Hugo preview mode. Update Plugin registration.

Former-commit-id: b6c33f0ae36e7caa8cf813eeb6f8fdeb554659e9 [formerly 4d62c13f0b7e5b7610a0c9037d646c2005e9ba88] [formerly 1e9ded0427d81084c92a68d5eddb8c7620fb189c [formerly ae8eaf96c43e252245bead932e43685c542d85e1]]
Former-commit-id: 76699219a6d176777f4478eab5141bba5a613a17 [formerly bb698073213359bebce84ea196b30e9467f448c0]
Former-commit-id: 538927b5a6fad024eb062cf746068372c384b883

filemanager.go

@@ -175,6 +175,8 @@ type Rule struct {
 	Regexp *Regexp `json:"regexp"`
 }
 
+type PluginHandler func(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error)
+
 // Regexp is a regular expression wrapper around native regexp.
 type Regexp struct {
 	Raw    string `json:"raw"`
@@ -185,8 +187,10 @@ type Plugin struct {
 	JavaScript    string
 	CommandEvents []string
 	Permissions   []Permission
-	Handler       PluginHandler
 	Options       interface{}
+	Handlers      map[string]PluginHandler `json:"-"`
+	BeforeAPI     PluginHandler `json:"-"`
+	AfterAPI      PluginHandler `json:"-"`
 }
 
 type Permission struct {
@@ -194,13 +198,6 @@ type Permission struct {
 	Value bool
 }
 
-type PluginHandler interface {
-	// If the Plugin returns (0, nil), the executation of File Manager will procced as usual.
-	// Otherwise it will stop.
-	Before(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error)
-	After(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error)
-}
-
 func RegisterPlugin(name string, plugin Plugin) {
 	if _, ok := plugins[name]; ok {
 		panic(name + " plugin is already registred")