--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2012 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.ui.wizards;
+
+import java.io.File;
+import java.net.URL;
+import java.util.ArrayList;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.DirectoryDialog;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Shell;
+
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.Path;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.jface.window.Window;
+
+import org.eclipse.ui.model.WorkbenchContentProvider;
+import org.eclipse.ui.model.WorkbenchLabelProvider;
+import org.eclipse.ui.views.navigator.ResourceComparator;
+
+import org.eclipse.jdt.core.IClasspathEntry;
+import org.eclipse.jdt.core.IJavaProject;
+
+import org.eclipse.jdt.ui.JavaUI;
+
+import org.eclipse.jdt.internal.ui.IUIConstants;
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels;
+import org.eclipse.jdt.internal.ui.viewsupport.FilteredElementTreeSelectionDialog;
+import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
+import org.eclipse.jdt.internal.ui.wizards.TypedElementSelectionValidator;
+import org.eclipse.jdt.internal.ui.wizards.TypedViewerFilter;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.ArchiveFileFilter;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.ClasspathContainerWizard;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.EditVariableEntryDialog;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.JavadocLocationDialog;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.MultipleFolderSelectionDialog;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.NewVariableEntryDialog;
+import org.eclipse.jdt.internal.ui.wizards.buildpaths.SourceAttachmentDialog;
+
+/**
+ * Class that gives access to dialogs used by the Java build path page to configure classpath entries
+ * and properties of classpath entries.
+ * Static methods are provided to show dialogs for:
+ * <ul>
+ * <li> configuration of source attachments</li>
+ * <li> configuration of Javadoc locations</li>
+ * <li> configuration and selection of classpath variable entries</li>
+ * <li> configuration and selection of classpath container entries</li>
+ * <li> configuration and selection of JAR and external JAR entries</li>
+ * <li> selection of class and source folders</li>
+ * </ul>
+ * <p>
+ * This class is not intended to be instantiated or subclassed by clients.
+ * </p>
+ * @since 3.0
+ *
+ * @noinstantiate This class is not intended to be instantiated by clients.
+ */
+public final class BuildPathDialogAccess {
+
+ private BuildPathDialogAccess() {
+ // do not instantiate
+ }
+
+ /**
+ * Shows the UI for configuring source attachments, with editing of source attachment encoding
+ * disabled. <code>null</code> is returned if the user cancels the dialog. The dialog does not
+ * apply any changes.
+ *
+ * @param shell The parent shell for the dialog
+ * @param initialEntry The entry to edit. The kind of the classpath entry must be either
+ * <code>IClasspathEntry.CPE_LIBRARY</code> or
+ * <code>IClasspathEntry.CPE_VARIABLE</code>.
+ * @return Returns the resulting classpath entry containing a potentially modified source
+ * attachment path, source attachment root and source attachment encoding. The resulting
+ * entry can be used to replace the original entry on the classpath. Note that the
+ * dialog does not make any changes on the passed entry nor on the classpath that
+ * contains it.
+ */
+ public static IClasspathEntry configureSourceAttachment(Shell shell, IClasspathEntry initialEntry) {
+ return configureSourceAttachment(shell, initialEntry, false);
+ }
+
+ /**
+ * Shows the UI for configuring source attachments. The source attachment encoding can be edited
+ * depending on the parameter <code>canEditEncoding</code>. <code>null</code> is returned if the
+ * user cancels the dialog. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog
+ * @param initialEntry The entry to edit. The kind of the classpath entry must be either
+ * <code>IClasspathEntry.CPE_LIBRARY</code> or
+ * <code>IClasspathEntry.CPE_VARIABLE</code>.
+ * @param canEditEncoding whether the source attachment encoding can be edited
+ * @return Returns the resulting classpath entry containing a potentially modified source
+ * attachment path, source attachment root and source attachment encoding. The resulting
+ * entry can be used to replace the original entry on the classpath. Note that the
+ * dialog does not make any changes on the passed entry nor on the classpath that
+ * contains it.
+ * @since 3.8
+ */
+ public static IClasspathEntry configureSourceAttachment(Shell shell, IClasspathEntry initialEntry, boolean canEditEncoding) {
+ if (initialEntry == null) {
+ throw new IllegalArgumentException();
+ }
+ int entryKind= initialEntry.getEntryKind();
+ if (entryKind != IClasspathEntry.CPE_LIBRARY && entryKind != IClasspathEntry.CPE_VARIABLE) {
+ throw new IllegalArgumentException();
+ }
+
+ SourceAttachmentDialog dialog= new SourceAttachmentDialog(shell, initialEntry, canEditEncoding);
+ if (dialog.open() == Window.OK) {
+ return dialog.getResult();
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI for configuring a javadoc location. <code>null</code> is returned
+ * if the user cancels the dialog. If OK is pressed, an array of length 1 containing the configured URL is
+ * returned. Note that the configured URL can be <code>null</code> when the user
+ * wishes to have no URL location specified. The dialog does not apply any changes.
+ * Use {@link org.eclipse.jdt.ui.JavaUI} to access and configure
+ * Javadoc locations.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param libraryName Name of of the library to which configured javadoc location belongs.
+ * @param initialURL The initial URL or <code>null</code>.
+ * @return Returns an array of size 1 that contains the resulting javadoc location or
+ * <code>null</code> if the dialog has been canceled. Note that the configured URL can be <code>null</code> when the user
+ * wishes to have no URL location specified.
+ */
+ public static URL[] configureJavadocLocation(Shell shell, String libraryName, URL initialURL) {
+ if (libraryName == null) {
+ throw new IllegalArgumentException();
+ }
+
+ JavadocLocationDialog dialog= new JavadocLocationDialog(shell, libraryName, initialURL);
+ if (dialog.open() == Window.OK) {
+ return new URL[] { dialog.getResult() };
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI for configuring a javadoc location attribute of the classpath entry. <code>null</code> is returned
+ * if the user cancels the dialog. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialEntry The entry to edit. The kind of the classpath entry must be either
+ * <code>IClasspathEntry.CPE_LIBRARY</code> or <code>IClasspathEntry.CPE_VARIABLE</code>.
+ * @return Returns the resulting classpath entry containing a potentially modified javadoc location attribute
+ * The resulting entry can be used to replace the original entry on the classpath.
+ * Note that the dialog does not make any changes on the passed entry nor on the classpath that
+ * contains it.
+ *
+ * @since 3.1
+ */
+ public static IClasspathEntry configureJavadocLocation(Shell shell, IClasspathEntry initialEntry) {
+ if (initialEntry == null) {
+ throw new IllegalArgumentException();
+ }
+ int entryKind= initialEntry.getEntryKind();
+ if (entryKind != IClasspathEntry.CPE_LIBRARY && entryKind != IClasspathEntry.CPE_VARIABLE) {
+ throw new IllegalArgumentException();
+ }
+
+ URL location= JavaUI.getLibraryJavadocLocation(initialEntry);
+ JavadocLocationDialog dialog= new JavadocLocationDialog(shell, BasicElementLabels.getPathLabel(initialEntry.getPath(), false), location);
+ if (dialog.open() == Window.OK) {
+ CPListElement element= CPListElement.createFromExisting(initialEntry, null);
+ URL res= dialog.getResult();
+ element.setAttribute(CPListElement.JAVADOC, res != null ? res.toExternalForm() : null);
+ return element.getClasspathEntry();
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI for configuring a variable classpath entry. See {@link IClasspathEntry#CPE_VARIABLE} for
+ * details about variable classpath entries.
+ * The dialog returns the configured classpath entry path or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialEntryPath The initial variable classpath variable path or <code>null</code> to use
+ * an empty path.
+ * @param existingPaths An array of paths that are already on the classpath and therefore should not be
+ * selected again.
+ * @return Returns the configures classpath entry path or <code>null</code> if the dialog has
+ * been canceled.
+ */
+ public static IPath configureVariableEntry(Shell shell, IPath initialEntryPath, IPath[] existingPaths) {
+ if (existingPaths == null) {
+ throw new IllegalArgumentException();
+ }
+
+ EditVariableEntryDialog dialog= new EditVariableEntryDialog(shell, initialEntryPath, existingPaths);
+ if (dialog.open() == Window.OK) {
+ return dialog.getPath();
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI for selecting new variable classpath entries. See {@link IClasspathEntry#CPE_VARIABLE} for
+ * details about variable classpath entries.
+ * The dialog returns an array of the selected variable entries or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param existingPaths An array of paths that are already on the classpath and therefore should not be
+ * selected again.
+ * @return Returns an non empty array of the selected variable entries or <code>null</code> if the dialog has
+ * been canceled.
+ */
+ public static IPath[] chooseVariableEntries(Shell shell, IPath[] existingPaths) {
+ if (existingPaths == null) {
+ throw new IllegalArgumentException();
+ }
+ NewVariableEntryDialog dialog= new NewVariableEntryDialog(shell);
+ if (dialog.open() == Window.OK) {
+ return dialog.getResult();
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI to configure a classpath container classpath entry. See {@link IClasspathEntry#CPE_CONTAINER} for
+ * details about container classpath entries.
+ * The dialog returns the configured classpath entry or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialEntry The initial classpath container entry.
+ * @param project The project the entry belongs to. The project does not have to exist and can also be <code>null</code>.
+ * @param currentClasspath The class path entries currently selected to be set as the projects classpath. This can also
+ * include the entry to be edited. The dialog uses these entries as information only (e.g. to avoid duplicate entries); The user still can make changes after the
+ * the classpath container dialog has been closed. See {@link IClasspathContainerPageExtension} for
+ * more information.
+ * @return Returns the configured classpath container entry or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IClasspathEntry configureContainerEntry(Shell shell, IClasspathEntry initialEntry, IJavaProject project, IClasspathEntry[] currentClasspath) {
+ if (initialEntry == null || currentClasspath == null) {
+ throw new IllegalArgumentException();
+ }
+
+ ClasspathContainerWizard wizard= new ClasspathContainerWizard(initialEntry, project, currentClasspath);
+ if (ClasspathContainerWizard.openWizard(shell, wizard) == Window.OK) {
+ IClasspathEntry[] created= wizard.getNewEntries();
+ if (created != null && created.length == 1) {
+ return created[0];
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI to choose new classpath container classpath entries. See {@link IClasspathEntry#CPE_CONTAINER} for
+ * details about container classpath entries.
+ * The dialog returns the selected classpath entries or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param project The project the entry belongs to. The project does not have to exist and
+ * can also be <code>null</code>.
+ * @param currentClasspath The class path entries currently selected to be set as the projects classpath. This can also
+ * include the entry to be edited. The dialog uses these entries as information only; The user still can make changes after the
+ * the classpath container dialog has been closed. See {@link IClasspathContainerPageExtension} for
+ * more information.
+ * @return Returns the selected classpath container entries or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IClasspathEntry[] chooseContainerEntries(Shell shell, IJavaProject project, IClasspathEntry[] currentClasspath) {
+ if (currentClasspath == null) {
+ throw new IllegalArgumentException();
+ }
+
+ ClasspathContainerWizard wizard= new ClasspathContainerWizard((IClasspathEntry) null, project, currentClasspath);
+ if (ClasspathContainerWizard.openWizard(shell, wizard) == Window.OK) {
+ return wizard.getNewEntries();
+ }
+ return null;
+ }
+
+
+ /**
+ * Shows the UI to configure a JAR or ZIP archive located in the workspace.
+ * The dialog returns the configured classpath entry path or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialEntry The path of the initial archive entry
+ * @param usedEntries An array of paths that are already on the classpath and therefore should not be
+ * selected again.
+ * @return Returns the configured JAR path or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IPath configureJAREntry(Shell shell, IPath initialEntry, IPath[] usedEntries) {
+ if (initialEntry == null || usedEntries == null) {
+ throw new IllegalArgumentException();
+ }
+
+ Class<?>[] acceptedClasses= new Class[] { IFile.class };
+ TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, false);
+
+ ArrayList<IResource> usedJars= new ArrayList<IResource>(usedEntries.length);
+ IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
+ for (int i= 0; i < usedEntries.length; i++) {
+ IPath curr= usedEntries[i];
+ if (!curr.equals(initialEntry)) {
+ IResource resource= root.findMember(usedEntries[i]);
+ if (resource instanceof IFile) {
+ usedJars.add(resource);
+ }
+ }
+ }
+
+ IResource existing= root.findMember(initialEntry);
+
+ FilteredElementTreeSelectionDialog dialog= new FilteredElementTreeSelectionDialog(shell, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
+ dialog.setValidator(validator);
+ dialog.setTitle(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_edit_title);
+ dialog.setMessage(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_edit_description);
+ dialog.setInitialFilter(ArchiveFileFilter.JARZIP_FILTER_STRING);
+ dialog.addFilter(new ArchiveFileFilter(usedJars, true, true));
+ dialog.setInput(root);
+ dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
+ dialog.setInitialSelection(existing);
+
+ if (dialog.open() == Window.OK) {
+ IResource element= (IResource) dialog.getFirstResult();
+ return element.getFullPath();
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI to select new JAR or ZIP archive entries located in the workspace.
+ * The dialog returns the selected entries or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialSelection The path of the element (container or archive) to initially select or <code>null</code> to not select an entry.
+ * @param usedEntries An array of paths that are already on the classpath and therefore should not be
+ * selected again.
+ * @return Returns the new JAR paths or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IPath[] chooseJAREntries(Shell shell, IPath initialSelection, IPath[] usedEntries) {
+ if (usedEntries == null) {
+ throw new IllegalArgumentException();
+ }
+
+ Class<?>[] acceptedClasses= new Class[] { IFile.class };
+ TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, true);
+ ArrayList<IResource> usedJars= new ArrayList<IResource>(usedEntries.length);
+ IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
+ for (int i= 0; i < usedEntries.length; i++) {
+ IResource resource= root.findMember(usedEntries[i]);
+ if (resource instanceof IFile) {
+ usedJars.add(resource);
+ }
+ }
+ IResource focus= initialSelection != null ? root.findMember(initialSelection) : null;
+
+ FilteredElementTreeSelectionDialog dialog= new FilteredElementTreeSelectionDialog(shell, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
+ dialog.setHelpAvailable(false);
+ dialog.setValidator(validator);
+ dialog.setTitle(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_new_title);
+ dialog.setMessage(NewWizardMessages.BuildPathDialogAccess_JARArchiveDialog_new_description);
+ dialog.setInitialFilter(ArchiveFileFilter.JARZIP_FILTER_STRING);
+ dialog.addFilter(new ArchiveFileFilter(usedJars, true, true));
+ dialog.setInput(root);
+ dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
+ dialog.setInitialSelection(focus);
+
+ if (dialog.open() == Window.OK) {
+ Object[] elements= dialog.getResult();
+ IPath[] res= new IPath[elements.length];
+ for (int i= 0; i < res.length; i++) {
+ IResource elem= (IResource)elements[i];
+ res[i]= elem.getFullPath();
+ }
+ return res;
+ }
+ return null;
+ }
+
+ /**
+ * Shows the UI to configure an external JAR or ZIP archive.
+ * The dialog returns the configured or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialEntry The path of the initial archive entry.
+ * @return Returns the configured external JAR path or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IPath configureExternalJAREntry(Shell shell, IPath initialEntry) {
+ if (initialEntry == null) {
+ throw new IllegalArgumentException();
+ }
+
+ String lastUsedPath= initialEntry.removeLastSegments(1).toOSString();
+
+ FileDialog dialog= new FileDialog(shell, SWT.SINGLE);
+ dialog.setText(NewWizardMessages.BuildPathDialogAccess_ExtJARArchiveDialog_edit_title);
+ dialog.setFilterExtensions(ArchiveFileFilter.JAR_ZIP_FILTER_EXTENSIONS);
+ dialog.setFilterPath(lastUsedPath);
+ dialog.setFileName(initialEntry.lastSegment());
+
+ String res= dialog.open();
+ if (res == null) {
+ return null;
+ }
+ JavaPlugin.getDefault().getDialogSettings().put(IUIConstants.DIALOGSTORE_LASTEXTJAR, dialog.getFilterPath());
+
+ return Path.fromOSString(res).makeAbsolute();
+ }
+
+ /**
+ * Shows the UI to select new external JAR or ZIP archive entries.
+ * The dialog returns the selected entry paths or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @return Returns the new external JAR paths or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IPath[] chooseExternalJAREntries(Shell shell) {
+ String lastUsedPath= JavaPlugin.getDefault().getDialogSettings().get(IUIConstants.DIALOGSTORE_LASTEXTJAR);
+ if (lastUsedPath == null) {
+ lastUsedPath= ""; //$NON-NLS-1$
+ }
+ FileDialog dialog= new FileDialog(shell, SWT.MULTI);
+ dialog.setText(NewWizardMessages.BuildPathDialogAccess_ExtJARArchiveDialog_new_title);
+ dialog.setFilterExtensions(ArchiveFileFilter.ALL_ARCHIVES_FILTER_EXTENSIONS);
+ dialog.setFilterPath(lastUsedPath);
+
+ String res= dialog.open();
+ if (res == null) {
+ return null;
+ }
+ String[] fileNames= dialog.getFileNames();
+ int nChosen= fileNames.length;
+
+ IPath filterPath= Path.fromOSString(dialog.getFilterPath());
+ IPath[] elems= new IPath[nChosen];
+ for (int i= 0; i < nChosen; i++) {
+ elems[i]= filterPath.append(fileNames[i]).makeAbsolute();
+ }
+ JavaPlugin.getDefault().getDialogSettings().put(IUIConstants.DIALOGSTORE_LASTEXTJAR, dialog.getFilterPath());
+
+ return elems;
+ }
+
+ /**
+ * Shows the UI to select new external class folder entries.
+ * The dialog returns the selected entry paths or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @return Returns the new external class folder path or <code>null</code> if the dialog has
+ * been canceled by the user.
+ *
+ * @since 3.4
+ */
+ public static IPath[] chooseExternalClassFolderEntries(Shell shell) {
+ String lastUsedPath= JavaPlugin.getDefault().getDialogSettings().get(IUIConstants.DIALOGSTORE_LASTEXTJARFOLDER);
+ if (lastUsedPath == null) {
+ lastUsedPath= ""; //$NON-NLS-1$
+ }
+ DirectoryDialog dialog= new DirectoryDialog(shell, SWT.MULTI);
+ dialog.setText(NewWizardMessages.BuildPathDialogAccess_ExtClassFolderDialog_new_title);
+ dialog.setMessage(NewWizardMessages.BuildPathDialogAccess_ExtClassFolderDialog_new_description);
+ dialog.setFilterPath(lastUsedPath);
+
+ String res= dialog.open();
+ if (res == null) {
+ return null;
+ }
+
+ File file= new File(res);
+ if (file.isDirectory())
+ return new IPath[] { new Path(file.getAbsolutePath()) };
+
+ return null;
+ }
+
+ /**
+ * Shows the UI to configure an external class folder.
+ * The dialog returns the configured or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialEntry The path of the initial archive entry.
+ * @return Returns the configured external class folder path or <code>null</code> if the dialog has
+ * been canceled by the user.
+ *
+ * @since 3.4
+ */
+ public static IPath configureExternalClassFolderEntries(Shell shell, IPath initialEntry) {
+ DirectoryDialog dialog= new DirectoryDialog(shell, SWT.SINGLE);
+ dialog.setText(NewWizardMessages.BuildPathDialogAccess_ExtClassFolderDialog_edit_title);
+ dialog.setMessage(NewWizardMessages.BuildPathDialogAccess_ExtClassFolderDialog_edit_description);
+ dialog.setFilterPath(initialEntry.toString());
+
+ String res= dialog.open();
+ if (res == null) {
+ return null;
+ }
+
+ File file= new File(res);
+ if (file.isDirectory())
+ return new Path(file.getAbsolutePath());
+
+ return null;
+ }
+
+ /**
+ * Shows the UI to select new class folders.
+ * The dialog returns the selected class folder entry paths or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialSelection The path of the element to initially select or <code>null</code>.
+ * @param usedEntries An array of paths that are already on the classpath and therefore should not be
+ * selected again.
+ * @return Returns the configured class folder paths or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IPath[] chooseClassFolderEntries(Shell shell, IPath initialSelection, IPath[] usedEntries) {
+ if (usedEntries == null) {
+ throw new IllegalArgumentException();
+ }
+ String title= NewWizardMessages.BuildPathDialogAccess_ExistingClassFolderDialog_new_title;
+ String message= NewWizardMessages.BuildPathDialogAccess_ExistingClassFolderDialog_new_description;
+ return internalChooseFolderEntry(shell, initialSelection, usedEntries, title, message);
+ }
+
+ /**
+ * Shows the UI to select new source folders.
+ * The dialog returns the selected classpath entry paths or <code>null</code> if the dialog has
+ * been canceled. The dialog does not apply any changes.
+ *
+ * @param shell The parent shell for the dialog.
+ * @param initialSelection The path of the element to initially select or <code>null</code>
+ * @param usedEntries An array of paths that are already on the classpath and therefore should not be
+ * selected again.
+ * @return Returns the configured class folder entry paths or <code>null</code> if the dialog has
+ * been canceled by the user.
+ */
+ public static IPath[] chooseSourceFolderEntries(Shell shell, IPath initialSelection, IPath[] usedEntries) {
+ if (usedEntries == null) {
+ throw new IllegalArgumentException();
+ }
+ String title= NewWizardMessages.BuildPathDialogAccess_ExistingSourceFolderDialog_new_title;
+ String message= NewWizardMessages.BuildPathDialogAccess_ExistingSourceFolderDialog_new_description;
+ return internalChooseFolderEntry(shell, initialSelection, usedEntries, title, message);
+ }
+
+
+ private static IPath[] internalChooseFolderEntry(Shell shell, IPath initialSelection, IPath[] usedEntries, String title, String message) {
+ Class<?>[] acceptedClasses= new Class[] { IProject.class, IFolder.class };
+
+ ArrayList<IResource> usedContainers= new ArrayList<IResource>(usedEntries.length);
+ IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
+ for (int i= 0; i < usedEntries.length; i++) {
+ IResource resource= root.findMember(usedEntries[i]);
+ if (resource instanceof IContainer) {
+ usedContainers.add(resource);
+ }
+ }
+
+ IResource focus= initialSelection != null ? root.findMember(initialSelection) : null;
+ Object[] used= usedContainers.toArray();
+
+ MultipleFolderSelectionDialog dialog= new MultipleFolderSelectionDialog(shell, new WorkbenchLabelProvider(), new WorkbenchContentProvider());
+ dialog.setExisting(used);
+ dialog.setTitle(title);
+ dialog.setMessage(message);
+ dialog.setHelpAvailable(false);
+ dialog.addFilter(new TypedViewerFilter(acceptedClasses, used));
+ dialog.setInput(root);
+ dialog.setInitialFocus(focus);
+
+ if (dialog.open() == Window.OK) {
+ Object[] elements= dialog.getResult();
+ IPath[] res= new IPath[elements.length];
+ for (int i= 0; i < res.length; i++) {
+ IResource elem= (IResource) elements[i];
+ res[i]= elem.getFullPath();
+ }
+ return res;
+ }
+ return null;
+ }
+}