285 lines
11 KiB
Python
285 lines
11 KiB
Python
from django import forms
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from django.utils.translation import ugettext_lazy as _
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from django.utils.translation import ugettext
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from django.http import HttpResponseRedirect
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from django.utils.http import urlencode
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from django.core.urlresolvers import reverse
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from django.utils.safestring import mark_safe
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from django.forms.formsets import formset_factory
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from staging import StagingFile
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from common.wizard import BoundFormWizard
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from common.forms import DetailForm
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from models import Document, DocumentType, DocumentTypeMetadataType, \
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DocumentPage, DocumentPageTransformation
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from documents.conf.settings import AVAILABLE_FUNCTIONS
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from documents.conf.settings import AVAILABLE_MODELS
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class DocumentPageTransformationForm(forms.ModelForm):
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class Meta:
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model = DocumentPageTransformation
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def __init__(self, *args, **kwargs):
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super(DocumentPageTransformationForm, self).__init__(*args, **kwargs)
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self.fields['document_page'].widget = forms.HiddenInput()
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class DocumentPageImageWidget(forms.widgets.Widget):
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def render(self, name, value, attrs=None):
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if value:
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output = []
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output.append('<div style="overflow: auto;"><img src="%(img)s?page=%(page)s" /></div>' % {
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'img': reverse('document_display', args=[value.document.id]),
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'page': value.page_number,
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})
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return mark_safe(u''.join(output))
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else:
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return u''
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class DocumentPageForm(DetailForm):
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class Meta:
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model = DocumentPage
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exclude = ('document_type')
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def __init__(self, *args, **kwargs):
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super(DocumentPageForm, self).__init__(*args, **kwargs)
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self.fields['page_image'].initial = self.instance
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self.fields.keyOrder = [
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'page_image',
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'page_label',
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'content',
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]
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page_image = forms.CharField(widget=DocumentPageImageWidget())
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class DocumentPageForm_edit(forms.ModelForm):
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class Meta:
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model = DocumentPage
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fields = ('page_label', 'content')
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def __init__(self, *args, **kwargs):
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super(DocumentPageForm_edit, self).__init__(*args, **kwargs)
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self.fields['page_image'].initial = self.instance
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self.fields.keyOrder = [
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'page_image',
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'page_label',
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'content',
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]
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page_image = forms.CharField(required=False, widget=DocumentPageImageWidget())
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class ImageWidget(forms.widgets.Widget):
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def render(self, name, value, attrs=None):
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output = []
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page_count = value.documentpage_set.count()
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output.append(
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'<br /><span class="famfam active famfam-page_white_copy"></span>%s<br />' %
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ugettext(u'Pages'))
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for page in value.documentpage_set.all():
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output.append(
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'<span>%(page)s)<a rel="gallery_1" class="fancybox-iframe" href="%(url)s"><img src="%(img)s?page=%(page)s" /></a></span>' % {
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'url': reverse('document_page_view', args=[page.id]),
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'img': reverse('document_preview_multipage', args=[value.id]),
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'page': page.page_number,
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})
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output.append(
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'<br /><span class="famfam active famfam-magnifier"></span>%s' %
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ugettext(u'Click on the image for full size view'))
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return mark_safe(u''.join(output))
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#TODO: Turn this into a base form and let others inherit
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class DocumentForm(forms.ModelForm):
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def __init__(self, *args, **kwargs):
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super(DocumentForm, self).__init__(*args, **kwargs)
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if 'initial' in kwargs:
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if 'document_type' in kwargs['initial']:
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if 'document_type' in self.fields:
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#To allow merging with DocumentForm_edit
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self.fields['document_type'].widget = forms.HiddenInput()
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filenames_qs = kwargs['initial']['document_type'].documenttypefilename_set.filter(enabled=True)
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if filenames_qs.count() > 0:
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self.fields['document_type_available_filenames'] = forms.ModelChoiceField(
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queryset=filenames_qs,
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required=False,
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label=_(u'Quick document rename'))
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class Meta:
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model = Document
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exclude = ('description',)
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class DocumentPreviewForm(forms.Form):
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def __init__(self, *args, **kwargs):
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self.document = kwargs.pop('document', None)
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super(DocumentPreviewForm, self).__init__(*args, **kwargs)
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self.fields['preview'].initial = self.document
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preview = forms.CharField(widget=ImageWidget())
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class DocumentContentForm(forms.Form):
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def __init__(self, *args, **kwargs):
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self.document = kwargs.pop('document', None)
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super(DocumentContentForm, self).__init__(*args, **kwargs)
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content = []
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self.fields['contents'].initial = u''
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for page in self.document.documentpage_set.all():
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if page.content:
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content.append(page.content)
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content.append(u'\n\n\n - Page %s - \n\n\n' % page.page_number)
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self.fields['contents'].initial = u''.join(content)
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contents = forms.CharField(
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label=_(u'Contents'),
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widget=forms.widgets.Textarea(attrs={'rows': 14, 'cols': 80, 'readonly': 'readonly'}))
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class DocumentForm_view(DetailForm):
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class Meta:
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model = Document
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exclude = ('file',)
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class DocumentForm_edit(DocumentForm):
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class Meta:
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model = Document
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exclude = ('file', 'document_type')
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new_filename = forms.CharField(label=_(u'New document filename'), required=False)
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class StagingDocumentForm(forms.Form):
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def __init__(self, *args, **kwargs):
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super(StagingDocumentForm, self).__init__(*args, **kwargs)
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try:
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self.fields['staging_file_id'].choices = [(staging_file.id, staging_file) for staging_file in StagingFile.get_all()]
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except:
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pass
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if 'initial' in kwargs:
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if 'document_type' in kwargs['initial']:
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filenames_qs = kwargs['initial']['document_type'].documenttypefilename_set.filter(enabled=True)
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if filenames_qs.count() > 0:
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self.fields['document_type_available_filenames'] = forms.ModelChoiceField(
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queryset=filenames_qs,
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required=False,
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label=_(u'Quick document rename'))
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staging_file_id = forms.ChoiceField(label=_(u'Staging file'))
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class DocumentTypeSelectForm(forms.Form):
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document_type = forms.ModelChoiceField(queryset=DocumentType.objects.all())
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class MetadataForm(forms.Form):
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def __init__(self, *args, **kwargs):
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super(MetadataForm, self).__init__(*args, **kwargs)
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#Set form fields initial values
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if 'initial' in kwargs:
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self.metadata_type = kwargs['initial'].pop('metadata_type', None)
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self.document_type = kwargs['initial'].pop('document_type', None)
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required = self.document_type.documenttypemetadatatype_set.get(metadata_type=self.metadata_type).required
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required_string = u''
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if required:
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self.fields['value'].required = True
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required_string = ' (%s)' % ugettext(u'required')
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else:
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#TODO: FIXME: not working correctly
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self.fields['value'].required = False
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self.fields['name'].initial = '%s%s' % ((self.metadata_type.title if self.metadata_type.title else self.metadata_type.name), required_string)
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self.fields['id'].initial = self.metadata_type.id
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if self.metadata_type.default:
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try:
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self.fields['value'].initial = eval(self.metadata_type.default, AVAILABLE_FUNCTIONS)
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except Exception, err:
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self.fields['value'].initial = err
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if self.metadata_type.lookup:
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try:
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choices = eval(self.metadata_type.lookup, AVAILABLE_MODELS)
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self.fields['value'] = forms.ChoiceField(label=self.fields['value'].label)
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choices = zip(choices, choices)
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if not required:
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choices.insert(0, ('', '------'))
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self.fields['value'].choices = choices
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self.fields['value'].required = required
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except Exception, err:
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self.fields['value'].initial = err
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self.fields['value'].widget = forms.TextInput(attrs={'readonly': 'readonly'})
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id = forms.CharField(label=_(u'id'), widget=forms.HiddenInput)
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name = forms.CharField(label=_(u'Name'),
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required=False, widget=forms.TextInput(attrs={'readonly': 'readonly'}))
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value = forms.CharField(label=_(u'Value'), required=False)
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MetadataFormSet = formset_factory(MetadataForm, extra=0)
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class DocumentCreateWizard(BoundFormWizard):
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def generate_metadata_initial_values(self):
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initial = []
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for item in DocumentTypeMetadataType.objects.filter(document_type=self.document_type):
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initial.append({
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'metadata_type': item.metadata_type,
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'document_type': self.document_type,
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})
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return initial
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def __init__(self, *args, **kwargs):
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self.urldata = []
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self.multiple = kwargs.pop('multiple', True)
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self.step_titles = kwargs.pop('step_titles', [
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_(u'step 1 of 2: Document type'),
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_(u'step 2 of 2: Document metadata'),
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])
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self.document_type = kwargs.pop('document_type', None)
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super(DocumentCreateWizard, self).__init__(*args, **kwargs)
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if self.document_type:
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self.initial = {0: self.generate_metadata_initial_values()}
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def render_template(self, request, form, previous_fields, step, context=None):
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context = {'step_title': self.extra_context['step_titles'][step]}
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return super(DocumentCreateWizard, self).render_template(request, form, previous_fields, step, context)
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def parse_params(self, request, *args, **kwargs):
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self.extra_context = {'step_titles': self.step_titles}
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def process_step(self, request, form, step):
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if isinstance(form, DocumentTypeSelectForm):
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self.document_type = form.cleaned_data['document_type']
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self.initial = {1: self.generate_metadata_initial_values()}
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if isinstance(form, MetadataFormSet):
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for identifier, metadata in enumerate(form.cleaned_data):
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if metadata['value']:
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self.urldata.append(('metadata%s_id' % identifier, metadata['id']))
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self.urldata.append(('metadata%s_value' % identifier, metadata['value']))
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def get_template(self, step):
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return 'generic_wizard.html'
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def done(self, request, form_list):
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if self.multiple:
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view = 'upload_multiple_documents_with_type'
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else:
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view = 'upload_document_with_type'
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url = reverse(view, args=[self.document_type.id])
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return HttpResponseRedirect('%s?%s' % (url, urlencode(self.urldata)))
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