1 files changed, 80 insertions, 0 deletions

diff --git a/public/javascripts/related_assets.js b/public/javascripts/related_assets.js
new file mode 100644
index 0000000..2955cbf
--- /dev/null
+++ b/public/javascripts/related_assets.js
@@ -0,0 +1,80 @@
+related_assets = {
+  initialize: function() {
+    var container = $("#related_assets");
+    var searchUrl = container.data("search-url");
+    var createUrl = container.data("create-url");
+    var list = $("#related_asset_list");
+
+    initSearchPicker({
+      inputSelector: "#related_asset_search_term",
+      resultsSelector: "#related_asset_search_results",
+      url: searchUrl,
+      loadOnFocus: true,
+      renderResults: function(data, results) {
+        var found = false;
+        data.forEach(function(asset) {
+          var item = $(
+            "<a href='#' class='related_asset_result'>" +
+              "<img src='" + asset.thumb_url + "' alt=''>" +
+              "<span>" + asset.name + "</span>" +
+            "</a>"
+          );
+          item.bind("click", function() {
+            related_assets.attach(asset.id, createUrl, list);
+            return false;
+          });
+          results.append(item);
+          found = true;
+        });
+        return found;
+      }
+    });
+
+    $(document).on("click", function(e) {
+      if (!$(e.target).closest("#related_assets").length) {
+        $("#related_asset_search_results").slideUp().empty();
+      }
+    });
+
+    list.sortable({
+      handle: ".related_asset_handle",
+      update: function(event, ui) {
+        var newPosition = ui.item.index() + 1; // acts_as_list is 1-based; jQuery UI's index() is 0-based
+        $.ajax({
+          type: "PATCH",
+          url: ui.item.data("url"),
+          data: "position=" + newPosition
+        });
+      }
+    });
+
+    list.on("click", ".related_asset_remove", function() {
+      var item = $(this).closest("li");
+      $.ajax({
+        type: "DELETE",
+        url: item.data("url"),
+        success: function() {
+          item.remove();
+        }
+      });
+    });
+  },
+
+  attach: function(assetId, createUrl, list) {
+    $.ajax({
+      type: "POST",
+      url: createUrl,
+      data: "asset_id=" + assetId,
+      dataType: "json",
+      success: function(related) {
+        var item = $($("#related_asset_template").html().trim());
+        item.attr("data-url", related.url);
+        item.find("img").attr("src", related.thumb_url);
+        list.append(item);
+        list.sortable("refresh");
+        $("#related_asset_search_term").val("");
+        $("#related_asset_search_results").slideUp().empty();
+      }
+    });
+  }
+};