com.viaoa.jfc.report.OAHTMLCertificate Maven / Gradle / Ivy

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/*  Copyright 1999-2015 Vince Via [email protected]
    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 com.viaoa.jfc.report;


import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.print.PageFormat;
import java.awt.print.Paper;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.net.URL;
import java.util.Map;

import javax.swing.ImageIcon;

import com.viaoa.jfc.editor.html.OAHTMLTextPane;
import com.viaoa.jfc.image.OAImageUtil;
import com.viaoa.jfc.print.OAPrintUtil;
import com.viaoa.jfc.print.OAPrintable;
import com.viaoa.util.OAString;

/*
   This uses HTML that has a (hi-res) background image to create a certificate 
   the size of the background image.
   
   This is based on the fact that OAHTMLTextPane was used to create a  with a background image:
      
    
 */
public class OAHTMLCertificate implements OAPrintable {

    private PageFormat pf;
    private int width, height;
    private Image image;
    private String html;
    private OAHTMLTextPane textPane;
    
    public void setHtml(String html) {
        this.html = html;
        prepareForPdf();
    }
    
    public Image getImage() {
        return image;
    }
    public PageFormat getPageFormat() {
        return pf;
    }

    /** create pdf, using the background image as a hi-res PDF background image */
    protected void prepareForPdf() {
        width = 0;
        height = 0;
        
        // background-image:url(oaproperty://com.tmgsc.hifive.model.oa.ImageStore/Bytes?23342&h=840&w=1140); width:1140">
        
        String find = "background-repeat:no-repeat; background-image:url(";
        int pos = html.toLowerCase().indexOf(find.toLowerCase());

        
        image = null;
        if (pos >= 0) {
            // get the width and height of the div style
            int posDivBegin = html.lastIndexOf("= 0) {
                int posDivEnd = html.indexOf(">", posDivBegin);
                if (posDivEnd > 0) {
                    String s = OAString.substring(html, posDivBegin, posDivEnd+1).toLowerCase();
                    Map map = OAString.getHTMLAttributeMap(s);
                    String style = map.get("style");
                    if (style != null) {
                        map = OAString.getCSSMap(style);
                        s = map.get("width");
                        if (s != null && OAString.isNumber(s)) width = Integer.valueOf(s);
                        s = map.get("height");
                        if (s != null && OAString.isNumber(s)) height = Integer.valueOf(s);
                    }
                }
            }

            // get image
            int posBegin = pos;
            pos = html.indexOf('(', pos);
            int posEnd = html.indexOf(")", pos);
            int pos2 = html.indexOf("&", pos);
            if (pos2 < 0 || pos2 > posEnd) pos2 = posEnd;

            if (pos2 > 0) {
                String strUrl = html.substring(pos+1, pos2);
                try {
                    URL url = new URL(strUrl);
                    ImageIcon ii = new ImageIcon(url);
                    image = ii.getImage();
                    OAImageUtil.loadImage(image);
                }
                catch (Exception e) {
                }
            }
        }
        
        if (image != null) {
            if (width < 1) width = image.getWidth(null);
            if (height < 1) height = image.getHeight(null);
        }
        if (width < 1) width = 800;
        if (height < 1) height = 800;

        // need to convert from pixels to point sizes for printing/paper
        width = (int) OAPrintUtil.convertPixelsToPoints(width);
        height = (int) OAPrintUtil.convertPixelsToPoints(height);
        
        // paper/page setup
        pf = new PageFormat();
        Paper paper = pf.getPaper();
        
        
        // html
        textPane = new OAHTMLTextPane();
        textPane.setSize(width, Integer.MAX_VALUE);
        textPane.setText(html);
        
        paper.setImageableArea(0, 0, width, height);
        paper.setSize(width, height);
        pf.setPaper(paper);

    }

    
    @Override
    public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {
        return textPane.print(graphics, pageFormat, pageIndex);
    }
    @Override
    public int preview(Graphics graphics, PageFormat pageFormat, int pageIndex) {
        return textPane.preview(graphics, pageFormat, pageIndex);
    }

    @Override
    public Dimension getPrintSize(int pageIndex, PageFormat pageFormat, int width) {
        return textPane.getPrintSize(pageIndex, pageFormat, width);
    }

    @Override
    public void beforePrint(PageFormat pageFormat) {
        textPane.beforePrint(pageFormat);
    }

    @Override
    public void afterPrint() {
        textPane.afterPrint();
    }

    @Override
    public void beforePreview(PageFormat pageFormat) {
        textPane.beforePreview(pageFormat);
    }

    @Override
    public void afterPreview() {
        textPane.afterPreview();
    }
    

    public static void main(String[] args) throws Exception {
        OAHTMLCertificate hpc = new OAHTMLCertificate();

        String x = "";
        hpc.setHtml(""+x+"


abcdefGHIJKlmnotest 1234
");
        
        PrinterJob pj = PrinterJob.getPrinterJob();
        pj.setJobName("test");
        pj.setPrintable(hpc, hpc.getPageFormat());
        pj.printDialog();
        pj.print();
        
        System.out.println("done");
    }
    
}