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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
* 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:
* Nicolas Guyomar (Mia-Software) - initial API and implementation
* Nicolas Guyomar (Mia-Software) - Bug 334546 - [celleditors] no border on Text field
* Nicolas Bros (Mia-Software) - Bug 334539 - [celleditors] change listener
*****************************************************************************/
package org.eclipse.papyrus.emf.facet.widgets.celleditors.ecore.composite;
import org.eclipse.papyrus.emf.facet.widgets.celleditors.AbstractCellEditorComposite;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
public class BooleanComposite extends AbstractCellEditorComposite<Boolean> {
private Combo combo = null;
private boolean enableSelectionListener = true;
private Control parentControl = null;
public BooleanComposite(final Composite parent) {
this(parent, SWT.NONE);
}
public BooleanComposite(final Composite parent, final int style) {
super(parent, style);
this.parentControl = parent;
GridLayout gd = new GridLayout(1, false);
gd.marginHeight = 0;
gd.marginWidth = 0;
gd.horizontalSpacing = 0;
setLayout(gd);
this.combo = new Combo(this, SWT.READ_ONLY);
this.combo.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
this.combo.setItems(new String[] { "true", "false" }); //$NON-NLS-1$ //$NON-NLS-2$
this.combo.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(final KeyEvent event) {
if ((event.keyCode == SWT.CR && event.stateMask == 0)) {
// Enter key pressed
commit();
} else if (event.keyCode == SWT.ESC && event.stateMask == 0
|| (event.keyCode == SWT.KEYPAD_CR && event.stateMask == 0)) {
// Escape key pressed
close();
}
BooleanComposite.this.setEnableSelectionListener(false);
}
});
this.combo.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(final SelectionEvent e) {
if (BooleanComposite.this.getEnableSelectionListener()) {
fireChanged();
commit();
super.widgetSelected(e);
}
BooleanComposite.this.setEnableSelectionListener(true);
}
});
// commit the cell editor when the mouse is clicked
// anywhere outside the text field
final Listener clickListener = new Listener() {
public void handleEvent(final Event event) {
if (event.widget instanceof Control) {
Control control = (Control) event.widget;
if (control.getShell() == BooleanComposite.this.getParentControl().getShell()) {
if (event.widget != BooleanComposite.this.getCombo()) {
commit();
}
}
}
}
};
Display.getDefault().addFilter(SWT.MouseDown, clickListener);
// this listener is only here to remove
// the other listener from the Display
getCombo().addDisposeListener(new DisposeListener() {
public void widgetDisposed(final DisposeEvent e) {
Display.getDefault().removeFilter(SWT.MouseDown, clickListener);
}
});
this.combo.forceFocus();
}
protected void commit() {
fireCommit();
}
public Boolean getValue() {
if (this.combo.getSelectionIndex() == 0) {
return Boolean.TRUE;
}
return Boolean.FALSE;
}
public void setValue(final Boolean value) {
if (value != null) {
if (value.booleanValue()) {
this.combo.select(0);
} else {
this.combo.select(1);
}
}
}
protected Combo getCombo() {
return this.combo;
}
protected boolean getEnableSelectionListener() {
return this.enableSelectionListener;
}
protected void setEnableSelectionListener(final boolean value) {
this.enableSelectionListener = value;
}
protected Control getParentControl() {
return this.parentControl;
}
}
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