TreeState.java

/*
 * Copyright 2004-2006 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.idega.content.tree;

import java.io.Serializable;

public interface TreeState extends Serializable
{

    /**
     * Indicates whether or not the specified {@link TreeNode} is expanded.
     *
     * @param nodeId The id of the node in question.
     * @return If the node is expanded.
     */
    public boolean isNodeExpanded(String nodeId);

    /**
     * Toggle the expanded state of the specified {@link TreeNode}.
     * @param nodeId The id of the node whose expanded state should be toggled.
     */
    public void toggleExpanded(String nodeId);

    /**
     * Expand the complete path specified.  If any node in the path is already expanded,
     * that node should be left as it is.
     *
     * @param nodePath The path to be expanded.
     */
    public void expandPath(String[] nodePath);

    /**
     * Collapse the complete path specified.  If any node in the path is already collapsed,
     * that node should be left as it is.
     *
     * @param nodePath The path to be collapsed.
     */
    public void collapsePath(String[] nodePath);

    /**
     * Getter for transient property.
     * @return boolean
     */
    public boolean isTransient();

    /**
     * Setter for transient property
     * @param trans boolean
     */
    public void setTransient(boolean trans);

    /**
     * Sets the id of the currently selected node
     * @param nodeId The id of the currently selected node
     */
    public void setSelected(String nodeId);

    /**
     * Indicates whether or not the specified node is selected.
     * @param nodeId String
     * @return boolean
     */
    public boolean isSelected(String nodeId);
}