Login.qml Example File

  /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the QtEnginio module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** You may use this file under the terms of the BSD license as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  import QtQuick 2.1
  import Enginio 1.0
  import QtQuick.Controls 1.0
  import QtQuick.Layouts 1.0

  ColumnLayout {
      EnginioOAuth2Authentication {
          id: identity
          user: login.text
          password: password.text
      }
      anchors.fill: parent
      anchors.margins: 3
      spacing: 3

      TextField {
          id: login
          Layout.fillWidth: true
          placeholderText: "Username"
          enabled: enginioClient.authenticationState == Enginio.NotAuthenticated
      }

      TextField {
          id: password
          Layout.fillWidth: true
          placeholderText: "Password"
          echoMode: TextInput.PasswordEchoOnEdit
          enabled: enginioClient.authenticationState == Enginio.NotAuthenticated
      }

      Button {
          id: proccessButton
          Layout.fillWidth: true
      }

      TextArea {
          id: data
          text: "Not logged in.\n\n"
          readOnly: true
          Layout.fillHeight: true
          Layout.fillWidth: true

          Connections {
              target: enginioClient
              onSessionAuthenticated: {
                  data.text = data.text + "User '"+ login.text +"' is logged in.\n\n" + JSON.stringify(reply.data, undefined, 2) + "\n\n"
              }
              onSessionAuthenticationError: {
                  data.text = data.text + "Authentication of user '"+ login.text +"' failed.\n\n" + JSON.stringify(reply.data, undefined, 2) + "\n\n"
              }
              onSessionTerminated: {
                  data.text = data.text + "Session closed.\n\n"
              }
          }
      }

      states: [
          State {
              name: "NotAuthenticated"
              when: enginioClient.authenticationState == Enginio.NotAuthenticated
              PropertyChanges {
                  target: proccessButton
                  text: "Login"
                  onClicked: {
                      enginioClient.identity = identity
                  }
              }
          },
          State {
              name: "Authenticating"
              when: enginioClient.authenticationState == Enginio.Authenticating
              PropertyChanges {
                  target: proccessButton
                  text: "Authenticating..."
                  enabled: false
              }
          },
          State {
              name: "AuthenticationFailure"
              when: enginioClient.authenticationState == Enginio.AuthenticationFailure
              PropertyChanges {
                  target: proccessButton
                  text: "Authentication failed, restart"
                  onClicked: {
                      enginioClient.identity = null
                  }
              }
          },
          State {
              name: "Authenticated"
              when: enginioClient.authenticationState == Enginio.Authenticated
              PropertyChanges {
                  target: proccessButton
                  text: "Logout"
                  onClicked: {
                      enginioClient.identity = null
                  }
              }
          }
      ]
  }