You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

504 lines
16 KiB

from random import randint
from django.template import Template
from django.template.loader import render_to_string
from django.utils.text import slugify
from .layout import Div, Field, LayoutObject, TemplateNameMixin
from .utils import TEMPLATE_PACK, flatatt, render_field
class PrependedAppendedText(Field):
template = "%s/layout/prepended_appended_text.html"
def __init__(self, field, prepended_text=None, appended_text=None, input_size=None, *args, **kwargs):
self.field = field
self.appended_text = appended_text
self.prepended_text = prepended_text
if "active" in kwargs:
self.active = kwargs.pop("active")
self.input_size = input_size
css_class = kwargs.get("css_class", "")
# Bootstrap 3
if "input-lg" in css_class:
self.input_size = "input-lg"
if "input-sm" in css_class:
self.input_size = "input-sm"
super().__init__(field, *args, **kwargs)
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, extra_context=None, **kwargs):
extra_context = extra_context.copy() if extra_context is not None else {}
extra_context.update(
{
"crispy_appended_text": self.appended_text,
"crispy_prepended_text": self.prepended_text,
"input_size": self.input_size,
"active": getattr(self, "active", False),
"wrapper_class": self.wrapper_class,
}
)
template = self.get_template_name(template_pack)
return render_field(
self.field,
form,
form_style,
context,
template=template,
attrs=self.attrs,
template_pack=template_pack,
extra_context=extra_context,
**kwargs,
)
class AppendedText(PrependedAppendedText):
def __init__(self, field, text, *args, **kwargs):
kwargs.pop("appended_text", None)
kwargs.pop("prepended_text", None)
self.text = text
super().__init__(field, appended_text=text, **kwargs)
class PrependedText(PrependedAppendedText):
def __init__(self, field, text, *args, **kwargs):
kwargs.pop("appended_text", None)
kwargs.pop("prepended_text", None)
self.text = text
super().__init__(field, prepended_text=text, **kwargs)
class FormActions(LayoutObject):
"""
Bootstrap layout object. It wraps fields in a <div class="form-actions">
Example::
FormActions(
HTML(<span style="display: hidden;">Information Saved</span>),
Submit('Save', 'Save', css_class='btn-primary')
)
"""
template = "%s/layout/formactions.html"
def __init__(self, *fields, **kwargs):
self.fields = list(fields)
self.template = kwargs.pop("template", self.template)
self.attrs = kwargs
if "css_class" in self.attrs:
self.attrs["class"] = self.attrs.pop("css_class")
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
html = self.get_rendered_fields(form, form_style, context, template_pack, **kwargs)
template = self.get_template_name(template_pack)
context.update({"formactions": self, "fields_output": html})
return render_to_string(template, context.flatten())
def flat_attrs(self):
return flatatt(self.attrs)
class InlineCheckboxes(Field):
"""
Layout object for rendering checkboxes inline::
InlineCheckboxes('field_name')
"""
template = "%s/layout/checkboxselectmultiple_inline.html"
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
return super().render(
form, form_style, context, template_pack=template_pack, extra_context={"inline_class": "inline"}
)
class InlineRadios(Field):
"""
Layout object for rendering radiobuttons inline::
InlineRadios('field_name')
"""
template = "%s/layout/radioselect_inline.html"
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
return super().render(
form, form_style, context, template_pack=template_pack, extra_context={"inline_class": "inline"}
)
class FieldWithButtons(Div):
"""
A layout object for rendering a single field with any number of buttons.
Args:
fields : str or LayoutObject
The first positional argument is the field. This can be either the
name of the field as a string or an instance of `Field`. Following
arguments will be rendered as buttons.
input_size : str
Additional CSS class to change the size of the input. e.g.
"input-group-sm".
kwargs
Additional kwargs to be passed to the parent `Div` Layout Object.
Example::
FieldWithButtons(
Field("password1", css_class="span4"),
StrictButton("Go!", css_id="go-button"),
input_size="input-group-sm",
)
"""
template = "%s/layout/field_with_buttons.html"
field_template = "%s/field.html"
def __init__(self, *fields, input_size=None, **kwargs):
self.input_size = input_size
super().__init__(*fields, **kwargs)
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, extra_context=None, **kwargs):
# We first render the buttons
field_template = self.field_template % template_pack
buttons = "".join(
render_field(
field,
form,
form_style,
context,
field_template,
layout_object=self,
template_pack=template_pack,
**kwargs,
)
for field in self.fields[1:]
)
extra_context = {"div": self, "buttons": buttons}
template = self.get_template_name(template_pack)
if isinstance(self.fields[0], Field):
# FieldWithButtons(Field('field_name'), StrictButton("go"))
# We render the field passing its name and attributes
return render_field(
self.fields[0][0],
form,
form_style,
context,
template,
attrs=self.fields[0].attrs,
template_pack=template_pack,
extra_context=extra_context,
**kwargs,
)
else:
return render_field(
self.fields[0], form, form_style, context, template, extra_context=extra_context, **kwargs
)
class StrictButton(TemplateNameMixin):
"""
Layout object for rendering an HTML button::
Button("button content", css_class="extra")
"""
template = "%s/layout/button.html"
field_classes = "btn"
def __init__(self, content, **kwargs):
self.content = content
self.template = kwargs.pop("template", self.template)
kwargs.setdefault("type", "button")
# We turn css_id and css_class into id and class
if "css_id" in kwargs:
kwargs["id"] = kwargs.pop("css_id")
kwargs["class"] = self.field_classes
if "css_class" in kwargs:
kwargs["class"] += " %s" % kwargs.pop("css_class")
self.flat_attrs = flatatt(kwargs)
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
self.content = Template(str(self.content)).render(context)
template = self.get_template_name(template_pack)
context.update({"button": self})
return render_to_string(template, context.flatten())
class Container(Div):
"""
Base class used for `Tab` and `AccordionGroup`, represents a basic container concept
"""
css_class = ""
def __init__(self, name, *fields, **kwargs):
super().__init__(*fields, **kwargs)
self.template = kwargs.pop("template", self.template)
self.name = name
self._active_originally_included = "active" in kwargs
self.active = kwargs.pop("active", False)
if not self.css_id:
self.css_id = slugify(self.name, allow_unicode=True)
def __contains__(self, field_name):
"""
check if field_name is contained within tab.
"""
return field_name in map(lambda pointer: pointer[1], self.get_field_names())
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
if self.active:
if "active" not in self.css_class:
self.css_class += " active"
else:
self.css_class = self.css_class.replace("active", "")
return super().render(form, form_style, context, template_pack)
class ContainerHolder(Div):
"""
Base class used for `TabHolder` and `Accordion`, groups containers
"""
def first_container_with_errors(self, errors):
"""
Returns the first container with errors, otherwise returns None.
"""
for tab in self.fields:
errors_here = any(error in tab for error in errors)
if errors_here:
return tab
return None
def open_target_group_for_form(self, form):
"""
Makes sure that the first group that should be open is open.
This is either the first group with errors or the first group
in the container, unless that first group was originally set to
active=False.
"""
target = self.first_container_with_errors(form.errors.keys())
if target is None:
target = self.fields[0]
if not getattr(target, "_active_originally_included", None):
target.active = True
return target
target.active = True
return target
class Tab(Container):
"""
Tab object. It wraps fields in a div whose default class is "tab-pane" and
takes a name as first argument. Example::
Tab('tab_name', 'form_field_1', 'form_field_2', 'form_field_3')
"""
css_class = "tab-pane"
link_template = "%s/layout/tab-link.html"
def render_link(self, template_pack=TEMPLATE_PACK, **kwargs):
"""
Render the link for the tab-pane. It must be called after render so css_class is updated
with active if needed.
"""
link_template = self.link_template % template_pack
return render_to_string(link_template, {"link": self})
class TabHolder(ContainerHolder):
"""
TabHolder object. It wraps Tab objects in a container. Requires bootstrap-tab.js::
TabHolder(
Tab('form_field_1', 'form_field_2'),
Tab('form_field_3')
)
"""
template = "%s/layout/tab.html"
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
for tab in self.fields:
tab.active = False
# Open the group that should be open.
self.open_target_group_for_form(form)
content = self.get_rendered_fields(form, form_style, context, template_pack)
links = "".join(tab.render_link(template_pack) for tab in self.fields)
context.update({"tabs": self, "links": links, "content": content})
template = self.get_template_name(template_pack)
return render_to_string(template, context.flatten())
class AccordionGroup(Container):
"""
Accordion Group (pane) object. It wraps given fields inside an accordion
tab. It takes accordion tab name as first argument::
AccordionGroup("group name", "form_field_1", "form_field_2")
"""
template = "%s/accordion-group.html"
data_parent = "" # accordion parent div id.
class Accordion(ContainerHolder):
"""
Accordion menu object. It wraps `AccordionGroup` objects in a container::
Accordion(
AccordionGroup("group name", "form_field_1", "form_field_2"),
AccordionGroup("another group name", "form_field")
)
"""
template = "%s/accordion.html"
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Accordion needs to have a unique id
if not self.css_id:
self.css_id = "-".join(["accordion", str(randint(1000, 9999))])
# AccordionGroup need to have 'data-parent="#Accordion.id"'
for accordion_group in args:
accordion_group.data_parent = self.css_id
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
content = ""
# Open the group that should be open.
self.open_target_group_for_form(form)
for group in self.fields:
group.data_parent = self.css_id
content += render_field(group, form, form_style, context, template_pack=template_pack, **kwargs)
template = self.get_template_name(template_pack)
context.update({"accordion": self, "content": content})
return render_to_string(template, context.flatten())
class Alert(Div):
"""
`Alert` generates markup in the form of an alert dialog
Alert(content='<strong>Warning!</strong> Best check yo self, you're not looking too good.')
"""
template = "%s/layout/alert.html"
css_class = "alert"
def __init__(self, content, dismiss=True, block=False, **kwargs):
fields = []
if block:
self.css_class += " alert-block"
Div.__init__(self, *fields, **kwargs)
self.template = kwargs.pop("template", self.template)
self.content = content
self.dismiss = dismiss
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
template = self.get_template_name(template_pack)
context.update({"alert": self, "content": self.content, "dismiss": self.dismiss})
return render_to_string(template, context.flatten())
class UneditableField(Field):
"""
Layout object for rendering fields as uneditable in bootstrap
Example::
UneditableField('field_name', css_class="input-xlarge")
"""
template = "%s/layout/uneditable_input.html"
def __init__(self, field, *args, **kwargs):
self.attrs = {"class": "uneditable-input"}
super().__init__(field, *args, **kwargs)
class InlineField(Field):
template = "%s/layout/inline_field.html"
class Modal(LayoutObject):
"""
Boostrap layout object for rendering crispy forms objects inside a bootstrap modal.
The following attributes can be set:
- `css_id`: modal's DOM id
- `css_class`: modal's DOM classes
- NOTE: "modal" and "fade" are applied by default on the template
- `title`: text to display in the modal's header
- NOTE: text will be wrapped in a <h5> tag
- `title_id`: title's DOM id
- `title_class`: titles's DOM classes
- NOTE: "modal-title" is applied by default on the template
- template
The default template which this Layout Object will be rendered
with
Example::
Modal(
'field1',
Div('field2'),
css_id="modal-id-ex",
css_class="modal-class-ex,
title="This is my modal",
)
"""
template = "%s/layout/modal.html"
def __init__(
self,
*fields,
template=None,
css_id="modal_id",
title="Modal Title",
title_id="modal_title_id",
css_class="",
title_class="",
**kwargs,
):
self.fields = list(fields)
self.template = template or self.template
self.css_id = css_id
self.css_class = css_class
self.title = title
self.title_id = title_id
self.title_class = title_class
kwargs = {**kwargs, "tabindex": "-1", "role": "dialog", "aria-labelledby": "%s-label" % self.title_id}
self.flat_attrs = flatatt(kwargs)
def render(self, form, form_style, context, template_pack=TEMPLATE_PACK, **kwargs):
fields = self.get_rendered_fields(form, form_style, context, template_pack, **kwargs)
template = self.get_template_name(template_pack)
return render_to_string(template, {"modal": self, "fields": fields})