Remove PaginationController interface and pass context instead. Refs #835.

@@ -93,14 +93,6 @@ type ControllerInterface interface {
 	URLMapping()
 }
 
-func (c *Controller) GetCtx() *context.Context {
-	return c.Ctx
-}
-
-func (c *Controller) GetData() map[interface{}]interface{} {
-	return c.Data
-}
-
 // Init generates default values of controller operations.
 func (c *Controller) Init(ctx *context.Context, controllerName, actionName string, app interface{}) {
 	c.Layout = ""

@@ -18,16 +18,9 @@ import (
 	"github.com/astaxie/beego/context"
 )
 
-type PaginationController interface {
-	GetCtx() *context.Context
-	GetData() map[interface{}]interface{}
-}
-
-// Instantiates a Paginator and assigns it to controller.Data["paginator"].
-func SetPaginator(controller PaginationController, per int, nums int64) (paginator *Paginator) {
-	request := controller.GetCtx().Request
-	paginator = NewPaginator(request, per, nums)
-	data := controller.GetData()
-	data["paginator"] = paginator
+// Instantiates a Paginator and assigns it to context.Input.Data["paginator"].
+func SetPaginator(context *context.Context, per int, nums int64) (paginator *Paginator) {
+	paginator = NewPaginator(context.Request, per, nums)
+	context.Input.Data["paginator"] = paginator
 	return
 }

@@ -18,7 +18,7 @@ In your beego.Controller:
  func (this *PostsController) ListAllPosts() {
      // sets this.Data["paginator"] with the current offset (from the url query param)
      postsPerPage := 20
-     paginator := pagination.SetPaginator(this, postsPerPage, CountPosts())
+     paginator := pagination.SetPaginator(this.Ctx, postsPerPage, CountPosts())
 
      // fetch the next 20 posts
      this.Data["posts"] = ListPostsByOffsetAndLimit(paginator.Offset(), postsPerPage)