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2350 lines (2074 loc) · 68.6 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>UI Builder - C3 Layout Engine</title>
<link
rel="icon"
type="image/png"
href="./favicon-96x96.png"
sizes="96x96"
/>
<link rel="icon" type="image/svg+xml" href="./favicon.svg" />
<link rel="shortcut icon" href="./favicon.ico" />
<link
rel="apple-touch-icon"
sizes="180x180"
href="./apple-touch-icon.png"
/>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
"Helvetica Neue", Arial, sans-serif;
background: #f5f5f5;
overflow: hidden;
}
.app-container {
height: 100vh;
}
/* Header */
.header {
position: fixed;
top: 0;
left: 0;
right: 0;
height: 60px;
background: #2c3e50;
color: white;
display: flex;
align-items: center;
padding: 0 20px;
z-index: 1000;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
position: relative;
}
.back-button {
position: absolute;
top: 50%;
left: 20px;
transform: translateY(-50%);
background: transparent;
color: white;
border: none;
outline: none;
padding: 6px;
border-radius: 6px;
cursor: pointer;
font-size: 24px;
transition: background 0.2s ease;
display: flex;
align-items: center;
justify-content: center;
width: 36px;
height: 36px;
text-decoration: none;
}
.back-button:hover {
background: rgba(255, 255, 255, 0.1);
}
.back-button:focus {
outline: none;
background: rgba(255, 255, 255, 0.2);
}
.back-arrow {
font-size: 18px;
}
.header h1 {
font-size: 1.2rem;
font-weight: 600;
margin-left: 60px; /* Add space for back button */
}
.header-actions {
margin-left: auto;
display: flex;
gap: 10px;
}
.btn {
padding: 8px 16px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 14px;
transition: all 0.2s;
}
.btn-primary {
background: #3498db;
color: white;
}
.btn-primary:hover {
background: #2980b9;
}
.btn-secondary {
background: #95a5a6;
color: white;
}
.btn-secondary:hover {
background: #7f8c8d;
}
/* Main Layout */
.main-content {
display: flex;
width: 100%;
}
/* Left Panel - Tree Structure */
.left-panel {
width: 350px;
background: white;
border-right: 1px solid #e1e4e8;
display: flex;
flex-direction: column;
height: calc(100vh - 60px);
}
.panel-header {
padding: 15px;
border-bottom: 1px solid #e1e4e8;
background: #f6f8fa;
font-weight: 600;
}
.tree-container {
flex: 1;
overflow-y: auto;
padding: 10px;
}
.tree-item {
margin: 2px 0;
border: 1px solid #e1e4e8;
border-radius: 4px;
background: white;
cursor: pointer;
transition: all 0.2s;
}
.tree-item:hover {
border-color: #3498db;
box-shadow: 0 2px 4px rgba(52, 152, 219, 0.1);
}
.tree-item.selected {
border-color: #3498db;
background: #e8f4fd;
}
.tree-item.dragging {
opacity: 0.5;
transform: scale(0.95);
}
.tree-item-header {
padding: 8px 12px;
display: flex;
align-items: center;
gap: 8px;
}
.tree-item-expand {
width: 16px;
height: 16px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
border-radius: 2px;
font-size: 12px;
}
.tree-item-expand:hover {
background: #e1e4e8;
}
.tree-item-color {
width: 6px;
min-width: 6px;
height: 16px;
border-radius: 2px;
}
.tree-item-name {
flex: 1;
font-weight: 500;
}
.tree-item-type {
font-size: 11px;
color: #666;
background: #f1f3f4;
padding: 2px 6px;
border-radius: 3px;
}
.tree-item-actions {
display: flex;
gap: 4px;
opacity: 0;
transition: opacity 0.2s;
}
.tree-item:hover .tree-item-actions {
opacity: 1;
}
.tree-action-btn {
width: 20px;
height: 20px;
border: none;
background: transparent;
cursor: pointer;
border-radius: 3px;
display: flex;
align-items: center;
justify-content: center;
font-size: 12px;
color: #666;
transition: all 0.2s;
}
.tree-action-btn:hover {
background: #e1e4e8;
color: #333;
}
.tree-action-btn.add:hover {
background: #d4edda;
color: #155724;
}
.tree-action-btn.delete:hover {
background: #f8d7da;
color: #721c24;
}
.tree-item-children {
padding-left: 6px;
border-top: 1px solid #f1f3f4;
display: none;
}
.tree-item-children.expanded {
display: block;
}
.tree-actions {
padding: 10px;
border-top: 1px solid #e1e4e8;
display: flex;
gap: 8px;
}
/* Center Panel - Canvas */
.center-panel {
flex: 1;
display: flex;
flex-direction: column;
background: #fafafa;
}
.canvas-toolbar {
padding: 10px 15px;
background: white;
border-bottom: 1px solid #e1e4e8;
display: flex;
align-items: center;
gap: 15px;
}
.zoom-controls {
display: flex;
align-items: center;
gap: 8px;
}
.zoom-btn {
width: 32px;
height: 32px;
border: 1px solid #e1e4e8;
background: white;
border-radius: 4px;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-weight: bold;
}
.zoom-btn:hover {
background: #f6f8fa;
}
.zoom-level {
min-width: 60px;
text-align: center;
font-size: 14px;
}
.canvas-container {
flex: 1;
position: relative;
overflow: hidden;
}
#canvas {
background: white;
cursor: move;
}
/* Right Panel - Properties */
.right-panel {
width: 400px;
background: white;
border-left: 1px solid #e1e4e8;
display: flex;
flex-direction: column;
height: calc(100vh - 60px);
}
.properties-container {
flex: 1;
overflow-y: auto;
padding: 15px;
}
.property-group {
margin-bottom: 20px;
}
.property-group h3 {
font-size: 14px;
font-weight: 600;
margin-bottom: 10px;
color: #2c3e50;
}
.property-row {
margin-bottom: 12px;
}
.property-label {
display: block;
font-size: 12px;
font-weight: 500;
margin-bottom: 4px;
color: #555;
}
.property-input {
width: 100%;
padding: 8px;
border: 1px solid #e1e4e8;
border-radius: 4px;
font-size: 14px;
}
.property-input:focus {
outline: none;
border-color: #3498db;
box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}
.color-input {
width: 100%;
height: 40px;
border: 1px solid #e1e4e8;
border-radius: 4px;
cursor: pointer;
}
.textarea {
min-height: 80px;
resize: vertical;
font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
font-size: 13px;
}
.classes-container {
margin-bottom: 15px;
}
.class-item {
display: flex;
align-items: center;
gap: 8px;
padding: 6px;
background: #f8f9fa;
border-radius: 4px;
margin-bottom: 4px;
}
.class-checkbox {
margin: 0;
}
.class-name {
flex: 1;
font-size: 13px;
}
.class-actions {
display: flex;
gap: 4px;
}
.icon-btn {
width: 24px;
height: 24px;
border: none;
background: transparent;
cursor: pointer;
border-radius: 2px;
display: flex;
align-items: center;
justify-content: center;
font-size: 12px;
}
.icon-btn:hover {
background: #e9ecef;
}
.global-classes {
border-top: 1px solid #e1e4e8;
padding-top: 15px;
}
/* Drop Zones */
.drop-zone {
min-height: 30px;
border: 2px dashed transparent;
margin: 2px 0;
border-radius: 4px;
transition: all 0.2s;
}
.drop-zone.drag-over {
border-color: #3498db;
background: rgba(52, 152, 219, 0.1);
}
/* Modal */
.modal {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.5);
display: none;
align-items: center;
justify-content: center;
z-index: 2000;
}
.modal.show {
display: flex;
}
.modal-content {
background: white;
border-radius: 8px;
padding: 20px;
max-width: 500px;
width: 90%;
max-height: 80vh;
overflow-y: auto;
}
.modal-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 20px;
}
.modal-close {
background: none;
border: none;
font-size: 24px;
cursor: pointer;
color: #666;
}
/* Responsive */
@media (max-width: 1200px) {
.right-panel {
width: 300px;
}
}
@media (max-width: 900px) {
.left-panel {
width: 250px;
}
.right-panel {
width: 250px;
}
}
</style>
</head>
<body>
<div class="app-container">
<!-- Header -->
<div class="header">
<button class="back-button" onclick="goBack()">
<span class="back-arrow">←</span>
</button>
<h1>Hierarchy Tree Builder</h1>
<div class="header-actions">
<button class="btn btn-secondary" onclick="exportHierarchy()">
Export JSON
</button>
<button class="btn btn-secondary" onclick="importHierarchy()">
Import JSON
</button>
</div>
</div>
<!-- Main Content -->
<div class="main-content">
<!-- Left Panel - Tree Structure -->
<div class="left-panel">
<div class="panel-header">Hierarchy Tree</div>
<div class="tree-container" id="treeContainer">
<!-- Tree items will be generated here -->
</div>
<div class="tree-actions">
<button class="btn btn-primary" onclick="addRootElement()">
Add Root Element
</button>
</div>
</div>
<!-- Center Panel - Canvas -->
<div class="center-panel">
<div class="canvas-toolbar">
<div class="zoom-controls">
<button class="zoom-btn" onclick="zoomOut()">−</button>
<div class="zoom-level" id="zoomLevel">100%</div>
<button class="zoom-btn" onclick="zoomIn()">+</button>
<button class="btn btn-secondary" onclick="resetZoom()">
Reset zoom
</button>
</div>
<button class="btn btn-primary" onclick="renderLayout()">
Render Layout
</button>
</div>
<div class="canvas-container">
<canvas id="canvas"></canvas>
</div>
</div>
<!-- Right Panel - Properties -->
<div class="right-panel">
<div class="panel-header">Properties</div>
<div class="properties-container" id="propertiesContainer">
<div class="property-group">
<h3>Element Properties</h3>
<div class="property-row">
<label class="property-label">Name</label>
<input
type="text"
class="property-input"
id="elementName"
placeholder="Element name"
/>
</div>
<div class="property-row">
<label class="property-label">Anchor Tag</label>
<input
type="text"
class="property-input"
id="elementAnchor"
placeholder="anchor-tag"
/>
</div>
<div class="property-row">
<label class="property-label">Color</label>
<input
type="color"
class="color-input"
id="elementColor"
value="#3498db"
/>
</div>
<div class="property-row">
<label class="property-label">Base Width</label>
<input
type="number"
class="property-input"
id="elementWidth"
placeholder="Auto"
min="0"
/>
</div>
<div class="property-row">
<label class="property-label">Base Height</label>
<input
type="number"
class="property-input"
id="elementHeight"
placeholder="Auto"
min="0"
/>
</div>
</div>
<div class="property-group">
<h3>CSS Styles</h3>
<div class="property-row">
<label class="property-label">Inline Styles</label>
<textarea
class="property-input textarea"
id="elementStyles"
placeholder="display: column; gap: 10; padding: 20;"
></textarea>
</div>
</div>
<div class="property-group">
<h3>Applied Classes</h3>
<div class="classes-container" id="appliedClasses">
<!-- Applied classes will be shown here -->
</div>
</div>
<div class="property-group global-classes">
<h3>Global Classes</h3>
<div class="property-row">
<button class="btn btn-primary" onclick="addGlobalClass()">
Add Class
</button>
</div>
<div class="classes-container" id="globalClasses">
<!-- Global classes will be shown here -->
</div>
</div>
</div>
</div>
</div>
</div>
<!-- Class Editor Modal -->
<div class="modal" id="classModal">
<div class="modal-content">
<div class="modal-header">
<h3 id="modalTitle">Edit Class</h3>
<button class="modal-close" onclick="closeClassModal()">
×
</button>
</div>
<div class="property-row">
<label class="property-label">Class Name</label>
<input
type="text"
class="property-input"
id="modalClassName"
placeholder="class-name"
/>
</div>
<div class="property-row">
<label class="property-label">CSS Styles</label>
<textarea
class="property-input textarea"
id="modalClassStyles"
placeholder="display: horizontal; gap: 15; padding: 10;"
></textarea>
</div>
<div
style="
margin-top: 20px;
display: flex;
gap: 10px;
justify-content: flex-end;
"
>
<button class="btn btn-secondary" onclick="closeClassModal()">
Cancel
</button>
<button class="btn btn-primary" onclick="saveClass()">Save</button>
</div>
</div>
</div>
<script type="module">
// Import UILayout as ES6 module
import UILayout from "./ui_layout.js";
// Application State
let hierarchy = [];
let selectedElement = null;
let globalClasses = {};
let nextId = 1;
let zoom = 1;
let panX = 0;
let panY = 0;
let isDragging = false;
let dragStart = { x: 0, y: 0 };
let uiLayout = null;
// Color palette for depth-based coloring
const depthColorPalette = [
"#3498db", // Level 0 - Blue
"#e74c3c", // Level 1 - Red
"#f39c12", // Level 2 - Orange
"#2ecc71", // Level 3 - Green
"#9b59b6", // Level 4 - Purple
"#1abc9c", // Level 5 - Turquoise
"#34495e", // Level 6 - Dark Gray
"#e67e22", // Level 7 - Carrot
"#95a5a6", // Level 8 - Silver
"#f1c40f", // Level 9 - Yellow
];
// Common predefined classes
const commonClasses = {
grid: {
name: "grid",
styles:
"display: grid;\ncolumns: 2;\ngap: 10;\npadding: 10;\nfit-content: true;",
},
column: {
name: "column",
styles:
"display: column;\ngap: 10;\npadding: 10;\nalign-items: start;\nfit-content: true;",
},
row: {
name: "row",
styles:
"display: row;\ngap: 10;\npadding: 10;\nalign-items: center;\nfit-content: true;",
},
"flex-1": {
name: "flex-1",
styles: "flex-grow: 1;\nflex-shrink: 1;\nflex-basis: 0;",
},
"flex-2": {
name: "flex-2",
styles: "flex-grow: 2;\nflex-shrink: 1;\nflex-basis: 0;",
},
"flex-3": {
name: "flex-3",
styles: "flex-grow: 3;\nflex-shrink: 1;\nflex-basis: 0;",
},
center: {
name: "center",
styles: "align-items: center;\njustify-content: center;",
},
"center-h": {
name: "center-h",
styles: "justify-content: center;",
},
"center-v": {
name: "center-v",
styles: "align-items: center;",
},
"space-between": {
name: "space-between",
styles: "justify-content: space-between;",
},
"space-around": {
name: "space-around",
styles: "justify-content: space-around;",
},
"fill-width": {
name: "fill-width",
styles: "width: 100%;",
},
"fill-height": {
name: "fill-height",
styles: "height: 100%;",
},
"padding-sm": {
name: "padding-sm",
styles: "padding: 5;",
},
"padding-md": {
name: "padding-md",
styles: "padding: 10;",
},
"padding-lg": {
name: "padding-lg",
styles: "padding: 20;",
},
"margin-sm": {
name: "margin-sm",
styles: "margin: 5;",
},
"margin-md": {
name: "margin-md",
styles: "margin: 10;",
},
"margin-lg": {
name: "margin-lg",
styles: "margin: 20;",
},
};
// Get color for element based on depth
function getColorForDepth(element) {
const depth = getElementDepth(element);
return depthColorPalette[depth % depthColorPalette.length];
}
// Calculate element depth in hierarchy
function getElementDepth(element) {
let depth = 0;
let current = element.parent;
while (current) {
depth++;
current = current.parent;
}
return depth;
}
// Update colors for an element and all its descendants based on their new depth
function updateElementColors(element) {
element.color = getColorForDepth(element);
if (element.children) {
element.children.forEach((child) => updateElementColors(child));
}
}
// Initialize the application
function init() {
setupCanvas();
setupEventListeners();
initializeCommonClasses();
initializeUILayout();
addRootElement();
}
function initializeUILayout() {
// Initialize the UI layout engine
try {
uiLayout = new UILayout(null); // No runtime needed for rendering
console.log("UILayout initialized successfully");
} catch (error) {
console.error("UILayout initialization failed:", error);
uiLayout = null;
}
}
function initializeCommonClasses() {
// Add common classes to global classes if they don't exist
Object.keys(commonClasses).forEach((className) => {
if (!globalClasses[className]) {
globalClasses[className] = { ...commonClasses[className] };
}
});
}
function setupCanvas() {
const canvas = document.getElementById("canvas");
const container = canvas.parentElement;
function resizeCanvas() {
canvas.width = container.clientWidth;
canvas.height = container.clientHeight;
renderLayout();
}
resizeCanvas();
window.addEventListener("resize", resizeCanvas);
}
function setupEventListeners() {
const canvas = document.getElementById("canvas");
// Canvas panning
canvas.addEventListener("mousedown", startPan);
canvas.addEventListener("mousemove", pan);
canvas.addEventListener("mouseup", endPan);
canvas.addEventListener("wheel", handleWheel);
// Property inputs
document
.getElementById("elementName")
.addEventListener("input", updateElementProperty);
document
.getElementById("elementAnchor")
.addEventListener("input", updateElementProperty);
document
.getElementById("elementColor")
.addEventListener("input", updateElementProperty);
document
.getElementById("elementWidth")
.addEventListener("input", updateElementProperty);
document
.getElementById("elementHeight")
.addEventListener("input", updateElementProperty);
document
.getElementById("elementStyles")
.addEventListener("input", updateElementProperty);
}
// Canvas interaction
function startPan(e) {
isDragging = true;
dragStart.x = e.clientX - panX;
dragStart.y = e.clientY - panY;
document.getElementById("canvas").style.cursor = "grabbing";
}
function pan(e) {
if (!isDragging) return;
panX = e.clientX - dragStart.x;
panY = e.clientY - dragStart.y;
renderLayout();
}
function endPan() {
isDragging = false;
document.getElementById("canvas").style.cursor = "move";
}
function handleWheel(e) {
e.preventDefault();
const delta = e.deltaY > 0 ? 0.9 : 1.1;
zoom = Math.max(0.1, Math.min(3, zoom * delta));
updateZoomDisplay();
renderLayout();
}
function zoomIn() {
zoom = Math.min(3, zoom * 1.2);
updateZoomDisplay();
renderLayout();
}
function zoomOut() {
zoom = Math.max(0.1, zoom / 1.2);
updateZoomDisplay();
renderLayout();
}
function resetZoom() {
zoom = 1;
panX = 0;
panY = 0;
updateZoomDisplay();
renderLayout();
}
function updateZoomDisplay() {
document.getElementById("zoomLevel").textContent =
Math.round(zoom * 100) + "%";
}
// Element management
function addRootElement() {
const element = createNewElement("Root");
// Root elements get the first color in the palette
element.color = getColorForDepth(element);
hierarchy.push(element);
updateTreeDisplay();
selectElement(element);
}
function addChildElement() {
if (!selectedElement) {
alert("Please select a parent element first");
return;
}
const child = createNewElement("Child");
if (!selectedElement.children) {