tree init

1 files changed, 31 insertions, 0 deletions

diff --git a/tree/public/assets/js/vendor/view/ScrollableView.js b/tree/public/assets/js/vendor/view/ScrollableView.js
new file mode 100644
index 0000000..a01809c
--- /dev/null
+++ b/tree/public/assets/js/vendor/view/ScrollableView.js
@@ -0,0 +1,31 @@
+var ScrollableView = View.extend({
+  
+  events: {
+    "load img": "deferRefresh",
+  },
+
+  deferScrollToTop: function(){
+    if (! this.scroller) return
+    setTimeout(this.scrollToTop.bind(this), 0)
+  },
+  
+  refreshScroller: function(){
+    if (! this.scroller) return
+    this.scroller.refresh()
+    clearTimeout( this.scrollerRefreshTimeout )
+  },
+
+  scrollerRefreshTimeout: null,
+  deferRefresh: function(){
+    if (! this.scroller) return
+    clearTimeout( this.scrollerRefreshTimeout )
+    this.scrollerRefreshTimeout = setTimeout(this.refreshScroller.bind(this))
+  },
+    
+  scrollToTop: function(){
+    if (! this.scroller) return
+    this.scroller.refresh()
+    app.collection.scroller.scrollTo(0, 0)
+  },
+
+})
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