chenhaodong / mew-iview

  <template>

      <div :class="classes" @click="handleClick">
          <span :class="getCellCls(cell)" v-for="cell in cells"><em :index="$index">{{ cell.text }}月</em></span>
      </div>

  </template>
  <script>

      import { deepCopy } from '../../../utils/assist';
      const prefixCls = 'ivu-date-picker-cells';
  

      export default {

          props: {
              date: {},
              month: {
                  type: Number
              },

              disabledDate: {},
              selectionMode: {
                  default: 'month'
              }

          },

          computed: {
              classes () {
                  return [
                      `${prefixCls}`,
                      `${prefixCls}-month`
                  ]
              },
              cells () {
                  let cells = [];
                  const cell_tmpl = {
                      text: '',
                      selected: false,
                      disabled: false
                  };
  
                  for (let i = 0; i < 12; i++) {
                      const cell = deepCopy(cell_tmpl);
                      cell.text = i + 1;
  
                      const date = new Date(this.date);
                      date.setMonth(i);

                      cell.disabled = typeof this.disabledDate === 'function' && this.disabledDate(date)  && this.selectionMode === 'month';

  
                      cell.selected = Number(this.month) === i;
                      cells.push(cell);
                  }
  
                  return cells;
              }
          },
          methods: {
              getCellCls (cell) {
                  return [
                      `${prefixCls}-cell`,
                      {
                          [`${prefixCls}-cell-selected`]: cell.selected,
                          [`${prefixCls}-cell-disabled`]: cell.disabled
                      }
                  ]
              },
              handleClick (event) {
                  const target = event.target;
                  if (target.tagName === 'EM') {
                      const index = parseInt(event.target.getAttribute('index'));
                      const cell = this.cells[index];
                      if (cell.disabled) return;
  
                      this.$emit('on-pick', index);
                  }

                  this.$emit('on-pick-click');

              }
          }

      }
  </script>