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Code Issues Releases Wiki Activity

Make key callback registration more concise

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Refs #264.
This commit is contained in:
Franz Liedke
2016-05-15 22:58:41 +09:00
parent 9f8c2ed458
commit 513c586be3
2 changed files with 20 additions and 74 deletions
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49
js/forum/dist/app.js vendored
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@@ -31636,13 +31636,7 @@ System.register('flarum/utils/KeyboardNavigatable', [], function (_export, _cont
function KeyboardNavigatable() {
babelHelpers.classCallCheck(this, KeyboardNavigatable);
var defaultCallback = function defaultCallback() {/* noop */};
// Set all callbacks to a noop function so that not all of them have to be set.
this.upCallback = defaultCallback;
this.downCallback = defaultCallback;
this.selectCallback = defaultCallback;
this.cancelCallback = defaultCallback;
this.callbacks = {};
// By default, always handle keyboard navigation.
this.whenCallback = function () {
@@ -31664,28 +31658,28 @@ System.register('flarum/utils/KeyboardNavigatable', [], function (_export, _cont
babelHelpers.createClass(KeyboardNavigatable, [{
key: 'onUp',
value: function onUp(callback) {
this.upCallback = callback;
this.callbacks[38] = callback;
return this;
}
}, {
key: 'onDown',
value: function onDown(callback) {
this.downCallback = callback;
this.callbacks[40] = callback;
return this;
}
}, {
key: 'onSelect',
value: function onSelect(callback) {
this.selectCallback = callback;
this.callbacks[9] = this.callbacks[13] = callback;
return this;
}
}, {
key: 'onCancel',
value: function onCancel(callback) {
this.cancelCallback = callback;
this.callbacks[27] = callback;
return this;
}
@@ -31708,34 +31702,11 @@ System.register('flarum/utils/KeyboardNavigatable', [], function (_export, _cont
// This callback determines whether keyboard should be handled or ignored.
if (!this.whenCallback()) return;
switch (event.which) {
case 9:case 13:
// Tab / Return
this.selectCallback();
event.preventDefault();
break;
case 27:
// Escape
this.cancelCallback();
event.stopPropagation();
event.preventDefault();
break;
case 38:
// Up
this.upCallback();
event.preventDefault();
break;
case 40:
// Down
this.downCallback();
event.preventDefault();
break;
default:
// no default
var keyCallback = this.callbacks[event.which];
if (keyCallback) {
keyCallback();
event.stopPropagation();
event.preventDefault();
}
}
}]);