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/*******************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.repo;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.team.internal.ccvs.core.CVSTag;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.team.internal.ccvs.ui.actions.CVSAction;
import org.eclipse.team.internal.ccvs.ui.model.CVSTagElement;
import org.eclipse.ui.actions.SelectionListenerAction;
public class RemoveDateTagAction extends SelectionListenerAction {
private IStructuredSelection selection;
public RemoveDateTagAction() {
super(Policy.bind("RemoveDateTagAction.0")); //$NON-NLS-1$
}
public void run() {
CVSTagElement[] elements = getSelectedCVSTagElements();
if (elements.length == 0) return;
for(int i = 0; i < elements.length; i++){
RepositoryManager mgr = CVSUIPlugin.getPlugin().getRepositoryManager();
CVSTag tag = elements[i].getTag();
if(tag.getType() == CVSTag.DATE){
mgr.removeDateTag(elements[i].getRoot(),tag);
}
}
}
protected boolean updateSelection(IStructuredSelection selection) {
this.selection = selection;
boolean b = containsDataTag();
setEnabled(b);
return b;
}
private boolean containsDataTag(){
CVSTagElement[] elements = getSelectedCVSTagElements();
if (elements.length > 0){
for(int i = 0; i < elements.length; i++){
CVSTag tag = elements[i].getTag();
if(tag.getType() == CVSTag.DATE){
return true;
}
}
}
return false;
}
/**
* Returns the selected CVS date tag elements
*/
private CVSTagElement[] getSelectedCVSTagElements() {
ArrayList cvsTagElements = null;
if (selection!=null && !selection.isEmpty()) {
cvsTagElements = new ArrayList();
Iterator elements = selection.iterator();
while (elements.hasNext()) {
Object next = CVSAction.getAdapter(elements.next(), CVSTagElement.class);
if (next instanceof CVSTagElement) {
cvsTagElements.add(next);
}
}
}
if (cvsTagElements != null && !cvsTagElements.isEmpty()) {
CVSTagElement[] result = new CVSTagElement[cvsTagElements.size()];
cvsTagElements.toArray(result);
return result;
}
return new CVSTagElement[0];
}
}
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