react-lacona/lib/input.js

React Component to provide a friendly interface for lacona

'use strict';

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

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 _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _reactDom = require('react-dom');

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

var Input = exports.Input = function (_React$Component) {
  _inherits(Input, _React$Component);

  function Input() {
    _classCallCheck(this, Input);

    return _possibleConstructorReturn(this, (Input.__proto__ || Object.getPrototypeOf(Input)).apply(this, arguments));
  }

  _createClass(Input, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      if (this.props.autoFocus) {
        (0, _reactDom.findDOMNode)(this).focus();
      }
    }
  }, {
    key: 'change',
    value: function change(e) {
      this.props.update(e.target.value);
    }
  }, {
    key: 'focus',
    value: function focus() {
      (0, _reactDom.findDOMNode)(this.refs.input).focus();
    }
  }, {
    key: 'focusEnd',
    value: function focusEnd() {
      var elem = (0, _reactDom.findDOMNode)(this.refs.input);
      var pos = this.props.userInput.length;

      if (elem.createTextRange) {
        var range = elem.createTextRange();
        range.move('character', pos);
        range.select();
      } else {
        if (elem.selectionStart) {
          elem.focus();
          elem.setSelectionRange(pos, pos);
        } else {
          elem.focus();
        }
      }
      elem.scrollLeft = elem.scrollWidth; //just pretty big
    }
  }, {
    key: 'blur',
    value: function blur() {
      (0, _reactDom.findDOMNode)(this.refs.input).blur();
    }
  }, {
    key: 'keyDown',
    value: function keyDown(e) {
      if (e.keyCode === 9) {
        // tab
        this.props.completeSelection();
      } else if (!e.shiftKey && !e.metaKey && !e.altKey && !e.ctrlKey && e.keyCode === 38 || !e.shiftKey && !e.metaKey && !e.altKey && e.ctrlKey && e.keyCode === 75) {
        // up or ^k
        this.props.moveSelection(-1);
      } else if (!e.shiftKey && !e.metaKey && !e.altKey && !e.ctrlKey && e.keyCode === 40 || !e.shiftKey && !e.metaKey && !e.altKey && e.ctrlKey && e.keyCode === 74) {
        //down or ^j
        this.props.moveSelection(1);
      } else if (e.keyCode === 13) {
        // return
        this.props.execute();
      } else if (e.keyCode === 27) {
        // escape
        this.props.cancel();
      } else if (!e.shiftKey && !e.metaKey && !e.altKey && !e.ctrlKey && e.keyCode === 39 || !e.shiftKey && !e.metaKey && !e.altKey && e.ctrlKey && e.keyCode === 76) {
        //right or ^l
        var node = (0, _reactDom.findDOMNode)(this.refs.input);
        if (node.selectionStart === node.selectionEnd && node.selectionStart === this.props.userInput.length) {
          this.props.completeSelection();
        } else {
          if (node.selectionStart === node.selectionEnd) {
            node.setSelectionRange(node.selectionStart + 1, node.selectionStart + 1);
          } else {
            node.setSelectionRange(node.selectionEnd, node.selectionEnd);
          }
        }
      } else if (!e.shiftKey && !e.metaKey && !e.altKey && !e.ctrlKey && e.keyCode === 37 || !e.shiftKey && !e.metaKey && !e.altKey && e.ctrlKey && e.keyCode === 72) {
        //left or ^h
        var _node = (0, _reactDom.findDOMNode)(this.refs.input);
        if (_node.selectionStart === _node.selectionEnd && _node.selectionStart >= 1) {
          _node.setSelectionRange(_node.selectionStart - 1, _node.selectionStart - 1);
        } else {
          _node.setSelectionRange(_node.selectionStart, _node.selectionStart);
        }
      } else if (e.keyCode >= 49 && e.keyCode <= 57 && (this.props.selectKey === 'ctrl' && !e.altKey && !e.metaKey && e.ctrlKey || this.props.selectKey === 'alt' && e.altKey && !e.metaKey && !e.ctrlKey || this.props.selectKey === 'cmd' && !e.altKey && e.metaKey && !e.ctrlKey)) {
        this.props.execute(e.keyCode - 49);
      } else {
        return;
      }
      e.preventDefault();
      e.stopPropagation();
    }
  }, {
    key: 'render',
    value: function render() {
      return _react2.default.createElement('input', {
        type: 'text',
        className: 'input ' + (this.props.empty ? 'empty' : ''),
        ref: 'input',
        tabIndex: this.props.tabIndex,
        autoCorrect: false,
        spellCheck: false,
        autoCapitalize: false,
        value: this.props.userInput,
        onChange: this.change.bind(this),
        onKeyDown: this.keyDown.bind(this),
        onFocus: this.props.onFocus,
        onBlur: this.props.onBlur,
        placeholder: this.props.placeholder });
    }
  }]);

  return Input;
}(_react2.default.Component);