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19
24
25 package org.netbeans.modules.retouche.navigation.base;
26
27 import javax.swing.*;
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.lang.ref.*;
31
32
42 public final class TapPanel extends javax.swing.JPanel  {
43 public static final int UP = 0;
44 public static final int DOWN = 2;
45
46 public static final String PROP_ORIENTATION = "orientation"; private int orientation = UP;
48 private boolean armed = false;
49 private boolean expanded = true;
50 private int minimumHeight = 8;
51
52
55 public TapPanel () {
56 setLayout ( new TrivialLayout () );
57 }
58
59 private static WeakReference<Adap> adapRef = null;
60
61 static class Adap extends MouseAdapter implements MouseMotionListener {
62 MouseListener other = null;
63
64 public void mouseEntered (MouseEvent e) {
65 ( (TapPanel) e.getSource () ).setArmed ( true );
66 }
67
68 public void mouseExited (MouseEvent e) {
69 ( (TapPanel) e.getSource () ).setArmed ( false );
70 }
71
72 public void mouseMoved (MouseEvent e) {
73 ( (TapPanel) e.getSource () ).setArmed ( ( (TapPanel) e.getSource () ).isArmPoint ( e.getPoint () ) );
74 }
75
76 public void mousePressed (MouseEvent e) {
77 if ( ( (TapPanel) e.getSource () ).isArmPoint ( e.getPoint () ) ) {
78 ( (TapPanel) e.getSource () ).setExpanded ( !( (TapPanel) e.getSource () ).isExpanded () );
79 e.consume ();
80 } else if ( other != null ) {
81 other.mousePressed ( e );
82 }
83 }
84
85 public void mouseDragged (MouseEvent e) {
86 }
88 }
89
90 private static Adap getAdapter () {
91 Adap result = null;
92 if ( adapRef != null ) {
93 result = (Adap) adapRef.get ();
94 }
95 if ( result == null ) {
96 result = new Adap ();
97 adapRef = new WeakReference<Adap>( result );
98 }
99 return result;
100 }
101
102
106 void setSecondaryMouseHandler (MouseListener lis) {
107 getAdapter ().other = lis;
108 }
109
110 public void addNotify () {
111 addMouseMotionListener ( getAdapter () );
112 addMouseListener ( getAdapter () );
113 super.addNotify ();
114 }
115
116 public void removeNotify () {
117 super.removeNotify ();
118 removeMouseMotionListener ( getAdapter () );
119 removeMouseListener ( getAdapter () );
120 }
121
122 public int getOrientation () {
123 return orientation;
124 }
125
126 public void setOrientation (int i) {
127 if ( i != orientation ) {
128 int oldOr = i;
129 orientation = i;
130 firePropertyChange ( PROP_ORIENTATION, oldOr, i );
131 }
132 }
133
134 private void setArmed (boolean val) {
135 if ( val != armed ) {
136 armed = val;
137 repaint ();
138 }
139 }
140
141 public boolean isExpanded () {
142 return expanded;
143 }
144
145 public Dimension getPreferredSize () {
146 return getLayout ().preferredLayoutSize ( this );
147 }
148
149 public Dimension getMinimumSize () {
150 Dimension d = getPreferredSize ();
151 d.width = 20;
152 return d;
153 }
154
155 public Dimension getMaximumSize () {
156 return getPreferredSize ();
157 }
158
159 public void setExpanded (boolean b) {
160 if ( expanded != b ) {
161 Dimension d = getPreferredSize ();
162 expanded = b;
163 Dimension d1 = getPreferredSize ();
164 if ( isDisplayable () ) {
165 revalidate();
166 }
167 }
168 }
169
170 private boolean isArmPoint (Point p) {
171 if ( !expanded ) {
172 return p.y > 0 && p.y < getHeight ();
173 } else {
174 if ( orientation == UP ) {
175 return p.y > getHeight () - minimumHeight;
176 } else {
177 return p.y < minimumHeight;
178 }
179 }
180 }
181
182 public void updateBorder () {
183 if ( orientation == UP ) {
184 super.setBorder ( BorderFactory.createEmptyBorder ( 0, 0, minimumHeight, 0 ) );
185 } else {
186 super.setBorder ( BorderFactory.createEmptyBorder ( minimumHeight, 0, 0, 0 ) );
187 }
188 }
189
190 public int getMinimumHeight () {
191 return minimumHeight;
192 }
193
194 public void setBorder () {
195 }
197
198 public void paintBorder (Graphics g) {
199 Color c = armed ? UIManager.getColor ( "List.selectionBackground" ) : getBackground (); int x = 0;
201 int y = orientation == UP ? 1 + ( getHeight () - minimumHeight ) : 0;
202 int w = getWidth ();
203 int h = minimumHeight - 1;
204 g.setColor ( c );
205 g.fillRect ( x, y, w, h );
206
207 int pos = orientation == UP ? getHeight () - 1 : 0;
208 int dir = orientation == UP ? -1 : 1;
209 g.setColor ( armed ? c.darker () : UIManager.getColor ( "controlShadow" ) ); g.drawLine ( 0, pos, w, pos );
211 pos += dir;
212
213 if ( ( orientation == UP ) == expanded ) {
214 up.paintIcon ( this, g, ( getWidth () / 2 ) - ( up.getIconWidth () / 2 ),
215 getHeight () - ( minimumHeight + ( expanded ? 0 : -1 ) ) );
216 } else {
217 down.paintIcon ( this, g, ( getWidth () / 2 ) - ( up.getIconWidth () / 2 ), expanded ? 2 : 1 );
218 }
219 }
220
221 public void paintChildren (Graphics g) {
222 if ( !expanded ) return;
223 super.paintChildren(g);
224 }
225
226 private Icon up = new UpIcon ();
227 private Icon down = new DownIcon ();
228
229 private int ICON_SIZE = 8;
230
231 private class UpIcon implements Icon {
232 public int getIconHeight () {
233 return ICON_SIZE - 2;
234 }
235
236 public int getIconWidth () {
237 return ICON_SIZE + 2;
238 }
239
240 public void paintIcon (java.awt.Component c, Graphics g, int x, int y) {
241
242 g.setColor ( armed ?
243 UIManager.getColor ( "List.selectionForeground" ) : UIManager.getColor ( "controlShadow" ) );
248 int[] xPoints = new int[]{x, x + 8, x + 4};
249 int[] yPoints = new int[]{y + 5, y + 5, y};
250
251 g.fillPolygon ( xPoints, yPoints, 3 );
252 }
253 }
254
255 private class DownIcon implements Icon {
256
257 public int getIconHeight () {
258 return ICON_SIZE - 3;
259 }
260
261 public int getIconWidth () {
262 return ICON_SIZE + 2;
263 }
264
265 public void paintIcon (java.awt.Component c, Graphics g, int x, int y) {
266 x++;
267 g.setColor ( armed ?
268 UIManager.getColor ( "List.selectionForeground" ) : UIManager.getColor ( "controlShadow" ) );
274 int[] xPoints = new int[]{x, x + 8, x + 4};
275 int[] yPoints = new int[]{y, y, y + 4};
276
277 g.fillPolygon ( xPoints, yPoints, 3 );
278 }
279
280 }
281
282 }
283 |
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