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/*!
* Angular Material Design
* https://github.com/angular/material
* @license MIT
* v0.9.8
*/
(function( window, angular, undefined ){
"use strict";
/**
* @ngdoc module
* @name material.components.progressCircular
* @description Circular Progress module!
*/
angular.module('material.components.progressCircular', [
'material.core'
])
.directive('mdProgressCircular', MdProgressCircularDirective);
/**
* @ngdoc directive
* @name mdProgressCircular
* @module material.components.progressCircular
* @restrict E
*
* @description
* The circular progress directive is used to make loading content in your app as delightful and
* painless as possible by minimizing the amount of visual change a user sees before they can view
* and interact with content.
*
* For operations where the percentage of the operation completed can be determined, use a
* determinate indicator. They give users a quick sense of how long an operation will take.
*
* For operations where the user is asked to wait a moment while something finishes up, and it’s
* not necessary to expose what's happening behind the scenes and how long it will take, use an
* indeterminate indicator.
*
* @param {string} md-mode Select from one of two modes: determinate and indeterminate.
* @param {number=} value In determinate mode, this number represents the percentage of the
* circular progress. Default: 0
* @param {number=} md-diameter This specifies the diamter of the circular progress. Default: 48
*
* @usage
* <hljs lang="html">
* <md-progress-circular md-mode="determinate" value="..."></md-progress-circular>
*
* <md-progress-circular md-mode="determinate" ng-value="..."></md-progress-circular>
*
* <md-progress-circular md-mode="determinate" value="..." md-diameter="100"></md-progress-circular>
*
* <md-progress-circular md-mode="indeterminate"></md-progress-circular>
* </hljs>
*/
function MdProgressCircularDirective($mdConstant, $mdTheming) {
return {
restrict: 'E',
template:
// The progress 'circle' is composed of two half-circles: the left side and the right
// side. Each side has CSS applied to 'fill-in' the half-circle to the appropriate progress.
'<div class="md-spinner-wrapper">' +
'<div class="md-inner">' +
'<div class="md-gap"></div>' +
'<div class="md-left">' +
'<div class="md-half-circle"></div>' +
'</div>' +
'<div class="md-right">' +
'<div class="md-half-circle"></div>' +
'</div>' +
'</div>' +
'</div>',
compile: compile
};
function compile(tElement) {
// The javascript in this file is mainly responsible for setting the correct aria attributes.
// The animation of the progress spinner is done entirely with just CSS.
tElement.attr('aria-valuemin', 0);
tElement.attr('aria-valuemax', 100);
tElement.attr('role', 'progressbar');
return postLink;
}
function postLink(scope, element, attr) {
$mdTheming(element);
var circle = element[0];
// Scale the progress circle based on the default diameter.
var diameter = attr.mdDiameter || 48;
var scale = diameter / 48;
circle.style[$mdConstant.CSS.TRANSFORM] = 'scale(' + scale + ')';
attr.$observe('value', function(value) {
var percentValue = clamp(value);
element.attr('aria-valuenow', percentValue);
});
}
/**
* Clamps the value to be between 0 and 100.
* @param {number} value The value to clamp.
* @returns {number}
*/
function clamp(value) {
return Math.max(0, Math.min(value || 0, 100));
}
}
MdProgressCircularDirective.$inject = ["$mdConstant", "$mdTheming"];
})(window, window.angular);
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