Attachment 75832 Details for Bug 199546 – CheckBox binding

[patch] CheckBox binding

TableViewerCheckBoxBinding.java (text/plain), 1.50 KB, created by Thomas Kratz

on 2007-08-10 06:55:51 EDT

(hide)

Description:

Filename:

MIME Type:

Creator: Thomas Kratz

Created: 2007-08-10 06:55:51 EDT

Size: 1.50 KB

patch

obsolete

>package de.eiswind.paris.client.core.databinding;
>
>import org.eclipse.core.databinding.observable.set.IObservableSet;
>import org.eclipse.core.databinding.observable.set.ISetChangeListener;
>import org.eclipse.core.databinding.observable.set.SetChangeEvent;
>import org.eclipse.jface.viewers.TableViewer;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Listener;
>import org.eclipse.swt.widgets.TableItem;
>
>public class TableViewerCheckBoxBinding implements ISetChangeListener {
>
>	private IObservableSet checked;
>
>	private TableViewer tableViewer;
>
>	public TableViewerCheckBoxBinding(TableViewer viewer, IObservableSet checked) {
>
>		this.tableViewer = viewer;
>		this.checked = checked;
>		setCheckedItems();
>
>		viewer.getTable().addListener(SWT.Selection, new Listener() {
>			public void handleEvent(Event e) {
>				if (e.detail == SWT.CHECK) {
>					handleCheckEvent(e);
>				}
>
>			}
>		});
>		checked.addSetChangeListener(this);
>	}
>
>	@Override
>	public void handleSetChange(SetChangeEvent event) {
>		setCheckedItems();
>	}
>
>	private void setCheckedItems() {
>		TableItem[] items = tableViewer.getTable().getItems();
>		for (int i = 0; i < items.length; i++) {
>			items[i].setChecked(checked.contains(items[i].getData()));
>		}
>	}
>
>	private void handleCheckEvent(Event e) {
>		TableItem item = (TableItem) e.item;
>		Object check = item.getData();
>		if (item.getChecked() == true) {
>			checked.add(check);
>		} else {
>			checked.remove(check);
>		}
>	}
>}

Actions: View | Diff

Attachments on bug 199546: 75832