isvjtrend.java

此文件为OPC Client IsVJTrend源代码,在VJ++开发环境下调试

		Application.addOnIdle(new EventHandler(this.ISVjTrend_Idle));
		
		server = new Server();
	}


	/**
	 * ISVjTrend overrides dispose so it can clean up the
	 * component list.
	 */
	public void dispose()
	{
		super.dispose();
		components.dispose();
	}

	private void ISVjTrend_Idle(Object sender, Event e)
	{
		// Set the statusBarStates
		StatusBarPanel sbPanel[] = statusBar.getPanels ();
		if ((GetKeyState(VK_CAPITAL) & 1) == 1)
			sbPanel[1].setText ("CAP");		
		else		
			sbPanel[1].setText ("");		
		if ((GetKeyState(VK_NUMLOCK) & 1) == 1)
			sbPanel[2].setText ("NUM");		
		else	
			sbPanel[2].setText ("");		
	}
	
	private void ISVjTrend_closing(Object source, CancelEvent e)
	{
		// Check to see if there are changes to save 
		if(server.IsConnected()) server.Disconnect();
		
		Application.exit();
	}
	


	private void menuConnect_click(Object source, Event e)
	{
		server.Connect();
	}

	private void menuDisconnect_click(Object source, Event e)
	{
		if(server.IsConnected())
			server.Disconnect();	
	}

	/**
	 * NOTE: The following code is required by the Visual J++ form
	 * designer.  It can be modified using the form editor.  Do not
	 * modify it using the code editor.
	 */

	Container components = new Container();
	ListView TrendListView = new ListView();
	MainMenu mainMenu1 = new MainMenu();
	MenuItem fileMenu = new MenuItem();
	MenuItem openMenu = new MenuItem();
	MenuItem seperator3Menu = new MenuItem();
	MenuItem exitMenu = new MenuItem();
	MenuItem helpMenu = new MenuItem();
	MenuItem aboutMenu = new MenuItem();
	StatusBar statusBar = new StatusBar();
	StatusBarPanel mainStatusBarPanel = new StatusBarPanel();
	StatusBarPanel capStatusBarPanel = new StatusBarPanel();
	StatusBarPanel numStatusBarPanel = new StatusBarPanel();
	ToolBar toolBar = new ToolBar();
	ToolBarButton openToolBarButton = new ToolBarButton();
	ToolBarButton sep1ToolBarButton = new ToolBarButton();
	ImageList toolBarImageList = new ImageList();
	Splitter TrendViewSplitter = new Splitter();
	mschrt20.MSChart.MSChart TrendGraphView = new mschrt20.MSChart.MSChart();
	ColumnHeader TrendListViewHeaderTime = new ColumnHeader();
	ColumnHeader TrendListViewHeaderValue = new ColumnHeader();
	ColumnHeader TrendListViewHeaderPriority = new ColumnHeader();
	ColumnHeader TrendListViewHeaderAlarm = new ColumnHeader();
	ColumnHeader TrendListViewHeaderDataloss = new ColumnHeader();
	MenuItem menuConnect = new MenuItem();
	MenuItem menuDisconnect = new MenuItem();
	MenuItem seperator1Menu = new MenuItem();
	ToolBarButton ConnecttoolBarButton = new ToolBarButton();
	ToolBarButton DisconnecttoolBarButton = new ToolBarButton();
	ToolBarButton sep5ToolBarButton = new ToolBarButton();

	private void initForm()
	{
		// NOTE:  This form is storing resource information in an
		// external file.  Do not modify the string parameter to any
		// resources.getObject() function call. For example, do not
		// modify "foo1_location" in the following line of code
		// even if the name of the Foo object changes: 
		//   foo1.setLocation((Point)resources.getObject("foo1_location"));

		IResourceManager resources = new ResourceManager(this, "ISVjTrend");
		components.add(openMenu, "openMenu");
		openMenu.setShortcut(Shortcut.CTRL_O);
		openMenu.setText("&Open...");
		openMenu.addOnClick(new EventHandler(this.doOpen));

		components.add(seperator3Menu, "seperator3Menu");
		seperator3Menu.setText("-");

		components.add(exitMenu, "exitMenu");
		exitMenu.setText("E&xit");
		exitMenu.addOnClick(new EventHandler(this.exitMenu_click));

		components.add(aboutMenu, "aboutMenu");
		aboutMenu.setText("&About...");
		aboutMenu.addOnClick(new EventHandler(this.aboutMenu_click));

		components.add(helpMenu, "helpMenu");
		helpMenu.setMenuItems(new MenuItem[] {
							  aboutMenu});
		helpMenu.setText("&Help");

		components.add(mainStatusBarPanel, "mainStatusBarPanel");
		mainStatusBarPanel.setAutoSize(StatusBarPanelAutoSize.SPRING);
		mainStatusBarPanel.setBorderStyle(StatusBarPanelBorderStyle.NONE);
		mainStatusBarPanel.setWidth(498);

		components.add(capStatusBarPanel, "capStatusBarPanel");
		capStatusBarPanel.setAlignment(HorizontalAlignment.CENTER);
		capStatusBarPanel.setMinWidth(35);
		capStatusBarPanel.setWidth(35);

		components.add(numStatusBarPanel, "numStatusBarPanel");
		numStatusBarPanel.setAlignment(HorizontalAlignment.CENTER);
		numStatusBarPanel.setMinWidth(35);
		numStatusBarPanel.setWidth(35);

		components.add(statusBar, "statusBar");
		statusBar.setBackColor(Color.CONTROL);
		statusBar.setLocation(new Point(0, 444));
		statusBar.setSize(new Point(584, 20));
		statusBar.setTabIndex(1);
		statusBar.setText("");
		statusBar.setShowPanels(true);
		statusBar.setPanels(new StatusBarPanel[] {
							mainStatusBarPanel, 
							capStatusBarPanel, 
							numStatusBarPanel});

		components.add(openToolBarButton, "openToolBarButton");
		openToolBarButton.setImageIndex(1);
		openToolBarButton.setToolTipText("Open");

		components.add(sep1ToolBarButton, "sep1ToolBarButton");
		sep1ToolBarButton.setStyle(ToolBarButtonStyle.SEPARATOR);

		components.add(toolBarImageList, "toolBarImageList");
		toolBarImageList.setImageSize(new Point(16, 15));
		toolBarImageList.setImageStream((ImageListStreamer)resources.getObject("toolBarImageList_imageStream"));
		/* @designTimeOnly toolBarImageList.setLocation(new Point(352, 8)); */

		components.add(TrendViewSplitter, "TrendViewSplitter");
		TrendViewSplitter.setCursor(Cursor.HSPLIT);
		TrendViewSplitter.setDock(ControlDock.TOP);
		TrendViewSplitter.setLocation(new Point(0, 153));
		TrendViewSplitter.setSize(new Point(584, 1));
		TrendViewSplitter.setTabIndex(2);
		TrendViewSplitter.setTabStop(false);

		components.add(TrendGraphView, "TrendGraphView");
		TrendGraphView.setDock(ControlDock.FILL);
		TrendGraphView.setLocation(new Point(0, 154));
		TrendGraphView.setSize(new Point(584, 290));
		TrendGraphView.setTabIndex(5);
		TrendGraphView.setOcxState((AxHost.State)resources.getObject("TrendGraphView_ocxState"));

		components.add(TrendListViewHeaderTime, "TrendListViewHeaderTime");
		TrendListViewHeaderTime.setText("Time");
		TrendListViewHeaderTime.setWidth(100);

		components.add(TrendListViewHeaderValue, "TrendListViewHeaderValue");
		TrendListViewHeaderValue.setText("Value");
		TrendListViewHeaderValue.setWidth(100);

		components.add(TrendListViewHeaderPriority, "TrendListViewHeaderPriority");
		TrendListViewHeaderPriority.setText("Priority");
		TrendListViewHeaderPriority.setWidth(100);

		components.add(TrendListViewHeaderAlarm, "TrendListViewHeaderAlarm");
		TrendListViewHeaderAlarm.setText("Alarm");
		TrendListViewHeaderAlarm.setWidth(100);

		components.add(TrendListViewHeaderDataloss, "TrendListViewHeaderDataloss");
		TrendListViewHeaderDataloss.setText("Dataloss");
		TrendListViewHeaderDataloss.setWidth(100);

		components.add(TrendListView, "TrendListView");
		TrendListView.setDock(ControlDock.TOP);
		TrendListView.setLocation(new Point(0, 25));
		TrendListView.setSize(new Point(584, 128));
		TrendListView.setTabIndex(6);
		TrendListView.setText("listView1");
		TrendListView.setFullRowSelect(true);
		TrendListView.setSorting(SortOrder.DESCENDING);
		TrendListView.setView(ViewEnum.REPORT);
		TrendListView.setColumns(new ColumnHeader[] {
								 TrendListViewHeaderTime, 
								 TrendListViewHeaderValue, 
								 TrendListViewHeaderPriority, 
								 TrendListViewHeaderAlarm, 
								 TrendListViewHeaderDataloss});

		components.add(menuConnect, "menuConnect");
		menuConnect.setText("Connect...");
		menuConnect.addOnClick(new EventHandler(this.menuConnect_click));

		components.add(menuDisconnect, "menuDisconnect");
		menuDisconnect.setText("Disconnect");
		menuDisconnect.addOnClick(new EventHandler(this.menuDisconnect_click));

		components.add(seperator1Menu, "seperator1Menu");
		seperator1Menu.setText("-");

		components.add(fileMenu, "fileMenu");
		fileMenu.setMenuItems(new MenuItem[] {
							  menuConnect, 
							  menuDisconnect, 
							  seperator1Menu, 
							  openMenu, 
							  seperator3Menu, 
							  exitMenu});
		fileMenu.setText("&Trend");

		components.add(mainMenu1, "mainMenu1");
		mainMenu1.setMenuItems(new MenuItem[] {
							   fileMenu, 
							   helpMenu});
		/* @designTimeOnly mainMenu1.setLocation(new Point(200, 8)); */

		this.setAnchor(ControlAnchor.ALL);
		this.setLocation(new Point(298, 88));
		this.setText("ISVjTrend");
		this.setAutoScaleBaseSize(new Point(7, 16));
		this.setClientSize(new Point(584, 464));
		this.setIcon((Icon)resources.getObject("this_icon"));
		this.setMenu(mainMenu1);
		this.addOnClosing(new CancelEventHandler(this.ISVjTrend_closing));

		components.add(ConnecttoolBarButton, "ConnecttoolBarButton");
		ConnecttoolBarButton.setImageIndex(5);

		components.add(DisconnecttoolBarButton, "DisconnecttoolBarButton");
		DisconnecttoolBarButton.setImageIndex(6);

		components.add(sep5ToolBarButton, "sep5ToolBarButton");
		sep5ToolBarButton.setStyle(ToolBarButtonStyle.SEPARATOR);

		components.add(toolBar, "toolBar");
		toolBar.setSize(new Point(584, 25));
		toolBar.setTabIndex(0);
		toolBar.setButtons(new ToolBarButton[] {
						   openToolBarButton, 
						   sep1ToolBarButton, 
						   ConnecttoolBarButton, 
						   DisconnecttoolBarButton, 
						   sep5ToolBarButton});
		toolBar.setDropDownArrows(true);
		toolBar.setImageList(toolBarImageList);
		toolBar.setShowToolTips(true);
		toolBar.addOnButtonClick(new ToolBarButtonClickEventHandler(this.toolBar_buttonClick));

		this.setNewControls(new Control[] {
							TrendGraphView, 
							TrendListView, 
							TrendViewSplitter, 
							toolBar, 
							statusBar});

		TrendGraphView.begin();
	}

	/**
	 * The main entry point for the application. 
	 *
	 * @param args Array of parameters passed to the application
	 * via the command line.
	 */
	public static void main(String args[])
	{
		Application.run(new ISVjTrend());
	}

	public static final int VK_CAPITAL = 0x14;
	public static final int VK_NUMLOCK = 0x90;
	/**
	 * @dll.import("USER32",auto) 
	 */
	public static native short GetKeyState(int nVirtKey);
}