core-graphics/lib/helpers/shapes.js

A core library for creating shape-based graphic editors

'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; }; }();

exports.wrapInShapeHelpers = wrapInShapeHelpers;

var _react = require('react');

var React = _interopRequireWildcard(_react);

var _modes = require('../declarations/modes');

var _editorEvents = require('../editor-state/editor-events');

var _modes2 = require('./modes');

var _data = require('../utils/data');

var _events = require('../utils/events');

var _shallowequal = require('shallowequal');

var _shallowequal2 = _interopRequireDefault(_shallowequal);

var _icepick = require('icepick');

var i = _interopRequireWildcard(_icepick);

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

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

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 onShapeMouseDown = function onShapeMouseDown(onEditorEvent, id) {
    return function (e) {
        return onEditorEvent((0, _editorEvents.canvasShapeMouseDown)({ button: (0, _events.getMouseEventButton)(e), id: id }));
    };
};
var onShapeMouseUp = function onShapeMouseUp(onEditorEvent, id) {
    return function (e) {
        return onEditorEvent((0, _editorEvents.canvasShapeMouseUp)({ button: (0, _events.getMouseEventButton)(e), id: id }));
    };
};
function getWrapperProps(props) {
    var mode = props.mode;
    var shapeData = props.shapeData;
    // mode state

    var modeInfo = (0, _modes2.getVerboseModeInfo)(mode);
    var selectedShapes = modeInfo.selectedShapes;
    var selectedShapesIds = modeInfo.selectedShapesIds;
    var rubberBandSelectedShapesIds = modeInfo.rubberBandSelectedShapesIds;
    var subSelectedShape = modeInfo.subSelectedShape;
    var subSelectedShapeId = modeInfo.subSelectedShapeId;
    var drawingShape = modeInfo.drawingShape;
    var drawnShapeId = modeInfo.drawnShapeId;
    var transformingShapes = modeInfo.transformingShapes;
    var transformedShapesIds = modeInfo.transformedShapesIds;
    var id = shapeData.id;

    var selected = selectedShapes && (0, _data.hasInArr)(id, selectedShapesIds);
    var onlySelected = selected && selectedShapesIds.length === 1;
    var beingSelectedWithRubberBand = (0, _modes.isRubberBandSelectionMode)(mode) && (0, _data.hasInArr)(id, rubberBandSelectedShapesIds);
    var subSelected = subSelectedShape && subSelectedShapeId === id;
    var beingDrawn = drawingShape && drawnShapeId === id;
    var transformed = transformingShapes && (0, _data.hasInArr)(id, transformedShapesIds);
    return {
        selected: selected,
        onlySelected: onlySelected,
        beingSelectedWithRubberBand: beingSelectedWithRubberBand,
        subSelected: subSelected,
        beingDrawn: beingDrawn,
        transformed: transformed,
        shapeData: shapeData
    };
}

var WrappedComponentClassInstance = function (_React$Component) {
    _inherits(WrappedComponentClassInstance, _React$Component);

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

        return _possibleConstructorReturn(this, Object.getPrototypeOf(WrappedComponentClassInstance).apply(this, arguments));
    }

    return WrappedComponentClassInstance;
}(React.Component);
// wraps shape component, providing optimized updates and useful props


function wrapInShapeHelpers(comp) {
    return _a = function (_React$Component2) {
        _inherits(WrappedInShapeHelpers, _React$Component2);

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

            return _possibleConstructorReturn(this, Object.getPrototypeOf(WrappedInShapeHelpers).apply(this, arguments));
        }

        _createClass(WrappedInShapeHelpers, [{
            key: 'shouldComponentUpdate',
            value: function shouldComponentUpdate(nextProps) {
                var wrappedNext = getWrapperProps(nextProps);
                var wrappedCurr = getWrapperProps(this.props);
                return !(0, _shallowequal2.default)(wrappedNext, wrappedCurr);
            }
        }, {
            key: 'render',
            value: function render() {
                var onEditorEvent = this.props.onEditorEvent;
                var id = this.props.shapeData.id;

                var wrapperProps = getWrapperProps(this.props);
                // shapes events
                var onMouseDown = onShapeMouseDown(onEditorEvent, id);
                var onMouseUp = onShapeMouseUp(onEditorEvent, id);
                var newProps = i.assign(wrapperProps, { onMouseDown: onMouseDown, onMouseUp: onMouseUp, onEditorEvent: onEditorEvent });
                return React.createElement(comp, newProps);
            }
        }]);

        return WrappedInShapeHelpers;
    }(React.Component), _a.displayName = 'WrappedInShapeHelpers', _a;
    var _a;
}