list_per_page 500 to allow position re-ordering for large list

urbstudio/static/css/projects.css

@@ -22,6 +22,4 @@ border:1px inset #999;
 overflow-y:auto; 
 } 
 
-#slidesContainer
-{-webkit-touch-callout: none;}
 

urbstudio/urb/admin.py

@@ -6,14 +6,27 @@ class ProjectImageInline(admin.TabularInline):
     model = ProjectImage
     extra = 20
 
+
 class ProjectAdmin(admin.ModelAdmin):
+    class Media:
+        js = (
+            'js/jquery-ui-1.8.16.custom.min.js',
+            'js/admin_list_reorder.js',
+        )
+
     prepopulated_fields = {'slug': ('title',)}
     inlines = [ProjectImageInline]
+    list_display = ('__unicode__', 'position',)
+    list_editable = ('position',)
+    exclude = ('position',)
+    list_per_page = 500
+
 
 class SliderImageAdmin(admin.ModelAdmin):
     list_display = ('__unicode__', 'order',)
     list_editable = ('order',)
 
+
 admin.site.register(Project, ProjectAdmin)
 admin.site.register(SliderImage, SliderImageAdmin)
 admin.site.register(Link)

urbstudio/urb/models.py

@@ -7,6 +7,7 @@ def project_thumb_path(instance, filename):
 
 
 class Project(models.Model):
+    position = models.IntegerField()
     title = models.CharField(max_length=255)
     slug = models.SlugField()
     thumb_image = models.ImageField(upload_to=project_thumb_path)
@@ -17,8 +18,22 @@ class Project(models.Model):
 #    end_date = models.DateField(blank=True)
 #    location = models.CharField(max_length=255, blank=True)
 
+    def save(self, *args, **kwargs):
+        model = self.__class__
+        
+        if self.position is None:
+            # Append
+            try:
+                last = model.objects.order_by('-position')[0]
+                self.position = last.position + 1
+            except IndexError:
+                # First row
+                self.position = 0
+        
+        return super(Project, self).save(*args, **kwargs)
+
     class Meta:
-        ordering = ['-id']
+        ordering = ['position']
 
     def get_info(self):
         return {