/* * To change this template, choose Tools | Templates * and open the template in the editor. */package cn.sda.ui;import cn.sda.event.KeybordEvent;import cn.sda.event.ListViewSelectChangeEvent;import cn.sda.event.ListViewSelectItemEvent;import cn.sda.event.PointerEvent;import java.util.Vector;import javax.microedition.lcdui.Graphics;import javax.microedition.lcdui.Image;import javax.microedition.lcdui.Font;/** * @author not attributable * @version 1.0 */public class SDAListView extends SDABaseControl {    //邊框    private int borderStyle = SDAConsts.bsFixedSingle;    //滾動(dòng)邊框(多行)    private int scrollBars = SDAConsts.srNone;    private int barwidth = 10;    //邊框線顏色    private int borderColor = SDAConsts.clBlack;    //滾動(dòng)條顏色    private int scrollBarColor = SDAConsts.clBtnFace;    //選中的項(xiàng)目的顏色    private int itemFocusedRectColor = SDAConsts.clBtnShadow;    private int itemFocusedFontColor = SDAConsts.clActiveCaption;    //列    private int colCount = 3;    //行    private int rowHeight = 40;    private boolean autoRowHeight = false;    //內(nèi)部變量    //行數(shù)，行最大長(zhǎng)度    private int maxLenght = 0;    private int maxHeight = 0;    //垂直開始顯示位置    private int startTop = 0;    //水平開始顯示位置    private int startLeft = 0;    //變動(dòng)前位置    private int oldStartLine = 0;    private int oldStartLeft = 0;    //水平滾條位置    private int HSLeft = 0;    private int HSTop = 0;    private int HSWidth = 0;    private int HSHeight = 0;    //垂直滾動(dòng)條位置    private int VSLeft = 0;    private int VSTop = 0;    private int VSWidth = 0;    private int VSHeight = 0;    //點(diǎn)擊的滾動(dòng)條的位置    private int oldScrollPointx = 0;    private int oldScrollPointy = 0;    //按下滾動(dòng)條    private boolean isscrollbarpointdown = false;    //記錄按下的滾動(dòng)條0:水平，1：垂直的    private byte scrollbardownHV = 0;    //項(xiàng)目管理    private Vector itemList = null;    //但前選中項(xiàng)    private SDAListViewItem curItem = null;    //最大列，最大行    private int maxCol = 0;    private int maxRow = 0;    //是否顯示文字    private boolean showItemText = false;    private boolean showItemRect = true;    //事件    private ListViewSelectChangeEvent onSelectChange = null;    private ListViewSelectItemEvent onSelectItem = null;    public SDAListView() {        super();        internalSDAListView();    }    private void internalSDAListView() {        itemList = new Vector();        this.setVisible(true);        setLeft(0);        setTop(0);        setBorderStyle(SDAConsts.bsFixedSingle);        super.setWidth(160);        setHeight(100);        super.setBackColor(SDAConsts.clWhite);        this.onPointerPressed = new PointerEvent() {            public void Event(SDABaseControl ctrl, int x, int y) {                doPointerPressed(x, y);            }        };        this.onPointerReleased = new PointerEvent() {            public void Event(SDABaseControl ctrl, int x, int y) {                doPointerReleased(x, y);            }        };        this.onKeyUp = new KeybordEvent() {            public void Event(SDABaseControl ctrl, int keyCode) {                doKeyUp(keyCode);            }        };    }    //畫    public void paint() {        internalPaint();    }    private void internalPaint() {        if (!IsCanPaint()) {            return;        }        Graphics g = form.getGraphics();        g.setFont(getFont());        InternalPaint(g);    }    protected void InternalPaint(Graphics g) {        //可視下才畫        if (isVisible()) {            //初始化引用變量            int thisWidth = getWidth();            int thisHeight = getHeight();            int HBarWidth = getHBarWidth();            int VBarHeight = getVBarHeight();            //對(duì)齊方式處理后，畫組件            //設(shè)置字體            g.setFont(super.getFont());            //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()) {                    g.setColor(SDAConsts.clFocusShadow);                    drawRect(g, 1, 1, thisWidth - 2, thisHeight - 2);                }            }            if (borderStyle == SDAConsts.bsFixedSingle) {                //邊框                g.setColor(this.getBorderColor());                drawRect(g, 0, 0, thisWidth, thisHeight);                if (isFoucsed()) {                    g.setColor(SDAConsts.clFocusShadow);                    drawRect(g, 1, 1, thisWidth - 2, thisHeight - 2);                }            }            //畫項(xiàng)目            paintItems(g);            //滾動(dòng)條            if (borderStyle == SDAConsts.bsFixed3D) {                SetClip(g, 2, 2, thisWidth - 2, thisHeight - 2);            } else {                SetClip(g, 1, 1, thisWidth - 1, thisHeight - 1);            }            if ((scrollBars == SDAConsts.srHorizontal) || (scrollBars == SDAConsts.srBoth)) {                //水平                g.setColor(scrollBarColor);                fillRect(g, 0, thisHeight - barwidth, barwidth, barwidth);                fillRect(g, HBarWidth - barwidth, thisHeight - barwidth, barwidth, barwidth);                g.setColor(getBorderColor());                drawRect(g, 0, thisHeight - barwidth, barwidth, barwidth);                drawRect(g, HBarWidth - barwidth, thisHeight - barwidth, barwidth, barwidth);                //滾動(dòng)塊                g.setColor(backColor);                fillRect(g, barwidth, thisHeight - barwidth, HBarWidth - 2 * barwidth, barwidth);                g.setColor(this.getBorderColor());                drawRect(g, barwidth, thisHeight - barwidth, HBarWidth - 2 * barwidth, barwidth);                //塊大小                int pwidth = HBarWidth - 2 * barwidth;                if (maxLenght > HBarWidth) {                    pwidth = ((HBarWidth) * (HBarWidth - 2 * barwidth)) / maxLenght;                }                //計(jì)算塊位置                int ppos = (startLeft * (HBarWidth - 2 * barwidth)) / maxLenght;                //修正位置                if (ppos + pwidth > HBarWidth - 2 * barwidth) {                    ppos = HBarWidth - 2 * barwidth - pwidth;                }                //畫塊                g.setColor(scrollBarColor);                fillRect(g, barwidth + ppos, thisHeight - barwidth, pwidth, barwidth);                g.setColor(getBorderColor());                drawRect(g, barwidth + ppos, thisHeight - barwidth, pwidth, barwidth);                //記錄大小                HSLeft = barwidth + ppos;                HSTop = thisHeight - barwidth;                HSWidth = pwidth;                HSHeight = barwidth;                //畫塊上的線                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(scrollBarColor);                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);                //滾動(dòng)塊                g.setColor(backColor);                fillRect(g, thisWidth - barwidth, barwidth, barwidth, VBarHeight - 2 * barwidth);                g.setColor(getBorderColor());                drawRect(g, thisWidth - barwidth, barwidth, barwidth, VBarHeight - 2 * barwidth);                //塊大小                                    int pheight = VBarHeight - 2 * barwidth;                if (maxHeight > VBarHeight) {                    pheight = ((VBarHeight) * (VBarHeight - 2 * barwidth) / maxHeight);                }                //計(jì)算塊位置                int ppos = barwidth;                if (maxHeight > 0) {                    ppos = (startTop * (VBarHeight - 2 * barwidth)) / maxHeight;                }                //修正位置                if (ppos + pheight > VBarHeight - 2 * barwidth) {                    ppos = VBarHeight - 2 * barwidth - pheight;                }                //畫塊                g.setColor(scrollBarColor);                fillRect(g, thisWidth - barwidth, barwidth + ppos, barwidth, pheight);                g.setColor(getBorderColor());                drawRect(g, thisWidth - barwidth, barwidth + ppos, barwidth, pheight);                //記錄大小                VSLeft = thisWidth - barwidth;                VSTop = barwidth + ppos;                VSWidth = barwidth;                VSHeight = pheight;                //畫塊上的線                int tpos = VSHeight / 2 + VSTop;                drawRect(g, VSLeft + 2, tpos, barwidth - 4, 0);                if (tpos - 2 > VSTop) {                    drawRect(g, VSLeft + 2, tpos - 2, VSWidth - 4, 0);                }                if (tpos + 2 < VSTop + VSHeight) {                    drawRect(g, VSLeft + 2, tpos + 2, VSWidth - 4, 0);                }                //三角                g.setColor(getBorderColor());                fillTriangle(g, thisWidth - barwidth + barwidth / 2, barwidth / 2 - 2,                        thisWidth - barwidth + barwidth / 2 - 4, barwidth / 2 + 2,                        thisWidth - barwidth + barwidth / 2 + 4, barwidth / 2 + 2);                fillTriangle(g, thisWidth - barwidth + barwidth / 2 - 4, VBarHeight - barwidth + barwidth / 2 - 2,                        thisWidth - barwidth + barwidth / 2 + 4, VBarHeight - barwidth + barwidth / 2 - 2,                        thisWidth - barwidth + barwidth / 2, VBarHeight - barwidth / 2 + 2);            }            PaintChilds();        }