Source Code Cross Referenced for RenderManagerDynamic.java in  » GIS » udig-1.1 » net » refractions » udig » project » ui » internal » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » udig 1.1 » net.refractions.udig.project.ui.internal 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * <copyright></copyright> $Id: RenderManagerDynamic.java 22605 2006-11-06 17:55:57Z jeichar $
003:         */package net.refractions.udig.project.ui.internal;
004:
005:        import static net.refractions.udig.project.ui.internal.Trace.RENDER;
006:
007:        import java.awt.Color;
008:        import java.awt.Graphics2D;
009:        import java.awt.Rectangle;
010:        import java.awt.image.BufferedImage;
011:        import java.util.ArrayList;
012:        import java.util.Collection;
013:        import java.util.HashSet;
014:        import java.util.Iterator;
015:        import java.util.List;
016:        import java.util.Set;
017:
018:        import net.refractions.udig.project.ILayer;
019:        import net.refractions.udig.project.internal.ContextModelListenerAdapter;
020:        import net.refractions.udig.project.internal.Layer;
021:        import net.refractions.udig.project.internal.Map;
022:        import net.refractions.udig.project.internal.ProjectPackage;
023:        import net.refractions.udig.project.internal.render.CompositeRenderContext;
024:        import net.refractions.udig.project.internal.render.ExecutorVisitor;
025:        import net.refractions.udig.project.internal.render.MultiLayerRenderer;
026:        import net.refractions.udig.project.internal.render.RenderContext;
027:        import net.refractions.udig.project.internal.render.RenderExecutor;
028:        import net.refractions.udig.project.internal.render.RenderFactory;
029:        import net.refractions.udig.project.internal.render.RenderPackage;
030:        import net.refractions.udig.project.internal.render.SelectionLayer;
031:        import net.refractions.udig.project.internal.render.impl.CompositeRenderContextImpl;
032:        import net.refractions.udig.project.internal.render.impl.CompositeRendererImpl;
033:        import net.refractions.udig.project.internal.render.impl.RenderExecutorComposite;
034:        import net.refractions.udig.project.internal.render.impl.RenderExecutorMultiLayer;
035:        import net.refractions.udig.project.internal.render.impl.RenderManagerImpl;
036:        import net.refractions.udig.project.render.IRenderContext;
037:        import net.refractions.udig.project.render.IRenderer;
038:        import net.refractions.udig.project.render.RenderException;
039:        import net.refractions.udig.project.render.displayAdapter.IMapDisplay;
040:        import net.refractions.udig.project.ui.render.displayAdapter.ViewportPane;
041:        import net.refractions.udig.ui.PlatformGIS;
042:
043:        import org.eclipse.core.runtime.ISafeRunnable;
044:        import org.eclipse.emf.common.notify.Adapter;
045:        import org.eclipse.emf.common.notify.Notification;
046:        import org.eclipse.emf.common.notify.NotificationChain;
047:        import org.eclipse.emf.ecore.EObject;
048:        import org.eclipse.emf.ecore.impl.ENotificationImpl;
049:        import org.eclipse.swt.widgets.Display;
050:        import org.geotools.geometry.jts.ReferencedEnvelope;
051:
052:        import com.vividsolutions.jts.geom.Envelope;
053:
054:        /**
055:         * An implementation of IRenderManager that is reacts to events such as viewport model changes.  
056:         * 
057:         * @generated
058:         */
059:        public class RenderManagerDynamic extends RenderManagerImpl {
060:
061:            ContextModelListenerAdapter contextModelAdapter = RenderManagerAdapters
062:                    .createContextModelListener(this );
063:
064:            Adapter viewportListener = RenderManagerAdapters
065:                    .createViewportListener(this );
066:
067:            private Adapter viewportModelChangeListener = RenderManagerAdapters
068:                    .createViewportModelChangeListener(this , viewportListener,
069:                            contextModelAdapter);
070:
071:            /**
072:             * <!-- begin-user-doc --> <!-- end-user-doc -->
073:             * 
074:             * @generated NOT
075:             */
076:            @SuppressWarnings("unchecked")
077:            public RenderManagerDynamic() {
078:                super ();
079:                eAdapters().add(viewportModelChangeListener);
080:            }
081:
082:            /**
083:             * @see net.refractions.udig.project.render.impl.RenderManagerImpl#refresh(net.refractions.udig.project.Layer)
084:             */
085:            public void refresh(final ILayer layer, final Envelope bounds) {
086:                if (Display.getCurrent() != null) {
087:                    PlatformGIS.run(new ISafeRunnable() {
088:
089:                        public void handleException(Throwable exception) {
090:                            ProjectUIPlugin.log("", exception); //$NON-NLS-1$
091:                        }
092:
093:                        public void run() throws Exception {
094:                            doInternalRefresh(layer, bounds);
095:                        }
096:
097:                    });
098:                } else {
099:                    doInternalRefresh(layer, bounds);
100:                }
101:            }
102:
103:            private void doInternalRefresh(final ILayer layer,
104:                    final Envelope bounds) {
105:                checkState();
106:                if (getMapDisplay() == null || getRenderExecutor() == null)
107:                    return;
108:
109:                getRendererCreator().reset();
110:                validateRendererConfiguration();
111:
112:                final SelectionLayer selectionLayer = getRendererCreator()
113:                        .findSelectionLayer(layer);
114:
115:                getRenderExecutor().visit(new ExecutorVisitor() {
116:                    public void visit(RenderExecutor executor) {
117:                        if (executor.getContext().getLayer() == layer
118:                                || selectionLayer == executor.getContext()
119:                                        .getLayer()) {
120:                            executor.getRenderer().setRenderBounds(bounds);
121:                            executor.getRenderer().setState(
122:                                    IRenderer.RENDER_REQUEST);
123:                        }
124:                    }
125:
126:                    public void visit(RenderExecutorMultiLayer executor) {
127:                        if (executor.getContext().getLayers().contains(layer)
128:                                || executor.getContext().getLayers().contains(
129:                                        selectionLayer))
130:                            executor.getRenderer().setState(
131:                                    IRenderer.RENDER_REQUEST);
132:                    }
133:
134:                    public void visit(RenderExecutorComposite executor) {
135:                        List<RenderExecutor> executors = new ArrayList<RenderExecutor>(
136:                                executor.getRenderer().getRenderExecutors());
137:                        for (RenderExecutor child : executors)
138:                            child.visit(this );
139:                    }
140:                });
141:            }
142:
143:            /**
144:             * @see net.refractions.udig.project.render.impl.RenderManagerImpl#refreshSelection(com.vividsolutions.jts.geom.Envelope)
145:             */
146:            public void refreshSelection(final ILayer layer,
147:                    final Envelope bounds) {
148:                if (Display.getCurrent() != null) {
149:                    PlatformGIS.run(new ISafeRunnable() {
150:
151:                        public void handleException(Throwable exception) {
152:                            ProjectUIPlugin.log("", exception); //$NON-NLS-1$
153:                        }
154:
155:                        public void run() throws Exception {
156:                            doInternalRefreshSelection(layer, bounds);
157:                        }
158:
159:                    });
160:                } else {
161:                    doInternalRefreshSelection(layer, bounds);
162:                }
163:            }
164:
165:            private void doInternalRefreshSelection(final ILayer layer,
166:                    final Envelope bounds) {
167:
168:                checkState();
169:                if (getMapDisplay() == null || getRenderExecutor() == null)
170:                    return;
171:
172:                final Layer selectionLayer = getRendererCreator()
173:                        .findSelectionLayer(layer);
174:
175:                if (selectionLayer == null)
176:                    return;
177:
178:                getRendererCreator().reset();
179:                validateRendererConfiguration();
180:
181:                getRenderExecutor().visit(new ExecutorVisitor() {
182:                    public void visit(RenderExecutor executor) {
183:                        IRenderContext context = executor.getContext();
184:                        if (selectionLayer == context.getLayer()) {
185:                            executor.getRenderer().setRenderBounds(bounds);
186:                            if (bounds != null) {
187:                                Rectangle bounds2 = context.toShape(
188:                                        new ReferencedEnvelope(bounds,
189:                                                getViewportModelInternal()
190:                                                        .getCRS())).getBounds();
191:                                context.clearImage(bounds2);
192:                            } else {
193:                                context.clearImage();
194:                            }
195:                            executor.getRenderer().setState(
196:                                    IRenderer.RENDER_REQUEST);
197:                        }
198:                    }
199:
200:                    public void visit(RenderExecutorMultiLayer executor) {
201:                        CompositeRenderContext contexts = executor.getContext();
202:                        for (IRenderContext context : contexts.getContexts()) {
203:                            if (context.getLayer() == selectionLayer) {
204:                                executor.getRenderer().setState(
205:                                        IRenderer.RENDER_REQUEST);
206:                                return;
207:                            }
208:                        }
209:                    }
210:
211:                    public void visit(RenderExecutorComposite executor) {
212:                        for (RenderExecutor child : executor.getRenderer()
213:                                .getRenderExecutors())
214:                            child.visit(this );
215:                    }
216:                });
217:            }
218:
219:            /**
220:             * @see net.refractions.udig.project.render.IRenderManager#clearSelection(ILayer)
221:             */
222:            public void clearSelection(ILayer layer) {
223:                checkState();
224:                if (getMapDisplay() == null || getRenderExecutor() == null)
225:                    return;
226:                final Layer selectionLayer = getRendererCreator()
227:                        .findSelectionLayer(layer);
228:
229:                if (selectionLayer == null)
230:                    return;
231:
232:                try {
233:                    CompositeRendererImpl compositeRendererImpl = (CompositeRendererImpl) getRenderExecutor()
234:                            .getRenderer();
235:                    compositeRendererImpl.refreshImage();
236:                    compositeRendererImpl.setState(IRenderer.DONE);
237:
238:                } catch (RenderException e) {
239:                    ProjectUIPlugin.log("", e); //$NON-NLS-1$
240:                }
241:            }
242:
243:            /**
244:             * <!-- begin-user-doc --> <!-- end-user-doc -->
245:             * 
246:             * @generated NOT
247:             */
248:            @SuppressWarnings("unchecked")
249:            public void refresh(final Envelope bounds) {
250:                if (Display.getCurrent() != null) {
251:                    PlatformGIS.run(new ISafeRunnable() {
252:
253:                        public void handleException(Throwable exception) {
254:                            ProjectUIPlugin.log("", exception); //$NON-NLS-1$
255:                        }
256:
257:                        public void run() throws Exception {
258:                            doInternalRefresh(bounds);
259:                        }
260:
261:                    });
262:                } else {
263:                    doInternalRefresh(bounds);
264:                }
265:            }
266:
267:            @SuppressWarnings("unchecked")
268:            private void doInternalRefresh(Envelope bounds) {
269:                checkState();
270:                getViewportModelInternal().setInitialized(true);
271:                if (getMapDisplay() == null) {
272:                    return;
273:                }
274:                if (getMapDisplay().getWidth() < 1
275:                        || getMapDisplay().getHeight() < 1)
276:                    return;
277:
278:                getRendererCreator().reset();
279:                validateRendererConfiguration();
280:
281:                if (!getMapInternal().getContextModel().eAdapters().contains(
282:                        contextModelAdapter))
283:                    getMapInternal().getContextModel().eAdapters().add(
284:                            contextModelAdapter);
285:
286:                try {
287:                    getRenderExecutor().setRenderBounds(bounds);
288:                    getRenderExecutor().render();
289:                } catch (RenderException e) {
290:                    // Won't happen
291:                }
292:            }
293:
294:            void initRenderCreator(RenderContext context) {
295:                checkState();
296:                List<Layer> layers = getMapInternal().getLayersInternal();
297:                // make sure renderer creator is initialized.
298:                getRendererCreator().setContext(context);
299:                ENotificationImpl notification = new ENotificationImpl(this ,
300:                        Notification.ADD_MANY,
301:                        ProjectPackage.CONTEXT_MODEL__LAYERS, null, layers);
302:                getRendererCreator().changed(notification);
303:
304:            }
305:
306:            /**
307:             * <!-- begin-user-doc --> <!-- end-user-doc -->
308:             * 
309:             * @generated NOT
310:             */
311:            @SuppressWarnings("unchecked")
312:            public void dispose() {
313:                configuration = null;
314:                Set<EObject> set = new HashSet<EObject>();
315:                set.add(getMapInternal());
316:                Iterator<EObject> iter = getMapInternal().eAllContents();
317:                while (iter.hasNext()) {
318:                    EObject obj = iter.next();
319:                    removeAdapters(obj);
320:                }
321:                removeAdapters(getRenderExecutor());
322:                ((ViewportPane) mapDisplay).setRenderManager(null);
323:                super .dispose();
324:            }
325:
326:            /**
327:             * @param obj
328:             */
329:            private void removeAdapters(EObject obj) {
330:                obj.eAdapters().remove(this .viewportListener);
331:                obj.eAdapters().remove(this .viewportModelChangeListener);
332:                obj.eAdapters().remove(this .contextModelAdapter);
333:                obj.eAdapters().remove(this .renderExecutorListener);
334:                obj.eAdapters().remove(this .selectionListener);
335:            }
336:
337:            /**
338:             * <!-- begin-user-doc --> <!-- end-user-doc -->
339:             * 
340:             * @generated
341:             */
342:            public void setDisplayGen(IMapDisplay newDisplay) {
343:                IMapDisplay oldDisplay = mapDisplay;
344:                mapDisplay = newDisplay;
345:                if (eNotificationRequired())
346:                    eNotify(new ENotificationImpl(this , Notification.SET,
347:                            RenderPackage.RENDER_MANAGER__MAP_DISPLAY,
348:                            oldDisplay, mapDisplay));
349:            }
350:
351:            /**
352:             * TODO summary sentence for setViewport ...
353:             * 
354:             * @see net.refractions.udig.project.render.RenderManager#setDisplay(net.refractions.udig.project.render.displayAdapter.IMapDisplay)
355:             * @param value
356:             */
357:            public void setDisplay(IMapDisplay value) {
358:                checkState();
359:                ((ViewportPane) value).setRenderManager(this );
360:                setDisplayGen(value);
361:            }
362:
363:            Adapter renderExecutorListener = RenderManagerAdapters
364:                    .getRenderExecutorListener(this );
365:
366:            /**
367:             * @see net.refractions.udig.project.render.impl.RenderManagerImpl#setRenderExecutor(net.refractions.udig.project.render.RenderExecutor)
368:             */
369:            @SuppressWarnings("unchecked")
370:            public void setRenderExecutor(RenderExecutor newRenderExecutor) {
371:                checkState();
372:                if (renderExecutor != null) {
373:                    renderExecutor.eAdapters().remove(renderExecutorListener);
374:                }
375:                if (newRenderExecutor != null
376:                        && !newRenderExecutor.eAdapters().contains(
377:                                renderExecutorListener)) {
378:                    newRenderExecutor.eAdapters().add(renderExecutorListener);
379:                }
380:                super .setRenderExecutor(newRenderExecutor);
381:            }
382:
383:            Adapter selectionListener = RenderManagerAdapters
384:                    .createLayerListener(this );
385:
386:            /**
387:             * @see net.refractions.udig.project.render.impl.RenderManagerImpl#basicSetMap(net.refractions.udig.project.Map,
388:             *      org.eclipse.emf.common.notify.NotificationChain)
389:             */
390:            @SuppressWarnings("unchecked")
391:            public NotificationChain basicSetMapInternal(Map newMap,
392:                    NotificationChain msgs) {
393:                if (getMapInternal() != null) {
394:                    getMapInternal().eAdapters().remove(selectionListener);
395:                    getMapInternal().removeDeepAdapter(selectionListener);
396:                }
397:                if (newMap != null) {
398:                    newMap.eAdapters().add(selectionListener);
399:                    newMap.addDeepAdapter(selectionListener);
400:                }
401:                return super .basicSetMapInternal(newMap, msgs);
402:            }
403:
404:            public volatile Collection<RenderContext> configuration = null;
405:
406:            /**
407:             * Ensures that the current configuration of renderer is a valid choice. For example the each of
408:             * the layers in the map has a renderer that can render it.
409:             */
410:            public void validateRendererConfiguration() {
411:                checkState();
412:                Collection<RenderContext> configuration;
413:                synchronized (this ) {
414:                    if (this .configuration == null) {
415:                        configuration = null;
416:                    } else {
417:                        configuration = new ArrayList<RenderContext>(
418:                                this .configuration);
419:                    }
420:                }
421:                Collection<RenderContext> configuration2;
422:                if (configuration != null) {
423:                    configuration2 = getRendererCreator().getConfiguration();
424:                    List<RenderContext> removeList = new ArrayList<RenderContext>();
425:                    List<RenderContext> addList = new ArrayList<RenderContext>();
426:                    for (IRenderContext context : configuration) {
427:                        if (!configuration2.contains(context))
428:                            removeList.add((RenderContext) context);
429:                    }
430:                    for (RenderContext context : configuration2) {
431:                        if (configuration.contains(context))
432:                            continue;
433:
434:                        addList.add(context);
435:                    }
436:                    CompositeRenderContext compositecontext = (CompositeRenderContext) getRenderExecutor()
437:                            .getContext();
438:                    compositecontext.removeContexts(removeList);
439:                    if (!addList.isEmpty())
440:                        compositecontext.removeContexts(addList);
441:                    compositecontext.addContexts(addList);
442:
443:                } else {
444:                    initRenderExecutor();
445:                    configuration2 = getRendererCreator().getConfiguration();
446:
447:                    CompositeRenderContext compositecontext = (CompositeRenderContext) getRenderExecutor()
448:                            .getContext();
449:                    // need this because this is taking place in a non-synchronized block so it is possible for 
450:                    // this code to be executed twice.  I want the second run to be accurate.
451:                    // might need to be thought about more.
452:                    compositecontext.clear();
453:                    compositecontext.addContexts(configuration2);
454:                }
455:                synchronized (this ) {
456:                    this .configuration = configuration2;
457:                }
458:                logRendererTypes();
459:
460:            }
461:
462:            /**
463:             * 
464:             */
465:            private void initRenderExecutor() {
466:                checkState();
467:                MultiLayerRenderer renderExecutor = RenderFactory.eINSTANCE
468:                        .createCompositeRenderer();
469:                CompositeRenderContext context = new CompositeRenderContextImpl() {
470:                    @Override
471:                    public synchronized BufferedImage getImage(int width,
472:                            int height) {
473:                        if (image == null || image.getWidth() < width
474:                                || image.getHeight() < height) {
475:                            image = new BufferedImage(width, height,
476:                                    BufferedImage.TYPE_3BYTE_BGR);
477:                            Graphics2D g = image.createGraphics();
478:                            g.setBackground(Color.WHITE);
479:                            g.clearRect(0, 0, width, height);
480:                            g.dispose();
481:                        }
482:
483:                        return image;
484:                    }
485:
486:                    @Override
487:                    public synchronized void clearImage(Rectangle paintArea) {
488:                        if (image == null)
489:                            return;
490:                        Graphics2D g = image.createGraphics();
491:                        g.setBackground(Color.WHITE);
492:                        g.clearRect(paintArea.x, paintArea.y, paintArea.width,
493:                                paintArea.height);
494:                        g.dispose();
495:                        ////              FIXME Arbonaut Oy , Vitali Diatchkov
496:                        //                System.out.println("synchronized CompositeRenderContext.clearImage()");
497:                    }
498:
499:                };
500:                context.setMapInternal(getMapInternal());
501:                context.setRenderManagerInternal(this );
502:                renderExecutor.setContext(context);
503:
504:                initRenderCreator(context);
505:
506:                renderExecutor.setName(Messages.RenderManagerDynamic_allLayers);
507:                setRenderExecutor(RenderFactory.eINSTANCE
508:                        .createRenderExecutor(renderExecutor));
509:            }
510:
511:            private void logRendererTypes() {
512:                if (ProjectUIPlugin.isDebugging(RENDER)) {
513:
514:                    final StringBuffer log = new StringBuffer(
515:                            "Current Renderers:"); //$NON-NLS-1$
516:                    getRenderExecutor().visit(new ExecutorVisitor() {
517:                        public void visit(RenderExecutor executor) {
518:                            log
519:                                    .append("\n\t" + executor.getClass().getSimpleName() + ":" + //$NON-NLS-1$ //$NON-NLS-2$
520:                                            executor.getRenderer().getClass()
521:                                                    .getSimpleName()
522:                                            + "-" + //$NON-NLS-1$
523:                                            executor.getContext().getLayer()
524:                                                    .getName());
525:                        }
526:
527:                        public void visit(RenderExecutorComposite executor) {
528:                            log
529:                                    .append("\n\t" + executor.getRenderer().getClass().getSimpleName()); //$NON-NLS-1$
530:                            for (RenderExecutor child : executor.getRenderer()
531:                                    .getRenderExecutors())
532:                                child.visit(this );
533:                        }
534:
535:                        public void visit(RenderExecutorMultiLayer executor) {
536:                            log
537:                                    .append("\n\t" + executor.getRenderer().getClass().getSimpleName()); //$NON-NLS-1$
538:                        }
539:                    });
540:                    System.out.println(log);
541:                }
542:            }
543:
544:            /**
545:             * <!-- begin-user-doc --> <!-- end-user-doc -->
546:             * 
547:             * @generated
548:             */
549:            public RenderExecutor getRenderExecutor() {
550:                checkState();
551:                if (renderExecutor == null) {
552:                    initRenderExecutor();
553:                }
554:
555:                return renderExecutor;
556:            }
557:        } // RenderManagerImpl
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