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manage href for edge and its label (SVG) #46

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manage href for edge and its label (SVG) #46

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46 changes: 28 additions & 18 deletions src/seqdiag/drawer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -97,57 +97,67 @@ def edge_shadow(self, edge):
outline=self.shadow, filter='transp-blur')

def edge(self, edge):
if edge.href and self.format == 'SVG':
drawer = self.drawer.anchor(edge.href)
else:
drawer = self.drawer

# render shaft of edges
m = self.metrics.edge(edge)
shaft = m.shaft
self.drawer.line(shaft, fill=edge.color, style=edge.style)
drawer.line(shaft, fill=edge.color, style=edge.style)

# render head of edges
head = m.head
if edge.asynchronous:
self.drawer.line((head[0], head[1]), fill=edge.color)
self.drawer.line((head[1], head[2]), fill=edge.color)
drawer.line((head[0], head[1]), fill=edge.color)
drawer.line((head[1], head[2]), fill=edge.color)
else:
self.drawer.polygon(head, outline=edge.color, fill=edge.color)
drawer.polygon(head, outline=edge.color, fill=edge.color)

if edge.failed:
for line in m.failedmark:
self.drawer.line(line, fill=edge.color)
drawer.line(line, fill=edge.color)

if edge.leftnote:
polygon = m.leftnoteshape
self.drawer.polygon(polygon, fill=edge.notecolor,
outline=self.fill)
drawer.polygon(polygon, fill=edge.notecolor,
outline=self.fill)

folded = [polygon[1], XY(polygon[1].x, polygon[2].y), polygon[2]]
self.drawer.line(folded, fill=self.fill)
drawer.line(folded, fill=self.fill)

self.drawer.textarea(m.leftnotebox, edge.leftnote,
self.metrics.font_for(edge),
fill=edge.color, halign='left')
drawer.textarea(m.leftnotebox, edge.leftnote,
self.metrics.font_for(edge),
fill=edge.color, halign='left')

if edge.rightnote:
polygon = m.rightnoteshape
self.drawer.polygon(polygon, fill=edge.notecolor,
outline=self.fill)
drawer.polygon(polygon, fill=edge.notecolor,
outline=self.fill)

folded = [polygon[1], XY(polygon[1].x, polygon[2].y), polygon[2]]
self.drawer.line(folded, fill=self.fill)
drawer.line(folded, fill=self.fill)

self.drawer.textarea(m.rightnotebox, edge.rightnote,
self.metrics.font_for(edge),
fill=edge.color, halign='left')
drawer.textarea(m.rightnotebox, edge.rightnote,
self.metrics.font_for(edge),
fill=edge.color, halign='left')

def edge_label(self, edge):
m = self.metrics.edge(edge)

if edge.href and self.format == 'SVG':
drawer = self.drawer.anchor(edge.href)
else:
drawer = self.drawer

if edge.label:
if edge.direction in ('right', 'self'):
halign = 'left'
else:
halign = 'right'

self.drawer.textarea(m.textbox, edge.label,
drawer.textarea(m.textbox, edge.label,
self.metrics.font_for(edge),
fill=edge.color, halign=halign)

Expand Down
1 change: 1 addition & 0 deletions src/seqdiag/elements.py
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,7 @@ def __init__(self, node1, node2):
self.diagonal = False
self.failed = False
self.return_label = ''
self.href = None

@property
def left_node(self):
Expand Down