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quay/static/js/directives/range-slider.js
2019-11-12 11:09:47 -05:00

104 lines
No EOL
3.6 KiB
JavaScript

// From: https://github.com/angular/angular.js/issues/6726#issuecomment-116251130
angular.module('quay').directive('rangeSlider', [function () {
return {
replace: true,
restrict: 'E',
require: 'ngModel',
template: '<input type="range"/>',
link: function (scope, element, attrs, ngModel) {
var ngRangeMin;
var ngRangeMax;
var ngRangeStep;
var value;
function init() {
if (!angular.isDefined(attrs.ngRangeMin)) {
ngRangeMin = 0;
} else {
scope.$watch(attrs.ngRangeMin, function (newValue, oldValue, scope) {
if (angular.isDefined(newValue)) {
ngRangeMin = newValue;
setValue();
}
});
}
if (!angular.isDefined(attrs.ngRangeMax)) {
ngRangeMax = 100;
} else {
scope.$watch(attrs.ngRangeMax, function (newValue, oldValue, scope) {
if (angular.isDefined(newValue)) {
ngRangeMax = newValue;
setValue();
}
});
}
if (!angular.isDefined(attrs.ngRangeStep)) {
ngRangeStep = 1;
} else {
scope.$watch(attrs.ngRangeStep, function (newValue, oldValue, scope) {
if (angular.isDefined(newValue)) {
ngRangeStep = newValue;
setValue();
}
});
}
if (!angular.isDefined(ngModel)) {
value = 50;
} else {
scope.$watch(
function () {
return ngModel.$modelValue;
},
function (newValue, oldValue, scope) {
if (angular.isDefined(newValue)) {
value = newValue;
setValue();
}
}
);
}
if (!ngModel) {
return;
}
ngModel.$parsers.push(function (value) {
var val = Number(value);
if (val !== val) {
val = undefined;
}
return val;
});
}
function setValue() {
if (
angular.isDefined(ngRangeMin) &&
angular.isDefined(ngRangeMax) &&
angular.isDefined(ngRangeStep) &&
angular.isDefined(value)
) {
element.attr("min", ngRangeMin);
element.attr("max", ngRangeMax);
element.attr("step", ngRangeStep);
element.val(value);
}
}
function read() {
if (angular.isDefined(ngModel)) {
ngModel.$setViewValue(value);
}
}
element.on('change', function () {
if (angular.isDefined(value) && (value != element.val())) {
value = element.val();
scope.$apply(read);
}
});
init();
}
};
}
]);