react-network-diagrams
Version:
305 lines (258 loc) • 15.7 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.SquareEdge = 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 _propTypes = require("prop-types");
var _propTypes2 = _interopRequireDefault(_propTypes);
var _underscore = require("underscore");
var _underscore2 = _interopRequireDefault(_underscore);
var _Label = require("./Label");
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; } /**
* Copyright (c) 2018, The Regents of the University of California,
* through Lawrence Berkeley National Laboratory (subject to receipt
* of any required approvals from the U.S. Dept. of Energy).
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
/**
* This component draws a rectangle using the source and target to determine sizing and position. The
* source and target are specified as props 'x1', 'y1' and 'x2', 'y2'. Rounding is specified with the
* props roundedX and roundedY.
*
*
* The color and width of the rectangle may also be supplied.
*/
var SquareEdge = exports.SquareEdge = function (_React$Component) {
_inherits(SquareEdge, _React$Component);
function SquareEdge() {
_classCallCheck(this, SquareEdge);
return _possibleConstructorReturn(this, (SquareEdge.__proto__ || Object.getPrototypeOf(SquareEdge)).apply(this, arguments));
}
_createClass(SquareEdge, [{
key: "handleClick",
value: function handleClick(e) {
if (this.props.onSelectionChange) {
this.props.onSelectionChange("edge", this.props.name);
}
e.stopPropagation();
}
}, {
key: "_rotateOffset",
value: function _rotateOffset(cx, x, y, a) {
var r = Math.PI / 180 * a;
var cos = Math.cos(r);
var sin = Math.sin(r);
var nx = x - (x - cx) * cos;
var ny = y - (x - cx) * sin;
return [nx, ny];
}
}, {
key: "render",
value: function render() {
var _this2 = this;
var classed = "edge-square";
var labelClassed = "edge-label";
var styleModifier = "normal";
if (this.props.selected) {
classed += " selected";
labelClassed += "selected";
styleModifier = "selected";
}
if (this.props.muted) {
classed += " muted";
labelClassed += "muted";
styleModifier = "muted";
}
if (this.props.invisible) {
classed += " edge-event-region";
labelClassed += " edge-event-region";
}
if (!_underscore2.default.isUndefined(this.props.classed)) {
classed += " " + this.props.classed;
}
var height = this.props.size;
var fill = this.props.fillColor || "none";
var yCorner = this.props.y1 - this.props.size / 2;
if (this.props.selected) {
classed += " selected";
}
if (this.props.muted) {
classed += " muted";
}
if (this.props.invisible) {
classed += " edge-event-region";
}
if (!_underscore2.default.isUndefined(this.props.classed)) {
classed += " " + this.props.classed;
}
var opacity = 1.0;
if (this.props.invisible) {
opacity = 0.0;
} else if (this.props.muted) {
opacity = 0.3;
}
// find the length of an angled shape
var width = void 0;
if (this.props.y1 === this.props.y2) {
width = Math.abs(this.props.x2 - this.props.x1);
} else {
var l1 = Math.abs(this.props.y2 - this.props.y1);
var l2 = Math.abs(this.props.x2 - this.props.x1);
width = Math.sqrt(l1 * l1 + l2 * l2);
}
/* to draw a center line, find the center point, then offset
* the line to each side by 1/2 the height.
* Using the new x y, rotate the positive offset line by the
* same angle as the rest of the square, and the negative by
* the opposite angle
*/
// find the angle to rotate
var angle = Math.atan2(this.props.y2 - this.props.y1, this.props.x2 - this.props.x1) * 180 / Math.PI;
var rotate = "rotate(" + angle + " " + this.props.x1 + ", " + this.props.y1 + ")";
// find the center of the square
var centerX = (this.props.x1 + this.props.x2) / 2;
var centerY = (this.props.y1 + this.props.y2) / 2;
// find the offset position
var offset = centerX + height / 2;
// rotate the offsets
var rotatedOffset1 = this._rotateOffset(offset, centerX, centerY, angle + 90);
var rotatedOffset2 = this._rotateOffset(offset, centerX, centerY, angle - 90);
var rx1 = rotatedOffset1[0];
var ry1 = rotatedOffset1[1];
var rx2 = rotatedOffset2[0];
var ry2 = rotatedOffset2[1];
var path = "";
path += "M" + rx1 + "," + ry1;
path += " L " + rx2 + " " + ry2;
var cx = void 0;
var cy = void 0;
switch (this.props.labelPosition) {
case "top":
cx = rx2;
cy = ry2;
break;
case "bottom":
cx = rx1;
cy = ry1;
break;
default:
cx = centerX;
cy = centerY;
break;
}
var labelElement = null;
if (this.props.label) {
labelElement = _react2.default.createElement(_Label.Label, {
x: cx,
y: cy,
r: angle,
textAnchor: this.props.textAnchor,
classed: labelClassed,
style: this.props.labelStyle[styleModifier],
label: this.props.label,
xOffset: this.props.labelOffsetX,
yOffset: this.props.labelOffsetY,
labelPosition: this.props.labelPosition
});
}
if (!this.props.centerLine) {
return _react2.default.createElement(
"g",
null,
_react2.default.createElement(
"g",
{ strokeWidth: this.props.width, stroke: this.props.color, opacity: opacity },
_react2.default.createElement("rect", {
className: classed,
width: width,
height: height,
transform: rotate,
x: this.props.x1,
y: yCorner,
rx: this.props.roundedX,
ry: this.props.roundedY,
fill: fill,
onClick: function onClick(e) {
return _this2.handleClick(e);
}
})
),
labelElement
);
} else {
return _react2.default.createElement(
"g",
null,
_react2.default.createElement(
"g",
{
strokeWidth: this.props.width,
stroke: this.props.color,
opacity: opacity,
onClick: function onClick(e) {
return _this2.handleClick(e);
}
},
_react2.default.createElement("rect", {
className: classed,
width: width,
height: height,
transform: rotate,
x: this.props.x1,
y: yCorner,
rx: this.props.roundedX,
ry: this.props.roundedY,
fill: fill
}),
_react2.default.createElement("path", { className: classed, d: path, fill: "none" })
),
labelElement
);
}
}
}]);
return SquareEdge;
}(_react2.default.Component);
SquareEdge.propTypes = {
/** When the endpoint shape is a `square`, this controls the radius of corners */
roundedX: _propTypes2.default.number,
/** When the endpoint shape is a `square`, this controls the radius of corners */
roundedY: _propTypes2.default.number,
color: _propTypes2.default.string,
/**
* Controls the angle of the offset from the center of the line.
*/
position: _propTypes2.default.number,
/**
* Boolean value that controls if a directional arrow is drawn instead of line-caps.
* When arrow is set to "true", the vector between x1, y1 and x2, y2 will have the
* Line-caps replaced with a directional arrow. Arrowheads can be sized using the
* arrowWidth and arrowHeight property.
*/
arrow: _propTypes2.default.bool,
/** Display the endpoint selected */
selected: _propTypes2.default.bool,
/** Display the endpoint muted */
muted: _propTypes2.default.bool,
/** Controls the size of the square */
size: _propTypes2.default.number
};
SquareEdge.defaultProps = {
roundedX: 0,
roundedY: 0,
color: "#ddd",
position: 0,
arrow: false,
selected: false,
muted: false,
size: 40
};