| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.dialogs; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.ProgressMonitorWrapper; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.ControlAdapter; |
| import org.eclipse.swt.events.ControlEvent; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.KeyAdapter; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.events.MenuAdapter; |
| import org.eclipse.swt.events.MenuEvent; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableItem; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| |
| import org.eclipse.ui.progress.UIJob; |
| |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.WorkingCopyOwner; |
| import org.eclipse.jdt.core.search.IJavaSearchConstants; |
| import org.eclipse.jdt.core.search.IJavaSearchScope; |
| import org.eclipse.jdt.core.search.SearchEngine; |
| import org.eclipse.jdt.core.search.SearchPattern; |
| import org.eclipse.jdt.core.search.TypeNameRequestor; |
| |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| import org.eclipse.jdt.internal.corext.util.Strings; |
| import org.eclipse.jdt.internal.corext.util.TypeFilter; |
| import org.eclipse.jdt.internal.corext.util.TypeInfo; |
| import org.eclipse.jdt.internal.corext.util.TypeInfoFactory; |
| import org.eclipse.jdt.internal.corext.util.TypeInfoFilter; |
| import org.eclipse.jdt.internal.corext.util.OpenTypeHistory; |
| import org.eclipse.jdt.internal.corext.util.UnresolvableTypeInfo; |
| import org.eclipse.jdt.internal.corext.util.TypeInfo.TypeInfoAdapter; |
| |
| import org.eclipse.jdt.launching.IVMInstall; |
| import org.eclipse.jdt.launching.IVMInstallType; |
| import org.eclipse.jdt.launching.JavaRuntime; |
| import org.eclipse.jdt.launching.LibraryLocation; |
| |
| import org.eclipse.jdt.ui.JavaElementLabels; |
| import org.eclipse.jdt.ui.dialogs.ITypeInfoFilterExtension; |
| import org.eclipse.jdt.ui.dialogs.ITypeInfoImageProvider; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| import org.eclipse.jdt.internal.ui.JavaUIMessages; |
| import org.eclipse.jdt.internal.ui.viewsupport.JavaElementImageProvider; |
| |
| /** |
| * A viewer to present type queried form the type history and form the |
| * search engine. All viewer updating takes place in the UI thread. |
| * Therefore no synchronization of the methods is necessary. |
| * |
| * @since 3.1 |
| */ |
| public class TypeInfoViewer { |
| |
| private static class SearchRequestor extends TypeNameRequestor { |
| private volatile boolean fStop; |
| |
| private Set fHistory; |
| |
| private TypeInfoFilter fFilter; |
| private TypeInfoFactory fFactory= new TypeInfoFactory(); |
| private List fResult; |
| |
| public SearchRequestor(TypeInfoFilter filter) { |
| super(); |
| fResult= new ArrayList(2048); |
| fFilter= filter; |
| } |
| public TypeInfo[] getResult() { |
| return (TypeInfo[])fResult.toArray(new TypeInfo[fResult.size()]); |
| } |
| public void cancel() { |
| fStop= true; |
| } |
| public void setHistory(Set history) { |
| fHistory= history; |
| } |
| public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) { |
| if (fStop) |
| return; |
| if (TypeFilter.isFiltered(packageName, simpleTypeName)) |
| return; |
| TypeInfo type= fFactory.create(packageName, simpleTypeName, enclosingTypeNames, modifiers, path); |
| if (fHistory.contains(type)) |
| return; |
| if (fFilter.matchesFilterExtension(type)) |
| fResult.add(type); |
| } |
| } |
| |
| protected static class TypeInfoComparator implements Comparator { |
| private TypeInfoLabelProvider fLabelProvider; |
| private TypeInfoFilter fFilter; |
| public TypeInfoComparator(TypeInfoLabelProvider labelProvider, TypeInfoFilter filter) { |
| fLabelProvider= labelProvider; |
| fFilter= filter; |
| } |
| public int compare(Object left, Object right) { |
| TypeInfo leftInfo= (TypeInfo)left; |
| TypeInfo rightInfo= (TypeInfo)right; |
| int leftCategory= getCamelCaseCategory(leftInfo); |
| int rightCategory= getCamelCaseCategory(rightInfo); |
| if (leftCategory < rightCategory) |
| return -1; |
| if (leftCategory > rightCategory) |
| return +1; |
| int result= compareName(leftInfo.getTypeName(), rightInfo.getTypeName()); |
| if (result != 0) |
| return result; |
| result= compareTypeContainerName(leftInfo.getTypeContainerName(), rightInfo.getTypeContainerName()); |
| if (result != 0) |
| return result; |
| |
| leftCategory= getElementTypeCategory(leftInfo); |
| rightCategory= getElementTypeCategory(rightInfo); |
| if (leftCategory < rightCategory) |
| return -1; |
| if (leftCategory > rightCategory) |
| return +1; |
| return compareContainerName(leftInfo, rightInfo); |
| } |
| private int compareName(String leftString, String rightString) { |
| int result= leftString.compareToIgnoreCase(rightString); |
| if (result != 0) { |
| return result; |
| } else if (Strings.isLowerCase(leftString.charAt(0)) && |
| !Strings.isLowerCase(rightString.charAt(0))) { |
| return +1; |
| } else if (Strings.isLowerCase(rightString.charAt(0)) && |
| !Strings.isLowerCase(leftString.charAt(0))) { |
| return -1; |
| } else { |
| return leftString.compareTo(rightString); |
| } |
| } |
| private int compareTypeContainerName(String leftString, String rightString) { |
| int leftLength= leftString.length(); |
| int rightLength= rightString.length(); |
| if (leftLength == 0 && rightLength > 0) |
| return -1; |
| if (leftLength == 0 && rightLength == 0) |
| return 0; |
| if (leftLength > 0 && rightLength == 0) |
| return +1; |
| return compareName(leftString, rightString); |
| } |
| private int compareContainerName(TypeInfo leftType, TypeInfo rightType) { |
| return fLabelProvider.getContainerName(leftType).compareTo( |
| fLabelProvider.getContainerName(rightType)); |
| } |
| private int getCamelCaseCategory(TypeInfo type) { |
| if (fFilter == null) |
| return 0; |
| if (!fFilter.isCamcelCasePattern()) |
| return 0; |
| return fFilter.matchesRawNamePattern(type) ? 0 : 1; |
| } |
| private int getElementTypeCategory(TypeInfo type) { |
| if (type.getElementType() == TypeInfo.IFILE_TYPE_INFO) |
| return 0; |
| if (type.getElementType() == TypeInfo.JAR_FILE_ENTRY_TYPE_INFO) |
| return 1; |
| return 2; |
| } |
| } |
| |
| protected static class TypeInfoLabelProvider { |
| |
| private ITypeInfoImageProvider fProviderExtension; |
| private TypeInfoAdapter fAdapter= new TypeInfoAdapter(); |
| |
| private Map fLib2Name= new HashMap(); |
| private String[] fInstallLocations; |
| private String[] fVMNames; |
| |
| private boolean fFullyQualifyDuplicates; |
| |
| public TypeInfoLabelProvider(ITypeInfoImageProvider extension) { |
| fProviderExtension= extension; |
| List locations= new ArrayList(); |
| List labels= new ArrayList(); |
| IVMInstallType[] installs= JavaRuntime.getVMInstallTypes(); |
| for (int i= 0; i < installs.length; i++) { |
| processVMInstallType(installs[i], locations, labels); |
| } |
| fInstallLocations= (String[])locations.toArray(new String[locations.size()]); |
| fVMNames= (String[])labels.toArray(new String[labels.size()]); |
| |
| } |
| public void setFullyQualifyDuplicates(boolean value) { |
| fFullyQualifyDuplicates= value; |
| } |
| private void processVMInstallType(IVMInstallType installType, List locations, List labels) { |
| if (installType != null) { |
| IVMInstall[] installs= installType.getVMInstalls(); |
| boolean isMac= Platform.OS_MACOSX.equals(Platform.getOS()); |
| final String HOME_SUFFIX= "/Home"; //$NON-NLS-1$ |
| for (int i= 0; i < installs.length; i++) { |
| String label= getFormattedLabel(installs[i].getName()); |
| LibraryLocation[] libLocations= installs[i].getLibraryLocations(); |
| if (libLocations != null) { |
| processLibraryLocation(libLocations, label); |
| } else { |
| String filePath= installs[i].getInstallLocation().getAbsolutePath(); |
| // on MacOS X install locations end in an additional "/Home" segment; remove it |
| if (isMac && filePath.endsWith(HOME_SUFFIX)) |
| filePath= filePath.substring(0, filePath.length()- HOME_SUFFIX.length() + 1); |
| locations.add(filePath); |
| labels.add(label); |
| } |
| } |
| } |
| } |
| private void processLibraryLocation(LibraryLocation[] libLocations, String label) { |
| for (int l= 0; l < libLocations.length; l++) { |
| LibraryLocation location= libLocations[l]; |
| fLib2Name.put(location.getSystemLibraryPath().toString(), label); |
| } |
| } |
| private String getFormattedLabel(String name) { |
| return Messages.format(JavaUIMessages.TypeInfoViewer_library_name_format, name); |
| } |
| public String getText(Object element) { |
| return ((TypeInfo)element).getTypeName(); |
| } |
| public String getQualifiedText(TypeInfo type) { |
| StringBuffer result= new StringBuffer(); |
| result.append(type.getTypeName()); |
| String containerName= type.getTypeContainerName(); |
| result.append(JavaElementLabels.CONCAT_STRING); |
| if (containerName.length() > 0) { |
| result.append(containerName); |
| } else { |
| result.append(JavaUIMessages.TypeInfoViewer_default_package); |
| } |
| return result.toString(); |
| } |
| public String getFullyQualifiedText(TypeInfo type) { |
| StringBuffer result= new StringBuffer(); |
| result.append(type.getTypeName()); |
| String containerName= type.getTypeContainerName(); |
| if (containerName.length() > 0) { |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(containerName); |
| } |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(getContainerName(type)); |
| return result.toString(); |
| } |
| public String getText(TypeInfo last, TypeInfo current, TypeInfo next) { |
| StringBuffer result= new StringBuffer(); |
| int qualifications= 0; |
| String currentTN= current.getTypeName(); |
| result.append(currentTN); |
| String currentTCN= getTypeContainerName(current); |
| if (last != null) { |
| String lastTN= last.getTypeName(); |
| String lastTCN= getTypeContainerName(last); |
| if (currentTCN.equals(lastTCN)) { |
| if (currentTN.equals(lastTN)) { |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(currentTCN); |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(getContainerName(current)); |
| return result.toString(); |
| } |
| } else if (currentTN.equals(lastTN)) { |
| qualifications= 1; |
| } |
| } |
| if (next != null) { |
| String nextTN= next.getTypeName(); |
| String nextTCN= getTypeContainerName(next); |
| if (currentTCN.equals(nextTCN)) { |
| if (currentTN.equals(nextTN)) { |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(currentTCN); |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(getContainerName(current)); |
| return result.toString(); |
| } |
| } else if (currentTN.equals(nextTN)) { |
| qualifications= 1; |
| } |
| } |
| if (qualifications > 0) { |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(currentTCN); |
| if (fFullyQualifyDuplicates) { |
| result.append(JavaElementLabels.CONCAT_STRING); |
| result.append(getContainerName(current)); |
| } |
| } |
| return result.toString(); |
| } |
| public String getQualificationText(TypeInfo type) { |
| StringBuffer result= new StringBuffer(); |
| String containerName= type.getTypeContainerName(); |
| if (containerName.length() > 0) { |
| result.append(containerName); |
| result.append(JavaElementLabels.CONCAT_STRING); |
| } |
| result.append(getContainerName(type)); |
| return result.toString(); |
| } |
| public ImageDescriptor getImageDescriptor(Object element) { |
| TypeInfo type= (TypeInfo)element; |
| if (fProviderExtension != null) { |
| fAdapter.setInfo(type); |
| ImageDescriptor descriptor= fProviderExtension.getImageDescriptor(fAdapter); |
| if (descriptor != null) |
| return descriptor; |
| } |
| return JavaElementImageProvider.getTypeImageDescriptor( |
| type.isInnerType(), false, type.getModifiers(), false); |
| } |
| |
| private String getTypeContainerName(TypeInfo info) { |
| String result= info.getTypeContainerName(); |
| if (result.length() > 0) |
| return result; |
| return JavaUIMessages.TypeInfoViewer_default_package; |
| } |
| |
| private String getContainerName(TypeInfo type) { |
| String name= type.getPackageFragmentRootName(); |
| for (int i= 0; i < fInstallLocations.length; i++) { |
| if (name.startsWith(fInstallLocations[i])) { |
| return fVMNames[i]; |
| } |
| } |
| String lib= (String)fLib2Name.get(name); |
| if (lib != null) |
| return lib; |
| return name; |
| } |
| } |
| |
| private static class ProgressUpdateJob extends UIJob { |
| private TypeInfoViewer fViewer; |
| private boolean fStopped; |
| public ProgressUpdateJob(Display display, TypeInfoViewer viewer) { |
| super(display, JavaUIMessages.TypeInfoViewer_progressJob_label); |
| fViewer= viewer; |
| } |
| public void stop() { |
| fStopped= true; |
| cancel(); |
| } |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| if (stopped()) |
| return new Status(IStatus.CANCEL, JavaPlugin.getPluginId(), IStatus.CANCEL, "", null); //$NON-NLS-1$ |
| fViewer.updateProgressMessage(); |
| if (!stopped()) |
| schedule(300); |
| return new Status(IStatus.OK, JavaPlugin.getPluginId(), IStatus.OK, "", null); //$NON-NLS-1$ |
| } |
| private boolean stopped() { |
| return fStopped || fViewer.getTable().isDisposed(); |
| } |
| } |
| |
| private static class ProgressMonitor extends ProgressMonitorWrapper { |
| private TypeInfoViewer fViewer; |
| private String fName; |
| private int fTotalWork; |
| private double fWorked; |
| private boolean fDone; |
| |
| public ProgressMonitor(IProgressMonitor monitor, TypeInfoViewer viewer) { |
| super(monitor); |
| fViewer= viewer; |
| } |
| public void setTaskName(String name) { |
| super.setTaskName(name); |
| fName= name; |
| } |
| public void beginTask(String name, int totalWork) { |
| super.beginTask(name, totalWork); |
| if (fName == null) |
| fName= name; |
| fTotalWork= totalWork; |
| } |
| public void worked(int work) { |
| super.worked(work); |
| internalWorked(work); |
| } |
| public void done() { |
| fDone= true; |
| fViewer.setProgressMessage(""); //$NON-NLS-1$ |
| super.done(); |
| } |
| public void internalWorked(double work) { |
| fWorked= fWorked + work; |
| fViewer.setProgressMessage(getMessage()); |
| } |
| private String getMessage() { |
| if (fDone) { |
| return ""; //$NON-NLS-1$ |
| } else if (fTotalWork == 0) { |
| return fName; |
| } else { |
| return Messages.format( |
| JavaUIMessages.TypeInfoViewer_progress_label, |
| new Object[] { fName, new Integer((int)((fWorked * 100) / fTotalWork)) }); |
| } |
| } |
| } |
| |
| private static abstract class AbstractJob extends Job { |
| protected TypeInfoViewer fViewer; |
| protected AbstractJob(String name, TypeInfoViewer viewer) { |
| super(name); |
| fViewer= viewer; |
| setSystem(true); |
| } |
| protected final IStatus run(IProgressMonitor parent) { |
| ProgressMonitor monitor= new ProgressMonitor(parent, fViewer); |
| try { |
| fViewer.scheduleProgressUpdateJob(); |
| return doRun(monitor); |
| } finally { |
| fViewer.stopProgressUpdateJob(); |
| } |
| } |
| protected abstract IStatus doRun(ProgressMonitor monitor); |
| } |
| |
| private static abstract class AbstractSearchJob extends AbstractJob { |
| private int fMode; |
| |
| protected int fTicket; |
| protected TypeInfoLabelProvider fLabelProvider; |
| |
| protected TypeInfoFilter fFilter; |
| protected OpenTypeHistory fHistory; |
| |
| protected AbstractSearchJob(int ticket, TypeInfoViewer viewer, TypeInfoFilter filter, OpenTypeHistory history, int numberOfVisibleItems, int mode) { |
| super(JavaUIMessages.TypeInfoViewer_job_label, viewer); |
| fMode= mode; |
| fTicket= ticket; |
| fViewer= viewer; |
| fLabelProvider= fViewer.getLabelProvider(); |
| fFilter= filter; |
| fHistory= history; |
| } |
| public void stop() { |
| cancel(); |
| } |
| protected IStatus doRun(ProgressMonitor monitor) { |
| try { |
| if (VIRTUAL) { |
| internalRunVirtual(monitor); |
| } else { |
| internalRun(monitor); |
| } |
| } catch (CoreException e) { |
| fViewer.searchJobFailed(fTicket, e); |
| return new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.ERROR, JavaUIMessages.TypeInfoViewer_job_error, e); |
| } catch (InterruptedException e) { |
| return canceled(e, true); |
| } catch (OperationCanceledException e) { |
| return canceled(e, false); |
| } |
| fViewer.searchJobDone(fTicket); |
| return ok(); |
| } |
| protected abstract TypeInfo[] getSearchResult(Set filteredHistory, ProgressMonitor monitor) throws CoreException; |
| |
| private void internalRun(ProgressMonitor monitor) throws CoreException, InterruptedException { |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| |
| fViewer.clear(fTicket); |
| |
| // local vars to speed up rendering |
| TypeInfo last= null; |
| TypeInfo type= null; |
| TypeInfo next= null; |
| List elements= new ArrayList(); |
| List imageDescriptors= new ArrayList(); |
| List labels= new ArrayList(); |
| |
| Set filteredHistory= new HashSet(); |
| TypeInfo[] matchingTypes= fHistory.getFilteredTypeInfos(fFilter); |
| if (matchingTypes.length > 0) { |
| Arrays.sort(matchingTypes, new TypeInfoComparator(fLabelProvider, fFilter)); |
| type= matchingTypes[0]; |
| int i= 1; |
| while(type != null) { |
| next= (i == matchingTypes.length) ? null : matchingTypes[i]; |
| filteredHistory.add(type); |
| elements.add(type); |
| imageDescriptors.add(fLabelProvider.getImageDescriptor(type)); |
| labels.add(fLabelProvider.getText(last, type, next)); |
| last= type; |
| type= next; |
| i++; |
| } |
| } |
| matchingTypes= null; |
| fViewer.fExpectedItemCount= elements.size(); |
| fViewer.addHistory(fTicket, elements, imageDescriptors, labels); |
| |
| if ((fMode & INDEX) == 0) { |
| return; |
| } |
| TypeInfo[] result= getSearchResult(filteredHistory, monitor); |
| fViewer.fExpectedItemCount+= result.length; |
| if (result.length == 0) { |
| return; |
| } |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| int processed= 0; |
| int nextIndex= 1; |
| type= result[0]; |
| if (filteredHistory.size() > 0) { |
| fViewer.addDashLineAndUpdateLastHistoryEntry(fTicket, type); |
| } |
| while (true) { |
| long startTime= System.currentTimeMillis(); |
| elements.clear(); |
| imageDescriptors.clear(); |
| labels.clear(); |
| int delta = Math.min(nextIndex == 1 ? fViewer.getNumberOfVisibleItems() : 10, result.length - processed); |
| if (delta == 0) |
| break; |
| processed= processed + delta; |
| while(delta > 0) { |
| next= (nextIndex == result.length) ? null : result[nextIndex]; |
| elements.add(type); |
| labels.add(fLabelProvider.getText(last, type, next)); |
| imageDescriptors.add(fLabelProvider.getImageDescriptor(type)); |
| last= type; |
| type= next; |
| nextIndex++; |
| delta--; |
| } |
| fViewer.addAll(fTicket, elements, imageDescriptors, labels); |
| long sleep= 100 - (System.currentTimeMillis() - startTime); |
| if (false) |
| System.out.println("Sleeping for: " + sleep); //$NON-NLS-1$ |
| |
| if (sleep > 0) |
| Thread.sleep(sleep); |
| |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| } |
| } |
| private void internalRunVirtual(ProgressMonitor monitor) throws CoreException, InterruptedException { |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| |
| fViewer.clear(fTicket); |
| |
| TypeInfo[] matchingTypes= fHistory.getFilteredTypeInfos(fFilter); |
| fViewer.setHistoryResult(fTicket, matchingTypes); |
| if ((fMode & INDEX) == 0) |
| return; |
| |
| TypeInfo[] result= getSearchResult(new HashSet(Arrays.asList(matchingTypes)), monitor); |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| |
| fViewer.setSearchResult(fTicket, result); |
| } |
| private IStatus canceled(Exception e, boolean removePendingItems) { |
| fViewer.searchJobCanceled(fTicket, removePendingItems); |
| return new Status(IStatus.CANCEL, JavaPlugin.getPluginId(), IStatus.CANCEL, JavaUIMessages.TypeInfoViewer_job_cancel, e); |
| } |
| private IStatus ok() { |
| return new Status(IStatus.OK, JavaPlugin.getPluginId(), IStatus.OK, "", null); //$NON-NLS-1$ |
| } |
| } |
| |
| private static class SearchEngineJob extends AbstractSearchJob { |
| private IJavaSearchScope fScope; |
| private int fElementKind; |
| private SearchRequestor fReqestor; |
| |
| public SearchEngineJob(int ticket, TypeInfoViewer viewer, TypeInfoFilter filter, OpenTypeHistory history, int numberOfVisibleItems, int mode, |
| IJavaSearchScope scope, int elementKind) { |
| super(ticket, viewer, filter, history, numberOfVisibleItems, mode); |
| fScope= scope; |
| fElementKind= elementKind; |
| fReqestor= new SearchRequestor(filter); |
| } |
| public void stop() { |
| fReqestor.cancel(); |
| super.stop(); |
| } |
| protected TypeInfo[] getSearchResult(Set filteredHistory, ProgressMonitor monitor) throws CoreException { |
| long start= System.currentTimeMillis(); |
| fReqestor.setHistory(filteredHistory); |
| // consider primary working copies during searching |
| SearchEngine engine= new SearchEngine((WorkingCopyOwner)null); |
| String packPattern= fFilter.getPackagePattern(); |
| monitor.setTaskName(JavaUIMessages.TypeInfoViewer_searchJob_taskName); |
| engine.searchAllTypeNames( |
| packPattern == null ? null : packPattern.toCharArray(), |
| fFilter.getNamePattern().toCharArray(), |
| fFilter.getSearchFlags(), |
| fElementKind, |
| fScope, |
| fReqestor, |
| IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, |
| monitor); |
| if (DEBUG) |
| System.out.println("Time needed until search has finished: " + (System.currentTimeMillis() - start)); //$NON-NLS-1$ |
| TypeInfo[] result= fReqestor.getResult(); |
| Arrays.sort(result, new TypeInfoComparator(fLabelProvider, fFilter)); |
| if (DEBUG) |
| System.out.println("Time needed until sort has finished: " + (System.currentTimeMillis() - start)); //$NON-NLS-1$ |
| fViewer.rememberResult(fTicket, result); |
| return result; |
| } |
| } |
| |
| private static class CachedResultJob extends AbstractSearchJob { |
| private TypeInfo[] fLastResult; |
| public CachedResultJob(int ticket, TypeInfo[] lastResult, TypeInfoViewer viewer, TypeInfoFilter filter, OpenTypeHistory history, int numberOfVisibleItems, int mode) { |
| super(ticket, viewer, filter, history, numberOfVisibleItems, mode); |
| fLastResult= lastResult; |
| } |
| protected TypeInfo[] getSearchResult(Set filteredHistory, ProgressMonitor monitor) throws CoreException { |
| List result= new ArrayList(2048); |
| for (int i= 0; i < fLastResult.length; i++) { |
| TypeInfo type= fLastResult[i]; |
| if (filteredHistory.contains(type)) |
| continue; |
| if (fFilter.matchesCachedResult(type)) |
| result.add(type); |
| } |
| // we have to sort if the filter is a camel case filter. |
| TypeInfo[] types= (TypeInfo[])result.toArray(new TypeInfo[result.size()]); |
| if (fFilter.isCamcelCasePattern()) { |
| Arrays.sort(types, new TypeInfoComparator(fLabelProvider, fFilter)); |
| } |
| return types; |
| } |
| } |
| |
| private static class SyncJob extends AbstractJob { |
| public SyncJob(TypeInfoViewer viewer) { |
| super(JavaUIMessages.TypeInfoViewer_syncJob_label, viewer); |
| } |
| public void stop() { |
| cancel(); |
| } |
| protected IStatus doRun(ProgressMonitor monitor) { |
| try { |
| monitor.setTaskName(JavaUIMessages.TypeInfoViewer_syncJob_taskName); |
| new SearchEngine().searchAllTypeNames( |
| null, |
| // make sure we search a concrete name. This is faster according to Kent |
| "_______________".toCharArray(), //$NON-NLS-1$ |
| SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE, |
| IJavaSearchConstants.ENUM, |
| SearchEngine.createWorkspaceScope(), |
| new TypeNameRequestor() {}, |
| IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, |
| monitor); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| return new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.ERROR, JavaUIMessages.TypeInfoViewer_job_error, e); |
| } catch (OperationCanceledException e) { |
| return new Status(IStatus.CANCEL, JavaPlugin.getPluginId(), IStatus.CANCEL, JavaUIMessages.TypeInfoViewer_job_cancel, e); |
| } finally { |
| fViewer.syncJobDone(); |
| } |
| return new Status(IStatus.OK, JavaPlugin.getPluginId(), IStatus.OK, "", null); //$NON-NLS-1$ |
| } |
| } |
| |
| private static class DashLine { |
| private int fSeparatorWidth; |
| private String fMessage; |
| private int fMessageLength; |
| public String getText(int width) { |
| StringBuffer dashes= new StringBuffer(); |
| int chars= (((width - fMessageLength) / fSeparatorWidth) / 2) -2; |
| for (int i= 0; i < chars; i++) { |
| dashes.append(SEPARATOR); |
| } |
| StringBuffer result= new StringBuffer(); |
| result.append(dashes); |
| result.append(fMessage); |
| result.append(dashes); |
| return result.toString(); |
| } |
| public void initialize(GC gc) { |
| fSeparatorWidth= gc.getAdvanceWidth(SEPARATOR); |
| fMessage= " " + JavaUIMessages.TypeInfoViewer_separator_message + " "; //$NON-NLS-1$ //$NON-NLS-2$ |
| fMessageLength= gc.textExtent(fMessage).x; |
| } |
| } |
| |
| private static class ImageManager { |
| private Map fImages= new HashMap(20); |
| |
| public Image get(ImageDescriptor descriptor) { |
| if (descriptor == null) |
| descriptor= ImageDescriptor.getMissingImageDescriptor(); |
| |
| Image result= (Image)fImages.get(descriptor); |
| if (result != null) |
| return result; |
| result= descriptor.createImage(); |
| if (result != null) |
| fImages.put(descriptor, result); |
| return result; |
| } |
| |
| public void dispose() { |
| for (Iterator iter= fImages.values().iterator(); iter.hasNext(); ) { |
| Image image= (Image)iter.next(); |
| image.dispose(); |
| } |
| fImages.clear(); |
| } |
| } |
| |
| private Display fDisplay; |
| |
| private String fProgressMessage; |
| private Label fProgressLabel; |
| private int fProgressCounter; |
| private ProgressUpdateJob fProgressUpdateJob; |
| |
| private OpenTypeHistory fHistory; |
| |
| /* non virtual table */ |
| private int fNextElement; |
| private List fItems; |
| |
| /* virtual table */ |
| private TypeInfo[] fHistoryMatches; |
| private TypeInfo[] fSearchMatches; |
| |
| private int fNumberOfVisibleItems; |
| private int fExpectedItemCount; |
| private Color fDashLineColor; |
| private int fScrollbarWidth; |
| private int fTableWidthDelta; |
| private int fDashLineIndex= -1; |
| private Image fSeparatorIcon; |
| private DashLine fDashLine= new DashLine(); |
| |
| private boolean fFullyQualifySelection; |
| /* remembers the last selection to restore unqualified labels */ |
| private TableItem[] fLastSelection; |
| private String[] fLastLabels; |
| |
| private TypeInfoLabelProvider fLabelProvider; |
| private ImageManager fImageManager; |
| |
| private Table fTable; |
| |
| private SyncJob fSyncJob; |
| |
| private TypeInfoFilter fTypeInfoFilter; |
| private ITypeInfoFilterExtension fFilterExtension; |
| private TypeInfo[] fLastCompletedResult; |
| private TypeInfoFilter fLastCompletedFilter; |
| |
| private int fSearchJobTicket; |
| protected int fElementKind; |
| protected IJavaSearchScope fSearchScope; |
| |
| private AbstractSearchJob fSearchJob; |
| |
| private static final int HISTORY= 1; |
| private static final int INDEX= 2; |
| private static final int FULL= HISTORY | INDEX; |
| |
| private static final char SEPARATOR= '-'; |
| |
| private static final boolean DEBUG= false; |
| private static final boolean VIRTUAL= false; |
| |
| private static final TypeInfo[] EMTPY_TYPE_INFO_ARRAY= new TypeInfo[0]; |
| // only needed when in virtual table mode |
| private static final TypeInfo DASH_LINE= new UnresolvableTypeInfo(null, null, null, 0, null); |
| |
| public TypeInfoViewer(Composite parent, int flags, Label progressLabel, |
| IJavaSearchScope scope, int elementKind, String initialFilter, |
| ITypeInfoFilterExtension filterExtension, ITypeInfoImageProvider imageExtension) { |
| Assert.isNotNull(scope); |
| fDisplay= parent.getDisplay(); |
| fProgressLabel= progressLabel; |
| fSearchScope= scope; |
| fElementKind= elementKind; |
| fFilterExtension= filterExtension; |
| fFullyQualifySelection= (flags & SWT.MULTI) != 0; |
| fTable= new Table(parent, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER | SWT.FLAT | flags | (VIRTUAL ? SWT.VIRTUAL : SWT.NONE)); |
| fTable.setFont(parent.getFont()); |
| fLabelProvider= new TypeInfoLabelProvider(imageExtension); |
| fItems= new ArrayList(500); |
| fTable.setHeaderVisible(false); |
| addPopupMenu(); |
| fTable.addControlListener(new ControlAdapter() { |
| public void controlResized(ControlEvent event) { |
| int itemHeight= fTable.getItemHeight(); |
| Rectangle clientArea= fTable.getClientArea(); |
| fNumberOfVisibleItems= (clientArea.height / itemHeight) + 1; |
| } |
| }); |
| fTable.addKeyListener(new KeyAdapter() { |
| public void keyPressed(KeyEvent e) { |
| if (e.keyCode == SWT.DEL) { |
| deleteHistoryEntry(); |
| } else if (e.keyCode == SWT.ARROW_DOWN) { |
| int index= fTable.getSelectionIndex(); |
| if (index == fDashLineIndex - 1) { |
| e.doit= false; |
| setTableSelection(index + 2); |
| } |
| } else if (e.keyCode == SWT.ARROW_UP) { |
| int index= fTable.getSelectionIndex(); |
| if (fDashLineIndex != -1 && index == fDashLineIndex + 1) { |
| e.doit= false; |
| setTableSelection(index - 2); |
| } |
| } |
| } |
| }); |
| fTable.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| if (fLastSelection != null) { |
| for (int i= 0; i < fLastSelection.length; i++) { |
| TableItem item= fLastSelection[i]; |
| // could be disposed by deleting element from |
| // type info history |
| if (!item.isDisposed()) |
| item.setText(fLastLabels[i]); |
| } |
| } |
| TableItem[] items= fTable.getSelection(); |
| fLastSelection= new TableItem[items.length]; |
| fLastLabels= new String[items.length]; |
| for (int i= 0; i < items.length; i++) { |
| TableItem item= items[i]; |
| fLastSelection[i]= item; |
| fLastLabels[i]= item.getText(); |
| Object data= item.getData(); |
| if (data instanceof TypeInfo) { |
| String qualifiedText= getQualifiedText((TypeInfo)data); |
| if (qualifiedText.length() > fLastLabels[i].length()) |
| item.setText(qualifiedText); |
| } |
| } |
| } |
| }); |
| fTable.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| stop(true, true); |
| fDashLineColor.dispose(); |
| fSeparatorIcon.dispose(); |
| fImageManager.dispose(); |
| if (fProgressUpdateJob != null) { |
| fProgressUpdateJob.stop(); |
| fProgressUpdateJob= null; |
| } |
| } |
| }); |
| if (VIRTUAL) { |
| fHistoryMatches= EMTPY_TYPE_INFO_ARRAY; |
| fSearchMatches= EMTPY_TYPE_INFO_ARRAY; |
| fTable.addListener(SWT.SetData, new Listener() { |
| public void handleEvent(Event event) { |
| TableItem item= (TableItem)event.item; |
| setData(item); |
| } |
| }); |
| } |
| |
| fDashLineColor= computeDashLineColor(); |
| fScrollbarWidth= computeScrollBarWidth(); |
| fTableWidthDelta= fTable.computeTrim(0, 0, 0, 0).width - fScrollbarWidth; |
| fSeparatorIcon= JavaPluginImages.DESC_OBJS_TYPE_SEPARATOR.createImage(fTable.getDisplay()); |
| // Use a new image manager since an extension can provide its own |
| // image descriptors. To avoid thread problems with SWT the registry |
| // must be created in the UI thread. |
| fImageManager= new ImageManager(); |
| |
| fHistory= OpenTypeHistory.getInstance(); |
| if (initialFilter != null && initialFilter.length() > 0) |
| fTypeInfoFilter= createTypeInfoFilter(initialFilter); |
| GC gc= null; |
| try { |
| gc= new GC(fTable); |
| gc.setFont(fTable.getFont()); |
| fDashLine.initialize(gc); |
| } finally { |
| gc.dispose(); |
| } |
| // If we do have a type info filter then we are |
| // scheduling a search job in startup. So no |
| // need to sync the search indices. |
| if (fTypeInfoFilter == null) { |
| scheduleSyncJob(); |
| } |
| } |
| |
| /* package */ void startup() { |
| if (fTypeInfoFilter == null) { |
| reset(); |
| } else { |
| scheduleSearchJob(FULL); |
| } |
| } |
| |
| public Table getTable() { |
| return fTable; |
| } |
| |
| /* package */ TypeInfoLabelProvider getLabelProvider() { |
| return fLabelProvider; |
| } |
| |
| private int getNumberOfVisibleItems() { |
| return fNumberOfVisibleItems; |
| } |
| |
| public void setFocus() { |
| fTable.setFocus(); |
| } |
| |
| |
| public void setQualificationStyle(boolean value) { |
| if (fFullyQualifySelection == value) |
| return; |
| fFullyQualifySelection= value; |
| if (fLastSelection != null) { |
| for (int i= 0; i < fLastSelection.length; i++) { |
| TableItem item= fLastSelection[i]; |
| Object data= item.getData(); |
| if (data instanceof TypeInfo) { |
| item.setText(getQualifiedText((TypeInfo)data)); |
| } |
| } |
| } |
| } |
| |
| public TypeInfo[] getSelection() { |
| TableItem[] items= fTable.getSelection(); |
| List result= new ArrayList(items.length); |
| for (int i= 0; i < items.length; i++) { |
| Object data= items[i].getData(); |
| if (data instanceof TypeInfo) { |
| result.add(data); |
| } |
| } |
| return (TypeInfo[])result.toArray(new TypeInfo[result.size()]); |
| } |
| |
| public void stop() { |
| stop(true, false); |
| } |
| |
| public void stop(boolean stopSyncJob, boolean dispose) { |
| if (fSyncJob != null && stopSyncJob) { |
| fSyncJob.stop(); |
| fSyncJob= null; |
| } |
| if (fSearchJob != null) { |
| fSearchJob.stop(); |
| fSearchJob= null; |
| } |
| } |
| |
| public void forceSearch() { |
| stop(false, false); |
| if (fTypeInfoFilter == null) { |
| reset(); |
| } else { |
| // clear last results |
| fLastCompletedFilter= null; |
| fLastCompletedResult= null; |
| scheduleSearchJob(isSyncJobRunning() ? HISTORY : FULL); |
| } |
| } |
| |
| public void setSearchPattern(String text) { |
| stop(false, false); |
| if (text.length() == 0 || "*".equals(text)) { //$NON-NLS-1$ |
| fTypeInfoFilter= null; |
| reset(); |
| } else { |
| fTypeInfoFilter= createTypeInfoFilter(text); |
| scheduleSearchJob(isSyncJobRunning() ? HISTORY : FULL); |
| } |
| } |
| |
| public void setSearchScope(IJavaSearchScope scope, boolean refresh) { |
| fSearchScope= scope; |
| if (!refresh) |
| return; |
| stop(false, false); |
| fLastCompletedFilter= null; |
| fLastCompletedResult= null; |
| if (fTypeInfoFilter == null) { |
| reset(); |
| } else { |
| scheduleSearchJob(isSyncJobRunning() ? HISTORY : FULL); |
| } |
| } |
| |
| public void setFullyQualifyDuplicates(boolean value, boolean refresh) { |
| fLabelProvider.setFullyQualifyDuplicates(value); |
| if (!refresh) |
| return; |
| stop(false, false); |
| if (fTypeInfoFilter == null) { |
| reset(); |
| } else { |
| scheduleSearchJob(isSyncJobRunning() ? HISTORY : FULL); |
| } |
| } |
| |
| public void reset() { |
| fLastSelection= null; |
| fLastLabels= null; |
| fExpectedItemCount= 0; |
| fDashLineIndex= -1; |
| TypeInfoFilter filter= (fTypeInfoFilter != null) |
| ? fTypeInfoFilter |
| : new TypeInfoFilter("*", fSearchScope, fElementKind, fFilterExtension); //$NON-NLS-1$ |
| if (VIRTUAL) { |
| fHistoryMatches= fHistory.getFilteredTypeInfos(filter); |
| fExpectedItemCount= fHistoryMatches.length; |
| fTable.setItemCount(fHistoryMatches.length); |
| // bug under windows. |
| if (fHistoryMatches.length == 0) { |
| fTable.redraw(); |
| } |
| fTable.clear(0, fHistoryMatches.length - 1); |
| } else { |
| fNextElement= 0; |
| TypeInfo[] historyItems= fHistory.getFilteredTypeInfos(filter); |
| if (historyItems.length == 0) { |
| shortenTable(); |
| return; |
| } |
| fExpectedItemCount= historyItems.length; |
| int lastIndex= historyItems.length - 1; |
| TypeInfo last= null; |
| TypeInfo type= historyItems[0]; |
| for (int i= 0; i < historyItems.length; i++) { |
| TypeInfo next= i == lastIndex ? null : historyItems[i + 1]; |
| addSingleElement(type, |
| fLabelProvider.getImageDescriptor(type), |
| fLabelProvider.getText(last, type, next)); |
| last= type; |
| type= next; |
| } |
| shortenTable(); |
| } |
| } |
| |
| protected TypeInfoFilter createTypeInfoFilter(String text) { |
| if ("**".equals(text)) //$NON-NLS-1$ |
| text= "*"; //$NON-NLS-1$ |
| return new TypeInfoFilter(text, fSearchScope, fElementKind, fFilterExtension); |
| } |
| |
| private void addPopupMenu() { |
| Menu menu= new Menu(fTable.getShell(), SWT.POP_UP); |
| fTable.setMenu(menu); |
| final MenuItem remove= new MenuItem(menu, SWT.NONE); |
| remove.setText(JavaUIMessages.TypeInfoViewer_remove_from_history); |
| menu.addMenuListener(new MenuAdapter() { |
| public void menuShown(MenuEvent e) { |
| TableItem[] selection= fTable.getSelection(); |
| remove.setEnabled(canEnable(selection)); |
| } |
| }); |
| remove.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| deleteHistoryEntry(); |
| } |
| }); |
| } |
| |
| private boolean canEnable(TableItem[] selection) { |
| if (selection.length == 0) |
| return false; |
| for (int i= 0; i < selection.length; i++) { |
| TableItem item= selection[i]; |
| Object data= item.getData(); |
| if (!(data instanceof TypeInfo)) |
| return false; |
| if (!(fHistory.contains((TypeInfo)data))) |
| return false; |
| } |
| return true; |
| } |
| |
| //---- History management ------------------------------------------------------- |
| |
| private void deleteHistoryEntry() { |
| int index= fTable.getSelectionIndex(); |
| if (index == -1) |
| return; |
| TableItem item= fTable.getItem(index); |
| Object element= item.getData(); |
| if (!(element instanceof TypeInfo)) |
| return; |
| if (fHistory.remove((TypeInfo)element) != null) { |
| item.dispose(); |
| fItems.remove(index); |
| int count= fTable.getItemCount(); |
| if (count > 0) { |
| item= fTable.getItem(0); |
| if (item.getData() instanceof DashLine) { |
| item.dispose(); |
| fItems.remove(0); |
| fDashLineIndex= -1; |
| if (count > 1) { |
| setTableSelection(0); |
| } |
| } else { |
| if (index >= count) { |
| index= count - 1; |
| } |
| setTableSelection(index); |
| } |
| } else { |
| // send dummy selection |
| fTable.notifyListeners(SWT.Selection, new Event()); |
| } |
| } |
| } |
| |
| //-- Search result updating ---------------------------------------------------- |
| |
| private void clear(int ticket) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| fNextElement= 0; |
| fDashLineIndex= -1; |
| fLastSelection= null; |
| fLastLabels= null; |
| fExpectedItemCount= 0; |
| } |
| }); |
| } |
| |
| private void rememberResult(int ticket, final TypeInfo[] result) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| if (fLastCompletedResult == null) { |
| fLastCompletedFilter= fTypeInfoFilter; |
| fLastCompletedResult= result; |
| } |
| } |
| }); |
| } |
| |
| private void addHistory(int ticket, final List elements, final List imageDescriptors, final List labels) { |
| addAll(ticket, elements, imageDescriptors, labels); |
| } |
| |
| private void addAll(int ticket, final List elements, final List imageDescriptors, final List labels) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| int size= elements.size(); |
| for(int i= 0; i < size; i++) { |
| addSingleElement(elements.get(i), |
| (ImageDescriptor)imageDescriptors.get(i), |
| (String)labels.get(i)); |
| } |
| } |
| }); |
| } |
| |
| private void addDashLineAndUpdateLastHistoryEntry(int ticket, final TypeInfo next) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| if (fNextElement > 0) { |
| TableItem item= fTable.getItem(fNextElement - 1); |
| String label= item.getText(); |
| String newLabel= fLabelProvider.getText(null, (TypeInfo)item.getData(), next); |
| if (newLabel.length() > label.length()) |
| item.setText(newLabel); |
| if (fLastSelection != null && fLastSelection.length > 0) { |
| TableItem last= fLastSelection[fLastSelection.length - 1]; |
| if (last == item) { |
| fLastLabels[fLastLabels.length - 1]= newLabel; |
| } |
| } |
| } |
| fDashLineIndex= fNextElement; |
| addDashLine(); |
| } |
| }); |
| } |
| |
| private void addDashLine() { |
| TableItem item= null; |
| if (fItems.size() > fNextElement) { |
| item= (TableItem)fItems.get(fNextElement); |
| } else { |
| item= new TableItem(fTable, SWT.NONE); |
| fItems.add(item); |
| } |
| fillDashLine(item); |
| fNextElement++; |
| } |
| |
| private void addSingleElement(Object element, ImageDescriptor imageDescriptor, String label) { |
| TableItem item= null; |
| Object old= null; |
| if (fItems.size() > fNextElement) { |
| item= (TableItem)fItems.get(fNextElement); |
| old= item.getData(); |
| item.setForeground(null); |
| } else { |
| item= new TableItem(fTable, SWT.NONE); |
| fItems.add(item); |
| } |
| item.setData(element); |
| item.setImage(fImageManager.get(imageDescriptor)); |
| if (fNextElement == 0) { |
| if (needsSelectionChange(old, element) || fLastSelection != null) { |
| item.setText(label); |
| fTable.setSelection(0); |
| fTable.notifyListeners(SWT.Selection, new Event()); |
| } else { |
| fLastSelection= new TableItem[] { item }; |
| fLastLabels= new String[] { label }; |
| } |
| } else { |
| item.setText(label); |
| } |
| fNextElement++; |
| } |
| |
| private boolean needsSelectionChange(Object oldElement, Object newElement) { |
| int[] selected= fTable.getSelectionIndices(); |
| if (selected.length != 1) |
| return true; |
| if (selected[0] != 0) |
| return true; |
| if (oldElement == null) |
| return true; |
| return !oldElement.equals(newElement); |
| } |
| |
| private void scheduleSearchJob(int mode) { |
| fSearchJobTicket++; |
| if (fLastCompletedFilter != null && fTypeInfoFilter.isSubFilter(fLastCompletedFilter.getText())) { |
| fSearchJob= new CachedResultJob(fSearchJobTicket, fLastCompletedResult, this, fTypeInfoFilter, |
| fHistory, fNumberOfVisibleItems, |
| mode); |
| } else { |
| fLastCompletedFilter= null; |
| fLastCompletedResult= null; |
| fSearchJob= new SearchEngineJob(fSearchJobTicket, this, fTypeInfoFilter, |
| fHistory, fNumberOfVisibleItems, |
| mode, fSearchScope, fElementKind); |
| } |
| fSearchJob.schedule(); |
| } |
| |
| private void searchJobDone(int ticket) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| shortenTable(); |
| checkEmptyList(); |
| fSearchJob= null; |
| } |
| }); |
| } |
| |
| private void searchJobCanceled(int ticket, final boolean removePendingItems) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| if (removePendingItems) { |
| shortenTable(); |
| checkEmptyList(); |
| } |
| fSearchJob= null; |
| } |
| }); |
| } |
| |
| private synchronized void searchJobFailed(int ticket, CoreException e) { |
| searchJobDone(ticket); |
| JavaPlugin.log(e); |
| } |
| |
| //-- virtual table support ------------------------------------------------------- |
| |
| private void setHistoryResult(int ticket, final TypeInfo[] types) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| fExpectedItemCount= types.length; |
| int lastHistoryLength= fHistoryMatches.length; |
| fHistoryMatches= types; |
| int length= fHistoryMatches.length + fSearchMatches.length; |
| int dash= (fHistoryMatches.length > 0 && fSearchMatches.length > 0) ? 1 : 0; |
| fTable.setItemCount(length + dash); |
| if (length == 0) { |
| // bug under windows. |
| fTable.redraw(); |
| return; |
| } |
| int update= Math.max(lastHistoryLength, fHistoryMatches.length); |
| if (update > 0) { |
| fTable.clear(0, update + dash - 1); |
| } |
| } |
| }); |
| } |
| |
| private void setSearchResult(int ticket, final TypeInfo[] types) { |
| syncExec(ticket, new Runnable() { |
| public void run() { |
| fExpectedItemCount+= types.length; |
| fSearchMatches= types; |
| int length= fHistoryMatches.length + fSearchMatches.length; |
| int dash= (fHistoryMatches.length > 0 && fSearchMatches.length > 0) ? 1 : 0; |
| fTable.setItemCount(length + dash); |
| if (length == 0) { |
| // bug under windows. |
| fTable.redraw(); |
| return; |
| } |
| if (fHistoryMatches.length == 0) { |
| fTable.clear(0, length + dash - 1); |
| } else { |
| fTable.clear(fHistoryMatches.length - 1, length + dash - 1); |
| } |
| } |
| }); |
| } |
| |
| private void setData(TableItem item) { |
| int index= fTable.indexOf(item); |
| TypeInfo type= getTypeInfo(index); |
| if (type == DASH_LINE) { |
| item.setData(fDashLine); |
| fillDashLine(item); |
| } else { |
| item.setData(type); |
| item.setImage(fImageManager.get(fLabelProvider.getImageDescriptor(type))); |
| item.setText(fLabelProvider.getText( |
| getTypeInfo(index - 1), |
| type, |
| getTypeInfo(index + 1))); |
| item.setForeground(null); |
| } |
| } |
| |
| private TypeInfo getTypeInfo(int index) { |
| if (index < 0) |
| return null; |
| if (index < fHistoryMatches.length) { |
| return fHistoryMatches[index]; |
| } |
| int dash= (fHistoryMatches.length > 0 && fSearchMatches.length > 0) ? 1 : 0; |
| if (index == fHistoryMatches.length && dash == 1) { |
| return DASH_LINE; |
| } |
| index= index - fHistoryMatches.length - dash; |
| if (index >= fSearchMatches.length) |
| return null; |
| return fSearchMatches[index]; |
| } |
| |
| //-- Sync Job updates ------------------------------------------------------------ |
| |
| private void scheduleSyncJob() { |
| fSyncJob= new SyncJob(this); |
| fSyncJob.schedule(); |
| } |
| |
| private void syncJobDone() { |
| syncExec(new Runnable() { |
| public void run() { |
| fSyncJob= null; |
| if (fTypeInfoFilter != null) { |
| scheduleSearchJob(FULL); |
| } |
| } |
| }); |
| } |
| |
| private boolean isSyncJobRunning() { |
| return fSyncJob != null; |
| } |
| |
| //-- progress monitor updates ----------------------------------------------------- |
| |
| private void scheduleProgressUpdateJob() { |
| syncExec(new Runnable() { |
| public void run() { |
| if (fProgressCounter == 0) { |
| clearProgressMessage(); |
| fProgressUpdateJob= new ProgressUpdateJob(fDisplay, TypeInfoViewer.this); |
| fProgressUpdateJob.schedule(300); |
| } |
| fProgressCounter++; |
| } |
| }); |
| } |
| |
| private void stopProgressUpdateJob() { |
| syncExec(new Runnable() { |
| public void run() { |
| fProgressCounter--; |
| if (fProgressCounter == 0 && fProgressUpdateJob != null) { |
| fProgressUpdateJob.stop(); |
| fProgressUpdateJob= null; |
| clearProgressMessage(); |
| } |
| } |
| }); |
| } |
| |
| private void setProgressMessage(String message) { |
| fProgressMessage= message; |
| } |
| |
| private void clearProgressMessage() { |
| fProgressMessage= ""; //$NON-NLS-1$ |
| fProgressLabel.setText(fProgressMessage); |
| } |
| |
| private void updateProgressMessage() { |
| fProgressLabel.setText(fProgressMessage); |
| } |
| |
| //-- Helper methods -------------------------------------------------------------- |
| |
| private void syncExec(final Runnable runnable) { |
| if (fDisplay.isDisposed()) |
| return; |
| fDisplay.syncExec(new Runnable() { |
| public void run() { |
| if (fTable.isDisposed()) |
| return; |
| runnable.run(); |
| } |
| }); |
| } |
| |
| private void syncExec(final int ticket, final Runnable runnable) { |
| if (fDisplay.isDisposed()) |
| return; |
| fDisplay.syncExec(new Runnable() { |
| public void run() { |
| if (fTable.isDisposed() || ticket != fSearchJobTicket) |
| return; |
| runnable.run(); |
| } |
| }); |
| } |
| |
| private void fillDashLine(TableItem item) { |
| Rectangle bounds= item.getImageBounds(0); |
| Rectangle area= fTable.getBounds(); |
| boolean willHaveScrollBar= fExpectedItemCount + 1 > fNumberOfVisibleItems; |
| item.setText(fDashLine.getText(area.width - bounds.x - bounds.width - fTableWidthDelta - |
| (willHaveScrollBar ? fScrollbarWidth : 0))); |
| item.setImage(fSeparatorIcon); |
| item.setForeground(fDashLineColor); |
| item.setData(fDashLine); |
| } |
| |
| private void shortenTable() { |
| if (VIRTUAL) |
| return; |
| if (fNextElement < fItems.size()) { |
| fTable.setRedraw(false); |
| fTable.remove(fNextElement, fItems.size() - 1); |
| fTable.setRedraw(true); |
| } |
| for (int i= fItems.size() - 1; i >= fNextElement; i--) { |
| fItems.remove(i); |
| } |
| } |
| |
| private void checkEmptyList() { |
| if (fTable.getItemCount() == 0) { |
| fTable.notifyListeners(SWT.Selection, new Event()); |
| } |
| } |
| |
| private void setTableSelection(int index) { |
| fTable.setSelection(index); |
| fTable.notifyListeners(SWT.Selection, new Event()); |
| } |
| |
| private Color computeDashLineColor() { |
| Color fg= fTable.getForeground(); |
| int fGray= (int)(0.3*fg.getRed() + 0.59*fg.getGreen() + 0.11*fg.getBlue()); |
| Color bg= fTable.getBackground(); |
| int bGray= (int)(0.3*bg.getRed() + 0.59*bg.getGreen() + 0.11*bg.getBlue()); |
| int gray= (int)((fGray + bGray) * 0.66); |
| return new Color(fDisplay, gray, gray, gray); |
| } |
| |
| private int computeScrollBarWidth() { |
| Composite t= new Composite(fTable.getShell(), SWT.V_SCROLL); |
| int result= t.computeTrim(0, 0, 0, 0).width; |
| t.dispose(); |
| return result; |
| } |
| |
| private String getQualifiedText(TypeInfo type) { |
| return fFullyQualifySelection |
| ? fLabelProvider.getFullyQualifiedText(type) |
| : fLabelProvider.getQualifiedText(type); |
| } |
| } |
