Enginio QML Examples - Social Todos

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 ** This file is part of the QtEnginio module of the Qt Toolkit.
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 import QtQuick 2.1
 import QtQuick.Controls 1.0
 import Enginio 1.0

 Rectangle {
     property string listId
     property string listName
     property var aclData
     property var usersData

     Component.onCompleted: {
         var aclQuery = enginioClient.query({ "objectType": "objects.todoLists", "id": listId }, Enginio.AccessControlOperation)
         aclQuery.finished.connect(function() {
             if (aclQuery.errorType === EnginioReply.NoError) {
                 aclData = aclQuery.data

                 usersDataChanged() //In case of aclQuery completes after usersQuery, signal also usersData change so UI re-updates correctly
             }
         })

         var usersQuery = enginioClient.query({ "objectType": "users", }, Enginio.UsersOperation)
         usersQuery.finished.connect(function() {
             if (usersQuery.errorType === EnginioReply.NoError) {
                 usersData = usersQuery.data.results
             }
         })
     }

     Header {
         id: header
         text: listName + " admins"
     }

     ListView {
         id: nameView
         model: usersData
         anchors.top: header.bottom
         anchors.left: parent.left
         anchors.right: parent.right
         anchors.bottom: parent.bottom

         delegate: BorderImage {
             id: item

             width: parent.width ; height: 40 * scaleFactor
             source: mouse.pressed ? "qrc:images/delegate_pressed.png" : "qrc:images/delegate.png"
             border.left: 5; border.top: 5
             border.right: 5; border.bottom: 5

             Image {
                 id: shadow
                 anchors.top: parent.bottom
                 width: parent.width
                 visible: !mouse.pressed
                 source: "qrc:images/shadow.png"
             }

             Item {
                 id: checkBox
                 height: 40 * scaleFactor
                 width: 42 * scaleFactor
                 Image {
                     anchors.centerIn: parent
                     fillMode: Image.PreserveAspectFit
                     source: isAccessGrantedForUser(modelData) ? "qrc:images/checkmark.png" : ""
                 }
             }
             Text {
                 anchors.left: checkBox.right
                 anchors.verticalCenter: parent.verticalCenter
                 text:  isUserTheLoggedInOne(modelData) ? modelData.username + " (current user)" : modelData.username
                 font.pixelSize: 22 * scaleFactor
             }

             MouseArea {
                 anchors.fill: parent
                 onClicked: {
                     if (isUserTheLoggedInOne(modelData) === false){
                         toggleAccessGrantForUser(modelData)
                     }
                 }
             }
         }
     }

     function isAccessGrantedForUser(userObject) {
         if (aclData){
             var aclAdmins = aclData.admin

             for (var i = 0; i < aclData.admin.length; ++i){
                 if (aclAdmins[i].id === userObject.id){
                     return true;
                 }
             }
         }

         return false;
     }

     function isUserTheLoggedInOne(userObject) {
         if ( userObject.username === enginioClient.identity.user){
                 return true;
         }
         return false;
     }

     function toggleAccessGrantForUser(userObject) {
         var aclOperation
         var accessGrant =  {"admin": [{"id": userObject.id, "objectType": "users"}]}

         if (isAccessGrantedForUser(userObject)) {
             aclOperation = enginioClient.remove({ "id": listId, "objectType": "objects.todoLists", "access": accessGrant },
                                                   Enginio.AccessControlOperation)

         } else {
             aclOperation = enginioClient.update({ "id": listId, "objectType": "objects.todoLists", "access": accessGrant },
                                                   Enginio.AccessControlOperation)
         }

         aclOperation.finished.connect(function(reply) {
             if (aclOperation.errorType === EnginioReply.NoError) {
                 aclData = reply.data
                 usersDataChanged()
             }
         })
     }
 }