Source Code Cross Referenced for Utils.java in  » IDE-Netbeans » jellytools » org » netbeans » jellytools » widgets » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » jellytools » org.netbeans.jellytools.widgets 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         * 
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         * 
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         * 
024:         * If you wish your version of this file to be governed by only the CDDL
025:         * or only the GPL Version 2, indicate your decision by adding
026:         * "[Contributor] elects to include this software in this distribution
027:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
028:         * single choice of license, a recipient has the option to distribute
029:         * your version of this file under either the CDDL, the GPL Version 2 or
030:         * to extend the choice of license to its licensees as provided above.
031:         * However, if you add GPL Version 2 code and therefore, elected the GPL
032:         * Version 2 license, then the option applies only if the new code is
033:         * made subject to such option by the copyright holder.
034:         * 
035:         * Contributor(s):
036:         * 
037:         * Portions Copyrighted 2008 Sun Microsystems, Inc.
038:         */
039:        package org.netbeans.jellytools.widgets;
040:
041:        import java.awt.BorderLayout;
042:        import java.awt.Dimension;
043:        import java.awt.Frame;
044:        import java.awt.Point;
045:        import java.awt.Toolkit;
046:        import java.awt.event.ActionEvent;
047:        import java.awt.event.ActionListener;
048:        import java.awt.event.MouseEvent;
049:        import javax.swing.JComponent;
050:        import javax.swing.JDialog;
051:        import javax.swing.JFrame;
052:        import javax.swing.JMenuItem;
053:        import javax.swing.JPopupMenu;
054:        import javax.swing.SwingUtilities;
055:        import org.netbeans.api.visual.action.ActionFactory;
056:        import org.netbeans.api.visual.action.ConnectProvider;
057:        import org.netbeans.api.visual.action.ConnectorState;
058:        import org.netbeans.api.visual.action.PopupMenuProvider;
059:        import org.netbeans.api.visual.action.ReconnectProvider;
060:        import org.netbeans.api.visual.action.WidgetAction;
061:        import org.netbeans.api.visual.action.WidgetAction.WidgetMouseEvent;
062:        import org.netbeans.api.visual.anchor.AnchorFactory;
063:        import org.netbeans.api.visual.anchor.AnchorShape;
064:        import org.netbeans.api.visual.anchor.PointShape;
065:        import org.netbeans.api.visual.border.BorderFactory;
066:        import org.netbeans.api.visual.graph.GraphScene;
067:        import org.netbeans.api.visual.widget.ConnectionWidget;
068:        import org.netbeans.api.visual.widget.LabelWidget;
069:        import org.netbeans.api.visual.widget.LayerWidget;
070:        import org.netbeans.api.visual.widget.Scene;
071:        import org.netbeans.api.visual.widget.Widget;
072:        import org.openide.windows.TopComponent;
073:
074:        /**
075:         *
076:         * @author Jiri Skrivanek
077:         */
078:        public class Utils {
079:
080:            /** Shows given Scene wrapped in TopComponent and JFrame.
081:             * @param scene Scene to be shown
082:             * @return TopComponent instance where scene resides
083:             */
084:            public static TopComponent showScene(Scene scene) {
085:                JComponent sceneView = scene.getView();
086:                if (sceneView == null) {
087:                    sceneView = scene.createView();
088:                }
089:                int width = 450, height = 250;
090:                JFrame frame = new JFrame("Test Scene");
091:                TopComponent tc = new TopComponent();
092:                tc.setLayout(new BorderLayout());
093:                tc.add(sceneView);
094:                frame.add(tc);
095:                frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
096:                Dimension screenSize = java.awt.Toolkit.getDefaultToolkit()
097:                        .getScreenSize();
098:                frame.setBounds((screenSize.width - width) / 2,
099:                        (screenSize.height - height) / 2, width, height);
100:                frame.setVisible(true);
101:                return tc;
102:            }
103:
104:            /** Creates test scene and shows it
105:             * @param args arguments
106:             */
107:            public static void main(String[] args) {
108:                if (SwingUtilities.isEventDispatchThread()) {
109:                    showScene(new TestScene());
110:                } else {
111:                    SwingUtilities.invokeLater(new Runnable() {
112:
113:                        public void run() {
114:                            showScene(new TestScene());
115:                        }
116:                    });
117:                }
118:            }
119:
120:            /** Creates test scene with 2 LabelWidgets and one movable widget. */
121:            public static class TestScene extends GraphScene.StringGraph {
122:
123:                private LayerWidget mainLayer = new LayerWidget(this );
124:                private LayerWidget connectionLayer = new LayerWidget(this );
125:                private LayerWidget interractionLayer = new LayerWidget(this );
126:                private WidgetAction createAction = new SceneCreateAction();
127:                private WidgetAction moveAction = ActionFactory
128:                        .createMoveAction();
129:                private WidgetAction connectAction = ActionFactory
130:                        .createConnectAction(interractionLayer,
131:                                new SceneConnectProvider());
132:                private WidgetAction reconnectAction = ActionFactory
133:                        .createReconnectAction(new SceneReconnectProvider());
134:                private long nodeCounter = 0;
135:                private long edgeCounter = 0;
136:
137:                public TestScene() {
138:                    addChild(mainLayer);
139:                    addChild(connectionLayer);
140:                    addChild(interractionLayer);
141:                    getActions().addAction(createAction);
142:                    //mainLayer.addChild(new LabelWidget(this, "Click on background to create a node. Drag a node to create a connection."));
143:                    // do not change label nor location because it is hard coded in test cases
144:                    //addNode("Label 0").setPreferredLocation(new Point(100, 100));
145:                    Widget label0Widget = addNode("Label 0");
146:                    label0Widget.setPreferredLocation(new Point(100, 100));
147:                    label0Widget
148:                            .getActions()
149:                            .addAction(
150:                                    ActionFactory
151:                                            .createPopupMenuAction(new MyPopupProvider()));
152:                    label0Widget.getActions().addAction(new LabelAction());
153:                    Widget label1Widget = addNode("Label 1");
154:                    label1Widget.setPreferredLocation(new Point(300, 100));
155:                    LabelWidget movableWidget = new LabelWidget(this ,
156:                            "Movable Widget");
157:                    movableWidget.setPreferredLocation(new Point(100, 150));
158:                    movableWidget.getActions().addAction(moveAction);
159:                    addChild(movableWidget);
160:                }
161:
162:                protected Widget attachNodeWidget(String node) {
163:                    LabelWidget label = new LabelWidget(this , node);
164:                    label.setBorder(BorderFactory.createLineBorder(4));
165:                    label.getActions().addAction(createObjectHoverAction());
166:                    //        label.getActions ().addAction (createSelectAction ());
167:                    label.getActions().addAction(connectAction);
168:                    mainLayer.addChild(label);
169:                    return label;
170:                }
171:
172:                protected Widget attachEdgeWidget(String edge) {
173:                    ConnectionWidget connection = new ConnectionWidget(this );
174:                    connection
175:                            .setTargetAnchorShape(AnchorShape.TRIANGLE_FILLED);
176:                    connection.setEndPointShape(PointShape.SQUARE_FILLED_BIG);
177:                    connection.getActions()
178:                            .addAction(createObjectHoverAction());
179:                    connection.getActions().addAction(createSelectAction());
180:                    connection.getActions().addAction(reconnectAction);
181:                    connectionLayer.addChild(connection);
182:                    return connection;
183:                }
184:
185:                protected void attachEdgeSourceAnchor(String edge,
186:                        String oldSourceNode, String sourceNode) {
187:                    Widget w = sourceNode != null ? findWidget(sourceNode)
188:                            : null;
189:                    ((ConnectionWidget) findWidget(edge))
190:                            .setSourceAnchor(AnchorFactory
191:                                    .createRectangularAnchor(w));
192:                }
193:
194:                protected void attachEdgeTargetAnchor(String edge,
195:                        String oldTargetNode, String targetNode) {
196:                    Widget w = targetNode != null ? findWidget(targetNode)
197:                            : null;
198:                    ((ConnectionWidget) findWidget(edge))
199:                            .setTargetAnchor(AnchorFactory
200:                                    .createRectangularAnchor(w));
201:                }
202:
203:                private class SceneCreateAction extends WidgetAction.Adapter {
204:
205:                    @Override
206:                    public State mousePressed(Widget widget,
207:                            WidgetMouseEvent event) {
208:                        if (event.getClickCount() == 1) {
209:                            if (event.getButton() == MouseEvent.BUTTON1
210:                                    || event.getButton() == MouseEvent.BUTTON2) {
211:                                addNode("node" + nodeCounter++)
212:                                        .setPreferredLocation(
213:                                                widget
214:                                                        .convertLocalToScene(event
215:                                                                .getPoint()));
216:                                return State.CONSUMED;
217:                            }
218:                        }
219:                        return State.REJECTED;
220:                    }
221:                }
222:
223:                private class SceneConnectProvider implements  ConnectProvider {
224:
225:                    private String source = null;
226:                    private String target = null;
227:
228:                    public boolean isSourceWidget(Widget sourceWidget) {
229:                        Object object = findObject(sourceWidget);
230:                        source = isNode(object) ? (String) object : null;
231:                        return source != null;
232:                    }
233:
234:                    public ConnectorState isTargetWidget(Widget sourceWidget,
235:                            Widget targetWidget) {
236:                        Object object = findObject(targetWidget);
237:                        target = isNode(object) ? (String) object : null;
238:                        if (target != null) {
239:                            return !source.equals(target) ? ConnectorState.ACCEPT
240:                                    : ConnectorState.REJECT_AND_STOP;
241:                        }
242:                        return object != null ? ConnectorState.REJECT_AND_STOP
243:                                : ConnectorState.REJECT;
244:                    }
245:
246:                    public boolean hasCustomTargetWidgetResolver(Scene scene) {
247:                        return false;
248:                    }
249:
250:                    public Widget resolveTargetWidget(Scene scene,
251:                            Point sceneLocation) {
252:                        return null;
253:                    }
254:
255:                    public void createConnection(Widget sourceWidget,
256:                            Widget targetWidget) {
257:                        String edge = "edge" + edgeCounter++;
258:                        addEdge(edge);
259:                        setEdgeSource(edge, source);
260:                        setEdgeTarget(edge, target);
261:                    }
262:                }
263:
264:                private class SceneReconnectProvider implements 
265:                        ReconnectProvider {
266:
267:                    String edge;
268:                    String originalNode;
269:                    String replacementNode;
270:
271:                    public void reconnectingStarted(
272:                            ConnectionWidget connectionWidget,
273:                            boolean reconnectingSource) {
274:                    }
275:
276:                    public void reconnectingFinished(
277:                            ConnectionWidget connectionWidget,
278:                            boolean reconnectingSource) {
279:                    }
280:
281:                    public boolean isSourceReconnectable(
282:                            ConnectionWidget connectionWidget) {
283:                        Object object = findObject(connectionWidget);
284:                        edge = isEdge(object) ? (String) object : null;
285:                        originalNode = edge != null ? getEdgeSource(edge)
286:                                : null;
287:                        return originalNode != null;
288:                    }
289:
290:                    public boolean isTargetReconnectable(
291:                            ConnectionWidget connectionWidget) {
292:                        Object object = findObject(connectionWidget);
293:                        edge = isEdge(object) ? (String) object : null;
294:                        originalNode = edge != null ? getEdgeTarget(edge)
295:                                : null;
296:                        return originalNode != null;
297:                    }
298:
299:                    public ConnectorState isReplacementWidget(
300:                            ConnectionWidget connectionWidget,
301:                            Widget replacementWidget, boolean reconnectingSource) {
302:                        Object object = findObject(replacementWidget);
303:                        replacementNode = isNode(object) ? (String) object
304:                                : null;
305:                        if (replacementNode != null) {
306:                            return ConnectorState.ACCEPT;
307:                        }
308:                        return object != null ? ConnectorState.REJECT_AND_STOP
309:                                : ConnectorState.REJECT;
310:                    }
311:
312:                    public boolean hasCustomReplacementWidgetResolver(
313:                            Scene scene) {
314:                        return false;
315:                    }
316:
317:                    public Widget resolveReplacementWidget(Scene scene,
318:                            Point sceneLocation) {
319:                        return null;
320:                    }
321:
322:                    public void reconnect(ConnectionWidget connectionWidget,
323:                            Widget replacementWidget, boolean reconnectingSource) {
324:                        if (replacementWidget == null) {
325:                            removeEdge(edge);
326:                        } else if (reconnectingSource) {
327:                            setEdgeSource(edge, replacementNode);
328:                        } else {
329:                            setEdgeTarget(edge, replacementNode);
330:                        }
331:                    }
332:                }
333:
334:                private static class MyPopupProvider implements 
335:                        PopupMenuProvider, ActionListener {
336:
337:                    private static final String OPEN_ACTION = "openAction";
338:                    private static final String MODAL_ACTION = "modalAction";
339:                    private static final int WIDTH = 100;
340:                    private static final int HEIGHT = 100;
341:                    private JPopupMenu menu;
342:
343:                    public MyPopupProvider() {
344:                        menu = new JPopupMenu("Popup menu");
345:                        JMenuItem item;
346:
347:                        item = new JMenuItem("Open");
348:                        item.setActionCommand(OPEN_ACTION);
349:                        item.addActionListener(this );
350:                        menu.add(item);
351:
352:                        item = new JMenuItem("Modal");
353:                        item.setActionCommand(MODAL_ACTION);
354:                        item.addActionListener(this );
355:                        menu.add(item);
356:
357:                    }
358:
359:                    public JPopupMenu getPopupMenu(Widget widget,
360:                            Point localLocation) {
361:                        return menu;
362:                    }
363:
364:                    public void actionPerformed(ActionEvent e) {
365:                        if (OPEN_ACTION.equals(e.getActionCommand())) {
366:                            JDialog dialog = new JDialog((Frame) null, "Open");
367:                            Dimension screenSize = Toolkit.getDefaultToolkit()
368:                                    .getScreenSize();
369:                            dialog.setBounds((screenSize.width - WIDTH) / 2,
370:                                    (screenSize.height - HEIGHT) / 2, WIDTH,
371:                                    HEIGHT);
372:                            dialog.setVisible(true);
373:                        } else if (MODAL_ACTION.equals(e.getActionCommand())) {
374:                            JDialog dialog = new JDialog((Frame) null, "Modal",
375:                                    true);
376:                            Dimension screenSize = Toolkit.getDefaultToolkit()
377:                                    .getScreenSize();
378:                            dialog.setBounds((screenSize.width - WIDTH) / 2,
379:                                    (screenSize.height - HEIGHT) / 2, WIDTH,
380:                                    HEIGHT);
381:                            dialog.setVisible(true);
382:                        }
383:                    }
384:                }
385:
386:                private class LabelAction extends WidgetAction.Adapter {
387:
388:                    private static final int WIDTH = 100;
389:                    private static final int HEIGHT = 100;
390:
391:                    @Override
392:                    public State mouseClicked(Widget widget,
393:                            WidgetMouseEvent event) {
394:                        if (event.getButton() == MouseEvent.BUTTON1) {
395:                            JDialog dialog = new JDialog((Frame) null,
396:                                    "Mouse Clicked " + event.getClickCount());
397:                            Dimension screenSize = Toolkit.getDefaultToolkit()
398:                                    .getScreenSize();
399:                            dialog.setBounds((screenSize.width - WIDTH) / 2,
400:                                    (screenSize.height - HEIGHT) / 2, WIDTH,
401:                                    HEIGHT);
402:                            dialog.setVisible(true);
403:                            return State.CONSUMED;
404:                        }
405:                        return State.REJECTED;
406:                    }
407:                }
408:            }
409:        }
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