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src/components/drawer/drawer.vue 6.99 KB
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  <template>
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      <div v-transfer-dom :data-transfer="transfer">
          <transition name="fade">
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              <div :class="maskClasses" :style="maskStyle" v-show="visible" v-if="mask" @click="handleMask"></div>
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          </transition>
          <div :class="wrapClasses" @click="handleWrapClick">
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              <transition :name="'move-' + placement">
                  <div :class="classes" :style="mainStyles" v-show="visible">
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                      <div :class="contentClasses" ref="content">
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                          <a class="ivu-drawer-close" v-if="closable" @click="close">
                              <slot name="close">
                                  <Icon type="ios-close"></Icon>
                              </slot>
                          </a>
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                          <div :class="[prefixCls + '-header']" v-if="showHead"><slot name="header"><div :class="[prefixCls + '-header-inner']">{{ title }}</div></slot></div>
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                          <div :class="[prefixCls + '-body']" :style="styles"><slot></slot></div>
                      </div>
                  </div>
              </transition>
          </div>
      </div>
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  </template>
  <script>
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      import Icon from '../icon';
      import { oneOf } from '../../utils/assist';
      import TransferDom from '../../directives/transfer-dom';
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      import Emitter from '../../mixins/emitter';
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      import ScrollbarMixins from '../modal/mixins-scrollbar';
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      const prefixCls = 'ivu-drawer';
  
      export default {
          name: 'Drawer',
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          mixins: [ Emitter, ScrollbarMixins ],
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          components: { Icon },
          directives: { TransferDom },
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          props: {
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              value: {
                  type: Boolean,
                  default: false
              },
              title: {
                  type: String
              },
              width: {
                  type: [Number, String],
                  default: 256
              },
              closable: {
                  type: Boolean,
                  default: true
              },
              maskClosable: {
                  type: Boolean,
                  default: true
              },
              mask: {
                  type: Boolean,
                  default: true
              },
              maskStyle: {
                  type: Object
              },
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              styles: {
                  type: Object
              },
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              scrollable: {
                  type: Boolean,
                  default: false
              },
              placement: {
                  validator (value) {
                      return oneOf(value, ['left', 'right']);
                  },
                  default: 'right'
              },
              zIndex: {
                  type: Number,
                  default: 1000
              },
              transfer: {
                  type: Boolean,
                  default () {
                      return !this.$IVIEW || this.$IVIEW.transfer === '' ? true : this.$IVIEW.transfer;
                  }
              },
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              className: {
                  type: String
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              },
              inner: {
                  type: Boolean,
                  default: false
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              }
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          },
          data () {
              return {
                  prefixCls: prefixCls,
                  visible: this.value,
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                  wrapShow: false,
                  showHead: true,
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              };
          },
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          computed: {
              wrapClasses () {
                  return [
                      `${prefixCls}-wrap`,
                      {
                          [`${prefixCls}-hidden`]: !this.wrapShow,
                          [`${this.className}`]: !!this.className,
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                          [`${prefixCls}-no-mask`]: !this.mask,
                          [`${prefixCls}-wrap-inner`]: this.inner
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                      }
                  ];
              },
              mainStyles () {
                  let style = {};
  
                  const width = parseInt(this.width);
  
                  const styleWidth = {
                      width: width <= 100 ? `${width}%` : `${width}px`
                  };
  
                  Object.assign(style, styleWidth);
  
                  return style;
              },
              contentClasses () {
                  return [
                      `${prefixCls}-content`,
                      {
                          [`${prefixCls}-content-no-mask`]: !this.mask
                      }
                  ];
              },
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              classes () {
                  return [
                      `${prefixCls}`,
                      `${prefixCls}-${this.placement}`,
                      {
                          [`${prefixCls}-no-header`]: !this.showHead,
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                          [`${prefixCls}-inner`]: this.inner
                      }
                  ];
              },
              maskClasses () {
                  return [
                      `${prefixCls}-mask`,
                      {
                          [`${prefixCls}-mask-inner`]: this.inner
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                      }
                  ];
              }
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          },
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          methods: {
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              close () {
                  this.visible = false;
                  this.$emit('input', false);
                  this.$emit('on-close');
              },
              handleMask () {
                  if (this.maskClosable && this.mask) {
                      this.close();
                  }
              },
              handleWrapClick (event) {
                  // use indexOf,do not use === ,because ivu-modal-wrap can have other custom className
                  const className = event.target.getAttribute('class');
                  if (className && className.indexOf(`${prefixCls}-wrap`) > -1) this.handleMask();
              },
          },
          mounted () {
              if (this.visible) {
                  this.wrapShow = true;
              }
  
              let showHead = true;
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              if (this.$slots.header === undefined && !this.title) {
                  showHead = false;
              }
  
              this.showHead = showHead;
          },
          beforeDestroy () {
              this.removeScrollEffect();
          },
          watch: {
              value (val) {
                  this.visible = val;
              },
              visible (val) {
                  if (val === false) {
                      this.timer = setTimeout(() => {
                          this.wrapShow = false;
                          this.removeScrollEffect();
                      }, 300);
                  } else {
                      if (this.timer) clearTimeout(this.timer);
                      this.wrapShow = true;
                      if (!this.scrollable) {
                          this.addScrollEffect();
                      }
                  }
                  this.broadcast('Table', 'on-visible-change', val);
                  this.broadcast('Slider', 'on-visible-change', val);  // #2852
                  this.$emit('on-visible-change', val);
              },
              scrollable (val) {
                  if (!val) {
                      this.addScrollEffect();
                  } else {
                      this.removeScrollEffect();
                  }
              },
              title (val) {
                  if (this.$slots.header === undefined) {
                      this.showHead = !!val;
                  }
              }
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          }
      };
  </script>