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Animating Page Transitions with Reagent and Re-frame
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;; style.css -- basic (lame) transitions, for demonstration | |
;;________________________________________________________________ | |
.pageChange-enter { | |
opacity: 0.01; | |
} | |
.pageChange-enter.pageChange-enter-active { | |
opacity: 1; | |
transition: opacity 500ms ease-in; | |
} | |
.pageChange-leave { | |
opacity: 1; | |
} | |
.pageChange-leave.pageChange-leave-active { | |
opacity: 0.01; | |
transition: opacity 500ms ease-in; | |
} | |
;; (ns *.core) | |
;; _________________________________________________________________ | |
(ns myapp.core | |
(:require [reagent.core :as reagent :refer [atom]] | |
[reagent.session :as session] | |
[secretary.core :as secretary :include-macros true] | |
[accountant.core :as accountant] | |
[re-frame.core :refer [register-handler | |
path | |
register-sub | |
dispatch | |
dispatch-sync | |
subscribe]] | |
[myapp.handlers] | |
[myapp.subscriptions] | |
[myapp.database] | |
[myapp.views :refer [current-page]] | |
)) | |
(secretary/defroute "/" [] | |
(dispatch [:set-current-page :home-page])) | |
(secretary/defroute "/about" [] | |
(dispatch [:set-current-page :about-page])) | |
(defn mount-root [] | |
(reagent/render [current-page] (.getElementById js/document "app"))) | |
(defn init! [] | |
(accountant/configure-navigation!) | |
(accountant/dispatch-current!) | |
(dispatch-sync [:initialize]) | |
(mount-root)) | |
(init!) | |
;; (ns *.views) | |
;; _______________________________________________________________ | |
(ns myapp.views | |
(:require [reagent.core :as reagent :refer [atom]] | |
[reagent.session :as session] | |
[secretary.core :as secretary :include-macros true] | |
[accountant.core :as accountant] | |
[re-frame.core :refer [dispatch | |
subscribe]])) | |
(def css-transition-group | |
(reagent/adapt-react-class js/React.addons.CSSTransitionGroup)) | |
(defn no-page [] | |
[:div]) | |
(defn home-page [] | |
[:div.HomePage | |
[:h2 "Welcome Home"] | |
[:a {:href "/about"} "go to about page"]]) | |
(defn about-page [] | |
[:div.AboutPage | |
[:h2 "About"] | |
[:a {:href "/"} "go to the home page"]]) | |
(defn current-page [] | |
(let [cp (subscribe [ :current-page ]) | |
routes-map (subscribe [ :routes ])] | |
(fn [] | |
[:div | |
[css-transition-group {:transition-name "pageChange" | |
:component "div"} | |
^{:key @cp} | |
[(@routes-map @cp)]]] | |
))) | |
;; (ns *.database) | |
;; _______________________________________________________ | |
(ns myapp.database | |
(:require | |
[myapp.views :refer [home-page | |
about-page | |
no-page]])) | |
;; Note: You must initialize the current page | |
(def initial-state | |
{:routes {:home-page #'home-page | |
:about-page #'about-page | |
:no-page #'no-page} | |
:current-page :no-page | |
} | |
) | |
;; (ns *.handlers) | |
;; _________________________________________________________ | |
(ns myapp.handlers | |
(:require-macros [reagent.ratom :refer [reaction]]) | |
(:require [reagent.core :as reagent :refer [atom]] | |
[re-frame.core :refer [register-handler]])) | |
(register-handler | |
:initialize | |
(fn | |
[db _] | |
(merge db initial-state))) | |
(register-handler | |
:set-current-page | |
(fn | |
[db [_ page]] | |
(assoc db :current-page page))) | |
;; (ns *.subscriptions) | |
;; __________________________________________________________ | |
(ns myapp.subscriptions | |
(:require-macros [reagent.ratom :refer [reaction]]) | |
(:require [reagent.core :as reagent :refer [atom]] | |
[re-frame.core :refer [register-sub]])) | |
(register-sub | |
:current-page | |
(fn [db _] | |
(reaction (:current-page @db)))) | |
(register-sub | |
:routes | |
(fn [db _] | |
(reaction (:routes @db)))) | |
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Hi, is this working for reagent version 0.8.1?