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/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xsd.ui.internal.properties;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Layout;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.wst.xsd.ui.internal.util.ViewUtility;
public abstract class OptionsTextCellEditor extends CellEditor implements SelectionListener, KeyListener
{
private Composite fEditor;
protected Text fText;
protected boolean isTextReadOnly;
Button moreButton;
Shell dialog;
protected Object fValue;
int selection;
Object typeObject;
private class ComboCellLayout extends Layout
{
public void layout(Composite editor, boolean force)
{
Rectangle bounds= editor.getClientArea();
Point size= moreButton.computeSize(SWT.DEFAULT, bounds.height, force);
fText.setBounds(0, 0, bounds.width - size.x, bounds.height);
moreButton.setBounds(bounds.width - size.x, 0, size.x, size.y);
}
public Point computeSize(Composite editor, int wHint, int hHint, boolean force)
{
if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT)
{
return new Point(wHint, hHint);
}
Point size= fText.computeSize(SWT.DEFAULT, SWT.DEFAULT, force);
// size.x += moreButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, force).x;
return size;
}
}
/**
* Creates a new combo box cell editor with the given choices.
*/
public OptionsTextCellEditor(Composite parent)
{
super(parent);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.CellEditor#createControl(org.eclipse.swt.widgets.Composite)
*/
protected Control createControl(Composite parent)
{
fEditor = ViewUtility.createComposite(parent, 2);
fEditor.setLayout(new ComboCellLayout());
if (isTextReadOnly)
{
fText = new Text(fEditor, SWT.LEFT | SWT.READ_ONLY);
}
else
{
fText = new Text(fEditor, SWT.LEFT);
}
// fText.setEnabled(false);
fText.setBackground(parent.getBackground());
fText.setText("");
fText.addKeyListener(this);
fText.addFocusListener(new FocusAdapter()
{
public void focusLost(FocusEvent e)
{
if (!moreButton.isFocusControl())
{
OptionsTextCellEditor.this.focusLost();
}
}
});
moreButton = ViewUtility.createPushButton(fEditor, "...");
moreButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent e)
{
// System.out.println("More Button Clicked");
openDialog();
}
});
moreButton.addKeyListener(this);
moreButton.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
if (!fText.isFocusControl() && (dialog==null ||
dialog.isDisposed() ||
(dialog!=null && !dialog.isFocusControl())))
{
// System.out.println("MoreButton focusLost");
OptionsTextCellEditor.this.focusLost();
}
}
});
setValueValid(true);
return fEditor;
}
public void activate()
{
// System.out.println("Cell editor activated");
fText.setText(fValue == null ? "" : fValue.toString());
}
protected void focusLost() {
// System.out.println("CELLEDITOR FOCUS LOST");
if (isActivated()) {
applyEditorValueAndDeactivate();
}
}
void applyEditorValueAndDeactivate() {
// must set the selection before getting value
// if (dialog != null && !dialog.isDisposed())
// {
// dialog.close();
// dialog.dispose();
// }
fireApplyEditorValue();
deactivate();
}
public void keyPressed(KeyEvent e)
{
if (e.character == SWT.ESC)
{ // Escape character
fireCancelEditor();
}
else if ((e.character == SWT.CR) || (e.character == SWT.LF))
{ // Return key
applyEditorValueAndDeactivate();
}
}
public void keyReleased(KeyEvent e)
{
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.CellEditor#doGetValue()
* Returns the cell editor's value.
*/
protected Object doGetValue()
{
return fValue;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.CellEditor#doSetFocus()
* Set the focus to the cell editor's UI representation.
*/
protected void doSetFocus()
{
// fButton.setFocus();
// System.out.println("doSetFocus() " + moreButton.setFocus());
fText.setFocus();
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.CellEditor#doSetValue(java.lang.Object)
* Sets the value of the cell editor to the given value.
*/
protected void doSetValue(Object value)
{
fValue = value;
}
protected Point getButtonAbsoluteLocation()
{
Rectangle buttonBounds = moreButton.getBounds();
int x = buttonBounds.x;
int y = buttonBounds.y;
Control c = moreButton;
while (c != null)
{
c = c.getParent();
if (c == null)
break;
x += c.getBounds().x;
y += c.getBounds().y;
}
x += buttonBounds.width + 5;
y += buttonBounds.height;
Point p = new Point(x,y);
return p;
}
protected void cancel()
{
dialog.close();
dialog.dispose();
}
protected abstract void openDialog();
public void widgetSelected(SelectionEvent e)
{
}
public void widgetDefaultSelected(SelectionEvent e)
{
}
}
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