| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.lang.reflect.InvocationTargetException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.core.runtime.jobs.IJobManager; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.ISelectionStatusValidator; |
| import org.eclipse.ui.dialogs.SelectionStatusDialog; |
| |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| 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.TypeInfo; |
| import org.eclipse.jdt.internal.corext.util.TypeInfoHistory; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.JavaUIMessages; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| |
| public class TypeSelectionDialog2 extends SelectionStatusDialog { |
| |
| private String fTitle; |
| |
| private boolean fMultipleSelection; |
| private IRunnableContext fRunnableContext; |
| private IJavaSearchScope fScope; |
| private int fElementKind; |
| |
| private String fInitialFilter; |
| private int fSelectionMode; |
| private ISelectionStatusValidator fValidator; |
| private TypeSelectionComponent fContent; |
| |
| public static final int NONE= TypeSelectionComponent.NONE; |
| public static final int CARET_BEGINNING= TypeSelectionComponent.CARET_BEGINNING; |
| public static final int FULL_SELECTION= TypeSelectionComponent.FULL_SELECTION; |
| |
| private static boolean fgFirstTime= true; |
| |
| private class TitleLabel implements TypeSelectionComponent.ITitleLabel { |
| public void setText(String text) { |
| if (text == null || text.length() == 0) { |
| getShell().setText(fTitle); |
| } else { |
| getShell().setText(Messages.format( |
| JavaUIMessages.TypeSelectionDialog2_title_format, |
| new String[] { fTitle, text})); |
| } |
| } |
| } |
| |
| public TypeSelectionDialog2(Shell parent, boolean multi, IRunnableContext context, IJavaSearchScope scope, int elementKinds) { |
| super(parent); |
| setShellStyle(getShellStyle() | SWT.RESIZE); |
| fMultipleSelection= multi; |
| fRunnableContext= context; |
| fScope= scope; |
| fElementKind= elementKinds; |
| fSelectionMode= NONE; |
| } |
| |
| public void setFilter(String filter) { |
| setFilter(filter, FULL_SELECTION); |
| } |
| |
| public void setFilter(String filter, int selectionMode) { |
| fInitialFilter= filter; |
| fSelectionMode= selectionMode; |
| } |
| |
| public void setValidator(ISelectionStatusValidator validator) { |
| fValidator= validator; |
| } |
| |
| protected TypeInfo[] getSelectedTypes() { |
| if (fContent == null || fContent.isDisposed()) |
| return null; |
| return fContent.getSelection(); |
| } |
| |
| public void create() { |
| super.create(); |
| fContent.populate(fSelectionMode); |
| getOkButton().setEnabled(fContent.getSelection().length > 0); |
| } |
| |
| protected Control createDialogArea(Composite parent) { |
| Composite area= (Composite)super.createDialogArea(parent); |
| fContent= new TypeSelectionComponent(area, SWT.NONE, getMessage(), |
| fMultipleSelection, fScope, fElementKind, fInitialFilter, |
| new TitleLabel()); |
| GridData gd= new GridData(GridData.FILL_BOTH); |
| fContent.setLayoutData(gd); |
| fContent.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| handleDefaultSelected(fContent.getSelection()); |
| } |
| public void widgetSelected(SelectionEvent e) { |
| handleWidgetSelected(fContent.getSelection()); |
| } |
| }); |
| return area; |
| } |
| |
| protected void handleDefaultSelected(TypeInfo[] selection) { |
| if (selection.length == 0) |
| return; |
| okPressed(); |
| } |
| |
| protected void handleWidgetSelected(TypeInfo[] selection) { |
| IStatus status; |
| if (selection.length == 0) { |
| status= new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.ERROR, "",null); //$NON-NLS-1$ |
| } else { |
| if (fValidator != null) { |
| status= fValidator.validate(selection); |
| } else { |
| status= new Status(IStatus.OK, JavaPlugin.getPluginId(), IStatus.OK, "",null); //$NON-NLS-1$ |
| } |
| } |
| updateStatus(status); |
| } |
| |
| public int open() { |
| try { |
| ensureConsistency(); |
| } catch (InvocationTargetException e) { |
| ExceptionHandler.handle(e, JavaUIMessages.TypeSelectionDialog_error3Title, JavaUIMessages.TypeSelectionDialog_error3Message); |
| return CANCEL; |
| } catch (InterruptedException e) { |
| // cancelled by user |
| return CANCEL; |
| } |
| return super.open(); |
| } |
| |
| public boolean close() { |
| TypeInfoHistory.getInstance().save(); |
| return super.close(); |
| } |
| |
| public void setTitle(String title) { |
| super.setTitle(title); |
| fTitle= title; |
| } |
| |
| protected void computeResult() { |
| TypeInfo[] selected= fContent.getSelection(); |
| if (selected == null || selected.length == 0) { |
| setResult(null); |
| return; |
| } |
| |
| // If the scope is null then it got computed by the type selection component. |
| if (fScope == null) { |
| fScope= fContent.getScope(); |
| } |
| |
| TypeInfoHistory history= TypeInfoHistory.getInstance(); |
| List result= new ArrayList(selected.length); |
| if (result != null) { |
| for (int i= 0; i < selected.length; i++) { |
| try { |
| TypeInfo typeInfo= selected[i]; |
| history.accessed(typeInfo); |
| IType type= typeInfo.resolveType(fScope); |
| if (type == null) { |
| String title= JavaUIMessages.TypeSelectionDialog_errorTitle; |
| String message= Messages.format(JavaUIMessages.TypeSelectionDialog_dialogMessage, typeInfo.getPath()); |
| MessageDialog.openError(getShell(), title, message); |
| setResult(null); |
| } else { |
| result.add(type); |
| } |
| } catch (JavaModelException e) { |
| String title= JavaUIMessages.MultiTypeSelectionDialog_errorTitle; |
| String message= JavaUIMessages.MultiTypeSelectionDialog_errorMessage; |
| ErrorDialog.openError(getShell(), title, message, e.getStatus()); |
| } |
| } |
| } |
| setResult(result); |
| } |
| |
| private void ensureConsistency() throws InvocationTargetException, InterruptedException { |
| // we only have to ensure histroy consistency here since the search engine |
| // takes care of working copies. |
| class ConsistencyRunnable implements IRunnableWithProgress { |
| public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| if (fgFirstTime) { |
| // Join the initalize after load job. |
| IJobManager manager= Platform.getJobManager(); |
| manager.join(JavaCore.PLUGIN_ID, monitor); |
| } |
| TypeInfoHistory history= TypeInfoHistory.getInstance(); |
| if (fgFirstTime || history.isEmpty()) { |
| monitor.beginTask(JavaUIMessages.TypeSelectionDialog_progress_consistency, 100); |
| if (history.needConsistencyCheck()) { |
| refreshSearchIndices(new SubProgressMonitor(monitor, 90)); |
| history.checkConsistency(new SubProgressMonitor(monitor, 10)); |
| } else { |
| refreshSearchIndices(monitor); |
| } |
| monitor.done(); |
| fgFirstTime= false; |
| } else { |
| history.checkConsistency(monitor); |
| } |
| } |
| public boolean needsExecution() { |
| TypeInfoHistory history= TypeInfoHistory.getInstance(); |
| return fgFirstTime || history.isEmpty() || history.needConsistencyCheck(); |
| } |
| private void refreshSearchIndices(IProgressMonitor monitor) throws InvocationTargetException { |
| try { |
| 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) { |
| throw new InvocationTargetException(e); |
| } |
| } |
| } |
| ConsistencyRunnable runnable= new ConsistencyRunnable(); |
| if (!runnable.needsExecution()) |
| return; |
| IRunnableContext context= fRunnableContext != null |
| ? fRunnableContext |
| : PlatformUI.getWorkbench().getProgressService(); |
| context.run(true, true, runnable); |
| } |
| } |