<template>
  <div>
    <p class="tip">多选树表格</p>

    <vxe-virtual-tree
      resizable
      row-key
      row-id="id"
      :checkbox-config="{checkField: 'checked', halfField: 'indeterminate'}"
      :tree-config="{children: 'children'}"
      :data="tableData1"
      :columns="tableColumn1"
      @checkbox-change="selectChangeEvent">
    </vxe-virtual-tree>

    <p class="demo-code">{{ $t('app.body.button.showCode') }}</p>

    <pre>
      <pre-code class="xml">{{ demoCodes[0] }}</pre-code>
      <pre-code class="javascript">{{ demoCodes[1] }}</pre-code>
    </pre>

    <p class="tip">默认选中，通过指定 <virtual-tree-api-link prop="checkRowKeys"/> 设置默认选中的行</p>

    <vxe-virtual-tree
      resizable
      row-key
      row-id="id"
      :data="tableData2"
      :columns="tableColumn2"
      :tree-config="{children: 'children'}"
      :checkbox-config="{labelField: 'name', checkRowKeys: ['122000', '20000'], checkField: 'checked', halfField: 'indeterminate'}"
      @checkbox-change="selectChangeEvent">
    </vxe-virtual-tree>

    <p class="demo-code">{{ $t('app.body.button.showCode') }}</p>

    <pre>
      <pre-code class="xml">{{ demoCodes[2] }}</pre-code>
      <pre-code class="javascript">{{ demoCodes[3] }}</pre-code>
    </pre>

    <p class="tip">通过 <virtual-tree-api-link prop="checkStrictly"/> 设置父子节点不互相关联，默认不显示头部复选框，可以通过 checkbox-config={<virtual-tree-api-link prop="showHeader"/>} 设置</p>

    <vxe-virtual-tree
      resizable
      row-key
      row-id="id"
      :data="tableData3"
      :columns="tableColumn3"
      :tree-config="{children: 'children'}"
      :checkbox-config="{labelField: 'name', checkStrictly: true, checkField: 'checked', halfField: 'indeterminate'}">
    </vxe-virtual-tree>

    <p class="demo-code">{{ $t('app.body.button.showCode') }}</p>

    <pre>
      <pre-code class="xml">{{ demoCodes[4] }}</pre-code>
      <pre-code class="javascript">{{ demoCodes[5] }}</pre-code>
    </pre>
  </div>
</template>

<script>
export default {
  data () {
    return {
      tableData1: [
        { id: 1000, name: 'vxe-table 从入门到放弃1', type: 'mp3', size: 1024, date: '2020-08-01' },
        {
          id: 1005,
          name: 'Test2',
          type: 'mp4',
          size: null,
          date: '2021-04-01',
          children: [
            { id: 24300, name: 'Test3', type: 'avi', size: 1024, date: '2020-03-01' },
            { id: 20045, name: 'vxe-table 从入门到放弃4', type: 'html', size: 600, date: '2021-04-01' },
            {
              id: 10053,
              name: 'vxe-table 从入门到放弃96',
              type: 'avi',
              size: null,
              date: '2021-04-01',
              children: [
                { id: 24330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-01' },
                { id: 21011, name: 'Test6', type: 'pdf', size: 512, date: '2020-01-01' },
                { id: 22200, name: 'Test7', type: 'js', size: 1024, date: '2021-06-01' }
              ]
            }
          ]
        },
        {
          id: 23666,
          name: 'Test23',
          type: 'mp4',
          size: null,
          date: '2021-01-02',
          children: [
            {
              id: 27666,
              name: 'vxe-table 从入门到放弃96',
              type: 'avi',
              size: null,
              date: '2021-08-04',
              children: [
                { id: 29330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-03' },
                { id: 29331, name: 'Test33', type: 'pdf', size: 512, date: '2020-03-01' }
              ]
            }
          ]
        },
        { id: 24555, name: 'vxe-table 从入门到放弃9', type: 'avi', size: 224, date: '2020-10-01' }
      ],
      tableData2: [
        { id: 1000, name: 'vxe-table 从入门到放弃1', type: 'mp3', size: 1024, date: '2020-08-01' },
        {
          id: 1005,
          name: 'Test2',
          type: 'mp4',
          size: null,
          date: '2021-04-01',
          children: [
            { id: 24300, name: 'Test3', type: 'avi', size: 1024, date: '2020-03-01' },
            { id: 20045, name: 'vxe-table 从入门到放弃4', type: 'html', size: 600, date: '2021-04-01' },
            {
              id: 10053,
              name: 'vxe-table 从入门到放弃96',
              type: 'avi',
              size: null,
              date: '2021-04-01',
              children: [
                { id: 24330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-01' },
                { id: 21011, name: 'Test6', type: 'pdf', size: 512, date: '2020-01-01' },
                { id: 22200, name: 'Test7', type: 'js', size: 1024, date: '2021-06-01' }
              ]
            }
          ]
        },
        {
          id: 23666,
          name: 'Test23',
          type: 'mp4',
          size: null,
          date: '2021-01-02',
          children: [
            {
              id: 27666,
              name: 'vxe-table 从入门到放弃96',
              type: 'avi',
              size: null,
              date: '2021-08-04',
              children: [
                { id: 29330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-03' },
                { id: 29331, name: 'Test33', type: 'pdf', size: 512, date: '2020-03-01' }
              ]
            }
          ]
        },
        { id: 24555, name: 'vxe-table 从入门到放弃9', type: 'avi', size: 224, date: '2020-10-01' }
      ],
      tableData3: [
        { id: 1000, name: 'vxe-table 从入门到放弃1', type: 'mp3', size: 1024, date: '2020-08-01' },
        {
          id: 1005,
          name: 'Test2',
          type: 'mp4',
          size: null,
          date: '2021-04-01',
          children: [
            { id: 24300, name: 'Test3', type: 'avi', size: 1024, date: '2020-03-01' },
            { id: 20045, name: 'vxe-table 从入门到放弃4', type: 'html', size: 600, date: '2021-04-01' },
            {
              id: 10053,
              name: 'vxe-table 从入门到放弃96',
              type: 'avi',
              size: null,
              date: '2021-04-01',
              children: [
                { id: 24330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-01' },
                { id: 21011, name: 'Test6', type: 'pdf', size: 512, date: '2020-01-01' },
                { id: 22200, name: 'Test7', type: 'js', size: 1024, date: '2021-06-01' }
              ]
            }
          ]
        },
        {
          id: 23666,
          name: 'Test23',
          type: 'mp4',
          size: null,
          date: '2021-01-02',
          children: [
            {
              id: 27666,
              name: 'vxe-table 从入门到放弃96',
              type: 'avi',
              size: null,
              date: '2021-08-04',
              children: [
                { id: 29330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-03' },
                { id: 29331, name: 'Test33', type: 'pdf', size: 512, date: '2020-03-01' }
              ]
            }
          ]
        },
        { id: 24555, name: 'vxe-table 从入门到放弃9', type: 'avi', size: 224, date: '2020-10-01' }
      ],
      tableColumn1: [
        { type: 'checkbox', treeNode: true },
        { field: 'name', title: 'Name' },
        { field: 'size', title: 'Size' },
        { field: 'type', title: 'Type' },
        { field: 'date', title: 'Date' }
      ],
      tableColumn2: [
        { type: 'checkbox', title: 'Name', width: 400, treeNode: true },
        { field: 'size', title: 'Size' },
        { field: 'type', title: 'Type' },
        { field: 'date', title: 'Date' }
      ],
      tableColumn3: [
        { type: 'checkbox', title: 'Name', width: 280, treeNode: true },
        { field: 'size', title: 'Size' },
        { field: 'type', title: 'Type' },
        { field: 'date', title: 'Date' }
      ],
      demoCodes: [
        `
        <vxe-virtual-tree
          resizable
          row-key
          row-id="id"
          :checkbox-config="{checkField: 'checked', halfField: 'indeterminate'}"
          :tree-config="{children: 'children'}"
          :data="tableData1"
          :columns="tableColumn1"
          @checkbox-change="selectChangeEvent">
        </vxe-virtual-tree>
        `,
        `
        export default {
          data () {
            return {
              tableData1: [
                { id: 1000, name: 'vxe-table 从入门到放弃1', type: 'mp3', size: 1024, date: '2020-08-01' },
                {
                  id: 1005,
                  name: 'Test2',
                  type: 'mp4',
                  size: null,
                  date: '2021-04-01',
                  children: [
                    { id: 24300, name: 'Test3', type: 'avi', size: 1024, date: '2020-03-01' },
                    { id: 20045, name: 'vxe-table 从入门到放弃4', type: 'html', size: 600, date: '2021-04-01' },
                    {
                      id: 10053,
                      name: 'vxe-table 从入门到放弃96',
                      type: 'avi',
                      size: null,
                      date: '2021-04-01',
                      children: [
                        { id: 24330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-01' },
                        { id: 21011, name: 'Test6', type: 'pdf', size: 512, date: '2020-01-01' },
                        { id: 22200, name: 'Test7', type: 'js', size: 1024, date: '2021-06-01' }
                      ]
                    }
                  ]
                },
                {
                  id: 23666,
                  name: 'Test23',
                  type: 'mp4',
                  size: null,
                  date: '2021-01-02',
                  children: [
                    {
                      id: 27666,
                      name: 'vxe-table 从入门到放弃96',
                      type: 'avi',
                      size: null,
                      date: '2021-08-04',
                      children: [
                        { id: 29330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-03' },
                        { id: 29331, name: 'Test33', type: 'pdf', size: 512, date: '2020-03-01' }
                      ]
                    }
                  ]
                },
                { id: 24555, name: 'vxe-table 从入门到放弃9', type: 'avi', size: 224, date: '2020-10-01' }
              ],
              tableColumn: [
                { type: 'checkbox', treeNode: true },
                { field: 'name', title: 'Name' },
                { field: 'size', title: 'Size' },
                { field: 'type', title: 'Type' },
                { field: 'date', title: 'Date' }
              ]
            }
          },
          methods: {
            selectChangeEvent ({ records }) {
              console.info(\`勾选\${records.length}个树形节点\`, records)
            }
          }
        }
        `,
        `
        <vxe-virtual-tree
          resizable
          row-key
          row-id="id"
          :data="tableData2"
          :columns="tableColumn2"
          :tree-config="{children: 'children'}"
          :checkbox-config="{labelField: 'name', checkRowKeys: ['122000', '20000'], checkField: 'checked', halfField: 'indeterminate'}"
          @checkbox-change="selectChangeEvent">
        </vxe-virtual-tree>
        `,
        `
        export default {
          data () {
            return {
              tableData2: [
                { id: 1000, name: 'vxe-table 从入门到放弃1', type: 'mp3', size: 1024, date: '2020-08-01' },
                {
                  id: 1005,
                  name: 'Test2',
                  type: 'mp4',
                  size: null,
                  date: '2021-04-01',
                  children: [
                    { id: 24300, name: 'Test3', type: 'avi', size: 1024, date: '2020-03-01' },
                    { id: 20045, name: 'vxe-table 从入门到放弃4', type: 'html', size: 600, date: '2021-04-01' },
                    {
                      id: 10053,
                      name: 'vxe-table 从入门到放弃96',
                      type: 'avi',
                      size: null,
                      date: '2021-04-01',
                      children: [
                        { id: 24330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-01' },
                        { id: 21011, name: 'Test6', type: 'pdf', size: 512, date: '2020-01-01' },
                        { id: 22200, name: 'Test7', type: 'js', size: 1024, date: '2021-06-01' }
                      ]
                    }
                  ]
                },
                {
                  id: 23666,
                  name: 'Test23',
                  type: 'mp4',
                  size: null,
                  date: '2021-01-02',
                  children: [
                    {
                      id: 27666,
                      name: 'vxe-table 从入门到放弃96',
                      type: 'avi',
                      size: null,
                      date: '2021-08-04',
                      children: [
                        { id: 29330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-03' },
                        { id: 29331, name: 'Test33', type: 'pdf', size: 512, date: '2020-03-01' }
                      ]
                    }
                  ]
                },
                { id: 24555, name: 'vxe-table 从入门到放弃9', type: 'avi', size: 224, date: '2020-10-01' }
              ],
              tableColumn: [
                { type: 'checkbox', title: 'Name', width: 400, treeNode: true },
                { field: 'size', title: 'Size' },
                { field: 'type', title: 'Type' },
                { field: 'date', title: 'Date' }
              ]
            }
          },
          methods: {
            selectChangeEvent ({ records }) {
              console.info(\`勾选\${records.length}个树形节点\`, records)
            }
          }
        }
        `,
        `
        <vxe-virtual-tree
          resizable
          row-key
          row-id="id"
          :data="tableData3"
          :columns="tableColumn3"
          :tree-config="{children: 'children'}"
          :checkbox-config="{labelField: 'name', checkStrictly: true, checkField: 'checked', halfField: 'indeterminate'}">
        </vxe-virtual-tree>
        `,
        `
        export default {
          data () {
            return {
              tableData3: [
                { id: 1000, name: 'vxe-table 从入门到放弃1', type: 'mp3', size: 1024, date: '2020-08-01' },
                {
                  id: 1005,
                  name: 'Test2',
                  type: 'mp4',
                  size: null,
                  date: '2021-04-01',
                  children: [
                    { id: 24300, name: 'Test3', type: 'avi', size: 1024, date: '2020-03-01' },
                    { id: 20045, name: 'vxe-table 从入门到放弃4', type: 'html', size: 600, date: '2021-04-01' },
                    {
                      id: 10053,
                      name: 'vxe-table 从入门到放弃96',
                      type: 'avi',
                      size: null,
                      date: '2021-04-01',
                      children: [
                        { id: 24330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-01' },
                        { id: 21011, name: 'Test6', type: 'pdf', size: 512, date: '2020-01-01' },
                        { id: 22200, name: 'Test7', type: 'js', size: 1024, date: '2021-06-01' }
                      ]
                    }
                  ]
                },
                {
                  id: 23666,
                  name: 'Test23',
                  type: 'mp4',
                  size: null,
                  date: '2021-01-02',
                  children: [
                    {
                      id: 27666,
                      name: 'vxe-table 从入门到放弃96',
                      type: 'avi',
                      size: null,
                      date: '2021-08-04',
                      children: [
                        { id: 29330, name: 'vxe-table 从入门到放弃5', type: 'txt', size: 25, date: '2021-10-03' },
                        { id: 29331, name: 'Test33', type: 'pdf', size: 512, date: '2020-03-01' }
                      ]
                    }
                  ]
                },
                { id: 24555, name: 'vxe-table 从入门到放弃9', type: 'avi', size: 224, date: '2020-10-01' }
              ],
              tableColumn: [
                { type: 'checkbox', title: 'Name', width: 280, treeNode: true },
                { field: 'size', title: 'Size' },
                { field: 'type', title: 'Type' },
                { field: 'date', title: 'Date' }
              ]
            }
          }
        }
        `
      ]
    }
  },
  methods: {
    checCheckboxkMethod ({ row }) {
      return !['js', 'mp4'].includes(row.type)
    },
    selectChangeEvent ({ records }) {
      console.info(`勾选${records.length}个树形节点`, records)
    }
  }
}
</script>
