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a070ff5ad0
now that we require DI everywhere, we don't need any of these services to be eager - they get initialized when and only when they are requested.
67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
/**
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* @workInProgress
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* @ngdoc service
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* @name angular.service.$invalidWidgets
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*
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* @description
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* Keeps references to all invalid widgets found during validation.
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* Can be queried to find whether there are any invalid widgets currently displayed.
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*
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* @example
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*/
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angularServiceInject("$invalidWidgets", function(){
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var invalidWidgets = [];
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/** Remove an element from the array of invalid widgets */
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invalidWidgets.markValid = function(element){
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var index = indexOf(invalidWidgets, element);
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if (index != -1)
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invalidWidgets.splice(index, 1);
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};
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/** Add an element to the array of invalid widgets */
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invalidWidgets.markInvalid = function(element){
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var index = indexOf(invalidWidgets, element);
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if (index === -1)
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invalidWidgets.push(element);
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};
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/** Return count of all invalid widgets that are currently visible */
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invalidWidgets.visible = function() {
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var count = 0;
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forEach(invalidWidgets, function(widget){
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count = count + (isVisible(widget) ? 1 : 0);
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});
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return count;
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};
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/* At the end of each eval removes all invalid widgets that are not part of the current DOM. */
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this.$onEval(PRIORITY_LAST, function() {
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for(var i = 0; i < invalidWidgets.length;) {
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var widget = invalidWidgets[i];
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if (isOrphan(widget[0])) {
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invalidWidgets.splice(i, 1);
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if (widget.dealoc) widget.dealoc();
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} else {
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i++;
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}
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}
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});
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/**
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* Traverses DOM element's (widget's) parents and considers the element to be an orphant if one of
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* it's parents isn't the current window.document.
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*/
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function isOrphan(widget) {
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if (widget == window.document) return false;
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var parent = widget.parentNode;
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return !parent || isOrphan(parent);
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}
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return invalidWidgets;
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});
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