react-mapping
Version:
A react library for projection mapping
145 lines • 6.62 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
var React = require("react");
var anchor_1 = require("./anchor");
var util_1 = require("./util");
var styles = {
container: {
position: 'relative'
}
};
var anchors = [
'top-left',
'top-right',
'bottom-right',
'bottom-left',
];
var defaultMatrix = [
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1 // second and third for x and y position of element
];
var Layer = /** @class */ (function (_super) {
__extends(Layer, _super);
function Layer() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.isAnchorDragging = false;
_this.state = {
matrix: defaultMatrix,
translateDelta: anchors.reduce(function (acc, key) { return (acc[key] = [0, 0], acc); }, {}),
sourcePoints: undefined,
transformOrigin: [0, 0],
containerTranslate: [_this.props.x || 0, _this.props.y || 0]
};
_this.onAnchorMouseDown = function (evt, position) {
evt.stopPropagation();
_this.anchorTranslateDelta = [
evt.pageX - _this.state.translateDelta[position][0],
evt.pageY - _this.state.translateDelta[position][1]
];
_this.anchorMoving = position;
};
_this.onAnchorMouseMove = function (evt) {
if (!_this.anchorTranslateDelta || !_this.state.sourcePoints || !_this.anchorMoving) {
return;
}
evt.preventDefault();
evt.stopPropagation();
var vectorIndexToModify = anchors.indexOf(_this.anchorMoving);
var deltaX = (evt.pageX - _this.anchorTranslateDelta[0]);
var deltaY = (evt.pageY - _this.anchorTranslateDelta[1]);
_this.targetPoints[vectorIndexToModify] = [
_this.state.sourcePoints[vectorIndexToModify][0] + deltaX,
_this.state.sourcePoints[vectorIndexToModify][1] + deltaY
];
_this.setState({
matrix: util_1.transformPointsToMatrix(_this.state.sourcePoints, _this.targetPoints),
translateDelta: __assign({}, _this.state.translateDelta, (_a = {}, _a[_this.anchorMoving] = [deltaX, deltaY], _a))
});
var _a;
};
_this.onAnchorMouseUp = function (position) {
_this.anchorTranslateDelta = undefined;
_this.anchorMoving = undefined;
};
_this.onMouseUp = function () {
_this.layerTranslateDelta = undefined;
};
_this.onMouseMove = function (evt) {
if (!_this.layerTranslateDelta || !_this.props.isEditMode) {
return;
}
var newVector = [
evt.pageX - _this.layerTranslateDelta[0],
evt.pageY - _this.layerTranslateDelta[1]
];
_this.setState({
containerTranslate: newVector
});
};
_this.onMouseDown = function (evt) {
var containerTranslate = _this.state.containerTranslate;
_this.layerTranslateDelta = [evt.pageX - containerTranslate[0], evt.pageY - containerTranslate[1]];
};
return _this;
}
Layer.prototype.componentWillMount = function () {
window.addEventListener('mousemove', this.onAnchorMouseMove);
window.addEventListener('mousemove', this.onMouseMove);
};
Layer.prototype.componentDidMount = function () {
if (this.container) {
var _a = this.container.getBoundingClientRect(), width = _a.width, height = _a.height;
var sourcePoints = [
[0, 0],
[width, 0],
[width, height],
[0, height]
];
this.targetPoints = sourcePoints.slice();
this.setState({ sourcePoints: sourcePoints });
}
else {
throw new Error('Couldn\'t get a reference of the container element');
}
};
Layer.prototype.componentWillUnmount = function () {
window.removeEventListener('mousemove', this.onAnchorMouseMove);
window.removeEventListener('mousemove', this.onMouseMove);
};
Layer.prototype.render = function () {
var _this = this;
var _a = this.props, style = _a.style, isEditMode = _a.isEditMode, className = _a.className, anchorStyle = _a.anchorStyle, anchorClassName = _a.anchorClassName;
var _b = this.state, translateDelta = _b.translateDelta, matrix = _b.matrix, containerTranslate = _b.containerTranslate, transformOrigin = _b.transformOrigin;
return (React.createElement("div", { onMouseDown: this.onMouseDown, onMouseUp: this.onMouseUp, style: {
cursor: isEditMode ? 'all-scroll' : 'inherit',
position: 'relative',
display: 'inline-block',
transform: util_1.vectorToTransform(containerTranslate)
} },
React.createElement("div", { ref: function (ref) { _this.container = ref; }, style: __assign({}, styles.container, style, { pointerEvents: isEditMode ? 'none' : 'all', transform: util_1.matrixToTransform(matrix), transformOrigin: transformOrigin[0] + "px " + transformOrigin[1] + "px 0px" }), className: className }, this.props.children),
isEditMode && React.createElement("div", null, anchors.map(function (anchor, index) { return (React.createElement(anchor_1.AnchorComponent, { style: anchorStyle, className: anchorClassName, key: anchor, translation: translateDelta[anchor], position: anchor, onMouseDown: _this.onAnchorMouseDown, onMouseUp: _this.onAnchorMouseUp })); }))));
};
return Layer;
}(React.Component));
exports.Layer = Layer;
//# sourceMappingURL=layer.js.map