| /******************************************************************************* |
| * Copyright (c) 2007 Marcel 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: |
| * Marcel <emmpeegee@gmail.com> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.snippets.viewers; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.ColumnViewerEditor; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy; |
| import org.eclipse.jface.viewers.ICellModifier; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.TextCellEditor; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.TreeViewerEditor; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.TreeItem; |
| |
| /** |
| * |
| */ |
| public class Snippet053StartEditorWithContextMenu implements SelectionListener { |
| |
| private TreeViewer viewer; |
| |
| private class MyContentProvider implements ITreeContentProvider { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return ((MyModel)inputElement).child.toArray(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| public void dispose() { |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parentElement) { |
| return getElements(parentElement); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| if( element == null) { |
| return null; |
| } |
| |
| return ((MyModel)element).parent; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| public boolean hasChildren(Object element) { |
| return ((MyModel)element).child.size() > 0; |
| } |
| |
| } |
| |
| public class MyModel { |
| public MyModel parent; |
| public ArrayList child = new ArrayList(); |
| public int counter; |
| |
| public MyModel(int counter, MyModel parent) { |
| this.parent = parent; |
| this.counter = counter; |
| } |
| |
| public String toString() { |
| String rv = "Item "; |
| if( parent != null ) { |
| rv = parent.toString() + "."; |
| } |
| |
| rv += counter; |
| |
| return rv; |
| } |
| } |
| |
| public Snippet053StartEditorWithContextMenu(Shell shell) { |
| viewer = new TreeViewer(shell, SWT.BORDER); |
| viewer.setContentProvider(new MyContentProvider()); |
| viewer.setCellEditors(new CellEditor[] {new TextCellEditor(viewer.getTree())}); |
| viewer.setColumnProperties(new String[] { "name" }); |
| viewer.setCellModifier(new ICellModifier() { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object, java.lang.String) |
| */ |
| public boolean canModify(Object element, String property) { |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object, java.lang.String) |
| */ |
| public Object getValue(Object element, String property) { |
| return ((MyModel)element).counter + ""; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ICellModifier#modify(java.lang.Object, java.lang.String, java.lang.Object) |
| */ |
| public void modify(Object element, String property, Object value) { |
| TreeItem item = (TreeItem)element; |
| ((MyModel)item.getData()).counter = Integer.parseInt(value.toString()); |
| viewer.update(item.getData(), null); |
| } |
| |
| }); |
| |
| TreeViewerEditor.create(viewer, new ColumnViewerEditorActivationStrategy(viewer) { |
| protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event) { |
| return event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC; |
| } |
| }, ColumnViewerEditor.DEFAULT); |
| |
| Menu menu = new Menu(viewer.getControl()); |
| MenuItem renameItem = new MenuItem(menu, SWT.PUSH); |
| renameItem.addSelectionListener(this); |
| renameItem.setText("Rename"); |
| viewer.getTree().setMenu(menu); |
| |
| viewer.setInput(createModel()); |
| } |
| |
| public void widgetDefaultSelected(SelectionEvent e) { |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); |
| if (selection != null) { |
| viewer.editElement(selection.getFirstElement(), 0); |
| } |
| } |
| |
| private MyModel createModel() { |
| |
| MyModel root = new MyModel(0,null); |
| root.counter = 0; |
| |
| MyModel tmp; |
| for( int i = 1; i < 10; i++ ) { |
| tmp = new MyModel(i, root); |
| root.child.add(tmp); |
| for( int j = 1; j < i; j++ ) { |
| tmp.child.add(new MyModel(j,tmp)); |
| } |
| } |
| |
| return root; |
| } |
| |
| public static void main(String[] args) { |
| Display display = new Display (); |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| new Snippet053StartEditorWithContextMenu(shell); |
| shell.open (); |
| |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| |
| display.dispose (); |
| } |
| } |
| |
| |