MediaWiki:Randownload.js：修订间差异

// The function to download a single random link (remains the same)
function downloadRandomLink(links) {
  if (!links || links.length === 0) {
    console.error("The provided links array is empty or invalid.");
    return;
  }
  const randomIndex = Math.floor(Math.random() * links.length);
  const randomLink = links[randomIndex];
  const linkElement = document.createElement('a');
  linkElement.href = randomLink;
  linkElement.download = `random_download_${Date.now()}`; // Example filename
  document.body.appendChild(linkElement);
  linkElement.click();
  setTimeout(() => {
    document.body.removeChild(linkElement);
  }, 100);
}

document.addEventListener('DOMContentLoaded', () => {
  // Select all divs that are designated as random link generators
  const linkGeneratorDivs = document.querySelectorAll('.random-link-generator');

  linkGeneratorDivs.forEach(containerDiv => {
    // Select all anchor (<a>) tags *within this specific div*
    const linkElements = containerDiv.querySelectorAll('a');
    const extractedLinks = [];

    linkElements.forEach(link => {
      if (link.href) {
        extractedLinks.push(link.href);
      }
    });

    if (extractedLinks.length > 0) {
      console.log("Found links in div:", extractedLinks);

      // Create a button for this specific div's link list
      const downloadButton = document.createElement('button');
      downloadButton.textContent = 'Download Random Link from this block';
      downloadButton.style.marginLeft = '10px'; // Add some spacing

      // Add an event listener to the button
      downloadButton.onclick = () => {
        downloadRandomLink(extractedLinks);
      };

      // Append the button to the DOM.
      // We'll append it after the div for better placement.
      // If the div contains other elements you want the button after,
      // you might need a more specific insertion point.
      containerDiv.parentNode.insertBefore(downloadButton, containerDiv.nextSibling);
    } else {
      console.log("No links found within a .random-link-generator div.");
    }
  });
});