sdabutton.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 javax.microedition.lcdui.*;

/**
 * @author not attributable
 * @version 1.0
 */
public class SDAButton extends SDABaseControl {

    private Image image = null;
    private int glyphAlignType = SDAConsts.blGlyphLeft;
    private int downBackColor=SDAConsts.clWhite;
    private int downForeColor=SDAConsts.clBlack;
    private int borderColor=SDAConsts.clBlack;

    private void InitButton(String Caption) {
        this.text = Caption;
        this.visible = true;
        this.width = 60;
        this.height = 20;
        this.backColor = SDAConsts.clBtnFace;
        this.parentFont = false;
        ctl3d = false;
    }

    public SDAButton() {
        InitButton("");
    }

    public SDAButton(String text) {
        InitButton(text);
    }

    private void DrawSkinsRect(Graphics g) {
        Image skin = this.down ? form.Application.getSkins().getImage("button_down_bg.png") : form.Application.getSkins().getImage("button_bg.png");
        skin = SDAImageUtils.processImage(skin, this.width - 2, this.height - 2,
                SDAImageUtils.MODE_STRETCH_VERTICAL |
                SDAImageUtils.MODE_REPEAT);
        drawImage(g, skin, 1, 1, 0);
        skin = null;
        g.setColor(isFoucsed() ? SDAConsts.clFocusShadow : SDAConsts.clAarkGray);
        drawRect(g, 1, 1, getWidth() - 2, getHeight() - 2);
    }

    private void DrawShadowRect(Graphics g) {
        if (isCtl3d()) {
            g.setColor(this.down ? SDAConsts.clBtnShadow : SDAConsts.clWhite);
            drawLine(g, 0, 0, getWidth(), 0);
            drawLine(g, 0, 0, 0, getHeight());
            g.setColor(SDAConsts.clBtnShadow);
            drawLine(g, getWidth() - 1, getHeight() - 1, 0, getHeight() - 1);
            drawLine(g, getWidth() - 1, getHeight() - 1, getWidth() - 1, 0);
        } else {
            g.setColor(borderColor);
            drawRect(g, 0, 0, getWidth() - 1, getHeight() - 1);
        }
        if (!transparent) {
            if (ctl3d) {
                g.setColor(SDAConsts.clBtnFace);
            } else {
                g.setColor(this.down ? downBackColor : backColor);
            }
            fillRect(g, 1, 1, getWidth() - 2, getHeight() - 2);
        }
        if (isFoucsed()) {
            g.setColor(SDAConsts.clFocusShadow);
            drawRect(g, 1, 1, getWidth() - 3, getHeight() - 3);
        }
    }

    public void paint() {
        if (!IsCanPaint()) {
            return;
        }
        Graphics g = form.getGraphics();
        g.setFont(getFont());
        SetClip(g, 0, 0, this.width, this.height);
        if (this.form.Application.getSkins() == null) {
            DrawShadowRect(g);
        } else {
            DrawSkinsRect(g);
        }
        Font ft = getFont();
        int fontHeight = ft.getHeight();
        g.setColor(this.down?downForeColor:foreColor);
        if (image != null) {
            if (text.length() > 0) {
                if (glyphAlignType == SDAConsts.blGlyphTop) {
                    drawImage(g, image, (getWidth() - image.getWidth()) / 2 + 1,
                            (getHeight() - image.getHeight() - fontHeight) / 2 + 1, 0);
                    drawString(g, text, (getWidth() - ft.stringWidth(text)) / 2 + 1,
                            (getHeight() - image.getHeight() - fontHeight) / 2 + image.getHeight() + 1);
                }
                if (glyphAlignType == SDAConsts.blGlyphBottom) {
                    drawImage(g, image, (getWidth() - image.getWidth()) / 2 + 1,
                            (getHeight() - image.getHeight() - fontHeight) / 2 + fontHeight + 1, 0);
                    drawString(g, text, (getWidth() - ft.stringWidth(text)) / 2 + 1,
                            (getHeight() - image.getHeight() - fontHeight) / 2 + 1);
                }
                if (glyphAlignType == SDAConsts.blGlyphLeft) {
                    drawImage(g, image, (getWidth() - image.getWidth() - ft.stringWidth(text) - 2) / 2 + 1,
                            (getHeight() - image.getHeight()) / 2, 0);
                    drawString(g, text, (getWidth() - ft.stringWidth(text) - image.getWidth() - 2) / 2 + image.getWidth() + 3,
                            (getHeight() - fontHeight) / 2 );
                }
                if (glyphAlignType == SDAConsts.blGlyphRight) {
                    drawImage(g, image, (getWidth() - image.getWidth() - ft.stringWidth(text) - 2) / 2 + ft.stringWidth(text) + 3,
                            (getHeight() - image.getHeight()) / 2, 0);
                    drawString(g, text, (getWidth() - ft.stringWidth(text) - image.getWidth() - 2) / 2 + 1,
                            (getHeight() - fontHeight) / 2 );
                }

            } else {
                drawImage(g, image, (getWidth() - image.getWidth()) / 2 + 1,
                        (getHeight() - image.getHeight()) / 2, 0);
            }
        } else {
            drawString(g, text, (getWidth() - ft.stringWidth(text)) / 2 + 1,
                    (getHeight() - fontHeight) / 2);
        }
        PaintChilds();
    }

    public Image getButtonImage() {
        return image;
    }

    public void setButtonImage(Image buttonImage) {
        this.image = buttonImage;
    }

    public int getGlyphAlignType() {
        return glyphAlignType;
    }

    public void setGlyphAlignType(int glyphAlignType) {
        this.glyphAlignType = glyphAlignType;
    }

    public int getDownBackColor() {
        return downBackColor;
    }

    public void setDownBackColor(int downBackColor) {
        this.downBackColor = downBackColor;
    }

    public int getDownForeColor() {
        return downForeColor;
    }

    public void setDownForeColor(int downForeColor) {
        this.downForeColor = downForeColor;
    }

    public int getBorderColor() {
        return borderColor;
    }

    public void setBorderColor(int borderColor) {
        this.borderColor = borderColor;
    }
    
}