Implementation of Folder Jumping

modules/templates/helper.go

 			}
 			return "tab-size-8"
 		},
+		"SubJumpablePath": func(str string) []string {
+			var path []string
+			index := strings.LastIndex(str, "/")
+			if index != -1 && index != len(str) {
+				path = append(path, string(str[0:index+1]))
+				path = append(path, string(str[index+1:]))
+			} else {
+				path = append(path, str)
+			}
+			return path
+		},
 	}}
 }
 

public/css/index.css

 .repository.file.list #repo-files-table tr:hover {
   background-color: #ffffEE;
 }
+.repository.file.list #repo-files-table .jumpable-path {
+  color: #888;
+}
 .repository.file.list #file-content .header .icon {
   font-size: 1em;
   margin-top: -2px;

public/less/_repository.less

 			tr:hover {
 				background-color: #ffffEE;
 			}
+            .jumpable-path {
+                color: #888;
+            }
 		}
 
 		#file-content {

templates/repo/view_list.tmpl

 					</td>
 				{{else}}
 					<td class="name">
-						<span class="octicon octicon-file-{{if or $entry.IsDir}}directory{{else}}text{{end}}"></span>
-						<a href="{{EscapePound $.TreeLink}}/{{EscapePound $entry.Name}}">{{$entry.Name}}</a>
+						{{if $entry.IsDir}}
+							{{$subJumpablePathName := $entry.GetSubJumpablePathName}}
+							{{$subJumpablePath := SubJumpablePath $subJumpablePathName}}
+							<span class="octicon octicon-file-directory"></span>
+							<a href="{{EscapePound $.TreeLink}}/{{EscapePound $subJumpablePathName}}">
+								{{if eq (len $subJumpablePath) 2}}
+									<span class="jumpable-path">{{index  $subJumpablePath 0}}</span>{{index  $subJumpablePath 1}}
+								{{else}}
+									{{index $subJumpablePath 0}}
+								{{end}}
+							</a>
+						{{else}}
+							<span class="octicon octicon-file-text"></span>
+							<a href="{{EscapePound $.TreeLink}}/{{EscapePound $entry.Name}}">{{$entry.Name}}</a>
+						{{end}}
 					</td>
 				{{end}}
 				<td class="message collapsing has-emoji">

vendor/code.gitea.io/git/tree_entry.go

 	}
 }
 
+// GetSubJumpablePathName return the full path of subdirectory jumpable ( contains only one directory )
+func (te *TreeEntry) GetSubJumpablePathName() string {
+	if te.IsSubModule() || !te.IsDir() {
+		return ""
+	}
+	tree, err := te.ptree.SubTree(te.name)
+	if err != nil {
+		return te.name
+	}
+	entries, _ := tree.ListEntries()
+	if len(entries) == 1 && entries[0].IsDir() {
+		name := entries[0].GetSubJumpablePathName()
+		if name != "" {
+			return te.name + "/" + name
+		}
+	}
+	return te.name
+}
+
 // Entries a list of entry
 type Entries []*TreeEntry
 

vendor/vendor.json

 	"ignore": "test",
 	"package": [
 		{
-			"checksumSHA1": "OWuUWQ8sWC8n+eTQttx+3vfES8g=",
+			"checksumSHA1": "mIaKLz6373W+jDLjgE/Yzt/exeo=",
 			"path": "code.gitea.io/git",
-			"revision": "634abd6a61c350a95f6b146c3a5fc323282608ae",
-			"revisionTime": "2016-12-22T08:49:21Z"
+			"revision": "3d0fa331865619d2f3a7a0fcf23670a389310954",
+			"revisionTime": "2016-12-28T14:57:51Z"
 		},
 		{
 			"checksumSHA1": "dnGaLR7sd9D5YpQZP4QUGZiEq+c=",