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-rw-r--r--js/classes/ElggPriorityList.js60
1 files changed, 60 insertions, 0 deletions
diff --git a/js/classes/ElggPriorityList.js b/js/classes/ElggPriorityList.js
new file mode 100644
index 000000000..521fbbb64
--- /dev/null
+++ b/js/classes/ElggPriorityList.js
@@ -0,0 +1,60 @@
+elgg.ElggPriorityList = function() {
+ this.length = 0;
+ this.priorities_ = [];
+};
+
+elgg.ElggPriorityList.prototype.insert = function(obj, opt_priority) {
+ if (opt_priority == undefined) {
+ opt_priority = 500;
+ }
+
+ opt_priority = parseInt(opt_priority);
+ if (opt_priority < 0) {
+ opt_priority = 0;
+ }
+
+ if (this.priorities_[opt_priority] == undefined) {
+ this.priorities_[opt_priority] = [];
+ }
+
+ this.priorities_[opt_priority].push(obj);
+ this.length++;
+};
+
+elgg.ElggPriorityList.prototype.forEach = function(callback) {
+ elgg.assertTypeOf('function', callback);
+
+ var index = 0;
+ for (var p in this.priorities_) {
+ var elems = this.priorities_[p];
+ for (var i in elems) {
+ callback(elems[i], index);
+ index++;
+ }
+ }
+};
+
+elgg.ElggPriorityList.prototype.every = function(callback) {
+ elgg.assertTypeOf('function', callback);
+
+ var index = 0;
+ for (var p in this.priorities_) {
+ var elems = this.priorities_[p];
+ for (var i in elems) {
+ if (!callback(elems[i], index)) {
+ return false;
+ };
+ }
+ }
+
+ return true;
+};
+
+elgg.ElggPriorityList.prototype.remove = function(obj) {
+ this.priorities_.forEach(function(elems, priority) {
+ var index;
+ while ((index = elems.indexOf(obj)) != -1) {
+ elems.splice(index, 1);
+ }
+ });
+}; \ No newline at end of file