def __init__(self, scroll):
super(EventsWidget, self).__init__()
self._scroll = scroll
# Timeline background color
palette = self.palette()
palette.setColor(self.backgroundRole(), QtCore.Qt.white)
self.setPalette(palette)
self._tracks = [Track(parent=self)] # List of tracks
self._pointer = TimelinePointer(0, self) # Timeline ( greenline )
self.tracks_height = 60
self._first_track = self._tracks[0]
def __init__(self, scroll):
super(EventsWidget, self).__init__()
self._scroll = scroll
# Timeline background color
palette = self.palette()
palette.setColor(self.backgroundRole(), QtCore.Qt.white)
self.setPalette(palette)
self._tracks = [Track(parent=self)] # List of tracks
self._pointer = TimelinePointer(0, self) # Timeline ( greenline )
self.tracks_height = 60
self._first_track = self._tracks[0]
class EventsWidget(QtGui.QWidget):
"""
Timeline widget definition to be used in the ControlEventTimeline
"""
_defautcolor = QtGui.QColor(100, 100, 255)
def __init__(self, scroll):
super(EventsWidget, self).__init__()
self._scroll = scroll
# Timeline background color
palette = self.palette()
palette.setColor(self.backgroundRole(), QtCore.Qt.white)
self.setPalette(palette)
self._tracks = [Track(parent=self)] # List of tracks
self._pointer = TimelinePointer(0, self) # Timeline ( greenline )
self.tracks_height = 60
self._first_track = self._tracks[0]
##########################################################################
#### HELPERS/FUNCTIONS ###################################################
##########################################################################
def __drawTrackLines(self, painter, start, end):
# Draw only from pixel start to end
painter.setPen(QtCore.Qt.DashLine)
painter.setOpacity(0.3)
# Draw horizontal lines
for i, track in enumerate(self._tracks): track.draw(painter, start,end, i)
# Draw vertical lines
for x in range(start - (start % 100), end, 100):
painter.drawLine(x, 20, x, self.height())
string = "%d" % x
boundtext = painter.boundingRect(QtCore.QRectF(), string)
painter.drawText(x - boundtext.width() / 2, 15, string)
painter.setOpacity(1.0)
for index, track in enumerate(self._tracks): track.drawLabels(painter, index)
def import_csv(self, csvfileobject):
"""
Extracts info from a file object and stores it in memory in
order to display it on the timeline.
Refer to the `export` method to learn about input file format
and structure.
"""
# Clear previously stored info
self._tracks = []
self._selected = None
for row in csvfileobject:
if row[0] == "T":
track = self.addTrack()
track.properties = row
elif row[0] == "P":
period = self.add_period(0,1,'-')
period.properties = row
def export_csv(self, csvfileobject):
"""
Processes all timeline data in an arranged format to be written
in a CSV file.
Current file structure:
=======================
--- CSV FILE BEGIN ---
Track info line
Event info line
Event info line
...
Track info line
Event info line
Event info line
...
Track info line
Event info line
Event info line
...
--- CSV FILE END ---
Track info line format:
=======================
| T | Total # of events in this track | | | Color | Label |
Event info line format:
=======================
| P | Lock status | Begin frame | End frame | Comment | Color | |
"""
for index, track in enumerate(self._tracks):
csvfileobject.writerow(track.properties)
for delta in track.periods:
csvfileobject.writerow(delta.properties)
def clean(self):
self._charts = []
self._selected = None
for track in self._tracks: track.clear()
del self._tracks[:]
self._tracks = []
self.repaint()
def addTrack(self):
t = Track(parent=self)
self._tracks.append(t)
self.setMinimumHeight( self._first_track.whichTop( len(self._tracks) ) )
return t
def add_period(self, begin, end, title='', track=0, color="#FFFF00"):
"""Adds an annotated interval."""
if self.width()<end: self.setMinimumWidth(end+100)
period = TimelineDelta(begin, end,
title = title,
parentWidget = self,
color = color
)
# Create new tracks in case the variable track does not exists
if len(self._tracks)<=track:
for i in range( len(self._tracks), track+1 ): self.addTrack()
#################################################
self._tracks[track].add_period(period)
return period
##########################################################################
#### EVENTS ##############################################################
##########################################################################
def paintEvent(self, e):
super(EventsWidget, self).paintEvent(e)
painter = QtGui.QPainter()
painter.begin(self)
painter.setRenderHint(QtGui.QPainter.Antialiasing)
painter.setFont(QtGui.QFont('Decorative', 8))
start = self._scroll.horizontalScrollBar().sliderPosition()-100
end = start+self.parent().width()+100
self.__drawTrackLines(painter, start, end)
for i, track in enumerate(self._tracks):
track.drawPeriods(painter, start, end, track_index=i)
self._pointer.draw(painter) #Draw the time pointer
painter.end()
##########################################################################
#### PROPERTIES ##########################################################
##########################################################################
def __check_current_time_is_visible(self, current_time):
"""
This function check if the current_time is visible to the user.
"""
scrollLimit = self._scroll.horizontalScrollBar().sliderPosition() + self.parent().width() - 50
if current_time > scrollLimit:
if self.width()<current_time: self.setMinimumWidth(current_time+100)
self._scroll.horizontalScrollBar().setSliderPosition(current_time)
if current_time < self._scroll.horizontalScrollBar().sliderPosition():
self._scroll.horizontalScrollBar().setSliderPosition(current_time)
@property
def scroll(self): return self._scroll.horizontalScrollBar()
@property
def position(self): return self._pointer._position
@position.setter
def position(self, position):
self._pointer._position = position
#######################################################################
# Check if the current time position is inside the scroll
# if is not in, update the scroll position
self.__check_current_time_is_visible(position)
#######################################################################
self.repaint()
@property
def color(self): return self._defautcolor
@color.setter
def color(self, value): self._defautcolor = value
@property
def tracks_height(self): return self._tracks_height
@tracks_height.setter
def tracks_height(self, value):
self._tracks_height = value
new_height = len(self._tracks)*value + 20
if new_height>self.height(): self.setMinimumHeight(new_height)
self.repaint()
@property
def tracks(self): return self._tracks
@property
def numberoftracks(self): return len(self._tracks)
@numberoftracks.setter
def numberoftracks(self, value):
if value<len(self._tracks):
for i in range(value, self._tracks+1): self.addTrack()
y = value * self.tracks_height + 20
if (y + 40) > self.height():
self.setMinimumHeight(y + 40)
class EventsWidget(QtGui.QWidget):
"""
Timeline widget definition to be used in the ControlEventTimeline
"""
_defautcolor = QtGui.QColor(100, 100, 255)
def __init__(self, scroll):
super(EventsWidget, self).__init__()
self._scroll = scroll
# Timeline background color
palette = self.palette()
palette.setColor(self.backgroundRole(), QtCore.Qt.white)
self.setPalette(palette)
self._tracks = [Track(parent=self)] # List of tracks
self._pointer = TimelinePointer(0, self) # Timeline ( greenline )
self.tracks_height = 60
self._first_track = self._tracks[0]
##########################################################################
#### HELPERS/FUNCTIONS ###################################################
##########################################################################
def __drawTrackLines(self, painter, start, end):
# Draw only from pixel start to end
painter.setPen(QtCore.Qt.DashLine)
painter.setOpacity(0.3)
# Draw horizontal lines
for i, track in enumerate(self._tracks):
track.draw(painter, start, end, i)
# Draw vertical lines
for x in range(start - (start % 100), end, 100):
painter.drawLine(x, 20, x, self.height())
string = "%d" % x
boundtext = painter.boundingRect(QtCore.QRectF(), string)
painter.drawText(x - boundtext.width() / 2, 15, string)
painter.setOpacity(1.0)
for index, track in enumerate(self._tracks):
track.drawLabels(painter, index)
def import_csv(self, csvfileobject):
"""
Extracts info from a file object and stores it in memory in
order to display it on the timeline.
Refer to the `export` method to learn about input file format
and structure.
"""
# Clear previously stored info
self._tracks = []
self._selected = None
for row in csvfileobject:
if row[0] == "T":
track = self.addTrack()
track.properties = row
elif row[0] == "P":
period = self.add_period(0, 1, '-')
period.properties = row
def export_csv(self, csvfileobject):
"""
Processes all timeline data in an arranged format to be written
in a CSV file.
Current file structure:
=======================
--- CSV FILE BEGIN ---
Track info line
Event info line
Event info line
...
Track info line
Event info line
Event info line
...
Track info line
Event info line
Event info line
...
--- CSV FILE END ---
Track info line format:
=======================
| T | Total # of events in this track | | | Color | Label |
Event info line format:
=======================
| P | Lock status | Begin frame | End frame | Comment | Color | |
"""
for index, track in enumerate(self._tracks):
csvfileobject.writerow(track.properties)
for delta in track.periods:
csvfileobject.writerow(delta.properties)
def clean(self):
self._charts = []
self._selected = None
for track in self._tracks:
track.clear()
del self._tracks[:]
self._tracks = []
self.repaint()
def addTrack(self):
t = Track(parent=self)
self._tracks.append(t)
self.setMinimumHeight(self._first_track.whichTop(len(self._tracks)))
return t
def add_period(self, begin, end, title='', track=0, color="#FFFF00"):
"""Adds an annotated interval."""
if self.width() < end: self.setMinimumWidth(end + 100)
period = TimelineDelta(begin,
end,
title=title,
parentWidget=self,
color=color)
# Create new tracks in case the variable track does not exists
if len(self._tracks) <= track:
for i in range(len(self._tracks), track + 1):
self.addTrack()
#################################################
self._tracks[track].add_period(period)
return period
##########################################################################
#### EVENTS ##############################################################
##########################################################################
def paintEvent(self, e):
super(EventsWidget, self).paintEvent(e)
painter = QtGui.QPainter()
painter.begin(self)
painter.setRenderHint(QtGui.QPainter.Antialiasing)
painter.setFont(QtGui.QFont('Decorative', 8))
start = self._scroll.horizontalScrollBar().sliderPosition() - 100
end = start + self.parent().width() + 100
self.__drawTrackLines(painter, start, end)
for i, track in enumerate(self._tracks):
track.drawPeriods(painter, start, end, track_index=i)
self._pointer.draw(painter) #Draw the time pointer
painter.end()
##########################################################################
#### PROPERTIES ##########################################################
##########################################################################
def __check_current_time_is_visible(self, current_time):
"""
This function check if the current_time is visible to the user.
"""
scrollLimit = self._scroll.horizontalScrollBar().sliderPosition(
) + self.parent().width() - 50
if current_time > scrollLimit:
if self.width() < current_time:
self.setMinimumWidth(current_time + 100)
self._scroll.horizontalScrollBar().setSliderPosition(current_time)
if current_time < self._scroll.horizontalScrollBar().sliderPosition():
self._scroll.horizontalScrollBar().setSliderPosition(current_time)
@property
def scroll(self):
return self._scroll.horizontalScrollBar()
@property
def position(self):
return self._pointer._position
@position.setter
def position(self, position):
self._pointer._position = position
#######################################################################
# Check if the current time position is inside the scroll
# if is not in, update the scroll position
self.__check_current_time_is_visible(position)
#######################################################################
self.repaint()
@property
def color(self):
return self._defautcolor
@color.setter
def color(self, value):
self._defautcolor = value
@property
def tracks_height(self):
return self._tracks_height
@tracks_height.setter
def tracks_height(self, value):
self._tracks_height = value
new_height = len(self._tracks) * value + 20
if new_height > self.height(): self.setMinimumHeight(new_height)
self.repaint()
@property
def tracks(self):
return self._tracks
@property
def numberoftracks(self):
return len(self._tracks)
@numberoftracks.setter
def numberoftracks(self, value):
if value < len(self._tracks):
for i in range(value, self._tracks + 1):
self.addTrack()
y = value * self.tracks_height + 20
if (y + 40) > self.height():
self.setMinimumHeight(y + 40)
