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FileSelectionDialog.java
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FileSelectionDialog.java
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/*******************************************************************************
* Copyright (c) 2018, 2020 Obeo.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* Contributors:
* Obeo - initial API and implementation
*
*******************************************************************************/
package org.eclipse.acceleo.aql.ide.ui.dialog;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.swt.widgets.Shell;
/**
* File selection dialog.
*
* @author <a href="mailto:yvan.lussaud@obeo.fr">Yvan Lussaud</a>
*/
public class FileSelectionDialog extends AbstractResourceSelectionDialog {
/**
* The file extension to filter.
*/
private String fileExtension;
/**
* Constructor.
*
* @param parentShell
* the parent {@link Shell}
* @param title
* the title
* @param defaultResourceName
* the default resource name
* @param fileExtension
* the file extension to filter
* @param onlyFileSelection
* tells if only files can be selected
*/
public FileSelectionDialog(Shell parentShell, String title, String defaultResourceName,
String fileExtension, boolean onlyFileSelection) {
super(parentShell, title, "Select a file.", defaultResourceName, onlyFileSelection);
this.fileExtension = fileExtension;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.acceleo.aql.ide.ui.dialog.AbstractResourceSelectionDialog#findResource(java.lang.String)
*/
@Override
protected IResource findResource(String defaultResourceName) {
return ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(defaultResourceName));
}
/**
* {@inheritDoc}
*
* @see org.eclipse.acceleo.aql.ide.ui.dialog.AbstractResourceSelectionDialog#isValid(org.eclipse.core.resources.IResource)
*/
@Override
protected boolean isValid(IResource resource) {
if (resource instanceof IFile) {
return resource instanceof IFile && (fileExtension == null || fileExtension.equals(
((IFile)resource).getFileExtension()));
} else {
return !onlyFileSelection;
}
}
}