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Switch CheckStateController to not be O(n) for the isChecked call

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This commit is contained in:
Joseph Schorr 2015-06-24 17:43:57 -04:00
parent 43330bcfad
commit dde8d32984
2 changed files with 27 additions and 6 deletions
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25
static/js/services/ui-service.js
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@ -2,10 +2,14 @@
* Service which provides helper methods for performing some simple UI operations.
*/
angular.module('quay').factory('UIService', ['$timeout', '$rootScope', '$location', function($timeout, $rootScope, $location) {
var CheckStateController = function(items, opt_checked) {
var CheckStateController = function(items, itemKey, opt_checked) {
this.items = items;
this.itemKey = itemKey;
this.checked = opt_checked || [];
this.checkedMap = {};
this.listeners_ = [];
this.buildMap_();
};
CheckStateController.prototype.listen = function(callback) {
@ -13,7 +17,7 @@ angular.module('quay').factory('UIService', ['$timeout', '$rootScope', '$locatio
};
CheckStateController.prototype.isChecked = function(item) {
return $.inArray(item, this.checked) >= 0;
return !!this.checkedMap[item[this.itemKey]];
};
CheckStateController.prototype.toggleItem = function(item) {
@ -27,19 +31,35 @@ angular.module('quay').factory('UIService', ['$timeout', '$rootScope', '$locatio
CheckStateController.prototype.toggleItems = function() {
if (this.checked.length) {
this.checked = [];
this.checkedMap = {};
} else {
this.checked = this.items.slice();
this.buildMap_();
}
this.callListeners_();
};
CheckStateController.prototype.setChecked = function(items) {
this.checked = items.slice();
this.buildMap_();
};
CheckStateController.prototype.buildMap_ = function() {
var that = this;
this.checked.forEach(function(item) {
that.checkedMap[item[that.itemKey]] = true;
});
};
CheckStateController.prototype.checkByFilter = function(filter) {
this.checked = $.grep(this.items, filter);
this.buildMap_();
this.callListeners_();
};
CheckStateController.prototype.checkItem = function(item) {
this.checked.push(item);
this.checkedMap[item[this.itemKey]] = true;
this.callListeners_();
};
@ -47,6 +67,7 @@ angular.module('quay').factory('UIService', ['$timeout', '$rootScope', '$locatio
this.checked = $.grep(this.checked, function(cItem) {
return cItem != item;
});
this.checkedMap[item[this.itemKey]] = false;
this.callListeners_();
};