RailwayRouteOptimization/scripts/File/OpenFile/OpenFile.js

/**
 * Copyright (c) 2011-2018 by Andrew Mustun. All rights reserved.
 * 
 * This file is part of the QCAD project.
 *
 * QCAD is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * QCAD is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with QCAD.
 */

include("scripts/File/NewFile/NewFile.js");

if (exists("scripts/File/AutoSave/AutoSave.js")) {
  include("scripts/File/AutoSave/AutoSave.js");
}

/**
 * \class OpenFile
 * \brief Handles all user interaction to open documents.
 * \ingroup ecma_file
 */
function OpenFile(guiAction) {
  NewFile.call(this, guiAction);

  if (!isNull(guiAction)) {
    this.args = guiAction.getArguments();
  }
}

OpenFile.prototype = new NewFile();

OpenFile.prototype.beginEvent = function () {
  File.prototype.beginEvent.call(this);

  try {
    var filterStrings = RFileImporterRegistry.getFilterStrings();
    filterStrings = translateFilterStrings(filterStrings);
    if (filterStrings.length === 0) {
      EAction.handleUserWarning(qsTr("No import filters have been found. Aborting..."));
      return;
    }

    var fileName;
    if (!isNull(this.args) && this.args.length >= 1) {
      fileName = this.args[this.args.length - 1];
      if (!new QFileInfo(fileName).isAbsolute()) {
        fileName = RSettings.getLaunchPath() + QDir.separator + fileName;
      }
      if (!isNull(fileName)) {
        NewFile.createMdiChild(fileName);
        return;
      }
    }

    if (!isNull(this.guiAction)) {
      fileName = this.guiAction.data();
      if (!isNull(fileName)) {
        NewFile.createMdiChild(fileName);
        return;
      }
    }

    var lastOpenFileDir = RSettings.getStringValue("OpenFile/Path", RSettings.getDocumentsLocation());
    var appWin = EAction.getMainWindow();
    var fileDialog = new QFileDialog(appWin, qsTr("Open Drawing"), lastOpenFileDir, "");
    var allFilter = filterStrings[0];
    filterStrings = new Array(qsTr("All Files") + " (*)").concat(filterStrings);
    fileDialog.setNameFilters(filterStrings);
    fileDialog.selectNameFilter(allFilter);
    fileDialog.setOption(QFileDialog.DontUseNativeDialog, getDontUseNativeDialog());
    if (!isNull(QFileDialog.DontUseCustomDirectoryIcons)) {
      fileDialog.setOption(QFileDialog.DontUseCustomDirectoryIcons, true);
    }
    fileDialog.fileMode = QFileDialog.ExistingFiles;

    // global function qcadInitFileDialog may be registered to perform
    // additional initialization
    if (typeof qcadInitFileDialog != "undefined" && isFunction(qcadInitFileDialog)) {
      qcadInitFileDialog(fileDialog);
    }

    if (!fileDialog.exec()) {
      destr(fileDialog);
      EAction.activateMainWindow();
      return;
    }
    EAction.activateMainWindow();
    RSettings.setValue("OpenFile/Path", fileDialog.directory().absolutePath());

    var fileNames = fileDialog.selectedFiles();
    var nameFilter = fileDialog.selectedNameFilter();
    for (var i = 0; i < fileNames.length; ++i) {
      NewFile.createMdiChild(fileNames[i], nameFilter);
    }
    destr(fileDialog);
    EAction.activateMainWindow();
  } catch (error) {
    EAction.handleUserWarning("OpenFile.js error:" + error.toString());
  }
};