frametestviewitemaction.java

简单的java文本编辑器

/*************************************************************************************
* 类名： FrameTestViewItemAction                                                               
*                                                                    
* 功能： 此类为编辑器中“View"菜单中菜单项所注册的监听器类
*                                                                
**************************************************************************************/
package edit.com;

import java.awt.event.ActionListener;
import javax.swing.Action;
import java.awt.event.ActionEvent;
import javax.swing.JMenuItem;
import java.awt.Component;
import java.awt.Font;
import java.awt.Color;


class FrameTestViewItemAction implements ActionListener {
    private JMenuItem[] viewItems;
    private EditArea editArea;
    private FrameTestState state;
    private FrameTestTools tool;
    private Component c;
    private FrameTestDialogs dialogs;

    public FrameTestViewItemAction( JMenuItem[] aViewItems,
                                    EditArea aEditArea,
                                    FrameTestState aState,
                                    FrameTestTools aTool,
                                    Component c,
                                    FrameTestDialogs aDialogs ) {
        viewItems = aViewItems;
        editArea = aEditArea;
        state = aState;
        tool = aTool;
        this.c = c;
        dialogs = aDialogs;
    }

    public void actionPerformed( ActionEvent e )
        {
            if( viewItems[0].equals( ( JMenuItem )e.getSource() ) )//"Font"菜单项
            {
                if( dialogs.getFontBox() == null )
                {
                    dialogs.setFontBox( new EditFont() );
                }

                if( dialogs.getFontBox().showDialog( this.c , "FontSelect" ) )
                {
                    state.setFontSet( dialogs.getFontBox().getFontSet() );
                    editArea.setFont( new Font( state.getFontSet().getStyle() ,
                                                state.getFontSet().getModal() ,
                                                state.getFontSet().getSize() ) );
                }
            }
            else if( viewItems[1].equals( ( JMenuItem )e.getSource() ) )//"color"菜单项
            {
                if( dialogs.getColorBox() == null )
                {
                    dialogs.setColorBox( new EditColor() );
                }

                if( dialogs.getColorBox().showDialog( this.c , "ColorSelect" ) )
                {
                    state.setColorSet( dialogs.getColorBox().getValues() );

                    if( state.getColorSet().getRs() == 1 ) //“RGB”模式
                    {
                        if( state.getColorSet().getType() == 1 )//设置前景
                        {
                            editArea.setForeground( new Color( state.getColorSet().getR() ,
                                                               state.getColorSet().getG() ,
                                                               state.getColorSet().getB() ) );
                        }
                        else //设置背景
                        {
                            editArea.setBackground( new Color(  state.getColorSet().getR() ,
				                                                state.getColorSet().getG() ,
				                                                state.getColorSet().getB() ) );
                        }
                    }
                    else //“黑白颜色”模式
                    {
                        if( state.getColorSet().getType() == 1 )//设置前景
                        {
                            editArea.setForeground( new Color( state.getColorSet().getS() ,
                                                               state.getColorSet().getS() ,
                                                               state.getColorSet().getS() ) );
                        }
                        else //设置背景
                        {
                            editArea.setBackground( new Color( state.getColorSet().getS() ,
                                                               state.getColorSet().getS() ,
                                                               state.getColorSet().getS() ) );
                        }
                    }
                }
            }
            else if( viewItems[2].equals( ( JMenuItem )e.getSource() ) ) //“wrap"菜单项
            {
                if( editArea.getWrapState() )
                {
                    editArea.setLineWrap( false );
                    editArea.setWrapFalse();
                }
                else
                {
                    editArea.setLineWrap( true );
                    editArea.setWrapTrue();
                }
            }
            else if( viewItems[3].equals( ( JMenuItem )e.getSource() ) )//"selectAll"菜单项
            {
                editArea.selectAll();
            }
        }
}