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

            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);
                }
            }
        }
    }
    //柱图
    private void paintBarSeries(Graphics g, SDAChartSeries series) {
        SDAChartSeries.PointData pd = null;
        Font ft = getFont();
        int fontHeight = ft.getHeight();
        int x1 = 0, y1 = 0, y2 = getYPos(0);
        int mack = series.getMarksBackColor();
        byte type = series.getMarkValueType();
        String value = "";
        series.calPercent();
        SetClip(g, xStartPos + 1, yStartPos - yLen + 1, xLen - 1, yLen - 1);
        for (int i = 0; i < series.getDataCount(); i++) {
            pd = series.getData(i);
            x1 = getXPos(pd.xValue);
            y1 = getYPos(pd.yValue);
            //柱
            if (y1 > y2) {
                g.setColor(pd.color);
                fillRect(g, x1 - barChartWidth / 2, y2, barChartWidth, y1 - y2);
                g.setColor(foreColor);
                drawRect(g, x1 - barChartWidth / 2, y2, barChartWidth, y1 - y2);
            } else {
                g.setColor(pd.color);
                fillRect(g, x1 - barChartWidth / 2, y1, barChartWidth, y2 - y1);
                g.setColor(foreColor);
                drawRect(g, x1 - barChartWidth / 2, y1, barChartWidth, y2 - y1);
            }
            //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) {
                    if (y1 < y2) {
                        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);
                    } else {
                        g.setColor(foreColor);
                        drawLine(g, x1, y1, x1, y1 + 6);
                        g.setColor(mack);
                        fillRect(g, x1 - (ft.stringWidth(value)) / 2 + 1, y1 + 6, ft.stringWidth(value) + 3, fontHeight);
                        g.setColor(foreColor);
                        drawRect(g, x1 - (ft.stringWidth(value)) / 2 + 1, y1 + 6, ft.stringWidth(value) + 3, fontHeight);
                        drawString(g, value, x1 - (ft.stringWidth(value)) / 2 + 3, y1 + 6);
                    }
                }
            }
        }
    }
    //饼图
    private void paintPieSeries(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();
        int pieTop = showTitleText ? fontHeight + 8 : 8;
        int pieWidth = getWidth() - 8 - (series.isShowPieLegend() ? series.getPieLegendWidth() : 0);
        int pieHeight = getHeight() - pieTop;
        SetClip(g, 1, pieTop - 2, width, height);
        double startAngle = 0;
        double angle = 0;
        g.setColor(foreColor);
        fillArc(g, pieWidth / 2 + 4, pieHeight / 2 + pieTop - 2, pieWidth + 2, pieHeight + 2, 0, 360);
        //图例
        if (series.isShowPieLegend()) {
            g.setColor(foreColor);
            drawRect(g, pieWidth + 8, pieTop, series.getPieLegendWidth() - 1, series.getDataCount() * fontHeight);
        }
        for (int i = 0; i < series.getDataCount(); i++) {
            pd = series.getData(i);
            x1 = getXPos(pd.xValue);
            y1 = getYPos(pd.yValue);
            //角度
            angle = 360 * pd.dpercent / 100;
            //饼图            
            g.setColor(pd.color);
            fillArc(g, pieWidth / 2 + 4, pieHeight / 2 + pieTop - 2, pieWidth, pieHeight, (int) startAngle, (int) angle + 1);
            startAngle += angle;
            //画标识
            if (series.isShowPieLegend()) {
                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(pd.color);
                    fillRect(g, pieWidth + 10, pieTop + 1 + i * fontHeight + (fontHeight - 8) / 2, 8, 8);
                    g.setColor(foreColor);
                    drawRect(g, pieWidth + 10, pieTop + 1 + i * fontHeight + (fontHeight - 8) / 2, 8, 8);
                    g.setColor(foreColor);
                    drawString(g, value, pieWidth + 20, pieTop + 1 + i * fontHeight);
                }
            }
        }
    }
    //根据点得到实际位置
    private int getXPos(double x) {
        return (int) (xStartPos + (x - minXValue) * xLen / (maxXValue - minXValue));
    }

    private int getYPos(double y) {
        return (int) (yStartPos - (y - minYValue) * yLen / (maxYValue - minYValue)) + 1;
    }
    //图表增加删除
    public void addSeries(SDAChartSeries series) {
        if (!seriesList.contains(series)) {
            seriesList.addElement(series);
            series.setChart(this);
            repaintControl();
        }
    }

    public void removeSeries(SDAChartSeries series) {
        if (seriesList.contains(series)) {
            seriesList.removeElement(series);
            repaintControl();
        }
    }

    public void removeSeries(int index) {
        if (index > -1 && index < seriesList.size()) {
            seriesList.removeElementAt(index);
            repaintControl();
        }
    }
    //属性
    public String getAxisText() {
        return axisText;
    }

    public void setAxisText(String axisText) {
        this.axisText = axisText;
    }

    public int getAxisTextAlign() {
        return axisTextAlign;
    }

    public void setAxisTextAlign(int axisTextAlign) {
        this.axisTextAlign = axisTextAlign;
    }

    public int getBorderColor() {
        return borderColor;
    }

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

    public String getFootText() {
        return footText;
    }

    public void setFootText(String footText) {
        this.footText = footText;
    }

    public int getFootTextAlign() {
        return footTextAlign;
    }

    public void setFootTextAlign(int footTextAlign) {
        this.footTextAlign = footTextAlign;
    }

    public int getScaleLineColor() {
        return scaleLineColor;
    }

    public void setScaleLineColor(int scaleLineColor) {
        this.scaleLineColor = scaleLineColor;
    }

    public String getTitleText() {
        return titleText;
    }

    public void setTitleText(String titleText) {
        this.titleText = titleText;
    }

    public int getTitleTextAlign() {
        return titleTextAlign;
    }

    public void setTitleTextAlign(int titleTextAlign) {
        this.titleTextAlign = titleTextAlign;
    }

    public boolean isShowAxisText() {
        return showAxisText;
    }

    public void setShowAxisText(boolean showAxisText) {
        this.showAxisText = showAxisText;
    }

    public boolean isShowFootText() {
        return showFootText;
    }

    public void setShowFootText(boolean showFootText) {
        this.showFootText = showFootText;
    }

    public boolean isShowTitleText() {
        return showTitleText;
    }

    public void setShowTitleText(boolean showTitleText) {
        this.showTitleText = showTitleText;
    }

    public int getRefLineColor() {
        return refLineColor;
    }

    public void setRefLineColor(int refLineColor) {
        this.refLineColor = refLineColor;
    }

    public int getBarChartWidth() {
        return barChartWidth;
    }

    public void setBarChartWidth(int barChartWidth) {
        this.barChartWidth = barChartWidth;
    }
}