lecho.lib.hellocharts.model.Column Java Examples

private void calculateMaxViewportForStacked(ColumnChartData data) {
    for (Column column : data.getColumns()) {
        float sumPositive = baseValue;
        float sumNegative = baseValue;
        for (SubcolumnValue columnValue : column.getValues()) {
            if (columnValue.getValue() >= baseValue) {
                sumPositive += columnValue.getValue();
            } else {
                sumNegative += columnValue.getValue();
            }
        }
        if (sumPositive > tempMaximumViewport.top) {
            tempMaximumViewport.top = sumPositive;
        }
        if (sumNegative < tempMaximumViewport.bottom) {
            tempMaximumViewport.bottom = sumNegative;
        }
    }
}
 

private ColumnChartData generateColumnData() {
    int numSubcolumns = 1;
    int numColumns = 12;
    // Column can have many subcolumns, here by default I use 1 subcolumn in each of 8 columns.
    List<Column> columns = new ArrayList<Column>();
    List<SubcolumnValue> values;
    for (int i = 0; i < numColumns; ++i) {

        values = new ArrayList<SubcolumnValue>();
        for (int j = 0; j < numSubcolumns; ++j) {
            values.add(new SubcolumnValue((float) Math.random() * 50 + 5, ChartUtils.COLOR_GREEN));
        }

        columns.add(new Column(values));
    }

    ColumnChartData columnChartData = new ColumnChartData(columns);
    return columnChartData;
}
 

private static List<Column> getColumns(@ColorInt int color) {
    final List<Column> columns = new ArrayList<>();
    for (int i = 0; i < segments; i++) {

        final List<SubcolumnValue> values = new ArrayList<>();
        SubcolumnValue val = new SubcolumnValue(((float) ((int) (Math.random() * 10f))) / 10 + 0, color);

        setLabelForSubcolumn(val);
        values.add(val);
        // SubcolumnValue valBehind = new SubcolumnValue(val.getValue(), Color.GREEN);
        //setLabelForSubcolumn(val);
        // values.add(valBehind);

        final Column column = new Column(values);
        column.setHasImmutable(true);
        column.setHasLabels(true);
        column.setHasLabelsOnlyForSelected(true);
        columns.add(column);
    }

    return columns;
}
 

private static List<Column> getColumns(@ColorInt int color) {
    final List<Column> columns = new ArrayList<>();
    for (int i = 0; i < segments; i++) {

        final List<SubcolumnValue> values = new ArrayList<>();
        SubcolumnValue val = new SubcolumnValue(((float) ((int) (Math.random() * 10f))) / 10 + 0, color);

        setLabelForSubcolumn(val);
        values.add(val);
        // SubcolumnValue valBehind = new SubcolumnValue(val.getValue(), Color.GREEN);
        //setLabelForSubcolumn(val);
        // values.add(valBehind);

        final Column column = new Column(values);
        column.setHasImmutable(true);
        column.setHasLabels(true);
        column.setHasLabelsOnlyForSelected(true);
        columns.add(column);
    }

    return columns;
}
 

private ColumnChartData generateColumnChartData() {
    int numSubcolumns = 1;
    int numColumns = 12;
    // Column can have many subcolumns, here by default I use 1 subcolumn in each of 8 columns.
    List<Column> columns = new ArrayList<Column>();
    List<SubcolumnValue> values;
    for (int i = 0; i < numColumns; ++i) {

        values = new ArrayList<SubcolumnValue>();
        for (int j = 0; j < numSubcolumns; ++j) {
            values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
        }

        columns.add(new Column(values));
    }

    ColumnChartData data = new ColumnChartData(columns);

    data.setAxisXBottom(new Axis().setName("Axis X"));
    data.setAxisYLeft(new Axis().setName("Axis Y").setHasLines(true));
    return data;

}
 

private void checkTouchForStacked(float touchX, float touchY) {
    touchedPoint.x = touchX;
    touchedPoint.y = touchY;
    final ColumnChartData data = dataProvider.getColumnChartData();
    final float columnWidth = calculateColumnWidth();
    int columnIndex = 0;
    for (Column column : data.getColumns()) {
        // canvas is not needed for checking touch
        processColumnForStacked(null, column, columnWidth, columnIndex, MODE_CHECK_TOUCH);
        ++columnIndex;
    }
}
 

private void drawColumnsForSubcolumns(Canvas canvas) {
    final ColumnChartData data = dataProvider.getColumnChartData();
    final float columnWidth = calculateColumnWidth();
    int columnIndex = 0;
    for (Column column : data.getColumns()) {
        processColumnForSubcolumns(canvas, column, columnWidth, columnIndex, MODE_DRAW);
        ++columnIndex;
    }
}
 

private void checkTouchForSubcolumns(float touchX, float touchY) {
    // Using member variable to hold touch point to avoid too much parameters in methods.
    touchedPoint.x = touchX;
    touchedPoint.y = touchY;
    final ColumnChartData data = dataProvider.getColumnChartData();
    final float columnWidth = calculateColumnWidth();
    int columnIndex = 0;
    for (Column column : data.getColumns()) {
        // canvas is not needed for checking touch
        processColumnForSubcolumns(null, column, columnWidth, columnIndex, MODE_CHECK_TOUCH);
        ++columnIndex;
    }
}
 

private void generateNegativeSubcolumnsData() {

            int numSubcolumns = 4;
            int numColumns = 4;
            List<Column> columns = new ArrayList<Column>();
            List<SubcolumnValue> values;
            for (int i = 0; i < numColumns; ++i) {

                values = new ArrayList<SubcolumnValue>();
                for (int j = 0; j < numSubcolumns; ++j) {
                    int sign = getSign();
                    values.add(new SubcolumnValue((float) Math.random() * 50f * sign + 5 * sign, ChartUtils.pickColor
                            ()));
                }

                Column column = new Column(values);
                column.setHasLabels(hasLabels);
                column.setHasLabelsOnlyForSelected(hasLabelForSelected);
                columns.add(column);
            }

            data = new ColumnChartData(columns);

            if (hasAxes) {
                Axis axisX = new Axis();
                Axis axisY = new Axis().setHasLines(true);
                if (hasAxesNames) {
                    axisX.setName("Axis X");
                    axisY.setName("Axis Y");
                }
                data.setAxisXBottom(axisX);
                data.setAxisYLeft(axisY);
            } else {
                data.setAxisXBottom(null);
                data.setAxisYLeft(null);
            }

            chart.setColumnChartData(data);
        }
 

private void drawColumnForStacked(Canvas canvas) {
    final ColumnChartData data = dataProvider.getColumnChartData();
    final float columnWidth = calculateColumnWidth();
    // Columns are indexes from 0 to n, column index is also column X value
    int columnIndex = 0;
    for (Column column : data.getColumns()) {
        processColumnForStacked(canvas, column, columnWidth, columnIndex, MODE_DRAW);
        ++columnIndex;
    }
}
 

private void highlightColumnForStacked(Canvas canvas) {
    final ColumnChartData data = dataProvider.getColumnChartData();
    final float columnWidth = calculateColumnWidth();
    // Columns are indexes from 0 to n, column index is also column X value
    Column column = data.getColumns().get(selectedValue.getFirstIndex());
    processColumnForStacked(canvas, column, columnWidth, selectedValue.getFirstIndex(), MODE_HIGHLIGHT);
}
 

/**
 * To animate values you have to change targets values and then call {@link Chart#startDataAnimation()}
 * method(don't confuse with View.animate()).
 */
private void prepareDataAnimation() {
    for (Column column : data.getColumns()) {
        for (SubcolumnValue value : column.getValues()) {
            value.setTarget((float) Math.random() * 100);
        }
    }
}
 

private void processColumnForStacked(Canvas canvas, Column column, float columnWidth, int columnIndex, int mode) {
    final float rawX = computator.computeRawX(columnIndex);
    final float halfColumnWidth = columnWidth / 2;
    float mostPositiveValue = baseValue;
    float mostNegativeValue = baseValue;
    float subcolumnBaseValue = baseValue;
    int valueIndex = 0;
    for (SubcolumnValue columnValue : column.getValues()) {
        columnPaint.setColor(columnValue.getColor());
        if (columnValue.getValue() >= baseValue) {
            // Using values instead of raw pixels make code easier to
            // understand(for me)
            subcolumnBaseValue = mostPositiveValue;
            mostPositiveValue += columnValue.getValue();
        } else {
            subcolumnBaseValue = mostNegativeValue;
            mostNegativeValue += columnValue.getValue();
        }
        final float rawBaseY = computator.computeRawY(subcolumnBaseValue);
        final float rawY = computator.computeRawY(subcolumnBaseValue + columnValue.getValue());
        calculateRectToDraw(columnValue, rawX - halfColumnWidth, rawX + halfColumnWidth, rawBaseY, rawY);
        switch (mode) {
            case MODE_DRAW:
                drawSubcolumn(canvas, column, columnValue, true);
                break;
            case MODE_HIGHLIGHT:
                highlightSubcolumn(canvas, column, columnValue, valueIndex, true);
                break;
            case MODE_CHECK_TOUCH:
                checkRectToDraw(columnIndex, valueIndex);
                break;
            default:
                // There no else, every case should be handled or exception will
                // be thrown
                throw new IllegalStateException("Cannot process column in mode: " + mode);
        }
        ++valueIndex;
    }
}
 

private void highlightSubcolumn(Canvas canvas, Column column, SubcolumnValue columnValue, int valueIndex,
                                boolean isStacked) {
    if (selectedValue.getSecondIndex() == valueIndex) {
        columnPaint.setColor(columnValue.getDarkenColor());
        canvas.drawRect(drawRect.left - touchAdditionalWidth, drawRect.top, drawRect.right + touchAdditionalWidth,
                drawRect.bottom, columnPaint);
        if (column.hasLabels() || column.hasLabelsOnlyForSelected()) {
            drawLabel(canvas, column, columnValue, isStacked, labelOffset);
        }
    }
}
 

/**
 * Generates columns with subcolumns, columns have larger separation than subcolumns.
 */
private void generateSubcolumnsData() {
    int numSubcolumns = 4;
    int numColumns = 4;
    // Column can have many subcolumns, here I use 4 subcolumn in each of 8 columns.
    List<Column> columns = new ArrayList<Column>();
    List<SubcolumnValue> values;
    for (int i = 0; i < numColumns; ++i) {

        values = new ArrayList<SubcolumnValue>();
        for (int j = 0; j < numSubcolumns; ++j) {
            values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
        }

        Column column = new Column(values);
        column.setHasLabels(hasLabels);
        column.setHasLabelsOnlyForSelected(hasLabelForSelected);
        columns.add(column);
    }

    data = new ColumnChartData(columns);

    if (hasAxes) {
        Axis axisX = new Axis();
        Axis axisY = new Axis().setHasLines(true);
        if (hasAxesNames) {
            axisX.setName("Axis X");
            axisY.setName("Axis Y");
        }
        data.setAxisXBottom(axisX);
        data.setAxisYLeft(axisY);
    } else {
        data.setAxisXBottom(null);
        data.setAxisYLeft(null);
    }

    chart.setColumnChartData(data);

}
 

private void generateDefaultData() {
    int numSubcolumns = 1;
    int numColumns = 50;
    List<Column> columns = new ArrayList<Column>();
    List<SubcolumnValue> values;
    for (int i = 0; i < numColumns; ++i) {

        values = new ArrayList<SubcolumnValue>();
        for (int j = 0; j < numSubcolumns; ++j) {
            values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
        }

        columns.add(new Column(values));
    }

    data = new ColumnChartData(columns);
    data.setAxisXBottom(new Axis());
    data.setAxisYLeft(new Axis().setHasLines(true));

    // prepare preview data, is better to use separate deep copy for preview chart.
    // set color to grey to make preview area more visible.
    previewData = new ColumnChartData(data);
    for (Column column : previewData.getColumns()) {
        for (SubcolumnValue value : column.getValues()) {
            value.setColor(ChartUtils.DEFAULT_DARKEN_COLOR);
        }
    }

}
 

private void generateDefaultData() {
    int numSubcolumns = 1;
    int numColumns = 8;
    // Column can have many subcolumns, here by default I use 1 subcolumn in each of 8 columns.
    List<Column> columns = new ArrayList<Column>();
    List<SubcolumnValue> values;
    for (int i = 0; i < numColumns; ++i) {

        values = new ArrayList<SubcolumnValue>();
        for (int j = 0; j < numSubcolumns; ++j) {
            values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
        }

        Column column = new Column(values);
        column.setHasLabels(hasLabels);
        column.setHasLabelsOnlyForSelected(hasLabelForSelected);
        columns.add(column);
    }

    data = new ColumnChartData(columns);

    if (hasAxes) {
        Axis axisX = new Axis();
        Axis axisY = new Axis().setHasLines(true);
        if (hasAxesNames) {
            axisX.setName("Axis X");
            axisY.setName("Axis Y");
        }
        data.setAxisXBottom(axisX);
        data.setAxisYLeft(axisY);
    } else {
        data.setAxisXBottom(null);
        data.setAxisYLeft(null);
    }

    chart.setColumnChartData(data);

}
 

private void calculateMaxViewportForSubcolumns(ColumnChartData data) {
    for (Column column : data.getColumns()) {
        for (SubcolumnValue columnValue : column.getValues()) {
            if (columnValue.getValue() >= baseValue && columnValue.getValue() > tempMaximumViewport.top) {
                tempMaximumViewport.top = columnValue.getValue();
            }
            if (columnValue.getValue() < baseValue && columnValue.getValue() < tempMaximumViewport.bottom) {
                tempMaximumViewport.bottom = columnValue.getValue();
            }
        }
    }
}
 

private void setUpChartColumns() {
    List<Column> chartColumns = getChartColumns();
    List<AxisValue> chartAxisPoints = getChartAxisPoints();
    List<AxisValue> chartAxisValues = getChartAxisValues();

    ColumnChartData chartData = new ColumnChartData()
            .setColumns(chartColumns);
    chartData.setAxisXBottom(new Axis()
            .setValues(chartAxisPoints));
    chartData.setAxisYLeft(new Axis()
            .setValues(chartAxisValues));

    chart.setColumnChartData(chartData);
}
 

public static float getMaxYvalue(ColumnChartData lineData) {
    float max_height = 0.2f;
    for (Column col : lineData.getColumns()) {
        final SubcolumnValue sub = col.getValues().get(0);
        final float val = Math.max(sub.getValue(), sub.getImmutableOriginValue());
        if (val > max_height) {
            max_height = val;
        }
    }
    return max_height;
}
 

public static float getTotalImmutableBasal(final ColumnChartData columnChartData) {
    float total = 0;
    for (final Column column : columnChartData.getColumns()) {
        total += column.getValues().get(0).getImmutableOriginValue();
    }
    return total;
}
 

public static float getTotalBasal(final ColumnChartData columnChartData) {
    float total = 0;
    for (final Column column : columnChartData.getColumns()) {
        total += column.getValues().get(0).getValue();
    }
    return total;
}
 

public static float getMaxYvalue(ColumnChartData lineData) {
    float max_height = 0.2f;
    for (Column col : lineData.getColumns()) {
        final SubcolumnValue sub = col.getValues().get(0);
        final float val = Math.max(sub.getValue(), sub.getImmutableOriginValue());
        if (val > max_height) {
            max_height = val;
        }
    }
    return max_height;
}
 

public static float getTotalImmutableBasal(final ColumnChartData columnChartData) {
    float total = 0;
    for (final Column column : columnChartData.getColumns()) {
        total += column.getValues().get(0).getImmutableOriginValue();
    }
    return total;
}
 

public static float getTotalBasal(final ColumnChartData columnChartData) {
    float total = 0;
    for (final Column column : columnChartData.getColumns()) {
        total += column.getValues().get(0).getValue();
    }
    return total;
}
 

private void initColumnChart(){//创建柱状图
    columnChartView=new ColumnChartView(this);
    int columnWidth=(int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,400, getResources().getDisplayMetrics());
    int columnHeigth=(int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,400, getResources().getDisplayMetrics());
    RelativeLayout.LayoutParams columnChartParams=new RelativeLayout.LayoutParams(columnWidth,columnHeigth);
    columnChartParams.addRule(RelativeLayout.CENTER_HORIZONTAL);
    columnChartParams.addRule(RelativeLayout.CENTER_VERTICAL);
    List<Column>columnList=new ArrayList<>();
    List<SubcolumnValue> values;
    for (int i=0;i<5;++i){
        values=new ArrayList<SubcolumnValue>();
        values.add(new SubcolumnValue((float)typesNum.get(i),colorData[i]));
        Column column=new Column(values);
        column.setHasLabels(false);
        column.setHasLabelsOnlyForSelected(true);
        columnList.add(column);
    }
    ColumnChartData columnChartData=new ColumnChartData(columnList);
    Axis axis=new Axis();
    Axis axiy=new Axis().setHasLines(true);
    List<AxisValue>axisValues=new ArrayList<>();
    for (int j=0;j<5;++j){
        axisValues.add(new AxisValue(j).setLabel(stateChar[j]));
    }
    axis.setValues(axisValues);
    axis.setName("类别");
    axiy.setName("数量");
    columnChartData.setAxisXBottom(axis);
    columnChartData.setAxisYLeft(axiy);
    columnChartView.setColumnChartData(columnChartData);
    relativeLayout.addView(columnChartView,columnChartParams);
}
 

private void outputAttachmentStats(List<Integer> attachments) {
    int i = 0;
    for (Column column : getBinding().ccvAttachment.getChartData().getColumns()) {
        for (SubcolumnValue subcolumnValue : column.getValues()) {
            subcolumnValue.setTarget(attachments.get(i));
        }
        i++;
    }
    getBinding().ccvAttachment.startDataAnimation();
}
 

private void outputModelsStats(List<Integer> addedModels) {
    int i = 0;
    for (Column column : getBinding().ccvModels.getChartData().getColumns()) {
        for (SubcolumnValue subcolumnValue : column.getValues()) {
            subcolumnValue.setTarget(addedModels.get(i));
        }
        i++;
    }
    getBinding().ccvModels.startDataAnimation();
}
 

private void generateColumnData() {

            int numSubcolumns = 1;
            int numColumns = months.length;

            List<AxisValue> axisValues = new ArrayList<AxisValue>();
            List<Column> columns = new ArrayList<Column>();
            List<SubcolumnValue> values;
            for (int i = 0; i < numColumns; ++i) {

                values = new ArrayList<SubcolumnValue>();
                for (int j = 0; j < numSubcolumns; ++j) {
                    values.add(new SubcolumnValue((float) Math.random() * 50f + 5, ChartUtils.pickColor()));
                }

                axisValues.add(new AxisValue(i).setLabel(months[i]));

                columns.add(new Column(values).setHasLabelsOnlyForSelected(true));
            }

            columnData = new ColumnChartData(columns);

            columnData.setAxisXBottom(new Axis(axisValues).setHasLines(true));
            columnData.setAxisYLeft(new Axis().setHasLines(true).setMaxLabelChars(2));

            chartBottom.setColumnChartData(columnData);

            // Set value touch listener that will trigger changes for chartTop.
            chartBottom.setOnValueTouchListener(new ValueTouchListener());

            // Set selection mode to keep selected month column highlighted.
            chartBottom.setValueSelectionEnabled(true);

            chartBottom.setZoomType(ZoomType.HORIZONTAL);

            // chartBottom.setOnClickListener(new View.OnClickListener() {
            //
            // @Override
            // public void onClick(View v) {
            // SelectedValue sv = chartBottom.getSelectedValue();
            // if (!sv.isSet()) {
            // generateInitialLineData();
            // }
            //
            // }
            // });

        }
 

private void generateNegativeStackedData() {

            int numSubcolumns = 4;
            int numColumns = 8;
            // Column can have many stacked subcolumns, here I use 4 stacke subcolumn in each of 4 columns.
            List<Column> columns = new ArrayList<Column>();
            List<SubcolumnValue> values;
            for (int i = 0; i < numColumns; ++i) {

                values = new ArrayList<SubcolumnValue>();
                for (int j = 0; j < numSubcolumns; ++j) {
                    int sign = getSign();
                    values.add(new SubcolumnValue((float) Math.random() * 20f * sign + 5 * sign, ChartUtils.pickColor()));
                }

                Column column = new Column(values);
                column.setHasLabels(hasLabels);
                column.setHasLabelsOnlyForSelected(hasLabelForSelected);
                columns.add(column);
            }

            data = new ColumnChartData(columns);

            // Set stacked flag.
            data.setStacked(true);

            if (hasAxes) {
                Axis axisX = new Axis();
                Axis axisY = new Axis().setHasLines(true);
                if (hasAxesNames) {
                    axisX.setName("Axis X");
                    axisY.setName("Axis Y");
                }
                data.setAxisXBottom(axisX);
                data.setAxisYLeft(axisY);
            } else {
                data.setAxisXBottom(null);
                data.setAxisYLeft(null);
            }

            chart.setColumnChartData(data);
        }