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-rw-r--r--web/src/js/store/view.js115
1 files changed, 0 insertions, 115 deletions
diff --git a/web/src/js/store/view.js b/web/src/js/store/view.js
deleted file mode 100644
index d628d46b..00000000
--- a/web/src/js/store/view.js
+++ /dev/null
@@ -1,115 +0,0 @@
-var EventEmitter = require('events').EventEmitter;
-var _ = require("lodash");
-
-var utils = require("../utils.js");
-
-function SortByStoreOrder(elem) {
- return this.store.index(elem.id);
-}
-
-var default_sort = SortByStoreOrder;
-var default_filt = function (elem) {
- return true;
-};
-
-function StoreView(store, filt, sortfun) {
- EventEmitter.call(this);
-
- this.store = store;
-
- this.add = this.add.bind(this);
- this.update = this.update.bind(this);
- this.remove = this.remove.bind(this);
- this.recalculate = this.recalculate.bind(this);
- this.store.addListener("add", this.add);
- this.store.addListener("update", this.update);
- this.store.addListener("remove", this.remove);
- this.store.addListener("recalculate", this.recalculate);
-
- this.recalculate(filt, sortfun);
-}
-
-_.extend(StoreView.prototype, EventEmitter.prototype, {
- close: function () {
- this.store.removeListener("add", this.add);
- this.store.removeListener("update", this.update);
- this.store.removeListener("remove", this.remove);
- this.store.removeListener("recalculate", this.recalculate);
- this.removeAllListeners();
- },
- recalculate: function (filt, sortfun) {
- filt = filt || this.filt || default_filt;
- sortfun = sortfun || this.sortfun || default_sort;
- filt = filt.bind(this);
- sortfun = sortfun.bind(this);
- this.filt = filt;
- this.sortfun = sortfun;
-
- this.list = this.store.list.filter(filt);
- this.list.sort(function (a, b) {
- var akey = sortfun(a);
- var bkey = sortfun(b);
- if(akey < bkey){
- return -1;
- } else if(akey > bkey){
- return 1;
- } else {
- return 0;
- }
- });
- this.emit("recalculate");
- },
- index: function (elem) {
- return _.sortedIndex(this.list, elem, this.sortfun);
- },
- add: function (elem) {
- if (this.filt(elem)) {
- var idx = this.index(elem);
- if (idx === this.list.length) { //happens often, .push is way faster.
- this.list.push(elem);
- } else {
- this.list.splice(idx, 0, elem);
- }
- this.emit("add", elem, idx);
- }
- },
- update: function (elem) {
- var idx;
- var i = this.list.length;
- // Search from the back, we usually update the latest entries.
- while (i--) {
- if (this.list[i].id === elem.id) {
- idx = i;
- break;
- }
- }
-
- if (idx === -1) { //not contained in list
- this.add(elem);
- } else if (!this.filt(elem)) {
- this.remove(elem.id);
- } else {
- if (this.sortfun(this.list[idx]) !== this.sortfun(elem)) { //sortpos has changed
- this.remove(this.list[idx]);
- this.add(elem);
- } else {
- this.list[idx] = elem;
- this.emit("update", elem, idx);
- }
- }
- },
- remove: function (elem_id) {
- var idx = this.list.length;
- while (idx--) {
- if (this.list[idx].id === elem_id) {
- this.list.splice(idx, 1);
- this.emit("remove", elem_id, idx);
- break;
- }
- }
- }
-});
-
-module.exports = {
- StoreView: StoreView
-}; \ No newline at end of file