Admin interface greatly improved. Support for editing Attributes added.

Resolves #503. Resolves #201.

src/typeclasses/admin.py

@@ -0,0 +1,64 @@
+from django.contrib import admin
+from django.contrib.admin import ModelAdmin
+from django.core.urlresolvers import reverse
+from django.forms import Textarea
+from src.typeclasses.models import Attribute, Tag
+
+
+class PickledWidget(Textarea):
+    pass
+
+
+class TagAdmin(admin.ModelAdmin):
+    fields = ('db_key', 'db_category', 'db_data')
+
+
+class TagInline(admin.TabularInline):
+    # Set this to the through model of your desired M2M when subclassing.
+    model = None
+    raw_id_fields = ('tag',)
+    extra = 0
+
+
+class AttributeInline(admin.TabularInline):
+    """
+    Inline creation of player attributes
+    """
+    # Set this to the through model of your desired M2M when subclassing.
+    model = None
+    extra = 3
+    #form = AttributeForm
+    fields = ('attribute', 'key', 'value', 'strvalue')
+    raw_id_fields = ('attribute',)
+    readonly_fields = ('key', 'value', 'strvalue')
+
+    def key(self, instance):
+        if not instance.id:
+            return "Not yet set or saved."
+        return '<strong><a href="%s">%s</a></strong>' % (
+            reverse("admin:typeclasses_attribute_change",
+                    args=[instance.attribute.id]),
+            instance.attribute.db_key)
+
+    key.allow_tags = True
+
+    def value(self, instance):
+        if not instance.id:
+            return "Not yet set or saved."
+        return instance.attribute.db_value
+
+    def strvalue(self, instance):
+        if not instance.id:
+            return "Not yet set or saved."
+        return instance.attribute.db_strvalue
+
+
+class AttributeAdmin(ModelAdmin):
+    """
+    Defines how to display the attributes
+    """
+    search_fields = ('db_key', 'db_strvalue', 'db_value')
+    list_display = ('db_key', 'db_strvalue', 'db_value')
+
+admin.site.register(Attribute, AttributeAdmin)
+admin.site.register(Tag, TagAdmin)