No facts in the database.

'; return; } sfe_data.facts.forEach(fact => { const itemHTML = ` `; sfe_manageFactsList.innerHTML += itemHTML; }); } /** * Handles the submission of the "Add New Fact" form */ window.sfe_addFact = function(event) { event.preventDefault(); if (!sfe_newFactCategory || !sfe_newFactText) return; const category = sfe_newFactCategory.value; const text = sfe_newFactText.value.trim(); if (category && text) { const newId = sfe_data.facts.length > 0 ? Math.max(...sfe_data.facts.map(f => f.id)) + 1 : 1; const newFact = { id: newId, category: category, text: text }; sfe_data.facts.push(newFact); sfe_renderManageFactsList(); // Reset form sfe_newFactText.value = ''; sfe_newFactCategory.value = 'Space'; } } /** * Deletes a fact from the main `facts` list and `savedFacts` list */ window.sfe_deleteFact = function(factId) { if (confirm("Are you sure you want to permanently delete this fact?")) { // Remove from main list sfe_data.facts = sfe_data.facts.filter(fact => fact.id !== factId); // Remove from saved list sfe_removeSavedFact(factId); // This also re-renders the saved list // Re-render manage list sfe_renderManageFactsList(); // If the deleted fact is the one on display, show a new one if (sfe_currentFact && sfe_currentFact.id === factId) { sfe_showNewFact(); } } } // --- TAB & NAVIGATION FUNCTIONS --- /** * Switches the active tab */ window.sfe_switchTab = function(tabIndex) { sfe_currentTabIndex = tabIndex; sfe_tabContents.forEach((content, index) => { if (index === tabIndex) { content.classList.add('sfe-active'); } else { content.classList.remove('sfe-active'); } }); sfe_tabs.forEach((tab, index) => { if (index === tabIndex) { tab.classList.add('sfe-active'); } else { tab.classList.remove('sfe-active'); } }); sfe_updateNavButtons(); } /** * Navigates to the next or previous tab */ window.sfe_navigateTabs = function(direction) { if (direction === 'next' && sfe_currentTabIndex < sfe_numTabs - 1) { sfe_switchTab(sfe_currentTabIndex + 1); } else if (direction === 'prev' && sfe_currentTabIndex > 0) { sfe_switchTab(sfe_currentTabIndex - 1); } } /** * Updates the visibility of the Next/Previous buttons */ function sfe_updateNavButtons() { sfe_prevBtn.style.visibility = (sfe_currentTabIndex === 0) ? 'hidden' : 'visible'; sfe_nextBtn.style.visibility = (sfe_currentTabIndex === sfe_numTabs - 1) ? 'hidden' : 'visible'; } // --- PDF GENERATION --- /** * Generates and downloads a PDF of the saved facts */ window.sfe_generatePdf = function() { if (typeof jspdf === 'undefined' || typeof jspdf.jsPDF === 'undefined') { alert('Error: PDF generation library (jsPDF) not loaded.'); return; } if (typeof window.jspdf.plugin.autotable === 'undefined') { alert('Error: PDF generation library (jsPDF-AutoTable) not loaded.'); return; } if (sfe_data.savedFacts.length === 0) { alert("You have not saved any facts to download. Save some facts first!"); return; } try { const { jsPDF } = jspdf; const doc = new jsPDF(); // --- PDF Content --- doc.setFont('helvetica', 'bold'); doc.setFontSize(20); doc.setTextColor(varGet('--sfe-primary-color', '#0073e6')); doc.text("My Saved Science Facts", 105, 20, { align: 'center' }); doc.setFontSize(11); doc.setTextColor(varGet('--sfe-text-color', '#333')); doc.text(`Total Facts Saved: ${sfe_data.savedFacts.length}`, 14, 30); // --- PDF Table --- const tableColumn = ["Category", "Fact"]; const tableRows = []; sfe_data.savedFacts.forEach(fact => { const factData = [ fact.category, fact.text ]; tableRows.push(factData); }); doc.autoTable({ head: [tableColumn], body: tableRows, startY: 40, theme: 'striped', headStyles: { fillColor: varGet('--sfe-primary-color', '#0073e6'), textColor: varGet('--sfe-text-light', '#fff') }, styles: { font: 'helvetica', cellPadding: 3, overflow: 'linebreak' }, columnStyles: { 0: { cellWidth: 30 }, // Category 1: { cellWidth: 150 } // Fact text }, alternateRowStyles: { fillColor: varGet('--sfe-light-primary', '#e6f1fc') } }); // --- PDF Download --- doc.save('my_saved_science_facts.pdf'); } catch (e) { console.error("PDF Generation Error: ", e); alert("An error occurred while generating the PDF."); } } // --- UTILITY FUNCTIONS --- /** * Gets a CSS variable from the root, with a fallback */ function varGet(varName, fallback = '#000') { try { // Ensure we get computed style from the tool's container itself or root const container = document.getElementById('sfe-tool-container-main'); const styleSource = container ? container : document.documentElement; return getComputedStyle(styleSource).getPropertyValue(varName).trim() || fallback; } catch (e) { return fallback; } } /** * Simple HTML escaper to prevent XSS */ function sfe_escapeHTML(str) { if (!str) return ''; return str.replace(/[&<>"']/g, function(m) { return { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''' }[m]; }); } // --- INITIALIZATION --- function sfe_initTool() { sfe_switchTab(0); // Set initial tab sfe_showNewFact(); // Load the first fact sfe_renderSavedFactsList(); // Render empty saved list sfe_renderManageFactsList(); // Render config list } sfe_initTool(); // Run the tool }); // End of DOMContentLoaded