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/*
 * Copyright 2011-2020 PrimeFaces Extensions
 *
 * 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 org.primefaces.extensions.showcase.controller.blockui;

import java.io.Serializable;

import jakarta.faces.view.ViewScoped;
import jakarta.inject.Named;

import org.primefaces.event.NodeExpandEvent;
import org.primefaces.event.NodeSelectEvent;
import org.primefaces.event.NodeUnselectEvent;
import org.primefaces.model.DefaultTreeNode;
import org.primefaces.model.TreeNode;

/**
 * TreeBean
 *
 * @author Oleg Varaksin / last modified by $Author$
 * @version $Revision$
 */
@Named
@ViewScoped
public class FileSystemController implements Serializable {

    private static final long serialVersionUID = 20111229L;

    private final TreeNode root;
    private TreeNode selectedNode;

    public FileSystemController() {
        root = new DefaultTreeNode("Root", null);

        final TreeNode node0 = new DefaultTreeNode("Folder 0", root);
        final TreeNode node1 = new DefaultTreeNode("Folder 1", root);
        final TreeNode node2 = new DefaultTreeNode("Folder 2", root);
        final TreeNode node00 = new DefaultTreeNode("Folder 0.0", node0);
        final TreeNode node01 = new DefaultTreeNode("Folder 0.1", node0);
        final TreeNode node10 = new DefaultTreeNode("Folder 1.0", node1);
        new DefaultTreeNode("File 1.1", node1);
        new DefaultTreeNode("File 2.0", node2);
        new DefaultTreeNode("File 0.0.0", node00);
        new DefaultTreeNode("File 0.0.1", node00);
        new DefaultTreeNode("File 0.1.0", node01);
        new DefaultTreeNode("File 1.0.0", node10);
    }

    public TreeNode getRoot() {
        return root;
    }

    public TreeNode getSelectedNode() {
        return selectedNode;
    }

    public void setSelectedNode(final TreeNode selectedNode) {
        this.selectedNode = selectedNode;
    }

    public void onNodeExpand(final NodeExpandEvent event) {
        doSomething();
    }

    public void onNodeSelect(final NodeSelectEvent event) {
        selectedNode = event.getTreeNode();
        doSomething();
    }

    public void onNodeUnselect(final NodeUnselectEvent event) {
        selectedNode = null;
        doSomething();
    }

    public void doSomething() {
        try {
            // simulate a long running request
            Thread.sleep(1200);
        }
        catch (final Exception e) {
            // ignore
        }
    }
}