/*
* Copyright 2006,2007 Enrico Boldrini, Lorenzo Bigagli This file is part of
* CheckboxTree. CheckboxTree is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. CheckboxTree is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details. You should have received a copy of the GNU
* General Public License along with CheckboxTree; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
package net.sourceforge.pmd.jedit.checkboxtree;
import javax.swing.tree.TreePath;
/**
* PropagateTreeCheckingMode define a TreeCheckingMode with down recursion of
* the check when nodes are clicked. It toggles the just-clicked checkbox and
* propagates the change down. In other words, if the clicked checkbox is
* checked all the descendants will be checked; otherwise all the descendants
* will be unchecked.
*
* @author Boldrini
*/
public class PropagateTreeCheckingMode extends TreeCheckingMode {
PropagateTreeCheckingMode(DefaultTreeCheckingModel model) {
super(model);
}
@Override
public void checkPath(TreePath path) {
this.model.checkSubTree(path);
this.model.updatePathGreyness(path);
this.model.updateAncestorsGreyness(path);
}
@Override
public void uncheckPath(TreePath path) {
this.model.uncheckSubTree(path);
this.model.updatePathGreyness(path);
this.model.updateAncestorsGreyness(path);
}
/*
* (non-Javadoc)
*
* @see net.sourceforge.pmd.jedit.checkboxtree.TreeCheckingMode#updateCheckAfterChildrenInserted(javax.swing.tree.TreePath)
*/
@Override
public void updateCheckAfterChildrenInserted(TreePath parent) {
if (this.model.isPathChecked(parent)) {
this.model.checkSubTree(parent);
} else {
this.model.uncheckSubTree(parent);
}
}
/*
* (non-Javadoc)
*
* @see net.sourceforge.pmd.jedit.checkboxtree.TreeCheckingMode#updateCheckAfterChildrenRemoved(javax.swing.tree.TreePath)
*/
@Override
public void updateCheckAfterChildrenRemoved(TreePath parent) {
this.model.updatePathGreyness(parent);
this.model.updateAncestorsGreyness(parent);
}
/*
* (non-Javadoc)
*
* @see net.sourceforge.pmd.jedit.checkboxtree.TreeCheckingMode#updateCheckAfterStructureChanged(javax.swing.tree.TreePath)
*/
@Override
public void updateCheckAfterStructureChanged(TreePath parent) {
if (this.model.isPathChecked(parent)) {
this.model.checkSubTree(parent);
} else {
this.model.uncheckSubTree(parent);
}
}
}