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[Representation] Populate mct-include contents

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Remove usage of ng-include and template from mct-include for
compatibility with element-level transclusion. Has useful
side effect of pre-fetching templates and reducing watch
count.
This commit is contained in:
Victor Woeltjen 2015-10-28 11:13:53 -07:00
parent 942f617bd8
commit b4a44dee8f
2 changed files with 43 additions and 28 deletions
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2
platform/representation/bundle.json
View File

@ -4,7 +4,7 @@
{
"key": "mctInclude",
"implementation": "MCTInclude.js",
"depends": [ "templates[]", "$sce" ]
"depends": [ "templates[]", "$sce", "$http", "$compile" ]
},
{
"key": "mctRepresentation",

69
platform/representation/src/MCTInclude.js
View File

@ -54,9 +54,49 @@ define(
* @param {TemplateDefinition[]} templates an array of
* template extensions
*/
function MCTInclude(templates, $sce) {
function MCTInclude(templates, $sce, $http, $compile, $log) {
var templateMap = {};
function loadTemplate(path) {
return $http.get(path).then(function (response) {
return $compile(response.data);
});
}
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, $scope, activeElement);
});
} else if (activeElement !== originalElement) {
// If the key is unknown, remove it from DOM entirely.
activeElement.replaceWith(originalElement);
activeElement = originalElement;
}
});
}
// Prepopulate templateMap for easy look up by key
templates.forEach(function (template) {
var key = template.key,
@ -66,30 +106,9 @@ define(
template.templateUrl
].join("/"));
// First found should win (priority ordering)
templateMap[key] = templateMap[key] || path;
templateMap[key] = templateMap[key] || loadTemplate(path);
});
function link($scope, element, attrs, ctrl, transclude) {
var originalElement = element,
activeElement = element;
$scope.$watch('key', function (key) {
if (templateMap[key]) {
// Pass the template URL to ng-include via scope.
$scope.inclusion = templateMap[$scope.key];
// ...and add the template to the DOM.
transclude(function (clone) {
activeElement.replaceWith(clone);
activeElement = clone;
});
} else if (activeElement !== originalElement) {
// If the key is unknown, remove it from DOM entirely.
activeElement.replaceWith(originalElement);
activeElement = originalElement;
}
});
}
return {
transclude: 'element',
@ -103,10 +122,6 @@ define(
// Use the included controller to populate scope
link: link,
// Use ng-include as a template; "inclusion" will be the real
// template path
template: '<ng-include src="inclusion"></ng-include>',
// Two-way bind key, ngModel, and parameters
scope: { key: "=", ngModel: "=", parameters: "=" }
};