com.glaf.core.tree.helper.DTreeHelper.java Source code

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Here is the source code for com.glaf.core.tree.helper.DTreeHelper.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.glaf.core.tree.helper;

import java.util.Collections;
import java.util.List;

import org.apache.commons.lang3.StringUtils;

import com.glaf.core.base.TreeModel;
import com.glaf.core.tree.component.TreeComponent;
import com.glaf.core.tree.component.TreeRepository;

public class DTreeHelper {

    public final static String newline = System.getProperty("line.separator");

    public DTreeHelper() {

    }

    /**
     * dtree
     * 
     * @param components
     * @return
     */
    public String buildTreeScript(List<TreeModel> components) {
        return this.buildTreeScript(components, "tree", false);
    }

    /**
     * dtree
     * 
     * @param components
     * @return
     */
    public String buildTreeScript(List<TreeModel> treeModels, String iTree, boolean showLink) {
        Collections.sort(treeModels);
        TreeRepositoryBuilder builder = new TreeRepositoryBuilder();
        TreeRepository repository = builder.build(treeModels);
        StringBuffer buffer = new StringBuffer();
        List<?> topComponents = repository.getTopTrees();
        for (int i = 0, len = topComponents.size(); i < len; i++) {
            TreeComponent component = (TreeComponent) topComponents.get(i);
            buffer.append(newline);
            buffer.append("       ").append(iTree).append(".add('").append(component.getId()).append("', '-1',  '")
                    .append(component.getTitle()).append("'");
            if (showLink) {
                if (StringUtils.isNotEmpty(component.getLocation())) {
                    buffer.append(", \"javascript:gotoLink('").append(component.getId()).append("','")
                            .append(component.getTitle()).append("','").append(component.getLocation())
                            .append("');\"");
                } else {
                    buffer.append(", '").append("'");
                }
                if (StringUtils.isNotEmpty(component.getTarget())) {
                    buffer.append(", '").append(component.getTarget()).append("'");
                }
            } else {
                buffer.append(",'',''");
            }
            buffer.append(");");
            buffer.append(newline);
            buffer.append(buildTreeModel(component, iTree, showLink));
            buffer.append(newline);

        }
        buffer.append(newline);
        return buffer.toString();
    }

    private String buildTreeModel(TreeComponent tree, String iTree, boolean showLink) {
        StringBuffer buffer = new StringBuffer();
        TreeComponent[] components = tree.getTreeComponents();
        for (int i = 0; i < components.length; i++) {
            TreeComponent component = components[i];
            buffer.append("       ").append(iTree).append(".add('").append(component.getId()).append("', '")
                    .append(tree.getId()).append("', '").append(component.getTitle()).append("'");
            if (showLink) {
                if (StringUtils.isNotEmpty(component.getLocation())) {
                    buffer.append(", \"javascript:gotoLink('").append(component.getId()).append("','")
                            .append(component.getTitle()).append("','").append(component.getLocation())
                            .append("');\"");
                } else {
                    buffer.append(", '").append("'");
                }
                if (StringUtils.isNotEmpty(component.getTarget())) {
                    buffer.append(", '").append(component.getTarget()).append("'");
                }
            } else {
                buffer.append(",'',''");
            }
            buffer.append(");");
            buffer.append(newline);
        }

        for (int i = 0; i < components.length; i++) {
            TreeComponent component = components[i];
            if (component.getComponents() != null && component.getComponents().size() > 0) {
                buffer.append(buildTreeModel(component, iTree, showLink));
            }
        }

        return buffer.toString();
    }

}