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[Common UI] Encapsulate TreeNodeController

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Reduce reliance on  from TreeNodeController,
clean up and better isolate node expansion behavior.
Part of transition of common UI elements, WTD-574.
This commit is contained in:
Victor Woeltjen
2014-11-24 10:30:45 -08:00
parent eff9747198
commit f6850ffc4f
4 changed files with 46 additions and 41 deletions
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38
platform/commonUI/general/src/TreeNodeController.js
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@ -13,7 +13,9 @@ define(
* @constructor
*/
function TreeNodeController($scope, navigationService) {
var navigatedObject = navigationService.getNavigation();
var navigatedObject = navigationService.getNavigation(),
isNavigated = false,
expandedObject;
function idsEqual(objA, objB) {
return objA && objB && (objA.getId() === objB.getId());
@ -58,14 +60,16 @@ define(
function checkNavigation() {
var nodeObject = $scope.domainObject;
$scope.node.isSelected =
isNavigated =
idsEqual(nodeObject, navigatedObject) &&
idsEqual(parentOf(nodeObject), parentOf(navigatedObject));
// Expand if necessary
if (!$scope.node.expanded &&
isOnNavigationPath(nodeObject, navigatedObject) &&
$scope.toggle !== undefined) {
if (isOnNavigationPath(nodeObject, navigatedObject) &&
$scope.toggle !== undefined &&
$scope.toggle.isActive()) {
$scope.toggle.toggle();
expandedObject = nodeObject;
}
}
@ -74,25 +78,23 @@ define(
checkNavigation();
}
// When the node is expanded, set "node.domainObject" in
// the scope; this is used to populate the subtree, which
// should only happen when first expanded (lazy loading)
function doExpand(state) {
if (state) {
$scope.node.domainObject = $scope.domainObject;
}
}
// Set up a little namespace for tree node properties
$scope.node = {};
navigationService.addListener(setNavigation);
$scope.$on("$destroy", function () {
navigationService.removeListener(setNavigation);
});
$scope.$watch("domainObject", checkNavigation);
$scope.$watch("toggle.isActive()", doExpand);
return {
setNodeObject: function (domainObject) {
expandedObject = domainObject;
},
getNodeObject: function () {
return expandedObject;
},
isNavigated: function () {
return isNavigated;
}
};
}
return TreeNodeController;