com.edgenius.wiki.ext.tabs.TabsMacro.java Source code

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Here is the source code for com.edgenius.wiki.ext.tabs.TabsMacro.java

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/* 
 * =============================================================
 * Copyright (C) 2007-2011 Edgenius (http://www.edgenius.com)
 * =============================================================
 * License Information: http://www.edgenius.com/licensing/edgenius/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 *  
 * ****************************************************************
 */
package com.edgenius.wiki.ext.tabs;

import java.util.ListIterator;

import org.apache.commons.lang.StringUtils;

import com.edgenius.wiki.gwt.client.html.HTMLNode;
import com.edgenius.wiki.gwt.client.server.utils.NameConstants;
import com.edgenius.wiki.render.GroupProcessor;
import com.edgenius.wiki.render.GroupProcessorMacro;
import com.edgenius.wiki.render.Macro;
import com.edgenius.wiki.render.MacroParameter;
import com.edgenius.wiki.render.MalformedMacroException;
import com.edgenius.wiki.render.RenderContext;
import com.edgenius.wiki.render.RenderUtil;
import com.edgenius.wiki.render.macro.BaseMacro;
import com.edgenius.wiki.render.object.ObjectPosition;

/**
 * {tabs:select=tabName}
 * @author Dapeng.Ni
 */
public class TabsMacro extends BaseMacro implements GroupProcessorMacro {
    private static final String HANDLER = TabsHandler.class.getName();
    public static final String NAME0 = "tabs";
    public static final String NAME1 = "deck";

    public String getHTMLIdentifier() {
        return "<div class=\"macroTabs\">";
    }

    public String[] getName() {
        return new String[] { NAME0, NAME1 };
    }

    public String[] hasChildren() {
        return new String[] { TabMacro.NAME };
    }

    public boolean isPaired() {
        return true;
    }

    public void execute(StringBuffer buffer, MacroParameter params) throws MalformedMacroException {
        String tabKey = params.getParam(Macro.GROUP_KEY);
        if (StringUtils.isBlank(tabKey)) {
            buffer.append(RenderUtil.renderError("Unable to render tabs macro. No correct group message.",
                    params.getStartMarkup()));
            buffer.append(params.getContent());
            buffer.append("{tabs}");
            return;
        }

        //default to heading 3
        RenderContext context = params.getRenderContext();
        ObjectPosition obj = new ObjectPosition(params.getStartMarkup());
        //use handler to add <ul> for tab headers
        obj.serverHandler = HANDLER;
        //whatever, treat it as multiple line content
        obj.uuid = context.createUniqueKey(false);
        obj.values = params.getParams();
        context.getObjectList().add(obj);

        String content = params.getContent();
        buffer.append("<div class=\"macroTabs\" id=\"macroTabs-").append(tabKey).append("\">").append(obj.uuid)
                .append(content).append("</div>");

    }

    public GroupProcessor newGroupProcessor(Macro macro, int start, int end) {
        return new TabsGroupProcessor(macro, start, end);
    }

    @Override
    protected void replaceHTML(HTMLNode node, ListIterator<HTMLNode> iter, RenderContext context) {
        HTMLNode pair = node.getPair();
        if (pair == null) {
            log.error("Unexpected: no close tabs tag.");
            return;
        }

        resetMacroMarkup(TIDY_STYLE_BLOCK, node, iter, "{tabs}", "{tabs}");

        //clean all tags/content between <div name="macroTabName">...</div>
        HTMLNode subnode = node.next();
        HTMLNode namePairNode = null;
        while (subnode != null) {
            if (subnode == pair || subnode == namePairNode)
                break;

            if (namePairNode != null) {
                subnode.reset("", true);
            } else if (subnode.getAttributes() != null) {
                String name = subnode.getAttributes().get(NameConstants.NAME);
                if (StringUtils.equalsIgnoreCase("macroTabNames", name)) {
                    subnode.reset("", true);
                    namePairNode = subnode.getPair();
                    if (namePairNode == null) {
                        log.warn("Invalid macro tab name div - no close div");
                        break;
                    }
                    namePairNode.reset("", true);
                }
            }

            subnode = subnode.next();
        }
    }
}