class BTDesktop {

    Windows: DWindow[];
    Container: string;
    modalCount: number;

    constructor (Container: string) {
        this.Container = Container;
        this.Windows = [];
        this.modalCount = 0;
    }

    private countModal(): number {
        var notAll: boolean;
        for (var x = 0; x < this.Windows.length; x++)if (!this.Windows[x].closed && !this.Windows[x].isTab) notAll = true;
        if (!notAll) this.modalCount = 0;
        return this.modalCount;
    }

    private getFreeIndex() {
        for (var x = 0; x < this.Windows.length; x++) if (this.Windows[x].closed) return x;
        return -1;
    }

    private cleanup(mWindow:DWindow): void {
        mWindow.closed = true;
        mWindow.grid = null;
        mWindow.opener = null;
        mWindow.options = null;
        mWindow.url = null;
        mWindow.xhr = null;
        mWindow.dataGrids = [];
        for (var x in mWindow.ckeditors) mWindow.ckeditors[x].ckeditorGet().destroy(true);
        for (var x in mWindow.menudivs) mWindow.menudivs[x].remove();
        mWindow.ckeditors = [];
        mWindow.menudivs = [];
        mWindow.subdataToolButtons = [];
        mWindow.toolbarFunc = [];
        mWindow.formTabs = [];
        mWindow.selectors = new Object();
        mWindow.container = null;
        mWindow.controls = null;
        mWindow.toolbox = null;
        mWindow.activeDataIndex = -1;
    }
    
    private createWindow(url: string, opener:DWindow, callback) {
        var mDesk: BTDesktop = this;
        var mWindow: DWindow, lIndex: number = this.getFreeIndex();
        if (lIndex < 0) {
            mWindow = new DWindow();
            mWindow.index = this.Windows.length;
            this.Windows.push(mWindow);
        } else {
            mWindow = this.Windows[lIndex]
        }
        mWindow.xhr = GetAjax(url, function (opts: Response) {
            mWindow.url = url;
            mWindow.closed = false;
            mWindow.opener = opener;
            mWindow.options = opts;
            mWindow.toolbox =$("<div class='div_toolbar'/>");
            mWindow.container = $("<div class='div_data'/>").attr("windowIndex",mWindow.index);
            mWindow.controls = $("<div class='div_controls'/>");
            mWindow.controls.append(createButton({
                iconCls: 'icon-cancel', text: app_ru.close,
                onclick: function () { mWindow.close() } 
            }, "linkbutton"));
            callback(mWindow, opts);
        });
    }

    private createDialog(url: string, opener: DWindow, callback) {
        var mDesk: BTDesktop = this;
        this.modalCount++;
        this.createWindow(url, opener, function (mWindow:DWindow, opts:Response) {
            mWindow.isTab = false;
            mWindow.controls.addClass("dlg");
            mWindow.container.addClass("dlg");
            mWindow.toolbox.addClass("dlg");
            mWindow.viewport = $("<div/>").append(
                mWindow.toolbox).append(
                mWindow.container).append(
                mWindow.controls).dialog({
                    width: opts.dialogWidth?opts.dialogWidth:screen.availWidth*2/3,
                    height: opts.dialogHeight?opts.dialogHeight:768,
                    title: opts.dialogTitle,
                    modal: true,
                    collapsible: false,
                    maximizable: false,
                    minimizable: false,
                    onClose: function () {
                        mDesk.cleanup(mWindow);
                        mWindow.viewport.parent().next().remove();
                        mWindow.viewport.parent().next().remove();
                        mWindow.viewport.parent().remove();
                    }
            }).attr("idValue", opts.idValue);
            callback(mWindow, opts);
            mWindow.ckeditors = createNewControls(mWindow.btn_save,mWindow.container);
        });
    }

    private createTab(url: string, opener: DWindow, callback) {
        var mDesk: BTDesktop = this, $tabs = $("#tt");
        for (var x = 0; x < this.Windows.length; x++) {
            var mWin = this.Windows[x];
            if (!mWin.closed && mWin.url == url) {
                var tabs = $tabs.tabs("tabs");
                for (var i = 0; i < tabs.length; i++) {
                    if (tabs[i].attr("id") == mWin.container.attr("id")) {
                        $tabs.tabs("select",i);
                        return
                    }
                }
                return;
            }
        }
        this.createWindow(url, opener, function (mWindow:DWindow, opts:Response) {
            mWindow.isTab = true;
            mWindow.container.attr("id", createId(opts, "list"));
            var tabIndex = $tabs.tabs("tabs").length, rs = opts.rowset;
            var sTitle = opts.dialogTitle ? (opts.dialogTitle + app_ru.longDash) : "";
            var pkValue = rs.rows.length > 0 ? parseInt(rs.rows[0][Sys(opts.webitem).PrimaryKey]) : null;
            var objName = rs.rows.length > 0 ? (rs.rows[0][opts.nameField] || rs.rows[0].Name) : null;
            objName = objName && (objName.Name || objName);
            objName = objName ? (app_ru.lQuote + (objName.length <= 25 ? objName : objName.substr(0, 10) + " ... " + objName.substr(objName.length - 10, 10)) + app_ru.rQuote) : "<без имени>";
            $tabs.tabs("add", {
                closable: true,
                title: (opts.wcecommand=="PAGE"||opts.wcecommand=="FIND"||opts.wcecommand=="GOTO")?
                    opts.dialogTitle : (sTitle + (rs.total ? (pkValue ? objName : app_ru.newRecord) : app_ru.newRecord)),
                id: mWindow.container.attr("id")
            });
            mWindow.viewport= $("#" + mWindow.container.attr("id"), $tabs);
            mWindow.viewport.append(mWindow.toolbox).append(mWindow.container).append(mWindow.controls);
            //mWindow.container = $("#" + mWindow.container.attr("id"),$tabs);
            var $pan = $tabs.tabs("getTab", tabIndex);
            var pOpts = $pan.panel("options");
            pOpts.onBeforeDestroy = function () { mDesk.cleanup(mWindow); return true; }
            $pan.panel("options", pOpts);
            var $btn_save = callback(mWindow, opts);
            mWindow.ckeditors = createNewControls($btn_save);
        });
    }
        
    createFormTab(url: string, opener: DWindow) {
        if(this.countModal()>0)return;
        this.createTab(url, opener, function (mWindow: DWindow, opts: Response) { 
            return mWindow.createForm(opts);
        })
    }
    
    createListTab(url: string, opener: DWindow) {
        if(this.countModal()>0)return;
        this.createTab(url, opener, function (mWindow: DWindow, opts: Response) {
            mWindow.createList(opts);
        });
    }

    createFormDialog(url: string, opener: DWindow): void {
        this.createDialog(url, opener, function (mWindow: DWindow, opts: Response) { 
            return mWindow.createForm(opts);
        })
    }

    createListDialog(url: string, opener: DWindow) {
        this.createDialog(url, opener, function (mWindow: DWindow, opts: Response) {
            mWindow.createList(opts);
        });
    }
    
    createListSelector(url: string, opener: DWindow, targetField:any) {
        if (!targetField) {
            alert(app_ru.noTargetField + opener.options.webitem);
            return
        }
        this.createDialog(url, opener, function (mWindow: DWindow, opts: Response) {
            mWindow.createSelector(opts, targetField);
        });
    }

    createMultiSelector(url: string, opener: DWindow) {
        this.createDialog(url, opener, function (mWindow: DWindow, opts: Response) {
            mWindow.createMultiSelector(opts);
        });
    }
}

Desktop = new BTDesktop("desktop");