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* PDFLibrary - Shared PDF storage for ColorRM apps
* Both main (collaborative) and split view (local) apps can access this library
*/
export const PDFLibrary = {
DB_NAME: 'ColorRM_PDFLibrary',
DB_VERSION: 1,
STORE_NAME: 'pdfs',
db: null,
modal: null,
onSelect: null, // Callback when PDF is selected
/**
* Initialize the PDF library database
*/
async init() {
return new Promise((resolve, reject) => {
const request = indexedDB.open(this.DB_NAME, this.DB_VERSION);
request.onerror = () => reject(request.error);
request.onsuccess = () => {
this.db = request.result;
console.log('PDFLibrary: Database initialized');
resolve();
};
request.onupgradeneeded = (event) => {
const db = event.target.result;
if (!db.objectStoreNames.contains(this.STORE_NAME)) {
const store = db.createObjectStore(this.STORE_NAME, { keyPath: 'id' });
store.createIndex('name', 'name', { unique: false });
store.createIndex('timestamp', 'timestamp', { unique: false });
}
};
});
},
/**
* Upload a PDF to the library
*/
async upload(file) {
if (!this.db) await this.init();
if (!file || !file.type.includes('pdf')) {
throw new Error('Invalid file type. Please select a PDF.');
}
const id = `pdf_${Date.now()}_${Math.random().toString(36).substring(2, 7)}`;
const name = file.name.replace('.pdf', '').replace('.PDF', '');
const entry = {
id,
name,
blob: file,
size: file.size,
timestamp: Date.now()
};
return new Promise((resolve, reject) => {
const tx = this.db.transaction([this.STORE_NAME], 'readwrite');
const store = tx.objectStore(this.STORE_NAME);
const req = store.put(entry);
req.onsuccess = () => {
console.log('PDFLibrary: Uploaded', name);
resolve(entry);
};
req.onerror = () => reject(req.error);
});
},
/**
* Get all PDFs in the library
*/
async getAll() {
if (!this.db) await this.init();
return new Promise((resolve, reject) => {
const tx = this.db.transaction([this.STORE_NAME], 'readonly');
const store = tx.objectStore(this.STORE_NAME);
const req = store.getAll();
req.onsuccess = () => {
const results = req.result || [];
results.sort((a, b) => b.timestamp - a.timestamp);
resolve(results);
};
req.onerror = () => reject(req.error);
});
},
/**
* Get a specific PDF by ID
*/
async get(id) {
if (!this.db) await this.init();
return new Promise((resolve, reject) => {
const tx = this.db.transaction([this.STORE_NAME], 'readonly');
const store = tx.objectStore(this.STORE_NAME);
const req = store.get(id);
req.onsuccess = () => resolve(req.result);
req.onerror = () => reject(req.error);
});
},
/**
* Delete a PDF from the library
*/
async delete(id) {
if (!this.db) await this.init();
return new Promise((resolve, reject) => {
const tx = this.db.transaction([this.STORE_NAME], 'readwrite');
const store = tx.objectStore(this.STORE_NAME);
const req = store.delete(id);
req.onsuccess = () => {
console.log('PDFLibrary: Deleted', id);
resolve();
};
req.onerror = () => reject(req.error);
});
},
/**
* Format file size for display
*/
formatSize(bytes) {
if (bytes < 1024) return bytes + ' B';
if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
},
/**
* Create and inject the modal HTML
*/
createModal() {
if (document.getElementById('pdfLibraryModal')) return;
const modal = document.createElement('div');
modal.id = 'pdfLibraryModal';
modal.className = 'overlay';
modal.style.cssText = 'display:none; position:fixed; inset:0; background:rgba(0,0,0,0.85); z-index:10000; align-items:center; justify-content:center;';
modal.innerHTML = `
<div class="card" style="width:90%; max-width:600px; max-height:85vh; display:flex; flex-direction:column;">
<!-- Header -->
<div style="display:flex; justify-content:space-between; align-items:center; padding:20px; border-bottom:1px solid var(--border);">
<div>
<h3 style="margin:0; font-size:1.2rem;">PDF Library</h3>
<p style="margin:4px 0 0; font-size:0.75rem; color:#666;">Select a PDF to open or upload a new one</p>
</div>
<button id="pdfLibraryClose" class="btn btn-icon" style="background:none; border:none;">
<i class="bi bi-x-lg"></i>
</button>
</div>
<!-- Upload Area -->
<div id="pdfLibraryDropzone" style="margin:16px; padding:24px; border:2px dashed #333; border-radius:8px; text-align:center; cursor:pointer; transition:all 0.2s;">
<i class="bi bi-cloud-arrow-up" style="font-size:2rem; color:#666;"></i>
<p style="margin:8px 0 0; color:#888; font-size:0.85rem;">Click or drag PDF here to upload</p>
<input type="file" id="pdfLibraryInput" accept=".pdf" style="display:none;">
</div>
<!-- PDF List -->
<div style="flex:1; overflow-y:auto; padding:0 16px 16px;">
<div id="pdfLibraryList"></div>
</div>
<!-- Footer -->
<div style="padding:16px; border-top:1px solid var(--border); display:flex; gap:12px;">
<button id="pdfLibraryCancel" class="btn" style="flex:1; justify-content:center;">
Cancel
</button>
</div>
</div>
`;
document.body.appendChild(modal);
this.modal = modal;
this.bindModalEvents();
},
/**
* Bind modal event handlers
*/
bindModalEvents() {
const modal = this.modal;
if (!modal) return;
// Close buttons
modal.querySelector('#pdfLibraryClose').onclick = () => this.hide();
modal.querySelector('#pdfLibraryCancel').onclick = () => this.hide();
// Click outside to close
modal.onclick = (e) => {
if (e.target === modal) this.hide();
};
// Dropzone
const dropzone = modal.querySelector('#pdfLibraryDropzone');
const input = modal.querySelector('#pdfLibraryInput');
dropzone.onclick = () => input.click();
dropzone.ondragover = (e) => {
e.preventDefault();
dropzone.style.borderColor = 'var(--primary)';
dropzone.style.background = 'rgba(59, 130, 246, 0.1)';
};
dropzone.ondragleave = () => {
dropzone.style.borderColor = '#333';
dropzone.style.background = 'transparent';
};
dropzone.ondrop = async (e) => {
e.preventDefault();
dropzone.style.borderColor = '#333';
dropzone.style.background = 'transparent';
const file = e.dataTransfer.files[0];
if (file) await this.handleUpload(file);
};
input.onchange = async (e) => {
const file = e.target.files[0];
if (file) await this.handleUpload(file);
input.value = '';
};
},
/**
* Handle file upload
*/
async handleUpload(file) {
try {
await this.upload(file);
await this.refreshList();
} catch (err) {
if (window.UI?.showToast) window.UI.showToast('Upload failed: ' + err.message);
}
},
/**
* Refresh the PDF list
*/
async refreshList() {
const container = document.getElementById('pdfLibraryList');
if (!container) return;
const pdfs = await this.getAll();
if (pdfs.length === 0) {
container.innerHTML = `
<div style="text-align:center; padding:40px; color:#666;">
<i class="bi bi-file-earmark-pdf" style="font-size:3rem; opacity:0.3;"></i>
<p style="margin-top:12px;">No PDFs in library</p>
</div>
`;
return;
}
container.innerHTML = '';
pdfs.forEach(pdf => {
const date = new Date(pdf.timestamp).toLocaleDateString();
const item = document.createElement('div');
item.className = 'bm-item';
item.style.cssText = 'display:flex; align-items:center; gap:12px; padding:14px; margin-bottom:8px; cursor:pointer;';
item.innerHTML = `
<i class="bi bi-file-earmark-pdf" style="font-size:1.5rem; color:#ef4444;"></i>
<div style="flex:1; min-width:0;">
<div style="font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;">${pdf.name}</div>
<div style="font-size:0.75rem; color:#666;">${this.formatSize(pdf.size)} • ${date}</div>
</div>
<button class="pdf-delete-btn bm-del" data-id="${pdf.id}" title="Delete" style="opacity:0.5;">
<i class="bi bi-trash3"></i>
</button>
`;
// Select PDF
item.onclick = (e) => {
if (e.target.closest('.pdf-delete-btn')) return;
this.selectPdf(pdf);
};
// Delete button
item.querySelector('.pdf-delete-btn').onclick = async (e) => {
e.stopPropagation();
const confirmed = window.UI?.showConfirm
? await window.UI.showConfirm('Delete PDF', `Delete "${pdf.name}"?`)
: confirm(`Delete "${pdf.name}"?`);
if (confirmed) {
await this.delete(pdf.id);
await this.refreshList();
}
};
container.appendChild(item);
});
},
/**
* Handle PDF selection
*/
selectPdf(pdf) {
this.hide();
if (this.onSelect) {
this.onSelect(pdf);
}
},
/**
* Show the library modal
* @param {Function} callback - Called with selected PDF entry
*/
async show(callback) {
this.createModal();
this.onSelect = callback;
if (this.modal) {
this.modal.style.display = 'flex';
await this.refreshList();
}
},
/**
* Hide the library modal
*/
hide() {
if (this.modal) {
this.modal.style.display = 'none';
}
}
};
// Auto-initialize
PDFLibrary.init().catch(console.error);
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