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// Assembly Guide JavaScript
let currentStep = 1;
const totalSteps = 51;
// Map of available images (only step1 and step2 exist, rest are placeholders)
const availableImages = {
1: 'assets/p9.jpg',
2: 'assets/p10.jpg'
};
// DOM Elements
const stepDisplay = document.getElementById('stepDisplay');
const stepImage = document.getElementById('stepImage');
const placeholderText = document.getElementById('placeholderText');
const placeholderNumber = document.getElementById('placeholderNumber');
const placeholderStep = document.getElementById('placeholderStep');
const prevBtn = document.getElementById('prevBtn');
const nextBtn = document.getElementById('nextBtn');
const progressFill = document.getElementById('progressFill');
const indicatorsContainer = document.getElementById('indicators');
// Initialize
function init() {
createIndicators();
updateDisplay();
}
// Create step indicators
function createIndicators() {
const indicatorsToShow = Math.min(totalSteps, 10);
for (let i = 0; i < indicatorsToShow; i++) {
const button = document.createElement('button');
button.className = 'indicator';
button.setAttribute('aria-label', `Go to step ${i + 1}`);
button.addEventListener('click', () => {
const targetStep = Math.floor((currentStep - 1) / 10) * 10 + i + 1;
if (targetStep <= totalSteps) {
goToStep(targetStep);
}
});
indicatorsContainer.appendChild(button);
}
}
// Update indicators
function updateIndicators() {
const indicators = indicatorsContainer.children;
const startStep = Math.floor((currentStep - 1) / 10) * 10 + 1;
Array.from(indicators).forEach((indicator, i) => {
const step = startStep + i;
if (step > totalSteps) {
indicator.style.display = 'none';
} else {
indicator.style.display = 'block';
indicator.classList.toggle('active', step === currentStep);
}
});
}
// Update display
function updateDisplay() {
// Update step counter
stepDisplay.textContent = `Step ${currentStep}/${totalSteps}`;
// Update image or placeholder
if (availableImages[currentStep]) {
stepImage.src = availableImages[currentStep];
stepImage.alt = `Assembly step ${currentStep}`;
stepImage.style.display = 'block';
placeholderText.style.display = 'none';
} else {
stepImage.style.display = 'none';
placeholderText.style.display = 'block';
placeholderNumber.textContent = currentStep;
placeholderStep.textContent = currentStep;
}
// Update buttons
prevBtn.disabled = currentStep === 1;
nextBtn.disabled = currentStep === totalSteps;
// Update progress bar
const progress = (currentStep / totalSteps) * 100;
progressFill.style.width = `${progress}%`;
// Update indicators
updateIndicators();
}
// Go to specific step
function goToStep(step) {
if (step >= 1 && step <= totalSteps) {
currentStep = step;
updateDisplay();
}
}
// Next step
function nextStep() {
if (currentStep < totalSteps) {
currentStep++;
updateDisplay();
}
}
// Previous step
function prevStep() {
if (currentStep > 1) {
currentStep--;
updateDisplay();
}
}
// Event listeners
nextBtn.addEventListener('click', nextStep);
prevBtn.addEventListener('click', prevStep);
// Keyboard navigation
document.addEventListener('keydown', (e) => {
if (e.key === 'ArrowRight') {
nextStep();
} else if (e.key === 'ArrowLeft') {
prevStep();
}
});
// Initialize on load
init();
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