zent/lib/colorpicker/common/EditableInput.js

一套前端设计语言和基于React的实现

'use strict';

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

var _defineProperty2 = require('babel-runtime/helpers/defineProperty');

var _defineProperty3 = _interopRequireDefault(_defineProperty2);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _reactcss = require('../helpers/reactcss');

var _reactcss2 = _interopRequireDefault(_reactcss);

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

var EditableInput = function (_Component) {
  (0, _inherits3['default'])(EditableInput, _Component);

  function EditableInput(props) {
    (0, _classCallCheck3['default'])(this, EditableInput);

    var _this = (0, _possibleConstructorReturn3['default'])(this, (EditableInput.__proto__ || Object.getPrototypeOf(EditableInput)).call(this));

    _this.handleBlur = function () {
      if (_this.state.blurValue) {
        _this.setState({ value: _this.state.blurValue, blurValue: null });
      }
    };

    _this.handleChange = function (e) {
      var label = !!_this.props.label;
      if (label) {
        _this.props.onChange((0, _defineProperty3['default'])({}, _this.props.label, e.target.value), e);
      } else {
        _this.props.onChange(e.target.value, e);
      }

      _this.setState({ value: e.target.value });
    };

    _this.handleKeyDown = function (e) {
      var number = Number(e.target.value);
      if (!isNaN(number)) {
        var amount = _this.props.arrowOffset || 1;

        // Up
        if (e.keyCode === 38) {
          if (_this.props.label !== null) {
            _this.props.onChange((0, _defineProperty3['default'])({}, _this.props.label, number + amount), e);
          } else {
            _this.props.onChange(number + amount, e);
          }

          _this.setState({ value: number + amount });
        }

        // Down
        if (e.keyCode === 40) {
          if (_this.props.label !== null) {
            _this.props.onChange((0, _defineProperty3['default'])({}, _this.props.label, number - amount), e);
          } else {
            _this.props.onChange(number - amount, e);
          }

          _this.setState({ value: number - amount });
        }
      }
    };

    _this.handleDrag = function (e) {
      if (_this.props.dragLabel) {
        var newValue = Math.round(_this.props.value + e.movementX);
        if (newValue >= 0 && newValue <= _this.props.dragMax) {
          _this.props.onChange((0, _defineProperty3['default'])({}, _this.props.label, newValue), e);
        }
      }
    };

    _this.handleMouseDown = function (e) {
      if (_this.props.dragLabel) {
        e.preventDefault();
        _this.handleDrag(e);
        window.addEventListener('mousemove', _this.handleDrag);
        window.addEventListener('mouseup', _this.handleMouseUp);
      }
    };

    _this.handleMouseUp = function () {
      _this.unbindEventListeners();
    };

    _this.unbindEventListeners = function () {
      window.removeEventListener('mousemove', _this.handleDrag);
      window.removeEventListener('mouseup', _this.handleMouseUp);
    };

    _this.state = {
      value: String(props.value).toUpperCase(),
      blurValue: String(props.value).toUpperCase()
    };
    return _this;
  }

  (0, _createClass3['default'])(EditableInput, [{
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      var InputRefs = this.refs;
      if (nextProps.value !== this.state.value) {
        if (InputRefs.input === document.activeElement) {
          this.setState({ blurValue: String(nextProps.value).toUpperCase() });
        } else {
          this.setState({ value: String(nextProps.value).toUpperCase() });
        }
      }
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unbindEventListeners();
    }
  }, {
    key: 'render',
    value: function render() {
      var _this2 = this;

      var styles = (0, _reactcss2['default'])({
        'default': {
          wrap: {
            position: 'relative'
          }
        },
        'user-override': {
          wrap: this.props.style && this.props.style.wrap ? this.props.style.wrap : {},
          input: this.props.style && this.props.style.input ? this.props.style.input : {},
          label: this.props.style && this.props.style.label ? this.props.style.label : {}
        },
        'dragLabel-true': {
          label: {
            cursor: 'ew-resize'
          }
        }
      }, {
        'user-override': true
      }, this.props);

      return _react2['default'].createElement(
        'div',
        { style: styles.wrap },
        _react2['default'].createElement('input', {
          prefix: 'colorpicker-rgb',
          style: styles.input,
          ref: function ref(_ref) {
            return _this2.refs = _ref;
          },
          value: this.state.value,
          onKeyDown: this.handleKeyDown,
          onChange: this.handleChange,
          onBlur: this.handleBlur,
          placeholder: this.props.placeholder
        }),
        this.props.label ? _react2['default'].createElement(
          'span',
          { style: styles.label, onMouseDown: this.handleMouseDown },
          this.props.label
        ) : null
      );
    }
  }]);
  return EditableInput;
}(_react.Component);

exports['default'] = EditableInput;