init
This commit is contained in:
Chop
948
script.js
Normal file
948
script.js
Normal file
@@ -0,0 +1,948 @@
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class ObjectFlowDesigner {
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constructor() {
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this.canvas = document.getElementById("canvas");
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this.ctx = this.canvas.getContext("2d");
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this.objects = [];
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this.connections = [];
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this.selectedObject = null;
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this.selectedConnection = null;
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this.mode = "select"; // 'select' or 'connect'
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this.connectionStart = null;
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this.dragOffset = { x: 0, y: 0 };
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this.isDragging = false;
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this.nextId = 1;
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this.setupEventListeners();
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this.resizeCanvas();
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this.render();
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}
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setupEventListeners() {
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// Canvas events
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this.canvas.addEventListener("mousedown", this.handleMouseDown.bind(this));
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this.canvas.addEventListener("mousemove", this.handleMouseMove.bind(this));
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this.canvas.addEventListener("mouseup", this.handleMouseUp.bind(this));
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this.canvas.addEventListener("click", this.handleClick.bind(this));
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// Palette events
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document.querySelectorAll(".palette-item").forEach((item) => {
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item.addEventListener("click", this.handlePaletteClick.bind(this));
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});
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// Control buttons
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document
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.getElementById("connectionBtn")
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.addEventListener("click", () => this.setMode("connect"));
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document
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.getElementById("selectBtn")
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.addEventListener("click", () => this.setMode("select"));
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document
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.getElementById("clearBtn")
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.addEventListener("click", this.clearAll.bind(this));
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document
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.getElementById("exportBtn")
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.addEventListener("click", this.exportData.bind(this));
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document.getElementById("importBtn").addEventListener("click", () => {
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document.getElementById("fileInput").click();
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});
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document
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.getElementById("fileInput")
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.addEventListener("change", this.importData.bind(this));
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// Window resize
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window.addEventListener("resize", this.resizeCanvas.bind(this));
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}
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resizeCanvas() {
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const rect = this.canvas.getBoundingClientRect();
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this.canvas.width = rect.width;
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this.canvas.height = rect.height;
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this.render();
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}
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setMode(mode) {
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this.mode = mode;
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this.connectionStart = null;
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this.selectedObject = null;
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this.selectedConnection = null;
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this.updatePropertiesPanel();
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document.body.className = `mode-${mode}`;
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// Update button states
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document
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.getElementById("connectionBtn")
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.classList.toggle("btn-primary", mode === "connect");
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document
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.getElementById("connectionBtn")
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.classList.toggle("btn-outline", mode !== "connect");
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document
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.getElementById("selectBtn")
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.classList.toggle("btn-primary", mode === "select");
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document
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.getElementById("selectBtn")
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.classList.toggle("btn-outline", mode !== "select");
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this.render();
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}
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handlePaletteClick(event) {
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const type = event.currentTarget.dataset.type;
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// Check if triangle already exists
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if (
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type === "triangle" &&
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this.objects.some((obj) => obj.type === "triangle")
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) {
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this.showError("Only one triangle is allowed!");
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return;
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}
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this.createObject(type, 100, 100);
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}
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createObject(type, x, y) {
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const id = this.nextId++;
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const obj = {
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id,
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type,
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x,
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y,
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width: type === "triangle" ? 40 : 50,
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height: type === "triangle" ? 40 : 50,
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data: {
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name: `${type.charAt(0).toUpperCase() + type.slice(1)} ${id}`,
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description: "",
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value: "",
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metadata: {},
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},
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connections: {
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inputs: [],
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outputs: [],
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},
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};
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this.objects.push(obj);
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this.render();
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// Auto-select the new object
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this.selectedObject = obj;
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this.updatePropertiesPanel();
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}
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handleMouseDown(event) {
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const rect = this.canvas.getBoundingClientRect();
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const x = event.clientX - rect.left;
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const y = event.clientY - rect.top;
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const clickedObject = this.getObjectAt(x, y);
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const clickedConnection = this.getConnectionAt(x, y);
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if (this.mode === "select") {
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if (clickedObject) {
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this.selectedObject = clickedObject;
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this.selectedConnection = null;
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this.isDragging = true;
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this.dragOffset = {
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x: x - clickedObject.x,
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y: y - clickedObject.y,
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};
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this.updatePropertiesPanel();
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} else if (clickedConnection) {
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this.selectedConnection = clickedConnection;
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this.selectedObject = null;
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this.updatePropertiesPanel();
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} else {
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this.selectedObject = null;
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this.selectedConnection = null;
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this.updatePropertiesPanel();
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}
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} else if (this.mode === "connect" && clickedObject) {
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if (!this.connectionStart) {
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// Start connection
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this.connectionStart = clickedObject;
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} else {
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// End connection
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this.createConnection(this.connectionStart, clickedObject);
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this.connectionStart = null;
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}
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} else {
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this.selectedObject = null;
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this.selectedConnection = null;
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this.connectionStart = null;
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this.updatePropertiesPanel();
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}
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this.render();
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}
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handleMouseMove(event) {
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const rect = this.canvas.getBoundingClientRect();
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const x = event.clientX - rect.left;
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const y = event.clientY - rect.top;
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if (this.isDragging && this.selectedObject) {
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this.selectedObject.x = x - this.dragOffset.x;
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this.selectedObject.y = y - this.dragOffset.y;
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this.render();
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}
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// Show tooltip
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const hoveredObject = this.getObjectAt(x, y);
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this.showTooltip(hoveredObject, x, y);
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}
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handleMouseUp() {
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this.isDragging = false;
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}
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handleClick(event) {
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// Handle click events that don't require dragging
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}
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getObjectAt(x, y) {
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for (let i = this.objects.length - 1; i >= 0; i--) {
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const obj = this.objects[i];
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if (obj.type === "triangle") {
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// Triangle collision detection
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const centerX = obj.x + obj.width / 2;
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const centerY = obj.y + obj.height / 2;
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const distance = Math.sqrt((x - centerX) ** 2 + (y - centerY) ** 2);
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if (distance <= obj.width / 2) {
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return obj;
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}
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} else {
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// Rectangle collision detection
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if (
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x >= obj.x &&
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x <= obj.x + obj.width &&
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y >= obj.y &&
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y <= obj.y + obj.height
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) {
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return obj;
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}
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}
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}
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return null;
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}
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getConnectionAt(x, y) {
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const tolerance = 10; // Distance tolerance for clicking on connection lines
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for (let connection of this.connections) {
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const fromPoint = this.getConnectionPoint(connection.from, "output");
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const toPoint = this.getConnectionPoint(connection.to, "input");
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// Calculate bezier curve points
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const controlX1 = fromPoint.x + 50;
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const controlY1 = fromPoint.y;
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const controlX2 = toPoint.x - 50;
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const controlY2 = toPoint.y;
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// Sample points along the bezier curve and check distance
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for (let t = 0; t <= 1; t += 0.05) {
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const curvePoint = this.getBezierPoint(
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fromPoint.x,
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fromPoint.y,
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controlX1,
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controlY1,
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controlX2,
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controlY2,
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toPoint.x,
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toPoint.y,
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t
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);
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const distance = Math.sqrt(
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(x - curvePoint.x) ** 2 + (y - curvePoint.y) ** 2
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);
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if (distance <= tolerance) {
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return connection;
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}
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}
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}
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return null;
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}
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getBezierPoint(x1, y1, cx1, cy1, cx2, cy2, x2, y2, t) {
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const u = 1 - t;
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const tt = t * t;
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const uu = u * u;
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const uuu = uu * u;
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const ttt = tt * t;
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return {
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x: uuu * x1 + 3 * uu * t * cx1 + 3 * u * tt * cx2 + ttt * x2,
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y: uuu * y1 + 3 * uu * t * cy1 + 3 * u * tt * cy2 + ttt * y2,
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};
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}
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createConnection(fromObj, toObj) {
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// Validate connection rules
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if (fromObj === toObj) {
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this.showError("Cannot connect object to itself!");
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return;
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}
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// Check if connection already exists
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if (
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this.connections.some(
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(conn) => conn.from === fromObj && conn.to === toObj
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)
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) {
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this.showError("Connection already exists!");
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return;
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}
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// Triangle can only have one output
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if (
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fromObj.type === "triangle" &&
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fromObj.connections.outputs.length >= 1
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) {
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this.showError("Triangle can only have one outgoing connection!");
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return;
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}
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// Square can only have one input from the left
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if (toObj.type === "square" && toObj.connections.inputs.length >= 1) {
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this.showError("Square can only have one incoming connection!");
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return;
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}
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// Only allow triangle->square or square->square connections
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if (fromObj.type === "square" && toObj.type === "triangle") {
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this.showError("Cannot connect from square to triangle!");
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return;
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}
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const connection = {
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id: this.nextId++,
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from: fromObj,
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to: toObj,
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data: {
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label: `Connection ${this.nextId - 1}`,
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description: "",
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weight: 1,
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dataType: "default",
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metadata: {},
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},
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};
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this.connections.push(connection);
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fromObj.connections.outputs.push(connection);
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toObj.connections.inputs.push(connection);
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this.render();
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}
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render() {
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// Clear canvas
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this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
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// Draw grid
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this.drawGrid();
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// Draw connections
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this.connections.forEach((connection) => this.drawConnection(connection));
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// Draw objects
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this.objects.forEach((obj) => this.drawObject(obj));
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// Draw connection preview
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if (this.mode === "connect" && this.connectionStart) {
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this.drawConnectionPreview();
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}
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}
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drawGrid() {
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const gridSize = 20;
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this.ctx.strokeStyle = "#f0f0f0";
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this.ctx.lineWidth = 1;
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for (let x = 0; x < this.canvas.width; x += gridSize) {
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this.ctx.beginPath();
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this.ctx.moveTo(x, 0);
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this.ctx.lineTo(x, this.canvas.height);
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this.ctx.stroke();
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}
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for (let y = 0; y < this.canvas.height; y += gridSize) {
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this.ctx.beginPath();
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this.ctx.moveTo(0, y);
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this.ctx.lineTo(this.canvas.width, y);
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this.ctx.stroke();
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}
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}
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drawObject(obj) {
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const isSelected = obj === this.selectedObject;
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const isConnectionStart = obj === this.connectionStart;
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this.ctx.save();
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if (obj.type === "triangle") {
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this.drawTriangle(obj, isSelected, isConnectionStart);
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} else {
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this.drawSquare(obj, isSelected, isConnectionStart);
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}
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this.ctx.restore();
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}
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drawTriangle(obj, isSelected, isConnectionStart) {
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const centerX = obj.x + obj.width / 2;
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const centerY = obj.y + obj.height / 2;
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this.ctx.beginPath();
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this.ctx.moveTo(centerX, obj.y);
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this.ctx.lineTo(obj.x, obj.y + obj.height);
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this.ctx.lineTo(obj.x + obj.width, obj.y + obj.height);
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this.ctx.closePath();
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// Fill
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this.ctx.fillStyle = isConnectionStart ? "#38a169" : "#48bb78";
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this.ctx.fill();
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// Border
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if (isSelected) {
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this.ctx.strokeStyle = "#2d3748";
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this.ctx.lineWidth = 3;
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} else {
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this.ctx.strokeStyle = "#2f855a";
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this.ctx.lineWidth = 2;
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}
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this.ctx.stroke();
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// Label
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this.ctx.fillStyle = "white";
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this.ctx.font = "12px Arial";
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this.ctx.textAlign = "center";
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this.ctx.fillText("▲", centerX, centerY + 4);
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}
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drawSquare(obj, isSelected, isConnectionStart) {
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// Fill
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this.ctx.fillStyle = isConnectionStart ? "#2b6cb0" : "#4299e1";
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this.ctx.fillRect(obj.x, obj.y, obj.width, obj.height);
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// Border
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if (isSelected) {
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this.ctx.strokeStyle = "#2d3748";
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this.ctx.lineWidth = 3;
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} else {
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this.ctx.strokeStyle = "#2c5282";
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this.ctx.lineWidth = 2;
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}
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this.ctx.strokeRect(obj.x, obj.y, obj.width, obj.height);
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// Label
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this.ctx.fillStyle = "white";
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this.ctx.font = "12px Arial";
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this.ctx.textAlign = "center";
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this.ctx.fillText("■", obj.x + obj.width / 2, obj.y + obj.height / 2 + 4);
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}
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drawConnection(connection) {
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const fromObj = connection.from;
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const toObj = connection.to;
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const isSelected = connection === this.selectedConnection;
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// Calculate connection points
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const fromPoint = this.getConnectionPoint(fromObj, "output");
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const toPoint = this.getConnectionPoint(toObj, "input");
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this.ctx.save();
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this.ctx.strokeStyle = isSelected ? "#2d3748" : "#4a5568";
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this.ctx.lineWidth = isSelected ? 4 : 3;
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this.ctx.lineCap = "round";
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// Draw curved line
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this.ctx.beginPath();
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this.ctx.moveTo(fromPoint.x, fromPoint.y);
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const controlX1 = fromPoint.x + 50;
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const controlY1 = fromPoint.y;
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const controlX2 = toPoint.x - 50;
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const controlY2 = toPoint.y;
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this.ctx.bezierCurveTo(
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controlX1,
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controlY1,
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controlX2,
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controlY2,
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toPoint.x,
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toPoint.y
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);
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this.ctx.stroke();
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// Draw arrowhead
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this.drawArrowhead(
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toPoint.x,
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toPoint.y,
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Math.atan2(controlY2 - toPoint.y, controlX2 - toPoint.x),
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isSelected
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);
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// Draw connection label if it exists
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if (connection.data.label) {
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const midPoint = this.getBezierPoint(
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fromPoint.x,
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fromPoint.y,
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controlX1,
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controlY1,
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controlX2,
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controlY2,
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toPoint.x,
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toPoint.y,
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0.5
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);
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this.ctx.fillStyle = "white";
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this.ctx.strokeStyle = "#4a5568";
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this.ctx.lineWidth = 2;
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this.ctx.font = "12px Arial";
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this.ctx.textAlign = "center";
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const textWidth = this.ctx.measureText(connection.data.label).width;
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const padding = 4;
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// Draw background
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this.ctx.fillRect(
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midPoint.x - textWidth / 2 - padding,
|
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midPoint.y - 8 - padding,
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textWidth + padding * 2,
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||||
16 + padding * 2
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);
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this.ctx.strokeRect(
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midPoint.x - textWidth / 2 - padding,
|
||||
midPoint.y - 8 - padding,
|
||||
textWidth + padding * 2,
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||||
16 + padding * 2
|
||||
);
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||||
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||||
// Draw text
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this.ctx.fillStyle = "#4a5568";
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this.ctx.fillText(connection.data.label, midPoint.x, midPoint.y + 4);
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}
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this.ctx.restore();
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||||
}
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||||
|
||||
drawConnectionPreview() {
|
||||
if (!this.connectionStart) return;
|
||||
|
||||
const rect = this.canvas.getBoundingClientRect();
|
||||
const mouseX = event?.clientX - rect.left || 0;
|
||||
const mouseY = event?.clientY - rect.top || 0;
|
||||
|
||||
const fromPoint = this.getConnectionPoint(this.connectionStart, "output");
|
||||
|
||||
this.ctx.save();
|
||||
this.ctx.strokeStyle = "#a0aec0";
|
||||
this.ctx.lineWidth = 2;
|
||||
this.ctx.setLineDash([5, 5]);
|
||||
|
||||
this.ctx.beginPath();
|
||||
this.ctx.moveTo(fromPoint.x, fromPoint.y);
|
||||
this.ctx.lineTo(mouseX, mouseY);
|
||||
this.ctx.stroke();
|
||||
|
||||
this.ctx.restore();
|
||||
}
|
||||
|
||||
getConnectionPoint(obj, type) {
|
||||
if (type === "input") {
|
||||
return {
|
||||
x: obj.x,
|
||||
y: obj.y + obj.height / 2,
|
||||
};
|
||||
} else {
|
||||
return {
|
||||
x: obj.x + obj.width,
|
||||
y: obj.y + obj.height / 2,
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
drawArrowhead(x, y, angle, isSelected = false) {
|
||||
const headLength = isSelected ? 12 : 10;
|
||||
|
||||
this.ctx.save();
|
||||
this.ctx.translate(x, y);
|
||||
this.ctx.rotate(angle);
|
||||
|
||||
this.ctx.beginPath();
|
||||
this.ctx.moveTo(0, 0);
|
||||
this.ctx.lineTo(-headLength, -headLength / 2);
|
||||
this.ctx.lineTo(-headLength, headLength / 2);
|
||||
this.ctx.closePath();
|
||||
|
||||
this.ctx.fillStyle = isSelected ? "#2d3748" : "#4a5568";
|
||||
this.ctx.fill();
|
||||
|
||||
this.ctx.restore();
|
||||
}
|
||||
|
||||
updatePropertiesPanel() {
|
||||
const panel = document.getElementById("objectProperties");
|
||||
|
||||
if (this.selectedObject) {
|
||||
this.updateObjectProperties(panel);
|
||||
} else if (this.selectedConnection) {
|
||||
this.updateConnectionProperties(panel);
|
||||
} else {
|
||||
panel.innerHTML = '<p class="no-selection">No object selected</p>';
|
||||
}
|
||||
}
|
||||
|
||||
updateObjectProperties(panel) {
|
||||
const obj = this.selectedObject;
|
||||
panel.innerHTML = `
|
||||
<div class="property-group">
|
||||
<h4>Object Properties</h4>
|
||||
<label>Name:</label>
|
||||
<input type="text" id="objName" value="${obj.data.name}">
|
||||
<label>Description:</label>
|
||||
<textarea id="objDescription">${obj.data.description}</textarea>
|
||||
<label>Value:</label>
|
||||
<input type="text" id="objValue" value="${obj.data.value}">
|
||||
</div>
|
||||
|
||||
<div class="property-group">
|
||||
<h4>Object Info</h4>
|
||||
<p><strong>Type:</strong> ${obj.type}</p>
|
||||
<p><strong>ID:</strong> ${obj.id}</p>
|
||||
<p><strong>Position:</strong> (${Math.round(
|
||||
obj.x
|
||||
)}, ${Math.round(obj.y)})</p>
|
||||
<p><strong>Inputs:</strong> ${obj.connections.inputs.length}</p>
|
||||
<p><strong>Outputs:</strong> ${
|
||||
obj.connections.outputs.length
|
||||
}</p>
|
||||
</div>
|
||||
|
||||
<div class="property-group">
|
||||
<h4>Actions</h4>
|
||||
<button class="btn btn-danger" onclick="designer.deleteObject(${
|
||||
obj.id
|
||||
})">Delete Object</button>
|
||||
</div>
|
||||
`;
|
||||
|
||||
// Add event listeners for property changes
|
||||
document.getElementById("objName").addEventListener("input", (e) => {
|
||||
obj.data.name = e.target.value;
|
||||
});
|
||||
|
||||
document.getElementById("objDescription").addEventListener("input", (e) => {
|
||||
obj.data.description = e.target.value;
|
||||
});
|
||||
|
||||
document.getElementById("objValue").addEventListener("input", (e) => {
|
||||
obj.data.value = e.target.value;
|
||||
});
|
||||
}
|
||||
|
||||
updateConnectionProperties(panel) {
|
||||
const conn = this.selectedConnection;
|
||||
panel.innerHTML = `
|
||||
<div class="property-group">
|
||||
<h4>Connection Properties</h4>
|
||||
<label>Label:</label>
|
||||
<input type="text" id="connLabel" value="${conn.data.label}">
|
||||
<label>Description:</label>
|
||||
<textarea id="connDescription">${
|
||||
conn.data.description
|
||||
}</textarea>
|
||||
<label>Weight:</label>
|
||||
<input type="number" id="connWeight" value="${
|
||||
conn.data.weight
|
||||
}" step="0.1">
|
||||
<label>Data Type:</label>
|
||||
<select id="connDataType">
|
||||
<option value="default" ${
|
||||
conn.data.dataType === "default" ? "selected" : ""
|
||||
}>Default</option>
|
||||
<option value="numeric" ${
|
||||
conn.data.dataType === "numeric" ? "selected" : ""
|
||||
}>Numeric</option>
|
||||
<option value="text" ${
|
||||
conn.data.dataType === "text" ? "selected" : ""
|
||||
}>Text</option>
|
||||
<option value="boolean" ${
|
||||
conn.data.dataType === "boolean" ? "selected" : ""
|
||||
}>Boolean</option>
|
||||
<option value="object" ${
|
||||
conn.data.dataType === "object" ? "selected" : ""
|
||||
}>Object</option>
|
||||
</select>
|
||||
</div>
|
||||
|
||||
<div class="property-group">
|
||||
<h4>Connection Info</h4>
|
||||
<p><strong>ID:</strong> ${conn.id}</p>
|
||||
<p><strong>From:</strong> ${conn.from.data.name} (${
|
||||
conn.from.type
|
||||
})</p>
|
||||
<p><strong>To:</strong> ${conn.to.data.name} (${
|
||||
conn.to.type
|
||||
})</p>
|
||||
<p><strong>Flow Direction:</strong> ${conn.from.data.name} → ${
|
||||
conn.to.data.name
|
||||
}</p>
|
||||
</div>
|
||||
|
||||
<div class="property-group">
|
||||
<h4>Actions</h4>
|
||||
<button class="btn btn-danger" onclick="designer.deleteConnection(${
|
||||
conn.id
|
||||
})">Delete Connection</button>
|
||||
</div>
|
||||
`;
|
||||
|
||||
// Add event listeners for property changes
|
||||
document.getElementById("connLabel").addEventListener("input", (e) => {
|
||||
conn.data.label = e.target.value;
|
||||
this.render(); // Re-render to show label changes
|
||||
});
|
||||
|
||||
document
|
||||
.getElementById("connDescription")
|
||||
.addEventListener("input", (e) => {
|
||||
conn.data.description = e.target.value;
|
||||
});
|
||||
|
||||
document.getElementById("connWeight").addEventListener("input", (e) => {
|
||||
conn.data.weight = parseFloat(e.target.value) || 0;
|
||||
});
|
||||
|
||||
document.getElementById("connDataType").addEventListener("change", (e) => {
|
||||
conn.data.dataType = e.target.value;
|
||||
});
|
||||
}
|
||||
|
||||
deleteObject(id) {
|
||||
const objIndex = this.objects.findIndex((obj) => obj.id === id);
|
||||
if (objIndex === -1) return;
|
||||
|
||||
const obj = this.objects[objIndex];
|
||||
|
||||
// Remove all connections involving this object
|
||||
this.connections = this.connections.filter((conn) => {
|
||||
if (conn.from === obj || conn.to === obj) {
|
||||
// Remove connection references from other objects
|
||||
if (conn.from !== obj) {
|
||||
conn.from.connections.outputs = conn.from.connections.outputs.filter(
|
||||
(c) => c !== conn
|
||||
);
|
||||
}
|
||||
if (conn.to !== obj) {
|
||||
conn.to.connections.inputs = conn.to.connections.inputs.filter(
|
||||
(c) => c !== conn
|
||||
);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
});
|
||||
|
||||
// Remove the object
|
||||
this.objects.splice(objIndex, 1);
|
||||
|
||||
if (this.selectedObject === obj) {
|
||||
this.selectedObject = null;
|
||||
this.updatePropertiesPanel();
|
||||
}
|
||||
|
||||
this.render();
|
||||
}
|
||||
|
||||
deleteConnection(id) {
|
||||
const connIndex = this.connections.findIndex((conn) => conn.id === id);
|
||||
if (connIndex === -1) return;
|
||||
|
||||
const connection = this.connections[connIndex];
|
||||
|
||||
// Remove connection references from objects
|
||||
connection.from.connections.outputs =
|
||||
connection.from.connections.outputs.filter((c) => c !== connection);
|
||||
connection.to.connections.inputs = connection.to.connections.inputs.filter(
|
||||
(c) => c !== connection
|
||||
);
|
||||
|
||||
// Remove the connection
|
||||
this.connections.splice(connIndex, 1);
|
||||
|
||||
if (this.selectedConnection === connection) {
|
||||
this.selectedConnection = null;
|
||||
this.updatePropertiesPanel();
|
||||
}
|
||||
|
||||
this.render();
|
||||
}
|
||||
|
||||
showTooltip(obj, x, y) {
|
||||
const tooltip = document.getElementById("tooltip");
|
||||
|
||||
if (obj) {
|
||||
tooltip.style.display = "block";
|
||||
tooltip.style.left = x + 10 + "px";
|
||||
tooltip.style.top = y - 30 + "px";
|
||||
tooltip.textContent = `${obj.data.name} (${obj.type})`;
|
||||
} else {
|
||||
// Check if hovering over a connection
|
||||
const connection = this.getConnectionAt(x, y);
|
||||
if (connection) {
|
||||
tooltip.style.display = "block";
|
||||
tooltip.style.left = x + 10 + "px";
|
||||
tooltip.style.top = y - 30 + "px";
|
||||
tooltip.textContent = `${connection.data.label || "Connection"} (${
|
||||
connection.from.data.name
|
||||
} → ${connection.to.data.name})`;
|
||||
} else {
|
||||
tooltip.style.display = "none";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
showError(message) {
|
||||
// Create temporary error message
|
||||
const error = document.createElement("div");
|
||||
error.style.cssText = `
|
||||
position: fixed;
|
||||
top: 20px;
|
||||
right: 20px;
|
||||
background: #e53e3e;
|
||||
color: white;
|
||||
padding: 1rem;
|
||||
border-radius: 8px;
|
||||
z-index: 10000;
|
||||
animation: slideIn 0.3s ease;
|
||||
`;
|
||||
error.textContent = message;
|
||||
document.body.appendChild(error);
|
||||
|
||||
setTimeout(() => {
|
||||
error.remove();
|
||||
}, 3000);
|
||||
}
|
||||
|
||||
clearAll() {
|
||||
if (
|
||||
confirm("Are you sure you want to clear all objects and connections?")
|
||||
) {
|
||||
this.objects = [];
|
||||
this.connections = [];
|
||||
this.selectedObject = null;
|
||||
this.selectedConnection = null;
|
||||
this.connectionStart = null;
|
||||
this.nextId = 1;
|
||||
this.updatePropertiesPanel();
|
||||
this.render();
|
||||
}
|
||||
}
|
||||
|
||||
exportData() {
|
||||
const data = {
|
||||
objects: this.objects.map((obj) => ({
|
||||
...obj,
|
||||
connections: {
|
||||
inputs: obj.connections.inputs.map((conn) => conn.id),
|
||||
outputs: obj.connections.outputs.map((conn) => conn.id),
|
||||
},
|
||||
})),
|
||||
connections: this.connections.map((conn) => ({
|
||||
...conn,
|
||||
from: conn.from.id,
|
||||
to: conn.to.id,
|
||||
})),
|
||||
nextId: this.nextId,
|
||||
};
|
||||
|
||||
const blob = new Blob([JSON.stringify(data, null, 2)], {
|
||||
type: "application/json",
|
||||
});
|
||||
const url = URL.createObjectURL(blob);
|
||||
const a = document.createElement("a");
|
||||
a.href = url;
|
||||
a.download = "flow-design.json";
|
||||
a.click();
|
||||
URL.revokeObjectURL(url);
|
||||
}
|
||||
|
||||
importData(event) {
|
||||
const file = event.target.files[0];
|
||||
if (!file) return;
|
||||
|
||||
const reader = new FileReader();
|
||||
reader.onload = (e) => {
|
||||
try {
|
||||
const data = JSON.parse(e.target.result);
|
||||
|
||||
// Clear current data
|
||||
this.objects = [];
|
||||
this.connections = [];
|
||||
this.selectedObject = null;
|
||||
this.selectedConnection = null;
|
||||
this.connectionStart = null;
|
||||
|
||||
// Restore objects
|
||||
this.objects = data.objects.map((obj) => ({
|
||||
...obj,
|
||||
connections: { inputs: [], outputs: [] },
|
||||
}));
|
||||
|
||||
// Restore connections
|
||||
data.connections.forEach((connData) => {
|
||||
const fromObj = this.objects.find((obj) => obj.id === connData.from);
|
||||
const toObj = this.objects.find((obj) => obj.id === connData.to);
|
||||
|
||||
if (fromObj && toObj) {
|
||||
const connection = {
|
||||
...connData,
|
||||
from: fromObj,
|
||||
to: toObj,
|
||||
};
|
||||
|
||||
this.connections.push(connection);
|
||||
fromObj.connections.outputs.push(connection);
|
||||
toObj.connections.inputs.push(connection);
|
||||
}
|
||||
});
|
||||
|
||||
this.nextId = data.nextId || this.nextId;
|
||||
this.updatePropertiesPanel();
|
||||
this.render();
|
||||
} catch (error) {
|
||||
this.showError("Failed to import file: Invalid format");
|
||||
}
|
||||
};
|
||||
reader.readAsText(file);
|
||||
|
||||
// Reset file input
|
||||
event.target.value = "";
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize the application
|
||||
let designer;
|
||||
|
||||
document.addEventListener("DOMContentLoaded", () => {
|
||||
designer = new ObjectFlowDesigner();
|
||||
});
|
||||
|
||||
// Add CSS animation keyframes
|
||||
const style = document.createElement("style");
|
||||
style.textContent = `
|
||||
@keyframes slideIn {
|
||||
from {
|
||||
transform: translateX(100%);
|
||||
opacity: 0;
|
||||
}
|
||||
to {
|
||||
transform: translateX(0);
|
||||
opacity: 1;
|
||||
}
|
||||
}
|
||||
`;
|
||||
document.head.appendChild(style);
|
||||
Reference in New Issue
Block a user