| /******************************************************************************* |
| * Copyright (c) 2006 Tom Schindl 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: |
| * Tom Schindl - initial API and implementation |
| * Dinko Ivanov - bug 164365 |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.snippets.viewers; |
| |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.ICellModifier; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TextCellEditor; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableColumn; |
| import org.eclipse.swt.widgets.TableItem; |
| |
| /** |
| * Editor Activation on DoubleClick instead of single. |
| * |
| * @author Tom Schindl <tom.schindl@bestsolution.at> |
| * |
| */ |
| public class Snippet021CellEditorsOnDoubleClick { |
| private class MyCellModifier implements ICellModifier { |
| |
| private TableViewer viewer; |
| |
| private boolean enabled; |
| |
| public void setEnabled(boolean enabled) { |
| this.enabled = enabled; |
| } |
| |
| |
| public void setViewer(TableViewer viewer) { |
| this.viewer = viewer; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object, |
| * java.lang.String) |
| */ |
| public boolean canModify(Object element, String property) { |
| return enabled && ((MyModel) element).counter % 2 == 0; |
| } |
| |
| /* |
| * (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) { |
| TableItem item = (TableItem) element; |
| ((MyModel) item.getData()).counter = Integer.parseInt(value |
| .toString()); |
| viewer.update(item.getData(), null); |
| } |
| } |
| |
| private class MyContentProvider implements IStructuredContentProvider { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| return (MyModel[]) inputElement; |
| } |
| |
| /* |
| * (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) { |
| |
| } |
| |
| } |
| |
| public class MyModel { |
| public int counter; |
| |
| public MyModel(int counter) { |
| this.counter = counter; |
| } |
| |
| public String toString() { |
| return "Item " + this.counter; |
| } |
| } |
| |
| public Snippet021CellEditorsOnDoubleClick(Shell shell) { |
| final Table table = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION); |
| final MyCellModifier modifier = new MyCellModifier(); |
| |
| table.addListener(SWT.MouseDown, new Listener() { |
| |
| public void handleEvent(Event event) { |
| modifier.setEnabled(false); |
| } |
| |
| }); |
| |
| final TableViewer v = new TableViewer(table); |
| |
| table.addListener(SWT.MouseDoubleClick, new Listener() { |
| |
| public void handleEvent(Event event) { |
| modifier.setEnabled(true); |
| TableItem[] selection = table.getSelection(); |
| |
| if (selection.length != 1) { |
| return; |
| } |
| |
| TableItem item = table.getSelection()[0]; |
| |
| for (int i = 0; i < table.getColumnCount(); i++) { |
| if (item.getBounds(i).contains(event.x, event.y)) { |
| v.editElement(item.getData(), i); |
| modifier.setEnabled(false); |
| break; |
| } |
| } |
| } |
| |
| }); |
| |
| modifier.setViewer(v); |
| |
| TableColumn column = new TableColumn(table, SWT.NONE); |
| column.setWidth(200); |
| |
| v.setLabelProvider(new LabelProvider()); |
| v.setContentProvider(new MyContentProvider()); |
| v.setCellModifier(modifier); |
| v.setColumnProperties(new String[] { "column1" }); |
| v.setCellEditors(new CellEditor[] { new TextCellEditor(v.getTable()) }); |
| |
| MyModel[] model = createModel(); |
| v.setInput(model); |
| v.getTable().setLinesVisible(true); |
| } |
| |
| private MyModel[] createModel() { |
| MyModel[] elements = new MyModel[10]; |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i] = new MyModel(i); |
| } |
| |
| return elements; |
| } |
| |
| /** |
| * @param args |
| */ |
| public static void main(String[] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| new Snippet021CellEditorsOnDoubleClick(shell); |
| shell.open(); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| |
| display.dispose(); |
| |
| } |
| |
| } |