de.micromata.genome.gwiki.plugin.s5slideshow_1_0.GWikiSlideIncrementPatcherFragmentVisitor.java Source code

Introduction

Here is the source code for de.micromata.genome.gwiki.plugin.s5slideshow_1_0.GWikiSlideIncrementPatcherFragmentVisitor.java

Source

//
// Copyright (C) 2010-2016 Roger Rene Kommer & Micromata GmbH
//
// 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 de.micromata.genome.gwiki.plugin.s5slideshow_1_0;

import org.apache.commons.collections4.ArrayStack;

import de.micromata.genome.gwiki.page.impl.wiki.GWikiMacroFragment;
import de.micromata.genome.gwiki.page.impl.wiki.fragment.GWikiFragment;
import de.micromata.genome.gwiki.page.impl.wiki.fragment.GWikiFragmentList;
import de.micromata.genome.gwiki.page.impl.wiki.fragment.GWikiFragmentP;
import de.micromata.genome.gwiki.page.impl.wiki.fragment.GWikiSimpleFragmentVisitor;

/**
 * @author Roger Rene Kommer (r.kommer@micromata.de)
 * 
 */
public class GWikiSlideIncrementPatcherFragmentVisitor extends GWikiSimpleFragmentVisitor {

    public ArrayStack<Boolean> disableStack = new ArrayStack<Boolean>();

    protected boolean isDisabled() {
        if (disableStack.isEmpty() == true) {
            return false;
        }
        return disableStack.peek() == Boolean.TRUE;
    }

    /*
     * (non-Javadoc)
     * 
     * @seede.micromata.genome.gwiki.page.impl.wiki.fragment.GWikiFragmentVisitor#begin(de.micromata.genome.gwiki.page.impl.wiki.fragment.
     * GWikiFragment)
     */
    public void begin(GWikiFragment fragment) {
        if (fragment instanceof GWikiMacroFragment) {
            GWikiMacroFragment mf = (GWikiMacroFragment) fragment;
            if (mf.getMacro() instanceof GWikiSlideIncrementalMacro) {
                GWikiSlideIncrementalMacro im = (GWikiSlideIncrementalMacro) mf.getMacro();
                disableStack.push(im.isDisable());
            }
            if (mf.getMacro() instanceof GWikiSlideFooterMacro) {
                disableStack.push(true);
            }
        }
        if (isDisabled() == true) {
            return;
        }
        if (fragment instanceof GWikiFragmentList) {
            GWikiFragmentList fl = (GWikiFragmentList) fragment;
            if (fl.getAddClass() == null) {
                fl.setAddClass("incremental");
            }
        }
        if (fragment instanceof GWikiFragmentP) {
            GWikiFragmentP p = (GWikiFragmentP) fragment;
            if (p.getStyleClass() == null) {
                p.setStyleClass("incremental");
            }
        }
        /* already via p */
        // if (fragment instanceof GWikiFragmentImage) {
        // GWikiFragmentImage p = (GWikiFragmentImage) fragment;
        // if (p.getStyleClass() == null) {
        // p.setStyleClass("incremental");
        // }
        // }
    }

    @Override
    public void end(GWikiFragment fragment) {
        if (fragment instanceof GWikiMacroFragment) {
            GWikiMacroFragment mf = (GWikiMacroFragment) fragment;
            if (mf.getMacro() instanceof GWikiSlideIncrementalMacro
                    || mf.getMacro() instanceof GWikiSlideFooterMacro) {
                disableStack.pop();
            }
        }
        super.end(fragment);
    }

}