Move zooming into its own component, imported via HTML Imports.

experimental/webtry/webtry.go

 package main
 
 import (
         "bytes"
         "crypto/md5"
         "database/sql"
         "encoding/base64"
         "encoding/json"
         "flag"
         "fmt"
@@ skipping 122 matching lines @@
         os.Chdir(cwd)
 
         codeTemplate, err = template.ParseFiles(filepath.Join(cwd, "templates/template.cpp"))
         if err != nil {
                 panic(err)
         }
         indexTemplate, err = htemplate.ParseFiles(
                 filepath.Join(cwd, "templates/index.html"),
                 filepath.Join(cwd, "templates/titlebar.html"),
                 filepath.Join(cwd, "templates/content.html"),
+                filepath.Join(cwd, "templates/headercommon.html"),
+                filepath.Join(cwd, "templates/footercommon.html"),
         )
         if err != nil {
                 panic(err)
         }
         iframeTemplate, err = htemplate.ParseFiles(
                 filepath.Join(cwd, "templates/iframe.html"),
                 filepath.Join(cwd, "templates/content.html"),
+                filepath.Join(cwd, "templates/headercommon.html"),
+                filepath.Join(cwd, "templates/footercommon.html"),
         )
         if err != nil {
                 panic(err)
         }
         recentTemplate, err = htemplate.ParseFiles(
                 filepath.Join(cwd, "templates/recent.html"),
                 filepath.Join(cwd, "templates/titlebar.html"),
+                filepath.Join(cwd, "templates/headercommon.html"),
+                filepath.Join(cwd, "templates/footercommon.html"),
         )
         if err != nil {
                 panic(err)
         }
         workspaceTemplate, err = htemplate.ParseFiles(
                 filepath.Join(cwd, "templates/workspace.html"),
                 filepath.Join(cwd, "templates/titlebar.html"),
                 filepath.Join(cwd, "templates/content.html"),
+                filepath.Join(cwd, "templates/headercommon.html"),
+                filepath.Join(cwd, "templates/footercommon.html"),
         )
         if err != nil {
                 panic(err)
         }
 
         // The git command returns output of the format:
         //
         //   f672cead70404080a991ebfb86c38316a4589b23 2014-04-27 19:21:51 +0000
         //
         logOutput, err := doCmd(`git log --format=%H%x20%ai HEAD^..HEAD`, true)
@@ skipping 513 matching lines @@
         http.HandleFunc("/json/", tryInfoHandler)
 
         // Resources are served directly
         // TODO add support for caching/etags/gzip
         http.Handle("/res/", http.FileServer(http.Dir("./")))
 
         // TODO Break out /c/ as it's own handler.
         http.HandleFunc("/", mainHandler)
         log.Fatal(http.ListenAndServe(*port, nil))
 }