package slipapp;

import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.awt.print.PageFormat;
import java.awt.print.Paper;
import java.awt.print.PrinterJob;
import java.net.MalformedURLException;
import java.net.URL;
import javax.print.PrintService;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

/**
 *
 * @author Doys
 */
public class PrintingApplet implements ActionListener {

    private AppletPrinting applet;
    private Container comp;
    private RunMode runMode = RunMode.TEST;
    private Printing prt;
    private BufferedImage[] buff;
    private int currentPage = 0;
    private PanelToolBar pToolbar;
    private PanelWriter pWriter;
    //---------------------------------------
    private int frameWidth, frameHeight;
    private String urlXmlData, urlXmlMaster, urlXmlDetail;

    public PrintingApplet(String urlXmlMaster, String urlXmlDetail) {
        this.frameWidth = 900;
        this.frameHeight = 700;
        this.urlXmlMaster = urlXmlMaster;
        this.urlXmlDetail = urlXmlDetail;
        this.urlXmlData = "";

        JFrame jframe = new JFrame();
        jframe.setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        this.comp = jframe;
        try {
            init();//เรียก init() ************************
        } catch (Exception ex) {
        }

        jframe.setSize(this.frameWidth, this.frameHeight);
        jframe.setLocationRelativeTo(null);

        jframe.setTitle("Java Applet Printing (" + comp.getClass().getSimpleName() + ")");
        jframe.setVisible(true);
    }

    public PrintingApplet(AppletPrinting applet, String urlXmlData, String urlXmlMaster, String urlXmlDetail) {
        this.comp = applet.getContentPane();
        this.applet = applet;
        this.runMode = RunMode.RUNTIME;
        this.urlXmlMaster = urlXmlMaster;
        this.urlXmlDetail = urlXmlDetail;
        this.urlXmlData = urlXmlData;

        try {
            init();
        } catch (Exception ex) {
            //applet.setError(ex.toString());
            //applet.alert(ex.toString());
        }
        applet.setVisible(true);
    }

    private void init() throws Exception {
        try {
            PrintingInterfaceTable pt = new PrintingInterfaceTable(this.urlXmlData, this.urlXmlMaster, this.urlXmlDetail);
            prt = pt.init(runMode);
            buff = prt.buffImage;
            if (pt.frameSize.getWidth() > 0 && pt.frameSize.getHeight() > 0) {
                this.frameWidth = pt.frameSize.width;
                this.frameHeight = pt.frameSize.height;
            }
            if (runMode == RunMode.RUNTIME && prt.autoPrint) {
                printToPrinter(true);
            }
        } catch (Exception e) {
        }

        //ถ้าเป็น Applet และ auto close & print ให้ปิด Dialog ไปเลย ไม่ต้องวาดแล้ว
        if (runMode == RunMode.RUNTIME && prt.autoCloseDlg && prt.autoPrint) {
            try {
                //Applet applet = (Applet) comp;
                applet.getAppletContext().showDocument(new URL("javascript:window.close()"));
                System.exit(0);
            } catch (MalformedURLException me) {
            }
        }

        //JOptionPane.showMessageDialog(comp, "test 1");

        JPanel msp = new JPanel();
        msp.setBackground(Color.GRAY);
        msp.setLayout(new FlowLayout(FlowLayout.CENTER));
        msp.setPreferredSize(new Dimension(800, 850));
        comp.add(msp);

        pToolbar = new PanelToolBar(this, prt, currentPage);
        pToolbar.setPreferredSize(new Dimension(800, 60));
        pToolbar.setBackground(Color.WHITE);
        pToolbar.setLayout(new FlowLayout(FlowLayout.LEFT));
        msp.add(pToolbar);

        pWriter = new PanelWriter(buff, 800, 850);
        msp.add(pWriter);

        JScrollPane s = new JScrollPane(msp);
        s.getVerticalScrollBar().setUnitIncrement(16);
        comp.add(s);
    }

    public int getCurrentPage() {
        return this.currentPage;
    }

    public void setCurrentPage(int currentPage) {
        this.currentPage = currentPage;
        this.pToolbar.setCurrentPage(currentPage);
        this.pWriter.setCurrentPage(currentPage);
    }

    public void printToPrinter(boolean printAll) throws Exception {
        //หาชื่อเครื่อง Printer
        String[] printerNames = prt.printerName.split(",");
        PrinterJob pj = PrinterJob.getPrinterJob();
        PrintService printService = null;
        for (int i = 0; i < printerNames.length; i++) {
            printService = this.getService(printerNames[i]);
            if (printService != null) {
                break;
            }
        }
        //นำชื่อเครื่อง Printer มา set
        pj.setPrintService(printService);

        //หาค่า Default paper size
        PageFormat pf = pj.defaultPage();
        Paper paper = pf.getPaper();
        //พิมพ์ค่า paper size ที่เป็น pixel ออก Command line
        System.out.println("size " + paper.getWidth() + ":" + paper.getHeight());

        //เปลี่ยนค่า paper size
        double width = prt.paperWidth * 28.34645669291339;// 595.3322834645669;
        double height = prt.paperHeight * 28.34645669291339;// 841.9181102362205;
        paper.setSize(width, height);
        paper.setImageableArea(0, 0, width, height);
        pf.setPaper(paper);
        pf.setOrientation(prt.orientation);

        //ประกาศ interface Printable
        AppletPrintable pt = new AppletPrintable(prt, printAll, currentPage);
        pj.setPrintable(pt, pf);
        pj.print();
    }

    public PrintService getService(String printerName) {
        printerName = printerName.toLowerCase();
        PrintService ps = null;
        PrintService[] printServices = PrinterJob.lookupPrintServices();
        for (PrintService printService : printServices) {
            String name = printService.getName();
            if (name.toLowerCase().indexOf(printerName) >= 0) {
                ps = printService;
                break;
            }
        }
        return ps;
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        try {
            JButton bt = (JButton) e.getSource();
            String bt_name = bt.getName();
            if (bt_name.equals("print_page")) {
                int result = JOptionPane.showConfirmDialog(comp, "ยืนยันการ" + bt.getText(), "ยืนยันการพิมพ์", JOptionPane.OK_CANCEL_OPTION);
                if (result == JOptionPane.OK_OPTION) {
                    printToPrinter(false);
                }
            } else if (bt_name.equals("print_all")) {
                int result = JOptionPane.showConfirmDialog(comp, "ยืนยันการ" + bt.getText(), "ยืนยันการพิมพ์", JOptionPane.OK_CANCEL_OPTION);
                if (result == JOptionPane.OK_OPTION) {
                    printToPrinter(true);
                }
            } else if (bt_name.equals("close_window")) {
                if (runMode == RunMode.RUNTIME) {
                    applet.getAppletContext().showDocument(new URL("javascript:window.close()"));
                    System.exit(0);
                } else {
                    ((JFrame) comp).dispose();
                }
            } else if (bt_name.indexOf("page_") == 0) {
                String[] pp = bt_name.split("_");
                int newPage = Integer.parseInt(pp[1]);
                this.setCurrentPage(newPage);
            }
        } catch (Exception ex) {
        }
    }
}