core-graphics
Version:
A core library for creating shape-based graphic editors
217 lines (178 loc) • 8.93 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; };
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 _declarations = require('../declarations');
var _arrow = require('../icons/arrow');
var _arrow2 = _interopRequireDefault(_arrow);
var _boundingBox = require('../utils/bounding-box');
var _math = require('../utils/math');
var _editorEvents = require('../editor-state/editor-events');
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 ARROW_SIZE = 40;
function getViewportBB(params) {
var viewport = params.viewport;
var viewportWidth = params.viewportWidth;
var viewportHeight = params.viewportHeight;
var x = viewport.x;
var y = viewport.y;
return {
width: viewportWidth,
height: viewportHeight,
x1: x, y1: y,
x2: x + viewportWidth,
y2: y + viewportHeight
};
}
function getArrowPoint(params) {
// get min point
var viewportBB = (0, _boundingBox.padBBEqual)(-ARROW_SIZE / 2, params.viewportBB);
var shapesBBs = params.shapesBBs;
var bbCenters = shapesBBs.map(_boundingBox.getBBCenter);
var viewportCenter = (0, _boundingBox.getBBCenter)(viewportBB);
return (0, _math.getClosestPoint)(bbCenters, viewportCenter);
}
function _getArrowParams(params) {
var viewportBB = (0, _boundingBox.padBBEqual)(-ARROW_SIZE / 2, params.viewportBB);
var viewportCenter = (0, _boundingBox.getBBCenter)(viewportBB);
var minPoint = getArrowPoint(params);
// align arrow
var scx = viewportCenter.x;
var scy = viewportCenter.y;
var vcx = minPoint.x;
var vcy = minPoint.y;
var dp = {
x: vcx - scx,
y: vcy - scy
};
var angle = Math.atan2(dp.y, dp.x) * (180 / Math.PI);
var maxX = viewportBB.width / 2;
var maxY = viewportBB.height / 2;
var dpImage = {
x: dp.x / maxX,
y: dp.y / maxY
};
var dpNormalized = (0, _math.manhattanNormalizeV)(dpImage);
var np = {
x: dpNormalized.x * maxX,
y: dpNormalized.y * maxY
};
return {
x: viewportBB.width / 2 + np.x,
y: viewportBB.height / 2 + np.y,
angle: angle
};
}
var HelperArrowRenderer = function (_React$Component) {
_inherits(HelperArrowRenderer, _React$Component);
function HelperArrowRenderer() {
_classCallCheck(this, HelperArrowRenderer);
return _possibleConstructorReturn(this, Object.getPrototypeOf(HelperArrowRenderer).apply(this, arguments));
}
_createClass(HelperArrowRenderer, [{
key: 'getBBs',
value: function getBBs() {
var _props = this.props;
var scene = _props.scene;
var shapesDeclarations = _props.shapesDeclarations;
var viewport = _props.viewport;
var viewportWidth = _props.viewportWidth;
var viewportHeight = _props.viewportHeight;
var viewportBB = getViewportBB({ viewport: viewport, viewportWidth: viewportWidth, viewportHeight: viewportHeight });
var shapesBBs = (0, _boundingBox.getShapesBoundingBoxes)({ shapesDeclarations: shapesDeclarations, shapes: scene.shapes, ids: scene.shapesOrder }).map(function (indexedBB) {
return indexedBB.bb;
});
return { viewportBB: viewportBB, shapesBBs: shapesBBs };
}
}, {
key: 'showArrow',
value: function showArrow() {
var _this2 = this;
var _props2 = this.props;
var scene = _props2.scene;
var mode = _props2.mode;
if ((0, _declarations.isMovingViewportMode)(mode) && scene.shapesOrder.length > 0) {
var _ret = function () {
var _getBBs = _this2.getBBs();
var viewportBB = _getBBs.viewportBB;
var shapesBBs = _getBBs.shapesBBs;
// TODO optimize
var noShapesVisible = shapesBBs.map(function (bb) {
return !(0, _boundingBox.doBoundingBoxesCollide)(bb, viewportBB);
}).reduce(function (a, b) {
return a && b;
}, true);
return {
v: noShapesVisible
};
}();
if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
}
return false;
}
}, {
key: 'getArrowParams',
value: function getArrowParams() {
return _getArrowParams(this.getBBs());
}
}, {
key: 'navigateToArrow',
value: function navigateToArrow() {
var _props3 = this.props;
var viewportWidth = _props3.viewportWidth;
var viewportHeight = _props3.viewportHeight;
var onEditorEvent = _props3.onEditorEvent;
var _getArrowPoint = getArrowPoint(this.getBBs());
var x = _getArrowPoint.x;
var y = _getArrowPoint.y;
var nextViewport = {
x: Math.round(x - viewportWidth / 2),
y: Math.round(y - viewportHeight / 2)
};
onEditorEvent((0, _editorEvents.setViewport)(nextViewport));
}
}, {
key: 'render',
value: function render() {
var _this3 = this;
if (!this.showArrow()) {
return null;
}
var _getArrowParams2 = this.getArrowParams();
var x = _getArrowParams2.x;
var y = _getArrowParams2.y;
var angle = _getArrowParams2.angle;
return React.createElement(
'g',
{ transform: 'translate(' + (x + ARROW_SIZE / 2) + ', ' + (y + ARROW_SIZE / 2) + ')' },
React.createElement(
'style',
null,
'\n .core_graphics__arrow path{ fill: #aaa; }\n .core_graphics__arrow:hover path{ fill: #666; }\n '
),
React.createElement(
'g',
{ className: 'core_graphics__arrow' },
React.createElement(
'g',
{ transform: 'rotate(' + (angle + 90) + ' 0 0) translate(-8 -8)' },
React.createElement(_arrow2.default, null)
),
React.createElement('rect', { onClick: function onClick() {
return _this3.navigateToArrow();
}, style: { cursor: 'pointer!important' }, x: -ARROW_SIZE / 2, y: -ARROW_SIZE / 2, height: ARROW_SIZE, width: ARROW_SIZE, fill: 'transparent' })
)
);
}
}]);
return HelperArrowRenderer;
}(React.Component);
exports.default = HelperArrowRenderer;