/*
 *                 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 1997-2002 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.xml.tree.nodes;

import java.beans.*;
import java.awt.Component;
import java.util.Iterator;

import org.openide.nodes.*;

import org.netbeans.tax.*;
import org.netbeans.modules.xml.tree.children.ObjectListChildren;
import org.netbeans.modules.xml.tree.lib.BeanUtil;
import org.netbeans.modules.xml.tree.lib.GuiUtil;

/**
 *
 * @author  Libor Kramolis
 * @version 0.1
 */
public class ElementAttributesNode extends AbstractParentNode {
    /** */
    private static final String NODE_TYPE = "#attributes"; // NOI18N


    //
    // init
    //

    /** */
    public ElementAttributesNode (TreeNamedObjectMap attributesMap) throws IntrospectionException {
        super (attributesMap, new ObjectListChildren (attributesMap, (Class[])null), "elementAttributesNode"); // NOI18N

        setSheet (new Sheet());
    }


    //
    // itself
    //

    /**
     */
    protected final TreeNamedObjectMap getElementAttributes () {
        return (TreeNamedObjectMap) getTreeObject();
    }

    /**
     */
    protected boolean canAddTreeObject (TreeObject newObject) {
        if ( newObject instanceof TreeAttribute ) {
            return true;
        } else if ( newObject instanceof TreeNamedObjectMap ) {
            return true;
        } else {
            return false;
        }
    }

    /**
     */
    protected boolean addTreeObject (TreeObject newObject) {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("\n%- ElementAttributesNode::addTreeObject: newObject = " + newObject); // NOI18N

        if ( newObject instanceof TreeAttribute ) {
            return addAttribute ((TreeAttribute)newObject);
        } else if ( newObject instanceof TreeNamedObjectMap ) {
            return addAttributeList ((TreeNamedObjectMap)newObject);
        } else {
            return false;
        }
    }

    /**
     */
    protected boolean addAttributeList (TreeNamedObjectMap attributeList) {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("\n%+ ElementAttributesNode::addAttributeList: attributeList = " + attributeList); // NOI18N

        boolean allAdded = true;

        Iterator it = attributeList.iterator();
        while (it.hasNext()) {
            Object next = it.next();
            if ( next instanceof TreeAttribute ) {
                allAdded &= addAttribute ((TreeAttribute)next);
            } else {
                allAdded = false;
            }
        }

        return allAdded;
    }

    /**
     */
    protected boolean addAttribute (TreeAttribute attribute) {
        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug ("\n%# ElementAttributesNode::addAttribute: attribute = " + attribute); // NOI18N

	try {
	    boolean toSet = true;
	    TreeAttribute oldAttribute = (TreeAttribute)getElementAttributes().get (attribute.getTreeName());
	    if ( oldAttribute != null ) {
		toSet = GuiUtil.confirmAction (Util.THIS.getString ("MSG_replace_attribute", attribute.getQName()));
	    }
	    if ( toSet ) {
		getElementAttributes().add (attribute);
                return true;
	    }
	} catch (TreeUnsupportedOperationException exc) {
	    GuiUtil.notifyTreeException (exc.getException());
	}
        return false;
    }


    //
    // Order
    //

    /**
     */
    protected boolean canChangeOrder () {
        return true;
    }


    //
    // name support
    //

    /**
     */
    protected final String createName () {
        return Util.THIS.getString ("PROP_ElementAttributesNode_name");
    }

    /** Name of property used as node name. Used to listen on it.
     */
    protected final String getPresentableNamePropertyName () {
        return null;
    }

    /**
     */
    protected final void setPresentableNameProperty (String name) {
        // MISSION IMPOSSIBLE [ getPresentableNamePropertyName() return null ] !!! -> do nothing
    }


    //
    // node operation
    //

    /**
     */
    public final boolean canRename () {
        return false;
    }    

    //
    // Customizer
    //

    /**
     */
    public boolean hasCustomizer () {
        return BeanUtil.hasCustomizer (TreeElement.class, "attributes"); // "attributes" -- name of TreeElement property // NOI18N
    }

    /**
     */
    public Component getCustomizer () {
	return BeanUtil.getCustomizer (TreeElement.class, getElementAttributes(), "attributes"); // "attributes" -- name of TreeElement property // NOI18N
    }

}