installscript.js Example File

componenterror/packages/root/meta/installscript.js

  /**************************************************************************
  **
  ** Copyright (C) 2017 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the Qt Installer Framework.
  **
  ** $QT_BEGIN_LICENSE:GPL-EXCEPT$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 3 as published by the Free Software
  ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
  ** included in the packaging of this file. Please review the following
  ** information to ensure the GNU General Public License requirements will
  ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
  **
  ** $QT_END_LICENSE$
  **
  **************************************************************************/

  function abortInstaller()
  {
      installer.setDefaultPageVisible(QInstaller.Introduction, false);
      installer.setDefaultPageVisible(QInstaller.TargetDirectory, false);
      installer.setDefaultPageVisible(QInstaller.ComponentSelection, false);
      installer.setDefaultPageVisible(QInstaller.ReadyForInstallation, false);
      installer.setDefaultPageVisible(QInstaller.StartMenuSelection, false);
      installer.setDefaultPageVisible(QInstaller.PerformInstallation, false);
      installer.setDefaultPageVisible(QInstaller.LicenseCheck, false);

      var abortText = "<font color='red' size=3>" + qsTr("Installation failed:") + "</font>";

      var error_list = installer.value("component_errors").split(";;;");
      abortText += "<ul>";
      // ignore the first empty one
      for (var i = 0; i < error_list.length; ++i) {
          if (error_list[i] !== "") {
              console.log(error_list[i]);
              abortText += "<li>" + error_list[i] + "</li>"
          }
      }
      abortText += "</ul>";
      installer.setValue("FinishedText", abortText);
  }

  function reactOnAbortInstallerChange()
  {
      if (installer.value("ComponentError") === "true")
          abortInstaller();
  }

  function Component()
  {
      installer.finishAllComponentsReset.connect(reactOnAbortInstallerChange);
  }