| /******************************************************************************* |
| * Copyright (c) 2008 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.ui.internal.widgets; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.search.IJavaSearchScope; |
| import org.eclipse.jdt.core.search.SearchEngine; |
| import org.eclipse.jdt.internal.ui.refactoring.contentassist.ControlContentAssistHelper; |
| import org.eclipse.jdt.internal.ui.refactoring.contentassist.JavaTypeCompletionProcessor; |
| import org.eclipse.jdt.ui.IJavaElementSearchConstants; |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.jpt.ui.JptUiPlugin; |
| import org.eclipse.jpt.ui.internal.JptUiMessages; |
| import org.eclipse.jpt.utility.internal.ClassTools; |
| import org.eclipse.jpt.utility.model.Model; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.SelectionDialog; |
| import org.eclipse.ui.progress.IProgressService; |
| |
| /** |
| * This chooser allows the user to choose a type when browsing and it adds code |
| * completion support to the text field, which is the main component. |
| * <p> |
| * Here the layout of this pane: |
| * <pre> |
| * ----------------------------------------------------------------------------- |
| * | !---------------------------------------------------- ------------- | |
| * | Label: | I | | Browse... | | |
| * | ---------------------------------------------------- ------------- | |
| * -----------------------------------------------------------------------------</pre> |
| * |
| * @version 2.0 |
| * @since 2.0 |
| */ |
| @SuppressWarnings("nls") |
| public abstract class ClassChooserPane<T extends Model> extends AbstractChooserPane<T> |
| { |
| /** |
| * The code completion manager. |
| */ |
| private JavaTypeCompletionProcessor javaTypeCompletionProcessor; |
| |
| /** |
| * Creates a new <code>ClassChooserPane</code>. |
| * |
| * @param parentPane The parent pane of this one |
| * @param parent The parent container |
| */ |
| public ClassChooserPane(AbstractPane<? extends T> parentPane, |
| Composite parent) { |
| |
| super(parentPane, parent); |
| } |
| |
| /** |
| * Creates a new <code>ClassChooserPane</code>. |
| * |
| * @param parentPane The parent container of this one |
| * @param subjectHolder The holder of this pane's subject |
| * @param parent The parent container |
| */ |
| public ClassChooserPane(AbstractPane<?> parentPane, |
| PropertyValueModel<? extends T> subjectHolder, |
| Composite parent) { |
| |
| super(parentPane, subjectHolder, parent); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected final Runnable buildBrowseAction() { |
| return new Runnable() { |
| public void run() { |
| promptType(); |
| } |
| }; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected Control buildMainControl(Composite container) { |
| |
| Text text = buildText(container, buildTextHolder()); |
| |
| ControlContentAssistHelper.createTextContentAssistant( |
| text, |
| javaTypeCompletionProcessor |
| ); |
| |
| return text; |
| } |
| |
| /** |
| * Creates the value holder of the subject's property. |
| * |
| * @return The holder of the class name |
| */ |
| protected abstract WritablePropertyValueModel<String> buildTextHolder(); |
| |
| /** |
| * Prompts the user the Open Type dialog. |
| * |
| * @return Either the selected type or <code>null</code> if the user |
| * cancelled the dialog |
| */ |
| protected IType chooseType() { |
| |
| IPackageFragmentRoot root = packageFragmentRoot(); |
| |
| if (root == null) { |
| return null; |
| } |
| |
| IJavaElement[] elements = new IJavaElement[] { root.getJavaProject() }; |
| IJavaSearchScope scope = SearchEngine.createJavaSearchScope(elements); |
| IProgressService service = PlatformUI.getWorkbench().getProgressService(); |
| SelectionDialog typeSelectionDialog; |
| |
| try { |
| typeSelectionDialog = JavaUI.createTypeDialog( |
| shell(), |
| service, |
| scope, |
| IJavaElementSearchConstants.CONSIDER_CLASSES, |
| false, |
| className() != null ? ClassTools.shortNameForClassNamed(className()) : "" |
| ); |
| } |
| catch (JavaModelException e) { |
| JptUiPlugin.log(e); |
| return null; |
| } |
| |
| typeSelectionDialog.setTitle(JptUiMessages.ClassChooserPane_dialogTitle); |
| typeSelectionDialog.setMessage(JptUiMessages.ClassChooserPane_dialogMessage); |
| |
| if (typeSelectionDialog.open() == Window.OK) { |
| return (IType) typeSelectionDialog.getResult()[0]; |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns the class name from its subject. |
| * |
| * @return The class name or <code>null</code> if none is defined |
| */ |
| protected abstract String className(); |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void doPopulate() { |
| super.doPopulate(); |
| updatePackageFragment(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void initialize() { |
| super.initialize(); |
| |
| // TODO bug 156185 - when this is fixed there should be api for this |
| this.javaTypeCompletionProcessor = new JavaTypeCompletionProcessor(false, false); |
| } |
| |
| /** |
| * Retrieves the ?? |
| * |
| * @return Either the root of the package fragment or <code>null</code> if it |
| * can't be retrieved |
| */ |
| protected abstract IPackageFragmentRoot packageFragmentRoot(); |
| |
| /** |
| * The browse button was clicked, its action invokes this action which should |
| * prompt the user to select a class and set it. |
| */ |
| protected abstract void promptType(); |
| |
| private void updatePackageFragment() { |
| |
| if (subject() != null) { |
| IPackageFragmentRoot root = packageFragmentRoot(); |
| |
| if (root != null) { |
| javaTypeCompletionProcessor.setPackageFragment(root.getPackageFragment("")); |
| return; |
| } |
| } |
| |
| javaTypeCompletionProcessor.setPackageFragment(null); |
| } |
| } |