react-network-diagrams
Version:
153 lines (120 loc) • 9.88 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Label = 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);
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.
*/
/**
* Gets an x, y, labelPosition, textAnchor and rotation and
* renders a label based on the position.
* The label can be a single string, or an array of strings
* to display on multiple lines.
*/
var Label = exports.Label = function (_React$Component) {
_inherits(Label, _React$Component);
function Label() {
_classCallCheck(this, Label);
return _possibleConstructorReturn(this, (Label.__proto__ || Object.getPrototypeOf(Label)).apply(this, arguments));
}
_createClass(Label, [{
key: "render",
value: function render() {
var _this2 = this;
var label = [];
if (!_underscore2.default.isArray(this.props.label)) {
label.push(this.props.label);
} else {
label = _underscore2.default.clone(this.props.label);
}
var elements = [];
var labelX = this.props.x;
var labelY = this.props.y;
var labelR = this.props.r;
var textAnchor = this.props.textAnchor ? this.props.textAnchor : "middle";
var rotate = "rotate(" + labelR + " " + labelX + ", " + labelY + ")";
var fontOffset = this.props.style.fontSize ? this.props.style.fontSize : 10;
var yOffset = this.props.yOffset;
var xOffset = this.props.xOffset;
if (this.props.labelPosition === "top" || this.props.labelPosition === "center") {
label.reverse();
}
var x = void 0;
var y = void 0;
var centerY = void 0;
if (this.props.labelPosition === "center") {
centerY = labelY + label.length / 2 * fontOffset;
}
_underscore2.default.each(label, function (line, lineIndex) {
x = labelX + xOffset;
switch (_this2.props.labelPosition) {
case "top":
y = labelY - yOffset - lineIndex * fontOffset;
break;
case "bottom":
y = labelY + yOffset + fontOffset + lineIndex * fontOffset;
break;
case "center":
y = centerY - yOffset - lineIndex * fontOffset;
break;
default:
break;
}
elements.push(_react2.default.createElement(
"tspan",
{ x: x, y: y, key: "label-line-" + lineIndex },
line
));
});
return _react2.default.createElement(
"g",
null,
_react2.default.createElement(
"text",
{
textAnchor: textAnchor,
style: this.props.style,
key: "connection-label",
transform: rotate,
className: this.props.labelClassed
},
elements
)
);
}
}]);
return Label;
}(_react2.default.Component);
Label.propTypes = {
r: _propTypes2.default.number,
/**
* Horizontal distance from the center line to offset the connection label.
*/
xOffset: _propTypes2.default.number,
/**
* Vertical distance from the center line to offset the connection label.
*/
yOffset: _propTypes2.default.number
};
Label.defaultProps = {
r: 0,
xOffset: 0,
yOffset: 0
};