| /******************************************************************************* |
| * Copyright (c) 2007 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<tom.schindl@bestsolution.at> - initial API and implementation |
| * Wayne Beaton - bug 185540 |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.snippets.viewers; |
| |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.ColumnLabelProvider; |
| import org.eclipse.jface.viewers.ComboBoxCellEditor; |
| import org.eclipse.jface.viewers.EditingSupport; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TableViewerColumn; |
| 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.Shell; |
| import org.eclipse.swt.widgets.Table; |
| |
| /** |
| * Snippet to present editor different CellEditors within one column in 3.2 |
| * for 3.3 and above please use the new EditingSupport class |
| * |
| * @author Tom Schindl <tom.schindl@bestsolution.at> |
| * |
| */ |
| public class Snippet034CellEditorPerRowNewAPI { |
| private class MyEditingSupport extends EditingSupport { |
| private CellEditor textEditor; |
| |
| private CellEditor dropDownEditor; |
| |
| public MyEditingSupport(TableViewer viewer) { |
| super(viewer); |
| textEditor = new TextCellEditor(viewer.getTable()); |
| |
| String[] elements = new String[10]; |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i] = i+""; |
| } |
| |
| dropDownEditor = new ComboBoxCellEditor(viewer.getTable(),elements); |
| } |
| |
| protected boolean canEdit(Object element) { |
| return ((MyModel) element).counter % 2 == 0; |
| } |
| |
| protected CellEditor getCellEditor(Object element) { |
| if( element instanceof MyModel2 ) { |
| return dropDownEditor; |
| } else { |
| return textEditor; |
| } |
| } |
| |
| protected Object getValue(Object element) { |
| if( element instanceof MyModel2 ) { |
| return new Integer(((MyModel) element).counter); |
| } else { |
| return ((MyModel) element).counter + ""; |
| } |
| } |
| |
| protected void setValue(Object element, Object value) { |
| ((MyModel)element).counter = Integer.parseInt(value.toString()); |
| getViewer().update(element, 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 class MyModel2 extends MyModel { |
| |
| public MyModel2(int counter) { |
| super(counter); |
| } |
| |
| public String toString() { |
| return "Special Item " + this.counter; |
| } |
| } |
| |
| public Snippet034CellEditorPerRowNewAPI(Shell shell) { |
| final Table table = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION); |
| |
| final TableViewer v = new TableViewer(table); |
| v.getTable().setLinesVisible(true); |
| |
| TableViewerColumn column = new TableViewerColumn(v, SWT.NONE); |
| column.getColumn().setWidth(200); |
| column.setLabelProvider(new ColumnLabelProvider() { |
| |
| public String getText(Object element) { |
| return element.toString(); |
| } |
| |
| }); |
| |
| column.setEditingSupport(new MyEditingSupport(v)); |
| |
| v.setContentProvider(new MyContentProvider()); |
| |
| MyModel[] model = createModel(); |
| v.setInput(model); |
| } |
| |
| private MyModel[] createModel() { |
| MyModel[] elements = new MyModel[20]; |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i] = new MyModel(i); |
| } |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i+10] = new MyModel2(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 Snippet034CellEditorPerRowNewAPI(shell); |
| shell.open(); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| |
| display.dispose(); |
| |
| } |
| |
| } |