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//=========================================================
// MusE
// Linux Music Editor
// $Id: filedialog.cpp,v 1.1.1.1 2003/10/29 10:06:35 wschweer Exp $
// (C) Copyright 2000 Werner Schweer (ws@seh.de)
//=========================================================
#include <errno.h>
#include <qwidget.h>
#include <qurl.h>
#include <qpixmap.h>
#include <qmessagebox.h>
#include <qtoolbutton.h>
#include <qstringlist.h>
#include "filedialog.h"
#include "fdialogbuttons.h"
#include "globals.h"
//---------------------------------------------------------
// createDir
// return true if dir could not created
//---------------------------------------------------------
static bool createDir(const QString& s)
{
QString sl("/");
QStringList l = QStringList::split(sl, s);
QString path(sl);
QDir dir;
for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
dir.setPath(path);
if (!QDir(path + sl + *it).exists()) {
if (!dir.mkdir(*it)) {
printf("mkdir failed: %s %s\n",
path.latin1(), (*it).latin1());
return true;
}
}
path += sl;
path += *it;
}
return false;
}
//---------------------------------------------------------
// testDirCreate
// return true if dir does not exist
//---------------------------------------------------------
static bool testDirCreate(QWidget* parent, const QString& path)
{
QDir dir(path);
if (!dir.exists()) {
int n = QMessageBox::information(parent,
QWidget::tr("MusE: get file name"),
QWidget::tr("the directory\n") + path
+ QWidget::tr("\ndoes not exist\ncreate?"),
QWidget::tr("&Create"),
QWidget::tr("Cancel"),
QString::null, 1, 1);
if (n == 0) {
if (createDir(path)) {
QMessageBox::critical(parent,
QWidget::tr("MusE: create directory"),
QWidget::tr("creating dir failed")
);
return true;
}
return false;
}
return true;
}
return false;
}
//---------------------------------------------------------
// globalToggled
//---------------------------------------------------------
void MFileDialog::globalToggled(bool flag)
{
if (flag) {
buttons->userButton->setOn(!flag);
buttons->projectButton->setOn(!flag);
QString dir = museGlobalShare + QString("/") + baseDir;
setDir(dir);
}
}
//---------------------------------------------------------
// userToggled
//---------------------------------------------------------
void MFileDialog::userToggled(bool flag)
{
if (flag) {
buttons->globalButton->setOn(!flag);
buttons->projectButton->setOn(!flag);
QString s = museUser + QString("/") + baseDir;
if (testDirCreate(this, s))
setDir(museUser);
else
setDir(s);
}
}
//---------------------------------------------------------
// projectToggled
//---------------------------------------------------------
void MFileDialog::projectToggled(bool flag)
{
if (flag) {
buttons->globalButton->setOn(!flag);
buttons->userButton->setOn(!flag);
QString s = museProject + QString("/"); // + baseDir;
if (testDirCreate(this, s))
setDir(museProject);
else
setDir(s);
}
}
//---------------------------------------------------------
// MFileDialog
//---------------------------------------------------------
MFileDialog::MFileDialog(const QString& dir,
const QString& filter, QWidget* parent, bool writeFlag)
: QFileDialog(QString("."), filter, parent, 0, true)
{
showButtons = false;
if (dir[0] == '/') {
buttons = 0;
setDir(dir);
}
else {
baseDir = dir;
showButtons = true;
buttons = new FileDialogButtons(this, "fdialogbuttons");
addLeftWidget(buttons);
connect(buttons->globalButton, SIGNAL(toggled(bool)), SLOT(globalToggled(bool)));
connect(buttons->userButton, SIGNAL(toggled(bool)), SLOT(userToggled(bool)));
connect(buttons->projectButton, SIGNAL(toggled(bool)), SLOT(projectToggled(bool)));
buttons->globalButton->setOn(true);
if (writeFlag) {
buttons->globalButton->setEnabled(false);
buttons->projectButton->setOn(true);
}
else
buttons->globalButton->setOn(true);
}
}
//---------------------------------------------------------
// ContentsPreview
//---------------------------------------------------------
ContentsPreview::~ContentsPreview()
{
if (bg)
delete bg;
}
//---------------------------------------------------------
// ContentsPreview::showPreview
//---------------------------------------------------------
void ContentsPreview::previewUrl(const QUrl& url)
{
if (!url.isLocalFile())
return;
if (url.path() == path)
return;
path = url.path();
if (bg)
delete bg;
bg = new QPixmap(path);
if (bg)
setBackgroundPixmap(*bg);
}
//---------------------------------------------------------
// getOpenFileName
//---------------------------------------------------------
QString getOpenFileName(const QString &startWith,
const char** filters, QWidget* parent, const QString& name)
{
QString initialSelection;
MFileDialog *dlg = new MFileDialog(startWith, QString::null, parent, false);
dlg->setFilters(filters);
dlg->setCaption(name);
if (!initialSelection.isEmpty())
dlg->setSelection(initialSelection);
dlg->setMode(QFileDialog::ExistingFile);
QString result;
if (dlg->exec() == QDialog::Accepted) {
result = dlg->selectedFile();
}
delete dlg;
return result;
}
//---------------------------------------------------------
// getSaveFileName
//---------------------------------------------------------
QString getSaveFileName(const QString &startWith,
const char** filters, QWidget* parent, const QString& name)
{
MFileDialog *dlg = new MFileDialog(startWith, QString::null, parent, true);
dlg->setFilters(filters);
dlg->setCaption(name);
dlg->setMode(QFileDialog::AnyFile);
QString result;
if (dlg->exec() == QDialog::Accepted) {
result = dlg->selectedFile();
}
delete dlg;
return result;
}
//---------------------------------------------------------
// getImageFileName
//---------------------------------------------------------
QString getImageFileName(const QString& startWith,
const char** filters, QWidget* parent, const QString& name)
{
QString initialSelection;
QString* workingDirectory = new QString(QDir::currentDirPath());
if (!startWith.isEmpty() ) {
QFileInfo fi(startWith);
if (fi.exists() && fi.isDir()) {
*workingDirectory = startWith;
}
else if (fi.exists() && fi.isFile()) {
*workingDirectory = fi.dirPath(TRUE);
initialSelection = fi.absFilePath();
}
}
MFileDialog *dlg = new MFileDialog(*workingDirectory, QString::null,
parent);
dlg->setContentsPreviewEnabled(true);
ContentsPreview* preview = new ContentsPreview(dlg);
dlg->setContentsPreview(preview, preview);
dlg->setPreviewMode(QFileDialog::Contents);
dlg->setCaption(name);
dlg->setFilters(filters);
dlg->setMode(QFileDialog::ExistingFile);
QString result;
if (!initialSelection.isEmpty())
dlg->setSelection( initialSelection);
if (dlg->exec() == QDialog::Accepted) {
result = dlg->selectedFile();
}
delete dlg;
return result;
}
//---------------------------------------------------------
// fileOpen
// opens file "name" with extension "ext" in mode "mode"
// handles "name.ext.bz2" and "name.ext.gz"
//
// mode = "r" or "w"
// popenFlag set to true on return if file was opened
// with popen() (and therefore must be closed
// with pclose())
// noError show no error if file was not found in "r"
// mode. Has no effect in "w" mode
// overwriteWarning
// warn in "w" mode, if file exists
//---------------------------------------------------------
FILE* fileOpen(QWidget* parent, QString name, const QString& ext,
const char* mode, bool& popenFlag, bool noError,
bool overwriteWarning)
{
QFileInfo info(name);
QString zip;
popenFlag = false;
if (info.extension(true) == "") {
name += ext;
info.setFile(name);
}
else if (info.extension(false) == "gz") {
popenFlag = true;
zip = QString("gzip");
}
else if (info.extension(false) == "bz2") {
popenFlag = true;
zip = QString("bzip2");
}
if (strcmp(mode,"w") == 0 && overwriteWarning && info.exists()) {
QString s(QWidget::tr("File\n") + name + QWidget::tr("\nexists"));
int rv = QMessageBox::warning(parent,
QWidget::tr("MusE: write"),
s,
QWidget::tr("Overwrite"),
QWidget::tr("Quit"), QString::null, 0, 1);
switch(rv) {
case 0: // overwrite
break;
case 1: // quit
return 0;
}
}
FILE* fp = 0;
if (popenFlag) {
if (strcmp(mode, "r") == 0)
zip += QString(" -d < ");
else
zip += QString(" > ");
zip += name;
fp = popen(zip.ascii(), mode);
}
else {
fp = fopen(name.ascii(), mode);
}
if (fp == 0 && !noError) {
QString s(QWidget::tr("Open File\n") + name + QWidget::tr("\nfailed: ")
+ QString(strerror(errno)));
QMessageBox::critical(parent, QWidget::tr("MusE: Open File"), s);
return 0;
}
return fp;
}
//---------------------------------------------------------
// MFile
//---------------------------------------------------------
MFile::MFile(const QString& _path, const QString& _ext)
: path(_path), ext(_ext)
{
f = 0;
isPopen = false;
}
MFile::~MFile()
{
if (f) {
if (isPopen)
pclose(f);
else
fclose(f);
}
}
//---------------------------------------------------------
// open
//---------------------------------------------------------
FILE* MFile::open(const char* mode, const char** pattern,
QWidget* parent, bool noError, bool warnIfOverwrite, const QString& caption)
{
QString name;
if (strcmp(mode, "r") == 0)
name = getOpenFileName(path, pattern, parent, caption);
else
name = getSaveFileName(path, pattern, parent, caption);
if (name.isEmpty())
return 0;
f = fileOpen(parent, name, ext, mode, isPopen, noError,
warnIfOverwrite);
return f;
}
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