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/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tasktop Technologies - initial API and implementation
* Jingwen Ou - improvements
* David Green- bug 244352
*******************************************************************************/
package org.eclipse.mylyn.internal.sandbox.ui.hyperlinks;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.core.search.SearchMatch;
import org.eclipse.jdt.core.search.SearchParticipant;
import org.eclipse.jdt.core.search.SearchPattern;
import org.eclipse.jdt.core.search.SearchRequestor;
import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
import org.eclipse.jdt.internal.ui.JavaUIMessages;
import org.eclipse.jdt.internal.ui.dialogs.OpenTypeSelectionDialog;
import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.progress.UIJob;
/**
* Truncated class of JavaStackTraceFileHyperlink, open a hyperlink using OpenTypeAction
*
* @author Rob Elves
*/
public class JavaResourceHyperlink implements IHyperlink {
private final IRegion region;
private final String typeName;
public JavaResourceHyperlink(IRegion region, String typeName) {
this.region = region;
this.typeName = typeName;
}
public IRegion getHyperlinkRegion() {
return region;
}
public String getHyperlinkText() {
return "Open " + typeName;
}
public String getTypeLabel() {
return null;
}
public void open() {
startSourceSearch(typeName);
}
/**
* Starts a search for the type with the given name. Reports back to 'searchCompleted(...)'.
*
* @param typeName
* the type to search for
*/
protected void startSourceSearch(final String typeName) {
Job search = new Job("Searching...") {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
// search for the type in the workspace
final List<IType> results = new ArrayList<IType>();
SearchRequestor collector = new SearchRequestor() {
@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
Object element = match.getElement();
if (element instanceof IType) {
results.add((IType) element);
}
}
};
// do a case-sensitive search for the class name see bug 244352
SearchEngine engine = new SearchEngine();
SearchPattern pattern = SearchPattern.createPattern(typeName, IJavaSearchConstants.TYPE,
IJavaSearchConstants.DECLARATIONS, SearchPattern.R_EXACT_MATCH
| SearchPattern.R_CASE_SENSITIVE);
engine.search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() },
SearchEngine.createWorkspaceScope(), collector, monitor);
searchCompleted(results, typeName, null);
} catch (CoreException e) {
searchCompleted(null, typeName, e.getStatus());
}
return Status.OK_STATUS;
}
};
search.schedule();
}
protected void searchCompleted(final List<IType> sources, final String typeName, final IStatus status) {
UIJob job = new UIJob("link search complete") { //$NON-NLS-1$
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
if (sources.size() > 1) {
openTypeDialog(typeName);
} else if (sources.size() == 1 && sources.get(0) != null) {
IType type = sources.get(0);
processSearchResult(type, typeName);
} else {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
"Open Type", "Type could not be located.");
}
return Status.OK_STATUS;
}
};
job.setSystem(true);
job.schedule();
}
/**
* The search succeeded with the given result
*
* @param source
* resolved source object for the search
* @param typeName
* type name searched for
*/
protected void processSearchResult(Object source, String typeName) {
IDebugModelPresentation presentation = JDIDebugUIPlugin.getDefault().getModelPresentation();
IEditorInput editorInput = presentation.getEditorInput(source);
if (editorInput != null) {
String editorId = presentation.getEditorId(editorInput, source);
if (editorId != null) {
try {
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().openEditor(editorInput,
editorId);
} catch (CoreException e) {
MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
"Open Type", "Failed to open type.");
}
}
}
}
private void openTypeDialog(final String typeName) {
OpenTypeSelectionDialog dialog = new OpenTypeSelectionDialog(PlatformUI.getWorkbench()
.getActiveWorkbenchWindow()
.getShell(), true, PlatformUI.getWorkbench().getProgressService(), null, IJavaSearchConstants.TYPE);
dialog.setTitle("Open Hyperlink");
dialog.setMessage("More than one types are detected, please select one:");
dialog.setHelpAvailable(false);
dialog.setInitialPattern(typeName);
int result = dialog.open();
if (result != IDialogConstants.OK_ID) {
return;
}
Object[] types = dialog.getResult();
if (types != null && types.length > 0) {
IType type = null;
for (Object type2 : types) {
type = (IType) type2;
try {
JavaUI.openInEditor(type, true, true);
} catch (CoreException x) {
ExceptionHandler.handle(x, JavaUIMessages.OpenTypeAction_errorTitle,
JavaUIMessages.OpenTypeAction_errorMessage);
}
}
}
}
}
|
