www/jssrc/blerg/Pager.js

   1 enyo.kind({
   2         name: "blerg.Pager",
   3         kind: "Control",
   4         listKind: "Control",
   5         lastRecord: null,
   6         components: [
   7                 {name: "records"},
   8                 {name: "loadMoreButton", kind: "onyx.Button", onclick: "loadMore", content: "Load More"}
   9         ],
  10         addItems: function(items) {
  11                 this.$.records.createComponents(items, {kind: this.listKind});
  12                 for (var i = 0; i < items.length; i++) {
  13                         var r = parseInt(items[i].record);
  14                         if (r < this.lastRecord || this.lastRecord == null)
  15                                 this.lastRecord = r;
  16                 }
  17                 this.$.records.render();
  18                 if (this.lastRecord == 0)
  19                         this.$.loadMoreButton.hide();
  20         },
  21         loadMore: function() {
  22                 if (this.lastRecord == 0)
  23                         return;
  24
  25                 if (this.lastRecord != null) {
  26                         var to = this.lastRecord - 1;
  27                         var from = this.lastRecord - 50;
  28                         if (from < 0)
  29                                 from = 0;
  30                         this.loadItems(from, to);
  31                 } else {
  32                         this.loadItems();
  33                 }
  34         },
  35         loadItems: function(from, to) { }
  36 });