@material/icon-button
Version:
The Material Components for the web icon button component
111 lines • 4.82 kB
JavaScript
/**
* @license
* Copyright 2018 Google Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
import { __assign, __extends } from "tslib";
import { MDCFoundation } from '@material/base/foundation';
import { cssClasses, strings } from './constants';
var MDCIconButtonToggleFoundation = /** @class */ (function (_super) {
__extends(MDCIconButtonToggleFoundation, _super);
function MDCIconButtonToggleFoundation(adapter) {
var _this = _super.call(this, __assign(__assign({}, MDCIconButtonToggleFoundation.defaultAdapter), adapter)) || this;
/**
* Whether the icon button has an aria label that changes depending on
* toggled state.
*/
_this.hasToggledAriaLabel = false;
return _this;
}
Object.defineProperty(MDCIconButtonToggleFoundation, "cssClasses", {
get: function () {
return cssClasses;
},
enumerable: false,
configurable: true
});
Object.defineProperty(MDCIconButtonToggleFoundation, "strings", {
get: function () {
return strings;
},
enumerable: false,
configurable: true
});
Object.defineProperty(MDCIconButtonToggleFoundation, "defaultAdapter", {
get: function () {
return {
addClass: function () { return undefined; },
hasClass: function () { return false; },
notifyChange: function () { return undefined; },
removeClass: function () { return undefined; },
getAttr: function () { return null; },
setAttr: function () { return undefined; },
};
},
enumerable: false,
configurable: true
});
MDCIconButtonToggleFoundation.prototype.init = function () {
var ariaLabelOn = this.adapter.getAttr(strings.DATA_ARIA_LABEL_ON);
var ariaLabelOff = this.adapter.getAttr(strings.DATA_ARIA_LABEL_OFF);
if (ariaLabelOn && ariaLabelOff) {
if (this.adapter.getAttr(strings.ARIA_PRESSED) !== null) {
throw new Error('MDCIconButtonToggleFoundation: Button should not set ' +
'`aria-pressed` if it has a toggled aria label.');
}
this.hasToggledAriaLabel = true;
}
else {
this.adapter.setAttr(strings.ARIA_PRESSED, String(this.isOn()));
}
};
MDCIconButtonToggleFoundation.prototype.handleClick = function () {
this.toggle();
this.adapter.notifyChange({ isOn: this.isOn() });
};
MDCIconButtonToggleFoundation.prototype.isOn = function () {
return this.adapter.hasClass(cssClasses.ICON_BUTTON_ON);
};
MDCIconButtonToggleFoundation.prototype.toggle = function (isOn) {
if (isOn === void 0) { isOn = !this.isOn(); }
// Toggle UI based on state.
if (isOn) {
this.adapter.addClass(cssClasses.ICON_BUTTON_ON);
}
else {
this.adapter.removeClass(cssClasses.ICON_BUTTON_ON);
}
// Toggle aria attributes based on state.
if (this.hasToggledAriaLabel) {
var ariaLabel = isOn ?
this.adapter.getAttr(strings.DATA_ARIA_LABEL_ON) :
this.adapter.getAttr(strings.DATA_ARIA_LABEL_OFF);
this.adapter.setAttr(strings.ARIA_LABEL, ariaLabel || '');
}
else {
this.adapter.setAttr(strings.ARIA_PRESSED, "" + isOn);
}
};
return MDCIconButtonToggleFoundation;
}(MDCFoundation));
export { MDCIconButtonToggleFoundation };
// tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.
export default MDCIconButtonToggleFoundation;
//# sourceMappingURL=foundation.js.map