com.vectorprint.report.itext.style.stylers.ListItem.java Source code

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Here is the source code for com.vectorprint.report.itext.style.stylers.ListItem.java

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.vectorprint.report.itext.style.stylers;

/*
 * #%L
 * VectorPrintReport4.0
 * %%
 * Copyright (C) 2012 - 2013 VectorPrint
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * 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 Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

//~--- non-JDK imports --------------------------------------------------------

import com.itextpdf.text.Chunk;
import com.vectorprint.VectorPrintException;
import com.vectorprint.configuration.EnhancedMap;
import com.vectorprint.configuration.parameters.StringParameter;
import com.vectorprint.configuration.parameters.URLParameter;
import com.vectorprint.report.itext.ImageLoader;
import com.vectorprint.report.itext.ImageLoaderAware;
import com.vectorprint.report.itext.style.StylerFactoryHelper;
import java.net.URL;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

//~--- JDK imports ------------------------------------------------------------

/**
 * Settings for listItems, numbered, alpha, bullet,...
 * @author Eduard Drenth at VectorPrint.nl
 */
public class ListItem extends Font implements ImageLoaderAware {
    private ImageLoader imageLoader;

    @Override
    public void setImageLoader(ImageLoader imageLoader) {
        this.imageLoader = imageLoader;
    }

    public ListItem(ImageLoader imageLoader, EnhancedMap settings) throws VectorPrintException {
        StylerFactoryHelper.initStylingObject(this, null, null, imageLoader, null, settings);
        initParams();
    }

    public static final String SYMBOL_PARAM = "symbol";
    public static final String SYMBOLIMAGE_PARAM = "symbolimage";

    private void initParams() {
        addParameter(
                new StringParameter(SYMBOL_PARAM, String.format("text to use as symbol for a list with symbols"))
                        .setDefault("- "),
                ListItem.class);
        addParameter(new URLParameter(SYMBOLIMAGE_PARAM,
                String.format("image to use as symbol for a list with symbols")), ListItem.class);
    }

    public ListItem() {
        initParams();
    }

    @Override
    public <E> E style(E text, Object data) throws VectorPrintException {
        Chunk symbolChunk = new Chunk(getValue(SYMBOL_PARAM, String.class));
        if (getValue(SYMBOLIMAGE_PARAM, URL.class) != null) {
            symbolChunk = new Chunk(imageLoader.loadImage(getValue(SYMBOLIMAGE_PARAM, URL.class), 1), 0, 0);
        }
        if (text instanceof com.itextpdf.text.List) {
            com.itextpdf.text.List l = (com.itextpdf.text.List) text;
            l.setListSymbol(super.style(symbolChunk, data));
        } else {
            com.itextpdf.text.ListItem l = (com.itextpdf.text.ListItem) text;
            l.setListSymbol(super.style(symbolChunk, data));
        }
        return text;
    }

    private static final Class<Object>[] classes = new Class[] { com.itextpdf.text.ListItem.class };
    private static final Set<Class> c = Collections.unmodifiableSet(new HashSet<Class>(Arrays.asList(classes)));

    @Override
    public Set<Class> getSupportedClasses() {
        return c;
    }

    @Override
    public String getHelp() {
        return "Specify the looks of an item in a list." + " " + super.getHelp();
    }
}