// Name:        DragPanel.FloatingBehavior.debug.js
// Assembly:    AjaxControlToolkit
// Version:     4.1.7.725
// FileVersion: 4.1.7.0725
// (c) 2010 CodePlex Foundation



/// <reference name="MicrosoftAjax.debug.js" />
/// <reference path="../ExtenderBase/BaseScripts.js" />
/// <reference path="../Common/Common.js" />
/// <reference path="../Compat/DragDrop/DragDropScripts.js" />

(function() {
var scriptName = "ExtendedFloating";

function execute() {

Sys.Extended.UI.FloatingBehavior = function(element) {
    Sys.Extended.UI.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() {
        Sys.Extended.UI.FloatingBehavior.callBaseMethod(this, 'initialize');
        Sys.Extended.UI.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() {
        Sys.Extended.UI.DragDropManager.unregisterDropTarget(this);
        if (_handle && _mouseDownHandler) {
            $removeHandler(_handle, "mousedown", _mouseDownHandler);
        }
        _mouseDownHandler = null;
        Sys.Extended.UI.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 Sys.Extended.UI.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) {
        Sys.Extended.UI.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) {}
}
Sys.Extended.UI.FloatingBehavior.registerClass('Sys.Extended.UI.FloatingBehavior', Sys.Extended.UI.BehaviorBase, Sys.Extended.UI.IDragSource, Sys.Extended.UI.IDropTarget, Sys.IDisposable);
Sys.registerComponent(Sys.Extended.UI.FloatingBehavior, { name: "draggable" });

} // execute

if (window.Sys && Sys.loader) {
    Sys.loader.registerScript(scriptName, ["ExtendedBase", "ExtendedCommon", "ExtendedDragDrop"], execute);
}
else {
    execute();
}

})();