File: D:/HostingSpaces/PHerau/ha.health-science.be/wwwroot/Resources/Shared/scripts/widgets.js
/*
DotNetNuke - http://www.dotnetnuke.com
Copyright (c) 2002-2007
by DotNetNuke Corporation
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
''' -----------------------------------------------------------------------------
''' <summary>
''' This script renders all widgets defined on the page.
''' This script requires that init.js be called prior to calling it.
''' </summary>
''' <remarks>
''' </remarks>
''' <history>
''' Version 1.0.0: Oct. 16, 2007, Nik Kalyani, nik.kalyani@dotnetnuke.com
''' </history>
''' -----------------------------------------------------------------------------
*/
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// W I D G E T S //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// BEGIN: Namespace management
Type.registerNamespace("DotNetNuke.UI.WebControls.Widgets");
// END: Namespace management
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// B A S E W I D G E T //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// BEGIN: BaseWidget class //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
DotNetNuke.UI.WebControls.Widgets.BaseWidget = function(widget)
{
if (!widget)
return (null);
this._widget = widget;
this._dependencies = [];
this._readyCounter = 0;
}
DotNetNuke.UI.WebControls.Widgets.BaseWidget.prototype =
{
getWidget:
function()
{
return (this._widget);
},
getParams:
function()
{
return (this._widget.childNodes);
},
setDependency:
function(className, scriptPath, isResource)
{
// Only add the dependency if the class is not already available
if (typeof (eval(className)) === "undefined")
{
if (isResource)
$.getScript($dnn.baseResourcesUrl + scriptPath);
else
$.getScript(scriptPath);
this._dependencies.push(className);
}
},
onReady:
function(handler, errorHandler, attempts, interval)
{
this._handler = handler;
if (errorHandler)
this._errorHandler = errorHandler;
else
this._errorHandler = "alert('Error loading dependent classes:[ERRORCLASSES]')";
if ((attempts) && (attempts > 0))
this._attempts = attempts;
else
this._attempts = 100;
if ((interval) && (interval > 10))
this._interval = interval;
else
this._interval = 10;
this._checkIfReady(this);
},
elementHTML:
function(element)
{
if (element == null)
return ("");
var _emptyTags =
{
"IMG": true,
"BR": true,
"INPUT": true,
"META": true,
"LINK": true,
"PARAM": true,
"HR": true
};
var attrs = element.attributes;
var str = "<" + element.tagName;
for (var i = 0; i < attrs.length; i++)
str += " " + attrs[i].name + "=\"" + attrs[i].value + "\"";
if (_emptyTags[element.tagName])
return (str + "/>");
return (str + ">" + element.innerHTML + "</" + element.tagName + ">");
},
_checkIfReady:
function(self)
{
// Using "self" ensures that window.setTimeout can obtain the right context
self._readyCounter++;
if (self._readyCounter > self._attempts)
{
var errorClasses = "";
for (var d = 0; d < self._dependencies.length; d++)
{
if (self._dependencies[d] != "")
errorClasses += " " + self._dependencies[d];
}
eval(self._errorHandler.replace("[ERRORCLASSES]", errorClasses));
return;
}
var ready = true;
for (var d = 0; d < self._dependencies.length; d++)
{
if (self._dependencies[d] != "")
{
if (typeof (eval(self._dependencies[d])) === "undefined")
{
ready = false;
window.setTimeout(function() { self._checkIfReady(self); }, self._interval);
break;
}
else
self._dependencies[d] = "";
}
}
if (ready)
eval(self._handler);
},
render:
function(element)
{
element.id = this._widget.id;
this._widget.parentNode.replaceChild(element, this._widget);
}
}
DotNetNuke.UI.WebControls.Widgets.BaseWidget.inheritsFrom(Sys.Component);
DotNetNuke.UI.WebControls.Widgets.BaseWidget.registerClass("DotNetNuke.UI.WebControls.Widgets.BaseWidget", Sys.Component);
// END: BaseWidget class
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// STATIC METHODS //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// BEGIN: renderWidgets
// Detects all the widgets found on the page and loads scripts for each widget class
var $widgets = new Object();
$widgets.rendered = false;
$widgets.pageWidgets = new Array();
$widgets.pageWidgetDetectionAttempts = 0;
$widgets.pageWidgetRenderAttempts = new Array();
DotNetNuke.UI.WebControls.Widgets.renderWidgets = function()
{
if ($widgets.rendered) return;
$widgets.rendered = true;
var objects = document.getElementsByTagName("object");
if ((objects == null) || (objects.length == 0))
{
// Some browsers (like Opera) don't return the correct value for the number of objects
// Give the browser some time and try again a few times
if ($widgets.pageWidgetDetectionAttempts < 1000)
{
window.setTimeout(DotNetNuke.UI.WebControls.Widgets.renderWidgets, 5);
$widgets.pageWidgetDetectionAttempts++;
}
return;
}
var pageWidgetClasses = new Array();
// Get all the widget object IDs
// Need to store the IDs and then process because replacing
// objects changes the DOM making it impossible to loop
// through the objects.
for (var o = 0; o < objects.length; o++)
{
try
{
if (
(objects[o].codeType.toLowerCase() == "dotnetnuke/client") &&
(objects[o].id != "")
)
{
$widgets.pageWidgets.push(objects[o]);
var widgetType = objects[o].codeBase;
// Prevent loading widgets from anyplace other than user widgets folder
if (widgetType.indexOf("/") > 0)
widgetType = widgetType.substr(widgetType.lastIndexOf("/") + 1);
objects[o].codeBase = (widgetType.indexOf(".") < 0 ? "DotNetNuke.UI.WebControls.Widgets." + widgetType : widgetType);
if (typeof (pageWidgetClasses[widgetType]) === "undefined")
{
pageWidgetClasses[widgetType] = widgetType;
if (widgetType.indexOf(".") > -1)
{
var widgetFolder = widgetType.substr(0, widgetType.indexOf("."));
$.getScript($dnn.baseResourcesUrl + "Widgets/User/" + widgetFolder + "/" + widgetType + ".js");
}
else
$.getScript($dnn.baseResourcesUrl + "Widgets/DNN/" + widgetType + ".js");
}
}
}
catch (e)
{
}
}
delete pageWidgetClasses;
}
// END: renderWidgets
// BEGIN: renderWidgetType
DotNetNuke.UI.WebControls.Widgets.renderWidgetType = function(widgetType)
{
try
{
if (typeof (eval(widgetType)) === "function")
{
// Getting here means that the browser has finished loading and processing
// the script for className. Let's find all the widgets of this class and
// render them.
for (var w = 0; w < $widgets.pageWidgets.length; w++)
{
try
{
var currentWidgetInstance = $widgets.pageWidgets[w].codeBase;
if (currentWidgetInstance.indexOf("/") > 0)
currentWidgetInstance = currentWidgetInstance.substr(currentWidgetInstance.lastIndexOf("/") + 1);
if (currentWidgetInstance != widgetType)
continue;
var widget = eval("new " + widgetType + "($widgets.pageWidgets[w])");
widget.render();
}
catch (r)
{
}
}
}
}
catch (e)
{
}
}
// END: renderWidgets
$addHandler(window, "load", DotNetNuke.UI.WebControls.Widgets.renderWidgets);
$renderDNNWidgets();
// Backup method to render widgets in case our load handler was removed by something else
function $renderDNNWidgets()
{
if ($widgets.rendered) return;
window.setTimeout(DotNetNuke.UI.WebControls.Widgets.renderWidgets, 20);
}