def _tooltip_data(self, node, value, x, y, classes=None, xlabel=None):
"""Insert in desc tags informations for the javascript tooltip"""
self.svg.node(node, 'desc', class_="value").text = value
if classes is None:
classes = []
if x > self.view.width / 2:
classes.append('left')
if y > self.view.height / 2:
classes.append('top')
classes = ' '.join(classes)
self.svg.node(node, 'desc', class_="x " + classes).text = to_str(x)
self.svg.node(node, 'desc', class_="y " + classes).text = to_str(y)
if xlabel:
self.svg.node(node, 'desc', class_="x_label").text = to_str(xlabel)
def _tooltip_data(self, node, value, x, y, classes=None, xlabel=None):
"""Insert in desc tags informations for the javascript tooltip"""
self.svg.node(node, 'desc', class_="value").text = value
if classes is None:
classes = []
if x > self.view.width / 2:
classes.append('left')
if y > self.view.height / 2:
classes.append('top')
classes = ' '.join(classes)
self.svg.node(node, 'desc', class_="x " + classes).text = to_str(x)
self.svg.node(node, 'desc', class_="y " + classes).text = to_str(y)
if xlabel:
self.svg.node(node, 'desc', class_="x_label").text = to_str(xlabel)
def node(self, parent=None, tag='g', attrib=None, **extras):
"""Make a new svg node"""
if parent is None:
parent = self.root
attrib = attrib or {}
attrib.update(extras)
def in_attrib_and_number(key):
return key in attrib and isinstance(attrib[key], Number)
for pos, dim in (('x', 'width'), ('y', 'height')):
if in_attrib_and_number(dim) and attrib[dim] < 0:
attrib[dim] = -attrib[dim]
if in_attrib_and_number(pos):
attrib[pos] = attrib[pos] - attrib[dim]
for key, value in dict(attrib).items():
if value is None:
del attrib[key]
attrib[key] = to_str(value)
if key.endswith('_'):
attrib[key.rstrip('_')] = attrib[key]
del attrib[key]
elif key == 'href':
attrib[etree.QName('http://www.w3.org/1999/xlink',
key)] = attrib[key]
del attrib[key]
return etree.SubElement(parent, tag, attrib)
def node(self, parent=None, tag='g', attrib=None, **extras):
"""Make a new svg node"""
if parent is None:
parent = self.root
attrib = attrib or {}
attrib.update(extras)
def in_attrib_and_number(key):
return key in attrib and isinstance(attrib[key], Number)
for pos, dim in (('x', 'width'), ('y', 'height')):
if in_attrib_and_number(dim) and attrib[dim] < 0:
attrib[dim] = - attrib[dim]
if in_attrib_and_number(pos):
attrib[pos] = attrib[pos] - attrib[dim]
for key, value in dict(attrib).items():
if value is None:
del attrib[key]
attrib[key] = to_str(value)
if key.endswith('_'):
attrib[key.rstrip('_')] = attrib[key]
del attrib[key]
elif key == 'href':
attrib[etree.QName(
'http://www.w3.org/1999/xlink', key)] = attrib[key]
del attrib[key]
return etree.SubElement(parent, tag, attrib)
def decorate(svg, node, metadata):
"""Add metedata next to a node"""
if not metadata:
return node
xlink = metadata.get('xlink')
if xlink:
if not isinstance(xlink, dict):
xlink = {'href': xlink, 'target': '_blank'}
node = svg.node(node, 'a', **xlink)
for key, value in metadata.items():
if key == 'xlink' and isinstance(value, dict):
value = value.get('href', value)
if value:
svg.node(node, 'desc', class_=key).text = to_str(value)
return node
def decorate(svg, node, metadata):
"""Add metedata next to a node"""
if not metadata:
return node
xlink = metadata.get('xlink')
if xlink:
if not isinstance(xlink, dict):
xlink = {'href': xlink, 'target': '_blank'}
node = svg.node(node, 'a', **xlink)
for key, value in metadata.items():
if key == 'xlink' and isinstance(value, dict):
value = value.get('href', value)
if value:
svg.node(node, 'desc', class_=key).text = to_str(value)
return node
def __call__(self, val):
if val is None:
return ''
return to_str(val)