operationframe.java

JAVA课程设计,照片浏览系统,可以存储,显示,排序,删除照片,可以对照片添加相应的说明

    private void seeJButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_seeJButtonActionPerformed
        // TODO add your handling code here:
        oneJTextArea.setText("");
        if(numberJRadioButton.isSelected()){
            boolean checkPoint1=checkContents(0,number1JTextField);
            if(checkPoint1==true&&!number1JTextField.getText().equals("")){
                seekPhoto(0,number1JTextField);
                name1JTextField.setText("");
                date1JTextField.setText("");
                place1JTextField.setText("");
                
            }
            else if(!number1JTextField.getText().equals("")){
                JOptionPane.showMessageDialog(null,"该照片不存在！","Wrong PhotoID",JOptionPane.WARNING_MESSAGE);
                number1JTextField.setText("");
            }
            else 
                JOptionPane.showMessageDialog(null,"请输入照片ID！","Missing information",JOptionPane.WARNING_MESSAGE);
        }
        else if(nameJRadioButton.isSelected()){
            boolean checkPoint2=checkContents(1,name1JTextField);
            if(checkPoint2==true&&!name1JTextField.getText().equals("")){
                seekPhoto(1,name1JTextField);
                number1JTextField.setText("");
                date1JTextField.setText("");
                place1JTextField.setText("");
            }
            else if(!name1JTextField.getText().equals("")){
                JOptionPane.showMessageDialog(null,"该照片不存在！","Wrong Name",JOptionPane.WARNING_MESSAGE);
                name1JTextField.setText("");
            }
            else
                JOptionPane.showMessageDialog(null,"请输入照片名称！","Missing information",JOptionPane.WARNING_MESSAGE);
        }
        else if(dateJRadioButton.isSelected()){
            boolean checkPoint3=checkContents(2,date1JTextField);
            if(checkPoint3==true&&!date1JTextField.getText().equals("")){
                seekPhoto(2,date1JTextField);
                number1JTextField.setText("");
                name1JTextField.setText("");
                place1JTextField.setText("");
            }
            else if(!date1JTextField.getText().equals("")){
                JOptionPane.showMessageDialog(null,"该照片不存在！","Wrong Date",JOptionPane.WARNING_MESSAGE);
                date1JTextField.setText("");
            }
            else
                    JOptionPane.showMessageDialog(null,"请输入照片拍摄时间！","Missing information",JOptionPane.WARNING_MESSAGE);
        }
        else if(placeJRadioButton.isSelected()){
            boolean checkPoint4=checkContents(3,place1JTextField);
            if(checkPoint4==true&&!place1JTextField.getText().equals("")){
                seekPhoto(3,place1JTextField);
                number1JTextField.setText("");
                name1JTextField.setText("");
                date1JTextField.setText("");
            }
            else if(!place1JTextField.getText().equals("")){
                JOptionPane.showMessageDialog(null,"该照片不存在！","Wrong Place",JOptionPane.WARNING_MESSAGE);
                place1JTextField.setText("");
            }
            else
                JOptionPane.showMessageDialog(null,"请输入照片地点！","Missing information",JOptionPane.WARNING_MESSAGE);
        }
        else if(allJRadioButton.isSelected()){
        try {
            FileReader outputFile = new FileReader(selectedFile);
            output=new BufferedReader(outputFile);
            String contents=output.readLine();
            oneJTextArea.append("photoID"+"\t"+"Name"+"\t"+"Date"+"\t"+"Place"+"\t"+"Description"+"\n");
           while(contents!=null)
            {          
               oneJTextArea.append(contents+"\t"+output.readLine()+"\t"+output.readLine()+"\t"+output.readLine()+"\t"+output.readLine()+"\n");
               contents=output.readLine();
            }
        } catch (IOException ex) {
            JOptionPane.showMessageDialog( this, 
               "Please make sure the file exists and is of the " +
               "right format.", "I/O Error", 
               JOptionPane.ERROR_MESSAGE );
        } finally {
            try {
                output.close();
            } catch (IOException ex) {
             JOptionPane.showMessageDialog( this, 
               "Please make sure the file exists and is of the " +
               "right format.", "I/O Error", 
               JOptionPane.ERROR_MESSAGE );
            }
        }
        }
        else
            JOptionPane.showMessageDialog(null,"请至少选种一项！","Missing choose",JOptionPane.ERROR_MESSAGE);
    }//GEN-LAST:event_seeJButtonActionPerformed

    private void placeJRadioButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_placeJRadioButtonActionPerformed
        // TODO add your handling code here:
        if(placeJRadioButton.isSelected()){
            place1JTextField.setEditable(true);
        }
        if(!placeJRadioButton.isSelected()){
            place1JTextField.setText("");
            place1JTextField.setEditable(false);
        }
    }//GEN-LAST:event_placeJRadioButtonActionPerformed

    private void showJButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_showJButtonActionPerformed
        // TODO add your handling code here:
        boolean checkPoint=checkContents(0,number3JTextField);
        if(checkPoint==true){
        if(!number3JTextField.getText().equals(""))
        {
        name3JTextField.setEditable(true);
        date3JTextField.setEditable(true);
        place3JTextField.setEditable(true);
        threeJTextArea.setEditable(true);
        ok3JButton.setEnabled(true);
        ok4JButton.setEnabled(true);
        try {
            FileReader outputFile = new FileReader(selectedFile);
            output=new BufferedReader(outputFile);
            String contents=output.readLine();
           while(contents!=null)
            {
                if(contents.equals(number3JTextField.getText()))
                {
                    name3JTextField.setText(output.readLine());
                    date3JTextField.setText(output.readLine());
                    place3JTextField.setText(output.readLine());
                    threeJTextArea.setText(output.readLine());
                }
                else{
                   for(int i=0;i<4;i++){
                       output.readLine();
                   }
                }
                contents=output.readLine();
            }
        } catch (IOException ex) {
            JOptionPane.showMessageDialog( this, 
               "Please make sure the file exists and is of the " +
               "right format.", "I/O Error", 
               JOptionPane.ERROR_MESSAGE );
        } finally {
            try {
                output.close();
            } catch (IOException ex) {
             JOptionPane.showMessageDialog( this, 
               "Please make sure the file exists and is of the " +
               "right format.", "I/O Error", 
               JOptionPane.ERROR_MESSAGE );
            }
        }
        }
        else
            JOptionPane.showMessageDialog(null,"Please input the photoID!","Missing informaiton",
                 JOptionPane.WARNING_MESSAGE);
        }
        else{
            JOptionPane.showMessageDialog(null,"该照片不存在！","Wrong PhotoID",JOptionPane.ERROR_MESSAGE);
            number3JTextField.setText("");
        }
    }//GEN-LAST:event_showJButtonActionPerformed

    private void ok3JButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ok3JButtonActionPerformed
        // TODO add your handling code here:
        photoArrayList.clear();
        storePhotoObject();
        int number=photoArrayList.size();
        for(int i=0;i<number;i++){
            if(number3JTextField.getText().equals(((Photo)photoArrayList.get(i)).getPhotoID()))
            {
               ((Photo)photoArrayList.get(i)).setPhotoID(number3JTextField.getText());
               ((Photo)photoArrayList.get(i)).setName(name3JTextField.getText());
               ((Photo)photoArrayList.get(i)).setDate(date3JTextField.getText()); 
               ((Photo)photoArrayList.get(i)).setPlace(place3JTextField.getText());
               ((Photo)photoArrayList.get(i)).setDescription(threeJTextArea.getText());
        }
        }
      if(number3JTextField.getText().equals("")||
         name3JTextField.getText().equals("")||
         date3JTextField.getText().equals("")||
         place3JTextField.getText().equals("")||
         threeJTextArea.getText().equals("")){
         JOptionPane.showMessageDialog(null,"请在每个选项内填入内容！","Miss Imformation",JOptionPane.ERROR_MESSAGE);
      }
      else if(!number3JTextField.getText().equals("")&&
              !name3JTextField.getText().equals("")&&
              !date3JTextField.getText().equals("")&&
              !place3JTextField.getText().equals("")&&
              !threeJTextArea.getText().equals(""))
             {
         clearPhotoFile();
        for(int i=0;i<number;i++){
        FileWriter inputFile=null;
        try {                                          
            inputFile = new FileWriter(selectedFile, true);
            input=new PrintWriter(inputFile);
        } catch (IOException ex) {
               JOptionPane.showMessageDialog( this, 
               "Cannot open the file " + selectedFile.getName() + ".", "Error", 
               JOptionPane.ERROR_MESSAGE );
        }
        input.println((((Photo)photoArrayList.get(i)).getPhotoID()));
        input.println((((Photo)photoArrayList.get(i)).getName()));
        input.println((((Photo)photoArrayList.get(i)).getDate()));
        input.println((((Photo)photoArrayList.get(i)).getPlace()));
        input.println((((Photo)photoArrayList.get(i)).getDescription()));
        input.close();
        }
        JOptionPane.showMessageDialog(null,"操作成功！");
        name3JTextField.setText("");
        date3JTextField.setText("");
        place3JTextField.setText("");
        threeJTextArea.setText("");
    }
    }//GEN-LAST:event_ok3JButtonActionPerformed

    private void ok4JButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ok4JButtonActionPerformed
        // TODO add your handling code here:
     photoArrayList.clear();
     storePhotoObject();
     int number=photoArrayList.size();
     if(!number3JTextField.getText().equals(""))
     {
     for(int i=0;i<number;i++){
      if(number3JTextField.getText().equals(((Photo)photoArrayList.get(i)).getPhotoID()))
        {
                position=i;
                break;
        }
        }
     photoArrayList.remove(position);
     number3JTextField.setText("");
     name3JTextField.setText("");
     date3JTextField.setText("");
     place3JTextField.setText("");
     threeJTextArea.setText("");
     clearPhotoFile();
     for(int i=0;i<number-1;i++){
        FileWriter inputFile=null;
        try {                                          
            inputFile = new FileWriter(selectedFile, true);
            input=new PrintWriter(inputFile);
        } catch (IOException ex) {
               JOptionPane.showMessageDialog( this, 
               "Cannot open the file " + selectedFile.getName() + ".", "Error", 
               JOptionPane.ERROR_MESSAGE );
        }
        input.println((((Photo)photoArrayList.get(i)).getPhotoID()));
        input.println((((Photo)photoArrayList.get(i)).getName()));
        input.println((((Photo)photoArrayList.get(i)).getDate()));
        input.println((((Photo)photoArrayList.get(i)).getPlace()));
        input.println((((Photo)photoArrayList.get(i)).getDescription()));
        input.close();      
            }