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1
19
20 package org.netbeans.modules.xml.wsdl.ui.view.grapheditor.widget;
21
22 import java.awt.Color  ;
23 import java.awt.GradientPaint ;
24 import java.awt.Graphics2D ;
25 import java.awt.Image ;
26 import java.awt.Insets ;
27 import java.awt.Paint ;
28 import java.awt.Rectangle ;
29 import java.awt.event.ActionEvent ;
30 import java.awt.event.ActionListener ;
31 import java.awt.geom.RoundRectangle2D ;
32
33 import org.netbeans.api.visual.border.Border;
34 import org.netbeans.api.visual.layout.LayoutFactory;
35 import org.netbeans.api.visual.widget.ImageWidget;
36 import org.netbeans.api.visual.widget.LabelWidget;
37 import org.netbeans.api.visual.widget.Scene;
38 import org.netbeans.api.visual.widget.Widget;
39
40
44 public class ButtonWidget extends Widget {
45
46 private ImageWidget imageWidget = null;
47 private LabelWidget labelWidget = null;
48
49
50 private Insets margin = new Insets (2, 8, 2, 8);
51
52
53 private boolean rollover = false;
54 private boolean pressed = false;
55 private boolean enabled = true;
56 private boolean parentSelectionAllowed = false;
57
58
59 private ActionListener actionListener = null;
60
61
62 public ButtonWidget(Scene scene, String text) {
63 this(scene, null, text);
64 }
65
66
67 public ButtonWidget(Scene scene, Image icon) {
68 this(scene, icon, null);
69 }
70
71
72 public ButtonWidget(Scene scene, Image icon, String text) {
73 super(scene);
74
75 setLayout(LayoutFactory.createHorizontalLayout(LayoutFactory
76 .SerialAlignment.CENTER, 4));
77 setIconAndText(icon, text);
78
79 setBorder(new ButtonBorder());
80
81 getActions().addAction(((PartnerScene) scene).getButtonAction());
82 getActions().addAction(((PartnerScene) scene).getSelectAction());
83 }
84
85
86 public String getText() {
87 return (labelWidget == null) ? null : labelWidget.getLabel();
88 }
89
90
91 public Image getIcon() {
92 return (imageWidget == null) ? null : imageWidget.getImage();
93 }
94
95
96 public void setText(String text) {
97 setIconAndText(getIcon(), text);
98 }
99
100
101 public void setIcon(Image image) {
102 setIconAndText(image, getText());
103 }
104
105
106 public Insets getMargin() {
107 return new Insets (margin.top, margin.left, margin.bottom, margin.right);
108 }
109
110
111 public void setMargin(Insets margin) {
112 this.margin.set(margin.top, margin.left, margin.bottom, margin.right);
113 revalidate();
114 repaint();
115 }
116
117
118 public void setIconAndText(Image icon, String text) {
119 removeButtonChildren();
120
121 String oldText = getText();
122 Image oldIcon = getIcon();
123
124 if (imageWidget == null) {
125 if (icon != null) {
126 imageWidget = new ImageWidget(getScene(), icon);
127 }
128 } else {
129 if (icon == null) {
130 imageWidget = null;
131 } else if (icon != oldIcon) {
132 imageWidget.setImage(icon);
133 }
134 }
135
136 if (labelWidget == null) {
137 if (text != null) {
138 labelWidget = new LabelWidget(getScene(), text);
139 labelWidget.setFont(getScene().getDefaultFont());
140 labelWidget.setForeground((isButtonEnabled())
141 ? ENABLED_TEXT_COLOR
142 : DISABLED_TEXT_COLOR);
143 }
144 } else {
145 if (text == null) {
146 labelWidget = null;
147 } else if (!((oldText != null) && text.equals(oldText))) {
148 labelWidget.setLabel(text);
149 }
150 }
151
152 addButtonChildren();
153 }
154
155
156 private void removeButtonChildren() {
157 if (labelWidget != null) {
158 removeChild(labelWidget);
159 }
160
161 if (imageWidget != null) {
162 removeChild(imageWidget);
163 }
164 }
165
166
167 private void addButtonChildren() {
168 if (imageWidget != null) {
169 addChild(imageWidget);
170 }
171
172 if (labelWidget != null) {
173 addChild(labelWidget);
174 }
175 }
176
177
178 public void setActionListener(ActionListener actionListener) {
179 this.actionListener = actionListener;
180 }
181
182
183 private void fireActionPerformed() {
184 if ((actionListener != null) && enabled) {
185 actionListener.actionPerformed(new ActionEvent (this, 0,
186 "button-pressed")); }
188 }
189
190
191 public boolean isParenSelectionAllowed() {
192 return parentSelectionAllowed;
193 }
194
195
196 public void setParentSelectionAllowed(boolean allowed) {
197 parentSelectionAllowed = allowed;
198 }
199
200
201 public void mouseEntered() {
202 rollover = true;
203 repaint();
204 }
205
206
207 public void mouseExited() {
208 rollover = false;
209 repaint();
210 }
211
212
213 public void mousePressed() {
214 pressed = true;
215 repaint();
216 }
217
218
219 public void mouseReleased(boolean inside) {
220 pressed = false;
221 repaint();
222
223 if (inside) {
224 fireActionPerformed();
225 }
226 }
227
228
231 public void setButtonEnabled(boolean v) {
232 enabled = v;
233
234 if (labelWidget != null) {
235 labelWidget.setForeground((v)
236 ? ENABLED_TEXT_COLOR
237 : DISABLED_TEXT_COLOR);
238 }
239
240 revalidate();
241 repaint();
242 }
243
244
247 public boolean isButtonEnabled() {
248 return enabled;
249 }
250
251
252 private class ButtonBorder implements Border {
253 public ButtonBorder() {}
254
255 public Insets getInsets() {
256 return new Insets (margin.top, margin.left,
257 margin.bottom, margin.right);
258 }
259
260 public void paint(Graphics2D g2, Rectangle rect) {
261 Paint oldPaing = g2.getPaint();
262
263 if (enabled) {
264 g2.setPaint(BORDER_COLOR);
265 g2.fill(new RoundRectangle2D.Double (rect.x, rect.y,
266 rect.width, rect.height, 6, 6));
267
268 if (pressed) {
269 g2.setPaint(new Color (0xCCCCCC));
270 } else {
271 g2.setPaint(new GradientPaint (
272 0, rect.y + 1, BACKGROUND_COLOR_1,
273 0, rect.y + rect.height * 0.5f,
274 BACKGROUND_COLOR_2, true));
275 }
276
277 if (rollover) {
278 g2.fill(new RoundRectangle2D.Double (rect.x + 1.5, rect.y + 1.5,
279 rect.width - 3, rect.height - 3, 3, 3));
280 } else {
281 g2.fill(new RoundRectangle2D.Double (rect.x + 1, rect.y + 1,
282 rect.width - 2, rect.height - 2, 4, 4));
283 }
284 } else {
285 g2.setPaint(grayFilter(BORDER_COLOR));
286 g2.fill(new RoundRectangle2D.Double (rect.x, rect.y,
287 rect.width, rect.height, 6, 6));
288
289 g2.setPaint(BACKGROUND_COLOR_DISABLED);
290 g2.fill(new RoundRectangle2D.Double (rect.x + 1, rect.y + 1,
291 rect.width - 2, rect.height - 2, 4, 4));
292 }
293
294 g2.setPaint(oldPaing);
295 }
296
297 public boolean isOpaque() {
298 return true;
299 }
300 }
301
302
303 private static Color grayFilter(Color color) {
304 int y = Math.round(0.299f * color.getRed()
305 + 0.587f * color.getGreen()
306 + 0.114f * color.getBlue());
307
308 if (y < 0) {
309 y = 0;
310 } else if (y > 255) {
311 y = 255;
312 }
313
314 return new Color (y, y, y);
315 }
316
317 private static final Color BORDER_COLOR = new Color (0x7F9DB9);
318 private static final Color BACKGROUND_COLOR_1 = new Color (0xD2D2DD);
319 private static final Color BACKGROUND_COLOR_2 = new Color (0xF8F8F8);
320 private static final Color BACKGROUND_COLOR_DISABLED = new Color (0xE4E4E4);
321 private static final Color ENABLED_TEXT_COLOR = new Color (0x222222);
322 private static final Color DISABLED_TEXT_COLOR = new Color (0x888888);
323 }
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