package net.sourceforge.c4jplugin.internal.ui.viewers;
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.debug.ui.ILaunchGroup;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.ui.activities.WorkbenchActivityHelper;
public class LaunchGroupFilter extends ViewerFilter {
private ILaunchGroup fGroup;
/**
* Constructor for ExternalToolsLaunchConfigurationFilter.
*/
public LaunchGroupFilter(ILaunchGroup groupExtension) {
super();
fGroup = groupExtension;
}
/**
* @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public boolean select(
Viewer viewer,
Object parentElement,
Object element) {
ILaunchConfigurationType type = null;
ILaunchConfiguration config = null;
if (parentElement instanceof LaunchConfigurationTypeTreeElement) {
type = ((LaunchConfigurationTypeTreeElement)parentElement).getLaunchConfigurationType();
}
if (element instanceof LaunchConfigurationTypeTreeElement) {
type = ((LaunchConfigurationTypeTreeElement)element).getLaunchConfigurationType();
}
if (element instanceof LaunchConfigurationTreeElement) {
config = ((LaunchConfigurationTreeElement)element).getLaunchConfiguration();
try {
type = config.getType();
} catch (CoreException e) {
}
}
boolean priv = false;
if (config != null) {
try {
priv = config.getAttribute(IDebugUIConstants.ATTR_PRIVATE, false);
} catch (CoreException e) {
}
}
if (type != null) {
return !priv && type.supportsMode(fGroup.getMode()) && equalCategories(type.getCategory(), fGroup.getCategory()) && !WorkbenchActivityHelper.filterItem(new LaunchConfigurationTypeContribution(type));
}
return false;
}
/**
* 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);
}
}