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[Representation] Spec for mct-representation

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Add spec for the mct-representation; separate out gesture
attachment to improve testability and increase cohesion.
Part of ongoing initial authorship of representation
component, WTD-521.
This commit is contained in:
Victor Woeltjen
2014-11-22 11:35:57 -08:00
parent 6133ec2382
commit 83093f8e6f
4 changed files with 238 additions and 33 deletions
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38
platform/representation/src/MCTRepresentation.js
View File

@ -12,7 +12,7 @@ define(
*
* @constructor
*/
function MCTRepresentation(representations, views, gestures, $q, $log) {
function MCTRepresentation(representations, views, gestureService, $q, $log) {
var pathMap = {},
representationMap = {},
gestureMap = {};
@ -32,37 +32,9 @@ define(
representationMap[representation.key] = representation;
});
// Assemble all gestures into a map, similarly
gestures.forEach(function (gesture) {
gestureMap[gesture.key] = gesture;
});
function findRepresentation(key, domainObject) {
return representationMap[key];
}
function createGestures(element, domainObject, gestureKeys) {
return gestureKeys.map(function (key) {
return gestureMap[key];
}).filter(function (Gesture) {
return Gesture !== undefined && (Gesture.appliesTo ?
Gesture.appliesTo(domainObject) :
true);
}).map(function (Gesture) {
return new Gesture(element, domainObject);
});
}
function releaseGestures(gestures) {
gestures.forEach(function (gesture) {
if (gesture && gesture.destroy) {
gesture.destroy();
}
});
}
function link($scope, element) {
var linkedGestures = [];
var gestureHandle;
function refresh() {
var representation = representationMap[$scope.key],
@ -74,7 +46,9 @@ define(
$scope.inclusion = pathMap[$scope.key];
// Any existing gestures are no longer valid; release them.
releaseGestures(linkedGestures);
if (gestureHandle) {
gestureHandle.destroy();
}
if (!representation && $scope.key) {
$log.warn("No representation found for " + $scope.key);
@ -96,7 +70,7 @@ define(
});
});
linkedGestures = createGestures(
gestureHandle = gestureService.attachGestures(
element,
domainObject,
gestureKeys

57
platform/representation/src/gestures/GestureProvider.js Normal file
View File

@ -0,0 +1,57 @@
/*global define,Promise*/
/**
* Module defining GestureProvider. Created by vwoeltje on 11/22/14.
*/
define(
[],
function () {
"use strict";
/**
*
* @constructor
*/
function GestureProvider(gestures) {
var gestureMap = {};
function releaseGestures(gestures) {
gestures.forEach(function (gesture) {
if (gesture && gesture.destroy) {
gesture.destroy();
}
});
}
function attachGestures(element, domainObject, gestureKeys) {
var attachedGestures = gestureKeys.map(function (key) {
return gestureMap[key];
}).filter(function (Gesture) {
return Gesture !== undefined && (Gesture.appliesTo ?
Gesture.appliesTo(domainObject) :
true);
}).map(function (Gesture) {
return new Gesture(element, domainObject);
});
return {
destroy: function () {
releaseGestures(attachedGestures);
}
};
}
// Assemble all gestures into a map, for easy look up
gestures.forEach(function (gesture) {
gestureMap[gesture.key] = gesture;
});
return {
attachGestures: attachGestures
};
}
return GestureProvider;
}
);