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[Representation] Separate out template loading/linking

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...from mct-include, to facilitate reuse for MCTRepresentation.
This commit is contained in:
Victor Woeltjen
2015-10-28 14:51:30 -07:00
parent b4a44dee8f
commit 3d59f6df0b
3 changed files with 125 additions and 41 deletions
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52
platform/representation/src/MCTInclude.js
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@ -54,59 +54,31 @@ define(
* @param {TemplateDefinition[]} templates an array of
* template extensions
*/
function MCTInclude(templates, $sce, $http, $compile, $log) {
function MCTInclude(templates, templateLinker) {
var templateMap = {};
function loadTemplate(path) {
return $http.get(path).then(function (response) {
return $compile(response.data);
});
}
function link(scope, element, attrs, ctrl, transclude) {
var changeTemplates = templateLinker.link(
scope,
element,
transclude
);
function addTemplate(key, $scope, element) {
// Pass the template URL to ng-include via scope.
//$scope.inclusion = templateMap[$scope.key];
// ...and add the template to the DOM.
templateMap[key].then(function (template) {
template($scope, function (innerClone) {
element.append(innerClone);
});
}, function () {
$log.warn("Could not load template " + key);
delete templateMap[key];
});
}
function link($scope, element, attrs, ctrl, transclude) {
var originalElement = element,
activeElement = element;
$scope.$watch('key', function (key) {
if (templateMap[key]) {
transclude(function (clone) {
activeElement.replaceWith(clone);
activeElement = clone;
activeElement.empty();
addTemplate(key, $scope, activeElement);
});
} else if (activeElement !== originalElement) {
// If the key is unknown, remove it from DOM entirely.
activeElement.replaceWith(originalElement);
activeElement = originalElement;
}
scope.$watch('key', function (key) {
changeTemplates(templateMap[key]);
});
}
// Prepopulate templateMap for easy look up by key
templates.forEach(function (template) {
var key = template.key,
path = $sce.trustAsResourceUrl([
path = [
template.bundle.path,
template.bundle.resources,
template.templateUrl
].join("/"));
].join("/");
// First found should win (priority ordering)
templateMap[key] = templateMap[key] || loadTemplate(path);
templateMap[key] = templateMap[key] || path;
});
return {