FEATURE: make widget areas not deletable

app/Http/Controllers/Admin/EditWidgetArea.php

@@ -3,7 +3,6 @@
 namespace App\Http\Controllers\Admin;
 
 use App\Http\Controllers\Controller;
-use App\Http\Requests;
 use App\Http\Requests\EditWidgetAreaRequest;
 use App\Models\WidgetArea;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
@@ -61,6 +60,13 @@ class EditWidgetArea extends Controller
             return $this->invalidArea();
         }
 
+        // check if widget area is deletable
+        if (!$area->deletable) {
+            return redirect()
+                ->back()
+                ->with('error', trans('admin/widgetAreas.notDeletableArea'));
+        }
+
         // delete area
         $area->delete();
 

database/migrations/2016_09_20_113806_AddTemplateSupportToWidgets.php

@@ -0,0 +1,55 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddTemplateSupportToWidgets extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('widget_types', function (Blueprint $table) {
+            $table->integer('template_id')
+                  ->comment('Commes this widget with template?')
+                  ->after('handler')
+                  ->nullable(true)
+                  ->default(null);
+            $table->integer('module_id')
+                  ->comment('Commes this widget with some module?')
+                  ->after('template_id')
+                  ->nullable(true)
+                  ->default(null);
+
+            $table->foreign('template_id')
+                  ->references('id')
+                  ->on('modules')
+                  ->onDelete('cascade')
+                  ->onUpdate('cascade');
+
+            $table->foreign('module_id')
+                  ->references('id')
+                  ->on('modules')
+                  ->onDelete('cascade')
+                  ->onUpdate('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('widget_types', function (Blueprint $table) {
+            $table->dropForeign('widget_types_module_id_foreign');
+            $table->dropForeign('widget_types_template_id_foreign');
+            $table->dropColumn(['template_id', 'module_id']);
+        });
+    }
+}

database/migrations/2016_09_20_114930_MakeWidgetsAndWidgetAreasNotDeletable.php

@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class MakeWidgetsAndWidgetAreasNotDeletable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('widgets', function (Blueprint $table) {
+            $table->boolean('deletable')
+                  ->default(true)
+                  ->comment('Can this widget be deleted?');
+        });
+
+        Schema::table('widget_areas', function (Blueprint $table) {
+            $table->boolean('deletable')
+                  ->default(true)
+                  ->comment('Can this widget area be deleted?');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('widgets', function (Blueprint $table) {
+            $table->dropColumn('deletable');
+        });
+
+        Schema::table('widget_areas', function (Blueprint $table) {
+            $table->dropColumn('deletable');
+        });
+    }
+}

resources/lang/cs/admin/widgetAreas.php

@@ -12,6 +12,8 @@ return [
 "new" => "Nová plocha pro widgety",
 "noEntries" => "Zatím nebyla definována žádná plocha pro widgety.",
 "overview" => "Seznam všech ploch pro widgety",
+"save" => "Uložit",
 "successfullyCreated" => "Plocha pro widgety úspěšně vytvořena",
 "successfullyDeleted" => "Úspěšně smazáno",
+"uniqueCode" => "Unikátní kód",
 ];

resources/lang/en/admin/widgetAreas.php

@@ -15,5 +15,9 @@ return [
     'editButton'          => 'Edit',
     'save'                => 'Save',
     'edit'                => 'Editing widget area :name',
+    'editTooltip'         => 'Edit widget area',
+    'associateWidgets'    => 'Associate widgets with this widget area',
+    'delete'              => 'Delete widget area',
+    'notDeletableArea' => 'Cannot delete desired widget area. This area is essential part of installed template and therefore cannot be deleted.',
     'editSuccessfull'     => 'Successfully edited'
 ];

resources/views/admin/widgets/area/overview.blade.php

@@ -27,18 +27,24 @@
                                     <div class="item-actions-block">
                                         <ul class="item-actions-list">
                                             <li>
-                                                <a class="edit" href="{{route('widgetareas.edit', ['id' => $area->id])}}"><i
+                                                <a class="edit" data-toggle="tooltip"
+                                                   title="@lang('admin/widgetAreas.editTooltip')"
+                                                   href="{{route('widgetareas.edit', ['id' => $area->id])}}"><i
                                                             class="fa fa-pencil"></i></a>
                                             </li>
                                             <li>
-                                                <a href="{{route('widgets.associate', ['widgetArea' => $area->id])}}"><i
-                                                            class="fa fa-plus"></i></a>
+                                                <a href="{{route('widgets.associate', ['widgetArea' => $area->id])}}"
+                                                   data-toggle="tooltip"
+                                                   title="@lang('admin/widgetAreas.associateWidgets')">
+                                                    <i class="fa fa-plus"></i></a>
                                             </li>
+                                            @if($area->deletable)
                                                 <li>
-                                                <a class="confirm remove"
+                                                    <a class="confirm remove" data-toggle="tooltip" title="@lang('admin/widgetAreas.delete')"
                                                        href="{{route('widgetareas.delete', ['id' => $area->id])}}"><i
                                                                 class="fa fa-trash"></i></a>
                                                 </li>
+                                            @endif
 
                                         </ul>
                                     </div>