org.sysmodb.xml.XMLStyleGenerator.java Source code

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Here is the source code for org.sysmodb.xml.XMLStyleGenerator.java

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/*******************************************************************************
 * Copyright (c) 2009-2013, University of Manchester
 *  
 * Licensed under the New BSD License. 
 * Please see LICENSE file that is distributed with the source code
 ******************************************************************************/
package org.sysmodb.xml;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;

import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.CellStyle;

/**
 * 
 * @author Finn
 */
public abstract class XMLStyleGenerator {
    private static final Map<BorderStyle, String> BORDERS = createBorderMap();

    private static Map<BorderStyle, String> createBorderMap() {
        Map<BorderStyle, String> result = new HashMap<BorderStyle, String>();
        result.put(BorderStyle.DASHED, "dashed 1pt");
        result.put(BorderStyle.DASH_DOT, "dashed 1pt");
        result.put(BorderStyle.DASH_DOT_DOT, "dashed 1pt");
        result.put(BorderStyle.DOTTED, "dotted 1pt");
        result.put(BorderStyle.DOUBLE, "double 3pt");
        result.put(BorderStyle.HAIR, "solid 1pt");
        result.put(BorderStyle.MEDIUM, "2pt solid");
        result.put(BorderStyle.MEDIUM_DASHED, "2pt dashed");
        result.put(BorderStyle.MEDIUM_DASH_DOT, "2pt dashed");
        result.put(BorderStyle.MEDIUM_DASH_DOT_DOT, "2pt dashed");
        result.put(BorderStyle.NONE, "none");
        result.put(BorderStyle.SLANTED_DASH_DOT, "dashed 2pt");
        result.put(BorderStyle.THICK, "solid 3pt");
        result.put(BorderStyle.THIN, "dashed 1pt");

        return Collections.unmodifiableMap(result);
    }

    public static boolean isStyleEmpty(CellStyle style, XMLStyleHelper helper) {

        if (style.getBorderTopEnum() != BorderStyle.NONE)
            return false;
        if (style.getBorderBottomEnum() != BorderStyle.NONE)
            return false;
        if (style.getBorderLeftEnum() != BorderStyle.NONE)
            return false;
        if (style.getBorderRightEnum() != BorderStyle.NONE)
            return false;

        // Background/fill colour
        if ((helper.getBGColour(style)) != null)
            return false;

        return helper.areFontsEmpty(style);
    }

    public static void writeStyle(XMLStreamWriter xmlWriter, CellStyle style, XMLStyleHelper helper)
            throws XMLStreamException {
        String border = "none";
        xmlWriter.writeStartElement("style");
        xmlWriter.writeAttribute("id", "style" + style.getIndex());
        if ((border = BORDERS.get(style.getBorderTopEnum())) != "none") {
            xmlWriter.writeStartElement("border-top");
            xmlWriter.writeCharacters(border);
            xmlWriter.writeEndElement();
        }

        if ((border = BORDERS.get(style.getBorderBottomEnum())) != "none") {
            xmlWriter.writeStartElement("border-bottom");
            xmlWriter.writeCharacters(border);
            xmlWriter.writeEndElement();
        }

        if ((border = BORDERS.get(style.getBorderLeftEnum())) != "none") {
            xmlWriter.writeStartElement("border-left");
            xmlWriter.writeCharacters(border);
            xmlWriter.writeEndElement();
        }

        if ((border = BORDERS.get(style.getBorderRightEnum())) != "none") {
            xmlWriter.writeStartElement("border-right");
            xmlWriter.writeCharacters(border);
            xmlWriter.writeEndElement();
        }

        // Background/fill colour
        String backgroundColour;
        if ((backgroundColour = helper.getBGColour(style)) != null) {
            xmlWriter.writeStartElement("background-color");
            xmlWriter.writeCharacters(backgroundColour);
            xmlWriter.writeEndElement();
        }

        helper.writeFontProperties(xmlWriter, style);

        xmlWriter.writeEndElement();

    }

}