sdaradiobutton.java

很好的UI界面源码..还有自己的输入法,可以更换风格.可以学习和使用

package cn.sda.ui;

import java.util.*;

import javax.microedition.lcdui.*;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class SDARadioButton extends SDABaseControl {

    private static int CBW = 12;
    private boolean checked;
    protected int groupIndex = 0;
    private boolean autoSize = true;
    private void InitRadioButton(String text)
    {
        this.backColor=SDAConsts.clWhite;
        this.foreColor=SDAConsts.clBlack;
        this.transparent=true;
        this.autoSize=true;
        this.text=text;
        this.width = 60;
        this.height = 24;
    }
    public SDARadioButton(String text) {
        InitRadioButton(text);
    }
    public SDARadioButton() {
        InitRadioButton("RadioButton");
    }
    public void Click() {
        if (!IsCanPaint()) {
            return;
        }
        Vector radios = this.parent.FindControls(this.getClass());
        if (!this.checked) {
            for (int i = 0; i < radios.size(); i++) {
                SDARadioButton radio = ((SDARadioButton) radios.elementAt(i));
                if (radio.groupIndex == this.groupIndex) {
                    radio.checked = false;
                    radio.paint();
                }
            }
        }
        this.checked = true;
        this.paint();
        super.Click();
    }

    private void DrawRadioBox(Graphics g) {
        int dtX = 1;
        int dtY = 0;
        if (getHeight() < CBW) {
            setHeight(CBW);
        } else {
            dtY += (getHeight() - CBW) / 2;
        }
        if (!transparent) {
            g.setColor(this.getBackColor());
            fillRect(g, 0, 0, getWidth(), getHeight());
        }
        double arcX = dtX + CBW / 2;
        double arcY = dtY + CBW / 2 - 1;
        if (isCtl3d()) {
            g.setColor(SDAConsts.clBtnShadow);
            drawCircle(g, arcX,
                       arcY, 5.5, 45, 180);
            g.setColor(SDAConsts.clWhite);
            drawCircle(g, arcX,
                       arcY, 5.5, 225, 180);
            //g.setColor(SDAConsts.clBlack);
            //drawCircle(g, getLeft() + dtX + CBW / 2,
            //           getTop() + dtY + CBW / 2 - 1, 4,0,360);
        } else {
            g.setColor(SDAConsts.clBlack);
            drawCircle(g, arcX, arcY, 5.5, 0, 360);
        }
        g.setColor(getBackColor());
        fillCircel(g, arcX, arcY, 4.5, 0, 360);
        if(this.checked)
        {
            g.setColor(getForeColor());
            fillCircel(g, arcX, arcY, 3, 0, 360);
        }
    }

    public void paint() {
        if (!IsCanPaint()) {
            return;
        }
        Graphics g = form.getGraphics();
        //判断autoSize
        if (autoSize) {
            this.height=calcTextHeight();
            if (this.height<CBW)
            {
                this.height=CBW;
            }
            this.height+=4;
            this.width = calcTextWidth()+4+CBW;
        }
        SetClip(g,0,0,this.width,this.height);
        DrawRadioBox(g);
        int drawTop=(this.height-getFont().getHeight())/2;
        g.setFont(getFont());
        g.setColor(getForeColor());
        drawString(g,this.text,15,drawTop);
        if (isFoucsed()) {
            g.setColor(SDAConsts.clFocusShadow);
            DrawDotRect(g, 15,drawTop-1,this.width - 16,this.height - drawTop*2);
        }
        PaintChilds();
    }

    public final int getGroupIndex() {
        return groupIndex;
    }

    public final void setGroupIndex(int groupIndex) {
        this.groupIndex = groupIndex;
    }

    public final boolean isChecked() {
        return checked;
    }

    public boolean isAutoSize() {
        return autoSize;
    }

    public final void setChecked(boolean checked) {
        this.checked = checked;
    }

    public void setAutoSize(boolean autoSize) {
        this.autoSize = autoSize;
    }
}