Created
June 15, 2016 08:01
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Show hide block tag DJANGO
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| from django.template import Node | |
| class ShowHideNode(Node): | |
| def __init__(self, nodelist, token_param_name): | |
| self.nodelist = nodelist | |
| self.token_param_name = token_param_name | |
| def _get_readonly_value_from_context(self, context): | |
| hide = context[self.token_param_name] | |
| return hide | |
| def render(self, context): | |
| hide = self._get_readonly_value_from_context(context) | |
| if hide: | |
| return '' | |
| else: | |
| return self.nodelist.render(context) | |
| @register.tag | |
| def hidereadonly(parser, token, *args, **kwargs): | |
| nodelist = parser.parse(('endhidereadonly',)) | |
| parser.delete_first_token() | |
| token_param_name = token.split_contents()[1] | |
| return ShowHideNode(nodelist, token_param_name) |
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