# Licence: wxWindows license
#----------------------------------------------------------------------------
-from __future__ import division
-
import sys
import math
# Line alignment flags
# Vertical by default
-LINE_ALIGNMENT_HORIZ= 1
-LINE_ALIGNMENT_VERT= 0
-LINE_ALIGNMENT_TO_NEXT_HANDLE= 2
-LINE_ALIGNMENT_NONE= 0
+LINE_ALIGNMENT_HORIZ = 1
+LINE_ALIGNMENT_VERT = 0
+LINE_ALIGNMENT_TO_NEXT_HANDLE = 2
+LINE_ALIGNMENT_NONE = 0
class ArrowHead(object):
- def __init__(self, type = 0, end = 0, size = 0.0, dist = 0.0, name="",mf = None, arrowId=-1):
+ def __init__(self, type = 0, end = 0, size = 0.0, dist = 0.0, name = "", mf = None, arrowId = -1):
if isinstance(type, ArrowHead):
pass
else:
self._arrowName = name
self._metaFile = mf
self._id = arrowId
- if self._id==-1:
+ if self._id == -1:
self._id = wx.NewId()
def _GetType(self):
if oldWidth == 0:
return
- scale = size / oldWidth
+ scale = float(size) / oldWidth
if scale != 1:
self._metaFile.Scale(scale, scale)
if self._lineShape and not self._lineShape.GetDrawHandles():
return
- x1 = self._xpos-self._width / 2
- y1 = self._ypos-self._height / 2
+ x1 = self._xpos - self._width / 2.0
+ y1 = self._ypos - self._height / 2.0
if self._pen:
if self._pen.GetWidth() == 0:
dc.SetPen(self._pen)
dc.SetBrush(wx.TRANSPARENT_BRUSH)
- if self._cornerRadius>0:
+ if self._cornerRadius > 0:
dc.DrawRoundedRectangle(x1, y1, self._width, self._height, self._cornerRadius)
else:
dc.DrawRectangle(x1, y1, self._width, self._height)
def __del__(self):
if self._lineControlPoints:
- self.ClearPointList(self._lineControlPoints)
self._lineControlPoints = []
for i in range(3):
if self._labelObjects[i]:
def MakeLineControlPoints(self, n):
"""Make a given number of control points (minimum of two)."""
- if self._lineControlPoints:
- self.ClearPointList(self._lineControlPoints)
self._lineControlPoints = []
for _ in range(n):
- point = wx.RealPoint(-999,-999)
+ point = wx.RealPoint(-999, -999)
self._lineControlPoints.append(point)
- def InsertLineControlPoint(self, dc = None):
- """Insert a control point at an arbitrary position."""
+ # pi: added _initialised to keep track of when we have set
+ # the middle points to something other than (-999, -999)
+ self._initialised = False
+
+ def InsertLineControlPoint(self, dc = None, point = None):
+ """Insert a control point at an optional given position."""
if dc:
self.Erase(dc)
- last_point = self._lineControlPoints[-1]
- second_last_point = self._lineControlPoints[-2]
+ if point:
+ line_x, line_y = point
+ else:
+ last_point = self._lineControlPoints[-1]
+ second_last_point = self._lineControlPoints[-2]
- line_x = (last_point[0] + second_last_point[0]) / 2
- line_y = (last_point[1] + second_last_point[1]) / 2
+ line_x = (last_point[0] + second_last_point[0]) / 2.0
+ line_y = (last_point[1] + second_last_point[1]) / 2.0
point = wx.RealPoint(line_x, line_y)
- self._lineControlPoints.insert(len(self._lineControlPoints), point)
+ self._lineControlPoints.insert(len(self._lineControlPoints)-1, point)
def DeleteLineControlPoint(self):
"""Delete an arbitary point on the line."""
- if len(self._lineControlPoints)<3:
+ if len(self._lineControlPoints) < 3:
return False
del self._lineControlPoints[-2]
# initialize them by placing them half way between the first
# and the last.
- for point in self._lineControlPoints[1:]:
- if point[0]==-999:
- if first_point[0]<last_point[0]:
+ for i in range(1,len(self._lineControlPoints)):
+ point = self._lineControlPoints[i]
+ if point[0] == -999:
+ if first_point[0] < last_point[0]:
x1 = first_point[0]
x2 = last_point[0]
else:
x2 = first_point[0]
x1 = last_point[0]
- if first_point[1]<last_point[1]:
+ if first_point[1] < last_point[1]:
y1 = first_point[1]
y2 = last_point[1]
else:
y2 = first_point[1]
y1 = last_point[1]
- point[0] = (x2-x1) / 2 + x1
- point[1] = (y2-y1) / 2 + y1
+ self._lineControlPoints[i] = wx.RealPoint((x2 - x1) / 2.0 + x1, (y2 - y1) / 2.0 + y1)
+ self._initialised = True
def FormatText(self, dc, s, i):
"""Format a text string according to the region size, adding
w, h = 100, 50
region.SetSize(w, h)
- string_list = FormatText(dc, s, w-5, h-5, region.GetFormatMode())
+ string_list = FormatText(dc, s, w - 5, h - 5, region.GetFormatMode())
for s in string_list:
line = ShapeTextLine(0.0, 0.0, s)
region.GetFormattedText().append(line)
if actualW != w or actualH != h:
xx, yy = self.GetLabelPosition(i)
self.EraseRegion(dc, region, xx, yy)
- if len(self._labelObjects)<i:
+ if len(self._labelObjects) < i:
self._labelObjects[i].Select(False, dc)
self._labelObjects[i].Erase(dc)
self._labelObjects[i].SetSize(actualW, actualH)
region.SetSize(actualW, actualH)
- if len(self._labelObjects)<i:
+ if len(self._labelObjects) < i:
self._labelObjects[i].Select(True, dc)
self._labelObjects[i].Draw(dc)
# Now draw the text
if region.GetFont():
dc.SetFont(region.GetFont())
- dc.DrawRectangle(xp-w / 2, yp-h / 2, w, h)
+ dc.DrawRectangle(xp - w / 2.0, yp - h / 2.0, w, h)
if self._pen:
dc.SetPen(self._pen)
dc.SetPen(self.GetBackgroundPen())
dc.SetBrush(self.GetBackgroundBrush())
- dc.DrawRectangle(xp-w / 2, yp-h / 2, w, h)
+ dc.DrawRectangle(xp - w / 2.0, yp - h / 2.0, w, h)
def GetLabelPosition(self, position):
"""Get the reference point for a label.
"""
if position == 0:
# Want to take the middle section for the label
- half_way = int(len(self._lineControlPoints) / 2)
+ half_way = int(len(self._lineControlPoints) / 2.0)
# Find middle of this line
- point = self._lineControlPoints[half_way-1]
+ point = self._lineControlPoints[half_way - 1]
next_point = self._lineControlPoints[half_way]
- dx = next_point[0]-point[0]
- dy = next_point[1]-point[1]
+ dx = next_point[0] - point[0]
+ dy = next_point[1] - point[1]
- return point[0] + dx / 2, point[1] + dy / 2
+ return point[0] + dx / 2.0, point[1] + dy / 2.0
elif position == 1:
return self._lineControlPoints[0][0], self._lineControlPoints[0][1]
elif position == 2:
def Straighten(self, dc = None):
"""Straighten verticals and horizontals."""
- if len(self._lineControlPoints)<3:
+ if len(self._lineControlPoints) < 3:
return
if dc:
GraphicsStraightenLine(self._lineControlPoints[-1], self._lineControlPoints[-2])
- for i in range(len(self._lineControlPoints)-2):
+ for i in range(len(self._lineControlPoints) - 2):
GraphicsStraightenLine(self._lineControlPoints[i], self._lineControlPoints[i + 1])
if dc:
def SetEnds(self, x1, y1, x2, y2):
"""Set the end positions of the line."""
- # Find centre point
- first_point = self._lineControlPoints[0]
- last_point = self._lineControlPoints[-1]
-
- first_point[0] = x1
- first_point[1] = y1
- last_point[0] = x2
- last_point[1] = y2
+ self._lineControlPoints[0] = wx.RealPoint(x1, y1)
+ self._lineControlPoints[-1] = wx.RealPoint(x2, y2)
- self._xpos = (x1 + x2) / 2
- self._ypos = (y1 + y2) / 2
+ # Find centre point
+ self._xpos = (x1 + x2) / 2.0
+ self._ypos = (y1 + y2) / 2.0
# Get absolute positions of ends
def GetEnds(self):
first_point = self._lineControlPoints[0]
last_point = self._lineControlPoints[-1]
- return (first_point[0], first_point[1]), (last_point[0], last_point[1])
+ return first_point[0], first_point[1], last_point[0], last_point[1]
def SetAttachments(self, from_attach, to_attach):
"""Specify which object attachment points should be used at each end
xp, yp = self.GetLabelPosition(i)
# Offset region from default label position
cx, cy = region.GetPosition()
- cw, ch = region.GetSize()
+ cw, ch = region.GetSize()
cx += xp
cy += yp
- rLeft = cx-cw / 2
- rTop = cy-ch / 2
- rRight = cx + cw / 2
- rBottom = cy + ch / 2
- if x>rLeft and x<rRight and y>rTop and y<rBottom:
+ rLeft = cx - cw / 2.0
+ rTop = cy - ch / 2.0
+ rRight = cx + cw / 2.0
+ rBottom = cy + ch / 2.0
+ if x > rLeft and x < rRight and y > rTop and y < rBottom:
inLabelRegion = True
break
- for i in range(len(self._lineControlPoints)-1):
+ for i in range(len(self._lineControlPoints) - 1):
point1 = self._lineControlPoints[i]
point2 = self._lineControlPoints[i + 1]
# For inaccurate mousing allow 8 pixel corridor
extra = 4
- dx = point2[0]-point1[0]
- dy = point2[1]-point1[1]
+ dx = point2[0] - point1[0]
+ dy = point2[1] - point1[1]
seg_len = math.sqrt(dx * dx + dy * dy)
- if dy == 0 or dx == 0:
- return False
- distance_from_seg = seg_len * ((x-point1[0]) * dy-(y-point1[1]) * dx) / (dy * dy + dx * dx)
- distance_from_prev = seg_len * ((y-point1[1]) * dy + (x-point1[0]) * dx) / (dy * dy + dx * dx)
+ if dy == 0 and dx == 0:
+ continue
+ distance_from_seg = seg_len * float((x - point1[0]) * dy - (y - point1[1]) * dx) / (dy * dy + dx * dx)
+ distance_from_prev = seg_len * float((y - point1[1]) * dy + (x - point1[0]) * dx) / (dy * dy + dx * dx)
- if abs(distance_from_seg)<extra and distance_from_prev >= 0 and distance_from_prev <= seg_len or inLabelRegion:
+ if abs(distance_from_seg) < extra and distance_from_prev >= 0 and distance_from_prev <= seg_len or inLabelRegion:
return 0, distance_from_seg
return False
# will be on the line.
realOffset = XOffset
if proportionalOffset:
- totalLength = math.sqrt((second_line_point[0]-first_line_point[0]) * (second_line_point[0]-first_line_point[0]) + (second_line_point[1]-first_line_point[1]) * (second_line_point[1]-first_line_point[1]))
+ totalLength = math.sqrt((second_line_point[0] - first_line_point[0]) * (second_line_point[0] - first_line_point[0]) + (second_line_point[1] - first_line_point[1]) * (second_line_point[1] - first_line_point[1]))
realOffset = XOffset * totalLength
positionOnLineX, positionOnLineY = GetPointOnLine(second_line_point[0], second_line_point[1], first_line_point[0], first_line_point[1], realOffset)
# will be on the line.
realOffset = XOffset
if proportionalOffset:
- totalLength = math.sqrt((second_last_line_point[0]-last_line_point[0]) * (second_last_line_point[0]-last_line_point[0]) + (second_last_line_point[1]-last_line_point[1]) * (second_last_line_point[1]-last_line_point[1]));
+ totalLength = math.sqrt((second_last_line_point[0] - last_line_point[0]) * (second_last_line_point[0] - last_line_point[0]) + (second_last_line_point[1] - last_line_point[1]) * (second_last_line_point[1] - last_line_point[1]));
realOffset = XOffset * totalLength
positionOnLineX, positionOnLineY = GetPointOnLine(second_last_line_point[0], second_last_line_point[1], last_line_point[0], last_line_point[1], realOffset)
startPositionY = second_last_line_point[1]
elif ap == ARROW_POSITION_MIDDLE:
# Choose a point half way between the last and penultimate points
- x = (last_line_point[0] + second_last_line_point[0]) / 2
- y = (last_line_point[1] + second_last_line_point[1]) / 2
+ x = (last_line_point[0] + second_last_line_point[0]) / 2.0
+ y = (last_line_point[1] + second_last_line_point[1]) / 2.0
# If we're using a proportional offset, calculate just where this
# will be on the line.
realOffset = XOffset
if proportionalOffset:
- totalLength = math.sqrt((second_last_line_point[0]-x) * (second_last_line_point[0]-x) + (second_last_line_point[1]-y) * (second_last_line_point[1]-y));
+ totalLength = math.sqrt((second_last_line_point[0] - x) * (second_last_line_point[0] - x) + (second_last_line_point[1] - y) * (second_last_line_point[1] - y));
realOffset = XOffset * totalLength
positionOnLineX, positionOnLineY = GetPointOnLine(second_last_line_point[0], second_last_line_point[1], x, y, realOffset)
# Where theta = math.tan(-1) of (y3-y1) / (x3-x1)
x1 = startPositionX
y1 = startPositionY
- x3 = positionOnLineX
- y3 = positionOnLineY
- d=-arrow.GetYOffset() # Negate so +offset is above line
+ x3 = float(positionOnLineX)
+ y3 = float(positionOnLineY)
+ d = -arrow.GetYOffset() # Negate so +offset is above line
if x3 == x1:
- theta = pi / 2
+ theta = math.pi / 2.0
else:
- theta = math.atan((y3-y1) / (x3-x1))
+ theta = math.atan((y3 - y1) / (x3 - x1))
- x4 = x3-d * math.sin(theta)
+ x4 = x3 - d * math.sin(theta)
y4 = y3 + d * math.cos(theta)
- deltaX = x4-positionOnLineX
- deltaY = y4-positionOnLineY
+ deltaX = x4 - positionOnLineX
+ deltaY = y4 - positionOnLineY
at = arrow._GetType()
if at == ARROW_ARROW:
arrowLength = arrow.GetSize()
- arrowWidth = arrowLength / 3
+ arrowWidth = arrowLength / 3.0
tip_x, tip_y, side1_x, side1_y, side2_x, side2_y = GetArrowPoints(startPositionX + deltaX, startPositionY + deltaY, positionOnLineX + deltaX, positionOnLineY + deltaY, arrowLength, arrowWidth)
diameter = arrow.GetSize()
x, y = GetPointOnLine(startPositionX + deltaX, startPositionY + deltaY,
positionOnLineX + deltaX, positionOnLineY + deltaY,
- diameter / 2)
- x1 = x-diameter / 2
- y1 = y-diameter / 2
+ diameter / 2.0)
+ x1 = x - diameter / 2.0
+ y1 = y - diameter / 2.0
dc.SetPen(self._pen)
if arrow._GetType() == ARROW_HOLLOW_CIRCLE:
dc.SetBrush(self.GetBackgroundBrush())
#
x, y = GetPointOnLine(startPositionX, startPositionY,
positionOnLineX, positionOnLineY,
- arrow.GetMetaFile()._width / 2)
+ arrow.GetMetaFile()._width / 2.0)
# Calculate theta for rotating the metafile.
#
# |
theta = 0.0
x1 = startPositionX
y1 = startPositionY
- x2 = positionOnLineX
- y2 = positionOnLineY
+ x2 = float(positionOnLineX)
+ y2 = float(positionOnLineY)
if x1 == x2 and y1 == y2:
theta = 0.0
- elif x1 == x2 and y1>y2:
- theta = 3.0 * pi / 2
- elif x1 == x2 and y2>y1:
- theta = pi / 2
- elif x2>x1 and y2 >= y1:
- theta = math.atan((y2-y1) / (x2-x1))
- elif x2<x1:
- theta = pi + math.atan((y2-y1) / (x2-x1))
- elif x2>x1 and y2<y1:
- theta = 2 * pi + math.atan((y2-y1) / (x2-x1))
+ elif x1 == x2 and y1 > y2:
+ theta = 3.0 * math.pi / 2.0
+ elif x1 == x2 and y2 > y1:
+ theta = math.pi / 2.0
+ elif x2 > x1 and y2 >= y1:
+ theta = math.atan((y2 - y1) / (x2 - x1))
+ elif x2 < x1:
+ theta = math.pi + math.atan((y2 - y1) / (x2 - x1))
+ elif x2 > x1 and y2 < y1:
+ theta = 2 * math.pi + math.atan((y2 - y1) / (x2 - x1))
else:
raise "Unknown arrowhead rotation case"
minX, minY, maxX, maxY = arrow.GetMetaFile().GetBounds()
# Make erasing rectangle slightly bigger or you get droppings
extraPixels = 4
- dc.DrawRectangle(deltaX + x + minX-extraPixels / 2, deltaY + y + minY-extraPixels / 2, maxX-minX + extraPixels, maxY-minY + extraPixels)
+ dc.DrawRectangle(deltaX + x + minX - extraPixels / 2.0, deltaY + y + minY - extraPixels / 2.0, maxX - minX + extraPixels, maxY - minY + extraPixels)
else:
arrow.GetMetaFile().Draw(dc, x + deltaX, y + deltaY)
# Drawing over the line only seems to work if the line has a thickness
# of 1.
- if old_pen and old_pen.GetWidth()>1:
- dc.DrawRectangle(self._xpos-bound_x / 2-2, self._ypos-bound_y / 2-2,
+ if old_pen and old_pen.GetWidth() > 1:
+ dc.DrawRectangle(self._xpos - bound_x / 2.0 - 2, self._ypos - bound_y / 2.0 - 2,
bound_x + 4, bound_y + 4)
else:
self._erasing = True
def GetBoundingBoxMin(self):
x1, y1 = 10000, 10000
- x2, y2=-10000,-10000
+ x2, y2 = -10000, -10000
for point in self._lineControlPoints:
- if point[0]<x1:
+ if point[0] < x1:
x1 = point[0]
- if point[1]<y1:
+ if point[1] < y1:
y1 = point[1]
- if point[0]>x2:
+ if point[0] > x2:
x2 = point[0]
- if point[1]>y2:
+ if point[1] > y2:
y2 = point[1]
- return x2-x1, y2-y1
+ return x2 - x1, y2 - y1
# For a node image of interest, finds the position of this arc
# amongst all the arcs which are attached to THIS SIDE of the node image,
Specify whether incoming or outgoing lines are being considered
with incoming.
"""
- n=-1
+ n = -1
num = 0
if image == self._to:
self.SetBrush(None)
def OnMovePre(self, dc, x, y, old_x, old_y, display = True):
- x_offset = x-old_x
- y_offset = y-old_y
+ x_offset = x - old_x
+ y_offset = y - old_y
if self._lineControlPoints and not (x_offset == 0 and y_offset == 0):
for point in self._lineControlPoints:
if self._labelObjects[i]:
self._labelObjects[i].Erase(dc)
xp, yp = self.GetLabelPosition(i)
- if i<len(self._regions):
+ if i < len(self._regions):
xr, yr = self._regions[i].GetPosition()
else:
xr, yr = 0, 0
if not self._from or not self._to:
return
- if len(self._lineControlPoints)>2:
- self.Initialise()
-
# Do each end - nothing in the middle. User has to move other points
# manually if necessary
end_x, end_y, other_end_x, other_end_y = self.FindLineEndPoints()
- first = self._lineControlPoints[0]
- last = self._lineControlPoints[-1]
-
oldX, oldY = self._xpos, self._ypos
+ # pi: The first time we go through FindLineEndPoints we can't
+ # use the middle points (since they don't have sane values),
+ # so we just do what we do for a normal line. Then we call
+ # Initialise to set the middle points, and then FindLineEndPoints
+ # again, but this time (and from now on) we use the middle
+ # points to calculate the end points.
+ # This was buggy in the C++ version too.
+
self.SetEnds(end_x, end_y, other_end_x, other_end_y)
+ if len(self._lineControlPoints) > 2:
+ self.Initialise()
+
# Do a second time, because one may depend on the other
end_x, end_y, other_end_x, other_end_y = self.FindLineEndPoints()
self.SetEnds(end_x, end_y, other_end_x, other_end_y)
# Try to move control points with the arc
- x_offset = self._xpos-oldX
- y_offset = self._ypos-oldY
+ x_offset = self._xpos - oldX
+ y_offset = self._ypos - oldY
# Only move control points if it's a self link. And only works
# if attachment mode is ON
if self._from == self._to and self._from.GetAttachmentMode() != ATTACHMENT_MODE_NONE and moveControlPoints and self._lineControlPoints and not (x_offset == 0 and y_offset == 0):
for point in self._lineControlPoints[1:-1]:
- point.x += x_offset
- point.y += y_offset
+ point[0] += x_offset
+ point[1] += y_offset
self.Move(dc, self._xpos, self._ypos)
# manually if necessary.
second_point = self._lineControlPoints[1]
second_last_point = self._lineControlPoints[-2]
-
- if len(self._lineControlPoints)>2:
+
+ # pi: If we have a segmented line and this is the first time,
+ # do this as a straight line.
+ if len(self._lineControlPoints) > 2 and self._initialised:
if self._from.GetAttachmentMode() != ATTACHMENT_MODE_NONE:
nth, no_arcs = self.FindNth(self._from, False) # Not incoming
end_x, end_y = self._from.GetAttachmentPosition(self._attachmentFrom, nth, no_arcs, self)
if self._to.GetAttachmentMode() == ATTACHMENT_MODE_NONE:
other_end_x, other_end_y = self._to.GetPerimeterPoint(self._to.GetX(), self._to.GetY(), fromX, fromY)
- #print type(self._from), type(self._to), end_x, end_y, other_end_x, other_end_y
- return end_x, end_y, other_end_x, other_end_y
+ return end_x, end_y, other_end_x, other_end_y
+
def OnDraw(self, dc):
if not self._lineControlPoints:
points = []
for point in self._lineControlPoints:
- points.append(wx.Point(point.x, point.y))
+ points.append(wx.Point(point[0], point[1]))
- #print points
if self._isSpline:
dc.DrawSpline(points)
else:
dc.DrawLines(points)
- if sys.platform[:3]=="win":
+ if sys.platform[:3] == "win":
# For some reason, last point isn't drawn under Windows
pt = points[-1]
- dc.DrawPoint(pt.x, pt.y)
+ dc.DrawPoint(pt[0], pt[1])
# Problem with pen - if not a solid pen, does strange things
# to the arrowhead. So make (get) a new pen that's solid.
if self._pen and self._pen.GetStyle() != wx.SOLID:
- solid_pen = wx.ThePenList().FindOrCreatePen(self._pen.GetColour(), 1, wx.SOLID)
+ solid_pen = wx.ThePenList.FindOrCreatePen(self._pen.GetColour(), 1, wx.SOLID)
if solid_pen:
dc.SetPen(solid_pen)
control = LineControlPoint(self._canvas, self, CONTROL_POINT_SIZE, first[0], first[1], CONTROL_POINT_ENDPOINT_FROM)
control._point = first
self._canvas.AddShape(control)
- self._controlPoints.Append(control)
+ self._controlPoints.append(control)
for point in self._lineControlPoints[1:-1]:
control = LineControlPoint(self._canvas, self, CONTROL_POINT_SIZE, point[0], point[1], CONTROL_POINT_LINE)
control._point = point
self._canvas.AddShape(control)
- self._controlPoints.Append(control)
+ self._controlPoints.append(control)
control = LineControlPoint(self._canvas, self, CONTROL_POINT_SIZE, last[0], last[1], CONTROL_POINT_ENDPOINT_TO)
control._point = last
self._canvas.AddShape(control)
- self._controlPoints.Append(control)
+ self._controlPoints.append(control)
def ResetControlPoints(self):
- if self._canvas and self._lineControlPoints:
+ if self._canvas and self._lineControlPoints and self._controlPoints:
for i in range(min(len(self._controlPoints), len(self._lineControlPoints))):
point = self._lineControlPoints[i]
control = self._controlPoints[i]
dc.SetBrush(wx.TRANSPARENT_BRUSH)
if pt._type == CONTROL_POINT_LINE:
- x, y = self._canvas.Snap()
+ x, y = self._canvas.Snap(x, y)
pt.SetX(x)
pt.SetY(y)
pt._point[0] = x
pt._point[1] = y
-
+
old_pen = self.GetPen()
old_brush = self.GetBrush()
if pt._type == CONTROL_POINT_LINE:
pt._originalPos = pt._point
- x, y = self._canvas.Snap()
+ x, y = self._canvas.Snap(x, y)
self.Erase(dc)
self.SetBrush(old_brush)
if pt._type == CONTROL_POINT_ENDPOINT_FROM or pt._type == CONTROL_POINT_ENDPOINT_TO:
- self._canvas.SetCursor(wx.Cursor(wx.CURSOR_BULLSEYE))
+ self._canvas.SetCursor(wx.StockCursor(wx.CURSOR_BULLSEYE))
pt._oldCursor = wx.STANDARD_CURSOR
def OnSizingEndDragLeft(self, pt, x, y, keys = 0, attachment = 0):
self.SetDisableLabel(False)
if pt._type == CONTROL_POINT_LINE:
- x, y = self._canvas.Snap()
+ x, y = self._canvas.Snap(x, y)
rpt = wx.RealPoint(x, y)
if pt._oldCursor:
self._canvas.SetCursor(pt._oldCursor)
- if self.GetFrom():
- self.GetFrom().MoveLineToNewAttachment(dc, self, x, y)
+ if self.GetFrom():
+ self.GetFrom().MoveLineToNewAttachment(dc, self, x, y)
if pt._type == CONTROL_POINT_ENDPOINT_TO:
if pt._oldCursor:
self._canvas.SetCursor(pt._oldCursor)
- if self.GetTo():
- self.GetTo().MoveLineToNewAttachment(dc, self, x, y)
+ if self.GetTo():
+ self.GetTo().MoveLineToNewAttachment(dc, self, x, y)
# This is called only when a non-end control point is moved
def OnMoveMiddleControlPoint(self, dc, lpt, pt):
return True
- def AddArrow(self, type, end = ARROW_POSITION_END, size = 10.0, xOffset = 0.0, name="",mf = None, arrowId=-1):
+ def AddArrow(self, type, end = ARROW_POSITION_END, size = 10.0, xOffset = 0.0, name = "", mf = None, arrowId = -1):
"""Add an arrow (or annotation) to the line.
type may currently be one of:
return True
i1 = i2 = 0
- while i1<len(referenceList) and i2<len(self._arcArrows):
+ while i1 < len(referenceList) and i2 < len(self._arcArrows):
refArrow = referenceList[i1]
currArrow = self._arcArrows[i2]
# Check if we're at the correct position in the
# reference list
if targetName == refArrow.GetName():
- if i2<len(self._arcArrows):
+ if i2 < len(self._arcArrows):
self._arcArrows.insert(i2, arrow)
else:
self._arcArrows.append(arrow)
"""Delete the arrows at the specified position, or at any position
if position is -1.
"""
- if end==-1:
+ if end == -1:
self._arcArrows = []
return
if position is -1, matches any position.
"""
for arrow in self._arcArrows:
- if (position==-1 or position == arrow.GetArrowEnd()) and arrow.GetName() == name:
- return arow
+ if (position == -1 or position == arrow.GetArrowEnd()) and arrow.GetName() == name:
+ return arrow
return None
if position is -1, matches any position.
"""
for arrow in self._arcArrows:
- if (position==-1 or position == arrow.GetArrowEnd()) and arrow.GetName() == name:
+ if (position == -1 or position == arrow.GetArrowEnd()) and arrow.GetName() == name:
self._arcArrows.remove(arrow)
return True
return False
# We have ABSOLUTE minimum now. So
# scale it to give it reasonable aesthetics
# when drawing with line.
- if minWidth>0:
+ if minWidth > 0:
minWidth = minWidth * 1.4
else:
minWidth = 20.0
startX, startY, endX, endY = self.GetEnds()
# Find distances from centre, start and end. The smallest wins
- centreDistance = math.sqrt((x-self._xpos) * (x-self._xpos) + (y-self._ypos) * (y-self._ypos))
- startDistance = math.sqrt((x-startX) * (x-startX) + (y-startY) * (y-startY))
- endDistance = math.sqrt((x-endX) * (x-endX) + (y-endY) * (y-endY))
+ centreDistance = math.sqrt((x - self._xpos) * (x - self._xpos) + (y - self._ypos) * (y - self._ypos))
+ startDistance = math.sqrt((x - startX) * (x - startX) + (y - startY) * (y - startY))
+ endDistance = math.sqrt((x - endX) * (x - endX) + (y - endY) * (y - endY))
- if centreDistance<startDistance and centreDistance<endDistance:
+ if centreDistance < startDistance and centreDistance < endDistance:
return ARROW_POSITION_MIDDLE
- elif startDistance<endDistance:
+ elif startDistance < endDistance:
return ARROW_POSITION_START
else:
return ARROW_POSITION_END
if self._to == shape:
# Must be END of line, so we want (n - 1)th control point.
# But indexing ends at n-1, so subtract 2.
- nn = n-2
+ nn = n - 2
else:
nn = 1
- if nn<len(self._lineControlPoints):
+ if nn < len(self._lineControlPoints):
return self._lineControlPoints[nn]
return None
labelShape._shapeRegion.SetSize(labelShape.GetWidth(), labelShape.GetHeight())
# Find position in line's region list
- i = 0
- for region in self.GetRegions():
- if labelShape._shapeRegion == region:
- self.GetRegions().remove(region)
- else:
- i += 1
+ i = self._regions.index(labelShape._shapeRegion)
xx, yy = self.GetLabelPosition(i)
# Set the region's offset, relative to the default position for
# each region.
- labelShape._shapeRegion.SetPosition(x-xx, y-yy)
+ labelShape._shapeRegion.SetPosition(x - xx, y - yy)
labelShape.SetX(x)
labelShape.SetY(y)
projects / wxWidgets.git / blobdiff