codecompletionconfigdialog.java

java 调用windows的api

package org.jawin.browser.dialog;

import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import org.jawin.browser.codecompletion.*;

/**
 * A dialog that caters for configuring the XSL code completion
 * system
 *
 * <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 CodeCompletionConfigDialog extends CenteredDialog
{
	private JPanel basePanel = new JPanel();
	private BorderLayout borderLayout = new BorderLayout();
	private JPanel topPanel = new JPanel();
	private JPanel buttonPanel = new JPanel();
	private JButton okButton = new JButton();
	private BorderLayout borderLayout1 = new BorderLayout();
	private JButton deleteButton = new JButton();
	private JButton newButton = new JButton();
	private JSplitPane splitPane = new JSplitPane();
	private JScrollPane listScrollPane = new JScrollPane();
	private JScrollPane editScrollPane = new JScrollPane();
	private CodeCompletionList list = new CodeCompletionList();
	private JTextArea textArea = new JTextArea();
	private JPanel rightPanel = new JPanel();
	private BorderLayout borderLayout2 = new BorderLayout();
	private JPanel leftPanel = new JPanel();
	private FlowLayout flowLayout1 = new FlowLayout();
	private CodeConfigDocumentListener docListener = new CodeConfigDocumentListener(list, textArea);

	public CodeCompletionConfigDialog(Frame owner, String title, boolean modal)
	{
		super(owner, title, modal);
		try
		{
			jbInit();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}

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

	private void jbInit() throws Exception
	{
		this.setSize(new Dimension(400, 350));
		basePanel.setLayout(borderLayout);
		okButton.setText("OK");
		okButton.setPreferredSize(BUTTON_DIMENSION);
		buttonPanel.setLayout(borderLayout2);
		topPanel.setLayout(borderLayout1);
		deleteButton.setEnabled(false);
		deleteButton.setText("Delete");
		deleteButton.setPreferredSize(BUTTON_DIMENSION);
		newButton.setText("New");
		newButton.setPreferredSize(BUTTON_DIMENSION);
		splitPane.setOrientation(JSplitPane.VERTICAL_SPLIT);
		textArea.setLineWrap(true);
		textArea.setTabSize(4);
		leftPanel.setLayout(flowLayout1);
		flowLayout1.setAlignment(FlowLayout.LEFT);
		this.getContentPane().add(basePanel, BorderLayout.CENTER);
		basePanel.add(topPanel, BorderLayout.CENTER);
		topPanel.add(splitPane, BorderLayout.CENTER);
		splitPane.add(listScrollPane, JSplitPane.LEFT);
		splitPane.add(editScrollPane, JSplitPane.RIGHT);
		basePanel.add(buttonPanel,  BorderLayout.SOUTH);
		listScrollPane.getViewport().add(list, null);
		editScrollPane.getViewport().add(textArea, null);
		buttonPanel.add(rightPanel, BorderLayout.EAST);
		rightPanel.add(okButton, null);
		buttonPanel.add(leftPanel, BorderLayout.CENTER);
		leftPanel.add(newButton, null);
		leftPanel.add(deleteButton, null);
		splitPane.setDividerLocation(150);
		textArea.setEditable(false);
		textArea.setEnabled(false);
		textArea.setBackground(SystemColor.control);

		registerListeners();
	}

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

		deleteButton.addActionListener(new java.awt.event.ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				deleteConfig();
			}
		});

		okButton.addActionListener(new java.awt.event.ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				ok();
			}
		});

		list.addListSelectionListener(new ListSelectionListener()
		{
			public void valueChanged(ListSelectionEvent e)
			{
				listSelectionChanged();
			}
		});

	}

	/**
	 * Create a new code completion entry
	 */
	private void newConfig()
	{
		String newName = JOptionPane.showInputDialog(this, "Please enter a name for this code completion entry",
				"New code completion", JOptionPane.QUESTION_MESSAGE);

		if (newName != null && !newName.trim().equals(""))
		{
			newName = newName.trim();
			CodeCompletionConfig config = new CodeCompletionConfig(newName, "");
			list.addConfig(config);
			list.clearSelection();
		}
	}

	/**
	 * Delete the selected config item
	 */
	private void deleteConfig()
	{
		CodeCompletionConfig config = (CodeCompletionConfig) list.getSelectedValue();

		if (config != null)
		{
			list.removeConfig(config);
			list.clearSelection();
		}
	}

	/**
	 * OK this dialog, saving changes
	 */
	private void ok()
	{
		saveConfig();
		dispose();
	}

	/**
	 * Save the configuration to disk and to the code completion manager
	 */
	private void saveConfig()
	{
		CodeCompletionManager.getInstance().persist();
	}

	/**
	 * Fired when the list selection changes
	 */
	private void listSelectionChanged()
	{
		CodeCompletionConfig config = (CodeCompletionConfig) list.getSelectedValue();

		if (config == null)
		{
			textArea.setEditable(false);
			textArea.setEnabled(false);
			textArea.setBackground(SystemColor.control);
			textArea.setText("");
			deleteButton.setEnabled(false);
		}
		else
		{
			textArea.setEditable(true);
			textArea.setEnabled(true);
			textArea.setBackground(Color.white);
			textArea.setText(config.getCode());
			textArea.setCaretPosition(0);
			deleteButton.setEnabled(true);
		}

	}
}