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var NavView = View.extend({
el: "body",
events: {
"click #prev": "prev",
"click #next": "next",
"click #refresh": "refresh",
"click #random": "random",
},
initialize: function(){
this.id = -1
this.$pip = this.$("#pip img")
this.$image = this.$("#luckyimage")
$(window).on("keydown", this.keydown.bind(this))
$(document).ajaxError(function(){
this.fetching = false
}.bind(this))
this.latest()
},
keydown: function(e){
switch (e.keyCode) {
case 37: // left
this.prev()
break
case 39: // right
this.next()
break
case 38: // up
this.random()
break
case 40: // down
this.latest()
break
}
},
latest: function(){
if (this.fetching) return
this.fetching = true
this.onLatest = true
$.get("/get/latest", this.display.bind(this))
},
prev: function(){
if (this.fetching) return
if (this.id - 1 < 1) { return }
this.fetching = true
this.onLatest = false
$.get("/get/" + (this.id-1), this.display.bind(this))
},
next: function(){
if (this.fetching) return
if (this.onLatest || this.id < 1) { return }
this.fetching = true
this.onLatest = false
$.get("/get/" + (this.id+1), this.display.bind(this))
},
random: function(){
if (this.fetching) return
this.fetching = true
this.onLatest = false
$.get("/get/random", this.display.bind(this))
},
display: function(data){
this.fetching = false
if (! data.id) {
this.onLatest = true
return
}
this.id = data.id
this.$pip.attr("src", data.url)
this.$image.css("background-image", "url(" + data.url + ")")
history.pushState(data, document.title, "/p/" + data.id)
},
})
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