add select all failed tasks

src/langs/zh_Hans.txt

@@ -23,6 +23,7 @@ Delete=删除任务
 Select All=全部选中
 Select None=全部不选
 Select Invert=反向选择
+Select All Failed Task=全选失败任务
 Display Order=显示顺序
 Copy Download Url=复制下载链接
 Copy Magnet Link=复制磁力链接

src/langs/zh_Hant.txt

@@ -23,6 +23,7 @@ Delete=刪除工作
 Select All=全部選中
 Select None=全部不選
 Select Invert=反向選擇
+Select All Failed Task=全選失敗工作
 Display Order=顯示順序
 Copy Download Url=複製下載連結
 Copy Magnet Link=複製磁力連結

src/scripts/config/defaultLanguage.js

@@ -27,6 +27,7 @@
             'Select All': 'Select All',
             'Select None': 'Select None',
             'Select Invert': 'Select Invert',
+            'Select All Failed Task': 'Select All Failed Task',
             'Display Order': 'Display Order',
             'Copy Download Url': 'Copy Download Url',
             'Copy Magnet Link': 'Copy Magnet Link',

src/scripts/controllers/main.js

@@ -197,8 +197,8 @@
             });
         };
 
-        $scope.isTaskRetryable = function (task) {
-            return task && task.status === 'error' && task.errorDescription && !task.bittorrent;
+        $scope.hasRetryableTask = function () {
+            return $rootScope.taskContext.hasRetryableTask();
         };
 
         $scope.isSelectedTaskRetryable = function () {
@@ -209,7 +209,7 @@
             }
 
             for (var i = 0; i < selectedTasks.length; i++) {
-                if (!$scope.isTaskRetryable(selectedTasks[i])) {
+                if (!$rootScope.isTaskRetryable(selectedTasks[i])) {
                     return false;
                 }
             }
@@ -230,7 +230,7 @@
             var skipCount = 0;
 
             for (var i = 0; i < tasks.length; i++) {
-                if ($scope.isTaskRetryable(tasks[i])) {
+                if ($rootScope.isTaskRetryable(tasks[i])) {
                     retryableTasks.push(tasks[i]);
                 } else {
                     skipCount++;
@@ -322,6 +322,10 @@
             $rootScope.taskContext.selectAll();
         };
 
+        $scope.selectAllFailedTasks = function () {
+            $rootScope.taskContext.selectAllFailed();
+        };
+
         $scope.copySelectedOneTaskDownloadLink = function () {
             var selectedTasks = $rootScope.taskContext.getSelectedTasks();
 

src/scripts/core/root.js

@@ -151,6 +151,21 @@
 
                 return isAllSelected;
             },
+            hasRetryableTask: function () {
+                for (var i = 0; i < this.list.length; i++) {
+                    var task = this.list[i];
+
+                    if (!$rootScope.filterTask(task)) {
+                        continue;
+                    }
+
+                    if ($rootScope.isTaskRetryable(task)) {
+                        return true;
+                    }
+                }
+
+                return false;
+            },
             selectAll: function () {
                 if (!this.list || !this.selected || this.list.length < 1) {
                     return;
@@ -171,6 +186,48 @@
 
                     this.selected[task.gid] = !isAllSelected;
                 }
+            },
+            selectAllFailed: function () {
+                if (!this.list || !this.selected || this.list.length < 1) {
+                    return;
+                }
+
+                if (!this.enableSelectAll) {
+                    return;
+                }
+
+                var isAllFailedSelected = true;
+
+                for (var i = 0; i < this.list.length; i++) {
+                    var task = this.list[i];
+
+                    if (!$rootScope.filterTask(task)) {
+                        continue;
+                    }
+
+                    if (!$rootScope.isTaskRetryable(task)) {
+                        continue;
+                    }
+
+                    if (!this.selected[task.gid]) {
+                        isAllFailedSelected = false;
+                    }
+                }
+
+                for (var i = 0; i < this.list.length; i++) {
+                    var task = this.list[i];
+
+                    if (!$rootScope.filterTask(task)) {
+                        continue;
+                    }
+
+                    if (!$rootScope.isTaskRetryable(task)) {
+                        this.selected[task.gid] = false;
+                        continue;
+                    }
+
+                    this.selected[task.gid] = !isAllFailedSelected;
+                }
             }
         };
 
@@ -186,6 +243,10 @@
             return (task.taskName.toLowerCase().indexOf($rootScope.searchContext.text.toLowerCase()) >= 0);
         };
 
+        $rootScope.isTaskRetryable = function (task) {
+            return task && task.status === 'error' && task.errorDescription && !task.bittorrent;
+        };
+
         $rootScope.swipeActions = {
             leftSwipe: function () {
                 if (isSidebarShowInSmallScreen()) {

src/views/list.html

@@ -164,6 +164,12 @@
                         <span translate>Select All</span>
                     </a>
                 </li>
+                <li ng-if="hasRetryableTask()">
+                    <a tabindex="-1" class="pointer-cursor" title="{{'Select All Failed Task' | translate}}" ng-click="selectAllFailedTasks()">
+                        <i class="fa fa-fw"></i>
+                        <span translate>Select All Failed Task</span>
+                    </a>
+                </li>
                 <li class="divider" ng-if="isSingleUrlTaskSelected() || isSingleBittorrentHasInfoHashTaskSelected()"></li>
                 <li ng-if="isSingleUrlTaskSelected()">
                     <a tabindex="-1" class="pointer-cursor" title="{{'Copy Download Url' | translate}}" ng-click="copySelectedOneTaskDownloadLink()">