Added ability to specify default metadata or metadataset per document type

apps/documents/wizards.py

@@ -25,7 +25,7 @@ class DocumentCreateWizard(BoundFormWizard):
                 }
                 if data not in initial:
                     initial.append(data)
-
+    
         return initial
 
     def __init__(self, *args, **kwargs):
@@ -36,13 +36,9 @@ class DocumentCreateWizard(BoundFormWizard):
             _(u'step 2 of 3: Metadata selection'),
             _(u'step 3 of 3: Document metadata'),
             ])
-        self.document_type = kwargs.pop('document_type', None)
 
         super(DocumentCreateWizard, self).__init__(*args, **kwargs)
 
-        if self.document_type:
-            self.initial = {0: self.generate_metadata_initial_values()}
-
     def render_template(self, request, form, previous_fields, step, context=None):
         context = {'step_title': self.extra_context['step_titles'][step]}
         return super(DocumentCreateWizard, self).render_template(
@@ -55,6 +51,7 @@ class DocumentCreateWizard(BoundFormWizard):
     def process_step(self, request, form, step):
         if isinstance(form, DocumentTypeSelectForm):
             self.document_type = form.cleaned_data['document_type']
+            self.initial = {1: {'document_type': self.document_type}}
 
         if isinstance(form, MetadataSelectionForm):
             self.metadata_sets = form.cleaned_data['metadata_sets']
@@ -62,7 +59,7 @@ class DocumentCreateWizard(BoundFormWizard):
             initial_data = self.generate_metadata_initial_values()
             self.initial = {2: initial_data}
             if not initial_data:
-                # If there is no metadata selected end wizard
+                # If there is no metadata selected, finish wizard
                 self.form_list = [DocumentTypeSelectForm, MetadataSelectionForm]
 
         if isinstance(form, MetadataFormSet):

apps/metadata/admin.py

@@ -1,7 +1,7 @@
 from django.contrib import admin
 
 from metadata.models import MetadataType, MetadataSet, MetadataSetItem, \
-    DocumentMetadata
+    DocumentMetadata, DocumentTypeDefaults
 
 
 class MetadataTypeAdmin(admin.ModelAdmin):
@@ -26,5 +26,10 @@ class MetadataSetAdmin(admin.ModelAdmin):
     inlines = [MetadataSetItemInline]
 
 
+class DocumentTypeDefaultsAdmin(admin.ModelAdmin):
+    filter_horizontal = ('default_metadata_sets', 'default_metadata')
+    
+    
 admin.site.register(MetadataType, MetadataTypeAdmin)
 admin.site.register(MetadataSet, MetadataSetAdmin)
+admin.site.register(DocumentTypeDefaults, DocumentTypeDefaultsAdmin)

apps/metadata/forms.py

@@ -4,7 +4,8 @@ from django.forms.formsets import formset_factory
 
 from metadata.conf.settings import AVAILABLE_MODELS
 from metadata.conf.settings import AVAILABLE_FUNCTIONS
-from metadata.models import MetadataSet, MetadataType
+from metadata.models import MetadataSet, MetadataType, \
+    DocumentTypeDefaults
 
 
 class MetadataForm(forms.Form):
@@ -66,6 +67,18 @@ class MetadataRemoveForm(MetadataForm):
 
 
 class MetadataSelectionForm(forms.Form):
+    def __init__(self, *args, **kwargs):
+        #document_type = kwargs.pop('document_type', None)
+        super(MetadataSelectionForm, self).__init__(*args, **kwargs)
+        document_type = getattr(self, 'initial', {}).get('document_type', None)
+        if document_type:
+            try:
+                defaults = document_type.documenttypedefaults_set.get()
+                self.fields['metadata_sets'].initial = defaults.default_metadata_sets.all()
+                self.fields['metadata_types'].initial = defaults.default_metadata.all()
+            except DocumentTypeDefaults.DoesNotExist:
+                pass
+            
     metadata_sets = forms.ModelMultipleChoiceField(
         queryset=MetadataSet.objects.all(),
         label=_(u'Metadata sets'),

apps/metadata/models.py

@@ -1,7 +1,7 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import Document
+from documents.models import Document, DocumentType
 
 from metadata.conf.settings import AVAILABLE_MODELS
 from metadata.conf.settings import AVAILABLE_FUNCTIONS
@@ -30,6 +30,9 @@ class MetadataType(models.Model):
 
 
 class MetadataSet(models.Model):
+    """
+    Define a group of metadata types
+    """
     title = models.CharField(max_length=48, verbose_name=_(u'title'))
 
     def __unicode__(self):
@@ -72,3 +75,16 @@ class DocumentMetadata(models.Model):
     class Meta:
         verbose_name = _(u'document metadata')
         verbose_name_plural = _(u'document metadata')
+
+
+class DocumentTypeDefaults(models.Model):
+    document_type = models.ForeignKey(DocumentType, verbose_name=_(u'document type'))
+    default_metadata_sets = models.ManyToManyField(MetadataSet, blank=True, verbose_name=_(u'default metadata sets'))
+    default_metadata = models.ManyToManyField(MetadataType, blank=True, verbose_name=_(u'default metadata'))
+
+    def __unicode__(self):
+        return unicode(self.document_type)
+
+    class Meta:
+        verbose_name = _(u'document type defaults')
+        verbose_name_plural = _(u'document types defaults')