Wrap radio in IIFE
Surma
parent
44fdffa4bd
commit
9ab02ead91
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@ -15,255 +15,252 @@
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* limitations under the License.
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*/
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/**
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* Class constructor for Radio MDL component.
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* Implements MDL component design pattern defined at:
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* https://github.com/jasonmayes/mdl-component-design-pattern
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* @param {HTMLElement} element The element that will be upgraded.
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*/
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function MaterialRadio(element) {
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(function() {
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'use strict';
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this.element_ = element;
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/**
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* Class constructor for Radio MDL component.
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* Implements MDL component design pattern defined at:
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* https://github.com/jasonmayes/mdl-component-design-pattern
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*
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* @param {HTMLElement} element The element that will be upgraded.
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*/
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var MaterialRadio = function MaterialRadio(element) {
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this.element_ = element;
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// Initialize instance.
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this.init();
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}
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// Initialize instance.
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this.init();
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};
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window.MaterialRadio = MaterialRadio;
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/**
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* Store constants in one place so they can be updated easily.
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* @enum {string | number}
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* @private
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*/
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MaterialRadio.prototype.Constant_ = {
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TINY_TIMEOUT: 0.001
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};
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/**
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* Store constants in one place so they can be updated easily.
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*
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* @enum {String | Number}
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* @private
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*/
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MaterialRadio.prototype.Constant_ = {
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TINY_TIMEOUT: 0.001
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};
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/**
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* Store strings for class names defined by this component that are used in
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* JavaScript. This allows us to simply change it in one place should we
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* decide to modify at a later date.
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* @enum {string}
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* @private
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*/
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MaterialRadio.prototype.CssClasses_ = {
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IS_FOCUSED: 'is-focused',
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IS_DISABLED: 'is-disabled',
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IS_CHECKED: 'is-checked',
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IS_UPGRADED: 'is-upgraded',
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JS_RADIO: 'mdl-js-radio',
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RADIO_BTN: 'mdl-radio__button',
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RADIO_OUTER_CIRCLE: 'mdl-radio__outer-circle',
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RADIO_INNER_CIRCLE: 'mdl-radio__inner-circle',
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RIPPLE_EFFECT: 'mdl-js-ripple-effect',
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RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
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RIPPLE_CONTAINER: 'mdl-radio__ripple-container',
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RIPPLE_CENTER: 'mdl-ripple--center',
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RIPPLE: 'mdl-ripple'
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};
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/**
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* Store strings for class names defined by this component that are used in
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* JavaScript. This allows us to simply change it in one place should we
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* decide to modify at a later date.
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*
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* @enum {String}
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* @private
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*/
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MaterialRadio.prototype.CssClasses_ = {
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IS_FOCUSED: 'is-focused',
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IS_DISABLED: 'is-disabled',
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IS_CHECKED: 'is-checked',
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IS_UPGRADED: 'is-upgraded',
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JS_RADIO: 'mdl-js-radio',
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RADIO_BTN: 'mdl-radio__button',
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RADIO_OUTER_CIRCLE: 'mdl-radio__outer-circle',
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RADIO_INNER_CIRCLE: 'mdl-radio__inner-circle',
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RIPPLE_EFFECT: 'mdl-js-ripple-effect',
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RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
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RIPPLE_CONTAINER: 'mdl-radio__ripple-container',
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RIPPLE_CENTER: 'mdl-ripple--center',
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RIPPLE: 'mdl-ripple'
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};
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/**
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* Handle change of state.
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onChange_ = function(event) {
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'use strict';
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// Since other radio buttons don't get change events, we need to look for
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// them to update their classes.
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var radios = document.getElementsByClassName(this.CssClasses_.JS_RADIO);
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for (var i = 0; i < radios.length; i++) {
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var button = radios[i].querySelector('.' + this.CssClasses_.RADIO_BTN);
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// Different name == different group, so no point updating those.
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if (button.getAttribute('name') === this.btnElement_.getAttribute('name')) {
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radios[i].MaterialRadio.updateClasses_();
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/**
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* Handle change of state.
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*
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onChange_ = function(event) {
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// Since other radio buttons don't get change events, we need to look for
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// them to update their classes.
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var radios = document.getElementsByClassName(this.CssClasses_.JS_RADIO);
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for (var i = 0; i < radios.length; i++) {
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var button = radios[i].querySelector('.' + this.CssClasses_.RADIO_BTN);
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// Different name == different group, so no point updating those.
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if (button.getAttribute('name') === this.btnElement_.getAttribute('name')) {
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radios[i].MaterialRadio.updateClasses_();
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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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* Handle focus.
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onFocus_ = function(event) {
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'use strict';
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/**
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* Handle focus.
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*
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onFocus_ = function(event) {
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this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
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};
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this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
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};
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/**
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* Handle lost focus.
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*
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onBlur_ = function(event) {
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this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
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};
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/**
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* Handle lost focus.
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onBlur_ = function(event) {
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'use strict';
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/**
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* Handle mouseup.
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*
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onMouseup_ = function(event) {
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this.blur_();
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};
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this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
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};
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/**
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* Update classes.
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*
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* @private
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*/
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MaterialRadio.prototype.updateClasses_ = function() {
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this.checkDisabled();
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this.checkToggleState();
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};
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/**
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* Handle mouseup.
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.onMouseup_ = function(event) {
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'use strict';
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/**
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* Add blur.
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*
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialRadio.prototype.blur_ = function(event) {
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this.blur_();
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};
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// TODO: figure out why there's a focus event being fired after our blur,
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// so that we can avoid this hack.
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window.setTimeout(function() {
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this.btnElement_.blur();
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}.bind(this), this.Constant_.TINY_TIMEOUT);
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};
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/**
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* Update classes.
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* @private
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*/
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MaterialRadio.prototype.updateClasses_ = function() {
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'use strict';
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this.checkDisabled();
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this.checkToggleState();
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};
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// Public methods.
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/**
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* Add blur.
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* @private
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*/
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MaterialRadio.prototype.blur_ = function(event) {
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'use strict';
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// TODO: figure out why there's a focus event being fired after our blur,
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// so that we can avoid this hack.
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window.setTimeout(function() {
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this.btnElement_.blur();
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}.bind(this), this.Constant_.TINY_TIMEOUT);
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};
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// Public methods.
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/**
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* Check the components disabled state.
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* @public
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*/
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MaterialRadio.prototype.checkDisabled = function() {
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'use strict';
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if (this.btnElement_.disabled) {
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this.element_.classList.add(this.CssClasses_.IS_DISABLED);
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} else {
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this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
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}
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};
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/**
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* Check the components toggled state.
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* @public
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*/
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MaterialRadio.prototype.checkToggleState = function() {
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'use strict';
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if (this.btnElement_.checked) {
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this.element_.classList.add(this.CssClasses_.IS_CHECKED);
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} else {
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this.element_.classList.remove(this.CssClasses_.IS_CHECKED);
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}
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};
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/**
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* Disable radio.
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* @public
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*/
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MaterialRadio.prototype.disable = function() {
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'use strict';
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this.btnElement_.disabled = true;
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this.updateClasses_();
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};
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/**
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* Enable radio.
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* @public
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*/
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MaterialRadio.prototype.enable = function() {
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'use strict';
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this.btnElement_.disabled = false;
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this.updateClasses_();
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};
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/**
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* Check radio.
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* @public
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*/
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MaterialRadio.prototype.check = function() {
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'use strict';
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this.btnElement_.checked = true;
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this.updateClasses_();
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};
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/**
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* Uncheck radio.
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* @public
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*/
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MaterialRadio.prototype.uncheck = function() {
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'use strict';
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this.btnElement_.checked = false;
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this.updateClasses_();
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};
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/**
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* Initialize element.
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*/
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MaterialRadio.prototype.init = function() {
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'use strict';
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if (this.element_) {
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this.btnElement_ = this.element_.querySelector('.' +
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this.CssClasses_.RADIO_BTN);
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var outerCircle = document.createElement('span');
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outerCircle.classList.add(this.CssClasses_.RADIO_OUTER_CIRCLE);
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var innerCircle = document.createElement('span');
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innerCircle.classList.add(this.CssClasses_.RADIO_INNER_CIRCLE);
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this.element_.appendChild(outerCircle);
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this.element_.appendChild(innerCircle);
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var rippleContainer;
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if (this.element_.classList.contains(
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this.CssClasses_.RIPPLE_EFFECT)) {
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this.element_.classList.add(
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this.CssClasses_.RIPPLE_IGNORE_EVENTS);
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rippleContainer = document.createElement('span');
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rippleContainer.classList.add(
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this.CssClasses_.RIPPLE_CONTAINER);
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rippleContainer.classList.add(this.CssClasses_.RIPPLE_EFFECT);
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rippleContainer.classList.add(this.CssClasses_.RIPPLE_CENTER);
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rippleContainer.addEventListener('mouseup', this.onMouseup_.bind(this));
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var ripple = document.createElement('span');
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ripple.classList.add(this.CssClasses_.RIPPLE);
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rippleContainer.appendChild(ripple);
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this.element_.appendChild(rippleContainer);
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/**
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* Check the components disabled state.
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*
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* @public
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*/
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MaterialRadio.prototype.checkDisabled = function() {
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if (this.btnElement_.disabled) {
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this.element_.classList.add(this.CssClasses_.IS_DISABLED);
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} else {
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this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
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}
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};
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this.btnElement_.addEventListener('change', this.onChange_.bind(this));
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this.btnElement_.addEventListener('focus', this.onFocus_.bind(this));
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this.btnElement_.addEventListener('blur', this.onBlur_.bind(this));
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this.element_.addEventListener('mouseup', this.onMouseup_.bind(this));
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/**
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* Check the components toggled state.
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*
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* @public
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*/
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MaterialRadio.prototype.checkToggleState = function() {
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if (this.btnElement_.checked) {
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this.element_.classList.add(this.CssClasses_.IS_CHECKED);
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} else {
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this.element_.classList.remove(this.CssClasses_.IS_CHECKED);
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}
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};
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/**
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* Disable radio.
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*
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* @public
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*/
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MaterialRadio.prototype.disable = function() {
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this.btnElement_.disabled = true;
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this.updateClasses_();
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this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
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}
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};
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};
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// The component registers itself. It can assume componentHandler is available
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// in the global scope.
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componentHandler.register({
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constructor: MaterialRadio,
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classAsString: 'MaterialRadio',
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cssClass: 'mdl-js-radio',
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widget: true
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});
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/**
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* Enable radio.
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*
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* @public
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*/
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MaterialRadio.prototype.enable = function() {
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this.btnElement_.disabled = false;
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this.updateClasses_();
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};
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/**
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* Check radio.
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*
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* @public
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*/
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MaterialRadio.prototype.check = function() {
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this.btnElement_.checked = true;
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this.updateClasses_();
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};
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/**
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* Uncheck radio.
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*
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* @public
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*/
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MaterialRadio.prototype.uncheck = function() {
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this.btnElement_.checked = false;
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this.updateClasses_();
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};
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/**
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* Initialize element.
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*/
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MaterialRadio.prototype.init = function() {
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if (this.element_) {
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this.btnElement_ = this.element_.querySelector('.' +
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this.CssClasses_.RADIO_BTN);
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var outerCircle = document.createElement('span');
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outerCircle.classList.add(this.CssClasses_.RADIO_OUTER_CIRCLE);
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var innerCircle = document.createElement('span');
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innerCircle.classList.add(this.CssClasses_.RADIO_INNER_CIRCLE);
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this.element_.appendChild(outerCircle);
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this.element_.appendChild(innerCircle);
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var rippleContainer;
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if (this.element_.classList.contains(
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this.CssClasses_.RIPPLE_EFFECT)) {
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this.element_.classList.add(
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this.CssClasses_.RIPPLE_IGNORE_EVENTS);
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rippleContainer = document.createElement('span');
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rippleContainer.classList.add(
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this.CssClasses_.RIPPLE_CONTAINER);
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rippleContainer.classList.add(this.CssClasses_.RIPPLE_EFFECT);
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rippleContainer.classList.add(this.CssClasses_.RIPPLE_CENTER);
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rippleContainer.addEventListener('mouseup', this.onMouseup_.bind(this));
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var ripple = document.createElement('span');
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ripple.classList.add(this.CssClasses_.RIPPLE);
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rippleContainer.appendChild(ripple);
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this.element_.appendChild(rippleContainer);
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}
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this.btnElement_.addEventListener('change', this.onChange_.bind(this));
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this.btnElement_.addEventListener('focus', this.onFocus_.bind(this));
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this.btnElement_.addEventListener('blur', this.onBlur_.bind(this));
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this.element_.addEventListener('mouseup', this.onMouseup_.bind(this));
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this.updateClasses_();
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this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
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}
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};
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// The component registers itself. It can assume componentHandler is available
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// in the global scope.
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componentHandler.register({
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constructor: MaterialRadio,
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classAsString: 'MaterialRadio',
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cssClass: 'mdl-js-radio',
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widget: true
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});
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})();
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