chenhaodong / mew-iview

  <template>

      <transition name="fade">

          <div :class="classes" v-if="fullscreenVisible">

              <div :class="mainClasses">
                  <span :class="dotClasses"></span>
                  <div :class="textClasses"><slot></slot></div>
              </div>

          </div>

      </transition>

  </template>
  <script>
      import { oneOf } from '../../utils/assist';

      import ScrollbarMixins from '../modal/mixins-scrollbar';

  
      const prefixCls = 'ivu-spin';
  
      export default {

          name: 'Spin',

          mixins: [ ScrollbarMixins ],

          props: {
              size: {
                  validator (value) {

                      return oneOf(value, ['small', 'large', 'default']);
                  },
                  default () {
                      return this.$IVIEW.size === '' ? 'default' : this.$IVIEW.size;

                  }
              },
              fix: {
                  type: Boolean,
                  default: false

              },
              fullscreen: {
                  type: Boolean,
                  default: false

              }
          },
          data () {
              return {

                  showText: false,
                  // used for $Spin
                  visible: false

              };

          },
          computed: {
              classes () {
                  return [
                      `${prefixCls}`,
                      {
                          [`${prefixCls}-${this.size}`]: !!this.size,
                          [`${prefixCls}-fix`]: this.fix,
                          [`${prefixCls}-show-text`]: this.showText,

                          [`${prefixCls}-fullscreen`]: this.fullscreen

                      }

                  ];

              },
              mainClasses () {
                  return `${prefixCls}-main`;
              },
              dotClasses () {
                  return `${prefixCls}-dot`;
              },
              textClasses () {
                  return `${prefixCls}-text`;

              },
              fullscreenVisible () {
                  if (this.fullscreen) {
                      return this.visible;
                  } else {
                      return true;
                  }
              }
          },
          watch: {
              visible (val) {
                  if (val) {
                      this.addScrollEffect();
                  } else {
                      this.removeScrollEffect();
                  }

              }
          },

          mounted () {
              this.showText = this.$slots.default !== undefined;

          }

      };
  </script>