/*******************************************************************************
* 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
*******************************************************************************/
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.Shell;
import org.eclipse.swt.widgets.TableItem;
/**
* Edit cell values in a table
*
* @author Tom Schindl <tom.schindl@bestsolution.at>
*
*/
public class Snippet009CellEditors {
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 Snippet009CellEditors(Shell shell) {
final TableViewer v = new TableViewer(shell,SWT.BORDER|SWT.FULL_SELECTION);
v.setLabelProvider(new LabelProvider());
v.setContentProvider(new MyContentProvider());
v.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 ((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());
v.update(item.getData(), null);
}
});
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 Snippet009CellEditors(shell);
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}