127 lines
3.8 KiB
JavaScript
127 lines
3.8 KiB
JavaScript
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(function() {
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'use strict';
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/**
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* @ngdoc module
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* @name material.components.checkbox
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* @description Checkbox module!
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*/
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angular.module('material.components.checkbox', [
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'material.core'
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])
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.directive('mdCheckbox', MdCheckboxDirective);
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/**
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* @ngdoc directive
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* @name mdCheckbox
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* @module material.components.checkbox
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* @restrict E
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*
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* @description
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* The checkbox directive is used like the normal [angular checkbox](https://docs.angularjs.org/api/ng/input/input%5Bcheckbox%5D).
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*
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* @param {string} ng-model Assignable angular expression to data-bind to.
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* @param {string=} name Property name of the form under which the control is published.
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* @param {expression=} ng-true-value The value to which the expression should be set when selected.
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* @param {expression=} ng-false-value The value to which the expression should be set when not selected.
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* @param {string=} ng-change Angular expression to be executed when input changes due to user interaction with the input element.
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* @param {boolean=} md-no-ink Use of attribute indicates use of ripple ink effects
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* @param {string=} aria-label Adds label to checkbox for accessibility.
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* Defaults to checkbox's text. If no default text is found, a warning will be logged.
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*
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* @usage
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* <hljs lang="html">
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* <md-checkbox ng-model="isChecked" aria-label="Finished?">
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* Finished ?
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* </md-checkbox>
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*
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* <md-checkbox md-no-ink ng-model="hasInk" aria-label="No Ink Effects">
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* No Ink Effects
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* </md-checkbox>
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*
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* <md-checkbox ng-disabled="true" ng-model="isDisabled" aria-label="Disabled">
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* Disabled
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* </md-checkbox>
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*
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* </hljs>
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*
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*/
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function MdCheckboxDirective(inputDirective, $mdInkRipple, $mdAria, $mdConstant, $mdTheming, $mdUtil) {
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inputDirective = inputDirective[0];
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var CHECKED_CSS = 'md-checked';
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return {
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restrict: 'E',
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transclude: true,
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require: '?ngModel',
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template:
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'<div class="md-container" md-ink-ripple md-ink-ripple-checkbox>' +
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'<div class="md-icon"></div>' +
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'</div>' +
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'<div ng-transclude class="md-label"></div>',
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compile: compile
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};
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// **********************************************************
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// Private Methods
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// **********************************************************
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function compile (tElement, tAttrs) {
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tAttrs.type = 'checkbox';
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tAttrs.tabIndex = 0;
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tElement.attr('role', tAttrs.type);
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return function postLink(scope, element, attr, ngModelCtrl) {
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ngModelCtrl = ngModelCtrl || $mdUtil.fakeNgModel();
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var checked = false;
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$mdTheming(element);
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$mdAria.expectWithText(tElement, 'aria-label');
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// Reuse the original input[type=checkbox] directive from Angular core.
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// This is a bit hacky as we need our own event listener and own render
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// function.
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inputDirective.link.pre(scope, {
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on: angular.noop,
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0: {}
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}, attr, [ngModelCtrl]);
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// Used by switch. in Switch, we don't want click listeners; we have more granular
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// touchup/touchdown listening.
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if (!attr.mdNoClick) {
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element.on('click', listener);
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}
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element.on('keypress', keypressHandler);
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ngModelCtrl.$render = render;
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function keypressHandler(ev) {
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if(ev.which === $mdConstant.KEY_CODE.SPACE) {
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ev.preventDefault();
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listener(ev);
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}
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}
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function listener(ev) {
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if (element[0].hasAttribute('disabled')) return;
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scope.$apply(function() {
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checked = !checked;
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ngModelCtrl.$setViewValue(checked, ev && ev.type);
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ngModelCtrl.$render();
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});
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}
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function render() {
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checked = ngModelCtrl.$viewValue;
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if(checked) {
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element.addClass(CHECKED_CSS);
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} else {
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element.removeClass(CHECKED_CSS);
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}
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}
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};
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}
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}
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})();
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