Source code for distro_tracker.html.templatetags.bootstrap

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# This file has been forked from django-bootstrap-form which was
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# Copyright (c) Ming Hsien Tzang and individual contributors.
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"""Template tags to inject bootstrap-specific content on various elements."""

from django import forms, template
from django.template.loader import get_template

BOOTSTRAP_COLUMN_COUNT = 12

register = template.Library()


[docs]@register.filter def bootstrap(element): """Apply normal bootstrap formatting to a form.""" markup_classes = {'label': '', 'value': '', 'single_value': ''} return render(element, markup_classes)
[docs]@register.filter def bootstrap_inline(element): """Apply inline bootstrap formatting to a form.""" markup_classes = {'label': 'sr-only', 'value': '', 'single_value': ''} return render(element, markup_classes)
[docs]@register.filter def bootstrap_horizontal(element, label_cols=None): """Apply horizontal bootstrap formatting to a form.""" if not label_cols: label_cols = 'col-sm-2' markup_classes = { 'label': label_cols, 'value': '', 'single_value': '' } for cl in label_cols.split(' '): splited_class = cl.split('-') try: value_nb_cols = int(splited_class[-1]) except ValueError: value_nb_cols = BOOTSTRAP_COLUMN_COUNT if value_nb_cols >= BOOTSTRAP_COLUMN_COUNT: splited_class[-1] = BOOTSTRAP_COLUMN_COUNT else: offset_class = cl.split('-') offset_class[-1] = 'offset-' + str(value_nb_cols) splited_class[-1] = str(BOOTSTRAP_COLUMN_COUNT - value_nb_cols) markup_classes['single_value'] += ' ' + '-'.join(offset_class) markup_classes['single_value'] += ' ' + '-'.join(splited_class) markup_classes['value'] += ' ' + '-'.join(splited_class) return render(element, markup_classes)
[docs]def add_input_classes(field): """Add bootstrap classes to a field.""" if (not is_checkbox(field) and not is_multiple_checkbox(field) and not is_radio(field) and not is_file(field)): field_classes = field.field.widget.attrs.get('class', '') field_classes += ' form-control' field.field.widget.attrs['class'] = field_classes
[docs]def render(element, markup_classes): """Render various elements with our custom templates.""" element_type = element.__class__.__name__.lower() if element_type == 'boundfield': add_input_classes(element) template = get_template("html/bootstrap-field.html") context = {'field': element, 'classes': markup_classes} else: has_management = getattr(element, 'management_form', None) if has_management: for form in element.forms: for field in form.visible_fields(): add_input_classes(field) template = get_template("html/bootstrap-formset.html") context = {'formset': element, 'classes': markup_classes} else: for field in element.visible_fields(): add_input_classes(field) template = get_template("html/bootstrap-form.html") context = {'form': element, 'classes': markup_classes} return template.render(context)
[docs]@register.filter def is_checkbox(field): """Return True if the field is a Checkbox, False otherwise.""" return isinstance(field.field.widget, forms.CheckboxInput)
[docs]@register.filter def is_multiple_checkbox(field): """Return True if the field is a MultipleCheckbox, False otherwise.""" return isinstance(field.field.widget, forms.CheckboxSelectMultiple)
[docs]@register.filter def is_radio(field): """Return True if the field is a radio selector, False otherwise.""" return isinstance(field.field.widget, forms.RadioSelect)
[docs]@register.filter def is_file(field): """Return True if the field is a file selector, False otherwise.""" return isinstance(field.field.widget, forms.FileInput)