jQuery script for swapping images on hover/rollover on Drupal 7 + Views

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I tried to find the way to make do the rollover image using Views but after searching and looking into many websites, it doesn't seem to have clear the instruction how to do it.  So, here is what I did to make it work. First of all, you need to download and install Image URL Formatter here -> http://drupal.org/project/image_url_formatter

1. Create a new content with 2 image fields. The Regular image field and a Rollover image field.

2. Create a new view. In the FIELDS, add Rollover image field first, follow by Regular image field.

3. Configure Rollover image field

  • Check on "Exclude from display"
  • Set Formatter as Image URL

Rollover Image Setting Screen Capture
3. Configure Rollover image field
 

4. 3. Configure Regular image field as below :

  • Set Formatter as Image URL
  • Check on Rewrite the output of this field
  • Type below HTML into the text box
<img src="[field_regular_image]" rel="[field_rollover_image]" class="rollover" />

Regular Image Setting Screen Capture
4. Configure Regular image field
4. Configure Regular image field

5. Now, save your views.  Then, you have to create a JS file to make it work. Let's created it in your theme directory. I use Zeropoint Theme, so, I create rollover.js in _custom folder under Zeropoint directory :

rollover.js file location

6. in rollover.js, paste the code below into it :

(function ($) {

$(document).ready(function() {
 
//rollover swap images with rel 
  var img_src = "";
  var new_src = "";
 
    $(".rollover").hover(function(){
      //mouseover
 
      img_src = $(this).attr('src'); //grab original image
      new_src = $(this).attr('rel'); //grab rollover image
      $(this).attr('src', new_src); //swap images
      $(this).attr('rel', img_src); //swap images
 
    },
    function(){
      //mouse out
 
      $(this).attr('src', img_src); //swap images
      $(this).attr('rel', new_src); //swap images
    });
 
  //preload images
    var cache = new Array();
    //cycle through all rollover elements and add rollover img src to cache array
    $(".rollover").each(function(){
      var cacheImage = document.createElement('img');
      cacheImage.src = $(this).attr('rel');
      cache.push(cacheImage);
    }); 
  });
})(jQuery);

 

7.  Now, edit "zeropoint.info" to load rollover.js. Just add below line into the file :

scripts[] = /_custom/rollover.js

It will look like below image :

zeropoint.info

That's it.  Now, test your rollover image. It should work the way we want it to be.

 

Software Tested :

  • Drupal 7.18
  • Views 7.x-3.5
  • Image URL Formatter 7.x-1.0

 

Source :

  • http://grasmash.com/article/simple-jquery-script-swapping-images-hoverrollover

Comments

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https://bit.ly/3cp1Ln3

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