sdabaseedit.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 cn.sda.event.BaseEditTextChangeEvent;
import cn.sda.event.KeybordEvent;
import cn.sda.event.NotifyEvent;
import cn.sda.event.PointerEvent;
import cn.sda.pinyin.InputInterface;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Font;

/**
 * @author not attributable
 * @version 1.0
 */
public class SDABaseEdit extends SDABaseControl implements InputInterface {
    //边框
    private int borderStyle = SDAConsts.bsNone;
    //是不是显示焦点框
    private boolean showFocusRect = false;
    //隐藏选定内容
    private boolean hideSelection = true;
    //最大长度
    private int maxLength = 32767;
    //是否显示多行
    private boolean multiLine = false;
    //密码
    private char passwordChar = 0;
    //只读
    protected boolean readOnly = false;
    //滚动边框(多行)
    private int scrollBars = SDAConsts.srNone;
    //文字对齐方式
    private int textAlign = SDAConsts.alignLeft;
    //是否自动换行(多行)
    private boolean wordWrap = true;
    private int barwidth = 10;
    //边框线颜色
    private int borderColor = SDAConsts.clBlack;
    //滚动条颜色
    private int scrollBarColor = SDAConsts.clBtnFace;
    //内部变量
    //行数，行最大长度
    private int lineNum = 0;
    private int maxLineLenght = 0;
    //垂直开始显示行
    private int startLine = 0;
    //水平开始显示位置
    private int startLeft = 0;
    //变动前位置
    private int oldStartLine = 0;
    private int oldStartLeft = 0;
    //行数
    private int lineNo = 0;
    //水平滚条位置
    private int HSLeft = 0;
    private int HSTop = 0;
    private int HSWidth = 0;
    private int HSHeight = 0;
    //垂直滚动条位置
    private int VSLeft = 0;
    private int VSTop = 0;
    private int VSWidth = 0;
    private int VSHeight = 0;
    //点击的滚动条的位置
    private int oldScrollPointx = 0;
    private int oldScrollPointy = 0;
    //按下滚动条
    private boolean isscrollbarpointdown = false;
    //记录按下的滚动条0:水平，1：垂直的
    private byte scrollbardownHV = 0;
    //当前光标位置
    private int cursorPos = 0;
    //光标行列
    private int cursorRow = 0;
    protected int cursorCol = 0;
    //光标绝对位置
    private int cursorX = 0;
    private int cursorY = 0;
    //选择行的起始位置和内容
    private int cursorLineStartPos = 0;
    private String cursorLineText = "";
    //前一行长度
    private int priorLineLen = 0;
    //临时buffer
    StringBuffer strBuffer = new StringBuffer();
    //对齐方式
    private int oldAlignType = SDAConsts.alignLeft;
    //输入法
    private int imeType = SDAInputPanel.imNone;
    //文字变动
    private BaseEditTextChangeEvent onTextChange = null;
    //
    Graphics gg = null;

    protected SDABaseEdit() {
        super();
        internalSDAEdit();
    }

    private void internalSDAEdit() {
        setVisible(true);
        setLeft(0);
        setTop(0);
        setBorderStyle(SDAConsts.bsFixedSingle);
        super.setWidth(60);
        //高度根据字体高度来
        setHeight(getFont().getHeight() + 4);
        super.setBackColor(SDAConsts.clWhite);

        onPointerPressed = new PointerEvent() {

            public void Event(SDABaseControl ctrl, int x, int y) {
                doPointerPressed(x, y);
            }
        };
        onPointerReleased = new PointerEvent() {

            public void Event(SDABaseControl ctrl, int x, int y) {
                doPointerReleased(x, y);
            }
        };
        onKeyUp = new KeybordEvent() {

            public void Event(SDABaseControl ctrl, int keyCode) {
                doKeyUp(keyCode);
            }
        };
        onInternalLostFocused = new NotifyEvent() {

            public void Event(SDABaseControl ctrl) {
                doLostFocus();
            }
        };
        onInternalFocused = new NotifyEvent() {

            public void Event(SDABaseControl ctrl) {
                doGetFocus();
            }
        };
    //设置系统菜单
        /*
    systemMenu=new SDAPopMenu();
    systemMenu.AddItem("back", "退格");
    systemMenu.AddItem("delete", "删除");
    systemMenu.AddItem("enter", "插入回车");
    systemMenu.AddItem("", "-");
    systemMenu.AddItem("ABC", "大写字母").setRadioItem(true);
    systemMenu.AddItem("abc", "小写字母").setRadioItem(true);
    systemMenu.AddItem("123", "数字").setRadioItem(true);
    systemMenu.AddItem("拼音", "中文拼音").setRadioItem(true);
    systemMenu.AddItem("标点", "插入标点").setRadioItem(true);
    systemMenu.AddItem("符号", "插入符号").setRadioItem(true);
    systemMenu.AddItem("", "-");
    systemMenu.AddItem("全", "全角");
    systemMenu.setOnClick(new PopMenuOnClickEvent() {
    public void Event(SDAMenuItem item, String itemName, String itemCaption) {
    //处理
    if(itemName.equals("back")){
    char ch=8;
    inputFuncChar(ch, false);
    }
    if(itemName.equals("delete")){
    char ch=46;
    inputFuncChar(ch, false);
    }
    if(itemName.equals("enter")){
    char ch=13;
    inputFuncChar(ch, false);
    }
    if (itemName.equals("ABC")) {
    form.Application.inputPanel.setImeType(SDAInputPanel.imUpperCase);
    }
    if (itemName.equals("abc")) {
    form.Application.inputPanel.setImeType(SDAInputPanel.imLowerCase);
    }
    if (itemName.equals("123")) {
    form.Application.inputPanel.setImeType(SDAInputPanel.imDigit);
    }
    if (itemName.equals("拼音")) {
    form.Application.inputPanel.setImeType(SDAInputPanel.imPinYin);
    }
    if (itemName.equals("标点")) {
    form.Application.inputPanel.setImeType(SDAInputPanel.imPoint);
    SDASelectPointForm.getInstance().open(getSelf());
    }
    if (itemName.equals("符号")) {
    form.Application.inputPanel.setImeType(SDAInputPanel.imSymbol);
    SDASelectSymbolForm.getInstance().open(getSelf());
    }
    if (itemName.equals("全")) {
    form.Application.inputPanel.setSBCCase(!form.Application.inputPanel.isSBCCase());
    item.setChecked(form.Application.inputPanel.isSBCCase());
    } else {
    item.setChecked(true);
    }
    }
    });
     */
    }

    public void paint() {
        internalPaint();
    }

    private void internalPaint() {
        if (!IsCanPaint()) {
            return;
        }
        Graphics g = form.getGraphics();
        gg = g;
        //设置字体
        g.setFont(getFont());
        gg.setFont(getFont());
        //可视下才画
        if (isVisible()) {
            //初始化引用变量
            int thisWidth = width;
            int thisHeight = height;
            int HBarWidth = getHBarWidth();
            int VBarHeight = getVBarHeight();
            int fontHeight = getFont().getHeight();
            //对齐方式处理后，画组件
            //外框
            SetClip(g);
            //透明
            if (!isTransparent()) {
                g.setColor(backColor);
                fillRect(g, 0, 0, thisWidth, thisHeight);
            }
            if (borderStyle == SDAConsts.bsFixed3D) {
                g.setColor(SDAConsts.clGray);
                drawLine(g, 0, 0, thisWidth, 0);
                drawLine(g, 0, 0, 0, thisHeight);
                g.setColor(SDAConsts.clBlack);
                drawLine(g, 1, 1, thisWidth - 1, 1);
                drawLine(g, 1, 1, 1, thisHeight - 1);
                g.setColor(SDAConsts.clBtnFace);
                drawLine(g, 2, thisHeight - 1, thisWidth - 2, thisHeight - 1);
                drawLine(g, thisWidth - 1, 2, thisWidth - 1, thisHeight - 1);
                g.setColor(SDAConsts.clWhite);
                drawLine(g, 1, thisHeight, thisWidth, thisHeight);
                drawLine(g, thisWidth, 1, thisWidth, thisHeight);
                if (isFoucsed() && showFocusRect) {
                    g.setColor(SDAConsts.clFocusShadow);
                    drawRect(g, 1, 1, thisWidth - 2, thisHeight - 2);
                }
            }
            if (borderStyle == SDAConsts.bsFixedSingle) {
                //边框
                g.setColor(getBorderColor());
                drawRect(g, 0, 0, thisWidth, thisHeight);
                if (isFoucsed() && showFocusRect) {
                    g.setColor(SDAConsts.clFocusShadow);
                    drawRect(g, 1, 1, thisWidth - 2, thisHeight - 2);
                }
            }
            //打字
            g.setColor(getForeColor());
            //文字对齐方式
            if (!isMultiLine()) {
                if (textAlign == SDAConsts.alignLeft) {
                    paintString(g, getText(), 2, (height - fontHeight) / 2);
                }
                if (textAlign == SDAConsts.alignCenter) {
                    //文字长度
                    int Len = getFont().stringWidth(getText());
                    int sleft = (thisWidth - Len) / 2;
                    paintString(g, getText(), sleft, (height - fontHeight) / 2);
                }
                if (textAlign == SDAConsts.alignRight) {
                    //文字长度
                    int Len = getFont().stringWidth(getText());
                    int sleft = (thisWidth - Len) - 1;
                    paintString(g, getText(), sleft, (height - fontHeight) / 2);
                }
            } else {
                paintString(g, getText(), 2, (height - fontHeight) / 2);
            }
            //多行滚动条
            if (borderStyle == SDAConsts.bsFixed3D) {
                SetClip(g, 2, 2, thisWidth - 2, height - 2);
            } else {
                SetClip(g, 1, 1, thisWidth - 1, height - 1);
            }
            if (isMultiLine()) {
                if ((scrollBars == SDAConsts.srHorizontal) || (scrollBars == SDAConsts.srBoth)) {
                    //水平
                    g.setColor(getScrollBarColor());
                    fillRect(g, 0, height - barwidth, barwidth, barwidth);
                    fillRect(g, HBarWidth - barwidth, height - barwidth, barwidth, barwidth);
                    g.setColor(getBorderColor());
                    drawRect(g, 0, thisHeight - barwidth, barwidth, barwidth);
                    drawRect(g, HBarWidth - barwidth, height - barwidth, barwidth, barwidth);
                    //滚动块
                    g.setColor(backColor);
                    fillRect(g, barwidth, height - barwidth, HBarWidth - 2 * barwidth, barwidth);
                    g.setColor(getBorderColor());
                    drawRect(g, barwidth, thisHeight - barwidth, HBarWidth - 2 * barwidth, barwidth);
                    //块大小
                    int pwidth = HBarWidth - 2 * barwidth;
                    if (!isWordWrap()) {
                        if (maxLineLenght > HBarWidth) {
                            pwidth = (HBarWidth * (HBarWidth - 2 * barwidth)) / maxLineLenght;
                        }
                    }
                    //计算块位置
                    int ppos = (startLeft * (HBarWidth - 2 * barwidth)) / maxLineLenght;
                    //修正位置
                    if (ppos + pwidth > HBarWidth - 2 * barwidth) {
                        ppos = HBarWidth - 2 * barwidth - pwidth;
                    }
                    //画块
                    g.setColor(getScrollBarColor());
                    fillRect(g, barwidth + ppos, thisHeight - barwidth, pwidth, barwidth);
                    g.setColor(getBorderColor());
                    drawRect(g, barwidth + ppos, thisHeight - barwidth, pwidth, barwidth);
                    //记录大小
                    HSLeft = barwidth + ppos;
                    HSTop = thisHeight - barwidth;
                    HSWidth = pwidth;
                    HSHeight = barwidth;
                    //画块上的线
                    int tpos = HSWidth / 2 + HSLeft;
                    drawRect(g, tpos, HSTop + 2, 0, HSHeight - 4);
                    if (tpos - 2 > HSLeft) {
                        drawRect(g, tpos - 2, HSTop + 2, 0, HSHeight - 4);
                    }
                    if (tpos + 2 < HSLeft + HSWidth) {
                        drawRect(g, tpos + 2, HSTop + 2, 0, HSHeight - 4);
                    }
                    //三角
                    g.setColor(getBorderColor());
                    fillTriangle(g, barwidth / 2 - 2, thisHeight - barwidth / 2,
                            barwidth / 2 + 2, thisHeight - barwidth / 2 - 4,
                            barwidth / 2 + 2, thisHeight - barwidth / 2 + 4);
                    fillTriangle(g, HBarWidth - barwidth + barwidth / 2 + 2, thisHeight - barwidth / 2,
                            HBarWidth - barwidth + barwidth / 2 - 2, thisHeight - barwidth / 2 - 4,
                            HBarWidth - barwidth + barwidth / 2 - 2, thisHeight - barwidth / 2 + 4);
                }
                if ((scrollBars == SDAConsts.srVertical) || (scrollBars == SDAConsts.srBoth)) {
                    //垂直
                    g.setColor(getScrollBarColor());
                    fillRect(g, thisWidth - barwidth, 0, barwidth, barwidth);
                    fillRect(g, thisWidth - barwidth, VBarHeight - barwidth, barwidth, barwidth);
                    g.setColor(getBorderColor());
                    drawRect(g, thisWidth - barwidth, 0, barwidth, barwidth);
                    drawRect(g, thisWidth - barwidth, VBarHeight - barwidth, barwidth, barwidth);
                    //滚动块
                    g.setColor(backColor);
                    fillRect(g, thisWidth - barwidth, barwidth, barwidth, VBarHeight - 2 * barwidth);
                    g.setColor(borderColor);
                    drawRect(g, thisWidth - barwidth, barwidth, barwidth, VBarHeight - 2 * barwidth);
                    //块大小
                    int pheight = VBarHeight - 2 * barwidth;
                    if (lineNum * getFont().getHeight() > VBarHeight) {
                        pheight = (VBarHeight * (VBarHeight - 2 * barwidth) / (lineNum * getFont().getHeight()));
                    }
                    //计算块位置
                    int ppos = barwidth;
                    if (lineNum > 0) {
                        ppos = (startLine * getFont().getHeight() * (VBarHeight - 2 * barwidth)) / (lineNum * getFont().getHeight());
                    }
                    //修正位置
                    if (ppos + pheight > VBarHeight - 2 * barwidth) {
                        ppos = VBarHeight - 2 * barwidth - pheight;
                    }
                    //画块
                    g.setColor(getScrollBarColor());