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Add variable to container name #13

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Add variable to container name #13

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216 changes: 117 additions & 99 deletions googlecharts/templatetags/googlecharts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,139 +7,157 @@

_api = getattr(settings, 'GOOGLECHARTS_API', '1.1')


class GooglechartsNode(template.Node):
def __init__(self, nodelist):
self._nodelist = nodelist
def __init__(self, nodelist):
self._nodelist = nodelist

def render_template(self, template, **kwargs):
from django.template.loader import render_to_string
return render_to_string(template, kwargs)

def render_template(self, template, **kwargs):
from django.template.loader import render_to_string
return render_to_string(template, kwargs)
def render(self, context):
js = self._nodelist.render(context)
return self.render_template('googlecharts/googlecharts.html', googlecharts_js=js, api=_api)

def render(self, context):
js = self._nodelist.render(context)
return self.render_template('googlecharts/googlecharts.html', googlecharts_js=js, api=_api)

@register.tag
def googlecharts(parser, token):
nodelist = parser.parse(['endgooglecharts'])
parser.delete_first_token()
return GooglechartsNode(nodelist)
nodelist = parser.parse(['endgooglecharts'])
parser.delete_first_token()
return GooglechartsNode(nodelist)


# {% data series "name" %}...{% enddata %}

def _remove_quotes(s):
if s[0] in ('"', "'") and s[-1] == s[0]:
return s[1:-1]
return s
if s[0] in ('"', "'") and s[-1] == s[0]:
return s[1:-1]
return s


class DataNode(template.Node):
def __init__(self, nodelist, name, series):
self._nodelist = nodelist
self._name = name
self._series = template.Variable(series)

def render(self, context):
'''
var googlecharts_data_%(name)s = [
%(data)s
null // fix trailing comma
];
googlecharts_data_%(name)s.pop();
googlecharts_data_%(name)s._cl = [%(cl)s];
'''
series = self._series.resolve(context)
nodelist = self._nodelist.get_nodes_by_type(ColNode)
data = []
for row in series:
data.append([node.render(context, row[i]) for i, node in enumerate(nodelist)])
data_str = ''.join(['[%s],' % ','.join(r) for r in data])
cl = ','.join(['["%s","%s"]' % (c._typename, c._label) for c in nodelist])
return self.render.__doc__ % {'name': self._name, 'data': data_str, 'cl': cl}
def __init__(self, nodelist, name, series):
self._nodelist = nodelist
self._name = name
self._series = template.Variable(series)

def render(self, context):
'''
var googlecharts_data_%(name)s = [
%(data)s
null // fix trailing comma
];
googlecharts_data_%(name)s.pop();
googlecharts_data_%(name)s._cl = [%(cl)s];
'''
series = self._series.resolve(context)
nodelist = self._nodelist.get_nodes_by_type(ColNode)
data = []
for row in series:
data.append([node.render(context, row[i]) for i, node in enumerate(nodelist)])
data_str = ''.join(['[%s],' % ','.join(r) for r in data])
cl = ','.join(['["%s","%s"]' % (c._typename, c._label) for c in nodelist])
return self.render.__doc__ % {'name': self._name, 'data': data_str, 'cl': cl}


@register.tag
def data(parser, token):
args = token.split_contents()
if len(args) < 2:
raise template.TemplateSyntaxError('%r tag requires at least one argument' % args[0])
while len(args) < 3:
args.append('default')
_, series, name = args
name = _remove_quotes(name)
nodelist = parser.parse(['enddata'])
parser.delete_first_token()
return DataNode(nodelist, name=name, series=series)
args = token.split_contents()
if len(args) < 2:
raise template.TemplateSyntaxError('%r tag requires at least one argument' % args[0])
while len(args) < 3:
args.append('default')
_, series, name = args
name = _remove_quotes(name)
nodelist = parser.parse(['enddata'])
parser.delete_first_token()
return DataNode(nodelist, name=name, series=series)


# {% col "type" "label" %}...{% endcol %}

class ColNode(template.Node):
def __init__(self, nodelist, typename, label):
self._nodelist = nodelist
self._typename = typename
self._label = label
def __init__(self, nodelist, typename, label):
self._nodelist = nodelist
self._typename = typename
self._label = label

def render(self, context, val):
context['val'] = val
return self._nodelist.render(context)

def render(self, context, val):
context['val'] = val
return self._nodelist.render(context)

@register.tag
def col(parser, token):
args = token.split_contents()
if len(args) < 2:
raise template.TemplateSyntaxError('%r tag requires at least one argument' % args[0])
while len(args) < 3:
args.append('')
_, typename, label = [_remove_quotes(s) for s in args]
nodelist = parser.parse(['endcol'])
parser.delete_first_token()
return ColNode(nodelist, typename=typename, label=label)
args = token.split_contents()
if len(args) < 2:
raise template.TemplateSyntaxError('%r tag requires at least one argument' % args[0])
while len(args) < 3:
args.append('')
_, typename, label = [_remove_quotes(s) for s in args]
nodelist = parser.parse(['endcol'])
parser.delete_first_token()
return ColNode(nodelist, typename=typename, label=label)


# {% options "name" %}...{% endoptions %}

class OptionsNode(template.Node):
def __init__(self, nodelist, name):
self._nodelist = nodelist
self._name = name

def render(self, context):
'''
var googlecharts_options_%(name)s = {
%(data)s
};
'''
return self.render.__doc__ % {'name': self._name, 'data': self._nodelist.render(context)}
def __init__(self, nodelist, name):
self._nodelist = nodelist
self._name = name

def render(self, context):
'''
var googlecharts_options_%(name)s = {
%(data)s
};
'''
return self.render.__doc__ % {'name': self._name, 'data': self._nodelist.render(context)}


@register.tag
def options(parser, token):
try:
_, name = token.split_contents()
name = _remove_quotes(name)
except ValueError:
name = 'default'
nodelist = parser.parse(['endoptions'])
parser.delete_first_token()
return OptionsNode(nodelist, name=name)
try:
_, name = token.split_contents()
name = _remove_quotes(name)
except ValueError:
name = 'default'
nodelist = parser.parse(['endoptions'])
parser.delete_first_token()
return OptionsNode(nodelist, name=name)


# {% graph "container" "data" "options" %}

class GraphNode(template.Node):
def __init__(self, **kwargs):
self._args = kwargs

def render(self, context):
'''
opt = _clone(googlecharts_options_%(options)s);
opt.container = "%(container)s";
opt.rows = googlecharts_data_%(data)s;
googlecharts.push(opt);
'''
return self.render.__doc__ % self._args
def __init__(self, container, data, options):
self._container = template.Variable(container)
self._data = data
# self._series = template.Variable(series)
self._options = options

def render(self, context):
'''
opt = _clone(googlecharts_options_%(options)s);
opt.container = "%(container)s";
opt.rows = googlecharts_data_%(data)s;
googlecharts.push(opt);
'''
try:
divContainer = self._container.resolve(context)
except template.VariableDoesNotExist:
divContainer = str(self._container)
return self.render.__doc__ % {'container': divContainer, 'data': self._data, 'options': self._options}


@register.tag
def graph(parser, token):
args = token.split_contents()
if len(args) < 2:
raise template.TemplateSyntaxError('%r tag requires at least one argument' % args[0])
while len(args) < 4:
args.append('default')
_, container, data, options = [_remove_quotes(s) for s in args]
return GraphNode(container=container, data=data, options=options)
args = token.split_contents()
if len(args) < 2:
raise template.TemplateSyntaxError('%r tag requires at least one argument' % args[0])
while len(args) < 4:
args.append('default')
_, container, data, options = [_remove_quotes(s) for s in args]
return GraphNode(container=container, data=data, options=options)