, ["portlet"]);