J2ME

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Java

MultilineArrowControl.java：源码内容
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package com.MOM.ui.control;
import com.MOM.Constants;
import com.MOM.resources.Resources;
import com.framework.DisplayManager;
import com.framework.GTantra;
import com.framework.TextControl;
import com.framework.UIControl;
import com.framework.Util;
import javax.microedition.lcdui.Graphics;
/**
 *
 * @author Swaroop Kumar
 */
public class MultilineArrowControl extends UIControl{
    TextControl control;
    boolean paintLeftArrow,paintRightArrow;
    int leftArrowColor = 0;
    public MultilineArrowControl(String text,boolean paintLeftArrow,boolean paintRightArrow,GTantra font) {
        setWidth(DisplayManager.getInst().getWidth());
        control = new TextControl(text, width - (Constants.LEFT_PADDING * 3)- Constants.RIGHT_ARROW_PADDING - Constants.LEFT_ARROW_WIDTH - Resources.getInstance().getFontRightArrow().getStringWidth(Constants.RIGHT_ARROW_TEXT), font, GTantra.TEXT_LEFT, false);
        control.setY(Constants.TOP_PADDING);
        setHeight(control.getHeight() + (Constants.TOP_PADDING * 2) );
        control.setX((Constants.LEFT_PADDING * 4) + Constants.LEFT_ARROW_WIDTH);
        control.setSelectionFont(font);
        this.paintLeftArrow = paintLeftArrow;
        this.paintRightArrow = paintRightArrow;
    }
    public void setSelectable(boolean selectable) {
        super.setSelectable(selectable);
        if(!selectable)
        {
            control.setY(0);
            setHeight(control.getHeight());
            if(getParent() != null)
            {
                getParent().resize();
            }
        }
    }
    
    public void setLeftArrowColor(int leftArrowColor) {
        this.leftArrowColor = leftArrowColor;
    }
    
    public void showNotify() {
        super.showNotify();
        control.showNotify();
    }
    public void hideNotify() {
        super.hideNotify();
        control.hideNotify();
    }
    public void setSelected(boolean selected) {
        super.setSelected(selected);
        control.setSelected(selected);
    }
    public void paint(Graphics g) {
        if(paintLeftArrow)
        {
            if(isSelected())
            {
                g.setColor(0xffffff);
                
            }else
                g.setColor(leftArrowColor);
            if(isSelectable())
            {
                Util.fillTriangle(g, Constants.LEFT_PADDING + Constants.LEFT_ARROW_WIDTH , (Constants.TOP_PADDING * 2)+ Constants.LEFT_ARROW_WIDTH , Constants.LEFT_ARROW_WIDTH << 1, 1);
            }else{
                Util.fillTriangle(g, Constants.LEFT_PADDING + Constants.LEFT_ARROW_WIDTH , Constants.TOP_PADDING + Constants.LEFT_ARROW_WIDTH , Constants.LEFT_ARROW_WIDTH << 1, 1);
            }
            
        }
        control.paintUI(g);
        if(paintRightArrow)
        {
            GTantra font = Resources.getInstance().getFontRightArrow();
            if(isSelected())
            {
                font.setColor(0xffffff);
            }else{
                font.setColor(0);
            }
            font.drawString(g, Constants.RIGHT_ARROW_TEXT, width - Constants.LEFT_PADDING - font.getStringWidth(Constants.RIGHT_ARROW_TEXT), (height - font.getFontHeight()) >> 1, GTantra.TEXT_LEFT);
        }
        if(isSelectable() && !isSelected())
        {
            g.setColor(0x999999);
            g.drawLine(0, 0, width, 0);
            g.drawLine(0, height -1, width , height - 1);
        }
    }
    public void setSelectionFont(GTantra font)
    {
        control.setSelectionFont(font);
    }
    
}

						