| /******************************************************************************* |
| * Copyright (c) 2008, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.ui.preferences; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jdt.core.*; |
| import org.eclipse.jdt.ui.*; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.jface.viewers.*; |
| import org.eclipse.pde.internal.core.natures.PDE; |
| import org.eclipse.pde.internal.ui.*; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.SelectionStatusDialog; |
| |
| /** |
| * A dialog for selecting a project to configure project specific settings for |
| * |
| * @since 1.0.0 |
| */ |
| public class ProjectSelectionDialog extends SelectionStatusDialog { |
| |
| class ApiJavaElementContentProvider extends StandardJavaElementContentProvider { |
| @Override |
| public Object[] getChildren(Object element) { |
| if (element instanceof IJavaModel) { |
| IJavaModel model = (IJavaModel) element; |
| HashSet<IJavaProject> set = new HashSet<>(); |
| try { |
| IJavaProject[] projects = model.getJavaProjects(); |
| for (IJavaProject project : projects) { |
| if (project.getProject().hasNature(PDE.PLUGIN_NATURE)) { |
| set.add(project); |
| } |
| } |
| } catch (CoreException ce) { |
| //ignore |
| } |
| return set.toArray(); |
| } |
| return super.getChildren(element); |
| } |
| } |
| |
| // the visual selection widget group |
| private TableViewer fTableViewer; |
| private Set<IJavaProject> fProjectsWithSpecifics; |
| |
| // sizing constants |
| private final static int SIZING_SELECTION_WIDGET_HEIGHT = 250; |
| private final static int SIZING_SELECTION_WIDGET_WIDTH = 300; |
| |
| private final static String DIALOG_SETTINGS_SHOW_ALL = "ProjectSelectionDialog.show_all"; //$NON-NLS-1$ |
| |
| /** |
| * The filter for the viewer |
| */ |
| private ViewerFilter fFilter; |
| |
| /** |
| * Constructor |
| * @param parentShell |
| * @param projectsWithSpecifics |
| */ |
| public ProjectSelectionDialog(Shell parentShell, Set<IJavaProject> projectsWithSpecifics) { |
| super(parentShell); |
| setTitle(PDEUIMessages.ProjectSelectionDialog_title); |
| setMessage(PDEUIMessages.ProjectSelectionDialog_message); |
| fProjectsWithSpecifics = projectsWithSpecifics; |
| |
| fFilter = new ViewerFilter() { |
| @Override |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| return fProjectsWithSpecifics.contains(element); |
| } |
| }; |
| } |
| |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| // page group |
| Composite composite = (Composite) super.createDialogArea(parent); |
| |
| Font font = parent.getFont(); |
| composite.setFont(font); |
| |
| createMessageArea(composite); |
| |
| fTableViewer = new TableViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); |
| fTableViewer.addSelectionChangedListener(event -> doSelectionChanged(event.getStructuredSelection().toArray())); |
| fTableViewer.addDoubleClickListener(event -> okPressed()); |
| GridData data = new GridData(SWT.FILL, SWT.FILL, true, true); |
| data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT; |
| data.widthHint = SIZING_SELECTION_WIDGET_WIDTH; |
| fTableViewer.getTable().setLayoutData(data); |
| |
| fTableViewer.setLabelProvider(new JavaElementLabelProvider()); |
| fTableViewer.setContentProvider(new ApiJavaElementContentProvider()); |
| fTableViewer.setComparator(new JavaElementComparator()); |
| fTableViewer.getControl().setFont(font); |
| |
| Button checkbox = SWTFactory.createCheckButton(composite, PDEUIMessages.ProjectSelectionDialog_settingsTitle, null, false, 1); |
| checkbox.addSelectionListener(new SelectionListener() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| updateFilter(((Button) e.widget).getSelection()); |
| } |
| |
| @Override |
| public void widgetDefaultSelected(SelectionEvent e) { |
| updateFilter(((Button) e.widget).getSelection()); |
| } |
| }); |
| IDialogSettings dialogSettings = PDEPlugin.getDefault().getDialogSettings(); |
| boolean doFilter = !dialogSettings.getBoolean(DIALOG_SETTINGS_SHOW_ALL) && !fProjectsWithSpecifics.isEmpty(); |
| checkbox.setSelection(doFilter); |
| updateFilter(doFilter); |
| |
| IJavaModel input = JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()); |
| fTableViewer.setInput(input); |
| |
| doSelectionChanged(new Object[0]); |
| Dialog.applyDialogFont(composite); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.PROJECT_SELECTION_DIALOG); |
| return composite; |
| } |
| |
| /** |
| * Handles the change in selection of the viewer and updates the status of the dialog at the same time |
| * @param objects |
| */ |
| private void doSelectionChanged(Object[] objects) { |
| if (objects.length != 1) { |
| updateStatus(Status.error("")); //$NON-NLS-1$ |
| setSelectionResult(null); |
| } else { |
| updateStatus(Status.OK_STATUS); |
| setSelectionResult(objects); |
| } |
| } |
| |
| /** |
| * Updates the viewer filter based on the selection of the 'show project with...' button |
| * @param selected |
| */ |
| protected void updateFilter(boolean selected) { |
| if (selected) { |
| fTableViewer.addFilter(fFilter); |
| } else { |
| fTableViewer.removeFilter(fFilter); |
| } |
| PDEPlugin.getDefault().getDialogSettings().put(DIALOG_SETTINGS_SHOW_ALL, !selected); |
| } |
| |
| @Override |
| protected void computeResult() { |
| } |
| } |