def __call__(self, val):
if val is None:
return self.none_char
order = val and int(floor(log(abs(val)) / log(1000)))
orders = self.ORDERS.split(" ")[int(order > 0)]
if order == 0 or order > len(orders):
return float_format(val / (1000**int(order)))
return (float_format(val / (1000**int(order))) +
orders[int(order) - int(order > 0)])
def __call__(self, val):
if val is None:
return self.none_char
order = val and int(floor(log(abs(val)) / log(1000)))
orders = self.ORDERS.split(" ")[int(order > 0)]
if order == 0 or order > len(orders):
return float_format(val / (1000 ** int(order)))
return (
float_format(val / (1000 ** int(order))) +
orders[int(order) - int(order > 0)])
def _make_y_title(self):
"""Make the Y-Axis title"""
if self._y_title:
yc = self.margin_box.top + self.view.height / 2
for i, title_line in enumerate(self._y_title, 1):
text = self.svg.node(
self.nodes['title'], 'text', class_='title',
x=self._legend_at_left_width,
y=i * (self.style.title_font_size + self.spacing) + yc
)
text.attrib['transform'] = "rotate(%d %s %s)" % (
-90, float_format(self._legend_at_left_width), float_format(yc))
text.text = title_line
def _make_y_title(self):
"""Make the Y-Axis title"""
if self._y_title:
yc = self.margin_box.top + self.view.height / 2
for i, title_line in enumerate(self._y_title, 1):
text = self.svg.node(
self.nodes['title'],
'text',
class_='title',
x=self._legend_at_left_width,
y=i * (self.style.title_font_size + self.spacing) + yc)
text.attrib['transform'] = "rotate(%d %s %s)" % (
-90, float_format(
self._legend_at_left_width), float_format(yc))
text.text = title_line
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 = float_format(x) if type(x) == float else str(x)
self.svg.node(node, 'desc',
class_="y " + classes).text = float_format(y) if type(y) == float else str(y)
if xlabel:
self.svg.node(node, 'desc',
class_="x_label").text = float_format(xlabel) if type(xlabel) == float else 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 = float_format(x) if type(x) == float else str(x)
self.svg.node(
node, 'desc', class_="y " +
classes).text = float_format(y) if type(y) == float else str(y)
if xlabel:
self.svg.node(node, 'desc', class_="x_label").text = float_format(
xlabel) if type(xlabel) == float else to_str(xlabel)
def _x_axis(self, draw_axes=True):
"""Override x axis to make it polar"""
if not self._x_labels or not self.show_x_labels:
return
axis = self.svg.node(self.nodes['plot'],
class_="axis x web%s" %
(' always_show' if self.show_x_guides else ''))
format_ = coord_format(x)
center = self.view((0, 0))
r = self._rmax
# Can't simply determine truncation
truncation = self.truncate_label or 25
for label, theta in self._x_labels:
major = label in self._x_labels_major
if not (self.show_minor_x_labels or major):
continue
guides = self.svg.node(axis, class_='guides')
end = self.view((r, theta))
self.svg.node(
guides,
'path',
d='M%s L%s' % (format_(center), format_(end)),
class_='%s%sline' %
('axis ' if label == "0" else '', 'major ' if major else ''))
r_txt = (1 - self._box.__class__.margin) * self._box.ymax
pos_text = self.view((r_txt, theta))
text = self.svg.node(guides,
'text',
x=pos_text[0],
y=pos_text[1],
class_='major' if major else '')
text.text = truncate(label, truncation)
if text.text != label:
self.svg.node(guides, 'title').text = label
else:
self.svg.node(
guides,
'title',
).text = self._x_format(theta)
angle = -theta + pi / 2
if cos(angle) < 0:
angle -= pi
text.attrib['transform'] = 'rotate(%s %s)' % (float_format(
self.x_label_rotation or deg(angle)), format_(pos_text))
def _x_axis(self, draw_axes=True):
"""Override x axis to make it polar"""
if not self._x_labels or not self.show_x_labels:
return
axis = self.svg.node(self.nodes['plot'], class_="axis x web%s" % (
' always_show' if self.show_x_guides else ''
))
format_ = coord_format(x)
center = self.view((0, 0))
r = self._rmax
# Can't simply determine truncation
truncation = self.truncate_label or 25
for label, theta in self._x_labels:
major = label in self._x_labels_major
if not (self.show_minor_x_labels or major):
continue
guides = self.svg.node(axis, class_='guides')
end = self.view((r, theta))
self.svg.node(
guides, 'path',
d='M%s L%s' % (format_(center), format_(end)),
class_='%s%sline' % (
'axis ' if label == "0" else '',
'major ' if major else ''))
r_txt = (1 - self._box.__class__.margin) * self._box.ymax
pos_text = self.view((r_txt, theta))
text = self.svg.node(
guides, 'text',
x=pos_text[0],
y=pos_text[1],
class_='major' if major else '')
text.text = truncate(label, truncation)
if text.text != label:
self.svg.node(guides, 'title').text = label
else:
self.svg.node(
guides, 'title',
).text = self._x_format(theta)
angle = - theta + pi / 2
if cos(angle) < 0:
angle -= pi
text.attrib['transform'] = 'rotate(%s %s)' % (
float_format(self.x_label_rotation or deg(angle)), format_(pos_text))
def _y_axis(self):
"""Make the y axis: labels and guides"""
if not self._y_labels or not self.show_y_labels:
return
axis = self.svg.node(self.nodes['plot'], class_="axis y")
if (0 not in [label[1] for label in self._y_labels]
and self.show_y_guides):
self.svg.node(
axis,
'path',
d='M%s %s h%s' %
float_format(0, 0 if self.inverse_y_axis else self.view.height,
self.view.width),
class_='line')
for label, position in self._y_labels:
if self.horizontal:
major = label in self._y_labels_major
else:
major = position in self._y_labels_major
if not (self.show_minor_y_labels or major):
continue
guides = self.svg.node(
axis,
class_='%sguides' %
('logarithmic ' if self.logarithmic else ''))
x = -5
y = self.view.y(position)
if not y:
continue
if self.show_y_guides:
self.svg.node(
guides,
'path',
d='M%s %s h%s' % float_format(0, y, self.view.width),
class_='%s%s%sline' %
('axis ' if label == "0" else '', 'major '
if major else '', 'guide ' if position != 0 else ''))
text = self.svg.node(guides,
'text',
x=x,
y=y + .35 * self.style.label_font_size,
class_='major' if major else '')
text.text = label
if self.y_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
self.y_label_rotation, float_format(x), float_format(y))
if 90 < self.y_label_rotation < 270:
text.attrib['class'] = ' '.join(
(text.attrib['class']
and text.attrib['class'].split(' ') or []) +
['backwards'])
self.svg.node(
guides,
'title',
).text = self._format(position)
if self._y_2nd_labels:
secondary_ax = self.svg.node(self.nodes['plot'], class_="axis y2")
for label, position in self._y_2nd_labels:
major = position in self._y_labels_major
if not (self.show_minor_y_labels or major):
continue
# it is needed, to have the same structure as primary axis
guides = self.svg.node(secondary_ax, class_='guides')
x = self.view.width + 5
y = self.view.y(position)
text = self.svg.node(guides,
'text',
x=x,
y=y + .35 * self.style.label_font_size,
class_='major' if major else '')
text.text = label
if self.y_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
self.y_label_rotation, float_format(x),
float_format(y))
if 90 < self.y_label_rotation < 270:
text.attrib['class'] = ' '.join(
(text.attrib['class']
and text.attrib['class'].split(' ') or []) +
['backwards'])
def _x_axis(self):
"""Make the x axis: labels and guides"""
if not self._x_labels or not self.show_x_labels:
return
axis = self.svg.node(self.nodes['plot'],
class_="axis x%s" %
(' always_show' if self.show_x_guides else ''))
truncation = self.truncate_label
if not truncation:
if self.x_label_rotation or len(self._x_labels) <= 1:
truncation = 25
else:
first_label_position = self.view.x(self._x_labels[0][1]) or 0
last_label_position = self.view.x(self._x_labels[-1][1]) or 0
available_space = (last_label_position - first_label_position
) / (len(self._x_labels) - 1)
truncation = reverse_text_len(available_space,
self.style.label_font_size)
truncation = max(truncation, 1)
lastlabel = self._x_labels[-1][0]
if 0 not in [label[1] for label in self._x_labels]:
self.svg.node(axis,
'path',
d='M%s %s v%s' %
float_format(0, 0, self.view.height),
class_='line')
lastlabel = None
for label, position in self._x_labels:
if self.horizontal:
major = position in self._x_labels_major
else:
major = label in self._x_labels_major
if not (self.show_minor_x_labels or major):
continue
guides = self.svg.node(axis, class_='guides')
x = self.view.x(position)
if x is None:
continue
y = self.view.height + 5
last_guide = (self._y_2nd_labels and label == lastlabel)
self.svg.node(
guides,
'path',
d='M%s %s v%s' % float_format(x or 0, 0, self.view.height),
class_='%s%s%sline' %
('axis ' if label == "0" else '', 'major ' if major else '',
'guide ' if position != 0 and not last_guide else ''))
y += .5 * self.style.label_font_size + 5
text = self.svg.node(guides,
'text',
x=x,
y=y,
class_='major' if major else '')
text.text = truncate(label, truncation)
if text.text != label:
self.svg.node(guides, 'title').text = label
elif self._dual:
self.svg.node(
guides,
'title',
).text = self._x_format(position)
if self.x_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
self.x_label_rotation, float_format(x), float_format(y))
if self.x_label_rotation >= 180:
text.attrib['class'] = ' '.join(
(text.attrib['class']
and text.attrib['class'].split(' ') or []) +
['backwards'])
if self._y_2nd_labels and 0 not in [
label[1] for label in self._x_labels
]:
self.svg.node(axis,
'path',
d='M%f %f v%f' %
(self.view.width, 0, self.view.height),
class_='line')
if self._x_2nd_labels:
secondary_ax = self.svg.node(
self.nodes['plot'],
class_="axis x x2%s" %
(' always_show' if self.show_x_guides else ''))
for label, position in self._x_2nd_labels:
major = label in self._x_labels_major
if not (self.show_minor_x_labels or major):
continue
# it is needed, to have the same structure as primary axis
guides = self.svg.node(secondary_ax, class_='guides')
x = self.view.x(position)
y = -5
text = self.svg.node(guides,
'text',
x=x,
y=y,
class_='major' if major else '')
text.text = label
if self.x_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
-self.x_label_rotation, float_format(x),
float_format(y))
if self.x_label_rotation >= 180:
text.attrib['class'] = ' '.join(
(text.attrib['class']
and text.attrib['class'].split(' ') or []) +
['backwards'])
def _plot(self):
"""Insert a map in the chart and apply data on it"""
map = etree.fromstring(self.svg_map)
map.set('width', str(self.view.width))
map.set('height', str(self.view.height))
for i, serie in enumerate(self.series):
safe_vals = list(filter(
lambda x: x is not None, cut(serie.values, 1)))
if not safe_vals:
continue
min_ = min(safe_vals)
max_ = max(safe_vals)
for j, (area_code, value) in self.enumerate_values(serie):
area_code = self.adapt_code(area_code)
if value is None:
continue
if max_ == min_:
ratio = 1
else:
ratio = .3 + .7 * (value - min_) / (max_ - min_)
try:
areae = map.findall(
".//*[@class='%s%s %s map-element']" % (
self.area_prefix, area_code,
self.kind))
except SyntaxError:
# Python 2.6 (you'd better install lxml)
raise ImportError('lxml is required under python 2.6')
if not areae:
continue
for area in areae:
cls = area.get('class', '').split(' ')
cls.append('color-%d' % i)
cls.append('serie-%d' % i)
cls.append('series')
area.set('class', ' '.join(cls))
area.set('style', 'fill-opacity: %s' % float_format(ratio))
metadata = serie.metadata.get(j)
if metadata:
node = decorate(self.svg, area, metadata)
if node != area:
area.remove(node)
for g in map:
if area not in g:
continue
index = list(g).index(area)
g.remove(area)
node.append(area)
g.insert(index, node)
for node in area:
cls = node.get('class', '').split(' ')
cls.append('reactive')
cls.append('tooltip-trigger')
cls.append('map-area')
node.set('class', ' '.join(cls))
alter(node, metadata)
val = self._get_value((area_code, value))
self._tooltip_data(area, val, 0, 0, 'auto')
self.nodes['plot'].append(map)
def _y_axis(self):
"""Make the y axis: labels and guides"""
if not self._y_labels or not self.show_y_labels:
return
axis = self.svg.node(self.nodes['plot'], class_="axis y")
if (0 not in [label[1] for label in self._y_labels] and
self.show_y_guides):
self.svg.node(
axis, 'path',
d='M%s %s h%s' % float_format(
0, 0 if self.inverse_y_axis else self.view.height,
self.view.width),
class_='line'
)
for label, position in self._y_labels:
if self.horizontal:
major = label in self._y_labels_major
else:
major = position in self._y_labels_major
if not (self.show_minor_y_labels or major):
continue
guides = self.svg.node(axis, class_='%sguides' % (
'logarithmic ' if self.logarithmic else ''
))
x = -5
y = self.view.y(position)
if not y:
continue
if self.show_y_guides:
self.svg.node(
guides, 'path',
d='M%s %s h%s' % float_format(0, y, self.view.width),
class_='%s%s%sline' % (
'axis ' if label == "0" else '',
'major ' if major else '',
'guide ' if position != 0 else ''))
text = self.svg.node(
guides, 'text',
x=x,
y=y + .35 * self.style.label_font_size,
class_='major' if major else ''
)
text.text = label
if self.y_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
self.y_label_rotation, float_format(x), float_format(y))
if 90 < self.y_label_rotation < 270:
text.attrib['class'] = ' '.join(
(text.attrib['class'] and text.attrib['class'].split(
' ') or []) + ['backwards'])
self.svg.node(
guides, 'title',
).text = self._format(position)
if self._y_2nd_labels:
secondary_ax = self.svg.node(
self.nodes['plot'], class_="axis y2")
for label, position in self._y_2nd_labels:
major = position in self._y_labels_major
if not (self.show_minor_y_labels or major):
continue
# it is needed, to have the same structure as primary axis
guides = self.svg.node(secondary_ax, class_='guides')
x = self.view.width + 5
y = self.view.y(position)
text = self.svg.node(
guides, 'text',
x=x,
y=y + .35 * self.style.label_font_size,
class_='major' if major else ''
)
text.text = label
if self.y_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
self.y_label_rotation, float_format(x), float_format(y))
if 90 < self.y_label_rotation < 270:
text.attrib['class'] = ' '.join(
(text.attrib['class'] and
text.attrib['class'].split(
' ') or []) + ['backwards'])
def _x_axis(self):
"""Make the x axis: labels and guides"""
if not self._x_labels or not self.show_x_labels:
return
axis = self.svg.node(self.nodes['plot'], class_="axis x%s" % (
' always_show' if self.show_x_guides else ''
))
truncation = self.truncate_label
if not truncation:
if self.x_label_rotation or len(self._x_labels) <= 1:
truncation = 25
else:
first_label_position = self.view.x(self._x_labels[0][1]) or 0
last_label_position = self.view.x(self._x_labels[-1][1]) or 0
available_space = (
last_label_position - first_label_position) / (
len(self._x_labels) - 1)
truncation = reverse_text_len(
available_space, self.style.label_font_size)
truncation = max(truncation, 1)
lastlabel = self._x_labels[-1][0]
if 0 not in [label[1] for label in self._x_labels]:
self.svg.node(axis, 'path',
d='M%s %s v%s' % float_format(0, 0, self.view.height),
class_='line')
lastlabel = None
for label, position in self._x_labels:
if self.horizontal:
major = position in self._x_labels_major
else:
major = label in self._x_labels_major
if not (self.show_minor_x_labels or major):
continue
guides = self.svg.node(axis, class_='guides')
x = self.view.x(position)
if x is None:
continue
y = self.view.height + 5
last_guide = (self._y_2nd_labels and label == lastlabel)
self.svg.node(
guides, 'path',
d='M%s %s v%s' % float_format(x or 0, 0, self.view.height),
class_='%s%s%sline' % (
'axis ' if label == "0" else '',
'major ' if major else '',
'guide ' if position != 0 and not last_guide else ''))
y += .5 * self.style.label_font_size + 5
text = self.svg.node(
guides, 'text',
x=x,
y=y,
class_='major' if major else ''
)
text.text = truncate(label, truncation)
if text.text != label:
self.svg.node(guides, 'title').text = label
elif self._dual:
self.svg.node(
guides, 'title',
).text = self._x_format(position)
if self.x_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
self.x_label_rotation, float_format(x), float_format(y))
if self.x_label_rotation >= 180:
text.attrib['class'] = ' '.join(
(text.attrib['class'] and text.attrib['class'].split(
' ') or []) + ['backwards'])
if self._y_2nd_labels and 0 not in [
label[1] for label in self._x_labels]:
self.svg.node(axis, 'path',
d='M%f %f v%f' % (
self.view.width, 0, self.view.height),
class_='line')
if self._x_2nd_labels:
secondary_ax = self.svg.node(
self.nodes['plot'], class_="axis x x2%s" % (
' always_show' if self.show_x_guides else ''
))
for label, position in self._x_2nd_labels:
major = label in self._x_labels_major
if not (self.show_minor_x_labels or major):
continue
# it is needed, to have the same structure as primary axis
guides = self.svg.node(secondary_ax, class_='guides')
x = self.view.x(position)
y = -5
text = self.svg.node(
guides, 'text',
x=x,
y=y,
class_='major' if major else ''
)
text.text = label
if self.x_label_rotation:
text.attrib['transform'] = "rotate(%d %s %s)" % (
-self.x_label_rotation, float_format(x), float_format(y))
if self.x_label_rotation >= 180:
text.attrib['class'] = ' '.join((
text.attrib['class'] and
text.attrib['class'].split(
' ') or []) + ['backwards'])
def _plot(self):
"""Insert a map in the chart and apply data on it"""
map = etree.fromstring(self.svg_map)
map.set('width', str(self.view.width))
map.set('height', str(self.view.height))
for i, serie in enumerate(self.series):
safe_vals = list(filter(
lambda x: x is not None, cut(serie.values, 1)))
if not safe_vals:
continue
min_ = min(safe_vals)
max_ = max(safe_vals)
for j, (area_code, value) in self.enumerate_values(serie):
area_code = self.adapt_code(area_code)
if value is None:
continue
if max_ == min_:
ratio = 1
else:
ratio = .3 + .7 * (value - min_) / (max_ - min_)
try:
areae = map.findall(
".//*[@class='%s%s %s map-element']" % (
self.area_prefix, area_code,
self.kind))
except SyntaxError:
# Python 2.6 (you'd better install lxml)
raise ImportError('lxml is required under python 2.6')
if not areae:
continue
for area in areae:
cls = area.get('class', '').split(' ')
cls.append('color-%d' % i)
cls.append('serie-%d' % i)
cls.append('series')
area.set('class', ' '.join(cls))
area.set('style', 'fill-opacity: %s' % float_format(ratio))
metadata = serie.metadata.get(j)
if metadata:
node = decorate(self.svg, area, metadata)
if node != area:
area.remove(node)
for g in map:
if area not in g:
continue
index = list(g).index(area)
g.remove(area)
node.append(area)
g.insert(index, node)
for node in area:
cls = node.get('class', '').split(' ')
cls.append('reactive')
cls.append('tooltip-trigger')
cls.append('map-area')
node.set('class', ' '.join(cls))
alter(node, metadata)
val = self._get_value((area_code, value))
self._tooltip_data(area, val, 0, 0, 'auto')
self.nodes['plot'].append(map)