beautiful outfits tab using thumbnails

app/stylesheets/outfits/_edit.sass

@@ -39,85 +39,6 @@ $outfit-content-inner-width: $outfit-content-width - $outfit-header-padding
   border-bottom-color: white
   font-weight: bold
 
-=outfit
-  +outfit-star-shifted
-  padding: .25em 0
-  //.outfit-thumbnail
-    float: left
-    height: $outfit-thumbnail-size
-    margin-right: $outfit-thumbnail-margin
-    overflow: hidden
-    position: relative
-    width: $outfit-thumbnail-size
-  img
-    height: $outfit-thumbnail-original-size
-    left: -$outfit-thumbnail-original-size / 4
-    position: absolute
-    top: -$outfit-thumbnail-original-size / 4
-    width: $outfit-thumbnail-original-size
-  .outfit-delete
-    +reset-awesome-button
-    +opacity(.5)
-    font-size: 150%
-    float: right
-    line-height: 1
-    margin-top: -.125em
-    padding: .125em .25em
-    &:hover
-      +opacity(1)
-      background: $module-bg-color
-  header
-    display: block
-    padding-left: $outfit-header-padding
-  h4
-    cursor: pointer
-    display: inline
-    &:hover
-      text-decoration: underline
-  h4, .outfit-rename-field
-    font-size: 115%
-  .outfit-rename-button, .outfit-rename-form
-    display: none
-  .outfit-rename-button
-    +opacity(.75)
-    font-size: 75%
-    margin-left: 1em
-  .outfit-url
-    +opacity(.5)
-    background: transparent
-    border-width: 0
-    width: $outfit-content-inner-width
-    &:hover
-      +opacity(1)
-      border-width: 1px
-  .outfit-delete-confirmation
-    display: none
-    font-size: 75%
-    span
-      color: red
-    a
-      margin: 0 .25em
-  &.active
-    background: $module-bg-color
-  &.confirming-deletion
-    .outfit-delete
-      visibility: hidden
-    .outfit-url
-      display: none
-    .outfit-delete-confirmation
-      display: block
-  &.renaming
-    h4
-      display: none
-    .outfit-rename-form
-      display: inline
-    &:hover
-      .outfit-rename-button
-        display: none
-  &:hover
-    .outfit-rename-button
-      display: inline
-
 =sidebar-view-child
   margin:
     left: $sidebar-unit-horizontal-padding
@@ -471,20 +392,144 @@ body.outfits-edit
     display: none
     text-align: left
     
+    $outfit-inner-size: 110px
+    $outfit-margin: 1px
+    $outfit-outer-size: $outfit-inner-size + ($outfit-margin * 2)
     > ul
       +sidebar-view-child
       background: image-url("loading.gif") no-repeat center top
       display: none
       font-family: $main-font
       list-style: none
-      margin:
-        bottom: 1em
+      margin: 0 auto 1em
       min-height: 16px
-      > li
-        +outfit
+      width: $outfit-outer-size * 3
+      
       &.loaded
         background: transparent
       
+      > li
+        +inline-block
+        +outfit-star
+        height: $outfit-inner-size
+        margin: $outfit-margin
+        width: $outfit-inner-size
+        overflow: hidden
+        position: relative
+        
+        $outfit-header-h-padding: 4px
+        $outfit-header-v-padding: 2px
+        $outfit-header-inner-width: $outfit-inner-size - (2 * $outfit-header-h-padding)
+        header, footer, .outfit-delete-confirmation
+          color: white
+          font-size: 85%
+          left: 0
+          padding: $outfit-header-v-padding $outfit-header-h-padding
+          position: absolute
+          width: $outfit-header-inner-width
+          z-index: 2
+        
+        header, footer
+          background: black
+          background: rgba(0, 0, 0, 0.75)
+        
+        header
+          +opacity(0.75)
+          bottom: 0
+          cursor: pointer
+        
+        footer, .outfit-delete-confirmation
+          display: none
+          top: 0
+        
+        .outfit-delete-confirmation
+          background: red
+          background: rgba(255, 50, 50, 0.75)
+          text-align: center
+          top: 0
+          
+          span
+            font-weight: bold
+        
+        $outfit-thumbnail-size: 150px
+        $outfit-thumbnail-offset: ($outfit-inner-size - $outfit-thumbnail-size) / 2
+        .outfit-thumbnail
+          +opacity(.5)
+          cursor: pointer
+          display: none
+          left: $outfit-thumbnail-offset
+          position: absolute
+          top: $outfit-thumbnail-offset
+          z-index: 1
+        
+        .outfit-star
+          bottom: 0
+          margin-right: 4px
+        
+        .outfit-delete
+          float: right
+        
+        .outfit-rename-button
+          float: left
+        
+        .outfit-rename-button, .outfit-delete
+          font-size: 85%
+          text-decoration: none
+          
+          &:hover
+            text-decoration: underline
+        
+        .outfit-rename-form
+          display: none
+          
+          input
+            background: transparent
+            border: 1px solid white
+            width: 6em
+        
+        a
+          color: white
+        
+        &:hover
+          header
+            +opacity(1)
+          
+          .outfit-thumbnail
+            +opacity(0.75)
+          
+          footer
+            display: block
+        
+        &.active
+          header
+            +opacity(1)
+            font-weight: bold
+          
+          .outfit-thumbnail
+            +opacity(1)
+        
+        &.confirming-deletion
+          footer
+            display: none
+          
+          .outfit-delete-confirmation
+            display: block
+        
+        &.renaming
+          .outfit-name
+            display: none
+          
+          .outfit-rename-form
+            display: inline
+        
+        &.thumbnail-available
+          .outfit-thumbnail
+            display: block
+        
+        &.loading
+          .outfit-star
+            background-image: image-url("loading_outfit_pane.gif")
+    
     #preview-outfits-not-logged-in
       text-align: center
       
@@ -690,17 +735,6 @@ body.outfits-edit
     +opacity(.5)
     display: none
 
-  #new-outfit
-    +outfit
-    +sidebar-view-child
-    display: none
-    h4
-      display: inline
-      &:hover
-        text-decoration: none
-    .outfit-star
-      margin-top: .5em
-
   #new-outfit-name
     font: inherit
     line-height: 1
@@ -720,7 +754,7 @@ body.outfits-edit
     display: none
 
   form#save-outfit-form
-    +outfit
+    +outfit-star-shifted
     display: none
     margin-right: 0
     padding: 0    

app/stylesheets/outfits/_star.sass

@@ -15,8 +15,6 @@
     background-image: image-url("star.png")
   &.loading .outfit-star
     background-image: image-url("loading.gif")
-  &.loading.active .outfit-star
-    background-image: image-url("loading_current_outfit.gif")
 
 =outfit-star-shifted
   +outfit-star

app/views/outfits/edit.html.haml

@@ -160,18 +160,19 @@
   %script#outfit-template{:type => 'text/x-jquery-tmpl'}
     <li class="outfit-${id}{{if starred}} starred{{/if}}">
     %header
-      %button.outfit-delete &times;
       .outfit-star
-      %h4 ${name}
-      %a.outfit-rename-button{:href => '#'} rename
+      %span.outfit-name ${name}
       %form.outfit-rename-form
         %input.outfit-rename-field{:type => 'text'}
-    %input.outfit-url{:type => 'text', :value => "http://#{request.host}/outfits/${id}"}
+    %footer
+      %a.outfit-rename-button{:href => '#'} rename
+      %a.outfit-delete{:href => '#'} delete
+    %img.outfit-thumbnail
     .outfit-delete-confirmation
-      %span Delete forever?
+      %span Delete?
       %a.outfit-delete-confirmation-yes{:href => '#'} yes
       \/
-      %a.outfit-delete-confirmation-no{:href => '#'} no, thanks
+      %a.outfit-delete-confirmation-no{:href => '#'} no
     </li>
 - content_for :javascripts do
   = include_javascript_libraries :jquery, :swfobject, :jquery_tmpl

public/javascripts/outfits/edit.js

@@ -519,12 +519,32 @@ View.Outfits = function (wardrobe) {
 
   /* Outfits list */
   
+  var list_image_subscriptions = {};
+  
+  function listSubscribeToImage(outfit) {
+    list_image_subscriptions[outfit.id] = wardrobe.image_subscriptions.subscribe(outfit);
+  }
+  
+  function listUnsubscribeFromImage(outfit) {
+    if(outfit.id in list_image_subscriptions) {
+      if(list_image_subscriptions[outfit.id] !== null) {
+        wardrobe.image_subscriptions.unsubscribe(list_image_subscriptions[outfit.id]);
+      }
+      
+      delete list_image_subscriptions[outfit.id];
+    }
+  }
+
   $('#outfit-template').template('outfitTemplate');
 
   wardrobe.outfits.bind('outfitsLoaded', function (outfits) {
     var outfit_els = $.tmpl('outfitTemplate', outfits);
     outfits_list_el.html('').append(outfit_els).addClass('loaded');
     updateActiveOutfit();
+    
+    for(var i = 0; i < outfits.length; i++) {
+      listSubscribeToImage(outfits[i]);
+    }
   });
 
   wardrobe.outfits.bind('addOutfit', function (outfit, i) {
@@ -536,22 +556,27 @@ View.Outfits = function (wardrobe) {
       outfit_el.appendTo(outfits_list_el);
     }
     updateActiveOutfit();
-    outfit_el.hide().show('normal');
+    
+    var naturalWidth = outfit_el.width();
+    log("Natural width is", naturalWidth);
+    outfit_el.width(0).animate({width: naturalWidth}, 'normal');
+    listSubscribeToImage(outfit);
   });
 
   wardrobe.outfits.bind('removeOutfit', function (outfit, i) {
     var outfit_el = outfits_list_el.children().not('.hiding').eq(i);
-    outfit_el.addClass('hiding').stop(true).hide('normal', function () { outfit_el.remove() });
+    outfit_el.addClass('hiding').stop(true).animate({width: 0}, 'normal', function () { outfit_el.remove() });
+    listUnsubscribeFromImage(outfit);
   });
 
-  $('#preview-outfits h4').live('click', function () {
+  $('#preview-outfits li header, #preview-outfits li .outfit-thumbnail').live('click', function () {
     wardrobe.outfits.load($(this).tmplItem().data.id);
   });
 
   $('a.outfit-rename-button').live('click', function (e) {
     e.preventDefault();
     var li = $(this).closest('li').addClass('renaming'),
-      name = li.find('h4').text();
+      name = li.find('span.outfit-name').text();
     li.find('input.outfit-rename-field').val(name).focus();
   });
 
@@ -578,7 +603,8 @@ View.Outfits = function (wardrobe) {
     this.blur();
   });
 
-  $('button.outfit-delete').live('click', function (e) {
+  $('a.outfit-delete').live('click', function (e) {
+    e.stopPropagation();
     e.preventDefault();
     $(this).closest('li').addClass('confirming-deletion');
   });
@@ -597,7 +623,8 @@ View.Outfits = function (wardrobe) {
     $(this).closest('li').removeClass('confirming-deletion');
   });
 
-  stars.live('click', function () {
+  stars.live('click', function (e) {
+    e.stopPropagation();
     var el = $(this);
     el.closest('li').startLoading();
     wardrobe.outfits.toggleOutfitStar(el.tmplItem().data);
@@ -646,6 +673,32 @@ View.Outfits = function (wardrobe) {
     }
   });
   
+  function outfitElement(outfit) {
+    return outfits_el.find('li.outfit-' + outfit.id);
+  }
+  
+  wardrobe.outfits.bind('saveSuccess', function (outfit) {
+    listSubscribeToImage(outfit);
+  });
+  
+  wardrobe.image_subscriptions.bind('imageEnqueued', function (outfit) {
+    if(outfit.id in list_image_subscriptions) {
+      log("List sees imageEnqueued for", outfit);
+      outfitElement(outfit).removeClass('thumbnail-loaded');
+    }
+  });
+  
+  wardrobe.image_subscriptions.bind('imageReady', function (outfit) {
+    if(outfit.id in list_image_subscriptions) {
+      log("List sees imageReady for", outfit);
+      listUnsubscribeFromImage(outfit);
+      
+      var src = outfit.image_versions.small + '?' + (new Date()).getTime();
+      outfitElement(outfit).addClass('thumbnail-loaded').addClass('thumbnail-available').
+        children('img.outfit-thumbnail').attr('src', src);
+    }
+  });
+  
   /* Sharing */
   
   var sharing = new function Sharing() {
@@ -697,19 +750,17 @@ View.Outfits = function (wardrobe) {
     
     var image_subscription = null;
     function unsubscribeFromImage() {
-      if(image_subscription !== null) {
-        wardrobe.image_subscriptions.unsubscribe(image_subscription);
-        image_subscription = null;
-      }
+      wardrobe.image_subscriptions.unsubscribe(image_subscription);
+      image_subscription = null;
     }
     
     function subscribeToImage(outfit) {
       image_subscription = wardrobe.image_subscriptions.subscribe(outfit);
     }
     
-    function subscribeToImageIfVisible() {
-      if(current_shared_outfit && sidebar_el.hasClass('sharing')) {
-        subscribeToImage(current_shared_outfit);
+    function subscribeToImageIfVisible(outfit) {
+      if(outfit && sidebar_el.hasClass('sharing')) {
+        subscribeToImage(outfit);
       }
     }
     
@@ -738,7 +789,7 @@ View.Outfits = function (wardrobe) {
         urls.large_image = pathToUrl(outfit.image_versions.large);
         formatUrls();
         WRAPPER.removeClass('thumbnail-available');
-        subscribeToImageIfVisible();
+        subscribeToImageIfVisible(current_shared_outfit);
       }
       WRAPPER.addClass('urls-loaded');
     }
@@ -752,7 +803,7 @@ View.Outfits = function (wardrobe) {
     }
     
     this.onShow = function () {
-      subscribeToImageIfVisible();
+      subscribeToImageIfVisible(wardrobe.outfits.getOutfit());
     }
     
     function formatUrls() {
@@ -775,19 +826,21 @@ View.Outfits = function (wardrobe) {
     }
     
     wardrobe.image_subscriptions.bind('imageEnqueued', function (outfit) {
-      log("Sharing thumbnail enqueued for outfit", outfit);
-      
-      WRAPPER.removeClass('thumbnail-loaded');
+      if(outfit.id == current_shared_outfit.id) {
+        log("Sharing thumbnail enqueued for outfit", outfit);
+        WRAPPER.removeClass('thumbnail-loaded');
+      }
     });
     
     wardrobe.image_subscriptions.bind('imageReady', function (outfit) {
-      log("Sharing thumbnail ready for outfit", outfit);
-      
-      var src = outfit.image_versions.small + '?' + outfit.image_layers_hash;
-      thumbnail_el.attr('src', src);
-      WRAPPER.addClass('thumbnail-loaded');
-      WRAPPER.addClass('thumbnail-available');
-      image_subscription = null;
+      if(outfit.id == current_shared_outfit.id) {
+        log("Sharing thumbnail ready for outfit", outfit);
+        var src = outfit.image_versions.small + '?' + outfit.image_layers_hash;
+        thumbnail_el.attr('src', src);
+        WRAPPER.addClass('thumbnail-loaded');
+        WRAPPER.addClass('thumbnail-available');
+        unsubscribeFromImage(outfit);
+      }
     });
     
     wardrobe.outfits.bind('updateSuccess', function (outfit) {

public/javascripts/wardrobe.js

@@ -1137,25 +1137,41 @@ function Wardrobe() {
     }
     
     this.subscribe = function (outfit) {
-      if(!(outfit.id in outfitSubscriptionTotals)) {
-        outfitSubscriptionTotals[outfit.id] = 0;
-      }
-      outfitSubscriptionTotals[outfit.id] += 1;
-      
-      if(outfit.image_enqueued) {
-        // If the image is enqueued, trigger that event and start checking.
-        controller.events.trigger('imageEnqueued', outfit);
-        checkSubscription(outfit);
-        return outfit;
+      if(outfit.id in outfitSubscriptionTotals) {
+        // The subscription is already running. Just mark that one more
+        // consumer is interested in it, and they'll all get a response soon.
+        outfitSubscriptionTotals[outfit.id] += 1;
       } else {
-        // Otherwise, never bother checking: skip straight to the ready phase.
-        controller.events.trigger('imageReady', outfit);
-        return null;
+        // This is a new subscription!
+        outfitSubscriptionTotals[outfit.id] = 1;
+      
+        if(outfit.image_enqueued) {
+          // If the image is enqueued, trigger that event and start checking.
+          controller.events.trigger('imageEnqueued', outfit);
+          checkSubscription(outfit);
+        } else {
+          // Otherwise, never bother checking: skip straight to the ready phase.
+          // Give it an instant timeout so that we're sure the consumer is ready
+          // for the event. (It can be tricky when the consumer assigns this
+          // return value somewhere to know if it cares about the event, so the
+          // event can't fire before the return.)
+          setTimeout(function () {
+            controller.events.trigger('imageReady', outfit)
+          }, 0);
+        }
+        
+        return outfit;
       }
     }
     
     this.unsubscribe = function (outfit) {
-      outfitSubscriptionTotals[outfit.id] -= 1;
+      if(outfit && outfit.id in outfitSubscriptionTotals) {
+        if(outfitSubscriptionTotals[outfit.id] > 1) {
+          outfitSubscriptionTotals[outfit.id] -= 1;
+        } else {
+          delete outfitSubscriptionTotals[outfit.id];
+        }
+      }
     }
   }