codegenerationstatusdialog.java

java 调用windows的api

package org.jawin.browser.dialog;

import javax.swing.*;
import java.awt.*;
import javax.swing.border.Border;
import org.jawin.browser.codegen.CodeGenerator;
import java.awt.event.*;

/**
 * Show a progress status of the code generation, called from anotehr thread
 * that is actually doing the work.
 *
 * <p>Title: Jawin Code Generation GUI</p>
 * <p>Description: GUI for exploring type libraries and generating Java code</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: Open Source Incentive</p>
 *
 * @author Josh Passenger
 * @version 1.0
 */

public class CodeGenerationStatusDialog extends CenteredDialog
{
	public static final Color PROGRESS_COLOR = new Color(197, 223, 118);

	private JPanel rootPanel = new JPanel();
	private BorderLayout borderLayout = new BorderLayout();
	private JPanel topPanel = new JPanel();
	private JPanel buttonPanel = new JPanel();
	private JButton cancelButton = new JButton();
	private FlowLayout flowLayout = new FlowLayout();
	private BorderLayout topPanelBorderLayout = new BorderLayout();
	private JProgressBar progressBar = new JProgressBar();
	private JLabel statusLabel = new JLabel();
	private StringBuffer labelBuffer = new StringBuffer();
	private String baseText = "";
	private CodeGenerator codeGenerator = null;

	public CodeGenerationStatusDialog(Frame owner, String title, boolean modal)
	{
		super(owner, title, modal);

		try
		{
			jbInit();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}

	public CodeGenerationStatusDialog()
	{
		try
		{
			jbInit();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}

	private void jbInit() throws Exception
	{
		setResizable(false);
		setSize(new Dimension(507, 122));
		rootPanel.setLayout(borderLayout);
		cancelButton.setText("Cancel");

		buttonPanel.setLayout(flowLayout);
		flowLayout.setAlignment(FlowLayout.RIGHT);
		topPanel.setLayout(topPanelBorderLayout);
		progressBar.setFont(new java.awt.Font("Dialog", 0, 10));
//		progressBar.setForeground(PROGRESS_COLOR);
		progressBar.setString("");
		progressBar.setStringPainted(true);
		statusLabel.setBorder(BorderFactory.createEmptyBorder(0,5,0,0));
		getContentPane().add(rootPanel, BorderLayout.CENTER);
		rootPanel.add(topPanel, BorderLayout.CENTER);
		rootPanel.add(buttonPanel,  BorderLayout.SOUTH);
		buttonPanel.add(cancelButton, null);
		topPanel.add(progressBar,  BorderLayout.SOUTH);
		topPanel.add(statusLabel, BorderLayout.CENTER);
		registerListeners();
	}

	private void registerListeners()
	{
		cancelButton.addActionListener(new java.awt.event.ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				cancel();
			}
		});
	}

	public void setText(String newLabel)
	{
		labelBuffer.setLength(0);
		labelBuffer.append(baseText).append(newLabel);
		statusLabel.setText(labelBuffer.toString());
	}


	public void setBaseText(String newBaseText)
	{
		baseText = newBaseText;
	}

	public void tickProgressBar()
	{
		progressBar.setValue(progressBar.getValue() + 1);
		StringBuffer buffer = new StringBuffer();
		buffer.append(progressBar.getValue()).append(" of ").append(progressBar.getMaximum());
		progressBar.setString(buffer.toString());
	}

	public void setMaximumAndReset(int newMaximum)
	{
		progressBar.setValue(0);
		progressBar.setMaximum(newMaximum);
	}

	/**
	 * Asjk the code geenrator to stop, this will cause
	 * the dialog to close as well
	 */
	private void cancel()
	{
		codeGenerator.pleaseStop();
	}

	public void show(CodeGenerator newCodeGenerator)
	{
		codeGenerator = newCodeGenerator;
		codeGenerator.setStatusDialog(this);
		new Thread(codeGenerator).start();
		super.show();
	}
}