fontsetting.java

我自己用java写的记事本

      {
        setScrollValueBaseGreenText();
      }

      private void setScrollValueBaseGreenText() throws NumberFormatException
      {
        //如果没有输入，则设置为0
        try
        {
          //取得输入的值
          int g = Integer.parseInt(gValueText.getText().trim());
          //如果设置大于255，则将其设置为255
          if (g > 255)
          {
            gValue.setValue(255);
          }
          //如果没有输入任何数或是小于0的数，则设置为0
          else if (g <= 0)
          {
            gValue.setValue(0);
          }
          else
          {
            gValue.setValue(Integer.parseInt(gValueText.getText()));
          }
        }
        catch (Exception ev)
        {
          //如果输入的数格式不对，则做任何处理
        }
      }
    });
    gValueText.setText("0");
    bValueText.setBounds(new Rectangle(264, 94, 49, 23));
    bValueText.addKeyListener(new KeyAdapter()
    {
      public void keyReleased(KeyEvent e)
      {
        //如果没有输入，则设置为0
        setScrollValueBaseBlueText();
      }

      private void setScrollValueBaseBlueText() throws NumberFormatException
      {
        try
        {
          //取得输入的值
          int b = Integer.parseInt(bValueText.getText().trim());
          //如果设置大于255，则将其设置为255
          if (b > 255)
          {
            bValue.setValue(255);
          }
          //如果没有输入任何数或是小于0的数，则设置为0
          else if (b <= 0)
          {
            bValue.setValue(0);
          }
          else
          {
            bValue.setValue(Integer.parseInt(bValueText.getText()));
          }
        }
        catch (Exception ev)
        {
          //如果输入的数格式不对，则做任何处理
        }
      }
    });
    bValueText.setText("93");
    jScrollPane1.setBounds(new Rectangle(7, 137, 168, 84));
    jPanel4.setLayout(borderLayout2);

    sampleFont.setDoubleBuffered(true);
    sampleFont.setEditable(false);
    sampleFont.setText("应用");
    sampleFont.setBackground(new Color(71, 171, 255)); //初始化
    sampleFont.setForeground(new Color(0, 0, 93));
    sampleFont.setFont(new Font("", Font.PLAIN, 14));

    jCheckBox1.setText("粗体");
    jCheckBox1.setBounds(new Rectangle(16, 262, 54, 26));
    jCheckBox1.addChangeListener(new ChangeListener()
    {
      public void stateChanged(ChangeEvent e)
      {
        setSampleFont();
      }
    });
    jCheckBox2.setBounds(new Rectangle(73, 262, 54, 26));
    jCheckBox2.addChangeListener(new ChangeListener()
    {
      public void stateChanged(ChangeEvent e)
      {
        setSampleFont();
      }
    });

    jCheckBox2.setText("斜体");
    fontTypeList.setOpaque(true);
    fontTypeList.addListSelectionListener(new ListSelectionListener()
    {
      public void valueChanged(ListSelectionEvent e)
      {
        setSampleFont();
      }
    });
    backgroundSetSign.setBounds(new Rectangle(181, 194, 64, 26));
    //选择设置sampleFont的背景颜色
    backgroundSetSign.addChangeListener(new ChangeListener()
    {
      public void stateChanged(ChangeEvent e)
      {
        setSampleFont();
      }
    });
    foregroundSetSign.setSelected(true);
    foregroundSetSign.setText("字体");
    foregroundSetSign.setBounds(new Rectangle(179, 140, 64, 26));
    //选择设置sampleFont的字体颜色
    foregroundSetSign.addChangeListener(new ChangeListener()
    {
      public void stateChanged(ChangeEvent e)
      {
        setSampleFont();
      }
    });
    this.getContentPane().add(jPanel1);
    jPanel2.add(jButton3);
    jPanel2.add(jButton1);
    jPanel2.add(jButton2);
    this.getContentPane().add(jCheckBox2, null);
    this.getContentPane().add(jCheckBox1, null);
    this.getContentPane().add(jLabel1, null);
    this.getContentPane().add(sizeValueText, null);
    this.getContentPane().add(sizeValue, null);
    this.getContentPane().add(jPanel3, null);
    jPanel1.add(fontTypeList, java.awt.BorderLayout.CENTER);
    jPanel3.add(rValue, null);
    jPanel3.add(rValueText, null);
    jPanel3.add(bValue, null);
    jPanel3.add(gValue, null);
    jPanel3.add(gValueText, null);
    jPanel3.add(bValueText, null);
    jPanel3.add(jLabel4, null);
    jPanel3.add(jLabel3, null);
    jPanel3.add(jLabel2, null);
    jPanel3.add(jScrollPane1, null);
    jPanel3.add(backgroundSetSign, null);
    jPanel3.add(foregroundSetSign, null);
    jPanel3.add(jButton4, null);
    this.getContentPane().add(jPanel2);
    jScrollPane1.getViewport().add(jPanel4, null);
    jPanel4.add(sampleFont, BorderLayout.CENTER);
    buttonGroup1.add(foregroundSetSign);
    buttonGroup1.add(backgroundSetSign);
  }

  private void centerDialog() throws HeadlessException
  {
    // 使窗口居中显示
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = this.getSize();
    if (frameSize.height > screenSize.height)
    {
      frameSize.height = screenSize.height;
    }
    if (frameSize.width > screenSize.width)
    {
      frameSize.width = screenSize.width;
    }
    this.setLocation( (screenSize.width - frameSize.width) / 2,
                     (screenSize.height - frameSize.height) / 2);
  }

//******************************************************************************

   //输入B的值处理
   void bValueText_keyReleased(KeyEvent e)
   {
     //如果没有输入，则设置为0
     try
     {
       //取得输入的值
       int b = Integer.parseInt(rValueText.getText().trim());
       //如果设置大于255，则将其设置为255
       if (b > 255)
       {
         bValue.setValue(255);
       }
       //如果没有输入任何数或是小于0的数，则设置为0
       else if (b <= 0)
       {
         bValue.setValue(0);
       }
       else
       {
         bValue.setValue(Integer.parseInt(bValueText.getText()));
       }
     }
     catch (Exception ev)
     {
       //如果输入的数格式不对，则做任何处理
     }
   }

//*****************************************************************************
   //将样本的字体设置成当前所有设置
   void setSampleFont()
   {
     //设置示例文字的颜色
     int r = rValue.getValue();
     int g = gValue.getValue();
     int b = bValue.getValue();
     int fontSize = sizeValue.getValue();
     //获取粗体或斜体设置
     int x = boldAndItalicSet();
     sampleFont.setFont(new Font("宋体", x, fontSize));
     if (foregroundSetSign.isSelected())
     {
       sampleFont.setForeground(new Color(r, g, b));
     }
     else if (backgroundSetSign.isSelected())
     {
       sampleFont.setBackground(new Color(r, g, b));
     }
   }

  //将目标字体设置成当前的所有设置项
  void setContentFont()
  {
    String fontType; // = fontTypeList.getSelectedValue().toString().trim();
    //获取粗体或斜体设置
    int x = boldAndItalicSet();
    //if (fontType == "默认" || fontType == null)
    {
      fontType = "Dialog";
    }
    MainFrame.contentText.setForeground(sampleFont.getForeground());
    MainFrame.contentText.setBackground(sampleFont.getBackground());
    MainFrame.contentText.setFont(sampleFont.getFont());
  }

//******************************************************************************

   void gValue_stateChanged(ChangeEvent e)
   {
     gValueText.setText(gValue.getValue() + "");
     //根据当前的改变处理所有待设置字体
     setSampleFont();
   }

  void bValue_stateChanged(ChangeEvent e)
  {
    bValueText.setText(bValue.getValue() + "");
    //根据当前的改变处理所有待设置字体
    setSampleFont();
  }

//******************************************************************************
   //粗体斜体设置
   int boldAndItalicSet()
   {
     //既不是粗体，也不是斜体
     if (!jCheckBox1.isSelected() && !jCheckBox2.isSelected())
     {
       f = Font.PLAIN;
     }
     //是粗体，不是斜体
     else if (jCheckBox1.isSelected() && !jCheckBox2.isSelected())
     {
       f = Font.BOLD;
     }
     //不是粗体，是斜体
     else if (!jCheckBox1.isSelected() && jCheckBox2.isSelected())
     {
       f = Font.ITALIC;
     }
     //是粗体，也是斜体
     else if (jCheckBox1.isSelected() && jCheckBox2.isSelected())
     {
       f = Font.BOLD + Font.ITALIC;
     }
     //返回所选择的粗斜体设置值
     return f;
   }
}
//******************************************************************************