/******************************************************************************* | |
* Copyright (c) 2006 Eric Rizzo 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: | |
* Eric Rizzo - initial implementation | |
*******************************************************************************/ | |
package org.eclipse.jface.snippets.viewers; | |
import java.text.MessageFormat; | |
import org.eclipse.jface.dialogs.InputDialog; | |
import org.eclipse.jface.viewers.DialogCellEditor; | |
import org.eclipse.jface.window.Window; | |
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; | |
/** | |
* A CellEditor that is a blending of DialogCellEditor and TextCellEditor. The user can either type | |
* directly into the Text or use the button to open a Dialog for editing the cell's value. | |
* | |
*/ | |
public class TextAndDialogCellEditor extends DialogCellEditor { | |
private Text textField; | |
private String dialogMessage; | |
private String dialogTitle; | |
public TextAndDialogCellEditor(Composite parent) { | |
super(parent); | |
} | |
public void setDialogMessage(String dialogMessage) { | |
this.dialogMessage = dialogMessage; | |
} | |
public void setDialogTitle(String dialogTitle) { | |
this.dialogTitle = dialogTitle; | |
} | |
protected Control createContents(Composite cell) { | |
textField = new Text(cell, SWT.NONE); | |
textField.setFont(cell.getFont()); | |
textField.setBackground(cell.getBackground()); | |
textField.addFocusListener(new FocusAdapter() { | |
public void focusLost(FocusEvent event) { | |
setValueToModel(); | |
} | |
}); | |
textField.addKeyListener(new KeyAdapter() { | |
public void keyPressed(KeyEvent event) { | |
keyReleaseOccured(event); | |
} | |
}); | |
return textField; | |
} | |
protected void keyReleaseOccured(KeyEvent keyEvent) { | |
if (keyEvent.keyCode == SWT.CR || keyEvent.keyCode == SWT.KEYPAD_CR) { // Enter key | |
setValueToModel(); | |
} | |
super.keyReleaseOccured(keyEvent); | |
} | |
protected void setValueToModel() { | |
String newValue = textField.getText(); | |
boolean newValidState = isCorrect(newValue); | |
if (newValidState) { | |
markDirty(); | |
doSetValue(newValue); | |
} else { | |
// try to insert the current value into the error message. | |
setErrorMessage(MessageFormat.format(getErrorMessage(), new Object[] { newValue.toString() })); | |
} | |
} | |
protected void updateContents(Object value) { | |
if (textField == null) { | |
return; | |
} | |
String text = ""; | |
if (value != null) { | |
text = value.toString(); | |
} | |
textField.setText(text); | |
} | |
protected void doSetFocus() { | |
// Overridden to set focus to the Text widget instead of the Button. | |
textField.setFocus(); | |
textField.selectAll(); | |
} | |
protected Object openDialogBox(Control cellEditorWindow) { | |
InputDialog dialog = new InputDialog(cellEditorWindow.getShell(), dialogTitle, dialogMessage, getDialogInitialValue(), null); | |
if (dialog.open() == Window.OK) { | |
return dialog.getValue(); | |
} else { | |
return null; | |
} | |
} | |
protected String getDialogInitialValue() { | |
Object value = getValue(); | |
if (value == null) { | |
return null; | |
} else { | |
return value.toString(); | |
} | |
} | |
} |