| /******************************************************************************* |
| * Copyright (c) 2003, 2011 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.wst.server.ui.internal.viewers; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.ViewerSorter; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Link; |
| import org.eclipse.ui.dialogs.FilteredTree; |
| /** |
| * |
| */ |
| public abstract class AbstractTreeComposite extends Composite { |
| protected FilteredTree tree; |
| protected TreeViewer treeViewer; |
| protected Label description; |
| |
| public AbstractTreeComposite(Composite parent) { |
| super(parent, SWT.NONE); |
| |
| createWidgets(); |
| } |
| |
| protected void createWidgets() { |
| GridLayout layout = new GridLayout(); |
| layout.horizontalSpacing = 3; |
| layout.verticalSpacing = 3; |
| layout.marginWidth = 0; |
| layout.marginHeight = 0; |
| layout.numColumns = 2; |
| setLayout(layout); |
| |
| String descriptionText = getDescriptionLabel(); |
| if (descriptionText != null) { |
| Label label = new Label(this, SWT.WRAP); |
| label.setText(descriptionText); |
| GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER); |
| data.horizontalSpan = 2; |
| label.setLayoutData(data); |
| } |
| |
| String details = getDetailsLabel(); |
| if (details != null) { |
| Link prefLink = new Link(this, SWT.NONE); |
| GridData data = new GridData(GridData.HORIZONTAL_ALIGN_END); |
| data.horizontalSpan = 2; |
| prefLink.setLayoutData(data); |
| prefLink.setText("<a>" + details + "</a>"); |
| prefLink.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| detailsSelected(); |
| } |
| }); |
| } |
| |
| Label label = new Label(this, SWT.WRAP); |
| label.setText(getTitleLabel()); |
| GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER); |
| if (descriptionText != null && details == null) |
| data.verticalIndent = 7; |
| data.horizontalSpan = 2; |
| label.setLayoutData(data); |
| |
| createTree(); |
| data = new GridData(GridData.FILL_BOTH); |
| data.horizontalSpan = 2; |
| tree.setLayoutData(data); |
| |
| treeViewer = tree.getViewer(); |
| treeViewer.setSorter(new ViewerSorter()); |
| treeViewer.addDoubleClickListener(new IDoubleClickListener() { |
| public void doubleClick(DoubleClickEvent event) { |
| IStructuredSelection s = (IStructuredSelection) event.getSelection(); |
| Object element = s.getFirstElement(); |
| if (treeViewer.isExpandable(element)) |
| treeViewer.setExpandedState(element, !treeViewer.getExpandedState(element)); |
| } |
| }); |
| |
| if (hasDescription()) { |
| description = new Label(this, SWT.WRAP); |
| description.setText("Multi\nLine\nMessage"); |
| Dialog.applyDialogFont(this); |
| Point p = description.computeSize(SWT.DEFAULT, SWT.DEFAULT); |
| description.setText(""); |
| data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER); |
| data.horizontalSpan = 2; |
| if (p.y > 10) |
| data.heightHint = p.y; |
| else |
| data.heightHint = 42; |
| description.setLayoutData(data); |
| } |
| |
| tree.forceFocus(); |
| } |
| |
| protected void createTree() { |
| tree = new FilteredTree(this, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.SINGLE, new ServerPatternFilter()); |
| } |
| |
| protected abstract String getDescriptionLabel(); |
| |
| protected abstract String getTitleLabel(); |
| |
| protected boolean hasDescription() { |
| return true; |
| } |
| |
| protected void setDescription(String text) { |
| if (description != null && text != null) |
| description.setText(text); |
| } |
| |
| protected TreeViewer getTreeViewer() { |
| return treeViewer; |
| } |
| |
| protected Object getSelection(ISelection sel2) { |
| IStructuredSelection sel = (IStructuredSelection) sel2; |
| return sel.getFirstElement(); |
| } |
| |
| public void refresh() { |
| treeViewer.refresh(); |
| } |
| |
| public void refresh(Object obj) { |
| treeViewer.refresh(obj); |
| } |
| |
| public void remove(Object obj) { |
| treeViewer.remove(obj); |
| } |
| |
| protected String getDetailsLabel() { |
| return null; |
| } |
| |
| protected void detailsSelected() { |
| // do nothing |
| } |
| } |