664 lines
26 KiB
JavaScript
664 lines
26 KiB
JavaScript
var __read = (this && this.__read) || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o), r, ar = [], e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
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}
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catch (error) { e = { error: error }; }
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finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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}
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finally { if (e) throw e.error; }
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}
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return ar;
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};
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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var DiagramNode = /** @class */ (function () {
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function DiagramNode(id, x, y, label, meta) {
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if (meta === void 0) { meta = {}; }
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this.hover = false;
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this.inputHover = false;
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this.outputHover = false;
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this.meta = {};
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this.id = id;
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this.x = x;
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this.y = y;
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this.label = label;
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this.meta = meta;
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this.resize();
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}
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DiagramNode.prototype.resize = function () {
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var textSize = _diagram.ctx.measureText(this.label);
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var height = 2 * (textSize.actualBoundingBoxAscent + textSize.actualBoundingBoxDescent);
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this.width = textSize.width + height;
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this.height = height;
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};
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DiagramNode.prototype.pointInNode = function (x, y) {
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if (x < this.x) {
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return false;
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}
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if (y < this.y) {
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return false;
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}
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if (x > this.x + this.width) {
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return false;
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}
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if (y > this.y + this.height) {
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return false;
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}
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return true;
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};
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DiagramNode.prototype.pointNearNode = function (x, y) {
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// including the input/output circles
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if (x < this.x - this.height / 3) {
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return false;
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}
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if (y < this.y) {
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return false;
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}
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if (x > this.x + this.width + this.height / 3) {
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return false;
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}
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if (y > this.y + this.height) {
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return false;
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}
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return true;
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};
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DiagramNode.prototype.getInputCircleXY = function () {
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return [this.x, this.y + this.height / 2];
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};
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DiagramNode.prototype.getOutputCircleXY = function () {
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return [this.x + this.width, this.y + this.height / 2];
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};
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DiagramNode.prototype.pointInInputCircle = function (x, y) {
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var _a = __read(this.getInputCircleXY(), 2), circleX = _a[0], circleY = _a[1];
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var radiusSqrd = Math.pow(this.height / 3, 2);
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return Math.pow(x - circleX, 2) + Math.pow(y - circleY, 2) <= radiusSqrd;
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};
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DiagramNode.prototype.pointInOutputCircle = function (x, y) {
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var _a = __read(this.getOutputCircleXY(), 2), circleX = _a[0], circleY = _a[1];
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var radiusSqrd = Math.pow(this.height / 3, 2);
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return Math.pow(x - circleX, 2) + Math.pow(y - circleY, 2) <= radiusSqrd;
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};
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return DiagramNode;
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}());
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var ContextMenuItem = /** @class */ (function () {
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function ContextMenuItem(label, callback) {
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this.x = 0;
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this.y = 0;
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this.hover = false;
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this.callback = function (node) { };
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this.label = label;
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this.callback = callback;
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}
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return ContextMenuItem;
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}());
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var ContextMenu = /** @class */ (function () {
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function ContextMenu(ctx) {
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this.x = 0;
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this.y = 0;
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this.active = false;
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this.mouseOver = false;
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this.textWidth = 0;
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this.textHeight = 0;
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this.textMargin = 0;
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this.width = 0;
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this.height = 0;
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this.items = new Array();
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this.contextNode = null;
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this.ctx = ctx;
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this.ctx.font = "20px Helvetica";
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var textSize = this.ctx.measureText("SomeLongerText");
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this.textWidth = textSize.width;
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this.textHeight = textSize.actualBoundingBoxAscent + textSize.actualBoundingBoxDescent;
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this.textMargin = this.textWidth / 8;
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}
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ContextMenu.prototype.fitContextMenu = function () {
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var e_1, _a;
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this.width = this.textWidth + this.textMargin * 2;
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this.height = this.textHeight + this.textMargin * (this.items.length + 2);
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var index = 0;
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try {
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for (var _b = __values(this.items), _c = _b.next(); !_c.done; _c = _b.next()) {
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var item = _c.value;
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item.x = this.textMargin;
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item.y = this.textHeight * index + this.textMargin * (index + 2);
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index++;
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b["return"])) _a.call(_b);
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}
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finally { if (e_1) throw e_1.error; }
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}
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};
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ContextMenu.prototype.pointIn = function (x, y) {
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var e_2, _a;
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if (x < this.x) {
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this.mouseOver = false;
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return false;
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}
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if (y < this.y) {
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this.mouseOver = false;
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return false;
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}
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if (x > this.x + this.width) {
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this.mouseOver = false;
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return false;
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}
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if (y > this.y + this.height) {
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this.mouseOver = false;
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return false;
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}
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try {
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for (var _b = __values(this.items), _c = _b.next(); !_c.done; _c = _b.next()) {
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var item = _c.value;
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if (y >= this.y + item.y - this.textHeight && y <= this.y + item.y + this.textHeight) {
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item.hover = true;
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}
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else {
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item.hover = false;
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}
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}
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}
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catch (e_2_1) { e_2 = { error: e_2_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b["return"])) _a.call(_b);
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}
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finally { if (e_2) throw e_2.error; }
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}
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this.mouseOver = true;
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return true;
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};
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ContextMenu.prototype.clickOn = function () {
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var e_3, _a;
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if (this.contextNode == null) {
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console.warn("No contextNode");
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return;
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}
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try {
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for (var _b = __values(this.items), _c = _b.next(); !_c.done; _c = _b.next()) {
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var item = _c.value;
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if (item.hover) {
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item.callback(this.contextNode);
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}
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}
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}
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catch (e_3_1) { e_3 = { error: e_3_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b["return"])) _a.call(_b);
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}
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finally { if (e_3) throw e_3.error; }
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}
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};
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ContextMenu.prototype.draw = function () {
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var e_4, _a;
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var cameraX = _diagram.cameraX;
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var cameraY = _diagram.cameraY;
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this.ctx.fillStyle = "lightblue";
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this.ctx.fillRect(this.x + cameraX, this.y + cameraY, this.width, this.height);
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try {
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for (var _b = __values(this.items), _c = _b.next(); !_c.done; _c = _b.next()) {
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var item = _c.value;
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this.ctx.fillStyle = this.mouseOver && item.hover ? "red" : "black";
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this.ctx.fillText(item.label, this.x + item.x + cameraX, this.y + item.y + cameraY);
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}
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}
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catch (e_4_1) { e_4 = { error: e_4_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b["return"])) _a.call(_b);
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}
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finally { if (e_4) throw e_4.error; }
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}
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};
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return ContextMenu;
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}());
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var _diagram;
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function diargramOnResize() {
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_diagram.onresize();
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}
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function diagramOnMouseDown(ev) {
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_diagram.onmousedown(ev);
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}
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function diagramOnMouseUp(ev) {
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_diagram.onmouseup(ev);
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}
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function diagramOnMouseMove(ev) {
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_diagram.onmousemove(ev);
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}
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function diagramOnWheel(ev) {
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//_diagram.onwheel(ev);
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}
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function diagramOnContext(ev) {
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ev.preventDefault();
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}
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var Diagrams = /** @class */ (function () {
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function Diagrams(canvasId, editNodeCallback, deleteNodeCallback) {
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if (editNodeCallback === void 0) { editNodeCallback = function () { }; }
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if (deleteNodeCallback === void 0) { deleteNodeCallback = function () { }; }
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this.nodes = new Map();
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this.connections = new Array();
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this.cameraX = 0; // camera position
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this.cameraY = 0;
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this.mouseX = 0; // mouse position on the canvas
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this.mouseY = 0;
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this.worldX = 0; // relative mouse position
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this.worldY = 0;
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this.panning = false;
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this.nodeDragging = null;
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this.nodeHover = null;
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this.makingConnectionNode = null;
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this.scale = 1.0;
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this.editNodeCallback = function () { };
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this.deleteNodeCallback = function () { };
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this.canvas = document.getElementById(canvasId);
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if (this.canvas === null) {
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throw "Could not getElementById " + canvasId;
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}
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var ctx = this.canvas.getContext("2d");
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|
if (ctx === null) {
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throw "Could not get 2d rendering context";
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}
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_diagram = this;
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this.ctx = ctx;
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this.contextMenu = new ContextMenu(this.ctx);
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this.contextMenu.items.push(new ContextMenuItem("Edit", editNodeCallback));
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this.contextMenu.items.push(new ContextMenuItem("Delete", deleteNodeCallback));
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this.contextMenu.fitContextMenu();
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this.ctx.font = "20px Helvetica";
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this.canvas.onmousemove = diagramOnMouseMove;
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this.canvas.onmousedown = diagramOnMouseDown;
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this.canvas.onmouseup = diagramOnMouseUp;
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this.canvas.onwheel = diagramOnWheel;
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this.canvas.oncontextmenu = diagramOnContext;
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window.onresize = diargramOnResize;
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this.editNodeCallback = editNodeCallback;
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this.deleteNodeCallback = deleteNodeCallback;
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}
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Diagrams.prototype.onmousemove = function (ev) {
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var e_5, _a;
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var canvasRect = this.canvas.getBoundingClientRect();
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|
this.mouseX = ev.x - canvasRect.left;
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this.mouseY = ev.y - canvasRect.top;
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this.worldX = this.mouseX - this.cameraX;
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this.worldY = this.mouseY - this.cameraY;
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if (this.contextMenu.active) {
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this.contextMenu.pointIn(this.worldX, this.worldY);
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}
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else if (this.nodeHover != null) {
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this.nodeHover.hover = false;
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this.nodeHover.inputHover = false;
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this.nodeHover.outputHover = false;
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this.nodeHover = null;
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}
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if (this.panning) {
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this.cameraX += ev.movementX;
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this.cameraY += ev.movementY;
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}
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else if (this.nodeDragging != null) {
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// this.nodeDragging.x = worldX - this.nodeDragging.width / 2;
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// this.nodeDragging.y = worldY - this.nodeDragging.height / 2;
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this.nodeDragging.x += ev.movementX;
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this.nodeDragging.y += ev.movementY;
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}
|
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else {
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|
try {
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for (var _b = __values(this.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
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var _d = __read(_c.value, 2), _ = _d[0], node = _d[1];
|
|
if (node.pointNearNode(this.worldX, this.worldY)) {
|
|
if (node.pointInInputCircle(this.worldX, this.worldY)) {
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node.inputHover = true;
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this.nodeHover = node;
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break;
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}
|
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else if (this.makingConnectionNode == null && node.pointInOutputCircle(this.worldX, this.worldY)) {
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node.outputHover = true;
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this.nodeHover = node;
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break;
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}
|
|
else if (node.pointInNode(this.worldX, this.worldY)) {
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|
node.hover = true;
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|
this.nodeHover = node;
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break;
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}
|
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}
|
|
}
|
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}
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catch (e_5_1) { e_5 = { error: e_5_1 }; }
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|
finally {
|
|
try {
|
|
if (_c && !_c.done && (_a = _b["return"])) _a.call(_b);
|
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}
|
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finally { if (e_5) throw e_5.error; }
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}
|
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}
|
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this.draw();
|
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};
|
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Diagrams.prototype.onmousedown = function (ev) {
|
|
var e_6, _a;
|
|
if (ev.button != 0) {
|
|
return;
|
|
}
|
|
//this.contextMenu.active = false;
|
|
var canvasRect = this.canvas.getBoundingClientRect();
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this.mouseX = ev.x - canvasRect.left;
|
|
this.mouseY = ev.y - canvasRect.top;
|
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this.worldX = this.mouseX - this.cameraX;
|
|
this.worldY = this.mouseY - this.cameraY;
|
|
try {
|
|
for (var _b = __values(this.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
|
|
var _d = __read(_c.value, 2), _ = _d[0], node = _d[1];
|
|
if (node.pointNearNode(this.worldX, this.worldY)) {
|
|
if (node.pointInInputCircle(this.worldX, this.worldY)) {
|
|
// no dragging from inputs ?
|
|
}
|
|
else if (node.pointInOutputCircle(this.worldX, this.worldY)) {
|
|
this.makingConnectionNode = node;
|
|
return;
|
|
}
|
|
}
|
|
if (node.pointInNode(this.worldX, this.worldY)) {
|
|
this.nodeDragging = node;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
catch (e_6_1) { e_6 = { error: e_6_1 }; }
|
|
finally {
|
|
try {
|
|
if (_c && !_c.done && (_a = _b["return"])) _a.call(_b);
|
|
}
|
|
finally { if (e_6) throw e_6.error; }
|
|
}
|
|
this.panning = true;
|
|
};
|
|
Diagrams.prototype.onmouseup = function (ev) {
|
|
var e_7, _a, e_8, _b, e_9, _c, e_10, _d;
|
|
if (ev.button == 2) {
|
|
try {
|
|
for (var _e = __values(this.nodes), _f = _e.next(); !_f.done; _f = _e.next()) {
|
|
var _g = __read(_f.value, 2), _ = _g[0], node = _g[1];
|
|
if (node.pointInNode(this.worldX, this.worldY)) {
|
|
this.contextMenu.x = this.worldX;
|
|
this.contextMenu.y = this.worldY;
|
|
this.contextMenu.active = true;
|
|
this.contextMenu.contextNode = node;
|
|
this.draw();
|
|
}
|
|
}
|
|
}
|
|
catch (e_7_1) { e_7 = { error: e_7_1 }; }
|
|
finally {
|
|
try {
|
|
if (_f && !_f.done && (_a = _e["return"])) _a.call(_e);
|
|
}
|
|
finally { if (e_7) throw e_7.error; }
|
|
}
|
|
}
|
|
if (ev.button != 0) {
|
|
return;
|
|
}
|
|
this.panning = false;
|
|
this.nodeDragging = null;
|
|
if (this.makingConnectionNode !== null) {
|
|
try {
|
|
for (var _h = __values(this.nodes), _j = _h.next(); !_j.done; _j = _h.next()) {
|
|
var _k = __read(_j.value, 2), _ = _k[0], node = _k[1];
|
|
if (node == this.makingConnectionNode) {
|
|
continue;
|
|
}
|
|
if (node.pointInInputCircle(this.worldX, this.worldY)) {
|
|
var connectionExists = false;
|
|
try {
|
|
for (var _l = (e_9 = void 0, __values(this.connections)), _m = _l.next(); !_m.done; _m = _l.next()) {
|
|
var _o = __read(_m.value, 2), output = _o[0], input = _o[1];
|
|
if (this.makingConnectionNode.id == output.id && node.id == input.id) {
|
|
connectionExists = true;
|
|
}
|
|
}
|
|
}
|
|
catch (e_9_1) { e_9 = { error: e_9_1 }; }
|
|
finally {
|
|
try {
|
|
if (_m && !_m.done && (_c = _l["return"])) _c.call(_l);
|
|
}
|
|
finally { if (e_9) throw e_9.error; }
|
|
}
|
|
if (!connectionExists) {
|
|
this.addConnection(this.makingConnectionNode, node);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch (e_8_1) { e_8 = { error: e_8_1 }; }
|
|
finally {
|
|
try {
|
|
if (_j && !_j.done && (_b = _h["return"])) _b.call(_h);
|
|
}
|
|
finally { if (e_8) throw e_8.error; }
|
|
}
|
|
this.makingConnectionNode = null;
|
|
}
|
|
if (this.contextMenu.active) {
|
|
if (this.contextMenu.pointIn(this.worldX, this.worldY)) {
|
|
this.contextMenu.clickOn();
|
|
this.draw();
|
|
}
|
|
this.contextMenu.active = false;
|
|
}
|
|
try {
|
|
for (var _p = __values(this.connections), _q = _p.next(); !_q.done; _q = _p.next()) {
|
|
var _r = __read(_q.value, 2), output = _r[0], input = _r[1];
|
|
var _s = __read(output.getOutputCircleXY(), 2), outputX = _s[0], outputY = _s[1];
|
|
outputX += this.cameraX;
|
|
outputY += this.cameraY;
|
|
var _t = __read(input.getInputCircleXY(), 2), inputX = _t[0], inputY = _t[1];
|
|
inputX += this.cameraX;
|
|
inputY += this.cameraY;
|
|
var dX = Math.abs(outputX - inputX);
|
|
this.ctx.beginPath();
|
|
this.ctx.moveTo(outputX, outputY);
|
|
this.ctx.strokeStyle = "black";
|
|
var cp1x = (outputX + dX / 2);
|
|
var cp1y = outputY;
|
|
var cp2x = (inputX - dX / 2);
|
|
var cp2y = inputY;
|
|
this.ctx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, inputX, inputY);
|
|
this.ctx.stroke();
|
|
this.ctx.closePath();
|
|
var halfway = getBezierXY(0.5, outputX, outputY, cp1x, cp1y, cp2x, cp2y, inputX, inputY);
|
|
var mouseOnHalfway = Math.pow(this.mouseX - halfway.x, 2) + Math.pow(this.mouseY - halfway.y, 2) <= 10 * 10;
|
|
if (mouseOnHalfway) {
|
|
this.removeConnection(output, input);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
catch (e_10_1) { e_10 = { error: e_10_1 }; }
|
|
finally {
|
|
try {
|
|
if (_q && !_q.done && (_d = _p["return"])) _d.call(_p);
|
|
}
|
|
finally { if (e_10) throw e_10.error; }
|
|
}
|
|
this.draw();
|
|
};
|
|
Diagrams.prototype.onwheel = function (ev) {
|
|
if (ev.deltaY > 0) {
|
|
return;
|
|
}
|
|
this.scale = Math.min(Math.max(this.scale - 0.1, 0.1), 1.0);
|
|
this.ctx.scale(this.scale, this.scale);
|
|
};
|
|
Diagrams.prototype.drawBackground = function () {
|
|
this.ctx.fillStyle = "#D8D8D8";
|
|
this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height);
|
|
this.ctx.strokeStyle = "#888";
|
|
this.ctx.lineWidth = 5;
|
|
this.ctx.strokeRect(0, 0, this.canvas.width, this.canvas.height);
|
|
};
|
|
Diagrams.prototype.draw = function () {
|
|
var e_11, _a, e_12, _b;
|
|
var scale = 1 / this.scale;
|
|
this.ctx.clearRect(0, 0, this.canvas.width * scale, this.canvas.height * scale);
|
|
this.drawBackground();
|
|
var fullCircleRadians = Math.PI + (Math.PI * 3);
|
|
if (this.makingConnectionNode != null) {
|
|
var _c = __read(this.makingConnectionNode.getOutputCircleXY(), 2), circleX = _c[0], circleY = _c[1];
|
|
var dX = Math.abs((circleX + this.cameraX) - this.mouseX);
|
|
this.ctx.beginPath();
|
|
this.ctx.moveTo(circleX + this.cameraX, circleY + this.cameraY);
|
|
this.ctx.strokeStyle = "black";
|
|
var cp1x = (circleX + dX / 2) + this.cameraX;
|
|
var cp1y = circleY + this.cameraY;
|
|
var cp2x = (this.mouseX - dX / 2);
|
|
var cp2y = this.mouseY;
|
|
this.ctx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, this.mouseX, this.mouseY);
|
|
this.ctx.stroke();
|
|
this.ctx.closePath();
|
|
}
|
|
try {
|
|
for (var _d = __values(this.connections), _e = _d.next(); !_e.done; _e = _d.next()) {
|
|
var _f = __read(_e.value, 2), output = _f[0], input = _f[1];
|
|
var _g = __read(output.getOutputCircleXY(), 2), outputX = _g[0], outputY = _g[1];
|
|
outputX += this.cameraX;
|
|
outputY += this.cameraY;
|
|
var _h = __read(input.getInputCircleXY(), 2), inputX = _h[0], inputY = _h[1];
|
|
inputX += this.cameraX;
|
|
inputY += this.cameraY;
|
|
var dX = Math.abs(outputX - inputX);
|
|
this.ctx.beginPath();
|
|
this.ctx.moveTo(outputX, outputY);
|
|
this.ctx.strokeStyle = "black";
|
|
var cp1x = (outputX + dX / 2);
|
|
var cp1y = outputY;
|
|
var cp2x = (inputX - dX / 2);
|
|
var cp2y = inputY;
|
|
this.ctx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, inputX, inputY);
|
|
this.ctx.stroke();
|
|
this.ctx.closePath();
|
|
var halfway = getBezierXY(0.5, outputX, outputY, cp1x, cp1y, cp2x, cp2y, inputX, inputY);
|
|
var mouseOnHalfway = Math.pow(this.mouseX - halfway.x, 2) + Math.pow(this.mouseY - halfway.y, 2) <= 10 * 10;
|
|
this.ctx.beginPath();
|
|
this.ctx.strokeStyle = mouseOnHalfway ? "red" : "rgba(200, 200, 200, 0.8)";
|
|
this.ctx.moveTo(halfway.x - 10, halfway.y - 10);
|
|
this.ctx.lineTo(halfway.x + 10, halfway.y + 10);
|
|
this.ctx.moveTo(halfway.x + 10, halfway.y - 10);
|
|
this.ctx.lineTo(halfway.x - 10, halfway.y + 10);
|
|
this.ctx.stroke();
|
|
this.ctx.closePath();
|
|
}
|
|
}
|
|
catch (e_11_1) { e_11 = { error: e_11_1 }; }
|
|
finally {
|
|
try {
|
|
if (_e && !_e.done && (_a = _d["return"])) _a.call(_d);
|
|
}
|
|
finally { if (e_11) throw e_11.error; }
|
|
}
|
|
try {
|
|
for (var _j = __values(this.nodes), _k = _j.next(); !_k.done; _k = _j.next()) {
|
|
var _l = __read(_k.value, 2), _ = _l[0], node = _l[1];
|
|
this.ctx.fillStyle = node.hover ? "#303030" : "#161616";
|
|
this.ctx.fillRect(node.x + this.cameraX, node.y + this.cameraY, node.width, node.height);
|
|
this.ctx.fillStyle = "#D3D3D3";
|
|
this.ctx.font = "20px Helvetica";
|
|
this.ctx.fillText(node.label, node.x + this.cameraX + node.height / 2, node.y + this.cameraY + node.height / 1.5);
|
|
this.ctx.fillStyle = node.inputHover ? "red" : "green";
|
|
this.ctx.beginPath();
|
|
this.ctx.arc(node.x + this.cameraX, node.y + node.height / 2 + this.cameraY, node.height / 3, 0, fullCircleRadians);
|
|
this.ctx.fill();
|
|
this.ctx.beginPath();
|
|
this.ctx.fillStyle = node.outputHover ? "red" : "green";
|
|
this.ctx.moveTo(node.x + node.width + this.cameraX, node.y + node.height / 2 + this.cameraY);
|
|
this.ctx.arc(node.x + node.width + this.cameraX, node.y + node.height / 2 + this.cameraY, node.height / 3, 0, fullCircleRadians);
|
|
this.ctx.fill();
|
|
}
|
|
}
|
|
catch (e_12_1) { e_12 = { error: e_12_1 }; }
|
|
finally {
|
|
try {
|
|
if (_k && !_k.done && (_b = _j["return"])) _b.call(_j);
|
|
}
|
|
finally { if (e_12) throw e_12.error; }
|
|
}
|
|
if (this.contextMenu.active) {
|
|
this.contextMenu.draw();
|
|
}
|
|
};
|
|
Diagrams.prototype.addNode = function (id, x, y, label, meta) {
|
|
if (meta === void 0) { meta = {}; }
|
|
this.nodes.set(id, new DiagramNode(id, x, y, label, meta));
|
|
};
|
|
Diagrams.prototype.addConnection = function (A, B) {
|
|
this.connections.push([A, B]);
|
|
};
|
|
Diagrams.prototype.addConnectionById = function (a, b) {
|
|
var A = this.nodes.get(a);
|
|
if (A === undefined) {
|
|
console.error("No node with ID: " + a);
|
|
return;
|
|
}
|
|
var B = this.nodes.get(b);
|
|
if (B === undefined) {
|
|
console.error("No node with ID: " + b);
|
|
return;
|
|
}
|
|
this.connections.push([A, B]);
|
|
};
|
|
Diagrams.prototype.removeConnection = function (A, B) {
|
|
var e_13, _a;
|
|
var index = 0;
|
|
try {
|
|
for (var _b = __values(this.connections), _c = _b.next(); !_c.done; _c = _b.next()) {
|
|
var _d = __read(_c.value, 2), output = _d[0], input = _d[1];
|
|
if (output.id == A.id && input.id == B.id) {
|
|
this.connections.splice(index, 1);
|
|
}
|
|
index++;
|
|
}
|
|
}
|
|
catch (e_13_1) { e_13 = { error: e_13_1 }; }
|
|
finally {
|
|
try {
|
|
if (_c && !_c.done && (_a = _b["return"])) _a.call(_b);
|
|
}
|
|
finally { if (e_13) throw e_13.error; }
|
|
}
|
|
};
|
|
Diagrams.prototype.onresize = function () {
|
|
this.fillParent();
|
|
};
|
|
Diagrams.prototype.fillParent = function () {
|
|
this.canvas.width = this.canvas.clientWidth;
|
|
this.canvas.height = this.canvas.clientHeight;
|
|
this.draw();
|
|
};
|
|
return Diagrams;
|
|
}());
|
|
// http://www.independent-software.com/determining-coordinates-on-a-html-canvas-bezier-curve.html
|
|
function getBezierXY(t, sx, sy, cp1x, cp1y, cp2x, cp2y, ex, ey) {
|
|
return {
|
|
x: Math.pow(1 - t, 3) * sx + 3 * t * Math.pow(1 - t, 2) * cp1x
|
|
+ 3 * t * t * (1 - t) * cp2x + t * t * t * ex,
|
|
y: Math.pow(1 - t, 3) * sy + 3 * t * Math.pow(1 - t, 2) * cp1y
|
|
+ 3 * t * t * (1 - t) * cp2y + t * t * t * ey
|
|
};
|
|
}
|