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/*******************************************************************************
* Copyright (C) 2003-2006, 2013, Guillaume Brocker
*
* 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:
* Guillaume Brocker - Initial API and implementation
*
******************************************************************************/
package eclox.ui.editor.editors;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.forms.widgets.FormToolkit;
public class FileEditor extends TextEditor {
/**
* the push button for browsing the file system
*/
private Button browseFileSystemButton;
/**
* Implements the selection listener attached to the push buttons.
*/
class MySelectionListener implements SelectionListener {
/**
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetDefaultSelected(SelectionEvent e) {
if( e.widget == browseFileSystemButton ) {
browseFileSystem();
}
}
/**
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent e) {
if( e.widget == browseFileSystemButton ) {
browseFileSystem();
}
}
}
public void createContent(Composite parent, FormToolkit formToolkit) {
super.createContent(parent, formToolkit);
// Create controls and their associated layout data.
SelectionListener selectionListener = new MySelectionListener();
GridLayout layout = (GridLayout) parent.getLayout();
layout.numColumns = 2;
browseFileSystemButton = formToolkit.createButton( parent, "Browse...", 0 );
browseFileSystemButton.addSelectionListener( selectionListener );
}
/**
* @see eclox.ui.editor.editors.TextEditor#dispose()
*/
public void dispose() {
// Local cleaning.
browseFileSystemButton.dispose();
// Default cleaning.
super.dispose();
}
/**
* Browses the file system for a path and updates the managed text field.
*/
private void browseFileSystem() {
String result;
result = Convenience.browseFileSystemForFile( text.getShell(), getInput().getOwner(), getInput().getValue() );
if( result!= null ) {
super.text.setText( result );
}
}
/**
* @see eclox.ui.editor.editors.TextEditor#setEnabled(boolean)
*/
public void setEnabled(boolean enabled) {
assert browseFileSystemButton != null;
browseFileSystemButton.setEnabled(enabled);
super.setEnabled(enabled);
}
}
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