FileManagerController = function(ClientID, UniqueID, EventArgumentSplitter) {

    this.ClientID=ClientID;

    this.UniqueID=UniqueID;

    this.EventArgumentSplitter=EventArgumentSplitter;

    this.documentOnClick = new Array();

    this.TextBox = document.getElementById(this.ClientID + '_TextBox');

    this.TextBox.HideFunction = 'WFM_' + ClientID + '.HideTextBox()';

    this.doNotHide = false;

    this.doRename = false;

    

    if(document.onclick) {

        this.documentOnClick[this.documentOnClick.length] = document.onclick;

        this.documentOnClick[this.documentOnClick.length] = function(e) {eval('WFM_' + ClientID + '.HideTextBox()')};

        document.onclick = function(e) {

            eval('WFM_' + ClientID + '.evalDocumentOnClick(e)');

        }

    } else {

        document.onclick = function(e) {

            eval('WFM_' + ClientID + '.HideTextBox()');

        }

    }

    

	var mouseUp = this._onMouseUp;

	var keyPress = this._onKeyPress;

	var instance = this;

	this._dnd_document_onmouseup = function(e) {

		e = e || window.event;

		mouseUp.call(instance, e); 

	}

	this._dnd_document_onkeypress = function(e) {

		e = e || window.event;

		keyPress.call(instance, e);

	}

}



FileManagerController.prototype.evalDocumentOnClick = function(e) {

    for(var i=0;i<this.documentOnClick.length;i++) {

        this.documentOnClick[i](e);

    }

}



FileManagerController.prototype.HideTextBox = function() {

    if(this.doNotHide) {

        this.doNotHide = false;

        return;

    }    

    this.TextBox.style.display = "none";

    this.TextBox.style.visibility = "hidden";

    if(this.doRename) {

        if(''+this.TextBox.Item.Name != this.TextBox.value) {

            if(this.TextBox.Control.InProcess)

                return;

            this.TextBox.Control.ShowProgress();

            WebFileManager_InitCallback();

            WebFileManager_DoCallback(this.UniqueID, this.TextBox.Control.ClientID + this.EventArgumentSplitter + 'Rename' + this.EventArgumentSplitter + this.TextBox.Item.Path + this.EventArgumentSplitter + encodeURIComponent(this.TextBox.value), WebFileManager_Eval, this.TextBox.Control, WebFileManager_OnError);

        } else {

            this.TextBox.Control.SetFocus();

        }

    }

    this.doRename = false;

}



FileManagerController.prototype.OnRename = function(sender, arg) {

    if(sender.InProcess)

        return;

    if(sender.SelectedItems.length == 0)

        return;

    var item = null;

    for(i=0;i<sender.SelectedItems.length;i++) {

        if(sender.SelectedItems[i].CanBeRenamed) {

            item = sender.SelectedItems[i];

            break;

        }

    }

    if(!item)

        return;

    var name = document.getElementById(item.id+'_Name');

    var pos = WebForm_GetElementPosition(name);

    var ClientID = this.ClientID;

    

    this.doNotHide = !this.doNotHide;

    this.doRename = true;

    

    this.TextBox.value = item.Name;

    this.TextBox.className = sender.EditTextBoxStyle;

    this.TextBox.style.display = "inline";

    this.TextBox.style.visibility = "visible";

    this.TextBox.style.top = '' + (pos.y - sender.Element.scrollTop) + 'px';

    this.TextBox.style.left = '' + (pos.x - sender.Element.scrollLeft) + 'px';

    this.TextBox.style.width = '' + pos.width + 'px';

    this.TextBox.style.height = '' + pos.height + 'px';

    this.TextBox.focus();

    this.TextBox.select();

    this.TextBox.Item = item;

    this.TextBox.Control = sender;

    

    this.TextBox.onclick = function(e) {

        if(e == null) var e = event;

        e.cancelBubble = true;

    }

    

    this.TextBox.onkeydown = function(e) {

        if(e == null) var e = event;

        if(e.keyCode == 27) {

            eval('WFM_' + ClientID + '.doRename = false');

            eval(this.HideFunction);

            this.Control.SetFocus();

            e.cancelBubble = true;

            return false;

        }

        if(e.keyCode == 13) {

            eval(this.HideFunction);

            e.cancelBubble = true;

            return false;

        }

    }

}



FileManagerController.prototype.OnRefresh = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'Refresh' + this.EventArgumentSplitter + arg, WebFileManager_Render, sender, WebFileManager_OnError);

}



FileManagerController.prototype.OnExecuteCommand = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'ExecuteCommand' + this.EventArgumentSplitter + arg, WebFileManager_Eval, sender, WebFileManager_OnError);

}



FileManagerController.prototype.OnSelectedItemsDelete = function(sender, arg) {

    if(sender.InProcess)

        return;

    if(sender.SelectedItems.length>0 && confirm(decodeURIComponent(eval('WFM_' + this.ClientID + 'DeleteConfirm')))) {

        sender.ShowProgress();

        WebFileManager_InitCallback();

        WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'SelectedItemsDelete' + this.EventArgumentSplitter + arg, WebFileManager_Eval, sender, WebFileManager_OnError);

    }

}



FileManagerController.prototype.OnSelectedItemsCopyTo = function(sender, arg) {

    if(sender.InProcess)

        return;

    if(sender.SelectedItems.length == 0)

        return;

    var directory = decodeURIComponent(sender.GetDirectory());

    arg = this.PromptDirectory(directory);

    this._SelectedItemsCopyTo(sender, arg);

}



FileManagerController.prototype._SelectedItemsCopyTo = function(sender, arg) {

    if(arg) {

        sender.ShowProgress();

        WebFileManager_InitCallback();

        WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'SelectedItemsCopyTo' + this.EventArgumentSplitter + encodeURIComponent(arg), WebFileManager_Eval, sender, WebFileManager_OnError);

    }

}



FileManagerController.prototype.OnSelectedItemsMoveTo = function(sender, arg) {

    if(sender.InProcess)

        return;

    if(sender.SelectedItems.length == 0)

        return;

    var directory = decodeURIComponent(sender.GetDirectory());

    arg = this.PromptDirectory(directory);

    this._SelectedItemsMoveTo(sender, arg);

}



FileManagerController.prototype._SelectedItemsMoveTo = function(sender, arg) {

    if(arg) {

        sender.ShowProgress();

        WebFileManager_InitCallback();

        WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'SelectedItemsMoveTo' + this.EventArgumentSplitter + encodeURIComponent(arg), WebFileManager_Eval, sender, WebFileManager_OnError);

    }

}



FileManagerController.prototype.PromptDirectory = function(directory) {

    return window.prompt(decodeURIComponent(eval('WFM_' + this.ClientID + 'SelectDestination')), directory);

}



FileManagerController.prototype.OnNewFolder = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'NewFolder' + this.EventArgumentSplitter + arg, WebFileManager_Eval, sender, WebFileManager_OnError);

}



FileManagerController.prototype.OnNewDocument = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'NewDocument' + this.EventArgumentSplitter + arg, WebFileManager_Eval, sender, WebFileManager_OnError);

}



FileManagerController.prototype.OnFileViewChangeView = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    sender.SetView(arg);

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'FileViewChangeView' + this.EventArgumentSplitter + arg, WebFileManager_Render, sender, WebFileManager_OnError);

}



FileManagerController.prototype.OnFileViewShowInGroups = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    sender.SwitchShowInGroups();

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'FileViewShowInGroups' + this.EventArgumentSplitter + arg, WebFileManager_Render, sender, WebFileManager_OnError);

}



FileManagerController.prototype.OnFileViewSort = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    sender.SetSort(arg);

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'FileViewSort' + this.EventArgumentSplitter + arg, WebFileManager_Render, sender, WebFileManager_OnError);

}



FileManagerController.prototype.OnFileViewNavigate = function(sender, arg) {

    if(sender.InProcess)

        return;

    sender.ShowProgress();

    WebFileManager_InitCallback();

    WebFileManager_DoCallback(this.UniqueID, sender.ClientID + this.EventArgumentSplitter + 'FileViewNavigate' + this.EventArgumentSplitter + encodeURIComponent(arg), WebFileManager_Eval, sender, WebFileManager_OnError)

}



FileManagerController.prototype.getDndVisual = function() {

	if(this._dndVisual == null){

		this._dndVisual = document.createElement('div');

		this._dndVisual.style.visibility="hidden";

		this._dndVisual.style.display="none";

		document.body.appendChild(this._dndVisual);

	}

	return this._dndVisual;

}

	

FileManagerController.prototype._dropNotAllowedCursor = "not-allowed";

FileManagerController.prototype._dropCopyCursor = 'url("<% = WebResource("IZ.WebFileManager.resources.drag_copy.cur") %>"), default';

FileManagerController.prototype._dropMoveCursor = 'url("<% = WebResource("IZ.WebFileManager.resources.drag_move.cur") %>"), default';

FileManagerController.prototype._isDragging = false;

FileManagerController.prototype._dragSource = null;



FileManagerController.prototype.startDragDrop = function(dragSource) {

	this._wireEvents();

	this._isDragging = true;

	this._dragSource = dragSource;

}



FileManagerController.prototype.stopDragDrop = function() {

	this._unwireEvents();

	this._isDragging = false;

	this._dragSource = null;

	if(this._dropTarget){

		this._dropTarget.onDragLeaveTarget();

		this._dropTarget=null;

	}

}



FileManagerController.prototype.isDragging = function() {

	return this._isDragging;

}



FileManagerController.prototype.drop = function(target, move) {

	var dragSource = this._dragSource;

	this.stopDragDrop();

	if(move)

		this._SelectedItemsMoveTo(dragSource, target.getFullPath());

	else

		this._SelectedItemsCopyTo(dragSource, target.getFullPath())

}



FileManagerController.prototype._wireEvents = function() {

    this._origin_document_onmouseup = document.onmouseup;

    this._origin_document_onkeypress = document.onkeypress;

	document.onmouseup=this._dnd_document_onmouseup;

	document.onkeypress=this._dnd_document_onkeypress;

}



FileManagerController.prototype._unwireEvents = function() {

	document.onmouseup = this._origin_document_onmouseup;

    document.onkeypress = this._origin_document_onkeypress;

}

    

FileManagerController.prototype._onMouseUp = function (e) {

    this.stopDragDrop();

};



FileManagerController.prototype._onKeyPress = function (e) {

    // Escape.

    var k = e.keyCode ? e.keyCode : e.rawEvent.keyCode;

    if (k == 27) {

        this.stopDragDrop();

    }

};



function WebFileManager_InitCallback() {

    __theFormPostData = "";

    __theFormPostCollection = new Array();

    WebForm_InitCallback();

}



function WebFileManager_Render(result, context) {

    var interval = window.setInterval(function() {

        window.clearInterval(interval);

        context.Element.innerHTML = result;

        context.Initialize();

        context.SetFocus();

        context.HidePrgress();

    }, 0);

}



function WebFileManager_Eval(result, context) {

    //alert(result);

    var interval = window.setInterval(function() {

        window.clearInterval(interval);

        context.HidePrgress();

        eval(result);

    }, 0);

}



function WebFileManager_OnError(result, context) {

    var interval = window.setInterval(function() {

        window.clearInterval(interval);

        var separatorIndex = result.lastIndexOf("|");

        if (separatorIndex != -1) {

            result = result.substring(0, separatorIndex - 1);

        }

        context.SetFocus();

        context.HidePrgress();

        alert(result.replace(/&lt;/,"<").replace(/&gt;/,">").replace(/&quot;/,'"'));

    }, 0);

}