setbuttonaction.java

简单的java文本编辑器

/*************************************************************************************
* 类名： SetButtonAction                                                               
*                                                                    
* 功能： 此类为ButtonPanel类中按钮的动作类
*                                                                
**************************************************************************************/
package edit.com;

import javax.swing.AbstractAction;
import java.awt.event.ActionEvent;
import javax.swing.Action;
import java.awt.Color;
import javax.swing.JColorChooser;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JTextField;
import javax.swing.JTextArea;
import javax.swing.JRadioButton;
import java.awt.Component;

class SetButtonAction extends AbstractAction {
    private Color selectColor;
    private JSlider[] sliders;
    private JTextField[] texts;
    private JTextArea showText;
    private Component c ;
    private JRadioButton[] colorButtons;
    private EditColorTools tool = new EditColorTool();

    SetButtonAction( String name , JSlider[] aSliders , JTextField[] aTexts ,
                     JRadioButton[] buttons , Component aComponent ,
                     JTextArea aShowText ) {
        putValue( Action.NAME , name );
        sliders = aSliders;
        texts = aTexts;
        colorButtons = buttons;
        showText = aShowText;
        c = aComponent;
    }

    public void actionPerformed( ActionEvent e ) {
        selectColor = JColorChooser.showDialog( c , "colorSet",
                                                Color.red );

        if ( sliders[3].isEnabled() && texts[3].isEnabled() &&
                texts[3].isEditable() ) {
            sliders[3].setEnabled( false );
            texts[3].setEnabled( false );
            texts[3].setEditable( false );

            for ( int i = 0 ; i < 3 ; i++ ) {
                sliders[i].setEnabled( true );
                texts[i].setEditable( true );
                texts[i].setEnabled( true );
            }

            colorButtons[0].setSelected( true );
            colorButtons[1].setSelected( false );
        }

        if ( selectColor != null ) {
            int[] rgb = new int[3];
            rgb[0] = selectColor.getRed();
            rgb[1] = selectColor.getGreen();
            rgb[2] = selectColor.getBlue();

            tool.setShowText( showText ,  selectColor );
            for ( int i  = 0 ; i < 3 ; i++ ) {
                texts[i].setText( String.valueOf( rgb[i] ) );
                sliders[i].setValue( rgb[i] );
            }
        }
    }
}