Java tutorial
/* * 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 com.thelinh.gui; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Element; import com.itextpdf.text.Font; import com.itextpdf.text.Paragraph; import com.itextpdf.text.Phrase; import com.itextpdf.text.Rectangle; import com.itextpdf.text.pdf.BaseFont; import com.itextpdf.text.pdf.PdfPCell; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfWriter; import com.thelinh.controller.Controller; import com.thelinh.model.Answer; import com.thelinh.model.AnswerSql; import com.thelinh.model.Exam; import com.thelinh.model.ExamSql; import com.thelinh.model.Question; import com.thelinh.model.Subject; import java.awt.Desktop; import java.awt.event.KeyListener; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFileChooser; import javax.swing.JOptionPane; import javax.swing.filechooser.FileNameExtensionFilter; import javax.swing.table.DefaultTableModel; /** * * @author hoangkien */ public class PreviewExam extends javax.swing.JDialog { private ArrayList<Question> questionList; private Font times_13; private Font times_15; private Font timesBold_25; private Font timesBold_15; private int examId = 0; private Subject subject; private ManageExam superParent; /** * Creates new form PreviewExam */ public PreviewExam(java.awt.Frame parent, boolean modal) { super(parent, modal); initComponents(); this.superParent = null; try { timesBold_25 = new Font( BaseFont.createFont("resources/fonts/vuTimesBold.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED), 25); timesBold_15 = new Font( BaseFont.createFont("resources/fonts/vuTimesBold.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED), 15); times_15 = new Font( BaseFont.createFont("resources/fonts/vuTimes.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED), 15); times_13 = new Font( BaseFont.createFont("resources/fonts/vuTimes.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED), 13); } catch (DocumentException | IOException ex) { Logger.getLogger(PreviewExam.class.getName()).log(Level.SEVERE, null, ex); } } public void setExamId(int examId) { this.examId = examId; } public void setSubject(Subject subject) { this.subject = subject; this.lbSubject.setText(subject.getSubjectName()); } public void setQuestionList(ArrayList<Question> questionList) { this.questionList = questionList; DefaultTableModel model = (DefaultTableModel) this.tbQuestion.getModel(); this.lbQuestionCount.setText(String.valueOf(questionList.size())); for (int i = 0; i < questionList.size(); i++) { Question q = questionList.get(i); model.addRow(new Object[] { i + 1, q.getChapter(), q.getQuestion() }); } } public void setExamCode(String code) { this.txtExamCode.setText(code); } public void setTime(int time) { this.spTime.setValue(time); } public void setSuperParent(ManageExam superParent) { this.superParent = superParent; } /** * 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() { jScrollPane1 = new javax.swing.JScrollPane(); tbQuestion = new javax.swing.JTable(); btnClose = new javax.swing.JButton(); btnPrint = new javax.swing.JButton(); jLabel1 = new javax.swing.JLabel(); lbSubject = new javax.swing.JLabel(); jLabel2 = new javax.swing.JLabel(); txtExamCode = new javax.swing.JTextField(); jLabel3 = new javax.swing.JLabel(); lbQuestionCount = new javax.swing.JLabel(); btnSave = new javax.swing.JButton(); jLabel4 = new javax.swing.JLabel(); spTime = new javax.swing.JSpinner(); setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE); setTitle("Xem trc"); tbQuestion.setModel(new javax.swing.table.DefaultTableModel(new Object[][] { }, new String[] { "S th t", "Chng", "Cu h?i" })); jScrollPane1.setViewportView(tbQuestion); btnClose.setText("?ng"); btnClose.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnCloseActionPerformed(evt); } }); btnPrint.setText("In"); btnPrint.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnPrintActionPerformed(evt); } }); jLabel1.setText("Mn:"); lbSubject.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jLabel2.setText("Nhp m ?:"); jLabel3.setText("S cu h?i: "); lbQuestionCount.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N lbQuestionCount.setText("0"); btnSave.setText("Lu"); btnSave.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnSaveActionPerformed(evt); } }); jLabel4.setText("Th?i gian lm bi(pht):"); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 538, Short.MAX_VALUE) .addGroup(layout.createSequentialGroup().addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup().addComponent(jLabel4) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(spTime).addGap(18, 18, 18).addComponent(jLabel2) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(txtExamCode, javax.swing.GroupLayout.PREFERRED_SIZE, 76, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(btnPrint) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(btnSave) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(btnClose)) .addGroup(layout.createSequentialGroup().addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(lbSubject, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(108, 108, 108).addComponent(jLabel3) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(lbQuestionCount, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(0, 0, Short.MAX_VALUE))) .addContainerGap())); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(lbSubject, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel3).addComponent(lbQuestionCount))) .addGap(18, 18, 18) .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 209, Short.MAX_VALUE) .addGap(13, 13, 13) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(btnClose).addComponent(btnPrint) .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 14, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(txtExamCode, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(btnSave).addComponent(jLabel4).addComponent(spTime, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addContainerGap())); pack(); }// </editor-fold>//GEN-END:initComponents private void btnCloseActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnCloseActionPerformed this.dispose(); }//GEN-LAST:event_btnCloseActionPerformed private void btnPrintActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnPrintActionPerformed if (this.txtExamCode.getText().equals("")) { JOptionPane.showMessageDialog(this, "Hy nhp m ?"); } else { JFileChooser fc = new JFileChooser(); FileNameExtensionFilter filter = new FileNameExtensionFilter("PDF files (*.pdf)", "pdf"); fc.setFileFilter(filter); int rt = fc.showSaveDialog(this); if (rt == JFileChooser.APPROVE_OPTION) { String filepath = fc.getSelectedFile().getPath(); if (filepath.indexOf(".") == -1) { filepath = filepath + ".pdf"; } String dafilepath = (new StringBuffer(filepath)).insert(filepath.length() - 4, ".da").toString(); try { Document document = new Document(); PdfWriter.getInstance(document, new FileOutputStream(filepath)); document.open(); // Add title Paragraph p = new Paragraph("Tr?ng ?i h?c Bch Khoa H Ni", timesBold_25); p.setAlignment(Element.ALIGN_CENTER); p.setSpacingAfter(5); document.add(p); p = new Paragraph("?? thi mn " + this.lbSubject.getText(), timesBold_25); p.setAlignment(Element.ALIGN_CENTER); p.setSpacingAfter(25); document.add(p); p = new Paragraph( "Ng?i ra ?: " + Controller.getCurrentAdmin().getAdminName() + ", Ngy ra ?: " + (new SimpleDateFormat("yyyy-MM-dd").format(Calendar.getInstance().getTime())), times_15); p.setAlignment(Element.ALIGN_LEFT); p.setSpacingAfter(5); document.add(p); p = new Paragraph("M ?: " + this.txtExamCode.getText() + " Th?i gian lm bi: " + spTime.getValue().toString() + " pht", timesBold_15); p.setSpacingAfter(25); document.add(p); for (int i = 0; i < this.questionList.size(); i++) { Question question = this.questionList.get(i); ArrayList<Answer> answerList = AnswerSql .getAnswersByQuestionId(question.getQuestionId().trim()); Phrase questionNumber = new Phrase("Cu " + (i + 1) + ": ", timesBold_15); Phrase questionContent = new Phrase(question.getQuestion(), times_15); Paragraph questionTitle = new Paragraph(); questionTitle.add(questionNumber); questionTitle.add(questionContent); document.add(questionTitle); PdfPTable table = new PdfPTable(2); for (int j = 0; j < answerList.size(); j++) { Answer ans = answerList.get(j); Phrase cap = new Phrase(Character.toString((char) (j + 65)) + ". ", timesBold_15); Phrase answerContent = new Phrase(ans.getAnswer(), times_15); Phrase elem = new Phrase(); elem.add(cap); elem.add(answerContent); PdfPCell cell = new PdfPCell(); cell.setBorder(Rectangle.NO_BORDER); cell.setPhrase(elem); cell.setFixedHeight(25); table.addCell(cell); } document.add(table); } document.close(); // if (Desktop.isDesktopSupported()) { // try { // File myFile = new File(filepath); // Desktop.getDesktop().open(myFile); // } catch (IOException ex) { // // no application registered for PDFs // System.out.println(ex.toString()); // } // } document = new Document(); PdfWriter.getInstance(document, new FileOutputStream(dafilepath)); document.open(); // Add title p = new Paragraph("Tr?ng ?i h?c Bch Khoa H Ni", timesBold_25); p.setAlignment(Element.ALIGN_CENTER); p.setSpacingAfter(5); document.add(p); p = new Paragraph("?? thi mn " + this.lbSubject.getText(), timesBold_25); p.setAlignment(Element.ALIGN_CENTER); p.setSpacingAfter(25); document.add(p); p = new Paragraph( "Ng?i ra ?: " + Controller.getCurrentAdmin().getAdminName() + ", Ngy ra ?: " + (new SimpleDateFormat("yyyy-MM-dd").format(Calendar.getInstance().getTime())), times_15); p.setAlignment(Element.ALIGN_LEFT); p.setSpacingAfter(5); document.add(p); p = new Paragraph("M ?: " + this.txtExamCode.getText() + " Th?i gian lm bi: " + spTime.getValue().toString() + " pht", timesBold_15); p.setSpacingAfter(25); document.add(p); for (int i = 0; i < this.questionList.size(); i++) { Question question = this.questionList.get(i); ArrayList<Answer> answerList = AnswerSql .getAnswersByQuestionId(question.getQuestionId().trim()); Phrase questionNumber = new Phrase("Cu " + (i + 1) + ": ", timesBold_15); Phrase questionContent = new Phrase(question.getQuestion(), times_15); Paragraph questionTitle = new Paragraph(); questionTitle.add(questionNumber); questionTitle.add(questionContent); document.add(questionTitle); PdfPTable table = new PdfPTable(2); for (int j = 0; j < answerList.size(); j++) { Answer ans = answerList.get(j); Phrase cap = new Phrase(Character.toString((char) (j + 65)) + ". ", timesBold_15); Phrase answerContent = null; if (ans.getYesNo()) { answerContent = new Phrase(ans.getAnswer(), timesBold_15); } else { answerContent = new Phrase(ans.getAnswer(), times_15); } Phrase elem = new Phrase(); elem.add(cap); elem.add(answerContent); PdfPCell cell = new PdfPCell(); cell.setBorder(Rectangle.NO_BORDER); cell.setPhrase(elem); cell.setFixedHeight(25); table.addCell(cell); } document.add(table); } document.close(); } catch (FileNotFoundException | DocumentException ex) { Logger.getLogger(PreviewExam.class.getName()).log(Level.SEVERE, null, ex); } } } }//GEN-LAST:event_btnPrintActionPerformed private void btnSaveActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnSaveActionPerformed Exam exam = new Exam(); exam.setExamId(examId); exam.setExamCode(this.txtExamCode.getText()); exam.setSubject(subject); exam.setTime((int) this.spTime.getValue()); exam.setQuestionList(questionList); if (ExamSql.saveExam(exam)) { JOptionPane.showMessageDialog(this, "Save exam success"); } this.btnSave.setEnabled(false); if (this.superParent != null) { this.superParent.reloadTable(); } }//GEN-LAST:event_btnSaveActionPerformed /** * @param args the command line arguments */ public static void main(String args[]) { /* Set the Nimbus look and feel */ //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html */ try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(PreviewExam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(PreviewExam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(PreviewExam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(PreviewExam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //</editor-fold> /* Create and display the dialog */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { PreviewExam dialog = new PreviewExam(new javax.swing.JFrame(), true); dialog.addWindowListener(new java.awt.event.WindowAdapter() { @Override public void windowClosing(java.awt.event.WindowEvent e) { System.exit(0); } }); dialog.setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton btnClose; private javax.swing.JButton btnPrint; private javax.swing.JButton btnSave; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JLabel lbQuestionCount; private javax.swing.JLabel lbSubject; private javax.swing.JSpinner spTime; private javax.swing.JTable tbQuestion; private javax.swing.JTextField txtExamCode; // End of variables declaration//GEN-END:variables }