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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.properties.celleditors;
import java.text.MessageFormat;
import org.eclipse.jface.viewers.DialogCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
/**
* @author mengbo
*/
public abstract class EditableDialogCellEditor extends DialogCellEditor {
private Text _text;
/**
*
*/
public EditableDialogCellEditor() {
super();
}
/**
* @param parent
*/
public EditableDialogCellEditor(Composite parent) {
super(parent);
}
/**
* @param parent
* @param style
*/
public EditableDialogCellEditor(Composite parent, int style) {
super(parent, style);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.DialogCellEditor#createContents(org.eclipse.swt.widgets.Composite)
*/
protected Control createContents(Composite cell) {
_text = new Text(cell, SWT.LEFT);
_text.setFont(cell.getFont());
_text.setBackground(cell.getBackground());
_text.addKeyListener(new KeyAdapter() {
// hook key pressed - see PR 14201
public void keyPressed(KeyEvent e) {
keyReleaseOccured(e);
// disposed this cell editor
if ((getControl() == null) || getControl().isDisposed()) {
return;
}
}
});
// when the text control has focus, the cellEditor will deactive even
// when you press the button.
// Add the follow codes enable switch to the button control.
_text.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
boolean newValidState = isCorrect(_text.getText());
if (newValidState) {
markDirty();
doSetValue(_text.getText());
} else {
// try to insert the current value into the error message.
setErrorMessage(MessageFormat.format(getErrorMessage(),
new Object[] { _text.getText().toString() }));
}
}
});
return _text;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.CellEditor#doSetFocus()
*/
protected void doSetFocus() {
_text.setFocus();
_text.selectAll();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.DialogCellEditor#updateContents(java.lang.Object)
*/
protected void updateContents(Object value) {
if (_text == null || _text.isDisposed()) {
return;
}
String text = "";//$NON-NLS-1$
if (value != null) {
text = value.toString();
}
_text.setText(text);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.CellEditor#keyReleaseOccured(org.eclipse.swt.events.KeyEvent)
*/
protected void keyReleaseOccured(KeyEvent keyEvent) {
if (keyEvent.character == '\r') {
boolean newValidState = isCorrect(_text.getText());
if (newValidState) {
markDirty();
doSetValue(_text.getText());
} else {
// try to insert the current value into the error message.
setErrorMessage(MessageFormat.format(getErrorMessage(),
new Object[] { _text.getText().toString() }));
}
fireApplyEditorValue();
}
super.keyReleaseOccured(keyEvent);
}
}
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