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1336 lines (1180 loc) · 66.4 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Prime SQL ERD Generator</title>
<script src="https://cdn.tailwindcss.com"></script>
<link href="https://unpkg.com/boxicons@2.1.2/css/boxicons.min.css" rel="stylesheet" />
<style>
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
body { font-family: 'Inter', sans-serif; background-color: #f8fafc; }
.dark body { background-color: #353935; }
/* Grid background */
.canvas-bg {
background-size: 20px 20px;
background-image: radial-gradient(circle, #cbd5e1 1px, rgba(0, 0, 0, 0) 1px);
}
html.dark .canvas-bg {
background-image: radial-gradient(circle, #475569 1px, rgba(0, 0, 0, 0) 1px);
}
/* ERD Table Node */
.erd-table {
position: absolute;
background: white;
border-radius: 12px;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
border: 1px solid #e2e8f0;
cursor: move;
user-select: none;
min-width: 280px;
max-width: 720px;
width: max-content;
z-index: 10;
overflow: hidden;
transition: box-shadow 0.2s ease, border-color 0.2s ease, width 0.3s cubic-bezier(0.4, 0, 0.2, 1), height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
html.dark .erd-table {
background: #1e293b;
border-color: #334155;
color: #f1f5f9;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}
.erd-table.selected {
border-color: #3b82f6;
box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.4), 0 10px 15px -3px rgba(0, 0, 0, 0.1);
z-index: 20;
}
html.dark .erd-table.selected {
box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5), 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}
.canvas-container {
transform-origin: 0 0;
will-change: transform;
}
/* SVG lines */
#svg-layer {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: 5;
overflow: visible;
}
.nav-link.active::after {
content: '';
position: absolute;
bottom: -23px;
left: 0;
width: 100%;
height: 3px;
background-color: #2563eb;
border-radius: 9999px 9999px 0 0;
}
/* Custom scrollbars for records preview */
.custom-scrollbar::-webkit-scrollbar {
width: 6px;
height: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
background-color: rgba(156, 163, 175, 0.3);
border-radius: 3px;
}
html.dark .custom-scrollbar::-webkit-scrollbar-thumb {
background-color: rgba(71, 85, 105, 0.6);
}
</style>
</head>
<body class="flex flex-col h-screen w-screen overflow-hidden dark bg-transparent">
<!-- App Body -->
<div class="flex-1 flex overflow-hidden">
<!-- Sidebar Tools -->
<aside class="w-64 bg-white dark:bg-[#2b2d2b] border-r border-gray-200 dark:border-gray-700/50 flex flex-col z-40 shrink-0 relative transition-all duration-300" id="left-sidebar">
<div class="p-4 border-b border-gray-100 dark:border-gray-800 flex flex-col gap-3">
<h3 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-1 mt-1">Tools</h3>
<button onclick="addTable()" class="w-full py-2.5 px-3 bg-blue-600 hover:bg-blue-700 hover:shadow-[0_4px_12px_rgba(59,130,246,0.3)] text-white rounded-lg text-sm font-medium flex items-center justify-center gap-2 transition-all duration-300 ease-out transform hover:-translate-y-0.5 hover:scale-[1.02] active:translate-y-0 active:scale-[0.98] shadow-sm">
<i class="bx bx-plus"></i> Add Table
</button>
</div>
<div class="p-4 border-b border-gray-100 dark:border-gray-800">
<h3 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-3">Import / Export</h3>
<div class="space-y-2">
<button onclick="document.getElementById('import-sql').click()" class="w-full py-2 px-3 bg-gray-50 border border-transparent hover:border-blue-500/30 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 text-gray-700 dark:text-gray-300 rounded-lg text-sm font-medium flex items-center justify-start gap-2 transition-all duration-300 ease-out transform hover:-translate-y-0.5 hover:scale-[1.02] active:translate-y-0 active:scale-[0.98] shadow-sm">
<i class="bx bx-import text-blue-500"></i> Import SQL
</button>
<input type="file" id="import-sql" accept=".sql" class="hidden" onchange="importSQL(event)">
<button onclick="exportSQL()" class="w-full py-2 px-3 bg-gray-50 border border-transparent hover:border-emerald-500/30 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 text-gray-700 dark:text-gray-300 rounded-lg text-sm font-medium flex items-center justify-start gap-2 transition-all duration-300 ease-out transform hover:-translate-y-0.5 hover:scale-[1.02] active:translate-y-0 active:scale-[0.98] shadow-sm">
<i class="bx bx-export text-emerald-500"></i> Export SQL
</button>
<button onclick="exportJSON()" class="w-full py-2 px-3 bg-gray-50 border border-transparent hover:border-yellow-500/30 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 text-gray-700 dark:text-gray-300 rounded-lg text-sm font-medium flex items-center justify-start gap-2 transition-all duration-300 ease-out transform hover:-translate-y-0.5 hover:scale-[1.02] active:translate-y-0 active:scale-[0.98] shadow-sm">
<i class="bx bxs-file-json text-yellow-500"></i> Save JSON
</button>
<button onclick="document.getElementById('load-json').click()" class="w-full py-2 px-3 bg-gray-50 border border-transparent hover:border-orange-500/30 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 text-gray-700 dark:text-gray-300 rounded-lg text-sm font-medium flex items-center justify-start gap-2 transition-all duration-300 ease-out transform hover:-translate-y-0.5 hover:scale-[1.02] active:translate-y-0 active:scale-[0.98] shadow-sm">
<i class="bx bx-folder-open text-orange-500"></i> Load JSON
</button>
<input type="file" id="load-json" accept=".json" class="hidden" onchange="loadJSON(event)">
<button onclick="clearCanvas()" class="w-full mt-2 py-2 px-3 bg-red-50 border border-transparent hover:border-red-500/30 hover:bg-red-100 dark:bg-red-900/10 dark:hover:bg-red-900/30 text-red-600 dark:text-red-400 rounded-lg text-sm font-medium flex items-center justify-start gap-2 transition-all duration-300 ease-out transform hover:-translate-y-0.5 hover:scale-[1.02] active:translate-y-0 active:scale-[0.98] shadow-sm">
<i class="bx bx-trash"></i> Clear Canvas
</button>
</div>
</div>
<div class="flex-1 overflow-auto p-4">
<h3 class="text-xs font-bold text-gray-400 uppercase tracking-wider mb-3">Tables</h3>
<div id="table-list" class="space-y-1">
<!-- List of tables generated here -->
</div>
</div>
</aside>
<!-- Canvas Area -->
<main class="flex-1 relative overflow-hidden bg-gray-50 dark:bg-[#1a1c1a] canvas-bg outline-none" id="main-canvas" tabindex="0" onmousedown="startPan(event)">
<div id="canvas-container" class="canvas-container w-full h-full relative" style="transform: translate(0px, 0px) scale(1);">
<!-- SVG Layer for relationships -->
<svg id="svg-layer"></svg>
<!-- Tables appended here -->
</div>
<!-- Zoom Controls -->
<div class="absolute bottom-6 left-6 bg-white dark:bg-gray-800 rounded-lg shadow-lg border border-gray-200 dark:border-gray-700 flex items-center p-1 z-30">
<button onclick="zoomOut()" class="w-8 h-8 flex items-center justify-center text-gray-500 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-md"><i class="bx bx-minus"></i></button>
<div id="zoom-level" class="px-2 text-xs font-medium text-gray-600 dark:text-gray-300">100%</div>
<button onclick="zoomIn()" class="w-8 h-8 flex items-center justify-center text-gray-500 hover:bg-gray-100 dark:hover:bg-gray-700 rounded-md"><i class="bx bx-plus"></i></button>
</div>
</main>
<!-- Right Side Properties Panel -->
<aside id="properties-panel" class="w-80 bg-white dark:bg-[#2b2d2b] border-l border-gray-200 dark:border-gray-700/50 flex flex-col z-40 shrink-0 hidden shadow-xl">
<div class="p-4 border-b border-gray-100 dark:border-gray-800 flex justify-between items-center bg-gray-50 dark:bg-gray-800/50">
<h2 class="text-sm font-semibold text-gray-800 dark:text-gray-200" id="prop-title">Table Properties</h2>
<button onclick="closeProperties()" class="text-gray-400 hover:text-gray-600 dark:hover:text-gray-200">
<i class="bx bx-x text-2xl"></i>
</button>
</div>
<div class="flex-1 overflow-y-auto p-4" id="prop-body">
<!-- Dynamic Content (table edit or col edit) -->
</div>
<div class="p-4 border-t border-gray-200 dark:border-gray-700 bg-gray-50 dark:bg-[#2b2d2b]" id="prop-footer">
</div>
</aside>
</div>
<!-- Unified Modal -->
<div id="app-modal" class="fixed inset-0 bg-black/50 z-[100] hidden items-center justify-center backdrop-blur-sm">
<div class="bg-white dark:bg-[#2b2d2b] w-full max-w-sm p-6 rounded-2xl shadow-2xl border border-gray-200 dark:border-gray-700/50 transform scale-95 opacity-0 transition-all duration-200" id="app-modal-content">
<h3 class="text-lg font-bold text-gray-900 dark:text-white mb-2" id="modal-title">Title</h3>
<div class="text-sm text-gray-600 dark:text-gray-400 mb-4" id="modal-body">Body</div>
<div id="modal-input-container" class="hidden mb-4">
<!-- For prompts or custom selects -->
</div>
<div class="flex justify-end gap-2" id="modal-footer">
<button id="modal-btn-cancel" class="px-4 py-2 rounded-lg text-sm font-medium text-gray-600 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-gray-800 transition-colors hidden">Cancel</button>
<button id="modal-btn-confirm" class="px-4 py-2 rounded-lg text-sm font-medium bg-blue-600 hover:bg-blue-700 text-white transition-colors">OK</button>
</div>
</div>
</div>
<script>
const AppModal = {
show(options) {
return new Promise((resolve) => {
const el = document.getElementById('app-modal');
const content = document.getElementById('app-modal-content');
const title = document.getElementById('modal-title');
const body = document.getElementById('modal-body');
const inputContainer = document.getElementById('modal-input-container');
const cancelBtn = document.getElementById('modal-btn-cancel');
const confirmBtn = document.getElementById('modal-btn-confirm');
title.innerText = options.title || 'Message';
body.innerHTML = options.body || '';
inputContainer.classList.add('hidden');
inputContainer.innerHTML = '';
cancelBtn.classList.add('hidden');
if(options.type === 'confirm' || options.type === 'prompt' || options.type === 'custom') {
cancelBtn.classList.remove('hidden');
}
if (options.type === 'prompt') {
inputContainer.classList.remove('hidden');
inputContainer.innerHTML = `<input type="text" id="modal-prompt-input" class="w-full bg-gray-50 dark:bg-gray-800 border border-gray-300 dark:border-gray-600 rounded px-3 py-2 text-sm dark:text-white outline-none focus:border-blue-500" placeholder="${options.placeholder || ''}" value="${options.defaultValue || ''}">`;
} else if (options.type === 'custom') {
inputContainer.classList.remove('hidden');
inputContainer.innerHTML = options.customHtml;
}
const close = (result) => {
content.classList.remove('scale-100', 'opacity-100');
content.classList.add('scale-95', 'opacity-0');
setTimeout(() => {
el.classList.add('hidden');
el.classList.remove('flex');
resolve(result);
}, 200);
};
cancelBtn.onclick = () => close(null);
confirmBtn.onclick = () => {
if (options.type === 'prompt') {
close(document.getElementById('modal-prompt-input').value);
} else if (options.type === 'custom' && options.getCustomValue) {
close(options.getCustomValue());
} else {
close(true);
}
};
if (options.type === 'prompt' || options.type === 'custom') {
confirmBtn.innerText = 'Save';
confirmBtn.className = 'px-4 py-2 rounded-lg text-sm font-medium bg-blue-600 hover:bg-blue-700 text-white transition-colors';
} else if (options.type === 'confirm') {
confirmBtn.innerText = 'Confirm';
if (options.danger) {
confirmBtn.className = 'px-4 py-2 rounded-lg text-sm font-medium bg-red-600 hover:bg-red-700 text-white transition-colors';
} else {
confirmBtn.className = 'px-4 py-2 rounded-lg text-sm font-medium bg-blue-600 hover:bg-blue-700 text-white transition-colors';
}
} else {
confirmBtn.innerText = 'OK';
confirmBtn.className = 'px-4 py-2 rounded-lg text-sm font-medium bg-blue-600 hover:bg-blue-700 text-white transition-colors';
}
el.classList.remove('hidden');
el.classList.add('flex');
// Trigger reflow
void el.offsetWidth;
content.classList.remove('scale-95', 'opacity-0');
content.classList.add('scale-100', 'opacity-100');
if (options.type === 'prompt') {
setTimeout(() => document.getElementById('modal-prompt-input').focus(), 250);
}
});
}
};
// State
let isSyncingFromParent = false;
let tables = [];
let relationships = [];
let pan = { x: 0, y: 0 };
let scale = 1;
let isDragging = false;
let isPanning = false;
let startX, startY;
let selectedTableId = null;
let draggedTableId = null;
let autoIncId = 1;
window.tableRowsCollapsedState = {};
window.toggleTableRowsData = function(tableId) {
window.tableRowsCollapsedState[tableId] = !window.tableRowsCollapsedState[tableId];
renderTables();
};
window.addBlankRecordInline = function(tableId) {
const table = tables.find(t => t.id === tableId);
if (!table) return;
const newRec = {};
table.columns.forEach(c => {
newRec[c.id] = '';
});
if (!table.records) table.records = [];
table.records.push(newRec);
// Expand the rows automatically so they can see the new row immediately
window.tableRowsCollapsedState[tableId] = false;
saveState();
renderTables();
// Auto focus on the first cell in that newly added row
setTimeout(() => {
const container = document.getElementById(`table-rows-data-container-${tableId}`);
if (container) {
const lastRow = container.querySelector('tbody tr:last-child');
if (lastRow) {
const firstCell = lastRow.querySelector('td');
if (firstCell) {
firstCell.click();
}
}
}
}, 100);
};
window.deleteRowInline = function(event, tableId, recIndex) {
event.stopPropagation();
const table = tables.find(t => t.id === tableId);
if (!table || !table.records) return;
table.records.splice(recIndex, 1);
saveState();
renderTables();
};
window.editCellInline = function(event, tableId, recordIndex, colId) {
event.stopPropagation();
const cell = event.currentTarget;
if (cell.querySelector('input')) return; // Already editing page cell
const currentVal = cell.textContent.trim() === 'null' ? '' : cell.textContent.trim();
// Create nice inline editing input field
const input = document.createElement('input');
input.type = 'text';
input.value = currentVal;
// Style input beautifully
input.className = 'bg-blue-50/80 dark:bg-slate-800 border border-blue-500 rounded px-1.5 py-0.5 text-[9.5px] font-mono text-gray-900 dark:text-white outline-none focus:ring-1 focus:ring-blue-400 transition-all';
// Set dynamic fitting width
input.style.width = Math.max(currentVal.length + 2, 8) + 'ch';
input.style.minWidth = '60px';
input.style.maxWidth = '280px';
input.oninput = () => {
input.style.width = Math.max(input.value.length + 2, 8) + 'ch';
};
cell.innerHTML = '';
cell.appendChild(input);
input.focus();
input.select();
let finished = false;
const saveAndExit = () => {
if (finished) return;
finished = true;
const newVal = input.value.trim();
const table = tables.find(t => t.id === tableId);
if (table && table.records && table.records[recordIndex]) {
table.records[recordIndex][colId] = newVal;
saveState();
renderTables();
}
};
input.onblur = () => {
saveAndExit();
};
input.onkeydown = (e) => {
if (e.key === 'Enter') {
e.stopPropagation();
saveAndExit();
} else if (e.key === 'Escape') {
e.stopPropagation();
finished = true;
renderTables(); // re-render to revert
}
};
input.onmousedown = (e) => {
e.stopPropagation(); // prevent drag
};
};
// Theme toggle
function toggleTheme() {
document.documentElement.classList.toggle('dark');
const isDark = document.documentElement.classList.contains('dark');
try { localStorage.setItem('theme', isDark ? 'dark' : 'light'); } catch(e){}
renderRelationships(); // Redraw lines for color config update
}
// Initial setup
window.onload = () => {
try {
if (localStorage.getItem('theme') === 'light') {
document.documentElement.classList.remove('dark');
} else {
document.documentElement.classList.add('dark');
}
} catch(e) {}
loadState();
// Listeners for zoom & pan
const mainCanvas = document.getElementById('main-canvas');
mainCanvas.addEventListener('wheel', handleWheel, { passive: false });
window.addEventListener('mousemove', handleMouseMove);
window.addEventListener('mouseup', handleMouseUp);
window.addEventListener('keydown', handleKeyDown);
// Listen for theme changes from parent/other tabs
window.addEventListener('storage', (e) => {
if(e.key === 'theme') {
if(e.newValue === 'light') {
document.documentElement.classList.remove('dark');
} else {
document.documentElement.classList.add('dark');
}
renderRelationships();
}
});
// Try to communicate with parent for real-time theme switch (if iframe)
window.addEventListener('message', (e) => {
if (e.data && e.data.type === 'theme') {
if (e.data.theme === 'light') {
document.documentElement.classList.remove('dark');
} else {
document.documentElement.classList.add('dark');
}
renderRelationships();
} else if (e.data && e.data.type === 'request_sql') {
if (window.parent && window.parent !== window) {
window.parent.postMessage({
type: 'erd_updated',
sql: generateSQLText(),
tables: tables,
relationships: relationships
}, '*');
}
} else if (e.data && e.data.type === 'sync_from_sqlite') {
const dbState = e.data.state;
if (!dbState || !dbState.tables) return;
isSyncingFromParent = true;
const updatedTables = [];
let offsetY = 80;
let offsetX = 80;
dbState.tables.forEach(dbTable => {
const existingTbl = tables.find(t => t.name.toLowerCase() === dbTable.name.toLowerCase());
const tblId = existingTbl ? existingTbl.id : generateId();
let tblX = existingTbl ? existingTbl.x : offsetX;
let tblY = existingTbl ? existingTbl.y : offsetY;
if (!existingTbl) {
offsetX += 280;
if (offsetX > 900) {
offsetX = 80;
offsetY += 280;
}
}
// Map columns
const cols = dbTable.columns.map(dbCol => {
let colId = generateColId();
if (existingTbl) {
const existingCol = existingTbl.columns.find(c => c.name.toLowerCase() === dbCol.name.toLowerCase());
if (existingCol) colId = existingCol.id;
}
return {
id: colId,
name: dbCol.name,
type: (dbCol.type || 'INTEGER').toUpperCase(),
isPk: !!dbCol.pk
};
});
// Map records
const records = (dbTable.rows || []).map(row => {
const rec = {};
dbTable.columns.forEach((dbCol, idx) => {
const colItem = cols[idx];
rec[colItem.id] = row[idx];
});
return rec;
});
updatedTables.push({
id: tblId,
name: dbTable.name,
x: tblX,
y: tblY,
columns: cols,
records: records
});
});
tables = updatedTables;
// Reconstruct relationships
const newRelationships = [];
dbState.tables.forEach(dbTable => {
const fromTbl = tables.find(t => t.name.toLowerCase() === dbTable.name.toLowerCase());
if (!fromTbl || !dbTable.foreign_keys) return;
dbTable.foreign_keys.forEach(fk => {
const toTbl = tables.find(t => t.name.toLowerCase() === fk.table.toLowerCase());
if (!toTbl) return;
const fromColObj = fromTbl.columns.find(c => c.name.toLowerCase() === fk.from.toLowerCase());
const toColObj = toTbl.columns.find(c => c.name.toLowerCase() === fk.to.toLowerCase());
if (fromColObj && toColObj) {
newRelationships.push({
fromTable: fromTbl.id,
fromCol: fromColObj.id,
toTable: toTbl.id,
toCol: toColObj.id,
type: '1:N'
});
}
});
});
relationships = newRelationships;
saveState();
renderTables();
isSyncingFromParent = false;
}
});
};
function handleKeyDown(e) {
// Check if we are inside an input to prevent overriding text deletion
if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA' || e.target.tagName === 'SELECT') {
return;
}
if ((e.key === 'Backspace' || e.key === 'Delete') && selectedTableId) {
e.preventDefault();
deleteTable(selectedTableId);
}
}
function generateId() {
return 'tbl_' + Date.now() + '_' + Math.floor(Math.random() * 1000);
}
function generateColId() {
return 'col_' + Date.now() + '_' + Math.floor(Math.random() * 1000);
}
// Data Management
function saveState() {
renderTableList();
renderRelationships();
if (!isSyncingFromParent) {
if (window.parent && window.parent !== window) {
window.parent.postMessage({
type: 'erd_updated',
sql: generateSQLText(),
tables: tables,
relationships: relationships
}, '*');
}
}
}
function loadState() {
tables = [];
relationships = [];
pan = {x: 0, y: 0};
scale = 1;
autoIncId = 1;
updateCanvasTransform();
renderTables();
}
// Canvas Interactions
function handleWheel(e) {
if (e.ctrlKey || e.metaKey) {
e.preventDefault();
const zoomFactor = 0.05;
if (e.deltaY < 0) zoomIn(zoomFactor);
else zoomOut(zoomFactor);
}
}
function zoomIn(amount = 0.1) {
scale = Math.min(3, scale + amount);
updateCanvasTransform();
}
function zoomOut(amount = 0.1) {
scale = Math.max(0.2, scale - amount);
updateCanvasTransform();
}
function updateCanvasTransform() {
document.getElementById('canvas-container').style.transform = `translate(${pan.x}px, ${pan.y}px) scale(${scale})`;
document.getElementById('zoom-level').innerText = Math.round(scale * 100) + '%';
saveState();
}
function startPan(e) {
// Middle click or clicking on background
if (e.button === 1 || (!e.target.closest('.erd-table') && !e.target.closest('button'))) {
document.getElementById('main-canvas').focus();
isPanning = true;
startX = e.clientX - pan.x;
startY = e.clientY - pan.y;
document.getElementById('main-canvas').style.cursor = 'grabbing';
closeProperties();
selectedTableId = null;
renderTables();
}
}
function startTableDrag(e, tableId) {
if(e.button !== 0) return; // Only left click
// Don't drag if clicking buttons or inputs inside table
if(['BUTTON', 'INPUT', 'SELECT', 'I'].includes(e.target.tagName)) return;
document.getElementById('main-canvas').focus();
isDragging = true;
draggedTableId = tableId;
const t = tables.find(t => t.id === tableId);
startX = e.clientX / scale - t.x;
startY = e.clientY / scale - t.y;
selectedTableId = tableId;
renderTables();
openTableProperties(tableId);
e.stopPropagation();
}
function handleMouseMove(e) {
if (isPanning) {
pan.x = e.clientX - startX;
pan.y = e.clientY - startY;
updateCanvasTransform();
} else if (isDragging && draggedTableId) {
const t = tables.find(t => t.id === draggedTableId);
if (t) {
t.x = e.clientX / scale - startX;
t.y = e.clientY / scale - startY;
// Snap to grid (20px)
t.x = Math.round(t.x / 20) * 20;
t.y = Math.round(t.y / 20) * 20;
const el = document.getElementById(t.id);
if(el) {
el.style.left = t.x + 'px';
el.style.top = t.y + 'px';
}
renderRelationships();
}
}
}
function handleMouseUp() {
if (isPanning) {
isPanning = false;
document.getElementById('main-canvas').style.cursor = 'default';
}
if (isDragging) {
isDragging = false;
draggedTableId = null;
saveState();
}
}
// Table Operations
function addTable(isInit = false) {
const num = autoIncId++;
const t = {
id: generateId(),
name: 'table_' + num,
x: -pan.x / scale + 100,
y: -pan.y / scale + 100,
columns: [
{ id: generateColId(), name: 'id', type: 'INTEGER', isPk: true, isFk: null }
],
records: []
};
tables.push(t);
if(!isInit) {
selectedTableId = t.id;
saveState();
renderTables();
openTableProperties(t.id);
}
}
async function deleteTable(id) {
const confirmed = await AppModal.show({
type: 'confirm',
title: 'Delete Table',
body: 'Delete this table? This action cannot be undone.',
danger: true
});
if(confirmed) {
tables = tables.filter(t => t.id !== id);
relationships = relationships.filter(r => r.fromTable !== id && r.toTable !== id);
selectedTableId = null;
closeProperties();
saveState();
renderTables();
}
}
function addColumn(tableId) {
const table = tables.find(t => t.id === tableId);
if(table) {
table.columns.push({ id: generateColId(), name: 'new_col', type: 'VARCHAR', isPk: false, isFk: null });
saveState();
renderTables();
openTableProperties(tableId);
}
}
function deleteColumn(tableId, colId) {
const table = tables.find(t => t.id === tableId);
if(table) {
table.columns = table.columns.filter(c => c.id !== colId);
// Remove relationships
relationships = relationships.filter(r => !(r.fromTable === tableId && r.fromCol === colId) && !(r.toTable === tableId && r.toCol === colId));
saveState();
renderTables();
openTableProperties(tableId);
}
}
// UI Renderers
function renderTables() {
const container = document.getElementById('canvas-container');
// Remove existing tables
document.querySelectorAll('.erd-table').forEach(e => e.remove());
tables.forEach(t => {
const isSel = t.id === selectedTableId;
const el = document.createElement('div');
el.className = `erd-table flex flex-col ${isSel ? 'selected' : ''}`;
el.id = t.id;
el.style.left = t.x + 'px';
el.style.top = t.y + 'px';
el.onmousedown = (e) => startTableDrag(e, t.id);
let colsHtml = '';
t.columns.forEach(c => {
const fkRel = relationships.find(r => r.fromTable === t.id && r.fromCol === c.id);
let icons = '';
if(c.isPk) icons += '<i class="bx bxs-key text-yellow-500" title="Primary Key"></i>';
if(fkRel) icons += '<i class="bx bx-link text-blue-500" title="Foreign Key"></i>';
colsHtml += `
<div class="px-3 py-2 flex justify-between items-center border-t border-gray-100 dark:border-slate-700/50 text-[13px] hover:bg-blue-50/50 dark:hover:bg-slate-800/50 transition-colors col-row" data-colid="${c.id}">
<div class="flex items-center text-gray-700 dark:text-slate-300 font-medium tracking-tight whitespace-nowrap overflow-hidden text-ellipsis mr-2">
${icons} <span class="ml-1">${c.name}</span>
</div>
<div class="text-[10px] text-gray-500 dark:text-slate-400 font-mono bg-gray-100 dark:bg-slate-800 px-1.5 py-0.5 rounded uppercase tracking-wider">${c.type}</div>
</div>
`;
});
let rowsHtml = '';
if (t.records && t.records.length > 0) {
const isCollapsed = !!window.tableRowsCollapsedState[t.id];
rowsHtml = `
<div class="border-t border-gray-200 dark:border-slate-700/60 bg-gray-50/40 dark:bg-slate-900/25">
<button onclick="toggleTableRowsData('${t.id}'); event.stopPropagation();" class="w-full px-3 py-1.5 hover:bg-gray-100 dark:hover:bg-slate-800/40 text-[10px] text-gray-500 dark:text-slate-400 font-bold tracking-wider flex justify-between items-center transition-colors">
<span class="flex items-center gap-1 uppercase">
<i class="bx bx-grid-alt text-blue-500"></i> Records Data (${t.records.length})
</span>
<i class="bx ${isCollapsed ? 'bx-chevron-right' : 'bx-chevron-down'} text-xs"></i>
</button>
<div id="table-rows-data-container-${t.id}" class="${isCollapsed ? 'hidden' : 'block'} overflow-x-auto max-h-64 max-w-full border-t border-gray-200/50 dark:border-slate-800/50 custom-scrollbar font-sans">
<table class="w-full text-left border-collapse table-auto">
<thead class="bg-gray-100/60 dark:bg-slate-900/50 border-b border-gray-150 dark:border-slate-800">
<tr>
${t.columns.map(c => `
<th class="py-1.5 px-3.5 font-bold text-[9px] uppercase font-mono tracking-tight text-gray-500 dark:text-slate-400 border-r border-gray-200/50 dark:border-slate-800/50 whitespace-nowrap" style="min-width: 90px;">
${c.name}
</th>
`).join('')}
<th class="py-1 px-1 font-bold text-[9px] text-center uppercase tracking-tight text-gray-500 dark:text-slate-400 w-6"></th>
</tr>
</thead>
<tbody class="divide-y divide-gray-100 dark:divide-slate-800/40">
${t.records.map((rec, recIndex) => `
<tr class="hover:bg-blue-500/5 dark:hover:bg-blue-500/10 transition-colors group/row">
${t.columns.map(c => `
<td class="py-1.5 px-3.5 border-r border-gray-150/10 dark:border-slate-800/30 whitespace-nowrap font-mono text-[9.5px] text-gray-700 dark:text-slate-300 cursor-pointer hover:bg-blue-50 dark:hover:bg-slate-700/50 transition-all text-ellipsis overflow-hidden select-text"
style="min-width: 90px; max-width: 240px;"
onclick="editCellInline(event, '${t.id}', ${recIndex}, '${c.id}')"
title="Click to edit value">
${rec[c.id] !== null && rec[c.id] !== undefined && String(rec[c.id]).trim() !== '' ? String(rec[c.id]) : '<span class="text-gray-350 dark:text-slate-600 italic">null</span>'}
</td>
`).join('')}
<td class="py-1 px-1 text-center whitespace-nowrap">
<button onclick="deleteRowInline(event, '${t.id}', ${recIndex})" class="text-gray-400 hover:text-red-500 transition-colors opacity-0 group-hover/row:opacity-100 p-0.5 rounded" title="Delete row">
<i class="bx bx-trash text-[10px]"></i>
</button>
</td>
</tr>
`).join('')}
</tbody>
</table>
</div>
</div>
`;
} else {
rowsHtml = `
<div class="border-t border-gray-150 dark:border-slate-700/60 px-3 py-2.5 bg-gray-50/10 dark:bg-slate-900/5 text-[10px] text-gray-400 dark:text-slate-500 italic text-center flex flex-col items-center justify-center gap-1">
<span>No records yet in database</span>
<button onclick="addBlankRecordInline('${t.id}'); event.stopPropagation();" class="text-[9px] text-blue-500 hover:underline"><i class="bx bx-plus"></i> Add first record</button>
</div>
`;
}
el.innerHTML = `
<div class="px-3 py-2.5 bg-gradient-to-b from-gray-50 to-gray-100 dark:from-slate-800 dark:to-slate-900 border-b border-gray-200 dark:border-slate-700 flex justify-between items-center cursor-move">
<span class="font-bold text-sm text-gray-800 dark:text-gray-100 flex items-center gap-1.5 tracking-wide">
<i class="bx bx-table text-blue-500/80 dark:text-blue-400"></i> ${t.name}
</span>
<div class="flex gap-1">
<button onclick="addColumn('${t.id}'); event.stopPropagation();" class="text-[10px] text-gray-400 dark:text-gray-500 hover:text-blue-500 dark:hover:text-blue-400 transition-colors rounded px-1.5 py-0.5 border border-dashed border-gray-300 dark:border-slate-700 hover:border-blue-500/40 flex items-center gap-0.5" title="Add Column"><i class="bx bx-plus text-xs"></i>Col</button>
<button onclick="addBlankRecordInline('${t.id}'); event.stopPropagation();" class="text-[10px] text-gray-400 dark:text-gray-500 hover:text-emerald-500 dark:hover:text-emerald-400 transition-colors rounded px-1.5 py-0.5 border border-dashed border-gray-300 dark:border-slate-700 hover:border-emerald-500/40 flex items-center gap-0.5" title="Add Row/Record"><i class="bx bx-plus text-xs"></i>Row</button>
</div>
</div>
<div class="flex flex-col bg-white dark:bg-[#1e293b]">
${colsHtml}
</div>
${rowsHtml}
`;
container.appendChild(el);
});
renderTableList();
setTimeout(renderRelationships, 10);
}
function renderTableList() {
const list = document.getElementById('table-list');
list.innerHTML = '';
tables.forEach(t => {
const btn = document.createElement('button');
btn.className = `w-full text-left px-3 py-2 rounded flex items-center justify-between text-sm ${t.id === selectedTableId ? 'bg-blue-50 dark:bg-blue-500/10 text-blue-600 dark:text-blue-400' : 'text-gray-600 dark:text-gray-400 hover:bg-gray-50 dark:hover:bg-gray-800'}`;
btn.innerHTML = `<span class="truncate"><i class="bx bx-table mr-2"></i>${t.name}</span> <span class="text-xs bg-gray-200 dark:bg-gray-700 rounded px-1.5 py-0.5">${t.columns.length}</span>`;
btn.onclick = () => {
selectedTableId = t.id;
// Center on table
pan.x = -t.x * scale + (window.innerWidth / 2) - 140;
pan.y = -t.y * scale + (window.innerHeight / 2);
updateCanvasTransform();
renderTables();
openTableProperties(t.id);
};
list.appendChild(btn);
});
}
function renderRelationships() {
const svg = document.getElementById('svg-layer');
svg.innerHTML = '';
const isDark = document.documentElement.classList.contains('dark');
const lineColor = isDark ? '#64748b' : '#94a3b8';
const activeColor = '#3b82f6';
// SVG Markers
svg.innerHTML = `
<defs>
<marker id="arrow-${isDark?'dark':'light'}" viewBox="0 0 10 10" refX="10" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
<path d="M 0 0 L 10 5 L 0 10 z" fill="${lineColor}"/>
</marker>
<marker id="arrow-active" viewBox="0 0 10 10" refX="10" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
<path d="M 0 0 L 10 5 L 0 10 z" fill="${activeColor}"/>
</marker>
<!-- Dot for One-to-Many -->
<marker id="dot-${isDark?'dark':'light'}" viewBox="0 0 10 10" refX="5" refY="5" markerWidth="5" markerHeight="5">
<circle cx="5" cy="5" r="5" fill="${lineColor}"/>
</marker>
</defs>
`;
relationships.forEach(rel => {
const fromTbl = document.getElementById(rel.fromTable);
const toTbl = document.getElementById(rel.toTable);
if(!fromTbl || !toTbl) return;
const fromColEl = fromTbl.querySelector(`[data-colid="${rel.fromCol}"]`);
const toColEl = toTbl.querySelector(`[data-colid="${rel.toCol}"]`);
if(!fromColEl || !toColEl) return;
// Calculate relative positions inside canvas
const r1 = fromColEl.getBoundingClientRect();
const r2 = toColEl.getBoundingClientRect();
const mainRect = document.getElementById('main-canvas').getBoundingClientRect();
// Convert back from scaled/panned screen coords to logical canvas coords
const getCanvasCoords = (rect, isRight) => {
return {
x: (rect.left - mainRect.left - pan.x) / scale + (isRight ? rect.width / scale: 0),
y: (rect.top - mainRect.top - pan.y) / scale + (rect.height / 2) / scale
};
};
const startIsRight = r1.left < r2.left; // simple heuristic
const p1 = getCanvasCoords(r1, startIsRight);
const p2 = getCanvasCoords(r2, !startIsRight);
// Curving
const cpOffset = Math.max(Math.abs(p2.x - p1.x) / 2, 50);
const pathStr = `M ${p1.x} ${p1.y} C ${p1.x + (startIsRight ? cpOffset : -cpOffset)} ${p1.y}, ${p2.x + (!startIsRight ? cpOffset : -cpOffset)} ${p2.y}, ${p2.x} ${p2.y}`;
const path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
path.setAttribute('d', pathStr);
const isActive = (selectedTableId === rel.fromTable || selectedTableId === rel.toTable);
path.setAttribute('stroke', isActive ? activeColor : lineColor);
path.setAttribute('stroke-width', isActive ? '2' : '1.5');
path.setAttribute('fill', 'none');
if(rel.type === '1:N') {
path.setAttribute('marker-end', isActive ? 'url(#arrow-active)' : `url(#arrow-${isDark?'dark':'light'})`);
// we remove marker-start dot as we will draw actual nodes
} else if(rel.type === '1:1') {
path.setAttribute('stroke-dasharray', '5,5');
}
svg.appendChild(path);
// Draw solid connection nodes at both ends
const node1 = document.createElementNS('http://www.w3.org/2000/svg', 'circle');
node1.setAttribute('cx', p1.x);
node1.setAttribute('cy', p1.y);
node1.setAttribute('r', '4');
node1.setAttribute('fill', isDark ? '#1a1c1a' : '#ffffff');
node1.setAttribute('stroke', isActive ? activeColor : lineColor);
node1.setAttribute('stroke-width', '2');
const node2 = document.createElementNS('http://www.w3.org/2000/svg', 'circle');
node2.setAttribute('cx', p2.x);
node2.setAttribute('cy', p2.y);
node2.setAttribute('r', '4');
node2.setAttribute('fill', isActive ? activeColor : lineColor);
svg.appendChild(node1);
svg.appendChild(node2);
});
}
// Properties Panel (Table/Column Edit)
function openTableProperties(tableId) {
const table = tables.find(t => t.id === tableId);
if(!table) return;
const panel = document.getElementById('properties-panel');
const body = document.getElementById('prop-body');
const foot = document.getElementById('prop-footer');
panel.classList.remove('hidden');
let types = ['INTEGER', 'VARCHAR', 'TEXT', 'DATE', 'DATETIME', 'BOOLEAN', 'FLOAT', 'DECIMAL'];
let html = `
<div class="mb-4">
<label class="block text-xs font-medium text-gray-500 mb-1">Table Name</label>
<input type="text" value="${table.name}" onchange="updateTableName('${table.id}', this.value)" class="w-full bg-white dark:bg-gray-800 border border-gray-300 dark:border-gray-600 rounded px-3 py-1.5 text-sm dark:text-white outline-none focus:border-blue-500">
</div>
<div class="mb-2 flex justify-between items-center">
<label class="block text-xs font-bold text-gray-500 uppercase">Columns</label>
<button onclick="addColumn('${table.id}')" class="text-xs text-blue-500 hover:underline">+ Add Col</button>
</div>
<div class="space-y-3">
`;
table.columns.forEach((c) => {
let typeOpts = types.map(t => `<option value="${t}" ${c.type === t ? 'selected' : ''}>${t}</option>`).join('');
html += `