ant-design-vue/components/vc-tree-select/demo/basic.jsx

/* eslint react/no-multi-comp:0, no-console:0, no-alert: 0 */
import BaseMixin from '../../_util/BaseMixin';
import '../assets/index.less';
import '../../vc-dialog/assets/index.less';
import Dialog from '../../vc-dialog';
import TreeSelect, { TreeNode, SHOW_PARENT } from '../src/index';
import { gData } from './util';
import './demo.less';

function isLeaf(value) {
  if (!value) {
    return false;
  }
  let queues = [...gData];
  while (queues.length) {
    // BFS
    const item = queues.shift();
    if (item.value === value) {
      if (!item.children) {
        return true;
      }
      return false;
    }
    if (item.children) {
      queues = queues.concat(item.children);
    }
  }
  return false;
}

function findPath(value, data) {
  const sel = [];
  function loop(selected, children) {
    for (let i = 0; i < children.length; i++) {
      const item = children[i];
      if (selected === item.value) {
        sel.push(item);
        return;
      }
      if (item.children) {
        loop(selected, item.children, item);
        if (sel.length) {
          sel.push(item);
          return;
        }
      }
    }
  }
  loop(value, data);
  return sel;
}

export default {
  mixins: [BaseMixin],
  data: () => ({
    tsOpen: false,
    visible: false,
    searchValue: '0-0-0-label',
    value: '0-0-0-value1',
    // value: ['0-0-0-0-value', '0-0-0-1-value', '0-0-0-2-value'],
    lv: { value: '0-0-0-value', label: 'spe label' },
    multipleValue: [],
    simpleSearchValue: 'test111',
    simpleTreeData: [
      { key: 1, pId: 0, label: 'test1', value: 'test1' },
      { key: 121, pId: 0, label: 'test2', value: 'test2' },
      { key: 11, pId: 1, label: 'test11', value: 'test11' },
      { key: 12, pId: 1, label: 'test12', value: 'test12' },
      { key: 111, pId: 11, label: 'test111', value: 'test111' },
    ],
    treeDataSimpleMode: {
      id: 'key',
      rootPId: 0,
    },
  }),
  methods: {
    onClick() {
      this.setState({
        visible: true,
      });
    },

    onClose() {
      this.setState({
        visible: false,
      });
    },

    onSearch(value) {
      console.log('Do Search:', value, arguments);
      this.setState({ searchValue: value });
    },

    onChange(value, ...rest) {
      console.log('onChange', value, ...rest);
      this.setState({ value });
    },

    onChangeChildren(...args) {
      console.log('onChangeChildren', ...args);
      const value = args[0];
      const pre = value ? this.value : undefined;
      this.setState({ value: isLeaf(value) ? value : pre });
    },

    onChangeLV(value) {
      console.log('labelInValue', arguments);
      if (!value) {
        this.setState({ lv: undefined });
        return;
      }
      const path = findPath(value.value, gData)
        .map(i => i.label)
        .reverse()
        .join(' > ');
      this.setState({ lv: { value: value.value, label: path } });
    },

    onMultipleChange(value) {
      console.log('onMultipleChange', arguments);
      this.setState({ multipleValue: value });
    },

    onSelect() {
      // use onChange instead
      console.log(arguments);
    },

    onDropdownVisibleChange(visible, info) {
      console.log(visible, this.value, info);
      if (Array.isArray(this.value) && this.value.length > 1 && this.value.length < 3) {
        window.alert('please select more than two item or less than one item.');
        return false;
      }
      return true;
    },

    filterTreeNode(input, child) {
      return String(child.data.props.title).indexOf(input) === 0;
    },
  },

  render() {
    return (
      <div style={{ margin: '20px' }}>
        <h2>tree-select in dialog</h2>
        <button class="btn btn-primary" onClick={this.onClick}>
          show dialog
        </button>
        {this.visible ? (
          <Dialog
            visible={this.visible}
            animation="zoom"
            maskAnimation="fade"
            onClose={this.onClose}
            style={{ width: '600px', height: '400px', overflow: 'auto' }}
            id="area"
          >
            <div style={{ height: '600px', paddingTop: '100px' }}>
              <TreeSelect
                getPopupContainer={triggerNode => triggerNode.parentNode}
                style={{ width: '300px' }}
                transitionName="rc-tree-select-dropdown-slide-up"
                choiceTransitionName="rc-tree-select-selection__choice-zoom"
                dropdownStyle={{ maxHeight: '200px', overflow: 'auto', zIndex: 1500 }}
                placeholder={<i>请下拉选择</i>}
                searchPlaceholder="please search"
                showSearch
                allowClear
                treeLine
                value={this.value}
                treeData={gData}
                treeNodeFilterProp="label"
                filterTreeNode={false}
                onSearch={this.onSearch}
                onChange={this.onChange}
                onSelect={this.onSelect}
                __propsSymbol__={Symbol()}
              />
            </div>
          </Dialog>
        ) : null}
        <h2>single select</h2>
        <TreeSelect
          style={{ width: '300px' }}
          transitionName="rc-tree-select-dropdown-slide-up"
          choiceTransitionName="rc-tree-select-selection__choice-zoom"
          dropdownStyle={{ maxHeight: '200px', overflow: 'auto' }}
          placeholder={<i>请下拉选择</i>}
          searchPlaceholder="please search"
          showSearch
          allowClear
          treeLine
          searchValue={this.searchValue}
          value={this.value}
          treeData={gData}
          treeNodeFilterProp="label"
          filterTreeNode={false}
          onSearch={this.onSearch}
          open={this.tsOpen}
          onChange={(value, ...args) => {
            console.log('onChange', value, ...args);
            if (value === '0-0-0-0-value') {
              this.setState({ tsOpen: true });
            } else {
              this.setState({ tsOpen: false });
            }
            this.setState({ value });
          }}
          dropdownVisibleChange={(v, info) => {
            console.log('single onDropdownVisibleChange', v, info);
            // document clicked
            if (info.documentClickClose && this.value === '0-0-0-0-value') {
              return false;
            }
            this.setState({
              tsOpen: v,
            });
            return true;
          }}
          onSelect={this.onSelect}
          __propsSymbol__={Symbol()}
        />

        <h2>single select (just select children)</h2>
        <TreeSelect
          style={{ width: '300px' }}
          transitionName="rc-tree-select-dropdown-slide-up"
          choiceTransitionName="rc-tree-select-selection__choice-zoom"
          dropdownStyle={{ maxHeight: '200px', overflow: 'auto' }}
          placeholder={<i>请下拉选择</i>}
          searchPlaceholder="please search"
          showSearch
          allowClear
          treeLine
          value={this.value}
          treeData={gData}
          treeNodeFilterProp="label"
          filterTreeNode={false}
          onChange={this.onChangeChildren}
          __propsSymbol__={Symbol()}
        />

        <h2>multiple select</h2>
        <TreeSelect
          style={{ width: '300px' }}
          transitionName="rc-tree-select-dropdown-slide-up"
          choiceTransitionName="rc-tree-select-selection__choice-zoom"
          dropdownStyle={{ maxHeight: '200px', overflow: 'auto' }}
          placeholder={<i>请下拉选择</i>}
          searchPlaceholder="please search"
          multiple
          value={this.multipleValue}
          treeData={gData}
          treeNodeFilterProp="title"
          onChange={this.onMultipleChange}
          onSelect={this.onSelect}
          allowClear
          __propsSymbol__={Symbol()}
        />

        <h2>check select</h2>
        <TreeSelect
          class="check-select"
          transitionName="rc-tree-select-dropdown-slide-up"
          choiceTransitionName="rc-tree-select-selection__choice-zoom"
          dropdownStyle={{ height: '200px', overflow: 'auto' }}
          dropdownPopupAlign={{ overflow: { adjustY: 0, adjustX: 0 }, offset: [0, 2] }}
          dropdownVisibleChange={this.onDropdownVisibleChange}
          placeholder={<i>请下拉选择</i>}
          searchPlaceholder="please search"
          treeLine
          maxTagTextLength={10}
          value={this.value}
          autoClearSearchValue
          treeData={gData}
          treeNodeFilterProp="title"
          treeCheckable
          showCheckedStrategy={SHOW_PARENT}
          onChange={this.onChange}
          onSelect={this.onSelect}
          maxTagCount={2}
          maxTagPlaceholder={valueList => {
            console.log('Max Tag Rest Value:', valueList);
            return `${valueList.length} rest...`;
          }}
          __propsSymbol__={Symbol()}
        />

        <h2>labelInValue & show path</h2>
        <TreeSelect
          style={{ width: '500px' }}
          transitionName="rc-tree-select-dropdown-slide-up"
          choiceTransitionName="rc-tree-select-selection__choice-zoom"
          dropdownStyle={{ maxHeight: '200px', overflow: 'auto' }}
          placeholder={<i>请下拉选择</i>}
          searchPlaceholder="please search"
          showSearch
          allowClear
          treeLine
          value={this.lv}
          labelInValue
          treeData={gData}
          treeNodeFilterProp="label"
          filterTreeNode={false}
          onChange={this.onChangeLV}
          __propsSymbol__={Symbol()}
        />

        <h2>use treeDataSimpleMode</h2>
        <TreeSelect
          style={{ width: '300px' }}
          dropdownStyle={{ maxHeight: '200px', overflow: 'auto' }}
          placeholder={<i>请下拉选择</i>}
          searchPlaceholder="please search"
          treeLine
          maxTagTextLength={10}
          searchValue={this.simpleSearchValue}
          onSearch={simpleSearchValue => {
            this.setState({ simpleSearchValue });
          }}
          value={this.value}
          treeData={this.simpleTreeData}
          treeNodeFilterProp="title"
          treeDataSimpleMode={this.treeDataSimpleMode}
          treeCheckable
          showCheckedStrategy={SHOW_PARENT}
          onChange={this.onChange}
          onSelect={this.onSelect}
          __propsSymbol__={Symbol()}
        />

        <h2>Testing in extreme conditions (Boundary conditions test) </h2>
        <TreeSelect
          style={{ width: '200px' }}
          dropdownStyle={{ maxHeight: '200px', overflow: 'auto' }}
          defaultValue="leaf1"
          multiple
          treeCheckable
          showCheckedStrategy={SHOW_PARENT}
          treeDefaultExpandAll
          treeData={[
            { key: '', value: '', label: 'empty value', children: [] },
            {
              key: '0',
              value: '0',
              label: '0 label',
              children: [
                { key: '00', value: '00', label: '00 label', children: [] },
                { key: '01', value: '01', label: '01 label', children: [] },
              ],
            },
          ]}
          onChange={(val, ...args) => console.log(val, ...args)}
          __propsSymbol__={Symbol()}
        />

        <h2>use TreeNode Component (not recommend)</h2>
        <TreeSelect
          style={{ width: '200px' }}
          dropdownStyle={{ maxHeight: '200px', overflow: 'auto' }}
          defaultValue="leaf1"
          treeDefaultExpandAll
          treeNodeFilterProp="title"
          filterTreeNode={this.filterTreeNode}
          onChange={(val, ...args) => console.log(val, ...args)}
          __propsSymbol__={Symbol()}
        >
          <TreeNode value="" title="parent 1" key="">
            <TreeNode value="parent 1-0" title="parent 1-0" key="0-1-0">
              <TreeNode value="leaf1" title="my leaf" key="random" />
              <TreeNode value="leaf2" title="your leaf" key="random1" disabled />
            </TreeNode>
            <TreeNode value="parent 1-1" title="parent 1-1" key="0-1-1">
              <TreeNode
                value="sss"
                title={<span style={{ color: 'red' }}>sss</span>}
                key="random3"
              />
              <TreeNode value="same value1" title="same txtle" key="0-1-1-1">
                <TreeNode
                  value="same value10"
                  title="same titlexd"
                  key="0-1-1-1-0"
                  style={{ color: 'red', background: 'green' }}
                />
              </TreeNode>
            </TreeNode>
          </TreeNode>
          <TreeNode value="same value2" title="same title" key="0-2">
            <TreeNode value="2same value" title="2same title" key="0-2-0" />
          </TreeNode>
          <TreeNode value="same value3" title="same title" key="0-3" />
        </TreeSelect>
      </div>
    );
  },
};