@symblight/react-stockcharts
Version:
Highly customizable stock charts with ReactJS and d3
212 lines (171 loc) • 8.67 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
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 _propTypes = require("prop-types");
var _propTypes2 = _interopRequireDefault(_propTypes);
var _GenericChartComponent = require("../../GenericChartComponent");
var _GenericChartComponent2 = _interopRequireDefault(_GenericChartComponent);
var _GenericComponent = require("../../GenericComponent");
var _utils = require("../../utils");
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 BackgroundHover = function (_Component) {
_inherits(BackgroundHover, _Component);
function BackgroundHover(props) {
_classCallCheck(this, BackgroundHover);
var _this = _possibleConstructorReturn(this, (BackgroundHover.__proto__ || Object.getPrototypeOf(BackgroundHover)).call(this, props));
_this.saveNode = _this.saveNode.bind(_this);
_this.renderSVG = _this.renderSVG.bind(_this);
_this.drawOnCanvas = _this.drawOnCanvas.bind(_this);
_this.isHover = _this.isHover.bind(_this);
return _this;
}
_createClass(BackgroundHover, [{
key: "saveNode",
value: function saveNode(node) {
this.node = node;
}
}, {
key: "isHover",
value: function isHover(moreProps) {
var _helper = helper(this.props, moreProps),
rect = _helper.rect;
var _moreProps$mouseXY = _slicedToArray(moreProps.mouseXY, 2),
x = _moreProps$mouseXY[0],
y = _moreProps$mouseXY[1];
if (x >= rect.x && y >= rect.y && x <= rect.x + rect.width && y <= rect.y + rect.height) {
return true;
}
return false;
}
}, {
key: "drawOnCanvas",
value: function drawOnCanvas(ctx, moreProps) {
var _props = this.props,
width = _props.width,
height = _props.height;
var _helper2 = helper(this.props, moreProps),
rect = _helper2.rect;
ctx.globalCompositeOperation = "destination-over";
ctx.fillStyle = (0, _utils.hexToRGBA)("#74b9ff", 0.3);
ctx.beginPath();
ctx.fillRect(rect.x, rect.y, width, height);
ctx.setTransform(1, 1, 1, 1, 1, 0);
ctx.beginPath();
ctx.restore();
}
}, {
key: "renderSVG",
value: function renderSVG(moreProps, e) {
var _props2 = this.props,
cx = _props2.cx,
cy = _props2.cy,
width = _props2.width,
onHover = _props2.onHover,
onUnHover = _props2.onUnHover,
height = _props2.height,
fill = _props2.fill;
return _react2.default.createElement(
"g",
null,
_react2.default.createElement("rect", {
fill: "#e2e2e2",
x: cx,
y: cy,
width: width,
height: height,
onMouseMove: function onMouseMove() {
onHover(_extends({}, moreProps, { hovering: true, show: true }), e);
},
onMouseEnter: function onMouseEnter() {
onHover(_extends({}, moreProps, { hovering: true, show: true }), e);
},
onMouseLeave: function onMouseLeave() {
onUnHover(moreProps, e);
}
})
);
}
}, {
key: "render",
value: function render() {
var interactiveCursorClass = this.props.interactiveCursorClass;
var show = this.props.show;
var _props3 = this.props,
onDragStart = _props3.onDragStart,
onDrag = _props3.onDrag,
onDragComplete = _props3.onDragComplete;
return show ? _react2.default.createElement(_GenericChartComponent2.default, {
ref: this.saveNode,
interactiveCursorClass: interactiveCursorClass,
selected: true,
isHover: this.isHover,
onDragStart: onDragStart,
onDrag: onDrag,
onDragComplete: onDragComplete,
svgDraw: this.renderSVG,
canvasDraw: this.drawOnCanvas,
canvasToDraw: _GenericComponent.getMouseCanvas,
drawOn: ["pan", "mousemove", "drag"]
}) : null;
}
}]);
return BackgroundHover;
}(_react.Component);
function helper(props, moreProps) {
var position = props.position,
width = props.width,
height = props.height;
var xScale = moreProps.xScale,
yScale = moreProps.chartConfig.yScale;
var _position = _slicedToArray(position, 2),
xValue = _position[0],
yValue = _position[1];
var x = xScale(xValue) - width / 2;
var y = yScale(yValue) - height / 2;
var rect = {
x: x,
y: y,
width: width,
height: height
};
return {
x: x,
y: y,
rect: rect
};
}
BackgroundHover.propTypes = {
onDragStart: _propTypes2.default.func.isRequired,
onDrag: _propTypes2.default.func.isRequired,
onDragComplete: _propTypes2.default.func.isRequired,
fill: _propTypes2.default.string.isRequired,
cx: _propTypes2.default.number,
cy: _propTypes2.default.number,
className: _propTypes2.default.string.isRequired,
show: _propTypes2.default.bool.isRequired,
strokeOpacity: _propTypes2.default.number.isRequired,
fillOpacity: _propTypes2.default.number.isRequired,
interactiveCursorClass: _propTypes2.default.string
};
BackgroundHover.defaultProps = {
className: "react-stockcharts-interactive-line-edge",
onDragStart: _utils.noop,
onDrag: _utils.noop,
onDragComplete: _utils.noop,
onMove: _utils.noop,
show: false,
fillOpacity: 1,
strokeOpacity: 1,
fill: "#74b9ff"
};
exports.default = BackgroundHover;
//# sourceMappingURL=BackgroundHover.js.map