Provide a confirmation dialog before calendar deletion

src/contents/ui/CalendarAction.qml

@@ -27,6 +27,8 @@ Kirigami.Action {
     property bool isCalendar: true
     property var configuration
 
+    signal deleteCalendar
+
     checked: (text == configuration.activeCalendar)
 
     Kirigami.Action {
@@ -42,16 +44,6 @@ Kirigami.Action {
         text: "Delete"
         iconName: "delete"
 
-        onTriggered: {
-            if (configuration.activeCalendar == parent.text) {
-                showPassiveNotification("Active calendar cannot be deleted");
-            }
-            else {
-                var toRemoveCalendarComponent = Qt.createQmlObject("import org.kde.phone.calindori 0.1 as Calindori; Calindori.LocalCalendar { name: \"" + parent.text + "\"}",root);
-                toRemoveCalendarComponent.deleteCalendar();
-                configuration.removeCalendar(parent.text);
-                showPassiveNotification("Calendar " + parent.text + " has been deleted");                        
-            }
-        }
+        onTriggered: (configuration.activeCalendar == parent.text) ? showPassiveNotification("Active calendar cannot be deleted") : deleteCalendar()
     }
 }

src/contents/ui/ConfirmationSheet.qml

+/*
+ *   Copyright 2019 Dimitris Kardarakos <dimkard@posteo.net>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Library General Public License as
+ *   published by the Free Software Foundation; either version 2 or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU Library General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+import QtQuick 2.0
+import QtQuick.Controls 2.4 as Controls2
+import QtQuick.Layouts 1.11
+import org.kde.kirigami 2.4 as Kirigami
+import org.kde.phone.calindori 0.1 as Calindori
+
+Kirigami.OverlaySheet {
+    id: deleteSheet
+    
+    property string calendar
+    property var configuration
+            
+    contentItem: Controls2.Label {
+        Layout.fillWidth: true
+        wrapMode: Text.WordWrap
+        text: "All data included in this calendar will be deleted. Proceed with deletion?"
+    }
+    
+    parent: applicationWindow().overlay
+    
+    footer: RowLayout {
+        Item {
+            Layout.fillWidth: true
+        }
+        
+        Controls2.ToolButton {
+            text: qsTr("Delete")
+
+            onClicked: {
+                var toRemoveCalendarComponent = Qt.createQmlObject("import org.kde.phone.calindori 0.1 as Calindori; Calindori.LocalCalendar { name: \"" + deleteSheet.calendar + "\"}",root);
+                toRemoveCalendarComponent.deleteCalendar();
+                configuration.removeCalendar(deleteSheet.calendar);
+                showPassiveNotification("Calendar " + deleteSheet.calendar + " has been deleted");          
+                deleteSheet.close();
+            }
+        }
+        
+        Controls2.ToolButton {
+            text: qsTr("Cancel")
+
+            onClicked: deleteSheet.close()                
+        }
+    }
+}

src/contents/ui/Main.qml

@@ -20,6 +20,7 @@
 import QtQuick 2.1
 import QtQuick.Layouts 1.2
 import org.kde.kirigami 2.0 as Kirigami
+import QtQuick.Controls 2.4 as Controls2
 import org.kde.phone.calindori 0.1 as Calindori
 import "Utils.js" as Utils
 
@@ -89,6 +90,11 @@ Kirigami.ApplicationWindow {
 
         CalendarAction {
             configuration: calindoriConfig
+
+            onDeleteCalendar: {
+                deleteSheet.calendar = text;
+                deleteSheet.open();
+            }
         }
     }
 
@@ -217,5 +223,11 @@ Kirigami.ApplicationWindow {
 
         }
     }
+
+    ConfirmationSheet {
+        id: deleteSheet
+
+        configuration: calindoriConfig
+    }
 }
 

src/resources.qrc

@@ -13,5 +13,6 @@
         <file alias="CalendarInputPage.qml">contents/ui/CalendarInputPage.qml</file>
         <file alias="Utils.js">contents/code/Utils.js</file>
         <file alias="CalendarAction.qml">contents/ui/CalendarAction.qml</file>
+        <file alias="ConfirmationSheet.qml">contents/ui/ConfirmationSheet.qml</file>
     </qresource>
 </RCC>