/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package info.moow.hpgl2gcode;

import java.awt.Color;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import javax.swing.BorderFactory;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.UIManager;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.text.DefaultCaret;

/**
 *
 * @author Dominik
 */
public class GUI extends javax.swing.JFrame {

    private final int zup;
    private final double unit;
    private int feed;
    
    private JFileChooser fc;
    
    /**
     * Creates new form GUI
     */
    public GUI() {
        initComponents();
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
        setTitle("HPGL to GCode converter v1.1");
        
        zup = 5;
        unit = 40.2;
        feed = 30000;
        fc = new JFileChooser();
        
        jSpinner1.setValue(feed);
        jSpinner1.addChangeListener(new ChangeListener() {
            @Override
            public void stateChanged(ChangeEvent e) {
                feed = (int)jSpinner1.getValue();
            }
        });
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jSpinner1 = new javax.swing.JSpinner();
        jLabel2 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jScrollPane2 = new javax.swing.JScrollPane();
        jTextArea2 = new javax.swing.JTextArea();
        jButton1 = new javax.swing.JButton();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jProgressBar1 = new javax.swing.JProgressBar();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("Feed Rate");

        jLabel2.setText("HPGL input");

        jTextArea1.setColumns(20);
        jTextArea1.setRows(5);
        jScrollPane1.setViewportView(jTextArea1);

        jTextArea2.setColumns(20);
        jTextArea2.setRows(5);
        jScrollPane2.setViewportView(jTextArea2);

        jButton1.setText("Convert >");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jLabel3.setText("GCode output");

        jLabel4.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
        jLabel4.setText("HPGL to GCode converter v1.1");

        jButton2.setText("Flush all");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setText("Open HPGL");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton4.setText("Save GCode");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jProgressBar1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 400, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jButton3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jButton4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 400, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jLabel3)))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel1)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jSpinner1, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addComponent(jLabel2)
                            .addComponent(jLabel4))
                        .addGap(0, 0, Short.MAX_VALUE)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel4)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jSpinner1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(9, 9, 9)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabel2)
                    .addComponent(jLabel3))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 155, Short.MAX_VALUE)
                        .addComponent(jButton3)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton2)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton4)
                        .addGap(172, 172, 172))
                    .addGroup(layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 424, Short.MAX_VALUE)
                            .addComponent(jScrollPane1))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                .addComponent(jProgressBar1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        //convert button
        jTextArea1.setBorder(BorderFactory.createLineBorder(Color.gray));
        clearGCODE();
        
        if (jTextArea1.getText().length() < 1) {
            jTextArea1.setBorder(BorderFactory.createLineBorder(Color.red));
        }
        else {
            appendGCODE("G21");
            appendGCODE("G1 Z"+zup+" F"+feed);
            
            String lines[] = jTextArea1.getText().split("\\r?\\n");
            enableProgress(lines.length/1000, 0);
            
            new Thread() {
                public void run() {
                    for (int i=0; i < lines.length; i++) {
                        updateProgress(i/1000);
                        if (!(lines[i].contains("PA") && lines[i].contains("PU"))) {
                            if (lines[i].contains("PA")) {
                                int x = Integer.parseInt(lines[i].replace("PA ", "").replace(";", "").split(",")[0]);
                                int y = Integer.parseInt(lines[i].replace("PA ", "").replace(";", "").split(",")[1]);
                                appendGCODE("G1 X"+x/unit+" Y"+y/unit+" F"+feed);
                            }
                            else if (lines[i].contains("PU")) {
                                appendGCODE("M5 F"+feed);
                            }
                            else if (lines[i].contains("PD")) {
                                appendGCODE("M3 S1000 F"+feed);
                            }
                        }
                        else {
                            appendGCODE("M5 F"+feed);
                            appendGCODE("G1 X"+0+" Y"+0+" F"+feed);
                        }
                    }
                    disableProgress();
                    
                }
            }.start();
            
        }
        
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        jTextArea1.setText("");
        jTextArea2.setText("");
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
        int returnVal = fc.showOpenDialog(GUI.this);
        if (returnVal == JFileChooser.APPROVE_OPTION) {
            File f = new File(fc.getSelectedFile().getAbsolutePath());
            if (!f.isDirectory()) {
                //System.out.println("File");
                try {
                    new Thread() {
                        public void run() {
                            FileInputStream fs;
                            try {
                                fs = new FileInputStream(fc.getSelectedFile().getAbsolutePath());
                                BufferedReader br = new BufferedReader(new InputStreamReader(fs));
                                String strLine;
                                enableProgress((int)f.length()/8,0);
                                clearHPGL();
                                int i = 0;
                                while((strLine = br.readLine()) != null) {
                                    i = i + (strLine.length()/5);
                                    updateProgress(i);
                                    //System.out.println((int)((double)i/((int)f.length()/8)*100)+": "+strLine);
                                    appendHPGL(strLine);
                                }
                            } catch (Exception e) {
                                e.printStackTrace();
                            }
                        }
                    }.start();
                }
                catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }//GEN-LAST:event_jButton3ActionPerformed

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
        int returnVal = fc.showSaveDialog(GUI.this);
        if (returnVal == JFileChooser.APPROVE_OPTION) {
            new Thread() {
                public void run() {
                    try {
                        File f = new File(fc.getSelectedFile().getAbsolutePath());
                        if (!f.isDirectory()) {
                            PrintWriter writer = new PrintWriter(fc.getSelectedFile().getAbsolutePath(), "UTF-8");
                            String lines[] = jTextArea2.getText().split("\\r?\\n");
                            enableProgress(lines.length, 0);
                            for (int i=0; i < lines.length; i++) {
                                writer.println(lines[i]);
                                updateProgress(i);
                            }
                            disableProgress();
                            writer.close();
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }.start();
        }
    }//GEN-LAST:event_jButton4ActionPerformed
    
    public void updateProgress(int p) {
        jProgressBar1.setValue(p);
    }
    public void disableProgress() {
        jProgressBar1.setValue(0);
        jProgressBar1.setEnabled(false);
    }
    public void enableProgress(int max, int min) {
        jProgressBar1.setMaximum(max);
        jProgressBar1.setMinimum(min);
        jProgressBar1.setValue(0);
        jProgressBar1.setEnabled(true);
    }
    public void clearGCODE() {
        jTextArea2.setText("");
        DefaultCaret caret = (DefaultCaret) jTextArea2.getCaret();
        caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
    }
    public void appendGCODE(String l) {
        jTextArea2.append(l+"\r\n");
    }
    public void clearHPGL() {
        jTextArea1.setText("");
        DefaultCaret caret = (DefaultCaret) jTextArea1.getCaret();
        caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
    }
    public void appendHPGL(String l) {
        jTextArea1.append(l+"\r\n");
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            e.printStackTrace();
        }

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new GUI().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JButton jButton4;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JProgressBar jProgressBar1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JSpinner jSpinner1;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JTextArea jTextArea2;
    // End of variables declaration//GEN-END:variables
}