// (c) Copyright Microsoft Corporation.
// This source is subject to the Microsoft Permissive License.
// See http://www.microsoft.com/resources/sharedsource/licensingbasics/sharedsourcelicenses.mspx.
// All other rights reserved.


AjaxControlToolkit.FloatingBehavior = function(element) {
AjaxControlToolkit.FloatingBehavior.initializeBase(this,[element]);

var _handle;
var _location;
var _dragStartLocation;
var _profileProperty;
var _profileComponent;

var _mouseDownHandler = Function.createDelegate(this, mouseDownHandler);

this.add_move = function(handler) {
this.get_events().addHandler('move', handler);
}
this.remove_move = function(handler) {
this.get_events().removeHandler('move', handler);
}

this.get_handle = function() {
return _handle;
}
this.set_handle = function(value) {
if (_handle != null) {
$removeHandler(_handle, "mousedown", _mouseDownHandler);
}

_handle = value;
$addHandler(_handle, "mousedown", _mouseDownHandler);
}

this.get_profileProperty = function() {
return _profileProperty;
}
this.set_profileProperty = function(value) {

_profileProperty = value;
}

this.get_profileComponent = function() {
return _profileComponent;
}
this.set_profileComponent = function(value) {
_profileComponent = value;
}

this.get_location = function() {
return _location;
}
this.set_location = function(value) {
if (_location != value) {
_location = value;
if (this.get_isInitialized()) {
$common.setLocation(this.get_element(), _location);
}
this.raisePropertyChanged('location');
}
}

this.initialize = function() {
AjaxControlToolkit.FloatingBehavior.callBaseMethod(this, 'initialize');
AjaxControlToolkit.DragDropManager.registerDropTarget(this);

var el = this.get_element();


if (!_location) {
_location = $common.getLocation(el);
}

el.style.position = "fixed";
$common.setLocation(el, _location);


}

this.dispose = function() {
AjaxControlToolkit.DragDropManager.unregisterDropTarget(this);
if (_handle && _mouseDownHandler) {
$removeHandler(_handle, "mousedown", _mouseDownHandler);
//_handle.detachEvent("onmousedown", _mouseDownHandler);
}
_mouseDownHandler = null;
AjaxControlToolkit.FloatingBehavior.callBaseMethod(this, 'dispose');
}

this.checkCanDrag = function(element) {
var undraggableTagNames = ["input", "button", "select", "textarea", "label"];
var tagName = element.tagName;

if ((tagName.toLowerCase() == "a") && (element.href != null) && (element.href.length > 0)) {
return false;
}
if (Array.indexOf(undraggableTagNames, tagName.toLowerCase()) > -1) {
return false;
}
return true;
}

function mouseDownHandler(ev) {
window._event = ev;
var el = this.get_element();

if (this.checkCanDrag(ev.target)) {
_dragStartLocation = $common.getLocation(el);

ev.preventDefault();

this.startDragDrop(el);
}
}

this.get_dragDataType = function() {
return "_floatingObject";
}

this.getDragData = function(context) {
return null;
}

this.get_dragMode = function() {
return AjaxControlToolkit.DragMode.Move;
}

this.onDragStart = function() { }

this.onDrag = function() { }

this.onDragEnd = function(canceled) {
if (!canceled) {
var handler = this.get_events().getHandler('move');
if(handler) {
var cancelArgs = new Sys.CancelEventArgs();
handler(this, cancelArgs);
canceled = cancelArgs.get_cancel();
}
}

var el = this.get_element();
if (canceled) {

$common.setLocation(el, _dragStartLocation);
} else {
_location = $common.getLocation(el);
this.raisePropertyChanged('location');
}
}

this.startDragDrop = function(dragVisual) {
AjaxControlToolkit.DragDropManager.startDragDrop(this, dragVisual, null);
}

this.get_dropTargetElement = function() {
return document.body;
}

this.canDrop = function(dragMode, dataType, data) {
return (dataType == "_floatingObject");
}

this.drop = function(dragMode, dataType, data) {}

this.onDragEnterTarget = function(dragMode, dataType, data) {}

this.onDragLeaveTarget = function(dragMode, dataType, data) {}

this.onDragInTarget = function(dragMode, dataType, data) {}
}

AjaxControlToolkit.FloatingBehavior.registerClass('AjaxControlToolkit.FloatingBehavior', AjaxControlToolkit.BehaviorBase, AjaxControlToolkit.IDragSource, AjaxControlToolkit.IDropTarget, Sys.IDisposable);

if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();