browserdlg.java

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

/////////////////////////////////////////////////////////////////////////////
//
//  OPC Trend VJ Client: BrowserDlg.java
//                       (Source File)
//
/////////////////////////////////////////////////////////////////////////////
//
//          Author: Raphael Imhof
//    Initial Date: 11/04/98
//       $Workfile: BrowserDlg.java $
//       $Revision: 1 $
//           $Date: 7/27/99 5:09p $
//   Target System: Microsoft Windows NT 4.0
//     Environment: Visual J++ 6.0 / OPC DataAccess 2.0
//         Remarks:
//
/////////////////////////////////////////////////////////////////////////////
//
//     Description: implementation of the tag browser class.
//
//
/////////////////////////////////////////////////////////////////////////////
//
//  History of Changes     (Please remove very old comments and blank lines!)
//            $Log: /IDK/OPCServer/clients/VJ++/ISVjTrend/BrowserDlg.java $
// 
// 1     7/27/99 5:09p Imhof
// 
// 1     7/27/99 4:39p Imhof
// 
// 1     7/27/99 4:33p Imhof
// 
// 6     1/20/99 3:17p Imhof
// Updated header
// 
// 5     1/18/99 5:01p Imhof
//
//
//  $Nokeywords:$ (To avoid useless search while checking in.)
/////////////////////////////////////////////////////////////////////////////
//  Copyright (C) 1999, Siemens Building Technologies, Inc. Landis Division
//
//  SIEMENS BUILDING TECHNOLOGIES, INC. IS PROVIDING THE FOLLOWING EXAMPLES
//  OF CODE AS SAMPLE ONLY.
//  SIEMENS BUILDING TECHNOLOGIES, INC. MAKES NO REPRESENTATIONS OR WARRANTIES
//  OF ANY KIND WITH RESPECT TO THE VALIDTY OF THE CODES OR DESIRED RESULTS
//  AND DISCLAIMS ALL SUCH REPRESENTATIONS AND WARRANTIES, INCLUDING FOR EXAMPLE,
//  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//  SIEMENS BUILIDNG TECHNOLOGIES, INC. DOES NOT REPRESENT OR WARRANT THAT
//  THE FOLLOWING CODE SAMPLES ARE ACCURATE, VALID, COMPLETE OR CURRENT.
//
/////////////////////////////////////////////////////////////////////////////

import com.ms.wfc.app.*;
import com.ms.wfc.core.*;
import com.ms.wfc.ui.*;
import com.ms.wfc.html.*;

import opcdaauto.*;
import com.ms.com.Variant;

/**
 * This class can take a variable number of parameters on the command
 * line. Program execution begins with the main() method. The class
 * constructor is not invoked unless an object of type 'browser'
 * created in the main() method.
 */
public class BrowserDlg extends Form
{
	public OPCServer server;
	public String sTag;
	
	public BrowserDlg()
	{
		super();

		// Required for Visual J++ Form Designer support
		initForm();		

		// TODO: Add any constructor code after initForm call
	}

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


	private void Find_click(Object source, Event e)
	{
		tagList.removeAll();
		tag.setText("");
    
		OPCBrowser browser = server.CreateBrowser();

		String sFilter = new String(filterPrefix.getText() + filterSuffix.getText());
		browser.setFilter(sFilter);
		//browser.setDataType(0);
		browser.setAccessRights(1);
		Variant leafs = new Variant(true);
		browser.ShowLeafs(leafs);
		for(int i =0; i < browser.getCount(); i++)
		{
			Variant pos = new Variant(i+1);
			tagList.addItem(browser.Item(pos));
		}
	}

	private void tag_textChanged(Object source, Event e)
	{
		
	}

	private void tagList_selectedIndexChanged(Object source, Event e)
	{
		sTag = (String)tagList.getSelectedItem();
		tag.setText(sTag);
	}

	/**
	 * 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();
	ListBox tagList = new ListBox();
	Edit tag = new Edit();
	GroupBox groupBox1 = new GroupBox();
	Edit filterPrefix = new Edit();
	Edit filterSuffix = new Edit();
	Button Find = new Button();
	Button OK = new Button();
	Button Cancel = new Button();

	private void initForm()
	{
		tagList.setLocation(new Point(8, 56));
		tagList.setSize(new Point(224, 180));
		tagList.setTabIndex(0);
		tagList.setText("listBox1");
		tagList.setUseTabStops(true);
		tagList.addOnSelectedIndexChanged(new EventHandler(this.tagList_selectedIndexChanged));

		tag.setLocation(new Point(8, 16));
		tag.setSize(new Point(224, 23));
		tag.setTabIndex(1);
		tag.setText("");
		tag.addOnTextChanged(new EventHandler(this.tag_textChanged));

		groupBox1.setLocation(new Point(8, 248));
		groupBox1.setSize(new Point(328, 64));
		groupBox1.setTabIndex(2);
		groupBox1.setTabStop(false);
		groupBox1.setText("Filter");

		filterPrefix.setLocation(new Point(8, 24));
		filterPrefix.setSize(new Point(152, 23));
		filterPrefix.setTabIndex(0);
		filterPrefix.setText("*");

		filterSuffix.setLocation(new Point(160, 24));
		filterSuffix.setSize(new Point(64, 23));
		filterSuffix.setTabIndex(1);
		filterSuffix.setText("_TREND");

		Find.setLocation(new Point(232, 24));
		Find.setSize(new Point(88, 24));
		Find.setTabIndex(2);
		Find.setText("&Find");
		Find.addOnClick(new EventHandler(this.Find_click));

		OK.setLocation(new Point(248, 16));
		OK.setSize(new Point(80, 24));
		OK.setTabIndex(3);
		OK.setText("OK");
		OK.setDialogResult(DialogResult.OK);

		Cancel.setLocation(new Point(248, 48));
		Cancel.setSize(new Point(80, 24));
		Cancel.setTabIndex(4);
		Cancel.setText("Cancel");
		Cancel.setDialogResult(DialogResult.CANCEL);

		this.setText("Tag Browser");
		this.setAcceptButton(OK);
		this.setAutoScaleBaseSize(new Point(7, 16));
		this.setBorderStyle(FormBorderStyle.FIXED_DIALOG);
		this.setCancelButton(Cancel);
		this.setClientSize(new Point(346, 327));
		this.setControlBox(false);
		this.setMaximizeBox(false);
		this.setMinimizeBox(false);
		this.setShowInTaskbar(false);

		this.setNewControls(new Control[] {
							Cancel, 
							OK, 
							groupBox1, 
							tag, 
							tagList});
		groupBox1.setNewControls(new Control[] {
								 filterSuffix, 
								 filterPrefix, 
								 Find});
	}

	/**
	 * 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 BrowserDlg());
	}
}