modal.js
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/**
* Modal 组件: 仿BOOTSTRAP:MODAL
* @author xuan.chen@yoho.cn
*/
'use strict';
/* config */
let NAME = 'yModal';
let DATA_KEY = 'yoho.modal';
let Selector = {
DATA_TOGGLE: '[data-toggle="ymodal"]',
DATA_DISMISS: '[data-dismiss="ymodal"]'
};
let ClassName = {
BACKDROP: 'ymodal-backdrop'
};
let Modal = function(elem, config) {
this.$element = $(elem);
this.$body = $(document.body);
this._backdrop = null;
this._config = $.extend(
{},
Modal.DEFAULT,
toString.call(config) === '[object Object]' && config
);
this._isShown = false;
};
/* ------------------------static attribute ------------------*/
Modal.DEFAULT = {
backdrop: true,
show: true
};
/* ------------------------public method ------------------*/
Modal.prototype.show = function(relatedTarget) {
if (this._isShown) {
return this;
}
this.$body.toggleClass('ymodal-open', true);
this.$element.trigger('show.yoho.modal', relatedTarget);
this.$element.on('click.dismiss.yoho.modal', Selector.DATA_DISMISS, $.proxy(this.hide, this));
this._isShown = true;
this.$element.show().focus();
this.backdrop();
this.$element.trigger('shown.yoho.modal', relatedTarget);
};
Modal.prototype.hide = function(e) {
if (e) {
e.preventDefault();
e.stopPropagation();
}
this._isShown = false;
this.$element
.off('click.dismiss.yoho.modal')
.hide();
this.$body.removeClass('ymodal-open');
this.backdrop();
this.$element.trigger('hiden.yoho.modal');
};
Modal.prototype.toggle = function(relatedTarget) {
this._isShown ? this.hide() : this.show(relatedTarget);
return this;
};
Modal.prototype.backdrop = function() {
let self = this;
if (this._isShown && this._config.backdrop) {
this._backdrop = document.createElement('div');
$(this._backdrop)
.addClass(ClassName.BACKDROP)
.appendTo(document.body);
this.$element.on('click.dismiss.yoho.modal', function(event) {
if (event.target !== event.currentTarget) {
return;
}
self.hide();
});
} else if (!this._isShown && this._backdrop) {
$(this._backdrop).remove();
}
};
/* ------------------------private method ------------------*/
/* ------------------------static method ------------------*/
Modal._jqueryBridge = function(config, relatedTarget) {
return this.each(function() {
let $this = $(this);
let data = $this.data(DATA_KEY);
let configs = $this.data(DATA_KEY) ? 'toggle' : $.extend(
{},
Modal.DEFAULT,
$this.data(),
toString.call(config) === '[object Object]' && config
);
if (!data) {
$this.data(DATA_KEY, data = new Modal($this, config));
}
if (typeof config === 'string') {
data[config](relatedTarget);
} else if (configs.show) {
data.show(relatedTarget);
}
});
};
/* ----------------------- DATA-API ----------------------*/
$(document).on('click.yoho.modal.data-api', Selector.DATA_TOGGLE, function(event) {
let $this = $(this);
let selector = this.getAttribute('data-target');
let $target = $(selector);
let config = $target.data(DATA_KEY) ? 'toggle' : $.extend($target.data(), $this.data());
if ($target[0].tagName.toUpperCase() === 'A') {
event.preventDefault();
}
Modal._jqueryBridge.call($target, config, this);
});
$.fn[NAME] = Modal._jqueryBridge;
$.fn[NAME].constructor = Modal;
module.exports = Modal;