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vitam 2017-07-29 22:35:07 +02:00
parent 2f4cb14b09
commit 19ba83f273
1 changed files with 13 additions and 12 deletions
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25
js/directives/fileselect.js
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@ -34,7 +34,7 @@ app.directive("indeterminate", [
}
};
};
var passIfNotIsLeafChild = function (callback) { // ensure to execute callback only when this input hasn't subinput
var passIfNotIsLeafChild = function (callback) { // ensure to execute callback only when this input hasn't any subinput
return function () {
if (children.length === 0) {
callback.apply(this, arguments);
@ -48,44 +48,45 @@ app.directive("indeterminate", [
}
};
};
var passIfIsIndeterminate = function (callback) { // pass through the event from the scope where they sent
var passIfIsIndeterminate = function (callback) { // pass through the event when this input is indeterminate
return function () {
if (!elem.prop("indeterminate")) {
return callback.apply(this, arguments);
}
};
};
var catchEventOnlyOnce = function (callback) { // only fire once, and stop event's propagation
return function (event) {
callback.apply(this, arguments);
return event.stopPropagation();
};
};
/* var catchEventOnlyOnce = function (callback) { // only fire once, and stop event's propagation
return function (event) {
callback.apply(this, arguments);
return event.stopPropagation();
};
}; */
if (attr["indeterminate"] && parse(attr["indeterminate"]).constant) {
setIndeterminateState(scope.$eval(attr["indeterminate"])); // set to default value (set in template)
}
if (attr["indeterminate"] && parse(attr["indeterminate"]).constant && !scope.$eval(attr["indeterminate"])) {
// when this input wont have subinput, they will only receive parent change and emit child change event
ngModelCtrl.$viewChangeListeners.push(passIfNotIsLeafChild(function () {
scope.$emit("childSelectedChange", get());
scope.$emit("childSelectedChange", get()); // notifies parents to change their state
}));
scope.$on("ParentSelectedChange", passThroughThisScope(passIfNotIsLeafChild(
function (event, newVal) {
setModelValueWithSideEffect(newVal); // set value to parent's value; this will cause listener to emit childChange event; this won't be a infinite loop
})));
// init first time and only once
scope.$emit("i'm child input", get);
scope.$emit("i'm child input", get); // traverses upwards toward the root scope notifying the listeners for keep reference to this input's value
scope.$emit("childSelectedChange", get()); // force emitted, and force the parent change their state base on children at first time
} else {
// establish parent-child's relation
// listen for the child emitted token
scope.$on("i'm child input", passThroughThisScope(
scope.$on("i'm child input", passThroughThisScope( // can't apply pass passIfIsLeafChild, at beginning all has not child input
function (event, child) {
children.push(child);
})
);
var updateBaseOnChildrenState = function (event, newChildValue) {
if ((cacheSelectedSubInputNumber + cacheNoSelectedSubInputNumber) !== children.length) {
// cache childern state
cacheSelectedSubInputNumber = 0;
cacheNoSelectedSubInputNumber = 0;
for (var i = 0; i < children.length; i++) {
@ -106,7 +107,7 @@ app.directive("indeterminate", [
cacheNoSelectedSubInputNumber++;
}
}
var allSelected = (cacheNoSelectedSubInputNumber === 0);
var allSelected = (cacheNoSelectedSubInputNumber === 0); // if doesn't has any no selected input
var anySeleted = (cacheSelectedSubInputNumber > 0);
setIndeterminateState(allSelected !== anySeleted); // if at least one is selected, but not all then set input property indeterminate to true
setModelValueWithSideEffect(allSelected); // change binding model value and trigger onchange event