element/packages/notification/src/main.js

81 lines
2.0 KiB
JavaScript

import Vue from 'vue';
import { PopupManager } from 'element-ui/src/utils/popup';
import { isVNode } from 'element-ui/src/utils/vdom';
let NotificationConstructor = Vue.extend(require('./main.vue'));
let instance;
let instances = [];
let seed = 1;
var Notification = function(options) {
if (Vue.prototype.$isServer) return;
options = options || {};
let userOnClose = options.onClose;
let id = 'notification_' + seed++;
options.onClose = function() {
Notification.close(id, userOnClose);
};
instance = new NotificationConstructor({
data: options
});
if (isVNode(options.message)) {
instance.$slots.default = [options.message];
options.message = '';
}
instance.id = id;
instance.vm = instance.$mount();
document.body.appendChild(instance.vm.$el);
instance.vm.visible = true;
instance.dom = instance.vm.$el;
instance.dom.style.zIndex = PopupManager.nextZIndex();
const offset = options.offset || 0;
let topDist = offset;
for (let i = 0, len = instances.length; i < len; i++) {
topDist += instances[i].$el.offsetHeight + 16;
}
topDist += 16;
instance.top = topDist;
instances.push(instance);
return instance.vm;
};
['success', 'warning', 'info', 'error'].forEach(type => {
Notification[type] = options => {
if (typeof options === 'string' || isVNode(options)) {
options = {
message: options
};
}
options.type = type;
return Notification(options);
};
});
Notification.close = function(id, userOnClose) {
let index;
let removedHeight;
for (var i = 0, len = instances.length; i < len; i++) {
if (id === instances[i].id) {
if (typeof userOnClose === 'function') {
userOnClose(instances[i]);
}
index = i;
removedHeight = instances[i].dom.offsetHeight;
instances.splice(i, 1);
break;
}
}
if (len > 1) {
for (i = index; i < len - 1 ; i++) {
instances[i].dom.style.top = parseInt(instances[i].dom.style.top, 10) - removedHeight - 16 + 'px';
}
}
};
export default Notification;