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src/components/checkbox/checkbox.vue 3.07 KB
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  <template>
      <label :class="wrapClasses">
          <span :class="checkboxClasses">
              <span :class="innerClasses"></span>
              <input
                  v-if="group"
                  type="checkbox"
                  :class="inputClasses"
                  :disabled="disabled"
                  :value="value"
                  v-model="model"
                  @change="change">
              <input
                  v-if="!group"
                  type="checkbox"
                  :class="inputClasses"
                  :disabled="disabled"
                  v-model="checked"
                  @change="change">
          </span>
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          <slot v-if="showSlot"><span v-el:slot>{{ value }}</span></slot>
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      </label>
  </template>
  <script>
      const prefixCls = 'ivu-checkbox';
  
      export default {
          props: {
              disabled: {
                  type: Boolean,
                  default: false
              },
              value: {
                  type: [String, Number, Boolean]
              },
              checked: {
                  type: Boolean,
                  default: false
              }
          },
          data () {
              return {
                  model: [],
                  selected: false,
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                  group: false,
                  showSlot: true
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              };
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          },
          computed: {
              wrapClasses () {
                  return [
                      `${prefixCls}-wrapper`,
                      {
                          [`${prefixCls}-group-item`]: this.group,
                          [`${prefixCls}-wrapper-checked`]: this.selected,
                          [`${prefixCls}-wrapper-disabled`]: this.disabled
                      }
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                  ];
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              },
              checkboxClasses () {
                  return [
                      `${prefixCls}`,
                      {
                          [`${prefixCls}-checked`]: this.selected,
                          [`${prefixCls}-disabled`]: this.disabled
                      }
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                  ];
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              },
              innerClasses () {
                  return `${prefixCls}-inner`;
              },
              inputClasses () {
                  return `${prefixCls}-input`;
              }
          },
          ready () {
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              if (this.$parent && this.$parent.$options.name === 'checkboxGroup') this.group = true;
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              if (!this.group) {
                  this.updateModel();
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                  if (this.$els.slot && this.$els.slot.innerHTML === '') {
                      this.showSlot = false;
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                  }
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              }
          },
          methods: {
              change (event) {
                  if (this.disabled) {
                      return false;
                  }
  
                  this.selected = event.target.checked;
  
                  if (this.group) {
                      this.$parent.change(this.model);
                  } else {
                      this.$emit('on-change', this.checked);
                  }
              },
              updateModel () {
                  this.selected = this.checked;
              }
          },
          watch: {
              checked () {
                  this.updateModel();
              }
          }
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      };
  </script>