dragon-mobile-ui/lib/_CascaderPicker/CascaderPicker.js

UI for react.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _classnames2 = require('classnames');

var _classnames3 = _interopRequireDefault(_classnames2);

var _arrayTreeFilter = require('./array-tree-filter');

var _arrayTreeFilter2 = _interopRequireDefault(_arrayTreeFilter);

var _MultiPicker = require('./MultiPicker');

var _MultiPicker2 = _interopRequireDefault(_MultiPicker);

var _Cascader = require('./Cascader');

var _Cascader2 = _interopRequireDefault(_Cascader);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

// 阻止选择器区域的默认事件
function onContainerClick(e) {
  e.stopPropagation();
}

var CascaderPicker = function (_Component) {
  _inherits(CascaderPicker, _Component);

  function CascaderPicker(props) {
    _classCallCheck(this, CascaderPicker);

    var _this = _possibleConstructorReturn(this, (CascaderPicker.__proto__ || Object.getPrototypeOf(CascaderPicker)).call(this, props));

    _this.state = {
      visible: props.visible || false,
      value: props.value,
      data: props.data,
      cascade: Object.prototype.toString.call(props.data[0]) !== '[object Array]'
    };

    _this.tempValue = props.value;
    return _this;
  }

  _createClass(CascaderPicker, [{
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      if ('value' in nextProps) {
        this.setState({
          value: nextProps.value,
          data: nextProps.data,
          cascade: Object.prototype.toString.call(nextProps.data[0]) !== '[object Array]'
        });
      }
    }
  }, {
    key: 'onValueChange',
    value: function onValueChange(value) {
      this.props.onChange(value);
    }
  }, {
    key: 'onCancel',
    value: function onCancel() {
      var onCancel = this.props.onCancel;

      this.toggle();
      this.setState({
        value: this.tempValue
      });
      onCancel && onCancel();
    }
  }, {
    key: 'onOk',
    value: function onOk() {
      var onOk = this.props.onOk;

      var value = this.getInitValue();
      this.tempValue = value;
      this.toggle();
      onOk && onOk(value);
    }
  }, {
    key: 'onMaskClick',
    value: function onMaskClick() {
      var onMaskClick = this.props.onMaskClick;

      this.onCancel();
      onMaskClick && onMaskClick();
    }
  }, {
    key: 'getInitValue',
    value: function getInitValue() {
      var data = this.state.data;

      var value = this.state.value;

      if (!value || !value.length) {
        // 判断数据是否为级联，简单判断数据第一个元素是否为数组
        if (this.state.cascade) {
          for (var i = 0; i < this.props.cols; i += 1) {
            if (data && data.length) {
              value[i] = data[0].value;
              data = data[0].children;
            }
          }
        } else {
          data.forEach(function (d) {
            value.push(d[0].value);
          });
        }
      }
      return value;
    }

    // 切换显示状态

  }, {
    key: 'toggle',
    value: function toggle() {
      if (this.props.disabled) {
        return;
      }
      this.setState({
        visible: !this.state.visible
      });
    }
  }, {
    key: 'render',
    value: function render() {
      var _this2 = this;

      var _props = this.props,
          prefixCls = _props.prefixCls,
          format = _props.format,
          disabled = _props.disabled,
          pickerPrefixCls = _props.pickerPrefixCls,
          className = _props.className,
          cancelText = _props.cancelText,
          okText = _props.okText,
          title = _props.title,
          placeholder = _props.placeholder;
      var _state = this.state,
          data = _state.data,
          value = _state.value;


      var Picker = null;

      var classes = (0, _classnames3.default)(_defineProperty({
        'ui-picker-container': true,
        'ui-picker-hidden': !this.state.visible
      }, className, !!className));

      var inputCls = (0, _classnames3.default)({
        'ui-picker-placeholder': !value.join(format),
        'ui-picker-disabled': !!disabled
      });

      var cols = data.map(function (d) {
        return { props: { children: d } };
      });

      if (this.state.cascade) {
        Picker = _react2.default.createElement(_Cascader2.default, {
          prefixCls: prefixCls,
          pickerPrefixCls: pickerPrefixCls,
          data: data,
          value: this.state.value,
          cols: this.props.cols,
          onChange: function onChange(v) {
            return _this2.onValueChange(v);
          }
        });
      } else {
        Picker = _react2.default.createElement(
          _MultiPicker2.default,
          {
            className: className,
            prefixCls: prefixCls,
            pickerPrefixCls: pickerPrefixCls,
            selectedValue: value,
            onValueChange: function onValueChange(v) {
              return _this2.onValueChange(v);
            } },
          cols
        );
      }

      var display = function display() {
        if (_this2.state.cascade) {
          if (value.length) {
            var treeChildren = (0, _arrayTreeFilter2.default)(_this2.props.data, function (c, level) {
              return c.value === value[level];
            });

            return treeChildren.map(function (v) {
              return v.label;
            }).join(format);
          }

          return value.join(format) || placeholder;
        }
        return value.join(format) || placeholder;
      };

      return _react2.default.createElement(
        'div',
        { className: 'ui-picker-group', onClick: function onClick() {
            return _this2.toggle();
          } },
        _react2.default.createElement(
          'div',
          { className: inputCls },
          display()
        ),
        _react2.default.createElement(
          'div',
          { className: classes, onClick: function onClick(e) {
              return onContainerClick(e);
            } },
          _react2.default.createElement('div', { className: 'ui-picker-mask', onClick: function onClick() {
              return _this2.onMaskClick();
            } }),
          _react2.default.createElement(
            'div',
            { className: 'ui-picker-inner' },
            _react2.default.createElement(
              'div',
              { className: 'ui-picker-header' },
              _react2.default.createElement(
                'div',
                { className: 'ui-picker-cancel', onClick: function onClick() {
                    return _this2.onCancel();
                  } },
                cancelText
              ),
              _react2.default.createElement(
                'div',
                { className: 'ui-picker-title' },
                title
              ),
              _react2.default.createElement(
                'div',
                { className: 'ui-picker-submit', onClick: function onClick() {
                    return _this2.onOk();
                  } },
                okText
              )
            ),
            _react2.default.createElement(
              'div',
              { className: 'ui-picker-mask-top' },
              _react2.default.createElement(
                'div',
                { className: 'ui-picker-mask-bottom' },
                Picker
              )
            )
          )
        )
      );
    }
  }]);

  return CascaderPicker;
}(_react.Component);

CascaderPicker.propTypes = {
  visible: _propTypes2.default.bool,
  title: _propTypes2.default.string,
  cancelText: _propTypes2.default.string,
  okText: _propTypes2.default.string
};

CascaderPicker.defaultProps = {
  visible: false,
  cancelText: '取消',
  okText: '确定',
  cols: 3,
  value: []
};

exports.default = CascaderPicker;