installscript.qs Example File

registerfileextension/packages/org.qtproject.ifw.example.registerfileextension/meta/installscript.qs

  /****************************************************************************
  **
  ** Copyright (C) 2017 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the FOO module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:GPL-EXCEPT$
  ** 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
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  **
  ** 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
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  function Component()
  {
      component.loaded.connect(this, addRegisterFileCheckBox);
      installer.installationFinished.connect(this, addOpenFileCheckBoxToFinishPage);
      installer.finishButtonClicked.connect(this, openRegisteredFileIfChecked);
      component.unusualFileType = generateUnusualFileType(5)
  }

  generateUnusualFileType = function(length)
  {
      var randomString = "";
      var possible = "abcdefghijklmnopqrstuvwxyz0123456789";

      for (var i = 0; i < length; i++)
          randomString += possible.charAt(Math.floor(Math.random() * possible.length));
      return randomString;
  }

  // called as soon as the component was loaded
  addRegisterFileCheckBox = function()
  {
      // don't show when updating or uninstalling
      if (installer.isInstaller()) {
          installer.addWizardPageItem(component, "RegisterFileCheckBoxForm", QInstaller.TargetDirectory);
          component.userInterface("RegisterFileCheckBoxForm").RegisterFileCheckBox.text =
              component.userInterface("RegisterFileCheckBoxForm").RegisterFileCheckBox.text + component.unusualFileType;
      }
  }

  // here we are creating the operation chain which will be processed at the real installation part later
  Component.prototype.createOperations = function()
  {
      // call default implementation to actually install the registeredfile
      component.createOperations();

      var isRegisterFileChecked = component.userInterface("RegisterFileCheckBoxForm").RegisterFileCheckBox.checked;
      if (installer.value("os") === "win") {
          var iconId = 0;
          var notepadPath = installer.environmentVariable("SystemRoot") + "\\notepad.exe";
          component.addOperation("RegisterFileType",
                                 component.unusualFileType,
                                 notepadPath + " '%1'",
                                 "QInstaller Framework example file type",
                                 "text/plain",
                                 notepadPath + "," + iconId,
                                 "ProgId=QtProject.QtInstallerFramework." + component.unusualFileType);
      }
      component.fileWithRegisteredType = installer.value("TargetDir") + "/registeredfile." + component.unusualFileType
      component.addOperation("Move", "@TargetDir@/registeredfile", component.fileWithRegisteredType);
  }

  openRegisteredFileIfChecked = function()
  {
      if (!component.installed)
          return;

      if (installer.value("os") == "win" && installer.isInstaller() && installer.status == QInstaller.Success) {
          var isOpenRegisteredFileChecked = component.userInterface("OpenFileCheckBoxForm").OpenRegisteredFileCheckBox.checked;
          if (isOpenRegisteredFileChecked) {
              QDesktopServices.openUrl("file:///" + component.fileWithRegisteredType);
          }
      }
  }

  addOpenFileCheckBoxToFinishPage = function()
  {
      if (installer.isInstaller() && installer.status == QInstaller.Success) {
          installer.addWizardPageItem(component, "OpenFileCheckBoxForm", QInstaller.InstallationFinished);
          component.userInterface("OpenFileCheckBoxForm").OpenRegisteredFileCheckBox.text =
              component.userInterface("OpenFileCheckBoxForm").OpenRegisteredFileCheckBox.text + component.unusualFileType;
      }
  }