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/*******************************************************************************
* Copyright (c) 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.launchConfigurations;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.ui.activities.WorkbenchActivityHelper;
/**
* Filters (hides) launch configurations and launch configuration
* types from a specific launch category.
*/
public class LaunchCategoryFilter extends ViewerFilter {
private String fCategory;
/**
* Constructs a filter that hides configurations from a specific
* category.
*
* @param groupExtension
*/
public LaunchCategoryFilter(String category) {
fCategory = category;
}
/**
* @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
ILaunchConfigurationType type = null;
ILaunchConfiguration config = null;
if (parentElement instanceof ILaunchConfigurationType) {
type = (ILaunchConfigurationType)parentElement;
}
if (element instanceof ILaunchConfigurationType) {
type = (ILaunchConfigurationType)element;
}
if (element instanceof ILaunchConfiguration) {
config = (ILaunchConfiguration)element;
try {
type = config.getType();
}
catch (CoreException e) {}
}
boolean priv = false;
if (config != null) {
try {
priv = config.getAttribute(IDebugUIConstants.ATTR_PRIVATE, false);
} catch (CoreException e) {
}
} else if (type != null) {
priv = !type.isPublic();
}
if (type != null) {
return !priv && !equalCategories(type.getCategory(), fCategory) && !WorkbenchActivityHelper.filterItem(new LaunchConfigurationTypeContribution(type));
}
return true;
}
/**
* Returns whether the given categories are equal.
*
* @param c1 category identifier or <code>null</code>
* @param c2 category identifier or <code>null</code>
* @return boolean
*/
private boolean equalCategories(String c1, String c2) {
if (c1 == null || c2 == null) {
return c1 == c2;
}
return c1.equals(c2);
}
}
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