searchdialog.java

Java写的文本编辑器

		wrap= new JCheckBox(jEdit.getProperty("search.wrap"));
		wrap.setMnemonic(jEdit.getProperty("search.wrap.mnemonic")
			.charAt(0));
		searchSettings.add(wrap);
		wrap.addActionListener(actionHandler);

		return searchSettings;
	}

	private JPanel createMultiFilePanel()
	{
		JPanel multifile = new JPanel();

		GridBagLayout layout = new GridBagLayout();
		multifile.setLayout(layout);

		GridBagConstraints cons = new GridBagConstraints();
		cons.gridy = cons.gridwidth = cons.gridheight = 1;
		cons.anchor = GridBagConstraints.WEST;
		cons.fill = GridBagConstraints.HORIZONTAL;

		MultiFileActionHandler actionListener = new MultiFileActionHandler();
		filter = new HistoryTextField("search.filter");
		filter.addActionListener(actionListener);

		cons.insets = new Insets(0,0,3,0);

		JLabel label = new JLabel(jEdit.getProperty("search.filterField"),
			SwingConstants.RIGHT);
		label.setBorder(new EmptyBorder(0,0,0,12));
		label.setDisplayedMnemonic(jEdit.getProperty("search.filterField.mnemonic")
			.charAt(0));
		label.setLabelFor(filter);
		cons.weightx = 0.0f;
		layout.setConstraints(label,cons);
		multifile.add(label);

		cons.insets = new Insets(0,0,3,6);
		cons.weightx = 1.0f;
		layout.setConstraints(filter,cons);
		multifile.add(filter);

		cons.gridy++;

		directory = new HistoryTextField("search.directory");
		directory.addActionListener(actionListener);

		label = new JLabel(jEdit.getProperty("search.directoryField"),
			SwingConstants.RIGHT);
		label.setBorder(new EmptyBorder(0,0,0,12));

		label.setDisplayedMnemonic(jEdit.getProperty("search.directoryField.mnemonic")
			.charAt(0));
		label.setLabelFor(directory);
		cons.insets = new Insets(0,0,3,0);
		cons.weightx = 0.0f;
		layout.setConstraints(label,cons);
		multifile.add(label);

		cons.insets = new Insets(0,0,3,6);
		cons.weightx = 1.0f;
		cons.gridwidth = 2;
		layout.setConstraints(directory,cons);
		multifile.add(directory);

		choose = new JButton(jEdit.getProperty("search.choose"));
		choose.setMnemonic(jEdit.getProperty("search.choose.mnemonic")
			.charAt(0));
		cons.insets = new Insets(0,0,3,0);
		cons.weightx = 0.0f;
		cons.gridwidth = 1;
		layout.setConstraints(choose,cons);
		multifile.add(choose);
		choose.addActionListener(actionListener);

		cons.insets = new Insets(0,0,0,0);
		cons.gridy++;
		cons.gridwidth = 4;

		searchSubDirectories = new JCheckBox(jEdit.getProperty(
			"search.subdirs"));
		searchSubDirectories.setMnemonic(jEdit.getProperty("search.subdirs.mnemonic")
			.charAt(0));
		layout.setConstraints(searchSubDirectories,cons);
		multifile.add(searchSubDirectories);

		return multifile;
	}

	private Box createButtonsPanel()
	{
		Box box = new Box(BoxLayout.Y_AXIS);

		ButtonActionHandler actionHandler = new ButtonActionHandler();

		box.add(Box.createVerticalStrut(12));

		JPanel grid = new JPanel(new GridLayout(5,1,0,12));

		findBtn = new JButton(jEdit.getProperty("search.findBtn"));
		getRootPane().setDefaultButton(findBtn);
		grid.add(findBtn);
		findBtn.addActionListener(actionHandler);

		replaceBtn = new JButton(jEdit.getProperty("search.replaceBtn"));
		replaceBtn.setMnemonic(jEdit.getProperty("search.replaceBtn.mnemonic")
			.charAt(0));
		grid.add(replaceBtn);
		replaceBtn.addActionListener(actionHandler);

		replaceAndFindBtn = new JButton(jEdit.getProperty("search.replaceAndFindBtn"));
		replaceAndFindBtn.setMnemonic(jEdit.getProperty("search.replaceAndFindBtn.mnemonic")
			.charAt(0));
		grid.add(replaceAndFindBtn);
		replaceAndFindBtn.addActionListener(actionHandler);

		replaceAllBtn = new JButton(jEdit.getProperty("search.replaceAllBtn"));
		replaceAllBtn.setMnemonic(jEdit.getProperty("search.replaceAllBtn.mnemonic")
			.charAt(0));
		grid.add(replaceAllBtn);
		replaceAllBtn.addActionListener(actionHandler);

		closeBtn = new JButton(jEdit.getProperty("common.close"));
		grid.add(closeBtn);
		closeBtn.addActionListener(actionHandler);

		grid.setMaximumSize(grid.getPreferredSize());

		box.add(grid);
		box.add(Box.createGlue());

		return box;
	}

	private void updateEnabled()
	{
		boolean replaceEnabled = !hyperSearch.isSelected();

		stringReplace.setEnabled(replaceEnabled);
		beanShellReplace.setEnabled(replaceEnabled);
		replace.setEnabled(replaceEnabled);
		replaceBtn.setEnabled(replaceEnabled);
		replaceAndFindBtn.setEnabled(replaceEnabled);
		replaceAllBtn.setEnabled(replaceEnabled);
		wrap.setEnabled(replaceEnabled);

		boolean reverseEnabled = replaceEnabled
			&& searchCurrentBuffer.isSelected();
		searchBack.setEnabled(reverseEnabled);
		searchForward.setEnabled(reverseEnabled);

		boolean regexpEnabled = (hyperSearch.isSelected()
			|| !(searchBack.isEnabled() && searchBack.isSelected()));
		regexp.setEnabled(regexpEnabled);

		filter.setEnabled(searchAllBuffers.isSelected()
			|| searchDirectory.isSelected());

		boolean directoryEnabled = searchDirectory.isSelected();

		directory.setEnabled(directoryEnabled);
		choose.setEnabled(directoryEnabled);
		searchSubDirectories.setEnabled(directoryEnabled);
	}

	private boolean save()
	{
		String filter = this.filter.getText();
		this.filter.addCurrentToHistory();
		if(filter.length() == 0)
			filter = "*";

		SearchFileSet fileset = SearchAndReplace.getSearchFileSet();

		if(searchCurrentBuffer.isSelected())
			fileset = new CurrentBufferSet();
		else if(searchAllBuffers.isSelected())
			fileset = new AllBufferSet(filter);
		else if(searchDirectory.isSelected())
		{
			String directory = this.directory.getText();
			this.directory.addCurrentToHistory();
			boolean recurse = searchSubDirectories.isSelected();

			if(fileset instanceof DirectoryListSet)
			{
				DirectoryListSet dset = (DirectoryListSet)fileset;
				if(!dset.getDirectory().equals(directory)
					|| !dset.getFileFilter().equals(filter)
					|| !dset.isRecursive() == recurse)
					fileset = new DirectoryListSet(directory,filter,recurse);
			}
			else
				fileset = new DirectoryListSet(directory,filter,recurse);
		}
		else
		{
			// can't happen
			fileset = null;
		}

		jEdit.setBooleanProperty("search.keepDialog.toggle",
			keepDialog.isSelected());

		jEdit.setBooleanProperty("search.hypersearch.toggle",
			hyperSearch.isSelected());

		boolean ok = true;

		if(fileset.getBufferCount() == 0)
		{
			// oops
			GUIUtilities.error(this,"empty-fileset",null);
			ok = false;
		}
		else
			SearchAndReplace.setSearchFileSet(fileset);

		if(find.getText().length() != 0)
		{
			find.addCurrentToHistory();
			SearchAndReplace.setSearchString(find.getText());
			replace.addCurrentToHistory();

			SearchAndReplace.setReplaceString(replace.getText());
		}
		else
			ok = false;

		return ok;
	}

	private void closeOrKeepDialog()
	{
		if(keepDialog.isSelected())
			return;
		else
		{
			GUIUtilities.saveGeometry(this,"search");
			setVisible(false);
		}
	}

	// used for the stringReplace and beanShell replace radio buttons,
	// so that the user can press tab to go from the find field to the
	// replace field in one go
	class MyJRadioButton extends JRadioButton
	{
		MyJRadioButton(String label)
		{
			super(label);
		}

		public boolean isFocusTraversable()
		{
			return false;
		}
	}

	class ReplaceActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			replace.setModel(beanShellReplace.isSelected()
				? "replace.script"
				: "replace");
			SearchAndReplace.setBeanShellReplace(
				beanShellReplace.isSelected());
		}
	}

	class SettingsActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			Object source = evt.getSource();

			if(source == ignoreCase)
				SearchAndReplace.setIgnoreCase(ignoreCase.isSelected());
			else if(source == regexp)
				SearchAndReplace.setRegexp(regexp.isSelected());
			else if(source == searchBack || source == searchForward)
				SearchAndReplace.setReverseSearch(searchBack.isSelected());
			else if(source == wrap)
				SearchAndReplace.setAutoWrapAround(wrap.isSelected());

			updateEnabled();
		}
	}

	class MultiFileActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			if(evt.getSource() == choose)
			{
				File dir = new File(directory.getText());
				JFileChooser chooser = new JFileChooser(dir.getParent());
				chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
				chooser.setSelectedFile(dir);

				if(chooser.showOpenDialog(SearchDialog.this)
					== JFileChooser.APPROVE_OPTION)
					directory.setText(chooser.getSelectedFile().getPath());
			}
			else // source is directory or filter field
			{
				// just as if Enter was pressed in another
				// text field
				ok();
			}
		}
	}

	class ButtonActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			Object source = evt.getSource();

			if(source == closeBtn)
				cancel();
			else if(source == findBtn || source == find
				|| source == replace)
			{
				ok();
			}
			else if(source == replaceBtn)
			{
				save();
				if(SearchAndReplace.replace(view))
					closeOrKeepDialog();
				else
					getToolkit().beep();
			}
			else if(source == replaceAndFindBtn)
			{
				save();
				if(SearchAndReplace.replace(view))
					ok();
				else
					getToolkit().beep();
			}
			else if(source == replaceAllBtn)
			{
				setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

				save();
				if(SearchAndReplace.replaceAll(view))
					closeOrKeepDialog();
				else
					getToolkit().beep();

				setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
			}
		}
	}
}