core-graphics/lib/renderer/scene-resize-handles.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; }; }();

var _react = require('react');

var React = _interopRequireWildcard(_react);

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

var _declarations = require('../declarations');

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

var _boundingBox = require('../utils/bounding-box');

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

var _resizeHandle = require('./resize-handle');

var _resizeHandle2 = _interopRequireDefault(_resizeHandle);

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 HANDLES_OFFSET = 3;

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

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

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

    _createClass(SceneResizeHandles, [{
        key: 'getBB',
        value: function getBB() {
            var _props = this.props;
            var mode = _props.mode;
            var shapesDeclarations = _props.shapesDeclarations;
            var scene = _props.scene;

            return (0, _boundingBox.getSelectedOrTransformedShapesBoundingBox)({ mode: mode, shapesDeclarations: shapesDeclarations, scene: scene });
        }
    }, {
        key: 'getHandles',
        value: function getHandles() {
            var mode = this.props.mode;

            if ((0, _modes.hasSelectedShapes)(mode) && (0, _modes.getSelectedShapesIds)(mode).length === 1) {
                var _props2 = this.props;
                var shapesDeclarations = _props2.shapesDeclarations;
                var scene = _props2.scene;

                var id = (0, _modes.getSelectedShapesIds)(mode)[0];
                var shapeType = scene.shapes[id].type;
                var declaration = shapesDeclarations[shapeType];
                return declaration && declaration.resizeHandles || _declarations.DEFAULT_RESIZE_HANDLES;
            }
            return _declarations.DEFAULT_RESIZE_HANDLES;
        }
    }, {
        key: 'getResizeHandlesCoords',
        value: function getResizeHandlesCoords() {
            var bb = this.getBB();
            var handles = this.getHandles();
            return (0, _boundingBox.getShapesResizeHandlesCoords)({ bb: bb, offset: HANDLES_OFFSET, handles: handles });
        }
    }, {
        key: 'handleResizeHandleMouseDown',
        value: function handleResizeHandleMouseDown(e, handle) {
            e.preventDefault();
            var button = (0, _events.getMouseEventButton)(e);
            var ev = (0, _editorEvents.canvasShapeResizeHandleMouseDown)({ handle: handle, button: button });
            this.props.onEditorEvent(ev);
        }
    }, {
        key: 'handleResizeHandleMouseUp',
        value: function handleResizeHandleMouseUp(e, handle) {
            e.preventDefault();
            var button = (0, _events.getMouseEventButton)(e);
            var ev = (0, _editorEvents.canvasShapeResizeHandleMouseUp)({ handle: handle, button: button });
            this.props.onEditorEvent(ev);
        }
    }, {
        key: 'render',
        value: function render() {
            var _this2 = this;

            var mode = this.props.mode;

            if (!(0, _declarations.isSelectedMode)(mode)) {
                return null;
            } else {
                return React.createElement(
                    'g',
                    null,
                    this.getResizeHandlesCoords().map(function (wrappedHandle, index) {
                        var x = wrappedHandle.x;
                        var y = wrappedHandle.y;
                        var handle = wrappedHandle.handle;
                        var cursor = handle.cursor;

                        return React.createElement(_resizeHandle2.default, { key: index, x: x, y: y, cursor: cursor, onMouseDown: function onMouseDown(e) {
                                return _this2.handleResizeHandleMouseDown(e, handle);
                            }, onMouseUp: function onMouseUp(e) {
                                return _this2.handleResizeHandleMouseUp(e, handle);
                            } });
                    })
                );
            }
        }
    }]);

    return SceneResizeHandles;
}(React.Component);

exports.default = SceneResizeHandles;