installscript.js Example File | Qt Installer Framework Manual

Qt Installer Framework Manual | Component Error Example | installscript.js Example File

# 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);
      }