dockingoptionpane.java

用java 编写的源码开放的文本编辑器。有很多有用的特性

/*
 * DockingOptionPane.java - Dockable window options panel
 * :tabSize=8:indentSize=8:noTabs=false:
 * :folding=explicit:collapseFolds=1:
 *
 * Copyright (C) 2000, 2001, 2002 Slava Pestov
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package org.gjt.sp.jedit.options;

//{{{ Imports
import javax.swing.table.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.Vector;
import org.gjt.sp.jedit.gui.*;
import org.gjt.sp.jedit.*;
//}}}

//{{{ DockingOptionPane class
public class DockingOptionPane extends AbstractOptionPane
{
	//{{{ DockingOptionPane constructor
	public DockingOptionPane()
	{
		super("docking");
	} //}}}

	//{{{ _init() method
	public void _init()
	{
		addSeparator("options.docking.viewLayout");

		layoutIcon1 = GUIUtilities.loadIcon("dock_layout1.png");
		layoutIcon2 = GUIUtilities.loadIcon("dock_layout2.png");
		layoutIcon3 = GUIUtilities.loadIcon("dock_layout3.png");
		layoutIcon4 = GUIUtilities.loadIcon("dock_layout4.png");

		JPanel layoutPanel = new JPanel(new VariableGridLayout(
			VariableGridLayout.FIXED_NUM_COLUMNS,1,
			6,6));

		if(jEdit.getBooleanProperty("view.docking.alternateLayout"))
		{
			layout = new JLabel(jEdit.getBooleanProperty(
				"view.toolbar.alternateLayout")
				? layoutIcon4 : layoutIcon2);
		}
		else
		{
			layout = new JLabel(jEdit.getBooleanProperty(
				"view.toolbar.alternateLayout")
				? layoutIcon3 : layoutIcon1);
		}

		layoutPanel.add(layout);

		layoutPanel.add(alternateDockingLayout = new JButton(jEdit.getProperty(
			"options.docking.alternateDockingLayout")));
		alternateDockingLayout.addActionListener(new ActionHandler());
		layoutPanel.add(alternateToolBarLayout = new JButton(jEdit.getProperty(
			"options.docking.alternateToolBarLayout")));
		alternateToolBarLayout.addActionListener(new ActionHandler());

		// center the layout panel
		GridBagConstraints cons = new GridBagConstraints();
		cons.gridy = y++;
		cons.gridwidth = GridBagConstraints.REMAINDER;
		cons.fill = GridBagConstraints.BOTH;
		cons.weightx = 1.0f;
		gridBag.setConstraints(layoutPanel,cons);
		add(layoutPanel);

		addSeparator("options.docking.windowDocking");

		cons = new GridBagConstraints();
		cons.gridy = y++;
		cons.gridwidth = cons.gridheight = GridBagConstraints.REMAINDER;
		cons.fill = GridBagConstraints.BOTH;
		cons.weightx = cons.weighty = 1.0f;

		JScrollPane windowScroller = createWindowTableScroller();
		gridBag.setConstraints(windowScroller,cons);
		add(windowScroller);
	} //}}}

	//{{{ _save() method
	public void _save()
	{
		jEdit.setBooleanProperty("view.docking.alternateLayout",
			layout.getIcon() == layoutIcon2
			|| layout.getIcon() == layoutIcon4);
		jEdit.setBooleanProperty("view.toolbar.alternateLayout",
			layout.getIcon() == layoutIcon3
			|| layout.getIcon() == layoutIcon4);
		windowModel.save();
	} //}}}

	//{{{ Private members

	//{{{ Instance variables
	private JLabel layout;
	private Icon layoutIcon1, layoutIcon2, layoutIcon3, layoutIcon4;
	private JButton alternateDockingLayout, alternateToolBarLayout;
	private JTable windowTable;
	private WindowTableModel windowModel;
	//}}}

	//{{{ createWindowTableScroller() method
	private JScrollPane createWindowTableScroller()
	{
		windowModel = createWindowModel();
		windowTable = new JTable(windowModel);
		windowTable.getTableHeader().setReorderingAllowed(false);
		windowTable.setColumnSelectionAllowed(false);
		windowTable.setRowSelectionAllowed(false);
		windowTable.setCellSelectionEnabled(false);

		DockPositionCellRenderer comboBox = new DockPositionCellRenderer();
		windowTable.setRowHeight(comboBox.getPreferredSize().height);
		TableColumn column = windowTable.getColumnModel().getColumn(1);
		column.setCellRenderer(comboBox);
		column.setCellEditor(new DefaultCellEditor(new DockPositionCellRenderer()));

		Dimension d = windowTable.getPreferredSize();
		d.height = Math.min(d.height,50);
		JScrollPane scroller = new JScrollPane(windowTable);
		scroller.setPreferredSize(d);
		return scroller;
	} //}}}

	//{{{ createWindowModel() method
	private WindowTableModel createWindowModel()
	{
		return new WindowTableModel();
	} //}}}

	//}}}

	//{{{ ActionHandler class
	class ActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			if(evt.getSource() == alternateDockingLayout)
			{
				if(layout.getIcon() == layoutIcon1)
					layout.setIcon(layoutIcon2);
				else if(layout.getIcon() == layoutIcon2)
					layout.setIcon(layoutIcon1);
				else if(layout.getIcon() == layoutIcon3)
					layout.setIcon(layoutIcon4);
				else if(layout.getIcon() == layoutIcon4)
					layout.setIcon(layoutIcon3);
			}
			else if(evt.getSource() == alternateToolBarLayout)
			{
				if(layout.getIcon() == layoutIcon1)
					layout.setIcon(layoutIcon3);
				else if(layout.getIcon() == layoutIcon3)
					layout.setIcon(layoutIcon1);
				else if(layout.getIcon() == layoutIcon2)
					layout.setIcon(layoutIcon4);
				else if(layout.getIcon() == layoutIcon4)
					layout.setIcon(layoutIcon2);
			}
		}
	} //}}}

	//{{{ DockPositionCellRenderer class
	class DockPositionCellRenderer extends JComboBox
		implements TableCellRenderer
	{
		DockPositionCellRenderer()
		{
			super(new String[] {
				DockableWindowManager.FLOATING,
				DockableWindowManager.TOP,
				DockableWindowManager.LEFT,
				DockableWindowManager.BOTTOM,
				DockableWindowManager.RIGHT
			});
			DockPositionCellRenderer.this.setRequestFocusEnabled(false);
		}

		public Component getTableCellRendererComponent(JTable table,
			Object value, boolean isSelected, boolean hasFocus,
			int row, int column)
		{
			setSelectedItem(value);
			return this;
		}
	} //}}}
} //}}}

//{{{ WindowTableModel class
class WindowTableModel extends AbstractTableModel
{
	private Vector windows;

	//{{{ WindowTableModel constructor
	WindowTableModel()
	{
		windows = new Vector();

		String[] dockables = DockableWindowManager.getRegisteredDockableWindows();
		for(int i = 0; i < dockables.length; i++)
		{
			windows.addElement(new Entry(dockables[i]));
		}

		sort();
	} //}}}

	//{{{ sort() method
	public void sort()
	{
		MiscUtilities.quicksort(windows,new WindowCompare());
		fireTableDataChanged();
	} //}}}

	//{{{ getColumnCount() method
	public int getColumnCount()
	{
		return 2;
	} //}}}

	//{{{ getRowCount() method
	public int getRowCount()
	{
		return windows.size();
	} //}}}

	//{{{ getColumnClass() method
	public Class getColumnClass(int col)
	{
		switch(col)
		{
		case 0:
		case 1:
			return String.class;
		default:
			throw new InternalError();
		}
	} //}}}

	//{{{ getValueAt() method
	public Object getValueAt(int row, int col)
	{
		Entry window = (Entry)windows.elementAt(row);
		switch(col)
		{
		case 0:
			return window.title;
		case 1:
			return window.dockPosition;
		default:
			throw new InternalError();
		}
	} //}}}

	//{{{ isCellEditable() method
	public boolean isCellEditable(int row, int col)
	{
		return (col != 0);
	} //}}}

	//{{{ setValueAt() method
	public void setValueAt(Object value, int row, int col)
	{
		if(col == 0)
			return;

		Entry window = (Entry)windows.elementAt(row);
		switch(col)
		{
		case 1:
			window.dockPosition = (String)value;
			break;
		default:
			throw new InternalError();
		}

		fireTableRowsUpdated(row,row);
	} //}}}

	//{{{ getColumnName() method
	public String getColumnName(int index)
	{
		switch(index)
		{
		case 0:
			return jEdit.getProperty("options.docking.title");
		case 1:
			return jEdit.getProperty("options.docking.dockPosition");
		default:
			throw new InternalError();
		}
	} //}}}

	//{{{ save() method
	public void save()
	{
		for(int i = 0; i < windows.size(); i++)
		{
			((Entry)windows.elementAt(i)).save();
		}
	} //}}}

	//{{{ Entry class
	class Entry
	{
		String name;
		String title;
		String dockPosition;

		Entry(String name)
		{
			this.name = name;
			title = jEdit.getProperty(name + ".title");
			if(title == null)
				title = name;

			dockPosition = jEdit.getProperty(name + ".dock-position");
			if(dockPosition == null)
				dockPosition = DockableWindowManager.FLOATING;
		}

		void save()
		{
			jEdit.setProperty(name + ".dock-position",dockPosition);
		}
	} //}}}

	//{{{ WindowCompare class
	class WindowCompare implements MiscUtilities.Compare
	{
		public int compare(Object obj1, Object obj2)
		{
			Entry e1 = (Entry)obj1;
			Entry e2 = (Entry)obj2;

			return MiscUtilities.compareStrings(
				e1.title,e2.title,true);
		}
	} //}}}
} //}}}