/[svn]/jsampler/trunk/src/org/jsampler/view/fantasia/MainPane.java
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Revision 1785 - (hide annotations) (download)
Tue Oct 7 00:07:14 2008 UTC (15 years, 6 months ago) by iliev
File size: 10023 byte(s)
* Fantasia: Implemented multiple channels panels
* Fantasia: Refactoring - all basic UI components moved to
  org.jsampler.view.fantasia.basic package

1 iliev 1286 /*
2     * JSampler - a java front-end for LinuxSampler
3     *
4 iliev 1785 * Copyright (C) 2005-2008 Grigor Iliev <grigor@grigoriliev.com>
5 iliev 1286 *
6     * This file is part of JSampler.
7     *
8     * JSampler is free software; you can redistribute it and/or modify
9     * it under the terms of the GNU General Public License version 2
10     * as published by the Free Software Foundation.
11     *
12     * JSampler is distributed in the hope that it will be useful,
13     * but WITHOUT ANY WARRANTY; without even the implied warranty of
14     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     * GNU General Public License for more details.
16     *
17     * You should have received a copy of the GNU General Public License
18     * along with JSampler; if not, write to the Free Software
19     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20     * MA 02111-1307 USA
21     */
22    
23     package org.jsampler.view.fantasia;
24    
25     import java.awt.Cursor;
26     import java.awt.Dimension;
27     import java.awt.Graphics;
28     import java.awt.GridBagConstraints;
29     import java.awt.GridBagLayout;
30     import java.awt.Insets;
31 iliev 1318 import java.awt.Rectangle;
32 iliev 1286
33     import java.awt.event.ActionEvent;
34     import java.awt.event.ActionListener;
35 iliev 1318 import java.awt.event.HierarchyEvent;
36     import java.awt.event.HierarchyListener;
37 iliev 1286 import java.awt.event.MouseAdapter;
38     import java.awt.event.MouseEvent;
39    
40 iliev 1785 import java.util.Vector;
41    
42     import javax.swing.AbstractButton;
43 iliev 1318 import javax.swing.BorderFactory;
44 iliev 1286 import javax.swing.Box;
45     import javax.swing.BoxLayout;
46     import javax.swing.JPanel;
47 iliev 1318 import javax.swing.JScrollPane;
48 iliev 1785 import javax.swing.JToggleButton;
49 iliev 1286
50     import org.jsampler.CC;
51 iliev 1785 import org.jsampler.view.JSChannelsPane;
52     import org.jsampler.view.fantasia.basic.*;
53 iliev 1286
54     import static org.jsampler.view.fantasia.FantasiaI18n.i18n;
55    
56    
57     /**
58     *
59     * @author Grigor Iliev
60     */
61 iliev 1778 public class MainPane extends FantasiaPanel {
62 iliev 1785 private final int CHANNELS_PANEL_NUMBER = 4;
63     private final ChannelsBar channelsBar;
64     private final ButtonsPanel buttonsPanel;
65     private final Vector<ChannelsPanel> channelsPanes = new Vector<ChannelsPanel>();
66 iliev 1286
67 iliev 1785 final JScrollPane scrollPane = new JScrollPane();
68 iliev 1318
69 iliev 1286 /** Creates a new instance of <code>MainPane</code> */
70     public MainPane() {
71 iliev 1778 setOpaque(false);
72 iliev 1318
73 iliev 1785 for(int i = 0; i < CHANNELS_PANEL_NUMBER; i++) {
74     channelsPanes.add(new ChannelsPanel());
75     }
76    
77     buttonsPanel = new ButtonsPanel();
78     channelsBar = new ChannelsBar(buttonsPanel);
79 iliev 1286 GridBagLayout gridbag = new GridBagLayout();
80     GridBagConstraints c = new GridBagConstraints();
81    
82     setLayout(gridbag);
83    
84 iliev 1778 JPanel p = new FantasiaPanel();
85     p.setOpaque(false);
86 iliev 1318 p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
87     p.add(channelsBar);
88     p.add(Box.createGlue());
89    
90 iliev 1286 c.gridx = 0;
91     c.gridy = 0;
92     c.weightx = 1.0;
93 iliev 1318 c.insets = new Insets(0, 0, 0, 0);
94 iliev 1286 c.fill = GridBagConstraints.HORIZONTAL;
95 iliev 1318 gridbag.setConstraints(p, c);
96     add(p);
97 iliev 1286
98 iliev 1318 JScrollPane sp = scrollPane;
99     sp.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
100     //sp.putClientProperty(SCROLL_PANE_BUTTONS_POLICY, ScrollPaneButtonPolicyKind.NONE);
101     sp.setBorder(BorderFactory.createEmptyBorder());
102     sp.setOpaque(false);
103     javax.swing.JViewport wp = sp.getViewport();
104 iliev 1323 wp.setMinimumSize(new Dimension(400, wp.getMinimumSize().height));
105 iliev 1318 wp.setOpaque(false);
106     sp.setMaximumSize(new Dimension(sp.getMaximumSize().width, Short.MAX_VALUE));
107     sp.getVerticalScrollBar().setBorder(BorderFactory.createEmptyBorder(7, 4, 0, 1));
108     //sp.getVerticalScrollBar().setUnitIncrement(12);
109     sp.setPreferredSize(new Dimension(420, sp.getPreferredSize().height));
110    
111     sp.getVerticalScrollBar().addHierarchyListener(new HierarchyListener() {
112     public void
113     hierarchyChanged(HierarchyEvent e) {
114     if((e.getChangeFlags() & e.SHOWING_CHANGED) != e.SHOWING_CHANGED) {
115     return;
116     }
117    
118     onScrollBarVisibilityChanged();
119     }
120     });
121    
122 iliev 1286 c.gridx = 0;
123     c.gridy = 2;
124     c.weightx = 1.0;
125     c.weighty = 1.0;
126     c.insets = new Insets(0, 0, 0, 0);
127     c.fill = GridBagConstraints.BOTH;
128 iliev 1318 gridbag.setConstraints(sp, c);
129     add(sp);
130 iliev 1286
131 iliev 1323 setMaximumSize(new Dimension(420, Short.MAX_VALUE));
132 iliev 1286 }
133    
134 iliev 1318 private void
135     onScrollBarVisibilityChanged() {
136 iliev 1323 int w = 420;
137 iliev 1318 int h = scrollPane.getPreferredSize().height;
138     int scrollbarWidth = scrollPane.getVerticalScrollBar().getPreferredSize().width;
139    
140 iliev 1323 if(scrollPane.getVerticalScrollBar().isVisible()) w += scrollbarWidth;
141    
142     scrollPane.setMinimumSize(new Dimension(w, scrollPane.getPreferredSize().height));
143     scrollPane.setPreferredSize(new Dimension(w, h));
144     scrollPane.setMaximumSize(new Dimension(w, Short.MAX_VALUE));
145     setMaximumSize(new Dimension(w, Short.MAX_VALUE));
146    
147     if(CC.getMainFrame() != null && !CC.getMainFrame().isResizable()) {
148     // this means that there are no visible side panes
149    
150     w = CC.getMainFrame().getPreferredSize().width;
151     CC.getMainFrame().setSize(w, CC.getMainFrame().getHeight());
152 iliev 1318 }
153    
154     revalidate();
155     }
156    
157     public void
158     scrollToBottom() {
159     int h = scrollPane.getViewport().getView().getHeight();
160     scrollPane.getViewport().scrollRectToVisible(new Rectangle(0, h - 2, 1, 1));
161     }
162    
163 iliev 1785 public JSChannelsPane
164     getChannelsPane(int index) { return channelsPanes.get(index).getChannelsPane(); }
165 iliev 1286
166 iliev 1785 public int
167     getChannelsPaneCount() { return channelsPanes.size(); }
168    
169     public void
170     setSelectedChannelsPane(JSChannelsPane pane) {
171     ChannelsPanel chnPanel = null;
172    
173     for(int i = 0; i < getChannelsPaneCount(); i++) {
174     if(channelsPanes.get(i).getChannelsPane() == pane) {
175     chnPanel = channelsPanes.get(i);
176    
177     if(!buttonsPanel.buttons.get(i).isSelected()) {
178     buttonsPanel.buttons.get(i).setSelected(true);
179     }
180    
181     break;
182     }
183     }
184    
185     if(chnPanel == null) {
186     CC.getLogger().warning("Unknown channels pane");
187     return;
188     }
189    
190     scrollPane.getViewport().setView(chnPanel);
191     }
192    
193     public JSChannelsPane
194     getSelectedChannelsPane() {
195     for(int i = 0; i < getChannelsPaneCount(); i++) {
196     if(buttonsPanel.buttons.get(i).isSelected()) {
197     return channelsPanes.get(i).getChannelsPane();
198     }
199     }
200    
201     return null;
202     }
203    
204     @Override
205 iliev 1286 protected void
206     paintComponent(Graphics g) {
207     super.paintComponent(g);
208     int h = Res.gfxChannelsBg.getIconHeight();
209     if(h < 1) return;
210     int i = 0;
211     while(i < getHeight()) {
212     Res.gfxChannelsBg.paintIcon(this, g, 0, i);
213     i += h;
214     }
215     }
216    
217 iliev 1776 private final EventHandler eventHandler = new EventHandler();
218    
219     private EventHandler
220     getHandler() { return eventHandler; }
221    
222     private class EventHandler extends MouseAdapter {
223 iliev 1785 @Override
224 iliev 1776 public void
225     mouseClicked(MouseEvent e) {
226 iliev 1785 if(e.getButton() != MouseEvent.BUTTON1) return;
227 iliev 1776 // TAG: channel selection system
228 iliev 1785 CC.getMainFrame().getSelectedChannelsPane().setSelectedChannel(null);
229 iliev 1776 ///////
230     }
231     }
232    
233 iliev 1785 private class ChannelsPanel extends FantasiaPanel {
234     private final JSChannelsPane channelsPane;
235     ChannelsPanel() {
236     ActionListener l = new ActionListener() {
237     public void
238     actionPerformed(ActionEvent e) { scrollToBottom(); }
239     };
240    
241     channelsPane = new ChannelsPane("", l);
242    
243     setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
244     channelsPane.setAlignmentX(LEFT_ALIGNMENT);
245     add(channelsPane);
246     JPanel p2 = new NewChannelPane();
247     p2.setAlignmentX(LEFT_ALIGNMENT);
248     add(p2);
249     add(Box.createGlue());
250     setOpaque(false);
251     setBorder(BorderFactory.createEmptyBorder(7, 0, 0, 0));
252     setMinimumSize(new Dimension(420, getMinimumSize().height));
253     setAlignmentX(LEFT_ALIGNMENT);
254    
255     addMouseListener(getHandler());
256     }
257    
258     public JSChannelsPane
259     getChannelsPane() { return channelsPane; }
260     }
261    
262     private class ButtonsPanel extends FantasiaToggleButtonsPanel implements ActionListener {
263     ButtonsPanel() {
264     super(CHANNELS_PANEL_NUMBER, true);
265     for(int i = 0; i < CHANNELS_PANEL_NUMBER; i++) {
266     JToggleButton btn = buttons.get(i);
267     btn.setText(String.valueOf(i + 1));
268     btn.setBorder(BorderFactory.createEmptyBorder(0, 8, 0, 8));
269     btn.addActionListener(this);
270    
271     String s = "MainPane.ButtonsPanel.tt";
272     btn.setToolTipText(i18n.getButtonLabel(s, i + 1));
273     }
274    
275     setMaximumSize(getPreferredSize());
276     }
277    
278     @Override
279     public void
280     actionPerformed(ActionEvent e) {
281     AbstractButton btn = (AbstractButton)e.getSource();
282     if(!btn.isSelected()) return;
283     int idx = buttons.indexOf(btn);
284     if(idx == -1) return;
285    
286     ChannelsPanel chnPanel = channelsPanes.get(idx);
287     CC.getMainFrame().setSelectedChannelsPane(chnPanel.getChannelsPane());
288     }
289     }
290    
291 iliev 1286 class NewChannelPane extends PixmapPane implements ActionListener {
292     private final PixmapButton btnNew = new PixmapButton(Res.gfxPowerOff);
293    
294     NewChannelPane() {
295     super(Res.gfxCreateChannel);
296     setPixmapInsets(new Insets(3, 3, 3, 3));
297    
298     setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
299 iliev 1732 add(Box.createRigidArea(new Dimension(3, 0)));
300     add(btnNew);
301 iliev 1286 add(Box.createRigidArea(new Dimension(4, 0)));
302    
303     add(createVSeparator());
304    
305     add(Box.createRigidArea(new Dimension(275, 0)));
306    
307     add(createVSeparator());
308    
309     add(Box.createRigidArea(new Dimension(29, 0)));
310    
311     add(createVSeparator());
312    
313     add(Box.createRigidArea(new Dimension(40, 0)));
314    
315     add(createVSeparator());
316    
317     setPreferredSize(new Dimension(420, 29));
318     setMinimumSize(getPreferredSize());
319     setMaximumSize(getPreferredSize());
320    
321     btnNew.setPressedIcon(Res.gfxPowerOn);
322     btnNew.addActionListener(this);
323    
324     addMouseListener(new MouseAdapter() {
325     public void
326     mouseClicked(MouseEvent e) {
327     if(e.getButton() != e.BUTTON1) {
328     return;
329     }
330    
331     CC.getSamplerModel().addBackendChannel();
332     }
333     });
334    
335     setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
336    
337     String s = i18n.getLabel("MainPane.NewChannelPane.newChannel");
338     btnNew.setToolTipText(s);
339     setToolTipText(s);
340     }
341    
342 iliev 1785 @Override
343 iliev 1286 public void
344     actionPerformed(ActionEvent e) {
345     CC.getSamplerModel().addBackendChannel();
346     }
347    
348     private JPanel
349     createVSeparator() {
350     PixmapPane p = new PixmapPane(Res.gfxVLine);
351     p.setOpaque(false);
352     p.setPreferredSize(new Dimension(2, 29));
353     p.setMinimumSize(p.getPreferredSize());
354     p.setMaximumSize(p.getPreferredSize());
355     return p;
356     }
357     }
358     }

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