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wrapchart.js
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wrapchart.js
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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
function wrapChart(targetElementSelector, bodyImageURL, xAxisTopImageURL, xAxisBottomImageURL, yAxisLeftImageURL, yAxisRightImageURL, panConstraint) {
return __awaiter(this, void 0, void 0, function () {
function add(imgSrc, horizontal, vertical) {
return __awaiter(this, void 0, void 0, function () {
var _a, width, height;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, new Promise(function (resolve, reject) {
if (imgSrc) {
var img = document.createElement('img');
img.onload = function () {
resolve({ width: img.width, height: img.height });
img.remove();
};
img.src = imgSrc;
}
else
resolve({ width: 0, height: 0 });
})];
case 1:
_a = _b.sent(), width = _a.width, height = _a.height;
return [2 /*return*/, new Wrappable(imgSrc, width, height, horizontal, vertical)];
}
});
});
}
function makeDraggable(s, start, drag) {
var dragging = false;
var touchid = -1;
s.onmousedown = function (e) { dragging = true; start(e.offsetX, e.offsetY); };
s.onmousemove = function (e) { return dragging && drag(e.offsetX, e.offsetY); };
s.ontouchstart = function (e) {
e.preventDefault();
var touch = e.changedTouches[0];
touchid = touch.identifier;
start(touch.clientX, touch.clientY);
};
s.ontouchmove = function (e) {
e.preventDefault();
var touch = null;
for (var i = 0; i < e.touches.length; i++) {
if (e.touches[i].identifier === touchid)
touch = e.touches[i];
}
if (touch) {
drag(touch.clientX, touch.clientY);
}
};
s.ontouchend = s.ontouchcancel = function (e) { return touchid = -1; };
s.onmouseout = s.onmouseup = function (e) { return dragging = false; };
}
var element, Wrappable, connect, promises, top, left, body, right, bottom;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
element = document.getElementById(targetElementSelector);
if (!element)
return [2 /*return*/];
Wrappable = /** @class */ (function () {
function Wrappable(imageSrc, width, height, horizontal, vertical) {
var _this = this;
this.width = width;
this.height = height;
this.horizontal = horizontal;
this.vertical = vertical;
this.svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
this.svg.style.position = 'absolute';
this.svg.style.cursor = horizontal && !vertical ? 'ew-resize'
: vertical && !horizontal ? 'ns-resize'
: panConstraint == 'horizontal' ? 'ew-resize'
: panConstraint == 'vertical' ? 'ns-resize'
: panConstraint == 'diagonal' ? 'nwse-resize'
: panConstraint == 'antidiagonal' ? 'nesw-resize'
: 'all-scroll';
this.svg.setAttribute('viewBox', "0 0 " + width + " " + height);
this.svg.setAttribute('width', String(width));
this.svg.setAttribute('height', String(height));
makeDraggable(this.svg, function (x, y) { return _this.startDraggers.forEach(function (f) { return f(x, y); }); }, function (x, y) { return _this.doDraggers.forEach(function (f) { return f(_this, x, y); }); });
element.appendChild(this.svg);
var offsets = [];
var images = [];
for (var j = 0; j < 3; j++) {
for (var i = 0; i < 3; i++) {
var img = document.createElementNS('http://www.w3.org/2000/svg', 'image');
if (imageSrc)
img.setAttribute('href', imageSrc);
img.setAttribute('width', String(width));
img.setAttribute('height', String(height));
img.setAttribute('x', String(-width + i * width));
img.setAttribute('y', String(-height + j * height));
img.setAttribute('visibility', 'visible');
this.svg.appendChild(img);
images.push(img);
offsets.push({ x: 0, y: 0 });
}
}
this.startDraggers = [function (x, y) {
return images.forEach(function (img, i) {
var diagonal = (x + y) / 2; // scalar projection of x and y on diagonal vector (1,1)
var _a = panConstraint === "diagonal" ? [(x + y) / 2, (x + y) / 2] : panConstraint === "antidiagonal" ? [-(y - x) / 2, (y - x) / 2] : [x, y], ox = _a[0], oy = _a[1];
offsets[i].x = ox - Number(img.getAttribute('x'));
offsets[i].y = oy - Number(img.getAttribute('y'));
});
}
];
this.doDraggers = [function (s, ex, ey) {
return images.forEach(function (img, i) {
var wrap = function (v, d) { return v < -d ? v + 3 * d : v > d ? v - 3 * d : v; };
if (!panConstraint || panConstraint === "horizontal" || panConstraint === "vertical") {
var x = wrap(ex - offsets[i].x, width), y = wrap(ey - offsets[i].y, height);
if (_this.horizontal && s.horizontal && panConstraint !== "vertical")
img.setAttribute('x', String(x));
if (_this.vertical && s.vertical && panConstraint !== "horizontal")
img.setAttribute('y', String(y));
}
else if (panConstraint === 'diagonal') { // diagonal takes only the projection of the drag on the diagonal vector (1,1)
var x = wrap((ex + ey) / 2 - offsets[i].x, width), y = wrap((ex + ey) / 2 - offsets[i].y, height);
if (_this.horizontal)
img.setAttribute('x', String(x));
if (_this.vertical)
img.setAttribute('y', String(y));
}
else { // antidiagonal, project on (-1,1)
var x = wrap(-(ey - ex) / 2 - offsets[i].x, width), y = wrap((ey - ex) / 2 - offsets[i].y, height);
if (_this.horizontal)
img.setAttribute('x', String(x));
if (_this.vertical)
img.setAttribute('y', String(y));
}
});
}];
}
Wrappable.prototype.connect = function (b) {
this.startDraggers.push(b.startDraggers[0]);
this.doDraggers.push(b.doDraggers[0]);
};
Wrappable.prototype.left = function (value) {
this.svg.style.left = String(value + 'px');
};
Wrappable.prototype.top = function (value) {
this.svg.style.top = String(value + 'px');
};
return Wrappable;
}());
connect = function (a, b) {
a.connect(b);
b.connect(a);
};
promises = {
top: add(xAxisTopImageURL, true, false),
left: add(yAxisLeftImageURL, false, true),
body: add(bodyImageURL, true, true),
right: add(yAxisRightImageURL, false, true),
bottom: add(xAxisBottomImageURL, true, false)
};
return [4 /*yield*/, promises.top];
case 1:
top = _a.sent();
return [4 /*yield*/, promises.left];
case 2:
left = _a.sent();
return [4 /*yield*/, promises.body];
case 3:
body = _a.sent();
return [4 /*yield*/, promises.right];
case 4:
right = _a.sent();
return [4 /*yield*/, promises.bottom];
case 5:
bottom = _a.sent();
top.left(left.width);
left.left(0);
left.top(top.height);
body.left(left.width);
body.top(top.height);
connect(top, body);
connect(left, body);
right.left(left.width + body.width);
right.top(top.height);
connect(right, body);
connect(right, left);
bottom.left(left.width);
bottom.top(top.height + body.height);
connect(bottom, body);
connect(bottom, top);
if (panConstraint === "diagonal" || panConstraint === "antidiagonal") {
connect(left, top);
connect(bottom, right);
connect(top, right);
connect(bottom, left);
}
element.style.position = 'relative';
element.style.width = String(left.width + body.width + right.width) + 'px';
element.style.height = String(top.height + body.height + bottom.height) + 'px';
return [2 /*return*/];
}
});
});
}
//# sourceMappingURL=wrapchart.js.map