sundog-calculator/iframe.html
2025-06-08 22:27:21 +02:00

1121 lines
42 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dog Calorie Calculator - Canine Nutrition and Wellness</title>
<style>
/* Dog Calorie Calculator Styles */
/* Using Canine Nutrition and Wellness brand colors and design system */
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-calculator-container {
max-width: 600px;
margin: 0 auto;
padding: 24px;
box-sizing: border-box;
opacity: 0;
transition: opacity 0.3s ease;
}
.dog-calculator-container.loaded {
opacity: 1;
}
.dog-calculator-container *,
.dog-calculator-container *::before,
.dog-calculator-container *::after {
box-sizing: border-box;
}
.dog-calculator-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-calculator-section-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 24px;
flex-wrap: wrap;
gap: 16px;
}
.dog-calculator-section h2 {
margin: 0;
color: #6f3f6d;
font-size: 1.5rem;
font-weight: 600;
}
/* Unit Switch */
.dog-calculator-unit-switch {
display: flex;
align-items: center;
gap: 12px;
}
.dog-calculator-unit-label {
font-size: 0.9rem;
font-weight: 500;
color: #635870;
transition: color 0.2s ease;
}
.dog-calculator-unit-label.active {
color: #6f3f6d;
font-weight: 600;
}
.dog-calculator-switch {
position: relative;
display: inline-block;
width: 48px;
height: 24px;
}
.dog-calculator-switch input {
opacity: 0;
width: 0;
height: 0;
}
.dog-calculator-slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #e8e3ed;
transition: 0.3s;
border-radius: 24px;
}
.dog-calculator-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-calculator-switch input:checked + .dog-calculator-slider {
background-color: #f19a5f;
}
.dog-calculator-switch input:checked + .dog-calculator-slider:before {
transform: translateX(24px);
}
.dog-calculator-form-group {
margin-bottom: 20px;
}
.dog-calculator-form-group label {
display: block;
margin-bottom: 8px;
font-weight: 500;
color: #6f3f6d;
font-size: 1rem;
}
.dog-calculator-form-group select,
.dog-calculator-form-group input[type="number"],
.dog-calculator-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-calculator-form-group select option {
background-color: #ffffff;
color: #6f3f6d;
}
.dog-calculator-form-group input[type="number"],
.dog-calculator-form-group input[type="text"] {
background-image: none;
padding-right: 16px;
}
.dog-calculator-form-group select:focus,
.dog-calculator-form-group input[type="number"]:focus,
.dog-calculator-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-calculator-form-group input[readonly] {
background-color: #f8f5fa;
cursor: not-allowed;
color: #635870;
}
.dog-calculator-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-calculator-result-item {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
}
.dog-calculator-result-item:last-child {
margin-bottom: 0;
}
.dog-calculator-result-label {
font-weight: 500;
color: #6f3f6d;
font-size: 0.95rem;
}
.dog-calculator-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-calculator-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-calculator-collapsible-header {
background: #f8f5fa;
padding: 20px 24px;
border-bottom: 1px solid #e8e3ed;
}
.dog-calculator-collapsible-header h3 {
margin: 0;
font-size: 1.25rem;
color: #6f3f6d;
font-weight: 600;
}
.dog-calculator-collapsible-content {
display: block;
}
.dog-calculator-collapsible-inner {
padding: 24px;
}
.dog-calculator-input-group {
display: flex;
gap: 16px;
align-items: flex-end;
}
.dog-calculator-input-group .dog-calculator-form-group {
flex: 1;
margin-bottom: 0;
}
.dog-calculator-unit-select {
min-width: 120px;
}
.dog-calculator-error {
color: #e87159;
font-size: 0.875rem;
margin-top: 6px;
font-weight: 500;
}
.dog-calculator-hidden {
display: none;
}
/* Action Buttons */
.dog-calculator-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;
}
.dog-calculator-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-calculator-btn:hover {
transform: translateY(-1px);
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.dog-calculator-btn-share:hover {
border-color: #9f5999;
color: #9f5999;
}
.dog-calculator-btn-embed:hover {
border-color: #7fa464;
color: #7fa464;
}
.dog-calculator-footer {
text-align: center;
padding: 20px;
background: #fdfcfe;
border: 1px solid #e8e3ed;
border-radius: 0 0 8px 8px;
border-top: none;
margin-top: -1px;
}
.dog-calculator-footer a {
color: #9f5999;
text-decoration: none;
font-size: 0.9rem;
font-weight: 500;
transition: color 0.2s ease;
}
.dog-calculator-footer a:hover {
color: #f19a5f;
text-decoration: underline;
}
/* Mobile Responsive Design */
@media (max-width: 576px) {
.dog-calculator-container {
padding: 16px;
}
.dog-calculator-section,
.dog-calculator-collapsible-inner {
padding: 20px;
}
.dog-calculator-section h2,
.dog-calculator-collapsible-header h3 {
font-size: 1.3rem;
}
.dog-calculator-section-header {
flex-direction: column;
align-items: stretch;
gap: 12px;
}
.dog-calculator-section h2 {
text-align: center;
}
.dog-calculator-unit-switch {
justify-content: center;
}
.dog-calculator-action-buttons {
flex-direction: column;
padding: 16px;
}
.dog-calculator-btn {
width: 100%;
justify-content: center;
}
.dog-calculator-input-group {
flex-direction: column;
gap: 20px;
}
.dog-calculator-input-group .dog-calculator-form-group {
margin-bottom: 20px;
}
.dog-calculator-result-item {
flex-direction: column;
align-items: flex-start;
gap: 8px;
}
.dog-calculator-result-value {
align-self: stretch;
text-align: center;
}
.dog-calculator-collapsible-header {
padding: 16px 20px;
}
}
/* Dark theme - manual override */
.dog-calculator-container.theme-dark {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-section,
.dog-calculator-container.theme-dark .dog-calculator-collapsible {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-collapsible-header {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-collapsible-header:hover {
background: #3a3446;
}
.dog-calculator-container.theme-dark .dog-calculator-section h2,
.dog-calculator-container.theme-dark .dog-calculator-collapsible-header h3,
.dog-calculator-container.theme-dark .dog-calculator-form-group label,
.dog-calculator-container.theme-dark .dog-calculator-result-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-unit-label {
color: #b8b0c2;
}
.dog-calculator-container.theme-dark .dog-calculator-unit-label.active {
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-slider {
background-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-form-group select,
.dog-calculator-container.theme-dark .dog-calculator-form-group input[type="number"],
.dog-calculator-container.theme-dark .dog-calculator-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-calculator-container.theme-dark .dog-calculator-form-group select option {
background-color: #312b3b;
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-form-group select:focus,
.dog-calculator-container.theme-dark .dog-calculator-form-group input[type="number"]:focus,
.dog-calculator-container.theme-dark .dog-calculator-form-group input[type="text"]:focus {
background-color: #312b3b;
border-color: #f19a5f;
}
.dog-calculator-container.theme-dark .dog-calculator-form-group input[readonly] {
background-color: #433c4f;
color: #b8b0c2;
}
.dog-calculator-container.theme-dark .dog-calculator-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-calculator-container.theme-dark .dog-calculator-result-value {
color: #f5f3f7;
background: rgba(241, 154, 95, 0.2);
}
.dog-calculator-container.theme-dark .dog-calculator-footer {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-action-buttons {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-dark .dog-calculator-btn {
background: #433c4f;
border-color: #433c4f;
color: #f5f3f7;
}
.dog-calculator-container.theme-dark .dog-calculator-btn:hover {
background: #524a5f;
border-color: #524a5f;
}
.dog-calculator-container.theme-dark .dog-calculator-btn-share:hover {
border-color: #9f5999;
color: #f19a5f;
}
.dog-calculator-container.theme-dark .dog-calculator-btn-embed:hover {
border-color: #7fa464;
color: #7fa464;
}
/* System theme - follows user's OS preference */
@media (prefers-color-scheme: dark) {
.dog-calculator-container.theme-system {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-section,
.dog-calculator-container.theme-system .dog-calculator-collapsible {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-collapsible-header {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-collapsible-header:hover {
background: #3a3446;
}
.dog-calculator-container.theme-system .dog-calculator-section h2,
.dog-calculator-container.theme-system .dog-calculator-collapsible-header h3,
.dog-calculator-container.theme-system .dog-calculator-form-group label,
.dog-calculator-container.theme-system .dog-calculator-result-label {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-unit-label {
color: #b8b0c2;
}
.dog-calculator-container.theme-system .dog-calculator-unit-label.active {
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-slider {
background-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-form-group select,
.dog-calculator-container.theme-system .dog-calculator-form-group input[type="number"],
.dog-calculator-container.theme-system .dog-calculator-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-calculator-container.theme-system .dog-calculator-form-group select option {
background-color: #312b3b;
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-form-group select:focus,
.dog-calculator-container.theme-system .dog-calculator-form-group input[type="number"]:focus,
.dog-calculator-container.theme-system .dog-calculator-form-group input[type="text"]:focus {
background-color: #312b3b;
border-color: #f19a5f;
}
.dog-calculator-container.theme-system .dog-calculator-form-group input[readonly] {
background-color: #433c4f;
color: #b8b0c2;
}
.dog-calculator-container.theme-system .dog-calculator-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-calculator-container.theme-system .dog-calculator-result-value {
color: #f5f3f7;
background: rgba(241, 154, 95, 0.2);
}
.dog-calculator-container.theme-system .dog-calculator-footer {
background: #24202d;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-action-buttons {
background: #312b3b;
border-color: #433c4f;
}
.dog-calculator-container.theme-system .dog-calculator-btn {
background: #433c4f;
border-color: #433c4f;
color: #f5f3f7;
}
.dog-calculator-container.theme-system .dog-calculator-btn:hover {
background: #524a5f;
border-color: #524a5f;
}
.dog-calculator-container.theme-system .dog-calculator-btn-share:hover {
border-color: #9f5999;
color: #f19a5f;
}
.dog-calculator-container.theme-system .dog-calculator-btn-embed:hover {
border-color: #7fa464;
color: #7fa464;
}
}
</style>
</head>
<body>
<div class="dog-calculator-container" id="dogCalculator">
<div class="dog-calculator-section">
<div class="dog-calculator-section-header">
<h2>Dog's Characteristics</h2>
<div class="dog-calculator-unit-switch">
<span class="dog-calculator-unit-label active" id="metricLabel">Metric</span>
<label class="dog-calculator-switch">
<input type="checkbox" id="unitToggle">
<span class="dog-calculator-slider"></span>
</label>
<span class="dog-calculator-unit-label" id="imperialLabel">Imperial</span>
</div>
</div>
<div class="dog-calculator-form-group">
<label for="dogType">Dog Type / Activity Level:</label>
<select id="dogType" aria-describedby="dogTypeHelp">
<option value="">Select dog type...</option>
<option value="3.0">Puppy (0-4 months)</option>
<option value="2.0">Puppy (4 months - adult)</option>
<option value="1.2">Adult - inactive/obese</option>
<option value="1.6">Adult (neutered/spayed) - average activity</option>
<option value="1.8">Adult (intact) - average activity</option>
<option value="1.0">Adult - weight loss</option>
<option value="1.7">Adult - weight gain</option>
<option value="2.0">Working dog - light work</option>
<option value="3.0">Working dog - moderate work</option>
<option value="5.0">Working dog - heavy work</option>
<option value="1.1">Senior dog</option>
</select>
</div>
<div class="dog-calculator-form-group">
<label for="weight" id="weightLabel">Dog's Weight (kg):</label>
<input type="number" id="weight" min="0.1" step="0.1" placeholder="Enter weight in kg" aria-describedby="weightHelp">
<div id="weightError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid weight (minimum 0.1 kg)</div>
</div>
<div class="dog-calculator-results" id="calorieResults" style="display: none;">
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Resting Energy Requirement (RER):</span>
<span class="dog-calculator-result-value" id="rerValue">- cal/day</span>
</div>
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Maintenance Energy Requirement (MER):</span>
<span class="dog-calculator-result-value" id="merValue">- cal/day</span>
</div>
</div>
</div>
<div class="dog-calculator-collapsible active" id="foodCalculator">
<div class="dog-calculator-collapsible-header">
<h3>How much should I feed?</h3>
</div>
<div class="dog-calculator-collapsible-content">
<div class="dog-calculator-collapsible-inner">
<div class="dog-calculator-form-group">
<label for="foodEnergy" id="foodEnergyLabel">Food Energy Content (kcal/100g):</label>
<input type="number" id="foodEnergy" min="1" step="1" placeholder="Enter kcal per 100g" aria-describedby="foodEnergyHelp">
<div id="foodEnergyError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid energy content (minimum 1 kcal/100g)</div>
</div>
<div class="dog-calculator-results" id="dailyFoodResults" style="display: none;">
<div class="dog-calculator-result-item">
<span class="dog-calculator-result-label">Daily Food Amount:</span>
<span class="dog-calculator-result-value" id="dailyFoodValue">- g/day</span>
</div>
</div>
<div class="dog-calculator-form-group" style="margin-top: 20px;">
<label for="days">Number of Days:</label>
<input type="number" id="days" min="1" step="1" value="1" placeholder="Enter number of days" aria-describedby="daysHelp">
<div id="daysError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid number of days (minimum 1)</div>
</div>
<div class="dog-calculator-input-group">
<div class="dog-calculator-form-group">
<label for="totalFoodDisplay">Total Food Amount:</label>
<input type="text" id="totalFoodDisplay" readonly>
</div>
<div class="dog-calculator-form-group">
<label for="unit">Unit:</label>
<select id="unit" class="dog-calculator-unit-select" aria-describedby="unitHelp">
<option value="g">grams (g)</option>
<option value="kg">kilograms (kg)</option>
<option value="oz">ounces (oz)</option>
<option value="lb">pounds (lb)</option>
</select>
</div>
</div>
</div>
</div>
</div>
<div class="dog-calculator-action-buttons">
<button class="dog-calculator-btn dog-calculator-btn-share" onclick="alert('Share functionality not available in iframe mode')">
Share
</button>
<button class="dog-calculator-btn dog-calculator-btn-embed" onclick="alert('Embed functionality not available in iframe mode')">
Embed
</button>
</div>
<div class="dog-calculator-footer">
<a href="https://caninenutritionandwellness.com" target="_blank" rel="noopener noreferrer">
by caninenutritionandwellness.com
</a>
</div>
</div>
<script>
/**
* Dog Calorie Calculator - iframe version
* by Canine Nutrition and Wellness
*/
class DogCalorieCalculator {
constructor() {
this.currentMER = 0;
this.isImperial = false;
this.theme = this.getThemeFromURL() || 'system';
this.init();
}
init() {
this.applyTheme();
this.bindEvents();
this.updateUnitLabels();
this.setupIframeResize();
// Show the calculator with fade-in
const container = document.getElementById('dogCalculator');
container.classList.add('loaded');
}
getThemeFromURL() {
const urlParams = new URLSearchParams(window.location.search);
const theme = urlParams.get('theme');
return ['light', 'dark', 'system'].includes(theme) ? theme : null;
}
applyTheme() {
const container = document.getElementById('dogCalculator');
container.classList.remove('theme-light', 'theme-dark', 'theme-system');
container.classList.add(`theme-${this.theme}`);
}
bindEvents() {
const weightInput = document.getElementById('weight');
const dogTypeSelect = document.getElementById('dogType');
const foodEnergyInput = document.getElementById('foodEnergy');
const daysInput = document.getElementById('days');
const unitSelect = document.getElementById('unit');
const unitToggle = document.getElementById('unitToggle');
if (weightInput) {
weightInput.addEventListener('input', () => this.updateCalorieCalculations());
weightInput.addEventListener('blur', () => this.validateWeight());
}
if (dogTypeSelect) dogTypeSelect.addEventListener('change', () => this.updateCalorieCalculations());
if (foodEnergyInput) {
foodEnergyInput.addEventListener('input', () => this.updateFoodCalculations());
foodEnergyInput.addEventListener('blur', () => this.validateFoodEnergy());
}
if (daysInput) {
daysInput.addEventListener('input', () => this.updateFoodCalculations());
daysInput.addEventListener('blur', () => this.validateDays());
}
if (unitSelect) unitSelect.addEventListener('change', () => this.updateFoodCalculations());
if (unitToggle) unitToggle.addEventListener('change', () => this.toggleUnits());
}
toggleUnits() {
const toggle = document.getElementById('unitToggle');
this.isImperial = toggle.checked;
this.updateUnitLabels();
this.convertExistingValues();
this.updateCalorieCalculations();
}
updateUnitLabels() {
const metricLabel = document.getElementById('metricLabel');
const imperialLabel = document.getElementById('imperialLabel');
const weightLabel = document.getElementById('weightLabel');
const foodEnergyLabel = document.getElementById('foodEnergyLabel');
const weightInput = document.getElementById('weight');
const foodEnergyInput = document.getElementById('foodEnergy');
const unitSelect = document.getElementById('unit');
if (metricLabel && imperialLabel) {
metricLabel.classList.toggle('active', !this.isImperial);
imperialLabel.classList.toggle('active', this.isImperial);
}
if (this.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 (foodEnergyLabel) foodEnergyLabel.textContent = "Food Energy Content (kcal/oz):";
if (foodEnergyInput) {
foodEnergyInput.placeholder = "Enter kcal per oz";
foodEnergyInput.min = "0.03";
foodEnergyInput.step = "0.01";
}
if (unitSelect) {
unitSelect.innerHTML = `
<option value="oz">ounces (oz)</option>
<option value="lb">pounds (lb)</option>
<option value="g">grams (g)</option>
<option value="kg">kilograms (kg)</option>
`;
}
} 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 (foodEnergyLabel) foodEnergyLabel.textContent = "Food Energy Content (kcal/100g):";
if (foodEnergyInput) {
foodEnergyInput.placeholder = "Enter kcal per 100g";
foodEnergyInput.min = "1";
foodEnergyInput.step = "1";
}
if (unitSelect) {
unitSelect.innerHTML = `
<option value="g">grams (g)</option>
<option value="kg">kilograms (kg)</option>
<option value="oz">ounces (oz)</option>
<option value="lb">pounds (lb)</option>
`;
}
}
}
convertExistingValues() {
const weightInput = document.getElementById('weight');
const foodEnergyInput = document.getElementById('foodEnergy');
if (weightInput && weightInput.value) {
const currentWeight = parseFloat(weightInput.value);
if (!isNaN(currentWeight)) {
if (this.isImperial) {
weightInput.value = this.formatNumber(currentWeight * 2.20462, 1);
} else {
weightInput.value = this.formatNumber(currentWeight / 2.20462, 1);
}
}
}
if (foodEnergyInput && foodEnergyInput.value) {
const currentEnergy = parseFloat(foodEnergyInput.value);
if (!isNaN(currentEnergy)) {
if (this.isImperial) {
foodEnergyInput.value = this.formatNumber(currentEnergy / 3.52739, 2);
} else {
foodEnergyInput.value = this.formatNumber(currentEnergy * 3.52739, 0);
}
}
}
}
getWeightInKg() {
const weightInput = document.getElementById('weight');
if (!weightInput || !weightInput.value) return null;
const weight = parseFloat(weightInput.value);
if (isNaN(weight)) return null;
return this.isImperial ? weight / 2.20462 : weight;
}
getFoodEnergyPer100g() {
const foodEnergyInput = document.getElementById('foodEnergy');
if (!foodEnergyInput || !foodEnergyInput.value) return null;
const energy = parseFloat(foodEnergyInput.value);
if (isNaN(energy)) return null;
return this.isImperial ? energy * 3.52739 : energy;
}
calculateRER(weightKg) {
return 70 * Math.pow(weightKg, 0.75);
}
calculateMER(rer, factor) {
return rer * factor;
}
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;
}
showError(elementId, show = true) {
const errorElement = document.getElementById(elementId);
if (errorElement) {
if (show) {
errorElement.classList.remove('dog-calculator-hidden');
} else {
errorElement.classList.add('dog-calculator-hidden');
}
}
}
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;
}
}
formatNumber(num, decimals = 0) {
if (decimals === 0) {
return Math.round(num).toString();
}
return num.toFixed(decimals).replace(/\.?0+$/, '');
}
validateWeight() {
const weightKg = this.getWeightInKg();
if (weightKg !== null && weightKg < 0.1) {
this.showError('weightError', true);
} else {
this.showError('weightError', false);
}
}
validateFoodEnergy() {
const energyPer100g = this.getFoodEnergyPer100g();
if (energyPer100g !== null && energyPer100g < 1) {
this.showError('foodEnergyError', true);
} else {
this.showError('foodEnergyError', false);
}
}
validateDays() {
const days = document.getElementById('days')?.value;
if (days && !this.validateInput(days, 1, true)) {
this.showError('daysError', true);
} else {
this.showError('daysError', false);
}
}
updateCalorieCalculations() {
const dogTypeSelect = document.getElementById('dogType');
const calorieResults = document.getElementById('calorieResults');
const rerValue = document.getElementById('rerValue');
const merValue = document.getElementById('merValue');
if (!dogTypeSelect || !calorieResults || !rerValue || !merValue) {
return;
}
const weightKg = this.getWeightInKg();
const dogTypeFactor = dogTypeSelect.value;
this.showError('weightError', false);
if (!weightKg || weightKg < 0.1) {
const weightInput = document.getElementById('weight');
if (weightInput && weightInput.value) this.showError('weightError', true);
calorieResults.style.display = 'none';
return;
}
if (!dogTypeFactor) {
calorieResults.style.display = 'none';
return;
}
const factor = parseFloat(dogTypeFactor);
const rer = this.calculateRER(weightKg);
const mer = this.calculateMER(rer, factor);
this.currentMER = mer;
rerValue.textContent = this.formatNumber(rer, 0) + ' cal/day';
merValue.textContent = this.formatNumber(mer, 0) + ' cal/day';
calorieResults.style.display = 'block';
this.updateFoodCalculations();
this.sendHeightToParent();
}
updateFoodCalculations() {
if (this.currentMER === 0) return;
const daysInput = document.getElementById('days');
const unitSelect = document.getElementById('unit');
const dailyFoodResults = document.getElementById('dailyFoodResults');
const dailyFoodValue = document.getElementById('dailyFoodValue');
const totalFoodDisplay = document.getElementById('totalFoodDisplay');
if (!daysInput || !unitSelect || !dailyFoodResults || !dailyFoodValue || !totalFoodDisplay) {
return;
}
const energyPer100g = this.getFoodEnergyPer100g();
const days = daysInput.value;
const unit = unitSelect.value;
this.showError('foodEnergyError', false);
this.showError('daysError', false);
if (!energyPer100g || energyPer100g < 1) {
const foodEnergyInput = document.getElementById('foodEnergy');
if (foodEnergyInput && foodEnergyInput.value) this.showError('foodEnergyError', true);
dailyFoodResults.style.display = 'none';
totalFoodDisplay.value = '';
return;
}
if (!days || !this.validateInput(days, 1, true)) {
if (days) this.showError('daysError', true);
totalFoodDisplay.value = '';
return;
}
const numDays = parseInt(days);
const dailyFoodGrams = (this.currentMER / energyPer100g) * 100;
const totalFoodGrams = dailyFoodGrams * numDays;
dailyFoodValue.textContent = this.formatNumber(dailyFoodGrams, 1) + ' g/day';
dailyFoodResults.style.display = 'block';
const convertedAmount = this.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 = this.formatNumber(convertedAmount, decimals) + ' ' + unitLabel;
this.sendHeightToParent();
}
setupIframeResize() {
// Send height to parent window for iframe auto-resize
this.sendHeightToParent();
// Monitor for content changes that might affect height
const observer = new MutationObserver(() => {
setTimeout(() => this.sendHeightToParent(), 100);
});
observer.observe(document.body, {
childList: true,
subtree: true,
attributes: true
});
// Send height on window resize
window.addEventListener('resize', () => this.sendHeightToParent());
}
sendHeightToParent() {
const height = Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
if (window.parent && window.parent !== window) {
window.parent.postMessage({
type: 'dogCalculatorResize',
height: height
}, '*');
}
}
}
// Initialize calculator when DOM is ready
document.addEventListener('DOMContentLoaded', function() {
new DogCalorieCalculator();
});
</script>
</body>
</html>