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/jEdit/tags/jedit-4-3-pre5/org/gjt/sp/jedit/gui/ColorWellButton.java

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Java | 205 lines | 134 code | 27 blank | 44 comment | 11 complexity | 39d8aa6ea93440f2f34ca1354d1dece0 MD5 | raw file
  1/*
  2 * ColorWellButton.java - Shows color chooser when clicked
  3 * :tabSize=8:indentSize=8:noTabs=false:
  4 * :folding=explicit:collapseFolds=1:
  5 *
  6 * Copyright (C) 2002 Slava Pestov
  7 *
  8 * This program is free software; you can redistribute it and/or
  9 * modify it under the terms of the GNU General Public License
 10 * as published by the Free Software Foundation; either version 2
 11 * of the License, or any later version.
 12 *
 13 * This program is distributed in the hope that it will be useful,
 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16 * GNU General Public License for more details.
 17 *
 18 * You should have received a copy of the GNU General Public License
 19 * along with this program; if not, write to the Free Software
 20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 21 */
 22
 23package org.gjt.sp.jedit.gui;
 24
 25//{{{ Imports
 26import javax.swing.*;
 27import java.awt.event.*;
 28import java.awt.*;
 29import org.gjt.sp.jedit.jEdit;
 30import org.gjt.sp.jedit.GUIUtilities;
 31import org.gjt.sp.jedit.OperatingSystem;
 32//}}}
 33
 34/**
 35 * A button that, when clicked, shows a color chooser.
 36 *
 37 * You can get and set the currently selected color using
 38 * {@link #getSelectedColor()} and {@link #setSelectedColor(Color)}.
 39 * @author Slava Pestov
 40 * @version $Id: ColorWellButton.java 5067 2004-06-28 06:45:27Z spestov $
 41 */
 42public class ColorWellButton extends JButton
 43{
 44	//{{{ ColorWellButton constructor
 45	public ColorWellButton(Color color)
 46	{
 47		setIcon(new ColorWell(color));
 48		setMargin(new Insets(2,2,2,2));
 49		addActionListener(new ActionHandler());
 50
 51		// according to krisk this looks better on OS X...
 52		if(OperatingSystem.isMacOSLF())
 53			putClientProperty("JButton.buttonType","toolbar");
 54	} //}}}
 55
 56	//{{{ getSelectedColor() method
 57	public Color getSelectedColor()
 58	{
 59		return ((ColorWell)getIcon()).color;
 60	} //}}}
 61
 62	//{{{ setSelectedColor() method
 63	public void setSelectedColor(Color color)
 64	{
 65		((ColorWell)getIcon()).color = color;
 66		repaint();
 67	} //}}}
 68
 69	//{{{ ColorWell class
 70	static class ColorWell implements Icon
 71	{
 72		Color color;
 73
 74		ColorWell(Color color)
 75		{
 76			this.color = color;
 77		}
 78
 79		public int getIconWidth()
 80		{
 81			return 35;
 82		}
 83
 84		public int getIconHeight()
 85		{
 86			return 10;
 87		}
 88
 89		public void paintIcon(Component c, Graphics g, int x, int y)
 90		{
 91			if(color == null)
 92				return;
 93
 94			g.setColor(color);
 95			g.fillRect(x,y,getIconWidth(),getIconHeight());
 96			g.setColor(color.darker());
 97			g.drawRect(x,y,getIconWidth()-1,getIconHeight()-1);
 98		}
 99	} //}}}
100
101	//{{{ ActionHandler class
102	class ActionHandler implements ActionListener
103	{
104		public void actionPerformed(ActionEvent evt)
105		{
106			JDialog parent = GUIUtilities.getParentDialog(ColorWellButton.this);
107			JDialog dialog;
108			if (parent != null)
109			{
110				dialog = new ColorPickerDialog(parent,
111					jEdit.getProperty("colorChooser.title"),
112					true);
113			}
114			else
115			{
116				dialog = new ColorPickerDialog(
117					JOptionPane.getFrameForComponent(
118					ColorWellButton.this),
119					jEdit.getProperty("colorChooser.title"),
120					true);
121			}
122			dialog.pack();
123			dialog.setVisible(true);
124		}
125	} //}}}
126
127	//{{{ ColorPickerDialog class
128	/**
129	 * Replacement for the color picker dialog provided with Swing. This version
130	 * supports dialog as well as frame parents.
131	 * @since jEdit 4.1pre7
132	 */
133	private class ColorPickerDialog extends EnhancedDialog implements ActionListener
134	{
135		public ColorPickerDialog(Frame parent, String title, boolean modal)
136		{
137			super(parent,title,modal);
138
139			init();
140		}
141
142		public ColorPickerDialog(Dialog parent, String title, boolean modal)
143		{
144			super(parent,title,modal);
145
146			getContentPane().setLayout(new BorderLayout());
147
148			init();
149		}
150
151		public void ok()
152		{
153			Color c = chooser.getColor();
154			if (c != null)
155				setSelectedColor(c);
156			setVisible(false);
157		}
158
159		public void cancel()
160		{
161			setVisible(false);
162		}
163
164		public void actionPerformed(ActionEvent evt)
165		{
166			if (evt.getSource() == ok)
167				ok();
168			else
169				cancel();
170		}
171
172		//{{{ Private members
173		private JColorChooser chooser;
174		private JButton ok;
175		private JButton cancel;
176
177		private void init()
178		{
179			Color c = getSelectedColor();
180			if(c == null)
181				chooser = new JColorChooser();
182			else
183				chooser = new JColorChooser(c);
184
185			getContentPane().add(BorderLayout.CENTER, chooser);
186
187			Box buttons = new Box(BoxLayout.X_AXIS);
188			buttons.add(Box.createGlue());
189
190			ok = new JButton(jEdit.getProperty("common.ok"));
191			ok.addActionListener(this);
192			buttons.add(ok);
193			buttons.add(Box.createHorizontalStrut(6));
194			getRootPane().setDefaultButton(ok);
195			cancel = new JButton(jEdit.getProperty("common.cancel"));
196			cancel.addActionListener(this);
197			buttons.add(cancel);
198			buttons.add(Box.createGlue());
199
200			getContentPane().add(BorderLayout.SOUTH, buttons);
201			pack();
202			setLocationRelativeTo(getParent());
203		} //}}}
204	} //}}}
205}