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• Image Reorderer API
• Reorderer API
• Talking to the Server Using The afterMove Event

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<form action="#" id="reorder-images-form">
    ...

This example uses an ID, but you might, for example, use a CSS class, or the element hierarchy - whatever works, so long as it uniquely identifies the right element.

<form action="#" id="reorder-images-form">
    <a href="myImage1.jpg" class="flc-imageReorderer-item">
        <img src="myImage1.jpg" alt="image 1 thumbnail" />
        <span>Image 1</span>
        <input name="image 1" value="0" type="hidden" /> 
    </a>
    <a href="myImage2.jpg" class="flc-imageReorderer-item">
        <img src="myImage2.jpg" alt="image 2 thumbnail" />
        <span>Image 2</span>
        <input name="image 2" value="1" type="hidden" /> 
    </a>
    <a href="myImage3.jpg" class="flc-imageReorderer-item">
        <img src="myImage3.jpg" alt="image 3 thumbnail" />
        <span>Image 3</span>
        <input name="image 3" value="2" type="hidden" /> 
    </a>
    ...
</form>

As with the ID on the <form>, we can use any jQuery selector for the reorderable images. For example, we could attach a unique ID to each movable <a> with a unique prefix, maybe pic-movable1, pic-movable2, etc. Then we could use the jQuery selector [fluid:id^=pic-movable] to override the default selector.

jQuery(document).ready(function () {
    return fluid.reorderImages("#reorder-images-form");
});

If you choose to use a custom selector for the movable items (instead of the default classname), you can override the default using options passed as the second parameter. Define an options block that specifies the selector you'd like, and pass it to the function:

jQuery(document).ready(function () {
    var opts = {
        selectors: {
            movables: "[id^=pic-movable]"
        }
    };
    return fluid.reorderImages("#reorder-images-form", opts);
});

For more information on selectors and other options, see the Image Reorderer API documentation.