Java > Open Source Codes > org > netbeans > swing > tabcontrol > plaf > WinVistaViewTabDisplayerUI


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.swing.tabcontrol.plaf;
21
22 import java.awt.Color ;
23 import java.awt.Component ;
24 import java.awt.Dimension ;
25 import java.awt.Font ;
26 import java.awt.FontMetrics ;
27 import java.awt.Graphics ;
28 import java.awt.Graphics2D ;
29 import java.awt.Insets ;
30 import java.awt.Point ;
31 import java.awt.Rectangle ;
32 import org.netbeans.swing.tabcontrol.TabDisplayer;
33
34 import javax.swing.plaf.ComponentUI ;
35 import java.awt.event.MouseEvent ;
36
37 import java.util.HashMap ;
38 import java.util.Map ;
39 import javax.swing.Icon ;
40 import javax.swing.JComponent ;
41 import javax.swing.UIManager ;
42 import org.netbeans.swing.tabcontrol.event.TabActionEvent;
43
44
45 import org.openide.awt.HtmlRenderer;
46
47 /**
48  * Win Vista-like user interface of view type tabs.
49  *
50  * @author S. Aubrecht
51  */
52 public final class WinVistaViewTabDisplayerUI extends AbstractViewTabDisplayerUI {
53
54     /*********** constants *************/
55
56     /**
57      * Space between text and left side of the tab
58      */
59     private static final int TXT_X_PAD = 9;
60     private static final int TXT_Y_PAD = 3;
61
62     private static final int ICON_X_PAD = 4;
63
64     private static final int BUMP_X_PAD = 3;
65     private static final int BUMP_Y_PAD_UPPER = 6;
66     private static final int BUMP_Y_PAD_BOTTOM = 3;
67
68     /*********** static fields **********/
69     
70     /**
71      * True when colors were already initialized, false otherwise
72      */
73     private static boolean colorsReady = false;
74
75     private static Color
76             unselFillBrightUpperC,
77             unselFillDarkUpperC,
78             unselFillBrightLowerC,
79             unselFillDarkLowerC,
80             selFillC,
81             focusFillUpperC,
82             focusFillBrightLowerC,
83             focusFillDarkLowerC,
84             mouseOverFillBrightUpperC,
85             mouseOverFillDarkUpperC,
86             mouseOverFillBrightLowerC,
87             mouseOverFillDarkLowerC,
88             txtC,
89             borderC,
90             selBorderC,
91             borderInnerC;
92
93     private static Map <Integer , String []> buttonIconPaths;
94     
95     /**
96      * ******** instance fields ********
97      */
98
99     private Dimension prefSize;
100
101     /**
102      * rectangle instance used to speedup recurring computations in painting
103      * methods
104      */
105     private Rectangle tempRect = new Rectangle ();
106
107     /**
108      * Should be constructed only from createUI method.
109      */
110     private WinVistaViewTabDisplayerUI(TabDisplayer displayer) {
111         super(displayer);
112         prefSize = new Dimension (100, 17);
113     }
114
115     public static ComponentUI createUI(JComponent c) {
116         return new WinVistaViewTabDisplayerUI((TabDisplayer)c);
117     }
118      
119     public void installUI (JComponent c) {
120         super.installUI(c);
121         initColors();
122         c.setOpaque(true);
123     }
124
125     protected AbstractViewTabDisplayerUI.Controller createController() {
126         return new OwnController();
127     }
128
129     public Dimension getPreferredSize(JComponent c) {
130         FontMetrics fm = getTxtFontMetrics();
131         int height = fm == null ?
132                 17 : fm.getAscent() + 2 * fm.getDescent() + 3;
133         Insets insets = c.getInsets();
134         prefSize.height = height + insets.bottom + insets.top;
135         return prefSize;
136     }
137
138     protected void paintTabContent(Graphics g, int index, String text, int x,
139                                    int y, int width, int height) {
140         FontMetrics fm = getTxtFontMetrics();
141         // setting font already here to compute string width correctly
142 g.setFont(getTxtFont());
143         if( 0 == index )
144             x++;
145         int txtWidth = width;
146         if (isSelected(index)) {
147             Component buttons = getControlButtons();
148             if( null != buttons ) {
149                 Dimension buttonsSize = buttons.getPreferredSize();
150                 txtWidth = width - (buttonsSize.width + ICON_X_PAD + 2*TXT_X_PAD);
151                 buttons.setLocation( x + txtWidth+2*TXT_X_PAD, y + (height-buttonsSize.height)/2 );
152             }
153         } else {
154             txtWidth = width - 2 * TXT_X_PAD;
155         }
156         
157         // draw bump (dragger)
158 ColorUtil.paintVistaTabDragTexture(getDisplayer(), g, x + BUMP_X_PAD, y
159                  + BUMP_Y_PAD_UPPER, height - (BUMP_Y_PAD_UPPER
160                  + BUMP_Y_PAD_BOTTOM));
161         HtmlRenderer.renderString(text, g, x + TXT_X_PAD, y + fm.getAscent()
162                 + TXT_Y_PAD, txtWidth, height, getTxtFont(),
163                 txtC,
164                 HtmlRenderer.STYLE_TRUNCATE, true);
165     }
166
167     protected void paintTabBorder(Graphics g, int index, int x, int y,
168                                   int width, int height) {
169         boolean isFirst = index == 0;
170         boolean isHighlighted = isTabHighlighted(index);
171
172         g.translate(x, y);
173
174         Color borderColor = isHighlighted ? selBorderC : borderC;
175         g.setColor(borderColor);
176         int left = 0;
177         //left
178 if (isFirst )
179             g.drawLine(0, 0, 0, height - 2);
180         //top
181 g.drawLine(0, 0, width - 1, 0);
182         //right
183 if( index < getDataModel().size()-1 && isTabHighlighted(index+1) )
184             g.setColor( selBorderC );
185         g.drawLine(width - 1, 0, width - 1, height - 2);
186         //bottom
187 g.setColor(borderC);
188         g.drawLine(0, height - 1, width - 1, height - 1);
189         
190         //inner white border
191 g.setColor(borderInnerC);
192         //left
193 if (isFirst)
194             g.drawLine(1, 1, 1, height - 2);
195         else
196             g.drawLine(0, 1, 0, height - 2);
197         //right
198 g.drawLine(width-2, 1, width-2, height - 2);
199         //top
200 g.drawLine(1, 1, width-2, 1);
201
202         g.translate(-x, -y);
203     }
204
205     protected void paintTabBackground(Graphics g, int index, int x, int y,
206                                       int width, int height) {
207         // shrink rectangle - don't affect border and tab header
208 y += 2;
209         height -= 2;
210         // background body, colored according to state
211 boolean selected = isSelected(index);
212         boolean focused = selected && isActive();
213         boolean attention = isAttention(index);
214         boolean mouseOver = isMouseOver(index);
215         if (focused && !attention) {
216             ColorUtil.vistaFillRectGradient((Graphics2D ) g, x, y, width, height,
217                                          focusFillUpperC,
218                                          focusFillBrightLowerC, focusFillDarkLowerC );
219         } else if (selected && !attention) {
220             g.setColor(selFillC);
221             g.fillRect(x, y, width, height);
222         } else if (mouseOver && !attention) {
223             ColorUtil.vistaFillRectGradient((Graphics2D ) g, x, y, width, height,
224                                          mouseOverFillBrightUpperC, mouseOverFillDarkUpperC,
225                                          mouseOverFillBrightLowerC, mouseOverFillDarkLowerC );
226         } else if (attention) {
227             Color a = new Color (255, 255, 128);
228             Color b = new Color (230, 200, 64);
229             ColorUtil.xpFillRectGradient((Graphics2D ) g, x, y, width, height, a, b);
230         } else {
231             ColorUtil.vistaFillRectGradient((Graphics2D ) g, x, y, width, height,
232                                          unselFillBrightUpperC, unselFillDarkUpperC,
233                                          unselFillBrightLowerC, unselFillDarkLowerC );
234         }
235     }
236
237     /**
238      * Override to bold font
239      */
240     protected Font getTxtFont() {
241         Font font = super.getTxtFont();
242         if (!font.isBold()) {
243             font = font.deriveFont(Font.BOLD);
244         }
245         return font;
246     }
247
248     /**
249      * @return true if tab with given index should have highlighted border, false otherwise.
250      */
251     private boolean isTabHighlighted(int index) {
252         if (((OwnController) getController()).getMouseIndex() == index) {
253             return true;
254         }
255         return isSelected(index) && isActive();
256     }
257
258     /**
259      * @return true if tab with given index has mouse cursor above and is not
260      * the selected one, false otherwise.
261      */
262     private boolean isMouseOver(int index) {
263         return ((OwnController) getController()).getMouseIndex() == index
264                 && !isSelected(index);
265     }
266
267     /**
268      * Initialization of colors
269      */
270     private static void initColors() {
271         if (!colorsReady) {
272             txtC = UIManager.getColor("TabbedPane.foreground"); // NOI18N
273
274             selFillC = UIManager.getColor("tab_sel_fill"); // NOI18N
275
276             focusFillUpperC = UIManager.getColor("tab_focus_fill_upper"); // NOI18N
277 focusFillBrightLowerC = UIManager.getColor("tab_focus_fill_bright_lower"); // NOI18N
278 focusFillDarkLowerC = UIManager.getColor("tab_focus_fill_dark_lower"); // NOI18N
279
280             unselFillBrightUpperC = UIManager.getColor("tab_unsel_fill_bright_upper"); // NOI18N
281 unselFillDarkUpperC = UIManager.getColor("tab_unsel_fill_dark_upper"); // NOI18N
282 unselFillBrightLowerC = UIManager.getColor("tab_unsel_fill_bright_lower"); // NOI18N
283 unselFillDarkLowerC = UIManager.getColor("tab_unsel_fill_dark_lower"); // NOI18N
284
285             mouseOverFillBrightUpperC = UIManager.getColor("tab_mouse_over_fill_bright_upper"); // NOI18N
286 mouseOverFillDarkUpperC = UIManager.getColor("tab_mouse_over_fill_dark_upper"); // NOI18N
287 mouseOverFillBrightLowerC = UIManager.getColor("tab_mouse_over_fill_bright_lower"); // NOI18N
288 mouseOverFillDarkLowerC = UIManager.getColor("tab_mouse_over_fill_dark_lower"); // NOI18N
289
290             borderC = UIManager.getColor("tab_border"); // NOI18N
291 selBorderC = UIManager.getColor("tab_sel_border"); // NOI18N
292 borderInnerC = UIManager.getColor("tab_border_inner"); // NOI18N
293
294             colorsReady = true;
295         }
296     }
297
298     private static void initIcons() {
299         if( null == buttonIconPaths ) {
300             buttonIconPaths = new HashMap <Integer , String []>(7);
301             
302             //close button
303 String [] iconPaths = new String [4];
304             iconPaths[TabControlButton.STATE_DEFAULT] = "org/netbeans/swing/tabcontrol/resources/vista_bigclose_enabled.png"; // NOI18N
305 iconPaths[TabControlButton.STATE_PRESSED] = "org/netbeans/swing/tabcontrol/resources/vista_bigclose_pressed.png"; // NOI18N
306 iconPaths[TabControlButton.STATE_DISABLED] = iconPaths[TabControlButton.STATE_DEFAULT];
307             iconPaths[TabControlButton.STATE_ROLLOVER] = "org/netbeans/swing/tabcontrol/resources/vista_bigclose_rollover.png"; // NOI18N
308 buttonIconPaths.put( TabControlButton.ID_CLOSE_BUTTON, iconPaths );
309             
310             //slide/pin button
311 iconPaths = new String [4];
312             iconPaths[TabControlButton.STATE_DEFAULT] = "org/netbeans/swing/tabcontrol/resources/vista_slideright_enabled.png"; // NOI18N
313 iconPaths[TabControlButton.STATE_PRESSED] = "org/netbeans/swing/tabcontrol/resources/vista_slideright_pressed.png"; // NOI18N
314 iconPaths[TabControlButton.STATE_DISABLED] = iconPaths[TabControlButton.STATE_DEFAULT];
315             iconPaths[TabControlButton.STATE_ROLLOVER] = "org/netbeans/swing/tabcontrol/resources/vista_slideright_rollover.png"; // NOI18N
316 buttonIconPaths.put( TabControlButton.ID_SLIDE_RIGHT_BUTTON, iconPaths );
317             
318             iconPaths = new String [4];
319             iconPaths[TabControlButton.STATE_DEFAULT] = "org/netbeans/swing/tabcontrol/resources/vista_slideleft_enabled.png"; // NOI18N
320 iconPaths[TabControlButton.STATE_PRESSED] = "org/netbeans/swing/tabcontrol/resources/vista_slideleft_pressed.png"; // NOI18N
321 iconPaths[TabControlButton.STATE_DISABLED] = iconPaths[TabControlButton.STATE_DEFAULT];
322             iconPaths[TabControlButton.STATE_ROLLOVER] = "org/netbeans/swing/tabcontrol/resources/vista_slideleft_rollover.png"; // NOI18N
323 buttonIconPaths.put( TabControlButton.ID_SLIDE_LEFT_BUTTON, iconPaths );
324             
325             iconPaths = new String [4];
326             iconPaths[TabControlButton.STATE_DEFAULT] = "org/netbeans/swing/tabcontrol/resources/vista_slidebottom_enabled.png"; // NOI18N
327 iconPaths[TabControlButton.STATE_PRESSED] = "org/netbeans/swing/tabcontrol/resources/vista_slidebottom_pressed.png"; // NOI18N
328 iconPaths[TabControlButton.STATE_DISABLED] = iconPaths[TabControlButton.STATE_DEFAULT];
329             iconPaths[TabControlButton.STATE_ROLLOVER] = "org/netbeans/swing/tabcontrol/resources/vista_slidebottom_rollover.png"; // NOI18N
330 buttonIconPaths.put( TabControlButton.ID_SLIDE_DOWN_BUTTON, iconPaths );
331             
332             iconPaths = new String [4];
333             iconPaths[TabControlButton.STATE_DEFAULT] = "org/netbeans/swing/tabcontrol/resources/vista_pin_enabled.png"; // NOI18N
334 iconPaths[TabControlButton.STATE_PRESSED] = "org/netbeans/swing/tabcontrol/resources/vista_pin_pressed.png"; // NOI18N
335 iconPaths[TabControlButton.STATE_DISABLED] = iconPaths[TabControlButton.STATE_DEFAULT];
336             iconPaths[TabControlButton.STATE_ROLLOVER] = "org/netbeans/swing/tabcontrol/resources/vista_pin_rollover.png"; // NOI18N
337 buttonIconPaths.put( TabControlButton.ID_PIN_BUTTON, iconPaths );
338         }
339     }
340
341     public Icon getButtonIcon(int buttonId, int buttonState) {
342         Icon res = null;
343         initIcons();
344         String [] paths = buttonIconPaths.get( buttonId );
345         if( null != paths && buttonState >=0 && buttonState < paths.length ) {
346             res = TabControlButtonFactory.getIcon( paths[buttonState] );
347         }
348         return res;
349     }
350
351     public void postTabAction(TabActionEvent e) {
352         super.postTabAction(e);
353         if( TabDisplayer.COMMAND_MAXIMIZE.equals( e.getActionCommand() ) ) {
354             ((OwnController)getController()).updateHighlight( -1 );
355         }
356     }
357
358     /**
359      * Own close icon button controller
360      */
361     private class OwnController extends Controller {
362
363         /**
364          * holds index of tab in which mouse pointer was lastly located. -1
365          * means mouse pointer is out of component's area
366          */
367         // TBD - should be part of model, not controller
368 private int lastIndex = -1;
369
370         /**
371          * @return Index of tab in which mouse pointer is currently located.
372          */
373         public int getMouseIndex() {
374             return lastIndex;
375         }
376
377         /**
378          * Triggers visual tab header change when mouse enters/leaves tab in
379          * advance to superclass functionality.
380          */
381         public void mouseMoved(MouseEvent e) {
382             super.mouseMoved(e);
383             Point pos = e.getPoint();
384             updateHighlight(getLayoutModel().indexOfPoint(pos.x, pos.y));
385         }
386
387         /**
388          * Resets tab header in advance to superclass functionality
389          */
390         public void mouseExited(MouseEvent e) {
391             super.mouseExited(e);
392             if( !inControlButtonsRect(e.getPoint())) {
393                 updateHighlight(-1);
394             }
395         }
396
397         /**
398          * Invokes repaint of dirty region if needed
399          */
400         private void updateHighlight(int curIndex) {
401             if (curIndex == lastIndex) {
402                 return;
403             }
404             // compute region which needs repaint
405 TabLayoutModel tlm = getLayoutModel();
406             int x, y, w, h;
407             Rectangle repaintRect = null;
408             if (curIndex != -1) {
409                 x = tlm.getX(curIndex)-1;
410                 y = tlm.getY(curIndex);
411                 w = tlm.getW(curIndex)+2;
412                 h = tlm.getH(curIndex);
413                 repaintRect = new Rectangle (x, y, w, h);
414             }
415             // due to model changes, lastIndex may become invalid, so check
416 if ((lastIndex != -1) && (lastIndex < getDataModel().size())) {
417                 x = tlm.getX(lastIndex)-1;
418                 y = tlm.getY(lastIndex);
419                 w = tlm.getW(lastIndex)+2;
420                 h = tlm.getH(lastIndex);
421                 if (repaintRect != null) {
422                     repaintRect =
423                             repaintRect.union(new Rectangle (x, y, w, h));
424                 } else {
425                     repaintRect = new Rectangle (x, y, w, h);
426                 }
427             }
428             // trigger repaint if needed, update index
429 if (repaintRect != null) {
430                 getDisplayer().repaint(repaintRect);
431             }
432             lastIndex = curIndex;
433         }
434     } // end of OwnController
435 }
436

A to Z: JavaDoc & Examples

---

Daily Java News & Articles

---

Open Source Projects

---

Open Source Codes

---

Free Computer Books

---

Remove Frame

---

Popular Tags