// If redirect is nil, the redirect will go to "/"
func LogoutView(redirect view.URL) view.View {
return view.RenderView(
func(context *view.Context, writer *utils.XMLWriter) (err error) {
Logout(context)
if redirect != nil {
return view.Redirect(redirect.URL(context.PathArgs...))
}
return view.Redirect("/")
},
)
}
// If redirect is nil, the redirect will go to "/"
func LogoutView(redirect view.URL) view.View {
return view.RenderView(
func(ctx *view.Context) (err error) {
Logout(ctx.Session)
if redirect != nil {
return view.Redirect(redirect.URL(ctx))
}
return view.Redirect("/")
},
)
}
// Uses https://github.com/valums/file-uploader
func RequireUploadBlobButtonScript(parentSelector, dropZoneSelector, listSelector, onComplete string) view.View {
return view.RenderView(
func(ctx *view.Context) error {
script := uploadBlobButtonScript(ctx, parentSelector, dropZoneSelector, listSelector, onComplete)
ctx.Response.RequireScript(script, 20)
if !Config.NoDynamicStyleAndScript {
ctx.Response.RequireStyleURL("/media/fileuploader.css", 0)
ctx.Response.RequireScriptURL("/media/fileuploader.js", 0)
}
return nil
},
)
}
// Uses https://github.com/valums/file-uploader
func UploadImageButton(parentSelector, dropZoneSelector, listSelector string, thumbnailSize int, onComplete string) view.View {
extraDropzones := "[]"
if dropZoneSelector != "" {
dropZoneSelector = fmt.Sprintf(`[jQuery("%s")[0]]`, dropZoneSelector)
}
listElement := "null"
if listSelector != "" {
listElement = fmt.Sprintf(`jQuery("%s")[0]`, listSelector)
}
if onComplete == "" {
onComplete = "function(){}"
}
uploaderScript := view.RenderView(
func(ctx *view.Context) error {
uploadURL := UploadImage.URL(ctx.ForURLArgsConvert(thumbnailSize))
script := fmt.Sprintf(
`jQuery(function() {
var uploader = new qq.FileUploader({
debug: true,
element: jQuery("%s")[0],
extraDropzones: %s,
listElement: %s,
action: "%s",
allowedExtensions: ["png", "jpg", "jpeg", "gif", "bmp", "tif", "tiff"],
acceptFiles: ["image/png", "image/jpeg", "image/gif", "image/bmp", "image/tiff"],
sizeLimit: 1024*1024*64,
multiple: false,
onComplete: %s
});
});`,
parentSelector,
extraDropzones,
listElement,
uploadURL,
onComplete,
)
ctx.Response.RequireScript(script, 20)
if !Config.NoDynamicStyleAndScript {
ctx.Response.RequireStyleURL("/media/fileuploader.css", 0)
ctx.Response.RequireScriptURL("/media/fileuploader.js", 0)
}
return nil
},
)
return uploaderScript
}
// Uses https://github.com/valums/file-uploader
func UploadImageButton(thumbnailSize int, onComplete string) view.View {
if onComplete == "" {
onComplete = "function(){}"
}
const registerUploaderScript = `jQuery(function() {
var uploader = new qq.FileUploader({
debug: true,
element: jQuery("#%s")[0],
action: "%s",
allowedExtensions: ["png", "jpg", "jpeg", "gif", "bmp", "tif", "tiff"],
acceptFiles: ["image/png", "image/jpeg", "image/gif", "image/bmp", "image/tiff"],
multiple: false,
onComplete: %s
});
});`
uploader := view.DIV("uploader")
uploaderID := uploader.ID()
uploaderScript := view.RenderView(
func(ctx *view.Context) error {
uploadURL := UploadImage.URL(ctx.ForURLArgsConvert(thumbnailSize))
script := fmt.Sprintf(registerUploaderScript, uploaderID, uploadURL, onComplete)
ctx.Response.RequireScript(script, 20)
return nil
},
)
return view.Views{
&view.If{
Condition: !Config.NoDynamicStyleAndScript,
Content: view.Views{
view.RequireStyleURL("/media/fileuploader.css", 0),
view.RequireScriptURL("/media/fileuploader.js", 0),
// view.RequireScriptURL("/media/media.js", 10),
},
},
uploader,
uploaderScript,
}
}
"github.com/ungerik/go-start/utils"
"github.com/ungerik/go-start/view"
"io"
)
var View view.ViewWithURL = view.NewViewURLWrapper(view.RenderView(
func(context *view.Context, writer *utils.XMLWriter) error {
reader, contentType, err := Config.Backend.ImageVersionReader(context.PathArgs[0])
if err != nil {
if _, ok := err.(ErrInvalidImageID); ok {
return view.NotFound(context.PathArgs[0] + "/" + context.PathArgs[1] + " not found")
}
return err
}
_, err = io.Copy(writer, reader)
if err != nil {
return err
}
err = reader.Close()
if err != nil {
return err
}
context.Header().Set("Content-Type", contentType)
return nil
},
))
func ViewPath(name string) view.ViewPath {
return view.ViewPath{Name: name, Args: 2, View: View}
}
"io"
"github.com/ungerik/go-start/view"
)
var View = view.NewViewURLWrapper(view.RenderView(
func(ctx *view.Context) error {
reader, contentType, err := Config.Backend.ImageVersionReader(ctx.URLArgs[0])
if err != nil {
if _, ok := err.(ErrInvalidImageID); ok {
return view.NotFound(ctx.URLArgs[0] + "/" + ctx.URLArgs[1] + " not found")
}
return err
}
_, err = io.Copy(ctx.Response, reader)
if err != nil {
return err
}
err = reader.Close()
if err != nil {
return err
}
ctx.Response.Header().Set("Content-Type", contentType)
return nil
},
))
func ViewPath(name string) view.ViewPath {
return view.ViewPath{Name: name, Args: 2, View: View}
}
package media
import (
"io"
"github.com/ungerik/go-start/config"
"github.com/ungerik/go-start/view"
)
var FileView = view.NewViewURLWrapper(view.RenderView(
func(ctx *view.Context) error {
reader, _, contentType, err := Config.Backend.FileReader(ctx.URLArgs[0])
if err != nil {
if _, ok := err.(ErrNotFound); ok {
err = view.NotFound(ctx.URLArgs[0] + "/" + ctx.URLArgs[1] + " not found")
config.Logger.Println("FileView:", err)
return err
}
return err
}
defer reader.Close()
_, err = io.Copy(ctx.Response, reader)
if err != nil {
config.Logger.Println("FileView:", err)
return err
}
ctx.Response.Header().Set("Content-Type", contentType)
return nil
},
))