${item.title}

${item.value}

`; dashboardSummary.appendChild(card); }); // Populate storage data table storageData.forEach(item => { const row = storageDataTableBody.insertRow(); row.innerHTML = ` ${item.type} ${item.capacity} $${item.cost.toFixed(2)} ${item.iops.toLocaleString()} ${item.latency.toFixed(1)} ${item.notes} `; }); } // --- Data Configuration Table Rendering and Editing --- /** * Renders the data in the configuration table. */ function renderConfigTable() { // Null check for config data table body if (!configDataTableBody) { console.error("Config data table body not found."); return; } configDataTableBody.innerHTML = ''; // Clear existing rows storageData.forEach((item, index) => { const row = configDataTableBody.insertRow(); row.innerHTML = ` ${item.type} ${item.capacity} $${item.cost.toFixed(2)} ${item.iops.toLocaleString()} ${item.latency.toFixed(1)} ${item.notes} Edit Delete `; }); } /** * Adds a new row or updates an existing row in the storage data. */ window.addRow = function() { // Null checks for input fields if (!storageTypeInput || !capacityInput || !costInput || !iopsInput || !latencyInput || !notesInput) { console.error("One or more input fields not found."); return; } const newRow = { type: storageTypeInput.value.trim(), capacity: parseFloat(capacityInput.value) || 0, cost: parseFloat(costInput.value) || 0, iops: parseInt(iopsInput.value) || 0, latency: parseFloat(latencyInput.value) || 0, notes: notesInput.value.trim() }; // Simple validation if (!newRow.type) { alert("Storage Type cannot be empty."); // Using alert for simplicity as per spec, but custom modal is preferred for production return; } if (editingIndex === -1) { // Add new row storageData.push(newRow); } else { // Update existing row storageData[editingIndex] = newRow; editingIndex = -1; // Reset editing state updateRowButton.classList.add('hidden'); cancelEditButton.classList.add('hidden'); addRowButton.classList.remove('hidden'); } clearForm(); renderConfigTable(); updateDashboard(); // Keep dashboard in sync }; /** * Populates the form with data from the row to be edited. * @param {HTMLElement} button - The edit button clicked. */ window.editRow = function(button) { // Null checks for input fields and edit buttons if (!storageTypeInput || !capacityInput || !costInput || !iopsInput || !latencyInput || !notesInput || !addRowButton || !updateRowButton || !cancelEditButton) { console.error("One or more form/button elements not found for editing."); return; } const index = parseInt(button.dataset.index); editingIndex = index; const item = storageData[index]; storageTypeInput.value = item.type; capacityInput.value = item.capacity; costInput.value = item.cost; iopsInput.value = item.iops; latencyInput.value = item.latency; notesInput.value = item.notes; addRowButton.classList.add('hidden'); updateRowButton.classList.remove('hidden'); cancelEditButton.classList.remove('hidden'); }; /** * Deletes a row from the storage data. * @param {HTMLElement} button - The delete button clicked. */ window.deleteRow = function(button) { const index = parseInt(button.dataset.index); if (confirm("Are you sure you want to delete this storage component?")) { // Using confirm as per spec storageData.splice(index, 1); renderConfigTable(); updateDashboard(); // Keep dashboard in sync clearForm(); // Clear form if the deleted item was being edited editingIndex = -1; updateRowButton.classList.add('hidden'); cancelEditButton.classList.add('hidden'); addRowButton.classList.remove('hidden'); } }; /** * Clears the input form fields. */ function clearForm() { // Null checks for input fields if (!storageTypeInput || !capacityInput || !costInput || !iopsInput || !latencyInput || !notesInput) { console.error("One or more input fields not found for clearing."); return; } storageTypeInput.value = ''; capacityInput.value = ''; costInput.value = ''; iopsInput.value = ''; latencyInput.value = ''; notesInput.value = ''; } /** * Cancels the current edit operation and clears the form. */ window.cancelEdit = function() { editingIndex = -1; clearForm(); updateRowButton.classList.add('hidden'); cancelEditButton.classList.add('hidden'); addRowButton.classList.remove('hidden'); }; // --- PDF Download Functionality --- /** * Downloads the dashboard content as a PDF. */ window.downloadPdf = async function() { // Null check for dashboard content if (!dashboardTabContent) { console.error("Dashboard content for PDF not found."); return; } // Temporarily show the dashboard content if it's hidden, for accurate PDF generation const wasHidden = dashboardTabContent.classList.contains('hidden'); if (wasHidden) { dashboardTabContent.classList.remove('hidden'); } const { jsPDF } = window.jspdf; const doc = new jsPDF('p', 'pt', 'letter'); // 'p' for portrait, 'pt' for points, 'letter' size const element = dashboardTabContent; // The element to convert to PDF // Use html2canvas to render the HTML element to a canvas await html2canvas(element, { scale: 2, // Increase scale for better quality useCORS: true, // Important for images/external resources if any (though we don't use them here) logging: false // Disable logging for cleaner console }).then(canvas => { const imgData = canvas.toDataURL('image/png'); const imgWidth = 550; // A fixed width for the image in PDF const pageHeight = doc.internal.pageSize.height; const imgHeight = (canvas.height * imgWidth) / canvas.width; let heightLeft = imgHeight; let position = 30; // Initial Y position for content doc.setFontSize(22); doc.setTextColor(31, 41, 55); // Gray 900 equivalent doc.text("Storage Architecture Dashboard", doc.internal.pageSize.getWidth() / 2, position, { align: "center" }); position += 30; // Move down for image doc.addImage(imgData, 'PNG', 30, position, imgWidth, imgHeight); heightLeft -= pageHeight; // If content overflows, add new pages while (heightLeft >= 0) { position = heightLeft - imgHeight + 30; // Adjust position for new page doc.addPage(); doc.addImage(imgData, 'PNG', 30, position, imgWidth, imgHeight); heightLeft -= pageHeight; } doc.save('Storage_Architecture_Dashboard.pdf'); }); // Restore hidden state if it was hidden initially if (wasHidden) { dashboardTabContent.classList.add('hidden'); } }; // --- Event Listeners --- // Add Row button click handler if (addRowButton) { addRowButton.addEventListener('click', addRow); } else { console.error("Add Row Button not found."); } // Update Row button click handler if (updateRowButton) { updateRowButton.addEventListener('click', addRow); // addRow function handles both add and update based on editingIndex } else { console.error("Update Row Button not found."); } // Cancel Edit button click handler if (cancelEditButton) { cancelEditButton.addEventListener('click', cancelEdit); } else { console.error("Cancel Edit Button not found."); } // Initial rendering and setup openTab('dashboard'); // Open dashboard by default updateDashboard(); // Populate dashboard with initial data renderConfigTable(); // Populate config table with initial data });