/**
* Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
/*
* Created on 16/06/2005
*/
package org.python.pydev.editor.actions.codefolding;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.projection.ProjectionAnnotationModel;
import org.python.pydev.editor.actions.PyAction;
import org.python.pydev.editor.codefolding.PyProjectionAnnotation;
/**
* @author Fabio
*/
public abstract class PyFoldingAction extends PyAction {
/**
* @param model
* @return
*/
protected Iterator getAnnotationsIterator(final ProjectionAnnotationModel model, boolean useExpanded) {
//put annotations in array list.
Iterator iter = model.getAnnotationIterator();
if (iter != null) {
//get the not collapsed (expanded) and sort them
ArrayList expanded = new ArrayList();
while (iter.hasNext()) {
PyProjectionAnnotation element = (PyProjectionAnnotation) iter.next();
if (element.isCollapsed() == useExpanded) {
expanded.add(element);
}
}
Collections.sort(expanded, new Comparator() {
public int compare(Object o1, Object o2) {
PyProjectionAnnotation e1 = (PyProjectionAnnotation) o1;
PyProjectionAnnotation e2 = (PyProjectionAnnotation) o2;
int e1Off = model.getPosition(e1).getOffset();
int e2Off = model.getPosition(e2).getOffset();
if (e1Off < e2Off) {
return -1;
}
if (e1Off > e2Off) {
return 1;
}
return 0;
}
});
iter = expanded.iterator();
}
return iter;
}
/**
* @return
*/
protected ProjectionAnnotationModel getModel() {
final ProjectionAnnotationModel model = (ProjectionAnnotationModel) getTextEditor().getAdapter(
ProjectionAnnotationModel.class);
return model;
}
/**
* @param element
* @param elements
* @param model
* @return
*/
protected boolean isInsideLast(PyProjectionAnnotation element, List elements, ProjectionAnnotationModel model) {
if (elements.size() == 0) {
return false;
}
PyProjectionAnnotation top = (PyProjectionAnnotation) elements.get(elements.size() - 1);
Position p1 = model.getPosition(element);
Position pTop = model.getPosition(top);
int p1Offset = p1.getOffset();
int pTopoffset = pTop.getOffset();
int pTopLen = pTopoffset + pTop.getLength();
if (p1Offset > pTopoffset && p1Offset < pTopLen) {
return true;
}
return false;
}
/**
* @param position
* @param elements
* @return
*/
protected boolean isInside(Position position, List elements) {
for (Iterator iter = elements.iterator(); iter.hasNext();) {
Position element = (Position) iter.next();
if (position.getOffset() > element.getOffset()
&& position.getOffset() < element.getOffset() + element.getLength()) {
return true;
}
}
return false;
}
}