sdachart.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

                    min = (int) (minValue / minUnit) * minUnit;
                    sideInt = (int) ((maxValue > max ? 1 : 0) + (minValue < min ? 1 : 0));
                    //所有的数量
                    allInt = (int) ((max - min + sideInt) / minUnit);
                    if (ft.stringWidth(String.valueOf(max)) * allInt >= getWidth() - sint) {
                        minUnit = 5 * getMulValue(i);
                        max = (int) (maxValue / minUnit) * minUnit;
                        min = (int) (minValue / minUnit) * minUnit;
                        sideInt = (int) ((maxValue > max ? 1 : 0) + (minValue < min ? 1 : 0));
                        //所有的数量
                        allInt = (int) ((max - min + sideInt) / minUnit);
                        if (ft.stringWidth(String.valueOf(max)) * allInt >= getWidth() - sint) {
                            continue;
                        } else {
                            break;
                        }
                    } else {
                        break;
                    }
                } else {
                    break;
                }
            }
        //获取到合适的
        } else {
            //分割太稀(稠化)
            int iInt = 0;
            int mulInt = 1;
            for (int i = -1; i > -64; i--) {
                iInt = i;
                mulInt = 5;
                minUnit = 5 * getMulValue(i);
                max = (int) (maxValue / minUnit) * minUnit;
                min = (int) (minValue / minUnit) * minUnit;
                sideInt = (int) ((maxValue > max ? 1 : 0) + (minValue < min ? 1 : 0));
                //所有的数量
                allInt = (int) ((max - min + sideInt) / minUnit);
                if (ft.stringWidth(String.valueOf(max)) * allInt < getWidth() - sint) {
                    mulInt = 2;
                    minUnit = 2 * getMulValue(i);
                    max = (int) (maxValue / minUnit) * minUnit;
                    min = (int) (minValue / minUnit) * minUnit;
                    sideInt = (int) ((maxValue > max ? 1 : 0) + (minValue < min ? 1 : 0));
                    //所有的数量
                    allInt = (int) ((max - min + sideInt) / minUnit);
                    if (ft.stringWidth(String.valueOf(max)) * allInt < getWidth() - sint) {
                        mulInt = 1;
                        minUnit = getMulValue(i);
                        max = (int) (maxValue / minUnit) * minUnit;
                        min = (int) (minValue / minUnit) * minUnit;
                        sideInt = (int) ((maxValue > max ? 1 : 0) + (minValue < min ? 1 : 0));
                        //所有的数量
                        allInt = (int) ((max - min + sideInt) / minUnit);
                        if (ft.stringWidth(String.valueOf(max)) * allInt < getWidth() - sint) {
                            continue;
                        } else {
                            break;
                        }
                    } else {
                        break;
                    }
                } else {
                    break;
                }
            }
            if (mulInt == 5) {
                mulInt = 1;
            }
            if (mulInt == 2) {
                mulInt = 5;
            }
            minUnit = mulInt * getMulValue(iInt + 1);
        }
        maxXValue = maxValue > max ? max + minUnit : max;
        minXValue = minValue < min ? min - minUnit : min;
        return minUnit;
    }

    //画标尺
    private void paintScale(Graphics g, boolean canPaint) {
        int thisWidth = getWidth();
        int thisHeight = getHeight();
        Font ft = getFont();
        //排序
        sortValue();
        //Y方向
        double yScale = calYScale();
        //画y刻度
        yLen = thisHeight - (showFootText ? 2 * ft.getHeight() + 4 : ft.getHeight() + 4) - (showTitleText ? ft.getHeight() : 0);
        int id = 0;
        double scaleValue = minYValue;
        //y值最大的宽度
        int maxYValueWidth = ft.stringWidth(String.valueOf(maxYValue)) > ft.stringWidth(String.valueOf(minYValue)) ? ft.stringWidth(String.valueOf(maxYValue)) : ft.stringWidth(String.valueOf(minYValue));
        int scaleLeft = maxYValueWidth + (showAxisText ? ft.getHeight() : 0);
        int scaleStart = thisHeight - (showFootText ? 2 * ft.getHeight() + 4 : ft.getHeight() + 4);
        int scalepos = 0;
        int selfLen = 0;
        if (canPaint) {
            while (scaleValue <= maxYValue) {
                scalepos = (int) (yLen * id / ((maxYValue - minYValue) / yScale));
                if (scaleStart - scalepos - ft.getHeight() / 2 + 1 >= 0) {
                    selfLen = maxYValueWidth - ft.stringWidth(String.valueOf(scaleValue));
                    drawString(g, String.valueOf(scaleValue), showAxisText ? ft.getHeight() + selfLen : selfLen, scaleStart - scalepos - ft.getHeight() / 2 + 1);
                }
                if (showRefLine) {
                    if (scaleValue != minYValue) {
                        g.setColor(refLineColor);
                        g.setStrokeStyle(Graphics.DOTTED);
                        drawLine(g, scaleLeft, scaleStart - scalepos, thisWidth, scaleStart - scalepos);
                        g.setColor(foreColor);
                        g.setStrokeStyle(Graphics.SOLID);
                    }
                }
                //画刻度
                drawLine(g, scaleLeft, scaleStart - scalepos, scaleLeft + 4, scaleStart - scalepos);
                scaleValue += yScale;
                id++;
            }
        }
        //竖线
        if (canPaint) {
            drawLine(g, scaleLeft + 4, showTitleText ? ft.getHeight() : 0, scaleLeft + 4, scaleStart);
        }
        yStartPos = scaleStart;
        //X方向
        double xScale = calXScale();
        //画x刻度
        //ys = (int) ((thisWidth - (scaleLeft + 4)) / ((maxXValue - minXValue) / xScale));
        xLen = thisWidth - (scaleLeft + 4);
        id = 0;
        scaleValue = minXValue;
        int scaleTop = showFootText ? 2 * ft.getHeight() + 4 : ft.getHeight() + 4;
        //x值 
        if (canPaint) {
            while (scaleValue <= maxXValue) {
                scalepos = (int) (xLen * id / ((maxXValue - minXValue) / xScale));
                if (scaleValue < maxXValue) {
                    drawString(g, String.valueOf(scaleValue), scaleLeft + 4 + scalepos - (ft.stringWidth(String.valueOf(scaleValue))) / 2, thisHeight - scaleTop + 4);
                }
                //画刻度
                if (showRefLine) {
                    if (scaleValue != minXValue) {
                        g.setColor(refLineColor);
                        g.setStrokeStyle(Graphics.DOTTED);
                        drawLine(g, scaleLeft + 4 + scalepos, thisHeight - scaleTop, scaleLeft + 4 + scalepos, yStartPos - yLen);
                        g.setColor(foreColor);
                        g.setStrokeStyle(Graphics.SOLID);
                    }
                }
                drawLine(g, scaleLeft + 4 + scalepos, thisHeight - scaleTop, scaleLeft + 4 + scalepos, thisHeight - scaleTop + 4);
                scaleValue += xScale;
                id++;
            }
        }
        //横线
        if (canPaint) {
            drawLine(g, scaleLeft + 4, getHeight() - scaleTop, getWidth(), getHeight() - scaleTop);
        }
        xStartPos = scaleLeft + 4;
        //xLen = thisWidth - xStartPos;
        SetClip(g);
        //外框
        if (canPaint) {
            drawRect(g, xStartPos, yStartPos - yLen, xLen, yLen);
        }
        //文字
        if (canPaint) {
            if (showAxisText) {
                int textWidth = axisText.length() * ft.getHeight();
                int fontHeight = ft.getHeight();
                int startPos = (getHeight() - textWidth) / 2 + 1;
                char ch = 0;
                for (int i = 0; i < axisText.length(); i++) {
                    ch = axisText.charAt(i);
                    drawString(g, String.valueOf(ch), (fontHeight - ft.charWidth(ch)) / 2, startPos + i * fontHeight);
                }
            }
        }
        if (canPaint) {
            if (showFootText) {
                int textWidth = ft.stringWidth(footText);
                int fontHeight = ft.getHeight();
                int startPos = (thisWidth - textWidth) / 2 + 1;
                drawString(g, footText, startPos, thisHeight - fontHeight);
            }
        }
        if (showTitleText) {
            int textWidth = ft.stringWidth(titleText);
            int startPos = (thisWidth - textWidth) / 2 + 1;
            drawString(g, titleText, startPos, 0);
        }
    }
    //画series线
    private void paintLineSeries(Graphics g, SDAChartSeries series) {
        SDAChartSeries.PointData pd = null;
        SDAChartSeries.PointData pd1 = null;
        Font ft = getFont();
        int fontHeight = ft.getHeight();
        int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
        int mack = series.getMarksBackColor();
        byte type = series.getMarkValueType();
        String value = "";
        series.calPercent();
        for (int i = 0; i < series.getDataCount() - 1; i++) {
            pd = series.getData(i);
            x1 = getXPos(pd.xValue);
            y1 = getYPos(pd.yValue);
            pd1 = series.getData(i + 1);
            x2 = getXPos(pd1.xValue);
            y2 = getYPos(pd1.yValue);
            //线
            g.setColor(series.getLineColor());
            drawLine(g, x1, y1, x2, y2);
            //画点
            if (series.isShowPoint()) {
                g.setColor(pd.color);
                fillRect(g, x1 - 2, y1 - 2, 4, 4);
                g.setColor(foreColor);
                drawRect(g, x1 - 2, y1 - 2, 4, 4);
            }
            //画标识
            if (series.isShowMarks()) {
                if (type == SDAChartSeries.svNone) {
                    value = "";
                }
                if (type == SDAChartSeries.svValue) {
                    value = String.valueOf(pd.yValue);
                }
                if (type == SDAChartSeries.svXValue) {
                    value = String.valueOf(pd.xValue);
                }
                if (type == SDAChartSeries.svPercent) {
                    value = pd.percent;
                }
                if (type == SDAChartSeries.svXYValue) {
                    value = pd.xValue + "/" + pd.yValue;
                }
                if (type == SDAChartSeries.svXValuePercent) {
                    value = pd.xValue + "/" + pd.percent;
                }
                if (type == SDAChartSeries.svLabel) {
                    value = pd.label;
                }
                if (type == SDAChartSeries.svLabelValue) {
                    value = pd.label + "/" + pd.yValue;
                }
                if (type == SDAChartSeries.svLabelPercent) {
                    value = pd.label + "/" + pd.percent;
                }
                if (value.length() > 0) {
                    g.setColor(foreColor);
                    drawLine(g, x1, y1, x1, y1 - 6);
                    g.setColor(mack);
                    fillRect(g, x1 - (ft.stringWidth(value)) / 2 + 1, y1 - 6 - fontHeight, ft.stringWidth(value) + 3, fontHeight);
                    g.setColor(foreColor);
                    drawRect(g, x1 - (ft.stringWidth(value)) / 2 + 1, y1 - 6 - fontHeight, ft.stringWidth(value) + 3, fontHeight);
                    drawString(g, value, x1 - (ft.stringWidth(value)) / 2 + 3, y1 - 6 - fontHeight);
                }
            }
        }
        if (pd1 != null) {
            if (series.isShowPoint()) {
                g.setColor(pd1.color);
                fillRect(g, x2 - 2, y2 - 2, 4, 4);
                g.setColor(foreColor);
                drawRect(g, x2 - 2, y2 - 2, 4, 4);
            }
            if (series.isShowMarks()) {
                if (type == SDAChartSeries.svNone) {
                    value = "";
                }
                if (type == SDAChartSeries.svValue) {
                    value = String.valueOf(pd1.yValue);
                }
                if (type == SDAChartSeries.svXValue) {
                    value = String.valueOf(pd1.xValue);
                }
                if (type == SDAChartSeries.svPercent) {
                    value = pd1.percent;
                }
                if (type == SDAChartSeries.svXYValue) {
                    value = pd1.xValue + "/" + pd1.yValue;
                }
                if (type == SDAChartSeries.svXValuePercent) {
                    value = pd1.xValue + "/" + pd1.percent;
                }
                if (type == SDAChartSeries.svLabel) {
                    value = pd1.label;
                }
                if (type == SDAChartSeries.svLabelValue) {
                    value = pd1.label + "/" + pd1.yValue;
                }
                if (type == SDAChartSeries.svLabelPercent) {
                    value = pd1.label + "/" + pd1.percent;
                }
                if (value.length() > 0) {
                    g.setColor(foreColor);
                    drawLine(g, x2, y2, x2, y2 - 6);
                    g.setColor(mack);
                    fillRect(g, x2 - (ft.stringWidth(value)) / 2 + 1, y2 - 6 - fontHeight, ft.stringWidth(value) + 3, fontHeight);
                    g.setColor(foreColor);
                    drawRect(g, x2 - (ft.stringWidth(value)) / 2 + 1, y2 - 6 - fontHeight, ft.stringWidth(value) + 3, fontHeight);
                    drawString(g, value, x2 - (ft.stringWidth(value)) / 2 + 3, y2 - 6 - fontHeight);
                }
            }
        }
    }
    //散点图
    private void paintPointSeries(Graphics g, SDAChartSeries series) {
        SDAChartSeries.PointData pd = null;
        Font ft = getFont();
        int fontHeight = ft.getHeight();
        int x1 = 0, y1 = 0;
        int mack = series.getMarksBackColor();
        byte type = series.getMarkValueType();
        String value = "";
        series.calPercent();
        for (int i = 0; i < series.getDataCount(); i++) {
            pd = series.getData(i);
            x1 = getXPos(pd.xValue);
            y1 = getYPos(pd.yValue);
            //画点
            if (series.isShowPoint()) {
                g.setColor(pd.color);
                fillRect(g, x1 - 2, y1 - 2, 4, 4);
                g.setColor(foreColor);
                drawRect(g, x1 - 2, y1 - 2, 4, 4);
            }
            //画标识