/*******************************************************************************
* Copyright (c) 2005 Vlad Dumitrescu 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:
* Vlad Dumitrescu
*******************************************************************************/
package org.erlide.ui.prefs;
import org.eclipse.jface.preference.DirectoryFieldEditor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.widgets.Composite;
import org.erlide.runtime.runtimeinfo.RuntimeInfo;
public class OtpDirectoryFieldEditor extends DirectoryFieldEditor {
public OtpDirectoryFieldEditor(final String name, final String label,
final Composite parent) {
init(name, label);
setErrorMessage("\"Erlang Home\" location isn't an Erlang root directory");
setChangeButtonText(JFaceResources.getString("openBrowse")); //$NON-NLS-1$
setValidateStrategy(VALIDATE_ON_KEY_STROKE);
// setValidateStrategy(VALIDATE_ON_FOCUS_LOST);
createControl(parent);
}
@Override
protected boolean doCheckState() {
String fileName = getTextControl().getText();
fileName = fileName.trim();
if (RuntimeInfo.hasCompiler(fileName)) {
showMessage("No Erlang compiler was found."
+ " This runtime can't be used for a compiler backend.");
}
return RuntimeInfo.isValidOtpHome(fileName);
}
}