ExternalVendorCode/openmct
1
0
Fork 0
mirror of https://github.com/nasa/openmct.git synced 2025-03-12 15:34:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[Representation] Pass attributes one way

Browse Source 
Instead of two-way binding attributes, only pass them in
from the parent scope. This permits users of mct-include
to use one-time binding to reduce watch counts (two-way
binding across an isolate scope does not permit this.)

https://github.com/nasa/openmctweb/issues/314
This commit is contained in:
Victor Woeltjen 2015-12-02 12:22:37 -08:00
parent 3fd4304de1
commit cfb6d4ccbf
1 changed files with 23 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
platform/representation/src/MCTInclude.js
View File

@ -57,15 +57,30 @@ define(
function MCTInclude(templates, templateLinker) {
var templateMap = {};
function link(scope, element) {
var changeTemplate = templateLinker.link(
scope,
element,
scope.key && templateMap[scope.key]
);
function link(scope, element, attrs) {
var parent = scope.$parent,
key = parent.$eval(attrs.key),
changeTemplate = templateLinker.link(
scope,
element,
key && templateMap[key]
),
unwatches = [];
scope.$watch('key', function (key) {
unwatches = ["ngModel", "parameters"].map(function (attr) {
return parent.$watch(attrs[attr], function (value) {
scope[attr] = value;
}, true);
});
unwatches.push(parent.$watch(attrs.key, function (key) {
changeTemplate(key && templateMap[key]);
}));
scope.$on("$destroy", function () {
unwatches.forEach(function (unwatch) {
unwatch();
});
});
}
@ -85,10 +100,7 @@ define(
link: link,
// May hide the element, so let other directives act first
priority: -1000,
// Two-way bind key, ngModel, and parameters
scope: { key: "=", ngModel: "=", parameters: "=" }
priority: -1000
};
}