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[Fixed Position] Refresh subscriptions

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Refresh subscriptions when composition changes, such as due to
a drag-drop addition of an element to the view. WTD-877.
This commit is contained in:
Victor Woeltjen 2015-02-17 10:34:13 -08:00
parent 136dddab86
commit 553101100b
2 changed files with 16 additions and 8 deletions
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18
platform/features/layout/src/FixedController.js
View File

@ -90,9 +90,9 @@ define(
}
// Compute panel positions based on the layout's object model
function lookupPanels(model) {
var configuration = $scope.configuration || {},
ids = (model || {}).composition || [];
function lookupPanels(ids) {
var configuration = $scope.configuration || {};
ids = ids || [];
// Pull panel positions from configuration
rawPositions = shallowCopy(configuration.elements || {}, ids);
@ -101,7 +101,7 @@ define(
positions = {};
// Update width/height that we are tracking
gridSize = (model || {}).layoutGrid || DEFAULT_GRID_SIZE;
gridSize = ($scope.model || {}).layoutGrid || DEFAULT_GRID_SIZE;
// Compute positions and add defaults where needed
ids.forEach(populatePosition);
@ -147,6 +147,14 @@ define(
telemetrySubscriber.subscribe(domainObject, updateValues);
}
// Handle changes in the object's composition
function updateComposition(ids) {
// Populate panel positions
lookupPanels(ids);
// Resubscribe - objects in view have changed
subscribe($scope.domainObject);
}
// Position a panel after a drop event
function handleDrop(e, id, position) {
// Make sure there is a "elements" field in the
@ -168,7 +176,7 @@ define(
}
// Position panes when the model field changes
$scope.$watch("model", lookupPanels);
$scope.$watch("model.composition", updateComposition);
// Subscribe to telemetry when an object is available
$scope.$watch("domainObject", subscribe);

6
platform/features/layout/test/FixedControllerSpec.js
View File

@ -113,7 +113,7 @@ define(
it("configures view based on model", function () {
mockScope.model = testModel;
findWatch("model")(mockScope.model);
findWatch("model.composition")(mockScope.model.composition);
// Should have styles for all elements of composition
expect(controller.getStyle('a')).toBeDefined();
expect(controller.getStyle('b')).toBeDefined();
@ -126,7 +126,7 @@ define(
mockScope.domainObject = mockDomainObject;
mockScope.model = testModel;
findWatch("domainObject")(mockDomainObject);
findWatch("model")(mockScope.model);
findWatch("model.composition")(mockScope.model.composition);
// Invoke the subscription callback
mockSubscriber.subscribe.mostRecentCall.args[1]();
@ -148,7 +148,7 @@ define(
};
mockScope.model = testModel;
findWatch("model")(mockScope.model);
findWatch("model.composition")(mockScope.model.composition);
// Set first bounds
controller.setBounds(s1);