Source Code Cross Referenced for StartupOpenMaps.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:         * 
003:         */package net.refractions.udig.project.ui.internal;
004:
005:        import java.io.File;
006:        import java.io.IOException;
007:        import java.lang.reflect.InvocationTargetException;
008:        import java.net.MalformedURLException;
009:        import java.net.URL;
010:        import java.util.ArrayList;
011:        import java.util.List;
012:
013:        import net.refractions.udig.internal.ui.UDIGDropHandler;
014:        import net.refractions.udig.project.IProjectElement;
015:        import net.refractions.udig.project.internal.ProjectPlugin;
016:        import net.refractions.udig.project.ui.ApplicationGIS;
017:        import net.refractions.udig.project.ui.commands.OpenProjectElementCommand;
018:        import net.refractions.udig.project.ui.preferences.PreferenceConstants;
019:        import net.refractions.udig.ui.IDropAction;
020:        import net.refractions.udig.ui.IDropHandlerListener;
021:        import net.refractions.udig.ui.PlatformGIS;
022:
023:        import org.eclipse.core.runtime.IProgressMonitor;
024:        import org.eclipse.core.runtime.Platform;
025:        import org.eclipse.emf.common.util.URI;
026:        import org.eclipse.emf.ecore.resource.Resource;
027:        import org.eclipse.jface.operation.IRunnableWithProgress;
028:        import org.eclipse.jface.preference.IPreferenceStore;
029:        import org.eclipse.jface.viewers.Viewer;
030:        import org.eclipse.swt.widgets.Composite;
031:        import org.eclipse.ui.IEditorInput;
032:        import org.eclipse.ui.IEditorSite;
033:        import org.eclipse.ui.IStartup;
034:        import org.eclipse.ui.PartInitException;
035:        import org.eclipse.ui.PlatformUI;
036:        import org.eclipse.ui.intro.IIntroManager;
037:        import org.eclipse.ui.intro.IIntroPart;
038:        import org.eclipse.ui.part.EditorPart;
039:        import org.geotools.referencing.CRS;
040:        import org.opengis.referencing.NoSuchAuthorityCodeException;
041:
042:        /**
043:         * Loads the maps from the previous session and processes the commandline arguments. If the DND
044:         * extension point will be called so that it will act as if the url/string whatever was dropped on
045:         * the application. So if a url to shapefile is on the commandline a new map will be openned and
046:         * will display the shapefile.
047:         * 
048:         * @author jones
049:         */
050:        public class StartupOpenMaps implements  IStartup {
051:
052:            private String[] args;
053:
054:            public StartupOpenMaps() {
055:                args = Platform.getApplicationArgs();
056:            }
057:
058:            /**
059:             * @see org.eclipse.ui.IStartup#earlyStartup()
060:             */
061:            public void earlyStartup() {
062:
063:                List<URL> urls = new ArrayList<URL>(args.length);
064:
065:                for (String string : args) {
066:                    String urlString = string;
067:                    try {
068:                        if (urlString.startsWith("-")) { //$NON-NLS-1$
069:                            continue;
070:                        }
071:                        // try to make string a url
072:                        if (!urlString.contains(":/")) { //$NON-NLS-1$
073:                            File file = new File(urlString);
074:                            if (!file.exists())
075:                                continue;
076:                            urlString = file.toURL().toString();
077:                        }
078:                        if (urlString.startsWith("file:/")) {//$NON-NLS-1$
079:                            try {
080:                                new URL(urlString);
081:                            } catch (IOException ie) {
082:                                String tmp = urlString.substring(5);
083:                                if (tmp.contains(":")) { //$NON-NLS-1$
084:                                    tmp = tmp.substring(tmp.indexOf(":")); //$NON-NLS-1$
085:                                }
086:                                File file = new File(tmp);
087:                                if (!file.exists())
088:                                    continue;
089:                            }
090:                        }
091:
092:                        urls.add(new URL(urlString));
093:
094:                    } catch (MalformedURLException e) {
095:                        // ignore
096:                    }
097:                }
098:
099:                if (!urls.isEmpty()) {
100:                    final List<URL> finalurls = urls;
101:                    final String title = Messages.StartupOpenMaps_openURLDialogTitle;
102:                    final IRunnableWithProgress openMapRunnable = new IRunnableWithProgress() {
103:
104:                        public void run(IProgressMonitor monitor)
105:                                throws InvocationTargetException,
106:                                InterruptedException {
107:                            dropURLS(finalurls, monitor);
108:                        }
109:
110:                    };
111:                    PlatformGIS.runInProgressDialog(title, true,
112:                            openMapRunnable, true);
113:                } else {
114:                    IPreferenceStore p = ProjectUIPlugin.getDefault()
115:                            .getPreferenceStore();
116:                    boolean proceed = p
117:                            .getBoolean(PreferenceConstants.P_OPEN_MAPS_ON_STARTUP);
118:                    if (!proceed) {
119:                        return;
120:                    }
121:                    int numEditors = p.getInt(MapEditor.ID);
122:                    if (numEditors == 0)
123:                        return;
124:                    final String title = Messages.StartupOpenMaps_openMapDialogTitle;
125:                    final IRunnableWithProgress openMapRunnable = new IRunnableWithProgress() {
126:
127:                        public void run(IProgressMonitor monitor)
128:                                throws InvocationTargetException,
129:                                InterruptedException {
130:                            openLastOpenMaps(monitor);
131:                        }
132:
133:                    };
134:
135:                    PlatformGIS.runInProgressDialog(title, true,
136:                            openMapRunnable, true);
137:                }
138:            }
139:
140:            /**
141:             * Opens maps from previous section. Only opens if there are no maps in the arguments, IE no
142:             * maps dropped onto uDig icon or udig was not started by clicking on an associated file.
143:             */
144:            private void openLastOpenMaps(IProgressMonitor monitor) {
145:                IPreferenceStore p = ProjectUIPlugin.getDefault()
146:                        .getPreferenceStore();
147:                int numEditors = p.getInt(MapEditor.ID);
148:                monitor.beginTask(Messages.StartupOpenMaps_openMapDialogTitle,
149:                        numEditors * 2 + 2);
150:                p.setValue(MapEditor.ID, 0);
151:
152:                for (int i = 0; i < numEditors; i++) {
153:                    monitor.worked(1);
154:                    String id = MapEditor.ID + ":" + i; //$NON-NLS-1$
155:                    String name = p.getString(id);
156:                    if (name == null || name.equals("")) //$NON-NLS-1$
157:                        continue;
158:                    p.setValue(id, ""); //$NON-NLS-1$
159:                    if (!monitor.isCanceled()) {
160:                        monitor
161:                                .setTaskName(Messages.StartupOpenMaps_loadingTask
162:                                        + name);
163:                        URI mapResourceURI = URI.createURI(name);
164:                        Resource resource = ProjectPlugin.getPlugin()
165:                                .getProjectRegistry().eResource()
166:                                .getResourceSet().getResource(mapResourceURI,
167:                                        true);
168:
169:                        monitor.worked(1);
170:                        // kick the classloader so that the CRS plugins are loaded correctly.
171:                        try {
172:                            CRS.decode("EPSG:4326"); //$NON-NLS-1$
173:                        } catch (NoSuchAuthorityCodeException e) {
174:                            throw (RuntimeException) new RuntimeException()
175:                                    .initCause(e);
176:                        }
177:                        final Object object = resource.getContents().get(0);
178:                        if (object instanceof  IProjectElement) {
179:                            OpenProjectElementCommand command = new OpenProjectElementCommand(
180:                                    (IProjectElement) object);
181:                            monitor
182:                                    .setTaskName(Messages.StartupOpenMaps_OpenTask
183:                                            + ": " //$NON-NLS-1$
184:                                            + ((IProjectElement) object)
185:                                                    .getName());
186:                            ApplicationGIS.getActiveProject().sendSync(command);
187:                        }
188:                    }
189:                }
190:            }
191:
192:            private void dropURLS(List<URL> urls, IProgressMonitor monitor) {
193:                monitor.beginTask(Messages.StartupOpenMaps_openURLDialogTitle,
194:                        urls.size() * 1 + 2);
195:                monitor.worked(1);
196:                Viewer viewer = LayersView.getViewer();
197:                if (viewer == null)
198:                    ProjectUIPlugin.trace(getClass(),
199:                            "Layers View is not available", (Exception) null); //$NON-NLS-1$
200:
201:                UDIGDropHandler dropHandler = new UDIGDropHandler();
202:                dropHandler.setTarget(new EditorPart() {
203:
204:                    @Override
205:                    public void doSave(IProgressMonitor monitor) {
206:                    }
207:
208:                    @Override
209:                    public void doSaveAs() {
210:                    }
211:
212:                    @Override
213:                    public void init(IEditorSite site, IEditorInput input)
214:                            throws PartInitException {
215:                    }
216:
217:                    @Override
218:                    public boolean isDirty() {
219:                        return false;
220:                    }
221:
222:                    @Override
223:                    public boolean isSaveAsAllowed() {
224:                        return false;
225:                    }
226:
227:                    @Override
228:                    public void createPartControl(Composite parent) {
229:                    }
230:
231:                    @Override
232:                    public void setFocus() {
233:                    }
234:
235:                });
236:
237:                closeIntro();
238:
239:                for (URL url : urls) {
240:                    monitor.worked(1);
241:                    monitor.setTaskName(Messages.StartupOpenMaps_processingTask
242:                            + ": " + url); //$NON-NLS-1$
243:                    if (monitor.isCanceled())
244:                        break;
245:                    ProcessingURLSListener listener = new ProcessingURLSListener(
246:                            this );
247:                    try {
248:                        dropHandler.addListener(listener);
249:                        dropHandler.performDrop(url, null);
250:                        while (!listener.processed && !monitor.isCanceled()) {
251:                            synchronized (this ) {
252:                                try {
253:                                    wait(500);
254:                                } catch (InterruptedException e) {
255:                                    return;
256:                                }
257:                            }
258:                        }
259:                    } finally {
260:                        dropHandler.removeListener(listener);
261:                    }
262:                }
263:            }
264:
265:            private void closeIntro() {
266:                PlatformGIS.syncInDisplayThread(new Runnable() {
267:
268:                    public void run() {
269:                        IIntroManager introManager = PlatformUI.getWorkbench()
270:                                .getIntroManager();
271:                        IIntroPart intro = introManager.getIntro();
272:                        if (intro != null)
273:                            introManager.closeIntro(intro);
274:                    }
275:
276:                });
277:            }
278:
279:            public void testingSetArgs(String[] strings) {
280:                if (strings == null)
281:                    this .args = new String[0];
282:                else {
283:
284:                    this .args = new String[strings.length];
285:                    System.arraycopy(strings, 0, this .args, 0, args.length);
286:                }
287:            }
288:
289:            private static class ProcessingURLSListener implements 
290:                    IDropHandlerListener {
291:                volatile boolean processed = false;
292:                StartupOpenMaps lock;
293:
294:                public ProcessingURLSListener(StartupOpenMaps maps) {
295:                    lock = maps;
296:                }
297:
298:                public void done(IDropAction action, Throwable t) {
299:                    processed = true;
300:
301:                    synchronized (lock) {
302:                        lock.notify();
303:                    }
304:                }
305:
306:                public void starting(IDropAction action) {
307:                }
308:
309:                public void noAction(Object data) {
310:                    processed = true;
311:                    synchronized (lock) {
312:                        lock.notify();
313:                    }
314:                }
315:
316:            }
317:
318:        }
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