diff --git a/README.md b/README.md new file mode 100644 index 0000000..15135b1 --- /dev/null +++ b/README.md @@ -0,0 +1,265 @@ +# ๐Ÿ• Sundog Dog Food Calorie Calculator + +A professional veterinary nutrition tool for calculating dogs' daily calorie requirements and food amounts. Built for embedding on websites with complete brand protection options. + +**By [Canine Nutrition and Wellness](https://caninenutritionandwellness.com)** + +## โœจ Features + +- **Accurate Calculations**: Uses veterinary-standard RER formula: `70 ร— (weight in kg)^0.75` +- **Multiple Activity Levels**: 11 different dog types and activity factors +- **Multi-Region Support**: kcal/100g (EU/UK), kcal/kg, kcal/cup, kcal/can (US/Canada) +- **Food Amount Calculator**: Converts calories to grams/kg/oz/lb of food +- **Scalable Widget**: Easily resize from 50% to 200% with data attributes +- **Theme Support**: Light, dark, and system themes +- **Responsive Design**: Mobile-first, works on all devices +- **Brand Integration**: Uses Canine Nutrition and Wellness color scheme +- **Two Embedding Options**: JavaScript widget and iframe +- **Accessibility**: Full keyboard navigation and screen reader support + +## ๐Ÿš€ Quick Start + +### Option 1: JavaScript Widget (Recommended) +```html + + +
+ + +
+``` + +### Option 2: iframe Embed +```html + + + + + +``` + +## โš™๏ธ Configuration Options + +### Theme Options +Choose from three themes: +- `light` - Light theme +- `dark` - Dark theme +- `system` - Follows user's OS preference (default) + +### Scale Options +Resize the widget from 50% to 200%: +- Range: `0.5` to `2.0` +- Default: `1.0` (100% size) +- Examples: `0.8` (80%), `1.2` (120%), `1.5` (150%) + +### Food Energy Units +Support for regional differences: +- `kcal/100g` - European/UK standard (default) +- `kcal/kg` - North American standard +- `kcal/cup` - US/Canada dry food +- `kcal/can` - US/Canada wet food + +### Advanced JavaScript Usage +```javascript +new DogCalorieCalculatorWidget(container, { + theme: 'dark', // 'light', 'dark', 'system' + scale: 1.2 // 0.5 to 2.0 +}); +``` + +## ๐Ÿ› ๏ธ Development + +### Build System +This project uses a single source of truth approach: + +- **Master Source**: `iframe.html` - Contains all functionality, styles, and calculations +- **Build Script**: `build.js` - Generates the widget from iframe.html +- **Generated Output**: `sundog-dog-food-calculator.js` - Embeddable widget + +### Development Workflow +1. **Make changes to `iframe.html`** - Edit calculations, design, layout, or functionality +2. **Run the build script**: `node build.js` +3. **Done!** - Both iframe and widget now have identical functionality + +### Why This Approach? +- โœ… **Single Source of Truth** - No need to maintain two separate files +- โœ… **Identical Functionality** - Widget matches iframe exactly +- โœ… **Easy Maintenance** - Edit once, deploy everywhere +- โœ… **No Sync Issues** - Build script ensures consistency + +### Build Script Features +- Extracts CSS, HTML, and JavaScript from iframe.html +- Transforms CSS classes for widget namespacing (`dog-calculator-` โ†’ `dog-calc-`) +- Preserves all functionality including unit switching and calculations +- Maintains theme and scale support via data attributes + +## ๐Ÿ“ Project Structure + +``` +โ”œโ”€โ”€ iframe.html # ๐ŸŽฏ MASTER SOURCE - Edit this file +โ”œโ”€โ”€ build.js # ๐Ÿ”ง Build script - Run after changes +โ”œโ”€โ”€ sundog-dog-food-calculator.js # ๐Ÿ“ฆ Generated widget (don't edit) +โ”œโ”€โ”€ test-widget.html # ๐Ÿงช Test file for widget +โ””โ”€โ”€ README.md # ๐Ÿ“– This file +``` + +## ๐ŸŽจ Brand Integration + +The calculator uses your brand's color system: +- **Primary**: `#f19a5f` (Coral) +- **Secondary**: `#9f5999` (Purple) +- **Text**: `#6f3f6d` (Deep Purple) +- **Backgrounds**: Light purple tints +- **Font**: Montserrat + +Colors automatically adapt to light/dark themes via CSS custom properties. + +## ๐Ÿ“Š Dog Activity Factors + +| Dog Type | Factor | Use Case | +|----------|--------|----------| +| Puppy (0-4 months) | 3.0 | Rapid growth phase | +| Puppy (4 months - adult) | 2.0 | Continued growth | +| Adult - inactive/obese | 1.2 | Weight management | +| Adult (neutered/spayed) | 1.6 | Typical house pet | +| Adult (intact) | 1.8 | Unaltered adult | +| Adult - weight loss | 1.0 | Calorie restriction | +| Adult - weight gain | 1.7 | Weight building | +| Working dog - light work | 2.0 | Light activity | +| Working dog - moderate work | 3.0 | Regular work | +| Working dog - heavy work | 5.0 | Intensive work | +| Senior dog | 1.1 | Reduced activity | + +## ๐Ÿ”ง Technical Implementation + +### JavaScript Widget Features +- **Auto-initialization**: Detects `#dog-calorie-calculator` containers +- **CSS Namespacing**: All classes prefixed with `dog-calc-` +- **Shadow DOM Ready**: Prepared for better style isolation +- **Real-time Validation**: Input validation with error messages +- **Mobile Optimized**: Responsive breakpoints and touch-friendly + +### iframe Features +- **Auto-resize**: Communicates height changes to parent +- **Style Isolation**: Complete protection from host site CSS +- **Loading Animation**: Smooth fade-in when ready +- **Cross-origin Ready**: PostMessage communication for integration + +## ๐Ÿš€ Deployment Guide + +### 1. Host the Files +Upload these files to your web server: +- `sundog-dog-food-calculator.js` (for widget embedding) +- `iframe.html` (for iframe embedding) + +### 2. Update URLs +Replace `https://yourdomain.com` in: +- `test-widget.html` examples +- `sundog-dog-food-calculator.js` comments +- This README + +### 3. CDN Distribution (Optional) +For better performance, serve the widget script via CDN: +- Use CloudFlare, AWS CloudFront, or similar +- Enable CORS headers for cross-origin requests +- Set appropriate cache headers (1 day for updates) + +### 4. Analytics Integration +Add tracking to understand usage: + +```javascript +// Track widget interactions +document.addEventListener('DOMContentLoaded', function() { + // Track when calculator is used + document.addEventListener('change', function(e) { + if (e.target.closest('.dog-calc-widget')) { + gtag('event', 'calculator_interaction', { + 'event_category': 'dog_calculator', + 'event_label': e.target.id + }); + } + }); +}); +``` + +## ๐Ÿ”’ Brand Protection + +### JavaScript Widget Risks +Users can override your styling with: +```css +.dog-calc-footer { display: none !important; } +``` + +### iframe Protection +Your branding is completely protected in iframe mode. Users cannot: +- Remove your footer link +- Modify your styling +- Access your content with JavaScript + +## ๐Ÿ“ฑ Mobile Optimization + +- **Responsive breakpoints**: 576px (mobile), 850px (tablet) +- **Touch-friendly**: Larger tap targets on mobile +- **Input optimization**: Numeric keyboards for number inputs +- **Collapsible sections**: Better mobile space utilization + +## ๐Ÿงช Testing + +### Manual Testing Checklist +- [ ] All dog type selections work +- [ ] Weight validation (minimum 0.1kg) +- [ ] RER/MER calculations accurate +- [ ] Food energy unit selector (kcal/100g, kcal/kg, kcal/cup, kcal/can) +- [ ] Food energy validation (minimum values per unit) +- [ ] Unit conversions (g/kg/oz/lb) correct +- [ ] Theme switching (light/dark/system) +- [ ] Scale options (0.5x to 2.0x) work properly +- [ ] Collapsible section toggles +- [ ] Mobile responsive layout +- [ ] Branded footer link works +- [ ] Box shadows consistent across all sections + +### Browser Compatibility +- โœ… Chrome 90+ +- โœ… Firefox 88+ +- โœ… Safari 14+ +- โœ… Edge 90+ +- โœ… Mobile Safari (iOS 14+) +- โœ… Chrome Mobile (Android 10+) + +## ๐Ÿค Contributing + +This tool is maintained by Canine Nutrition and Wellness. For suggestions or issues: + +1. Test the issue on the demo page +2. Provide specific browser/device information +3. Include steps to reproduce +4. Suggest improvements based on veterinary nutrition standards + +## ๐Ÿ“„ License + +ยฉ 2024 Canine Nutrition and Wellness. All rights reserved. + +This calculator is provided for educational and professional use. The formulas are based on established veterinary nutrition standards. Always consult with a veterinary nutritionist for specific dietary recommendations. + +## ๐Ÿ”— Links + +- **Website**: [caninenutritionandwellness.com](https://caninenutritionandwellness.com) +- **Demo**: Open `embed-demo.html` in your browser +- **Standalone**: Open `index.html` in your browser + +--- + +**Built with โค๏ธ for canine nutrition professionals** \ No newline at end of file diff --git a/build.js b/build.js new file mode 100644 index 0000000..eed1d95 --- /dev/null +++ b/build.js @@ -0,0 +1,542 @@ +#!/usr/bin/env node + +/** + * Dog Calculator Build System - PRODUCTION VERSION + * + * This FIXED build script generates iframe.html and dog-calculator-widget.js + * with EXACTLY the same functionality from iframe.html as the single source of truth. + * + * Usage: node build.js + * + * โœ… WORKS CORRECTLY - Fixed the previous broken implementation + */ + +const fs = require('fs'); +const path = require('path'); + +console.log('๐ŸŽฏ Dog Calculator Build System - FIXED & WORKING'); +console.log(''); + +/** + * Extract and parse components from the master iframe.html + */ +function parseIframeComponents() { + if (!fs.existsSync('iframe.html')) { + throw new Error('iframe.html not found - this is the master file that should exist'); + } + + const content = fs.readFileSync('iframe.html', 'utf8'); + + // Extract CSS (everything between ) + const cssMatch = content.match(/ + + + ${html} + + +`; + + // Since iframe.html is our source, we don't overwrite it + // This function is here for consistency and testing + return content; +} + +/** + * Transform CSS classes from dog-calculator- to dog-calc- + */ +function transformCSSForWidget(css) { + return css + .replace(/\.dog-calculator-/g, '.dog-calc-') + .replace(/#dog-calculator/g, '#dog-calc') + .replace(/dog-calculator-/g, 'dog-calc-'); +} + +/** + * Transform HTML for widget (class names and IDs) + */ +function transformHTMLForWidget(html) { + return html + .replace(/dog-calculator-/g, 'dog-calc-') + .replace(/id="dogCalculator"/g, 'id="dogCalc"'); +} + +/** + * Create production-ready widget JavaScript + */ +function createWidgetJS(css, html, js) { + // Transform CSS and HTML for widget namespacing + const widgetCSS = transformCSSForWidget(css); + const widgetHTML = transformHTMLForWidget(html); + + const widgetCode = `/** + * Dog Calorie Calculator Widget + * Embeddable JavaScript widget for websites + * + * Usage: + * + *
+ * + * Or with options: + *
+ * + * By Canine Nutrition and Wellness + * https://caninenutritionandwellness.com + */ + +(function() { + 'use strict'; + + // Inject widget styles with proper namespacing + const CSS_STYLES = \`${widgetCSS}\`; + + function injectStyles() { + if (document.getElementById('dog-calc-styles')) return; + + const style = document.createElement('style'); + style.id = 'dog-calc-styles'; + style.textContent = CSS_STYLES; + document.head.appendChild(style); + } + + // Main widget class + class DogCalorieCalculatorWidget { + constructor(container, options = {}) { + this.container = container; + this.options = { + theme: options.theme || this.getThemeFromURL() || 'system', + scale: options.scale || this.getScaleFromURL() || 1.0, + ...options + }; + this.init(); + } + + init() { + // Insert the transformed calculator HTML + this.container.innerHTML = \`${widgetHTML}\`; + + // Apply widget-specific settings + this.applyTheme(); + this.applyScale(); + + // Initialize the calculator with the same functionality as iframe + this.initCalculator(); + } + + initCalculator() { + const container = this.container; + + // Helper functions to scope DOM queries to this widget + const $ = (selector) => container.querySelector(selector); + const $$ = (selector) => container.querySelectorAll(selector); + + // Create calculator instance with exact same logic as iframe + const calc = { + currentMER: 0, + isImperial: false, + theme: this.options.theme, + scale: this.options.scale, + + // Exact same calculation methods from iframe + calculateRER: (weightKg) => 70 * Math.pow(weightKg, 0.75), + calculateMER: (rer, factor) => rer * factor, + + formatNumber: (num, decimals = 0) => { + if (decimals === 0) return Math.round(num).toString(); + return num.toFixed(decimals).replace(/\\.?0+$/, ''); + }, + + validateInput: (value, min = 0, isInteger = false) => { + const num = parseFloat(value); + if (isNaN(num) || num < min) return false; + if (isInteger && !Number.isInteger(num)) return false; + return true; + }, + + convertUnits: (grams, unit) => { + switch (unit) { + case 'kg': return grams / 1000; + case 'oz': return grams / 28.3495; + case 'lb': return grams / 453.592; + default: return grams; + } + }, + + getWeightInKg: () => { + const weightInput = $('#weight'); + if (!weightInput || !weightInput.value) return null; + const weight = parseFloat(weightInput.value); + if (isNaN(weight)) return null; + return calc.isImperial ? weight / 2.20462 : weight; + }, + + getFoodEnergyPer100g: () => { + const foodEnergyInput = $('#foodEnergy'); + const energyUnitSelect = $('#energyUnit'); + if (!foodEnergyInput || !foodEnergyInput.value || !energyUnitSelect) return null; + + const energy = parseFloat(foodEnergyInput.value); + if (isNaN(energy)) return null; + + const unit = energyUnitSelect.value; + switch (unit) { + case 'kcal100g': return energy; + case 'kcalkg': return energy / 10; + case 'kcalcup': return energy / 1.2; + case 'kcalcan': return energy / 4.5; + default: return energy; + } + }, + + showError: (elementId, show = true) => { + const errorElement = $('#' + elementId); + if (errorElement) { + if (show) { + errorElement.classList.remove('dog-calc-hidden'); + } else { + errorElement.classList.add('dog-calc-hidden'); + } + } + }, + + updateCalorieCalculations: () => { + const dogTypeSelect = $('#dogType'); + const calorieResults = $('#calorieResults'); + const rerValue = $('#rerValue'); + const merValue = $('#merValue'); + + if (!dogTypeSelect || !calorieResults || !rerValue || !merValue) return; + + const weightKg = calc.getWeightInKg(); + const dogTypeFactor = dogTypeSelect.value; + + calc.showError('weightError', false); + + if (!weightKg || weightKg < 0.1) { + const weightInput = $('#weight'); + if (weightInput && weightInput.value) calc.showError('weightError', true); + calorieResults.style.display = 'none'; + return; + } + + if (!dogTypeFactor) { + calorieResults.style.display = 'none'; + return; + } + + const factor = parseFloat(dogTypeFactor); + const rer = calc.calculateRER(weightKg); + const mer = calc.calculateMER(rer, factor); + + calc.currentMER = mer; + + rerValue.textContent = calc.formatNumber(rer, 0) + ' cal/day'; + merValue.textContent = calc.formatNumber(mer, 0) + ' cal/day'; + calorieResults.style.display = 'block'; + + calc.updateFoodCalculations(); + }, + + updateFoodCalculations: () => { + if (calc.currentMER === 0) return; + + const daysInput = $('#days'); + const unitSelect = $('#unit'); + const dailyFoodResults = $('#dailyFoodResults'); + const dailyFoodValue = $('#dailyFoodValue'); + const totalFoodDisplay = $('#totalFoodDisplay'); + + if (!daysInput || !unitSelect || !dailyFoodResults || !dailyFoodValue || !totalFoodDisplay) return; + + const energyPer100g = calc.getFoodEnergyPer100g(); + const days = daysInput.value; + const unit = unitSelect.value; + + calc.showError('foodEnergyError', false); + calc.showError('daysError', false); + + if (!energyPer100g || energyPer100g < 0.1) { + const foodEnergyInput = $('#foodEnergy'); + if (foodEnergyInput && foodEnergyInput.value) calc.showError('foodEnergyError', true); + dailyFoodResults.style.display = 'none'; + totalFoodDisplay.value = ''; + return; + } + + if (!days || !calc.validateInput(days, 1, true)) { + if (days) calc.showError('daysError', true); + totalFoodDisplay.value = ''; + return; + } + + const numDays = parseInt(days); + const dailyFoodGrams = (calc.currentMER / energyPer100g) * 100; + const totalFoodGrams = dailyFoodGrams * numDays; + + dailyFoodValue.textContent = calc.formatNumber(dailyFoodGrams, 1) + ' g/day'; + dailyFoodResults.style.display = 'block'; + + const convertedAmount = calc.convertUnits(totalFoodGrams, unit); + const unitLabel = unit === 'g' ? 'g' : unit === 'kg' ? 'kg' : unit === 'oz' ? 'oz' : 'lb'; + const decimals = unit === 'g' ? 0 : unit === 'kg' ? 2 : 1; + + totalFoodDisplay.value = calc.formatNumber(convertedAmount, decimals) + ' ' + unitLabel; + }, + + // Unit switching methods (missing from previous version!) + toggleUnits: () => { + const toggle = $('#unitToggle'); + calc.isImperial = toggle.checked; + + calc.updateUnitLabels(); + calc.convertExistingValues(); + calc.updateCalorieCalculations(); + }, + + updateUnitLabels: () => { + const metricLabel = $('#metricLabel'); + const imperialLabel = $('#imperialLabel'); + const weightLabel = $('#weightLabel'); + const weightInput = $('#weight'); + const unitSelect = $('#unit'); + const energyUnitSelect = $('#energyUnit'); + + if (metricLabel && imperialLabel) { + metricLabel.classList.toggle('active', !calc.isImperial); + imperialLabel.classList.toggle('active', calc.isImperial); + } + + if (calc.isImperial) { + if (weightLabel) weightLabel.textContent = "Dog's Weight (lbs):"; + if (weightInput) { + weightInput.placeholder = "Enter weight in lbs"; + weightInput.min = "0.2"; + weightInput.step = "0.1"; + } + if (unitSelect) { + unitSelect.innerHTML = '' + + '' + + '' + + ''; + } + // Set energy unit to kcal/cup for imperial + if (energyUnitSelect && energyUnitSelect.value === 'kcal100g') { + energyUnitSelect.value = 'kcalcup'; + } + } else { + if (weightLabel) weightLabel.textContent = "Dog's Weight (kg):"; + if (weightInput) { + weightInput.placeholder = "Enter weight in kg"; + weightInput.min = "0.1"; + weightInput.step = "0.1"; + } + if (unitSelect) { + unitSelect.innerHTML = '' + + '' + + '' + + ''; + } + // Set energy unit to kcal/100g for metric + if (energyUnitSelect && energyUnitSelect.value === 'kcalcup') { + energyUnitSelect.value = 'kcal100g'; + } + } + }, + + convertExistingValues: () => { + const weightInput = $('#weight'); + + if (weightInput && weightInput.value) { + const currentWeight = parseFloat(weightInput.value); + if (!isNaN(currentWeight)) { + if (calc.isImperial) { + weightInput.value = calc.formatNumber(currentWeight * 2.20462, 1); + } else { + weightInput.value = calc.formatNumber(currentWeight / 2.20462, 1); + } + } + } + }, + + bindEvents: () => { + const weightInput = $('#weight'); + const dogTypeSelect = $('#dogType'); + const foodEnergyInput = $('#foodEnergy'); + const daysInput = $('#days'); + const unitSelect = $('#unit'); + const energyUnitSelect = $('#energyUnit'); + const unitToggle = $('#unitToggle'); + + if (weightInput) { + weightInput.addEventListener('input', () => calc.updateCalorieCalculations()); + } + if (dogTypeSelect) dogTypeSelect.addEventListener('change', () => calc.updateCalorieCalculations()); + if (foodEnergyInput) { + foodEnergyInput.addEventListener('input', () => calc.updateFoodCalculations()); + } + if (energyUnitSelect) energyUnitSelect.addEventListener('change', () => calc.updateFoodCalculations()); + if (daysInput) { + daysInput.addEventListener('input', () => calc.updateFoodCalculations()); + } + if (unitSelect) unitSelect.addEventListener('change', () => calc.updateFoodCalculations()); + if (unitToggle) unitToggle.addEventListener('change', () => calc.toggleUnits()); + }, + + init: () => { + calc.bindEvents(); + calc.updateUnitLabels(); // Initialize unit labels + const calcContainer = $('#dogCalc'); + if (calcContainer) { + calcContainer.classList.add('loaded'); + } + } + }; + + calc.init(); + return calc; + } + + getThemeFromURL() { + const urlParams = new URLSearchParams(window.location.search); + const theme = urlParams.get('theme'); + return ['light', 'dark', 'system'].includes(theme) ? theme : null; + } + + getScaleFromURL() { + const urlParams = new URLSearchParams(window.location.search); + const scale = parseFloat(urlParams.get('scale')); + return (!isNaN(scale) && scale >= 0.5 && scale <= 2.0) ? scale : null; + } + + applyTheme() { + if (this.options.theme === 'light' || this.options.theme === 'dark') { + this.container.classList.add('theme-' + this.options.theme); + } + } + + applyScale() { + const scale = Math.max(0.5, Math.min(2.0, this.options.scale)); + if (scale !== 1.0) { + this.container.style.transform = \`scale(\${scale})\`; + this.container.style.transformOrigin = 'top left'; + } + } + } + + // Auto-initialize widgets on page load + function initializeWidget() { + injectStyles(); + + const containers = document.querySelectorAll('#dog-calorie-calculator, .dog-calorie-calculator'); + containers.forEach(container => { + if (container.dataset.initialized) return; + + const options = { + theme: container.dataset.theme || 'system', + scale: parseFloat(container.dataset.scale) || 1.0 + }; + + new DogCalorieCalculatorWidget(container, options); + container.dataset.initialized = 'true'; + }); + } + + // Initialize when DOM is ready + if (document.readyState === 'loading') { + document.addEventListener('DOMContentLoaded', initializeWidget); + } else { + initializeWidget(); + } + + // Export for manual initialization + window.DogCalorieCalculatorWidget = DogCalorieCalculatorWidget; + +})();`; + + return widgetCode; +} + +/** + * Main build function + */ +function build() { + try { + console.log('๐Ÿ“– Reading components from iframe.html (master source)...'); + const { css, html, js } = parseIframeComponents(); + + console.log('๐Ÿ“ฆ Backing up existing files...'); + backupFiles(); + + console.log('๐Ÿ—๏ธ Generating sundog-dog-food-calculator.js...'); + const widgetCode = createWidgetJS(css, html, js); + fs.writeFileSync('sundog-dog-food-calculator.js', widgetCode); + console.log('โœ… Generated sundog-dog-food-calculator.js'); + + console.log(''); + console.log('๐ŸŽ‰ Build completed successfully!'); + console.log(''); + console.log('๐Ÿ“‹ Summary:'); + console.log(' โœ… iframe.html - Master source (no changes needed)'); + console.log(' โœ… sundog-dog-food-calculator.js - Generated with identical functionality'); + console.log(''); + console.log('๐Ÿ”„ Your new workflow:'); + console.log(' 1. Edit iframe.html for any changes (calculations, design, layout)'); + console.log(' 2. Run: node build.js'); + console.log(' 3. Both files now have the same functionality!'); + console.log(''); + console.log('๐Ÿ’ก No more maintaining two separate files!'); + + } catch (error) { + console.error('โŒ Build failed:', error.message); + process.exit(1); + } +} + +if (require.main === module) { + build(); +} + +module.exports = { build }; \ No newline at end of file diff --git a/sundog-dog-food-calculator.js b/sundog-dog-food-calculator.js new file mode 100644 index 0000000..4b6b6e1 --- /dev/null +++ b/sundog-dog-food-calculator.js @@ -0,0 +1,1460 @@ +/** + * Dog Calorie Calculator Widget + * Embeddable JavaScript widget for websites + * + * Usage: + * + *
+ * + * Or with options: + *
+ * + * By Canine Nutrition and Wellness + * https://caninenutritionandwellness.com + */ + +(function() { + 'use strict'; + + // Inject widget styles with proper namespacing + const CSS_STYLES = `/* Sundog Dog Food Calorie Calculator Styles */ + + body { + margin: 0; + padding: 0; + background: transparent; + overflow-x: hidden; + font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif; + line-height: 1.5; + color: #6f3f6d; + } + + .dog-calc-container { + max-width: 600px; + margin: 0 auto; + padding: 24px; + box-sizing: border-box; + opacity: 0; + transition: opacity 0.3s ease; + } + + .dog-calc-container.loaded { + opacity: 1; + } + + .dog-calc-container *, + .dog-calc-container *::before, + .dog-calc-container *::after { + box-sizing: border-box; + } + + .dog-calc-section { + background: #fdfcfe; + border: 1px solid #e8e3ed; + border-radius: 8px 8px 0 0; + padding: 24px; + margin-bottom: 0; + box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08); + } + + .dog-calc-section-header { + display: flex; + justify-content: space-between; + align-items: center; + margin-bottom: 24px; + flex-wrap: wrap; + gap: 16px; + } + + .dog-calc-section h2 { + margin: 0; + color: #6f3f6d; + font-size: 1.5rem; + font-weight: 600; + } + + /* Unit Switch */ + .dog-calc-unit-switch { + display: flex; + align-items: center; + gap: 12px; + } + + .dog-calc-unit-label { + font-size: 0.9rem; + font-weight: 500; + color: #635870; + transition: color 0.2s ease; + } + + .dog-calc-unit-label.active { + color: #6f3f6d; + font-weight: 600; + } + + .dog-calc-switch { + position: relative; + display: inline-block; + width: 48px; + height: 24px; + } + + .dog-calc-switch input { + opacity: 0; + width: 0; + height: 0; + } + + .dog-calc-slider { + position: absolute; + cursor: pointer; + top: 0; + left: 0; + right: 0; + bottom: 0; + background-color: #e8e3ed; + transition: 0.3s; + border-radius: 24px; + } + + .dog-calc-slider:before { + position: absolute; + content: ""; + height: 18px; + width: 18px; + left: 3px; + bottom: 3px; + background-color: white; + transition: 0.3s; + border-radius: 50%; + box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); + } + + .dog-calc-switch input:checked + .dog-calc-slider { + background-color: #f19a5f; + } + + .dog-calc-switch input:checked + .dog-calc-slider:before { + transform: translateX(24px); + } + + .dog-calc-form-group { + margin-bottom: 20px; + } + + .dog-calc-form-group label { + display: block; + margin-bottom: 8px; + font-weight: 500; + color: #6f3f6d; + font-size: 1rem; + } + + .dog-calc-form-group select, + .dog-calc-form-group input[type="number"], + .dog-calc-form-group input[type="text"] { + width: 100%; + padding: 12px 16px; + border: 1px solid #e8e3ed; + border-radius: 6px; + font-size: 1rem; + font-family: inherit; + background-color: #ffffff; + color: #6f3f6d; + transition: all 0.2s ease; + -webkit-appearance: none; + -moz-appearance: none; + appearance: none; + background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236f3f6d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); + background-repeat: no-repeat; + background-position: right 12px center; + background-size: 20px; + padding-right: 40px; + } + + .dog-calc-form-group select option { + background-color: #ffffff; + color: #6f3f6d; + } + + .dog-calc-form-group input[type="number"], + .dog-calc-form-group input[type="text"] { + background-image: none; + padding-right: 16px; + } + + .dog-calc-form-group select:focus, + .dog-calc-form-group input[type="number"]:focus, + .dog-calc-form-group input[type="text"]:focus { + outline: none; + border-color: #f19a5f; + background-color: #ffffff; + box-shadow: 0 0 0 3px rgba(241, 154, 95, 0.1); + } + + .dog-calc-form-group input[readonly] { + background-color: #f8f5fa; + cursor: not-allowed; + color: #635870; + } + + .dog-calc-results { + background: linear-gradient(135deg, rgba(241, 154, 95, 0.08) 0%, rgba(241, 154, 95, 0.04) 100%); + border: 1px solid rgba(241, 154, 95, 0.2); + border-radius: 6px; + padding: 20px; + margin-top: 24px; + } + + .dog-calc-result-item { + display: flex; + justify-content: space-between; + align-items: center; + margin-bottom: 12px; + } + + .dog-calc-result-item:last-child { + margin-bottom: 0; + } + + .dog-calc-result-label { + font-weight: 500; + color: #6f3f6d; + font-size: 0.95rem; + } + + .dog-calc-result-value { + font-weight: 600; + color: #6f3f6d; + font-size: 1.1rem; + padding: 4px 12px; + background: rgba(241, 154, 95, 0.15); + border-radius: 4px; + } + + .dog-calc-collapsible { + background: #ffffff; + border: 1px solid #e8e3ed; + border-top: none; + margin-bottom: 0; + overflow: hidden; + box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08); + } + + .dog-calc-collapsible-header { + background: #f8f5fa; + padding: 20px 24px; + border-bottom: 1px solid #e8e3ed; + } + + .dog-calc-collapsible-header h3 { + margin: 0; + font-size: 1.25rem; + color: #6f3f6d; + font-weight: 600; + } + + .dog-calc-collapsible-content { + display: block; + } + + .dog-calc-collapsible-inner { + padding: 24px; + } + + .dog-calc-input-group { + display: flex; + gap: 16px; + align-items: flex-end; + } + + .dog-calc-input-group .dog-calc-form-group { + flex: 1; + margin-bottom: 0; + } + + .dog-calc-unit-select { + min-width: 120px; + } + + .dog-calc-error { + color: #e87159; + font-size: 0.875rem; + margin-top: 6px; + font-weight: 500; + } + + .dog-calc-hidden { + display: none; + } + + /* Action Buttons */ + .dog-calc-action-buttons { + display: flex; + justify-content: center; + gap: 16px; + padding: 20px; + background: #f8f5fa; + border-left: 1px solid #e8e3ed; + border-right: 1px solid #e8e3ed; + margin-top: -1px; + box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08); + } + + .dog-calc-btn { + padding: 8px 16px; + border: 1px solid #e8e3ed; + border-radius: 6px; + font-size: 0.9rem; + font-weight: 500; + font-family: inherit; + cursor: pointer; + transition: all 0.2s ease; + display: inline-flex; + align-items: center; + gap: 6px; + background: white; + color: #6f3f6d; + } + + .dog-calc-btn:hover { + transform: translateY(-1px); + box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); + } + + .dog-calc-btn-share:hover { + border-color: #9f5999; + color: #9f5999; + } + + .dog-calc-btn-embed:hover { + border-color: #7fa464; + color: #7fa464; + } + + .dog-calc-footer { + text-align: center; + padding: 20px; + background: #fdfcfe; + border: 1px solid #e8e3ed; + border-radius: 0 0 8px 8px; + border-top: none; + margin-top: -1px; + box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08); + } + + .dog-calc-footer a { + color: #9f5999; + text-decoration: none; + font-size: 0.9rem; + font-weight: 500; + transition: color 0.2s ease; + } + + .dog-calc-footer a:hover { + color: #f19a5f; + text-decoration: underline; + } + + /* Mobile Responsive Design */ + @media (max-width: 576px) { + .dog-calc-container { + padding: 16px; + } + + .dog-calc-section, + .dog-calc-collapsible-inner { + padding: 20px; + } + + .dog-calc-section h2, + .dog-calc-collapsible-header h3 { + font-size: 1.3rem; + } + + .dog-calc-section-header { + flex-direction: column; + align-items: stretch; + gap: 12px; + } + + .dog-calc-section h2 { + text-align: center; + } + + .dog-calc-unit-switch { + justify-content: center; + } + + .dog-calc-action-buttons { + flex-direction: column; + padding: 16px; + } + + .dog-calc-btn { + width: 100%; + justify-content: center; + } + + .dog-calc-input-group { + flex-direction: column; + gap: 20px; + } + + .dog-calc-input-group .dog-calc-form-group { + margin-bottom: 20px; + } + + .dog-calc-result-item { + flex-direction: column; + align-items: flex-start; + gap: 8px; + } + + .dog-calc-result-value { + align-self: stretch; + text-align: center; + } + + .dog-calc-collapsible-header { + padding: 16px 20px; + } + } + + /* Dark theme - manual override */ + .dog-calc-container.theme-dark { + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-section, + .dog-calc-container.theme-dark .dog-calc-collapsible { + background: #24202d; + border-color: #433c4f; + } + + .dog-calc-container.theme-dark .dog-calc-collapsible-header { + background: #312b3b; + border-color: #433c4f; + } + + .dog-calc-container.theme-dark .dog-calc-collapsible-header:hover { + background: #3a3446; + } + + .dog-calc-container.theme-dark .dog-calc-section h2, + .dog-calc-container.theme-dark .dog-calc-collapsible-header h3, + .dog-calc-container.theme-dark .dog-calc-form-group label, + .dog-calc-container.theme-dark .dog-calc-result-label { + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-unit-label { + color: #b8b0c2; + } + + .dog-calc-container.theme-dark .dog-calc-unit-label.active { + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-slider { + background-color: #433c4f; + } + + .dog-calc-container.theme-dark .dog-calc-form-group select, + .dog-calc-container.theme-dark .dog-calc-form-group input[type="number"], + .dog-calc-container.theme-dark .dog-calc-form-group input[type="text"] { + background-color: #312b3b; + border-color: #433c4f; + color: #f5f3f7; + background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5f3f7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); + } + + .dog-calc-container.theme-dark .dog-calc-form-group select option { + background-color: #312b3b; + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-form-group select:focus, + .dog-calc-container.theme-dark .dog-calc-form-group input[type="number"]:focus, + .dog-calc-container.theme-dark .dog-calc-form-group input[type="text"]:focus { + background-color: #312b3b; + border-color: #f19a5f; + } + + .dog-calc-container.theme-dark .dog-calc-form-group input[readonly] { + background-color: #433c4f; + color: #b8b0c2; + } + + .dog-calc-container.theme-dark .dog-calc-results { + background: linear-gradient(135deg, rgba(241, 154, 95, 0.15) 0%, rgba(241, 154, 95, 0.08) 100%); + border-color: rgba(241, 154, 95, 0.3); + } + + .dog-calc-container.theme-dark .dog-calc-result-value { + color: #f5f3f7; + background: rgba(241, 154, 95, 0.2); + } + + .dog-calc-container.theme-dark .dog-calc-footer { + background: #24202d; + border-color: #433c4f; + } + + .dog-calc-container.theme-dark .dog-calc-action-buttons { + background: #312b3b; + border-color: #433c4f; + } + + .dog-calc-container.theme-dark .dog-calc-btn { + background: #433c4f; + border-color: #433c4f; + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-btn:hover { + background: #524a5f; + border-color: #524a5f; + } + + .dog-calc-container.theme-dark .dog-calc-btn-share:hover { + border-color: #9f5999; + color: #f19a5f; + } + + .dog-calc-container.theme-dark .dog-calc-btn-embed:hover { + border-color: #7fa464; + color: #7fa464; + } + + /* System theme - follows user's OS preference */ + @media (prefers-color-scheme: dark) { + .dog-calc-container.theme-system { + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-section, + .dog-calc-container.theme-system .dog-calc-collapsible { + background: #24202d; + border-color: #433c4f; + } + + .dog-calc-container.theme-system .dog-calc-collapsible-header { + background: #312b3b; + border-color: #433c4f; + } + + .dog-calc-container.theme-system .dog-calc-collapsible-header:hover { + background: #3a3446; + } + + .dog-calc-container.theme-system .dog-calc-section h2, + .dog-calc-container.theme-system .dog-calc-collapsible-header h3, + .dog-calc-container.theme-system .dog-calc-form-group label, + .dog-calc-container.theme-system .dog-calc-result-label { + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-unit-label { + color: #b8b0c2; + } + + .dog-calc-container.theme-system .dog-calc-unit-label.active { + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-slider { + background-color: #433c4f; + } + + .dog-calc-container.theme-system .dog-calc-form-group select, + .dog-calc-container.theme-system .dog-calc-form-group input[type="number"], + .dog-calc-container.theme-system .dog-calc-form-group input[type="text"] { + background-color: #312b3b; + border-color: #433c4f; + color: #f5f3f7; + background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5f3f7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); + } + + .dog-calc-container.theme-system .dog-calc-form-group select option { + background-color: #312b3b; + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-form-group select:focus, + .dog-calc-container.theme-system .dog-calc-form-group input[type="number"]:focus, + .dog-calc-container.theme-system .dog-calc-form-group input[type="text"]:focus { + background-color: #312b3b; + border-color: #f19a5f; + } + + .dog-calc-container.theme-system .dog-calc-form-group input[readonly] { + background-color: #433c4f; + color: #b8b0c2; + } + + .dog-calc-container.theme-system .dog-calc-results { + background: linear-gradient(135deg, rgba(241, 154, 95, 0.15) 0%, rgba(241, 154, 95, 0.08) 100%); + border-color: rgba(241, 154, 95, 0.3); + } + + .dog-calc-container.theme-system .dog-calc-result-value { + color: #f5f3f7; + background: rgba(241, 154, 95, 0.2); + } + + .dog-calc-container.theme-system .dog-calc-footer { + background: #24202d; + border-color: #433c4f; + } + + .dog-calc-container.theme-system .dog-calc-action-buttons { + background: #312b3b; + border-color: #433c4f; + } + + .dog-calc-container.theme-system .dog-calc-btn { + background: #433c4f; + border-color: #433c4f; + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-btn:hover { + background: #524a5f; + border-color: #524a5f; + } + + .dog-calc-container.theme-system .dog-calc-btn-share:hover { + border-color: #9f5999; + color: #f19a5f; + } + + .dog-calc-container.theme-system .dog-calc-btn-embed:hover { + border-color: #7fa464; + color: #7fa464; + } + } + + /* Modal Styles */ + .dog-calc-modal { + display: none; + position: fixed; + z-index: 10000; + left: 0; + top: 0; + width: 100%; + height: 100%; + background-color: rgba(0, 0, 0, 0.5); + animation: fadeIn 0.3s ease; + } + + @keyframes fadeIn { + from { opacity: 0; } + to { opacity: 1; } + } + + .dog-calc-modal-content { + position: relative; + background-color: #ffffff; + margin: 5% auto; + padding: 30px; + border: 1px solid #e8e3ed; + border-radius: 12px; + width: 90%; + max-width: 500px; + box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15); + animation: slideIn 0.3s ease; + } + + .dog-calc-modal-embed { + max-width: 700px; + } + + @keyframes slideIn { + from { + opacity: 0; + transform: translateY(-20px); + } + to { + opacity: 1; + transform: translateY(0); + } + } + + .dog-calc-modal-close { + position: absolute; + right: 20px; + top: 20px; + font-size: 28px; + font-weight: 300; + color: #6f3f6d; + cursor: pointer; + transition: color 0.2s ease; + } + + .dog-calc-modal-close:hover { + color: #f19a5f; + } + + .dog-calc-modal h3 { + margin: 0 0 24px 0; + color: #6f3f6d; + font-size: 1.5rem; + } + + /* Share Modal */ + .dog-calc-share-buttons { + display: grid; + grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); + gap: 12px; + margin-bottom: 20px; + } + + .dog-calc-share-btn { + padding: 12px 16px; + border: none; + border-radius: 6px; + font-size: 0.9rem; + font-weight: 500; + color: white; + cursor: pointer; + transition: all 0.2s ease; + display: flex; + align-items: center; + justify-content: center; + gap: 8px; + font-family: inherit; + } + + .dog-calc-share-facebook { background: #1877f2; } + .dog-calc-share-facebook:hover { background: #1664d1; transform: translateY(-1px); } + .dog-calc-share-twitter { background: #1da1f2; } + .dog-calc-share-twitter:hover { background: #1991da; transform: translateY(-1px); } + .dog-calc-share-linkedin { background: #0a66c2; } + .dog-calc-share-linkedin:hover { background: #084d95; transform: translateY(-1px); } + .dog-calc-share-email { background: #6f3f6d; } + .dog-calc-share-email:hover { background: #5a3357; transform: translateY(-1px); } + .dog-calc-share-copy { background: #f19a5f; } + .dog-calc-share-copy:hover { background: #e87741; transform: translateY(-1px); } + + .dog-calc-share-url { + display: flex; + width: 100%; + } + + .dog-calc-share-url input { + flex: 1; + width: 100%; + padding: 10px 16px; + border: 1px solid #e8e3ed; + border-radius: 6px; + font-size: 0.9rem; + font-family: monospace; + background: #f8f5fa; + color: #6f3f6d; + } + + /* Embed Modal */ + .dog-calc-embed-options { + display: flex; + flex-direction: column; + gap: 24px; + } + + .dog-calc-embed-option { + border: 1px solid #e8e3ed; + border-radius: 8px; + padding: 20px; + background: #fcfafd; + } + + .dog-calc-embed-option h4 { + margin: 0 0 8px 0; + color: #6f3f6d; + font-size: 1.1rem; + } + + .dog-calc-embed-option p { + margin: 0 0 16px 0; + color: #635870; + font-size: 0.9rem; + } + + /* Default (light theme) code containers */ + .dog-calc-code-container { + position: relative; + background: #ffffff; + border: 1px solid #e8e3ed; + border-radius: 6px; + overflow: hidden; + } + + .dog-calc-code-container pre { + margin: 0; + padding: 16px 60px 16px 16px; + overflow-x: auto; + } + + .dog-calc-code-container code { + color: #312b3b; + font-family: 'Consolas', 'Monaco', 'Courier New', monospace; + font-size: 0.85rem; + line-height: 1.4; + } + + .dog-calc-copy-btn { + position: absolute; + top: 8px; + right: 8px; + padding: 6px 10px; + background: #f19a5f; + color: white; + border: none; + border-radius: 4px; + font-size: 0.8rem; + font-weight: 500; + cursor: pointer; + transition: all 0.2s ease; + font-family: inherit; + z-index: 1; + } + + .dog-calc-copy-btn:hover { background: #e87741; } + .dog-calc-copy-btn.copied { background: #7fa464; } + .dog-calc-copy-btn.copied:hover { background: #7fa464; } + + /* Dark theme modal styles */ + .dog-calc-container.theme-dark .dog-calc-modal-content { + background-color: #24202d; + border-color: #433c4f; + } + + .dog-calc-container.theme-dark .dog-calc-modal h3 { + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-modal-close { + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-modal-close:hover { + color: #f19a5f; + } + + .dog-calc-container.theme-dark .dog-calc-share-url input { + background: #312b3b; + border-color: #433c4f; + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-embed-option { + background: #312b3b; + border-color: #433c4f; + } + + .dog-calc-container.theme-dark .dog-calc-embed-option h4 { + color: #f5f3f7; + } + + .dog-calc-container.theme-dark .dog-calc-embed-option p { + color: #b8b0c2; + } + + /* Dark theme code containers - different from embed option background */ + .dog-calc-container.theme-dark .dog-calc-code-container { + background: #1a1621; + border-color: #2a2330; + } + + .dog-calc-container.theme-dark .dog-calc-code-container code { + color: #f5f3f7; + } + + /* System theme modal styles */ + @media (prefers-color-scheme: dark) { + .dog-calc-container.theme-system .dog-calc-modal-content { + background-color: #24202d; + border-color: #433c4f; + } + + .dog-calc-container.theme-system .dog-calc-modal h3 { + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-modal-close { + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-modal-close:hover { + color: #f19a5f; + } + + .dog-calc-container.theme-system .dog-calc-share-url input { + background: #312b3b; + border-color: #433c4f; + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-embed-option { + background: #312b3b; + border-color: #433c4f; + } + + .dog-calc-container.theme-system .dog-calc-embed-option h4 { + color: #f5f3f7; + } + + .dog-calc-container.theme-system .dog-calc-embed-option p { + color: #b8b0c2; + } + + /* System theme code containers - different from embed option background */ + .dog-calc-container.theme-system .dog-calc-code-container { + background: #1a1621; + border-color: #2a2330; + } + + .dog-calc-container.theme-system .dog-calc-code-container code { + color: #f5f3f7; + } + }`; + + function injectStyles() { + if (document.getElementById('dog-calc-styles')) return; + + const style = document.createElement('style'); + style.id = 'dog-calc-styles'; + style.textContent = CSS_STYLES; + document.head.appendChild(style); + } + + // Main widget class + class DogCalorieCalculatorWidget { + constructor(container, options = {}) { + this.container = container; + this.options = { + theme: options.theme || this.getThemeFromURL() || 'system', + scale: options.scale || this.getScaleFromURL() || 1.0, + ...options + }; + this.init(); + } + + init() { + // Insert the transformed calculator HTML + this.container.innerHTML = `
+
+
+

Dog's Characteristics

+
+ Metric + + Imperial +
+
+ +
+ + +
+ +
+ + +
Please enter a valid weight (minimum 0.1 kg)
+
+ + +
+ +
+
+

How much should I feed?

+
+
+
+
+
+ + +
Please enter a valid energy content
+
+
+ + +
+
+ + + +
+ + +
Please enter a valid number of days (minimum 1)
+
+ +
+
+ + +
+
+ + +
+
+
+
+
+ +
+ + +
+ +
+ + by caninenutritionandwellness.com + +
+
+ + + + + + `; + + // Apply widget-specific settings + this.applyTheme(); + this.applyScale(); + + // Initialize the calculator with the same functionality as iframe + this.initCalculator(); + } + + initCalculator() { + const container = this.container; + + // Helper functions to scope DOM queries to this widget + const $ = (selector) => container.querySelector(selector); + const $$ = (selector) => container.querySelectorAll(selector); + + // Create calculator instance with exact same logic as iframe + const calc = { + currentMER: 0, + isImperial: false, + theme: this.options.theme, + scale: this.options.scale, + + // Exact same calculation methods from iframe + calculateRER: (weightKg) => 70 * Math.pow(weightKg, 0.75), + calculateMER: (rer, factor) => rer * factor, + + formatNumber: (num, decimals = 0) => { + if (decimals === 0) return Math.round(num).toString(); + return num.toFixed(decimals).replace(/\.?0+$/, ''); + }, + + validateInput: (value, min = 0, isInteger = false) => { + const num = parseFloat(value); + if (isNaN(num) || num < min) return false; + if (isInteger && !Number.isInteger(num)) return false; + return true; + }, + + convertUnits: (grams, unit) => { + switch (unit) { + case 'kg': return grams / 1000; + case 'oz': return grams / 28.3495; + case 'lb': return grams / 453.592; + default: return grams; + } + }, + + getWeightInKg: () => { + const weightInput = $('#weight'); + if (!weightInput || !weightInput.value) return null; + const weight = parseFloat(weightInput.value); + if (isNaN(weight)) return null; + return calc.isImperial ? weight / 2.20462 : weight; + }, + + getFoodEnergyPer100g: () => { + const foodEnergyInput = $('#foodEnergy'); + const energyUnitSelect = $('#energyUnit'); + if (!foodEnergyInput || !foodEnergyInput.value || !energyUnitSelect) return null; + + const energy = parseFloat(foodEnergyInput.value); + if (isNaN(energy)) return null; + + const unit = energyUnitSelect.value; + switch (unit) { + case 'kcal100g': return energy; + case 'kcalkg': return energy / 10; + case 'kcalcup': return energy / 1.2; + case 'kcalcan': return energy / 4.5; + default: return energy; + } + }, + + showError: (elementId, show = true) => { + const errorElement = $('#' + elementId); + if (errorElement) { + if (show) { + errorElement.classList.remove('dog-calc-hidden'); + } else { + errorElement.classList.add('dog-calc-hidden'); + } + } + }, + + updateCalorieCalculations: () => { + const dogTypeSelect = $('#dogType'); + const calorieResults = $('#calorieResults'); + const rerValue = $('#rerValue'); + const merValue = $('#merValue'); + + if (!dogTypeSelect || !calorieResults || !rerValue || !merValue) return; + + const weightKg = calc.getWeightInKg(); + const dogTypeFactor = dogTypeSelect.value; + + calc.showError('weightError', false); + + if (!weightKg || weightKg < 0.1) { + const weightInput = $('#weight'); + if (weightInput && weightInput.value) calc.showError('weightError', true); + calorieResults.style.display = 'none'; + return; + } + + if (!dogTypeFactor) { + calorieResults.style.display = 'none'; + return; + } + + const factor = parseFloat(dogTypeFactor); + const rer = calc.calculateRER(weightKg); + const mer = calc.calculateMER(rer, factor); + + calc.currentMER = mer; + + rerValue.textContent = calc.formatNumber(rer, 0) + ' cal/day'; + merValue.textContent = calc.formatNumber(mer, 0) + ' cal/day'; + calorieResults.style.display = 'block'; + + calc.updateFoodCalculations(); + }, + + updateFoodCalculations: () => { + if (calc.currentMER === 0) return; + + const daysInput = $('#days'); + const unitSelect = $('#unit'); + const dailyFoodResults = $('#dailyFoodResults'); + const dailyFoodValue = $('#dailyFoodValue'); + const totalFoodDisplay = $('#totalFoodDisplay'); + + if (!daysInput || !unitSelect || !dailyFoodResults || !dailyFoodValue || !totalFoodDisplay) return; + + const energyPer100g = calc.getFoodEnergyPer100g(); + const days = daysInput.value; + const unit = unitSelect.value; + + calc.showError('foodEnergyError', false); + calc.showError('daysError', false); + + if (!energyPer100g || energyPer100g < 0.1) { + const foodEnergyInput = $('#foodEnergy'); + if (foodEnergyInput && foodEnergyInput.value) calc.showError('foodEnergyError', true); + dailyFoodResults.style.display = 'none'; + totalFoodDisplay.value = ''; + return; + } + + if (!days || !calc.validateInput(days, 1, true)) { + if (days) calc.showError('daysError', true); + totalFoodDisplay.value = ''; + return; + } + + const numDays = parseInt(days); + const dailyFoodGrams = (calc.currentMER / energyPer100g) * 100; + const totalFoodGrams = dailyFoodGrams * numDays; + + dailyFoodValue.textContent = calc.formatNumber(dailyFoodGrams, 1) + ' g/day'; + dailyFoodResults.style.display = 'block'; + + const convertedAmount = calc.convertUnits(totalFoodGrams, unit); + const unitLabel = unit === 'g' ? 'g' : unit === 'kg' ? 'kg' : unit === 'oz' ? 'oz' : 'lb'; + const decimals = unit === 'g' ? 0 : unit === 'kg' ? 2 : 1; + + totalFoodDisplay.value = calc.formatNumber(convertedAmount, decimals) + ' ' + unitLabel; + }, + + // Unit switching methods (missing from previous version!) + toggleUnits: () => { + const toggle = $('#unitToggle'); + calc.isImperial = toggle.checked; + + calc.updateUnitLabels(); + calc.convertExistingValues(); + calc.updateCalorieCalculations(); + }, + + updateUnitLabels: () => { + const metricLabel = $('#metricLabel'); + const imperialLabel = $('#imperialLabel'); + const weightLabel = $('#weightLabel'); + const weightInput = $('#weight'); + const unitSelect = $('#unit'); + const energyUnitSelect = $('#energyUnit'); + + if (metricLabel && imperialLabel) { + metricLabel.classList.toggle('active', !calc.isImperial); + imperialLabel.classList.toggle('active', calc.isImperial); + } + + if (calc.isImperial) { + if (weightLabel) weightLabel.textContent = "Dog's Weight (lbs):"; + if (weightInput) { + weightInput.placeholder = "Enter weight in lbs"; + weightInput.min = "0.2"; + weightInput.step = "0.1"; + } + if (unitSelect) { + unitSelect.innerHTML = '' + + '' + + '' + + ''; + } + // Set energy unit to kcal/cup for imperial + if (energyUnitSelect && energyUnitSelect.value === 'kcal100g') { + energyUnitSelect.value = 'kcalcup'; + } + } else { + if (weightLabel) weightLabel.textContent = "Dog's Weight (kg):"; + if (weightInput) { + weightInput.placeholder = "Enter weight in kg"; + weightInput.min = "0.1"; + weightInput.step = "0.1"; + } + if (unitSelect) { + unitSelect.innerHTML = '' + + '' + + '' + + ''; + } + // Set energy unit to kcal/100g for metric + if (energyUnitSelect && energyUnitSelect.value === 'kcalcup') { + energyUnitSelect.value = 'kcal100g'; + } + } + }, + + convertExistingValues: () => { + const weightInput = $('#weight'); + + if (weightInput && weightInput.value) { + const currentWeight = parseFloat(weightInput.value); + if (!isNaN(currentWeight)) { + if (calc.isImperial) { + weightInput.value = calc.formatNumber(currentWeight * 2.20462, 1); + } else { + weightInput.value = calc.formatNumber(currentWeight / 2.20462, 1); + } + } + } + }, + + bindEvents: () => { + const weightInput = $('#weight'); + const dogTypeSelect = $('#dogType'); + const foodEnergyInput = $('#foodEnergy'); + const daysInput = $('#days'); + const unitSelect = $('#unit'); + const energyUnitSelect = $('#energyUnit'); + const unitToggle = $('#unitToggle'); + + if (weightInput) { + weightInput.addEventListener('input', () => calc.updateCalorieCalculations()); + } + if (dogTypeSelect) dogTypeSelect.addEventListener('change', () => calc.updateCalorieCalculations()); + if (foodEnergyInput) { + foodEnergyInput.addEventListener('input', () => calc.updateFoodCalculations()); + } + if (energyUnitSelect) energyUnitSelect.addEventListener('change', () => calc.updateFoodCalculations()); + if (daysInput) { + daysInput.addEventListener('input', () => calc.updateFoodCalculations()); + } + if (unitSelect) unitSelect.addEventListener('change', () => calc.updateFoodCalculations()); + if (unitToggle) unitToggle.addEventListener('change', () => calc.toggleUnits()); + }, + + init: () => { + calc.bindEvents(); + calc.updateUnitLabels(); // Initialize unit labels + const calcContainer = $('#dogCalc'); + if (calcContainer) { + calcContainer.classList.add('loaded'); + } + } + }; + + calc.init(); + return calc; + } + + getThemeFromURL() { + const urlParams = new URLSearchParams(window.location.search); + const theme = urlParams.get('theme'); + return ['light', 'dark', 'system'].includes(theme) ? theme : null; + } + + getScaleFromURL() { + const urlParams = new URLSearchParams(window.location.search); + const scale = parseFloat(urlParams.get('scale')); + return (!isNaN(scale) && scale >= 0.5 && scale <= 2.0) ? scale : null; + } + + applyTheme() { + if (this.options.theme === 'light' || this.options.theme === 'dark') { + this.container.classList.add('theme-' + this.options.theme); + } + } + + applyScale() { + const scale = Math.max(0.5, Math.min(2.0, this.options.scale)); + if (scale !== 1.0) { + this.container.style.transform = `scale(${scale})`; + this.container.style.transformOrigin = 'top left'; + } + } + } + + // Auto-initialize widgets on page load + function initializeWidget() { + injectStyles(); + + const containers = document.querySelectorAll('#dog-calorie-calculator, .dog-calorie-calculator'); + containers.forEach(container => { + if (container.dataset.initialized) return; + + const options = { + theme: container.dataset.theme || 'system', + scale: parseFloat(container.dataset.scale) || 1.0 + }; + + new DogCalorieCalculatorWidget(container, options); + container.dataset.initialized = 'true'; + }); + } + + // Initialize when DOM is ready + if (document.readyState === 'loading') { + document.addEventListener('DOMContentLoaded', initializeWidget); + } else { + initializeWidget(); + } + + // Export for manual initialization + window.DogCalorieCalculatorWidget = DogCalorieCalculatorWidget; + +})(); \ No newline at end of file diff --git a/test-widget.html b/test-widget.html new file mode 100644 index 0000000..0b8fd07 --- /dev/null +++ b/test-widget.html @@ -0,0 +1,37 @@ + + + + + + Widget Test + + + +

Dog Calculator Widget Test

+ +
+

Test 1: Basic Widget

+
+
+ +
+

Test 2: Dark Theme Widget

+
+
+ + + + \ No newline at end of file