def updateLines(self): pen = QPen(QColor.fromHsl(0, 100, 100)) sortedNodes = sorted(self.nodes, key=lambda x: x.pos().x()) for index in range(len(self.nodes)-1): node = sortedNodes[index] nextNode = sortedNodes[index+1] if index < len(self.lines): # Just update the line segment lineItem = self.lines[index] else: # Create a new line segment lineItem = QGraphicsLineItem() lineItem.setZValue(250) lineItem.setPen(pen) self.histogramWidget.scene().addItem(lineItem) self.lines.append(lineItem) line = QLineF(node.pos(), nextNode.pos()) lineItem.setLine(line) # Clean up redundent lines if len(self.lines) >= len(self.nodes): # Remove the redundant line segments from the scene for index in range(len(self.nodes)-1, len(self.lines)): lineItem = self.lines[index] self.histogramWidget.scene().removeItem(lineItem) # Delete the line segments from the list del self.lines[len(self.nodes)-1:] assert len(self.lines) == len(self.nodes) - 1 self.histogramWidget._scene.update()
def updateLines(self):
pen = QPen(QColor.fromHsl(0, 100, 100))
sortedNodes = sorted(self.nodes, key=lambda x: x.pos().x())
for index in range(len(self.nodes) - 1):
node = sortedNodes[index]
nextNode = sortedNodes[index + 1]
if index < len(self.lines):
# Just update the line segment
lineItem = self.lines[index]
else:
# Create a new line segment
lineItem = QGraphicsLineItem()
lineItem.setZValue(250)
lineItem.setPen(pen)
self.histogramWidget.scene().addItem(lineItem)
self.lines.append(lineItem)
line = QLineF(node.pos(), nextNode.pos())
lineItem.setLine(line)
# Clean up redundent lines
if len(self.lines) >= len(self.nodes):
# Remove the redundant line segments from the scene
for index in range(len(self.nodes) - 1, len(self.lines)):
lineItem = self.lines[index]
self.histogramWidget.scene().removeItem(lineItem)
# Delete the line segments from the list
del self.lines[len(self.nodes) - 1:]
assert len(self.lines) == len(self.nodes) - 1
self.histogramWidget._scene.update()
def finish_bar(self):
if self.insignificant_values > 0:
self.add_bar(self.insignificant_values, QBrush(Qt.lightGray), None,
True, None)
if len(self.values) == 0:
return
total_width = 0
for w, h, brush, hoover_text, order_part in self.values:
total_width += w
gi = QGraphicsLineItem(self.start_x, self.base_y - self.bar_height,
self.start_x + total_width + self.bar_width * 2,
self.base_y - self.bar_height)
gi.setPen(QPen(Qt.lightGray))
self.scene.addItem(gi)
gi = QGraphicsLineItem(self.start_x, self.base_y,
self.start_x + total_width + self.bar_width * 2,
self.base_y)
gi.setPen(QPen(Qt.lightGray))
self.scene.addItem(gi)
gi = QGraphicsLineItem(self.start_x,
self.base_y - self.bar_height * 0.25,
self.start_x + total_width + self.bar_width * 2,
self.base_y - self.bar_height * 0.25)
gi.setPen(QPen(Qt.lightGray))
self.scene.addItem(gi)
gi = QGraphicsLineItem(self.start_x,
self.base_y - self.bar_height * 0.75,
self.start_x + total_width + self.bar_width * 2,
self.base_y - self.bar_height * 0.75)
gi.setPen(QPen(Qt.lightGray))
self.scene.addItem(gi)
self.current_x = self.start_x + self.bar_width
for w, h, brush, hoover_text, order_part in self.values:
self._draw_bar(w, h, brush, hoover_text, order_part)
def draw(self, scene, y):
span_height = 15
flag_height = span_height * 1.2
min_time, max_time = day_span(self.base_time)
# Draw a time line
nb_hours = 12
length = self.time_to_x(self.base_time +
timedelta(float(nb_hours) / 24.0))
scene.addLine(QLineF(0, y, length, y), QPen(Qt.gray))
x = self.base_time - timedelta(0,
seconds=self.base_time.second,
minutes=self.base_time.minute,
microseconds=self.base_time.microsecond)
end_x = self.base_time + timedelta(hours=12)
while x <= end_x:
tx = self.time_to_x(x)
scene.addLine(QLineF(tx, y - 5, tx, y + 5), QPen(Qt.gray))
description = QGraphicsSimpleTextItem()
description.setText(str(x.hour))
description.setPos(tx + 5, y) # y - br.height()/2)
description.setBrush(QBrush(Qt.gray))
scene.addItem(description)
x = x + timedelta(hours=1)
# Draw spans
total_time = timedelta(0)
for start, end, description in self.spans:
mainlog.debug("Span : {} -> {}".format(start, end))
s = self.time_to_x(max(min_time, start))
e = self.time_to_x(min(max_time, end))
total_time += end - start
# mainlog.debug("Total time += {}".format(end - start))
glass_path(scene, s, y - span_height / 2, e - s, span_height,
QColor(self.span_color))
r = HooverBar(QRect(s, y - span_height / 2, e - s, span_height),
None)
if not description:
r.description = [
_("Duration"),
duration_to_hm((end - start).total_seconds() / 3600.0)
]
elif isinstance(description, list):
r.description = description
else:
r.description = [description]
scene.addItem(r)
# Make the timeline clickable
r = QGraphicsRectItem(QRect(0, 0, length, 30), None)
scene.addItem(r)
r.setPos(0, y - 15)
r.setPen(QPen(Qt.transparent))
r.setCursor(Qt.PointingHandCursor)
r.setFlags(r.flags() | QGraphicsItem.ItemIsSelectable)
r.setData(0, self.task)
# Draw flags
for t, kind, data, hoover_text in self.flags:
x = self.time_to_x(t)
# mainlog.debug("Drawing a flag on {} at {}".format(t,x))
l = QGraphicsLineItem(0.0, float(-flag_height), 0.0,
float(+flag_height), None)
l.setPen(QPen(Qt.black))
scene.addItem(l)
l.setPos(x, y)
#scene.addLine ( QLineF(x,y-flag_height,x,y+flag_height), QPen(Qt.black) )
if kind == Timeline.START:
scene.addRect(QRect(x, y - flag_height, 5, 5), QPen(Qt.black),
QBrush(Qt.black))
scene.addRect(QRect(x, y + flag_height - 5, 5, 5),
QPen(Qt.black), QBrush(Qt.black))
elif kind == Timeline.END:
scene.addRect(QRect(x - 5, y - flag_height, 5, 5),
QPen(Qt.black), QBrush(Qt.black))
scene.addRect(QRect(x - 5, y + flag_height - 5, 5, 5),
QPen(Qt.black), QBrush(Qt.black))
r = HooverBar(QRect(0, 0, 10, 2 * flag_height), None)
r.description = hoover_text
scene.addItem(r)
r.setPos(x - 5, y - flag_height)
r.setPen(QPen(Qt.transparent))
# item = scene.addRect ( QRect(x-5,y-flag_height,10,2*flag_height), QPen(Qt.white))
r.setCursor(Qt.PointingHandCursor)
r.setFlags(r.flags() | QGraphicsItem.ItemIsSelectable)
r.setData(0, data)
# Timeline's text
description = QGraphicsSimpleTextItem()
duration = ""
if total_time.seconds > 60 or total_time.days > 0:
duration = " - " + duration_to_hm(
total_time.total_seconds() / 3600.0)
tname = self.task_name.replace('\n', ' ')
if len(tname) > 80:
tname = tname[0:80] + u"..."
description.setText(u"{}{}".format(tname, duration))
br = QRect(0, 0,
description.boundingRect().width(),
description.boundingRect().height())
description.setPos(0,
y - br.height() - flag_height) # y - br.height()/2)
r = QGraphicsRectItem(QRect(0, 0,
br.width() + 10,
br.height() + 10), None)
r.setPos(-5,
y - 5 - br.height() - flag_height) # y - br.height()/2 - 5)
r.setPen(QPen(Qt.transparent))
r.setBrush(QBrush(QColor(255, 255, 255, 128)))
scene.addItem(r)
scene.addItem(description)
def draw_line(self, linef):
line = QGraphicsLineItem(linef)
line.setPen(QPen(QBrush(QColor(0, 0, 0)), 1))
self.addItem(line)
def draw_line(self, linef):
line = QGraphicsLineItem(linef)
line.setPen(QPen(QBrush(QColor(0, 0, 0)), 1))
self.addItem(line)
