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code.soquee.net/tmpl

Package tmpl

v0.0.3
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The latest major version is .

Published: May 28, 2019 | License: BSD-2-Clause | Module: code.soquee.net/tmpl

Overview

Package tmpl handles loading and rendering HTML templates.

Index

func SetFlash

func SetFlash(w http.ResponseWriter, flash Flash)

SetFlash sets a flash message using a cookie. Flash messages can also be set when rendering the response, but since this will not work for redirects or methods without a response, sometimes we need to set a cookie and read the value from there.

type Flash

type Flash struct {
	Message string
	Type    FlashType
}

Flash is a flash message which may be used to convey information to the user.

type FlashType

type FlashType string

FlashType is the type of a flash message.

const (
	FlashDanger  FlashType = "danger"
	FlashSuccess FlashType = "success"
	FlashWarn    FlashType = "warn"
)

A list of flash types.

type Page

type Page struct {
	Title   string
	Path    string
	URL     *url.URL
	Domain  string
	Host    string
	XSRF    string
	Lang    language.Tag
	Printer *message.Printer
	Flash   Flash
	UID     int

	// Data may be set by a template renderer when the template is executed
	// and should not be set by callers of this package (except by setting the
	// extraData parameters on a template renderer).
	// It will contain data that can only be known at render time and not when the
	// renderer is constructed (which may or may not be the same).
	Data interface{}
}

Page represents data that can apply generally to any page.

func (Page) T

func (p Page) T(key message.Reference, a ...interface{}) string

T attempts to translate the string "s" using p.Printer.

type RenderFunc

type RenderFunc func(uid int, flash Flash, w http.ResponseWriter, r *http.Request, extraData interface{}) error

RenderFunc is the type used to render templates into pages. For more information see Renderer.

func Renderer

func Renderer(
	domain,
	xsrfKey,
	tmplName,
	title string,
	tmpls Template,
	data func(Page) interface{},
) RenderFunc

Renderer returns a function that can be used to render pages using the provided templates.

The data function is used to construct the data passed to the template (which should embed the provided Page). If it is nil, the page is used. If xsrfKey is provided, an XSRF token is constructed and passed to the page. If a flash message is passed to the returned function, it is displayed immediately and overrides any flash message set in a cookie (without clearing the cookie). To set a flash message in a cookie (eg. to persist it across a redirect) see SetFlash.

type Template

type Template struct {
	*template.Template
	// contains filtered or unexported fields
}

Template wraps an "html/template".Template and adds internationalization and live reloading functionality for easy development.

func New

func New(dev bool, fs vfs.FileSystem, c catalog.Catalog, funcMap template.FuncMap) (Template, error)

New creates a new set of HTML templates from *.tmpl files found in the root of a virtual filesystem. If dev mode is on, templates are live-reloaded instead of being pre-generated.

func (Template) Execute

func (t Template) Execute(wr io.Writer, data interface{}) error

Execute executes the template, reloading it first if we're in dev mode. Since the base template is always a fragment, Execute will reload templates in dev mode, and then always return an error.

func (Template) ExecuteTemplate

func (t Template) ExecuteTemplate(wr io.Writer, name string, data interface{}) error

ExecuteTemplate executes the named template, reloading it if we're in dev mode.

Package Files

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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