| /******************************************************************************* |
| * 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 - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.snippets.viewers; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.CheckboxCellEditor; |
| import org.eclipse.jface.viewers.ComboBoxCellEditor; |
| import org.eclipse.jface.viewers.ICellEditorListener; |
| import org.eclipse.jface.viewers.ICellModifier; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| 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.graphics.Image; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableColumn; |
| import org.eclipse.swt.widgets.TableItem; |
| |
| /** |
| * 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 Snippet033CellEditorPerRowPre33 { |
| private class MyCellModifier implements ICellModifier { |
| |
| private TableViewer viewer; |
| |
| private boolean enabled = true; |
| |
| 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 true; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object, |
| * java.lang.String) |
| */ |
| public Object getValue(Object element, String property) { |
| if( element instanceof MyModel3 ) { |
| return new Boolean(((MyModel3)element).checked); |
| } else if( element instanceof MyModel2 ) { |
| return new Integer(((MyModel) element).counter); |
| } else { |
| 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; |
| |
| if( item.getData() instanceof MyModel3 ) { |
| ((MyModel3) item.getData()).checked=((Boolean)value).booleanValue(); |
| } else { |
| ((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 class MyModel2 extends MyModel { |
| |
| public MyModel2(int counter) { |
| super(counter); |
| } |
| |
| public String toString() { |
| return "Special Item " + this.counter; |
| } |
| } |
| |
| public class MyModel3 extends MyModel { |
| public boolean checked; |
| |
| public MyModel3(int counter) { |
| super(counter); |
| } |
| |
| public String toString() { |
| return "Special Item " + this.counter; |
| } |
| } |
| |
| |
| public class DelegatingEditor extends CellEditor { |
| |
| private StructuredViewer viewer; |
| |
| private CellEditor delegatingTextEditor; |
| |
| private CellEditor delegatingDropDownEditor; |
| |
| private CellEditor activeEditor; |
| |
| private CellEditor delegatingCheckBoxEditor; |
| |
| private class DelegatingListener implements ICellEditorListener { |
| |
| public void applyEditorValue() { |
| fireApplyEditorValue(); |
| } |
| |
| public void cancelEditor() { |
| fireCancelEditor(); |
| } |
| |
| public void editorValueChanged(boolean oldValidState, |
| boolean newValidState) { |
| fireEditorValueChanged(oldValidState, newValidState); |
| } |
| |
| } |
| |
| public DelegatingEditor(StructuredViewer viewer, Composite parent) { |
| super(parent); |
| this.viewer = viewer; |
| DelegatingListener l = new DelegatingListener(); |
| this.delegatingTextEditor = new TextCellEditor(parent); |
| this.delegatingTextEditor.addListener(l); |
| |
| String[] elements = new String[10]; |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i] = i+""; |
| } |
| |
| this.delegatingDropDownEditor = new ComboBoxCellEditor(parent,elements); |
| this.delegatingDropDownEditor.addListener(l); |
| |
| this.delegatingCheckBoxEditor = new CheckboxCellEditor(parent); |
| this.delegatingCheckBoxEditor.addListener(l); |
| } |
| |
| protected Control createControl(Composite parent) { |
| return null; |
| } |
| |
| protected Object doGetValue() { |
| return activeEditor.getValue(); |
| } |
| |
| protected void doSetFocus() { |
| activeEditor.setFocus(); |
| } |
| |
| public void activate() { |
| if( activeEditor != null ) { |
| activeEditor.activate(); |
| } |
| } |
| |
| protected void doSetValue(Object value) { |
| |
| if( ((IStructuredSelection)this.viewer.getSelection()).getFirstElement() instanceof MyModel3 ) { |
| activeEditor = delegatingCheckBoxEditor; |
| } else if( ((IStructuredSelection)this.viewer.getSelection()).getFirstElement() instanceof MyModel2 ) { |
| activeEditor = delegatingDropDownEditor; |
| } else { |
| activeEditor = delegatingTextEditor; |
| } |
| |
| activeEditor.setValue(value); |
| } |
| |
| public void deactivate() { |
| if( activeEditor != null ) { |
| Control control = activeEditor.getControl(); |
| if (control != null && !control.isDisposed()) { |
| control.setVisible(false); |
| } |
| } |
| } |
| |
| public void dispose() { |
| |
| } |
| |
| public Control getControl() { |
| return activeEditor.getControl(); |
| } |
| } |
| |
| public Snippet033CellEditorPerRowPre33(Shell shell) { |
| final Table table = new Table(shell, SWT.BORDER | SWT.FULL_SELECTION); |
| final MyCellModifier modifier = new MyCellModifier(); |
| |
| final TableViewer v = new TableViewer(table); |
| modifier.setViewer(v); |
| |
| TableColumn column = new TableColumn(table, SWT.NONE); |
| column.setWidth(200); |
| |
| v.setLabelProvider(new MyLabelProvider()); |
| v.setContentProvider(new MyContentProvider()); |
| v.setCellModifier(modifier); |
| v.setColumnProperties(new String[] { "column1" }); |
| v.setCellEditors(new CellEditor[] { new DelegatingEditor(v,v.getTable()) }); |
| |
| MyModel[] model = createModel(); |
| v.setInput(model); |
| v.getTable().setLinesVisible(true); |
| } |
| |
| private class MyLabelProvider extends LabelProvider { |
| public Image getImage(Object element) { |
| if( element instanceof MyModel3 ) { |
| if( ((MyModel3)element).checked ) { |
| return JFaceResources.getImage("IMG_1"); |
| } else { |
| return JFaceResources.getImage("IMG_2"); |
| } |
| |
| } |
| return super.getImage(element); |
| } |
| |
| } |
| |
| private MyModel[] createModel() { |
| MyModel[] elements = new MyModel[30]; |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i] = new MyModel3(i); |
| } |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i+10] = new MyModel(i); |
| } |
| |
| for (int i = 0; i < 10; i++) { |
| elements[i+20] = new MyModel2(i); |
| } |
| |
| return elements; |
| } |
| |
| /** |
| * @param args |
| */ |
| public static void main(String[] args) { |
| Display display = new Display(); |
| JFaceResources.getImageRegistry().put("IMG_1", ImageDescriptor.createFromURL(Snippet033CellEditorPerRowPre33.class.getClassLoader().getResource("org/eclipse/jface/snippets/dialogs/cancel.png"))); |
| JFaceResources.getImageRegistry().put("IMG_2", ImageDescriptor.createFromURL(Snippet033CellEditorPerRowPre33.class.getClassLoader().getResource("org/eclipse/jface/snippets/dialogs/filesave.png"))); |
| Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| new Snippet033CellEditorPerRowPre33(shell); |
| shell.open(); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| |
| display.dispose(); |
| |
| } |
| |
| } |