StatusBarMgr.xcs

//xlang Source, Name:StatusBarMgr.xcs 
//Date: Sat Aug 11:30:44 2018 
class StatusBarMgr{
	QMainWindow mainWindow;
	static QStatusBar statusBar;
    static StatusBarMgr statusmgr;
	static QProgressBar progressBar;
	static QLabel status;
    static QPushButton background_task;
    
    static Timer task_timer = new Timer();
    
	public bool create(QMainWindow win){  
		mainWindow = win; 
		statusBar = mainWindow.getStatusBar();
        statusmgr = this;
		
        status = new QLabel();
        status.create();
        statusBar.addWidget(status, 1);
        status.setText("已就绪");
                
        background_task = new QPushButton();
        background_task.create();
        background_task.hide();
        background_task.resize(20,20);
        background_task.setFixedWidth(20);
        statusBar.addPermanentWidget(background_task, 0);
        
        background_task.setOnClickListener(new onClickListener(){
            void onPress(QObject obj) override{
                showDLMgr();
            }
        });
        
        progressBar = new QProgressBar();
        progressBar.create();
        progressBar.resize(200,16);
        progressBar.hide();
        statusBar.addPermanentWidget(progressBar, 0);
        
        task_timer.schedule(
        new TimerTask(){
            int step = 0;
            bool showed = false;
            
            void run()override{
                bool bmust_update = false;
                bool hasTask = DownloadCenter.hasTask();
                if (showed != hasTask){
                    showed = !showed;
                    bmust_update = true;
                    mainWindow.runOnUi(new Runnable(){
                       void run()override{
                           background_task.setVisible(showed);
                       } 
                    });
                }
                
                if (showed || bmust_update){
                    mainWindow.runOnUi(new Runnable(){
                       void run()override{
                           background_task.setStyleSheetString(String.format( "border:0; background-image:url(res/toolbar/dlstat_%d.png);background-repeat:no-repeat; background-position:center;background-attachment:fixed;", step++));
                           DownloadManager.updateProgress();
                       } 
                    });
                    if (step > 5){
                        step = 0;
                    }
                }

            }
        },300,-1);
        
        return false;
	}
    
    public static void showStatusMessage(String text){
        statusBar.runOnUi(new Runnable(){
            void run()override{
                status.setText(text);
            }
        });
    }
    
    public static bool showDLMgr()
    {
        QDialog newDlg = new QDialog();
        if (newDlg.load(UIManager.getUIData(__xPackageResource("ui/dlmgr.ui"))) == false) {
            return false;
        }
        DownloadManager dlmgr = new DownloadManager();
        dlmgr.attach(newDlg);
        return true;
    }
    
    public static void showWaitProgress(String text){
        statusBar.runOnUi(new Runnable(){
            void run()override{
                progressBar.setMinimum(0);
                progressBar.setMaximum(0);
                progressBar.show();
                if (text != nilptr){
                    status.setText(text);
                }
            }
        });
    }
    
    public static void showProgress(String text, int value){
        statusBar.runOnUi(new Runnable(){
            void run()override{
                progressBar.setMinimum(0);
                progressBar.setMaximum(100);
                progressBar.show();
                progressBar.setValue(value);
                if (text != nilptr){
                    status.setText(text);
                }
            }
        });
    }
    public static void updateProgress(String text, int value){
        statusBar.runOnUi(new Runnable(){
            void run()override{
                progressBar.setValue(value);
                if (text != nilptr){
                    status.setText(text);
                }
            }
        });
    }
    public static void hideProgress(String text){
        statusBar.runOnUi(new Runnable(){
            void run()override{
                progressBar.hide();
                if (text != nilptr){
                    status.setText(text);
                }
            }
        });
    }
};