src/Topxia/AdminBundle/Resources/public/js/controller/cloudfile/plugins/cover.js

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define(function(require, exports, module) {
  var Widget = require('widget');
  var Notify = require('common/bootstrap-notify');
  var Messenger = require('../../player/messenger');

  var Cover = Widget.extend({
    attrs: {
      callback: '',
      playMessage: {},
    },
    events: {
      'click .js-img-set': 'onClickChangePic',
      'click .js-reset-btn': 'onClickReset',
      'click .js-set-default': 'onClickDefault',
      'click .js-set-select': 'onClickSelect',
      'click .js-screenshot-btn': 'onClickScreenshot',
      'submit #cover-form': 'onSubmitCoverForm',
    },
    setup: function() {
      this._initPlayer();
    },
    onClickReset: function(event) {
      this.$('#thumbNo').val('');
      this.$('.js-cover-img').attr('src', this.$('#orignalThumb').val());
    },
    onClickDefault: function(event) {
      this._changePane($(event.currentTarget));
    },
    onClickSelect: function(event) {
      this._changePane($(event.currentTarget));
    },
    onClickScreenshot: function(event) {
      var $target = $(event.currentTarget);
      var self = this;
      var second = self.playMessage.currentTime;
      second = Math.floor(second);
      $target.button('loading');
      $.ajax({
        type: 'get',
        url: $target.data('url'),
        data: {
          'second': second
        }
      }).done(function(resp) {
        if (resp.status == 'success') {
          self._successGeneratePic($target, resp);
        } else if (resp.status == 'waiting') {
          //轮询
          self.intervalId = setInterval(function() {
            $.get($target.data('url'), {
              'second': second
            }, function(resp) {
              if (resp.status == 'success') {
                self._successGeneratePic($target, resp);
                clearInterval(self.intervalId);
              }
            });
          }, 3000);
        } else {
          $target.button('reset');