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src/components/radio/radio.vue 2.7 KB
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  <template>
      <label :class="wrapClasses">
          <span :class="radioClasses">
              <span :class="innerClasses"></span>
              <input
                  type="radio"
                  :class="inputClasses"
                  :disabled="disabled"
                  :checked="selected"
                  @change="change">
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          </span><slot>{{ value }}</slot>
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      </label>
  </template>
  <script>
      const prefixCls = 'ivu-radio';
  
      export default {
          props: {
              checked: {
                  type: Boolean,
                  default: false
              },
              disabled: {
                  type: Boolean,
                  default: false
              },
              value: {
                  type: [String, Number]
              }
          },
          data () {
              return {
                  selected: false,
                  group: false
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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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              },
              radioClasses () {
                  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 === 'radioGroup') this.group = true;
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              if (!this.group) {
                  this.updateModel();
              }
          },
          methods: {
              change (event) {
                  if (this.disabled) {
                      return false;
                  }
  
                  this.selected = event.target.checked;
                  this.checked = this.selected;
  
                  if (this.group && this.checked) {
                      this.$parent.change({
                          value: this.value,
                          checked: this.checked
                      });
                  }
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                  if (!this.group) this.$dispatch('on-form-change', this.selected);
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              },
              updateModel () {
                  this.selected = this.checked;
              }
          },
          watch: {
              checked () {
                  this.updateModel();
              }
          }
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      };
  </script>