WebUI: Implement delete torrents by category

src/webui/www/private/index.html

@@ -131,6 +131,7 @@
         <li><a href="#DeleteUnusedCategories"><img src="theme/list-remove" alt="QBT_TR(Remove unused categories)QBT_TR"/> QBT_TR(Remove unused categories)QBT_TR</a></li>
         <li class="separator"><a href="#StartTorrentsByCategory"><img src="theme/media-playback-start" alt="QBT_TR(Resume torrents)QBT_TR"/> QBT_TR(Resume torrents)QBT_TR</a></li>
         <li><a href="#PauseTorrentsByCategory"><img src="theme/media-playback-pause" alt="QBT_TR(Pause torrents)QBT_TR"/> QBT_TR(Pause torrents)QBT_TR</a></li>
+        <li><a href="#DeleteTorrentsByCategory"><img src="theme/edit-delete" alt="QBT_TR(Delete torrents)QBT_TR"/> QBT_TR(Delete torrents)QBT_TR</a></li>
     </ul>
     <div id="desktopFooterWrapper">
         <div id="desktopFooter">

src/webui/www/public/filters.html

@@ -34,6 +34,9 @@
             },
             PauseTorrentsByCategory : function (element, ref) {
                 pauseTorrentsByCategoryFN(element.id);
+            },
+            DeleteTorrentsByCategory : function (element, ref) {
+                deleteTorrentsByCategoryFN(element.id);
             }
         },
         offsets : {

src/webui/www/public/scripts/mocha-init.js

@@ -417,6 +417,25 @@ initializeWindows = function() {
         }
     };
 
+    deleteTorrentsByCategoryFN = function (categoryHash) {
+        var h = torrentsTable.getFilteredTorrentsHashes('all', categoryHash);
+        if (h.length) {
+            new MochaUI.Window({
+                id: 'confirmDeletionPage',
+                title: "QBT_TR(Deletion confirmation)QBT_TR",
+                loadMethod: 'iframe',
+                contentURL: 'confirmdeletion.html?hashes=' + h.join("|"),
+                scrollbars: false,
+                resizable: false,
+                maximizable: false,
+                padding: 10,
+                width: 424,
+                height: 140
+            });
+            updateMainData();
+        }
+    };
+
     ['pauseAll', 'resumeAll'].each(function(item) {
         addClickEvent(item, function(e) {
             new Event(e).stop();