private void drawRuler(final GanttRenderingData data) {
ruler.draw(
data.getDurations(),
data.getGraphics(),
data.getGraphics().getClipping().x,
data.getGraphics().getClipping().width);
}
private void drawDurations(final GanttRenderingData data, final GanttDraw ganttDrawData) {
colorByTypeMap.clear();
for (final IDuration d : data.getDurations()) {
drawDurationItem(data, d, ganttDrawData);
if (d.contains(data.getMarker())) {
data.setMarkerAt(d);
}
}
}
private IDrawableRuler computeScaler(final GanttRenderingData data) {
final Rectangle dataScreenArea = getDataArea(data);
if (data.isLog()) {
List<Span> spans = new ArrayList<Span>(Span.valueOfDurations(data.getDurations()));
if (data.getDurations().size() > 0) {
ITaskDuration first = data.getDurations().get(0);
ITaskDuration last = data.getDurations().get(data.getDurations().size() - 1);
Span emptyBefore = Span.valueOf(data.getLogspan().getStart(), first.getStartTime());
spans.add(0, emptyBefore);
Span emptyAfter =
Span.valueOf(last.getStartTime() + last.getDurationTime(), data.getLogspan().getEnd());
spans.add(emptyAfter);
}
return new FixedMidPointRuler(
dataScreenArea.x, dataScreenArea.width, data.getTransform(), data.getMarker(), spans);
} else {
long firstDuration = data.getLogspan().getStart();
long lastDuration = 0;
if (data.getMarker() <= 0) {
lastDuration = (long) (firstDuration + ((TIME_RANGE / data.getZoomLevel()) / 2));
} else {
firstDuration = (long) (data.getMarker() - ((TIME_RANGE / data.getZoomLevel()) / 2));
if (firstDuration < 0) {
firstDuration = data.getLogspan().getStart();
}
lastDuration = (long) (data.getMarker() + ((TIME_RANGE / data.getZoomLevel()) / 2));
}
return new SimpleLinearScaleRuler(
data.getMarker(),
Span.valueOf(firstDuration, lastDuration),
Span.valueOf(dataScreenArea.x, dataScreenArea.width));
}
}
@SuppressWarnings("unchecked")
GanttDraw draw(final GanttRenderingData data, final boolean drawB) {
// Check pre-conditions JEKB ugly fix data.getDurations() == null
if ((data.getDurations() == null) || (data.getDurations().size() < 1)) {
drawEmpty(data);
return ClassicGantRenderer.EMPTY_GANTT_DRAW;
}
Collections.sort(data.getDurations());
// compute a ruler only when drawB is drawn.
if (drawB) {
ruler = computeScaler(data);
}
// Graphics Setup
data.getGraphics().setAntialias(SWT.OFF);
data.getGraphics().setFont(font);
final GanttDraw ganttDrawData = new GanttDraw(data.getGraphics(), ruler);
lanes.clear();
int laneIndex = 0;
for (final IArtifact user : data.getTasks()) {
final TaskLaneEntry entry = new TaskLaneEntry(user);
entry.setLane(laneIndex++);
lanes.put(user.getName(), entry);
}
drawColumnNames(data, lanes, ganttDrawData);
drawGrid(data, laneIndex);
final Rectangle clipping = data.getGraphics().getClipping();
data.getGraphics()
.setClipping(
new Rectangle(
data.getBounds().x,
data.getBounds().y,
data.getBounds().width,
data.getBounds().height));
this.typeReg = TypeRegistry.getInstance();
data.getGraphics().setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
data.getGraphics().setBackground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
if (drawB) {
drawDurations(data, ganttDrawData);
drawMarker(data);
drawRuler(data);
LegendRenderer r = new LegendRenderer();
r.drawLegend(
data.getGraphics().getClipping().width / 2,
Graphics.valueOf(data.getGraphics()),
colorByTypeMap,
false);
}
data.getGraphics().setClipping(clipping);
data.setDrawnSize(
new Point(
data.getBounds().width,
ClassicGantRenderer.LANE_START + (lanes.size() + 1) * ClassicGantRenderer.LANE_HEIGHT));
// if (drawB) {
ganttDrawData.setBounds(SWTUtil.convert(data.getBounds()));
// } else {
// }
return ganttDrawData;
}
