MFXUtils.cpp

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/****************************************************************************/
// Some helper functions for FOX
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This program 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 2 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include "MFXUtils.h"

#ifdef CHECK_MEMORY_LEAKS
#include <foreign/nvwa/debug_new.h>
#endif // CHECK_MEMORY_LEAKS


// ===========================================================================
// method definitions
// ===========================================================================
void
MFXUtils::deleteChildren(FXWindow *w) throw() {
    while (w->numChildren()!=0) {
        FXWindow *child = w->childAtIndex(0);
        delete child;
    }
}


FXbool
MFXUtils::userPermitsOverwritingWhenFileExists(FXWindow * const parent,
        const FXString &file) throw() {
    if (!FXStat::exists(file)) {
        return TRUE;
    }
    int answer =
        FXMessageBox::question(parent, MBOX_YES_NO, "File Exists", "Overwrite '%s'?", file.text());
    if (answer==MBOX_CLICKED_NO) {
        return FALSE;
    }
    return TRUE;
}


FXString
MFXUtils::getDocumentName(const FXString &filename) throw() {
    FXString file = FXPath::name(filename);
    return file.before('.');
}


FXString
MFXUtils::getTitleText(const FXString &appname, FXString filename) throw() {
    if (filename.length()==0) {
        return appname;
    }
    return getDocumentName(filename) + " - " + appname;
}


FXString
MFXUtils::assureExtension(const FXString &filename, const FXString &defaultExtension) throw() {
    FXString ext = FXPath::extension(filename);
    if (ext=="") {
        if (filename.rfind('.')==filename.length()-1) {
            return filename + defaultExtension;
        }
        return filename + "." + defaultExtension;
    }
    return filename;
}


FXString
MFXUtils::getFilename2Write(FXWindow *parent,
                            const FXString &header, const FXString &extension,
                            FXIcon *icon, FXString &currentFolder) throw() {
    // get the new file name
    FXFileDialog opendialog(parent, header);
    opendialog.setIcon(icon);
    opendialog.setSelectMode(SELECTFILE_ANY);
    opendialog.setPatternList("*" + extension);
    if (currentFolder.length()!=0) {
        opendialog.setDirectory(currentFolder);
    }
    if (!opendialog.execute()) {
        return "";
    }
    FXString file = assureExtension(opendialog.getFilename(), extension.after('.')).text();
    if (!userPermitsOverwritingWhenFileExists(parent, file)) {
        return "";
    }
    currentFolder = opendialog.getDirectory();
    return file;
}




/****************************************************************************/