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var CollectionView = ScrollableView.extend({
el: "#collection",
template: $("#collection .template").html(),
loaded: false,
data: null,
items: {},
events: {
"touchstart .item": "touchstart",
"touchmove .item": "touchmove",
"touchend .item": "touchend",
"mousedown .item": "touchstart",
"mousemove .item": "touchmove",
"mouseup .item": "touchend",
},
initialize: function(){
this.$content = this.$(".content")
this.$loader = this.$(".loader")
this.scroller = new IScroll('#collection', app.iscroll_options)
},
show: function(){
document.body.className = "collection"
if (this.loaded) {
return this.populate(this.data)
}
this.fetch()
},
fetch: function(){
if (this.loaded) return
this.$loader.show()
sdk.product.collection({
gallery_id: 32780,
success: this.populate.bind(this)
})
},
populate: function(data){
if (this.loaded && ! data) {
data = this.data
}
else {
this.data = data
}
this.loaded = true
this.$loader.hide()
this.$content.empty()
// DefaultCode10
data.SearchResponseFull.Results.Items.forEach(function(item){
this.items[ item['Code8'] ] = item
var t = this.template.replace(/{{image}}/, sdk.image(item['DefaultCode10'], '11_f'))
.replace(/{{code8}}/, item['Code8'])
this.$content.append(t)
}.bind(this))
this.deferScrollToTop()
this.afterFetchCallback && this.afterFetchCallback()
},
pick: function(e){
var code = $(e.currentTarget).data("code")
var data = this.items[code]
app.product.load(code, data)
},
firstTouch: { x: 0, y: 0, id: "" },
lastTouch: { x: 0, y: 0, id: "" },
touchstart: function(e){
var p = e.originalEvent.touches ? e.originalEvent.touches[0] : e.originalEvent
this.firstTouch.x = this.lastTouch.x = p.pageX
this.firstTouch.y = this.lastTouch.y = p.pageY
this.firstTouch.id = e.currentTarget.dataset.id
},
touchmove: function(e){
var p = e.originalEvent.touches ? e.originalEvent.touches[0] : e.originalEvent
this.lastTouch.x = p.pageX
this.lastTouch.y = p.pageY
this.lastTouch.id = e.currentTarget.dataset.id
},
touchend: function(e){
var first = app.collection.firstTouch
var last = app.collection.lastTouch
var distance = Math.sqrt( Math.pow(first.x - last.x, 2) + Math.pow(first.y - last.y, 2) )
if (distance < 20) {
this.pick(e)
}
},
})
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