/**
* Draws a single task.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data plot area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the data.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
protected void drawTask(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
GanttCategoryDataset dataset,
int row,
int column) {
PlotOrientation orientation = plot.getOrientation();
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
// Y0
Number value0 = dataset.getEndValue(row, column);
if (value0 == null) {
return;
}
double java2dValue0 =
rangeAxis.valueToJava2D(value0.doubleValue(), dataArea, rangeAxisLocation);
// Y1
Number value1 = dataset.getStartValue(row, column);
if (value1 == null) {
return;
}
double java2dValue1 =
rangeAxis.valueToJava2D(value1.doubleValue(), dataArea, rangeAxisLocation);
if (java2dValue1 < java2dValue0) {
double temp = java2dValue1;
java2dValue1 = java2dValue0;
java2dValue0 = temp;
value1 = value0;
}
double rectStart = calculateBarW0(plot, orientation, dataArea, domainAxis, state, row, column);
double rectBreadth = state.getBarWidth();
double rectLength = Math.abs(java2dValue1 - java2dValue0);
Rectangle2D bar = null;
RectangleEdge barBase = null;
if (orientation == PlotOrientation.HORIZONTAL) {
bar = new Rectangle2D.Double(java2dValue0, rectStart, rectLength, rectBreadth);
barBase = RectangleEdge.LEFT;
} else if (orientation == PlotOrientation.VERTICAL) {
bar = new Rectangle2D.Double(rectStart, java2dValue1, rectBreadth, rectLength);
barBase = RectangleEdge.BOTTOM;
}
Rectangle2D completeBar = null;
Rectangle2D incompleteBar = null;
Number percent = dataset.getPercentComplete(row, column);
double start = getStartPercent();
double end = getEndPercent();
if (percent != null) {
double p = percent.doubleValue();
if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
completeBar =
new Rectangle2D.Double(
java2dValue0,
rectStart + start * rectBreadth,
rectLength * p,
rectBreadth * (end - start));
incompleteBar =
new Rectangle2D.Double(
java2dValue0 + rectLength * p,
rectStart + start * rectBreadth,
rectLength * (1 - p),
rectBreadth * (end - start));
} else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
completeBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
java2dValue1 + rectLength * (1 - p),
rectBreadth * (end - start),
rectLength * p);
incompleteBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
java2dValue1,
rectBreadth * (end - start),
rectLength * (1 - p));
}
}
if (getShadowsVisible()) {
getBarPainter().paintBarShadow(g2, this, row, column, bar, barBase, true);
}
getBarPainter().paintBar(g2, this, row, column, bar, barBase);
if (completeBar != null) {
g2.setPaint(getCompletePaint());
g2.fill(completeBar);
}
if (incompleteBar != null) {
g2.setPaint(getIncompletePaint());
g2.fill(incompleteBar);
}
// draw the outline...
if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
Stroke stroke = getItemOutlineStroke(row, column);
Paint paint = getItemOutlinePaint(row, column);
if (stroke != null && paint != null) {
g2.setStroke(stroke);
g2.setPaint(paint);
g2.draw(bar);
}
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, false);
}
// submit the current data point as a crosshair candidate
int datasetIndex = plot.indexOf(dataset);
Comparable columnKey = dataset.getColumnKey(column);
Comparable rowKey = dataset.getRowKey(row);
double xx =
domainAxis.getCategorySeriesMiddle(
columnKey, rowKey, dataset, getItemMargin(), dataArea, plot.getDomainAxisEdge());
updateCrosshairValues(
state.getCrosshairState(),
dataset.getRowKey(row),
dataset.getColumnKey(column),
value1.doubleValue(),
datasetIndex,
xx,
java2dValue1,
orientation);
// collect entity and tool tip information...
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
/**
* Draws the tasks/subtasks for one item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data plot area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the data.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
protected void drawTasks(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
GanttCategoryDataset dataset,
int row,
int column) {
int count = dataset.getSubIntervalCount(row, column);
if (count == 0) {
drawTask(g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column);
}
PlotOrientation orientation = plot.getOrientation();
for (int subinterval = 0; subinterval < count; subinterval++) {
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
// value 0
Number value0 = dataset.getStartValue(row, column, subinterval);
if (value0 == null) {
return;
}
double translatedValue0 =
rangeAxis.valueToJava2D(value0.doubleValue(), dataArea, rangeAxisLocation);
// value 1
Number value1 = dataset.getEndValue(row, column, subinterval);
if (value1 == null) {
return;
}
double translatedValue1 =
rangeAxis.valueToJava2D(value1.doubleValue(), dataArea, rangeAxisLocation);
if (translatedValue1 < translatedValue0) {
double temp = translatedValue1;
translatedValue1 = translatedValue0;
translatedValue0 = temp;
}
double rectStart =
calculateBarW0(plot, plot.getOrientation(), dataArea, domainAxis, state, row, column);
double rectLength = Math.abs(translatedValue1 - translatedValue0);
double rectBreadth = state.getBarWidth();
// DRAW THE BARS...
Rectangle2D bar = null;
RectangleEdge barBase = null;
if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
bar = new Rectangle2D.Double(translatedValue0, rectStart, rectLength, rectBreadth);
barBase = RectangleEdge.LEFT;
} else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
bar = new Rectangle2D.Double(rectStart, translatedValue0, rectBreadth, rectLength);
barBase = RectangleEdge.BOTTOM;
}
Rectangle2D completeBar = null;
Rectangle2D incompleteBar = null;
Number percent = dataset.getPercentComplete(row, column, subinterval);
double start = getStartPercent();
double end = getEndPercent();
if (percent != null) {
double p = percent.doubleValue();
if (orientation == PlotOrientation.HORIZONTAL) {
completeBar =
new Rectangle2D.Double(
translatedValue0,
rectStart + start * rectBreadth,
rectLength * p,
rectBreadth * (end - start));
incompleteBar =
new Rectangle2D.Double(
translatedValue0 + rectLength * p,
rectStart + start * rectBreadth,
rectLength * (1 - p),
rectBreadth * (end - start));
} else if (orientation == PlotOrientation.VERTICAL) {
completeBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
translatedValue0 + rectLength * (1 - p),
rectBreadth * (end - start),
rectLength * p);
incompleteBar =
new Rectangle2D.Double(
rectStart + start * rectBreadth,
translatedValue0,
rectBreadth * (end - start),
rectLength * (1 - p));
}
}
if (getShadowsVisible()) {
getBarPainter().paintBarShadow(g2, this, row, column, bar, barBase, true);
}
getBarPainter().paintBar(g2, this, row, column, bar, barBase);
if (completeBar != null) {
g2.setPaint(getCompletePaint());
g2.fill(completeBar);
}
if (incompleteBar != null) {
g2.setPaint(getIncompletePaint());
g2.fill(incompleteBar);
}
if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
g2.setStroke(getItemStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(bar);
}
if (subinterval == count - 1) {
// submit the current data point as a crosshair candidate
int datasetIndex = plot.indexOf(dataset);
Comparable columnKey = dataset.getColumnKey(column);
Comparable rowKey = dataset.getRowKey(row);
double xx =
domainAxis.getCategorySeriesMiddle(
columnKey, rowKey, dataset, getItemMargin(), dataArea, plot.getDomainAxisEdge());
updateCrosshairValues(
state.getCrosshairState(),
dataset.getRowKey(row),
dataset.getColumnKey(column),
value1.doubleValue(),
datasetIndex,
xx,
translatedValue1,
orientation);
}
// collect entity and tool tip information...
if (state.getInfo() != null) {
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
}
}