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/*******************************************************************************
* Copyright (c) 2012, 2015 THALES GLOBAL SERVICES and others.
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.ui.tools.internal.dialogs;
import java.io.File;
import org.eclipse.core.databinding.validation.IValidator;
import org.eclipse.core.databinding.validation.ValidationStatus;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.fieldassist.ControlDecoration;
import org.eclipse.sirius.common.tools.api.resource.FileProvider;
import org.eclipse.sirius.diagram.ui.provider.Messages;
/**
* A {@link IValidator} to validate the workspace path entered in the text
* field.
*
* @author <a href="mailto:esteban.dugueperoux@obeo.fr">Esteban Dugueperoux</a>
*/
public class WorkspacePathValidator implements IValidator {
private ControlDecoration controlDecoration;
/**
* Default constructor.
*
* @param controlDecoration
* the {@link ControlDecoration}
*/
public WorkspacePathValidator(ControlDecoration controlDecoration) {
this.controlDecoration = controlDecoration;
}
/**
* {@inheritDoc}
*/
@Override
public IStatus validate(Object value) {
IStatus status = Status.OK_STATUS;
if (value instanceof String && controlDecoration.getControl().isEnabled()) {
String text = (String) value;
if (text.trim().length() > 0) {
IPath path = new Path(text);
File file = FileProvider.getDefault().getFile(path);
if (file == null || !file.exists()) {
controlDecoration.show();
controlDecoration.setDescriptionText(Messages.WorkspacePathValidator_invalidPathDecorationDescriptionText);
status = ValidationStatus.error(Messages.WorkspacePathValidator_invalidPahtStatusMessage);
}
}
}
if (status.isOK()) {
controlDecoration.hide();
}
return status;
}
}
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