| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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 |
| * Martin Karpisek <martin.karpisek@gmail.com> - Bug 351356 |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.ui.editor; |
| |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.pde.internal.ui.parts.StructuredViewerPart; |
| import org.eclipse.pde.internal.ui.parts.TreePart; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.forms.widgets.FormToolkit; |
| |
| public abstract class TreeSection extends StructuredViewerSection { |
| |
| protected boolean fHandleDefaultButton = true; |
| |
| class PartAdapter extends TreePart { |
| public PartAdapter(String[] buttonLabels) { |
| super(buttonLabels); |
| } |
| |
| @Override |
| public void selectionChanged(IStructuredSelection selection) { |
| getManagedForm().fireSelectionChanged(TreeSection.this, selection); |
| TreeSection.this.selectionChanged(selection); |
| } |
| |
| @Override |
| public void handleDoubleClick(IStructuredSelection selection) { |
| TreeSection.this.handleDoubleClick(selection); |
| } |
| |
| @Override |
| public void buttonSelected(Button button, int index) { |
| TreeSection.this.buttonSelected(index); |
| if (fHandleDefaultButton) |
| button.getShell().setDefaultButton(null); |
| } |
| |
| @Override |
| protected void createButtons(Composite parent, FormToolkit toolkit) { |
| super.createButtons(parent, toolkit); |
| enableButtons(); |
| if (parent.getData("filtered") != null) { //$NON-NLS-1$ |
| GridLayout layout = (GridLayout) fButtonContainer.getLayout(); |
| layout.marginHeight = 28; |
| } |
| } |
| |
| @Override |
| protected TreeViewer createTreeViewer(Composite parent, int style) { |
| return TreeSection.this.createTreeViewer(parent, style); |
| } |
| |
| } |
| |
| /** |
| * Constructor for TableSection. |
| * @param formPage |
| */ |
| public TreeSection(PDEFormPage formPage, Composite parent, int style, String[] buttonLabels) { |
| super(formPage, parent, style, buttonLabels); |
| } |
| |
| @Override |
| protected StructuredViewerPart createViewerPart(String[] buttonLabels) { |
| return new PartAdapter(buttonLabels); |
| } |
| |
| protected TreePart getTreePart() { |
| return (TreePart) fViewerPart; |
| } |
| |
| protected TreeViewer createTreeViewer(Composite parent, int style) { |
| return new TreeViewer(parent, style); |
| } |
| |
| protected void selectionChanged(IStructuredSelection selection) { |
| } |
| |
| /** |
| * Expands or collapsed selected node according to its current state |
| * @param selection |
| */ |
| protected void handleDoubleClick(IStructuredSelection selection) { |
| TreeViewer viewer = (TreeViewer) fViewerPart.getViewer(); |
| boolean expandedState = viewer.getExpandedState(selection.getFirstElement()); |
| viewer.setExpandedState(selection.getFirstElement(), !expandedState); |
| } |
| |
| protected void enableButtons() { |
| } |
| |
| @Override |
| protected void handleSelectAll() { |
| TreeViewer viewer = getTreePart().getTreeViewer(); |
| if (viewer == null) { |
| return; |
| } |
| Tree tree = viewer.getTree(); |
| if (tree == null) { |
| return; |
| } |
| tree.selectAll(); |
| selectionChanged(viewer.getStructuredSelection()); |
| } |
| } |