sdatoolsbar.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

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package cn.sda.ui;

import cn.sda.event.KeybordEvent;
import cn.sda.event.PointerEvent;
import cn.sda.event.ToolsBarClickEvent;
import cn.sda.event.ToolsBarOnChangeEvent;
import java.util.Vector;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Font;

/**
 *
 * @author Administrator
 */
public class SDAToolsBar extends SDABaseControl {

    private byte buttonAlignType = SDAConsts.ktHorizontal;
    private int borderColor = SDAConsts.clBlack;
    //选中按钮颜色
    private int focusButtonBackColor = SDAConsts.clWhite;
    private int focusButtonForeColor = SDAConsts.clBlack;
    //是否显示标题
    private boolean showCaption = false;
    //是否显示按钮的边框
    private boolean showButtonRect = true;
    //是否按照标题自动伸缩按钮
    private boolean autoSizeButton = true;
    //组件列表
    private Vector controlList = null;
    //当前位置
    private SDAToolButton curButton = null;
    //事件
    private ToolsBarClickEvent onClickEvent = null;
    private ToolsBarOnChangeEvent onChangeEvent = null;
    //背景图
    private Image backImage = null;
    private boolean stretchImage = true;
    //按钮图片排布方式
    private int glyphAlignType = SDAConsts.blGlyphTop;
    //按钮的缺省尺寸
    private int buttonSize = 40;

    public SDAToolsBar() {
        super();
        setWidth(120);
        setHeight(22);
        setDock(SDAConsts.dsTop);
        controlList = new Vector();
        setOnKeyDown(new KeybordEvent() {

            public void Event(SDABaseControl ctrl, int keyCode) {
                //键盘
                doKeydown(keyCode);
            }
        });
        setOnPointerPressed(new PointerEvent() {

            public void Event(SDABaseControl ctrl, int x, int y) {
                //点
                doPointerPress(x, y);
            }
        });
    }

    public void paint() {
        if (!IsCanPaint()) {
            return;
        }
        Graphics g = form.getGraphics();
        SetClip(g);
        g.setFont(getFont());
        int thisWidth = getWidth();
        int thisHeight = getHeight();
        //框
        if (!transparent) {
            g.setColor(backColor);
            fillRect(g, 0, 0, thisWidth, thisHeight);
        }
        g.setColor(borderColor);
        drawRect(g, 0, 0, thisWidth, thisHeight);
        //画子组件
        PaintChilds();
        //画按钮和分割线
        paintButton(g);
        //焦点
        if (isFoucsed()) {
            g.setColor(SDAConsts.clFocusShadow);
            drawRect(g, 1, 1, thisWidth - 2, thisHeight - 2);
        }
        PaintChilds();
    }
    //计算设置按钮的宽度
    private void setButtonSize() {
        SDAToolButton button = null;
        int buttonHeight = getHeight() - 4;
        int buttonWidth = getWidth() - 4;
        Font ft = getFont();
        int fontheight = ft.getHeight();
        int num = 0;
        int buttonPos = 2;
        for (int i = 0; i < controlList.size(); i++) {
            if (controlList.elementAt(i) instanceof SDAToolButton) {
                button = (SDAToolButton) controlList.elementAt(i);
                if (autoSizeButton) {
                    if (buttonAlignType == SDAConsts.ktHorizontal) {
                        button.setHeight(buttonHeight);
                        button.setTop(2);
                        button.setLeft(buttonPos);
                        if (button.getImage() != null && button.getCaption().length() > 0 &&
                                (glyphAlignType == SDAConsts.blGlyphLeft || glyphAlignType == SDAConsts.blGlyphRight)) {
                            button.setWidth(ft.stringWidth(button.getCaption() + "xx") + button.getImage().getWidth());
                        } else {
                            num = ft.stringWidth(button.getCaption() + "xx");
                            if (button.getImage() != null) {
                                if (num < button.getImage().getWidth()) {
                                    num = button.getImage().getWidth();
                                }
                            }
                            button.setWidth(num);
                        }
                        buttonPos += button.getWidth() + 2;
                    } else {
                        button.setLeft(2);
                        button.setTop(buttonPos);
                        button.setWidth(buttonWidth);
                        if (button.getImage() != null && button.getCaption().length() > 0 &&
                                (glyphAlignType == SDAConsts.blGlyphTop || glyphAlignType == SDAConsts.blGlyphBottom)) {
                            button.setHeight(fontheight + 4 + button.getImage().getHeight());
                        } else {
                            num = fontheight + 2;
                            if (button.getImage() != null) {
                                if (num < button.getImage().getHeight() + 2) {
                                    num = button.getImage().getHeight() + 2;
                                }
                            }
                            button.setHeight(num);
                        }
                        buttonPos += button.getHeight() + 2;
                    }
                } else {
                    if (buttonAlignType == SDAConsts.ktHorizontal) {
                        button.setTop(2);
                        button.setLeft(buttonPos);
                        button.setHeight(buttonHeight);
                        button.setWidth(buttonSize);
                        buttonPos += button.getWidth() + 2;
                    } else {
                        button.setLeft(2);
                        button.setTop(buttonPos);
                        button.setWidth(buttonWidth);
                        button.setHeight(buttonSize);
                        buttonPos += button.getHeight() + 2;
                    }
                }
            } else {
                if (buttonAlignType == SDAConsts.ktHorizontal) {
                    buttonPos += ((SDAToolSeperator) controlList.elementAt(i)).getWidth();
                } else {
                    buttonPos += ((SDAToolSeperator) controlList.elementAt(i)).getHeight();
                }
            }
        }
    }
    //画按钮和分割
    private void paintButton(Graphics g) {
        int thisWidth = getWidth();
        int thisHeight = getHeight();
        Font ft = getFont();
        int fontHeight = ft.getHeight();
        //设置大小
        setButtonSize();
        //画
        int buttonPos = 2;
        SDAToolButton button = null;
        SDAToolSeperator sp = null;
        Image image = null;
        String caption = "";
        //画背景
        if (backImage != null) {
            if (stretchImage) {
                image = SDAImageUtils.processImage(backImage, thisWidth, thisHeight, SDAImageUtils.MODE_STRETCH);
            } else {
                image = backImage;
            }
            drawImage(g, image, 0, 0, 0);
        }
        if (buttonAlignType == SDAConsts.ktHorizontal) {
            for (int i = 0; i < controlList.size(); i++) {
                if (controlList.elementAt(i) instanceof SDAToolButton) {
                    button = (SDAToolButton) controlList.elementAt(i);
                    caption = button.getCaption();
                    if (showButtonRect) {
                        g.setColor(borderColor);
                        drawRect(g, buttonPos, 2, button.getWidth(), button.getHeight());
                    }
                    SetClip(g, buttonPos, 2, button.getWidth(), button.getHeight());
                    image = button.getImage();
                    //焦点按钮
                    if (button.equals(curButton)) {
                        g.setColor(focusButtonBackColor);
                        fillRect(g, buttonPos + 1, 3, button.getWidth() - 1, button.getHeight() - 1);
                        g.setColor(focusButtonForeColor);
                    }
                    if (image != null) {
                        if (showCaption && caption.length() > 0) {
                            if (glyphAlignType == SDAConsts.blGlyphTop) {
                                drawImage(g, image, buttonPos + (button.getWidth() - image.getWidth()) / 2 + 1,
                                        (button.getHeight() - image.getHeight() - fontHeight) / 2 + 3, 0);
                                drawString(g, caption, buttonPos + (button.getWidth() - ft.stringWidth(caption)) / 2 + 1,
                                        (button.getHeight() - image.getHeight() - fontHeight) / 2 + image.getHeight() + 3);
                            }
                            if (glyphAlignType == SDAConsts.blGlyphBottom) {
                                drawImage(g, image, buttonPos + (button.getWidth() - image.getWidth()) / 2 + 1,
                                        (button.getHeight() - image.getHeight() - fontHeight) / 2 + fontHeight + 3, 0);
                                drawString(g, caption, buttonPos + (button.getWidth() - ft.stringWidth(caption)) / 2 + 1,
                                        (button.getHeight() - image.getHeight() - fontHeight) / 2 + 3);
                            }
                            if (glyphAlignType == SDAConsts.blGlyphLeft) {
                                drawImage(g, image, buttonPos + (button.getWidth() - image.getWidth() - ft.stringWidth(caption) - 2) / 2 + 1,
                                        (button.getHeight() - image.getHeight()) / 2 + 3, 0);
                                drawString(g, caption, buttonPos + (button.getWidth() - ft.stringWidth(caption) - image.getWidth() - 2) / 2 + image.getWidth() + 3,
                                        (button.getHeight() - fontHeight) / 2 + 3);
                            }
                            if (glyphAlignType == SDAConsts.blGlyphRight) {
                                drawImage(g, image, buttonPos + (button.getWidth() - image.getWidth() - ft.stringWidth(caption) - 2) / 2 + ft.stringWidth(caption) + 3,
                                        (button.getHeight() - image.getHeight()) / 2 + 3, 0);
                                drawString(g, caption, buttonPos + (button.getWidth() - ft.stringWidth(caption) - image.getWidth() - 2) / 2 + 1,
                                        (button.getHeight() - fontHeight) / 2 + 3);
                            }

                        } else {
                            drawImage(g, image, buttonPos + (button.getWidth() - image.getWidth()) / 2 + 1,
                                    (button.getHeight() - image.getHeight()) / 2 + 3, 0);
                        }
                    } else {
                        if (showCaption) {
                            g.setColor(foreColor);
                            drawString(g, button.getCaption(), buttonPos + (button.getWidth() - ft.stringWidth(button.getCaption())) / 2 + 1,
                                    (button.getHeight() - fontHeight) / 2 + 3);
                        }
                    }
                    SetClip(g);
                    buttonPos += button.getWidth() + 2;
                } else {
                    sp = (SDAToolSeperator) controlList.elementAt(i);
                    if (!showButtonRect) {
                        g.setColor(borderColor);
                        drawLine(g, buttonPos + sp.getWidth() / 2 - 1, 4, buttonPos + sp.getWidth() / 2 - 1, thisHeight - 4);
                        g.setColor(0x00ffffff);
                        drawLine(g, buttonPos + sp.getWidth() / 2, 4, buttonPos + sp.getWidth() / 2, thisHeight - 4);
                    }
                    buttonPos += sp.getWidth();
                }
            }
        }

        if (buttonAlignType == SDAConsts.ktVertical) {
            for (int i = 0; i <
                    controlList.size(); i++) {
                if (controlList.elementAt(i) instanceof SDAToolButton) {
                    button = (SDAToolButton) controlList.elementAt(i);
                    caption = button.getCaption();
                    if (showButtonRect) {
                        g.setColor(borderColor);
                        drawRect(g, 2, buttonPos, button.getWidth(), button.getHeight());
                    }
                    SetClip(g, 2, buttonPos, button.getWidth(), button.getHeight());
                    image = button.getImage();
                    //焦点按钮
                    if (button.equals(curButton)) {
                        g.setColor(focusButtonBackColor);
                        fillRect(g, 3, buttonPos + 1, button.getWidth() - 1, button.getHeight() - 1);
                        g.setColor(focusButtonForeColor);
                    }
                    if (image != null) {
                        if (showCaption && caption.length() > 0) {
                            if (glyphAlignType == SDAConsts.blGlyphTop) {
                                drawImage(g, image, (button.getWidth() - image.getWidth()) / 2 + 3,
                                        buttonPos + (button.getHeight() - image.getHeight() - fontHeight) / 2 + 1, 0);
                                drawString(g, caption, (button.getWidth() - ft.stringWidth(caption)) / 2 + 3,
                                        buttonPos + (button.getHeight() - image.getHeight() - fontHeight) / 2 + image.getHeight() + 1);
                            }
                            if (glyphAlignType == SDAConsts.blGlyphBottom) {
                                drawImage(g, image, (button.getWidth() - image.getWidth()) / 2 + 3,
                                        buttonPos + (button.getHeight() - image.getHeight() - fontHeight) / 2 + fontHeight + 1, 0);
                                drawString(g, caption, (button.getWidth() - ft.stringWidth(caption)) / 2 + 3,
                                        buttonPos + (button.getHeight() - image.getHeight() - fontHeight) / 2 + 1);
                            }
                            if (glyphAlignType == SDAConsts.blGlyphLeft) {
                                drawImage(g, image, (button.getWidth() - image.getWidth() - ft.stringWidth(caption) - 2) / 2 + 3,
                                        buttonPos + (button.getHeight() - image.getHeight()) / 2 + 1, 0);
                                drawString(g, caption, (button.getWidth() - ft.stringWidth(caption) - image.getWidth() - 2) / 2 + image.getWidth() + 5,
                                        buttonPos + (button.getHeight() - fontHeight) / 2 + 1);
                            }
                            if (glyphAlignType == SDAConsts.blGlyphRight) {
                                drawImage(g, image, (button.getWidth() - image.getWidth() - ft.stringWidth(caption) - 2) / 2 + ft.stringWidth(caption) + 5,
                                        buttonPos + (button.getHeight() - image.getHeight()) / 2 + 1, 0);
                                drawString(g, caption, (button.getWidth() - ft.stringWidth(caption) - image.getWidth() - 2) / 2 + 3,
                                        buttonPos + (button.getHeight() - fontHeight) / 2 + 1);
                            }

                        } else {
                            drawImage(g, image, (button.getWidth() - image.getWidth()) / 2 + 3,
                                    buttonPos + (button.getHeight() - image.getHeight()) / 2 + 1, 0);
                        }
                    } else {
                        if (showCaption) {
                            g.setColor(foreColor);
                            //打字
                            drawString(g, String.valueOf(caption), (button.getWidth() - ft.stringWidth(caption)) / 2 + 3,
                                    buttonPos + 2);
                        }
                    }
                    SetClip(g);
                    buttonPos += button.getHeight() + 2;
                } else {
                    sp = (SDAToolSeperator) controlList.elementAt(i);
                    if (!showButtonRect) {
                        g.setColor(borderColor);
                        drawLine(g, 4, buttonPos + sp.getHeight() / 2 - 1, thisWidth - 4, buttonPos + sp.getHeight() / 2 - 1);
                        g.setColor(0x00ffffff);
                        drawLine(g, 4, buttonPos + sp.getHeight() / 2, thisWidth - 4, buttonPos + sp.getHeight() / 2);
                    }
                    buttonPos += sp.getHeight();
                }
            }
        }
    }

    //增加button
    public void addButton(SDAToolButton button) {
        if (!controlList.contains(button)) {
            controlList.addElement(button);
        }