/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.refactoring.ui;

import java.util.*;
import javax.swing.Icon;
import javax.swing.tree.*;
import org.netbeans.modules.refactoring.api.RefactoringElement;
import org.openide.text.PositionBounds;
import javax.jmi.reflect.RefObject;
import org.netbeans.jmi.javamodel.Feature;
import org.netbeans.jmi.javamodel.Import;
import org.netbeans.jmi.javamodel.Resource;
import org.netbeans.modules.refactoring.NbAbstractRefactoring;

/**
 * @author Pavel Flaska
 */
public class CheckNode extends DefaultMutableTreeNode {

    public final static int SINGLE_SELECTION = 0;
    public final static int DIG_IN_SELECTION = 4;
  
    private int selectionMode;
    private boolean isSelected;

    private String nodeLabel;
    private Icon icon;
    
    private boolean disabled = false;
    private boolean needsRefresh = false;
    
    private PositionBounds bounds = null;
    private boolean boundsInited = false;
    
    public CheckNode(Object userObject, String nodeLabel, Icon icon) {
        super(userObject, !(userObject instanceof RefactoringElement));
        this.isSelected = true;
        setSelectionMode(DIG_IN_SELECTION);
        this.nodeLabel = nodeLabel;
        this.icon = icon;
    }
    
    String getLabel() {
        return nodeLabel;
    }
    
    Icon getIcon() {
        return icon;
    }
    
    public void setDisabled() {
        disabled = true;
        isSelected = false;
        removeAllChildren();
    }
    
    boolean isDisabled() {
        return disabled;
    }

    void setNeedsRefresh() {
        needsRefresh = true;
        setDisabled();
    }
    
    boolean needsRefresh() {
        return needsRefresh;
    }
    
    public void setSelectionMode(int mode) {
        selectionMode = mode;
    }

    public int getSelectionMode() {
        return selectionMode;
    }

    public void setSelected(boolean isSelected) {
        this.isSelected = isSelected;
        if (userObject instanceof RefactoringElement)
            ((RefactoringElement) userObject).setEnabled(isSelected);

        if ((selectionMode == DIG_IN_SELECTION) && (children != null)) {
            Enumeration e = children.elements();      
            while (e.hasMoreElements()) {
                CheckNode node = (CheckNode)e.nextElement();
                node.setSelected(isSelected);
            }
        }
    }

    public boolean isSelected() {
        if (userObject instanceof RefactoringElement) {
            return ((RefactoringElement) userObject).isEnabled() &&
                !(((RefactoringElement) userObject).getStatus() == RefactoringElement.GUARDED);
        } else {
            return isSelected;
        }
    }
    
    public PositionBounds getPosition() {
        if (!boundsInited) {
            if (userObject instanceof RefactoringElement) {
                bounds = ((RefactoringElement) userObject).getPosition();
            } else if (userObject instanceof Feature || userObject instanceof Import || userObject instanceof Resource) {
                bounds = null;
                //bounds = NbAbstractRefactoring.getPositionBounds((RefObject) userObject);
            }
            boundsInited = true;
        }
        return bounds;
    }
}