jQuery UI & Droppable: A Simple Photo Manager

This entry is part 6 of 7 in the series jQuery UI Droppable

jQuery UI Droppable – Simple photo manager

In this simple photo manager, you can delete an image either by dragging it to the Trash or by clicking the trash icon.

You can “recycle” an image by dragging it back to the gallery or by clicking the recycle icon.

You can view larger image by clicking the zoom icon.  jQuery UI dialog widget is used for the modal window.

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>jQuery UI Droppable - Simple photo manager</title>
    <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
    <script src="//code.jquery.com/jquery-1.9.1.js"></script>
    <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
    <link rel='stylesheet' href='http://codecrawl.com/code/jqueryui/jqueryui_style.css'>
    <style>
        #gallery {
            float: left;
            width: 65%;
            min-height: 12em;
        }

        .gallery.custom-state-active {
            background: #eee;
        }

        .gallery li {
            float: left;
            width: 96px;
            padding: 0.4em;
            margin: 0 0.4em 0.4em 0;
            text-align: center;
        }

        .gallery li h5 {
            margin: 0 0 0.4em;
            cursor: move;
        }

        .gallery li a {
            float: right;
        }

        .gallery li a.ui-icon-zoomin {
            float: left;
        }

        .gallery li img {
            width: 100%;
            cursor: move;
        }

        #trash {
            float: right;
            width: 32%;
            min-height: 18em;
            padding: 1%;
        }

        #trash h4 {
            line-height: 16px;
            margin: 0 0 0.4em;
        }

        #trash h4 .ui-icon {
            float: left;
        }

        #trash .gallery h5 {
            display: none;
        }
    </style>
    <script>
        $(function () {
            // there's the gallery and the trash
            var $gallery = $("#gallery"),
                    $trash = $("#trash");

            // let the gallery items be draggable
            $("li", $gallery).draggable({
                cancel: "a.ui-icon", // clicking an icon won't initiate dragging
                revert: "invalid", // when not dropped, the item will revert back to its initial position
                containment: "document",
                helper: "clone",
                cursor: "move"
            });

            // let the trash be droppable, accepting the gallery items
            $trash.droppable({
                accept: "#gallery > li",
                activeClass: "ui-state-highlight",
                drop: function (event, ui) {
                    deleteImage(ui.draggable);
                }
            });

            // let the gallery be droppable as well, accepting items from the trash
            $gallery.droppable({
                accept: "#trash li",
                activeClass: "custom-state-active",
                drop: function (event, ui) {
                    recycleImage(ui.draggable);
                }
            });

            // image deletion function
            var recycle_icon = "<a href='link/to/recycle/script/when/we/have/js/off' title='Recycle this image' class='ui-icon ui-icon-refresh'>Recycle image</a>";

            function deleteImage($item) {
                $item.fadeOut(function () {
                    var $list = $("ul", $trash).length ?
                            $("ul", $trash) :
                            $("<ul class='gallery ui-helper-reset'/>").appendTo($trash);

                    $item.find("a.ui-icon-trash").remove();
                    $item.append(recycle_icon).appendTo($list).fadeIn(function () {
                        $item
                                .animate({ width: "48px" })
                                .find("img")
                                .animate({ height: "36px" });
                    });
                });
            }

            // image recycle function
            var trash_icon = "<a href='link/to/trash/script/when/we/have/js/off' title='Delete this image' class='ui-icon ui-icon-trash'>Delete image</a>";

            function recycleImage($item) {
                $item.fadeOut(function () {
                    $item
                            .find("a.ui-icon-refresh")
                            .remove()
                            .end()
                            .css("width", "96px")
                            .append(trash_icon)
                            .find("img")
                            .css("height", "72px")
                            .end()
                            .appendTo($gallery)
                            .fadeIn();
                });
            }

            // image preview function, demonstrating the ui.dialog used as a modal window
            function viewLargerImage($link) {
                var src = $link.attr("href"),
                        title = $link.siblings("img").attr("alt"),
                        $modal = $("img[src$='" + src + "']");

                if ($modal.length) {
                    $modal.dialog("open");
                } else {
                    var img = $("<img alt='" + title + "' width='384' height='288' style='display: none; padding: 8px;' />")
                            .attr("src", src).appendTo("body");
                    setTimeout(function () {
                        img.dialog({
                            title: title,
                            width: 400,
                            modal: true
                        });
                    }, 1);
                }
            }

            // resolve the icons behavior with event delegation
            $("ul.gallery > li").click(function (event) {
                var $item = $(this),
                        $target = $(event.target);

                if ($target.is("a.ui-icon-trash")) {
                    deleteImage($item);
                } else if ($target.is("a.ui-icon-zoomin")) {
                    viewLargerImage($target);
                } else if ($target.is("a.ui-icon-refresh")) {
                    recycleImage($item);
                }

                return false;
            });
        });
    </script>
</head>
<body>

<div class="ui-widget ui-helper-clearfix">

    <ul id="gallery" class="gallery ui-helper-reset ui-helper-clearfix">
        <li class="ui-widget-content ui-corner-tr">
            <h5 class="ui-widget-header">High Tatras</h5>
            <img src="http://jqueryui.com/resources/demos/droppable/images/high_tatras_min.jpg" alt="The peaks of High Tatras" width="96" height="72">
            <a href="http://jqueryui.com/resources/demos/droppable/images/high_tatras.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="http://jqueryui.com/resources/demos/droppable/link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete
                image</a>
        </li>
        <li class="ui-widget-content ui-corner-tr">
            <h5 class="ui-widget-header">High Tatras 2</h5>
            <img src="http://jqueryui.com/resources/demos/droppable/images/high_tatras2_min.jpg" alt="The chalet at the Green mountain lake" width="96" height="72">
            <a href="http://jqueryui.com/resources/demos/droppable/images/high_tatras2.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="http://jqueryui.com/resources/demos/droppable/link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete
                image</a>
        </li>
        <li class="ui-widget-content ui-corner-tr">
            <h5 class="ui-widget-header">High Tatras 3</h5>
            <img src="http://jqueryui.com/resources/demos/droppable/images/high_tatras3_min.jpg" alt="Planning the ascent" width="96" height="72">
            <a href="http://jqueryui.com/resources/demos/droppable/images/high_tatras3.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="http://jqueryui.com/resources/demos/droppable/link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete
                image</a>
        </li>
        <li class="ui-widget-content ui-corner-tr">
            <h5 class="ui-widget-header">High Tatras 4</h5>
            <img src="http://jqueryui.com/resources/demos/droppable/images/high_tatras4_min.jpg" alt="On top of Kozi kopka" width="96" height="72">
            <a href="http://jqueryui.com/resources/demos/droppable/images/high_tatras4.jpg" title="View larger image" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="http://jqueryui.com/resources/demos/droppable/link/to/trash/script/when/we/have/js/off" title="Delete this image" class="ui-icon ui-icon-trash">Delete
                image</a>
        </li>
    </ul>

    <div id="trash" class="ui-widget-content ui-state-default">
        <h4 class="ui-widget-header"><span class="ui-icon ui-icon-trash">Trash</span> Trash</h4>
    </div>

</div>


</body>
</html>
Try The Code
Series Navigation<< jQuery UI & Droppable: Prevent Propagation
jQuery UI & Droppable: Revert Draggable Position >>

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