1 files changed, 277 insertions, 0 deletions
diff --git a/src/k3btempdirselectionwidget.cpp b/src/k3btempdirselectionwidget.cpp
new file mode 100644
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--- /dev/null
+++ b/src/k3btempdirselectionwidget.cpp
@@ -0,0 +1,277 @@
+/*
+ *
+ * $Id: k3btempdirselectionwidget.cpp 690207 2007-07-20 10:40:19Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * 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.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+
+#include "k3btempdirselectionwidget.h"
+#include <k3bglobals.h>
+#include <k3bcore.h>
+
+#include <qlabel.h>
+#include <qgroupbox.h>
+#include <qlayout.h>
+#include <qtimer.h>
+#include <qhbox.h>
+#include <qtooltip.h>
+#include <qwhatsthis.h>
+#include <qfileinfo.h>
+
+#include <kconfig.h>
+#include <klocale.h>
+#include <kfiledialog.h>
+#include <kdialog.h>
+#include <kstandarddirs.h>
+#include <kiconloader.h>
+#include <kurlrequester.h>
+#include <kio/global.h>
+#include <kconfig.h>
+#include <klineedit.h>
+
+
+K3bTempDirSelectionWidget::K3bTempDirSelectionWidget( QWidget *parent, const char *name )
+  : QGroupBox( 4, Qt::Vertical, parent, name ),
+    m_labelCdSize(0),
+    m_defaultImageFileName( "k3b_image.iso" )
+{
+  layout()->setSpacing( KDialog::spacingHint() );
+  layout()->setMargin( KDialog::marginHint() );
+
+  m_imageFileLabel = new QLabel( this );
+  m_editDirectory = new KURLRequester( this, "m_editDirectory" );
+
+  m_imageFileLabel->setBuddy( m_editDirectory );
+
+  QHBox* freeTempSpaceBox = new QHBox( this );
+  freeTempSpaceBox->setSpacing( KDialog::spacingHint() );
+  (void)new QLabel( i18n( "Free space in temporary directory:" ), freeTempSpaceBox, "TextLabel2" );
+  m_labelFreeSpace = new QLabel( "                       ",freeTempSpaceBox, "m_labelFreeSpace" );
+  m_labelFreeSpace->setAlignment( int( QLabel::AlignVCenter | QLabel::AlignRight ) );
+
+
+  connect( m_editDirectory, SIGNAL(openFileDialog(KURLRequester*)),
+	   this, SLOT(slotTempDirButtonPressed(KURLRequester*)) );
+  connect( m_editDirectory, SIGNAL(textChanged(const QString&)),
+	   this, SLOT(slotUpdateFreeTempSpace()) );
+  connect( m_editDirectory->lineEdit(), SIGNAL(lostFocus()),
+           this, SLOT(slotFixTempPath()) );
+
+  // choose a default
+  setSelectionMode( DIR );
+
+  m_editDirectory->setURL( K3b::defaultTempPath() );
+  slotUpdateFreeTempSpace();
+
+  // ToolTips
+  // --------------------------------------------------------------------------------
+  QToolTip::add( m_editDirectory, i18n("The directory in which to save the image files") );
+
+  // What's This info
+  // --------------------------------------------------------------------------------
+  QWhatsThis::add( m_editDirectory, i18n("<p>This is the directory in which K3b will save the <em>image files</em>."
+					 "<p>Please make sure that it resides on a partition that has enough free space.") );
+}
+
+
+K3bTempDirSelectionWidget::~K3bTempDirSelectionWidget()
+{
+}
+
+
+unsigned long K3bTempDirSelectionWidget::freeTempSpace() const
+{
+  QString path = m_editDirectory->url();
+
+  if( !QFile::exists( path ) )
+    path.truncate( path.findRev('/') );
+
+  unsigned long size;
+  K3b::kbFreeOnFs( path, size, m_freeTempSpace );
+
+  return m_freeTempSpace;
+}
+
+
+void K3bTempDirSelectionWidget::slotUpdateFreeTempSpace()
+{
+  // update the temp space
+  freeTempSpace();
+
+  m_labelFreeSpace->setText( KIO::convertSizeFromKB(m_freeTempSpace) );
+
+  if( m_labelCdSize ) {
+    if( m_freeTempSpace < m_requestedSize/1024 )
+      m_labelCdSize->setPaletteForegroundColor( red );
+    else
+      m_labelCdSize->setPaletteForegroundColor( m_labelFreeSpace->paletteForegroundColor() );
+  }
+  QTimer::singleShot( 1000, this, SLOT(slotUpdateFreeTempSpace()) );
+}
+
+
+void K3bTempDirSelectionWidget::slotTempDirButtonPressed( KURLRequester* r )
+{
+  // set the correct mode for the filedialog
+  if( m_mode == DIR ) {
+    r->setCaption( i18n("Select Temporary Directory") );
+    r->setMode( KFile::Directory | KFile::ExistingOnly | KFile::LocalOnly );
+  }
+  else {
+    r->setCaption( i18n("Select Temporary File") );
+    r->setMode( KFile::File | KFile::LocalOnly );
+  }
+}
+
+
+void K3bTempDirSelectionWidget::setTempPath( const QString& dir )
+{
+  m_editDirectory->setURL( dir );
+  slotUpdateFreeTempSpace();
+}
+
+
+QString K3bTempDirSelectionWidget::tempPath() const
+{
+  QFileInfo fi( m_editDirectory->url() );
+
+  if( fi.exists() ) {
+    if( m_mode == DIR ) {
+      if( fi.isDir() )
+	return fi.absFilePath();
+      else
+	return fi.dirPath( true );
+    }
+    else {
+      if( fi.isFile() )
+	return fi.absFilePath();
+      else
+	return fi.absFilePath() + "/k3b_image.iso";
+    }
+  }
+  else {
+    return fi.absFilePath();
+  }
+}
+
+
+QString K3bTempDirSelectionWidget::plainTempPath() const
+{
+  return m_editDirectory->url();
+}
+
+
+QString K3bTempDirSelectionWidget::tempDirectory() const
+{
+  QString td( m_editDirectory->url() );
+
+  // remove a trailing slash
+  while( !td.isEmpty() && td[td.length()-1] == '/' )
+    td.truncate( td.length()-1 );
+
+  QFileInfo fi( td );
+  if( fi.exists() && fi.isDir() )
+    return td + "/";
+
+  // now we treat the last section as a filename and return the path
+  // in front of it
+  td.truncate( td.findRev( '/' ) + 1 );
+  return td;
+}
+
+
+void K3bTempDirSelectionWidget::setSelectionMode( int mode )
+{
+  m_mode = mode;
+
+  if( m_mode == DIR ) {
+    m_imageFileLabel->setText( i18n( "Wri&te image files to:" ) );
+    setTitle( i18n("Temporary Directory") );
+  }
+  else {
+    m_imageFileLabel->setText( i18n( "Wri&te image file to:" ) );
+    setTitle( i18n("Temporary File") );
+  }
+}
+
+
+void K3bTempDirSelectionWidget::setNeededSize( KIO::filesize_t bytes )
+{
+  m_requestedSize = bytes;
+  if( !m_labelCdSize ) {
+    QHBox* cdSizeBox = new QHBox( this );
+    cdSizeBox->setSpacing( KDialog::spacingHint() );
+    (void)new QLabel( i18n( "Size of project:" ), cdSizeBox, "TextLabel4" );
+    m_labelCdSize = new QLabel( KIO::convertSize(bytes), cdSizeBox, "m_labelCdSize" );
+    m_labelCdSize->setAlignment( int( QLabel::AlignVCenter | QLabel::AlignRight ) );
+  }
+  m_labelCdSize->setText( KIO::convertSize(bytes) );
+}
+
+
+void K3bTempDirSelectionWidget::saveConfig()
+{
+  KConfigGroup grp( k3bcore->config(), "General Options" );
+  grp.writePathEntry( "Temp Dir", tempDirectory() );
+}
+
+
+void K3bTempDirSelectionWidget::readConfig( KConfigBase* c )
+{
+  setTempPath( c->readPathEntry( "image path", K3b::defaultTempPath() ) );
+}
+
+
+void K3bTempDirSelectionWidget::saveConfig( KConfigBase* c )
+{
+  c->writePathEntry( "image path", tempPath() );
+}
+
+
+void K3bTempDirSelectionWidget::setDefaultImageFileName( const QString& name )
+{
+    if ( !name.isEmpty() ) {
+        bool changeImageName = false;
+        if ( selectionMode() == FILE ) {
+            if ( plainTempPath().section( '/', -1 ) == m_defaultImageFileName ) {
+                changeImageName = true;
+            }
+        }
+
+        m_defaultImageFileName = name;
+        if ( !m_defaultImageFileName.contains( '.' ) ) {
+            m_defaultImageFileName += ".iso";
+        }
+        fixTempPath( changeImageName );
+    }
+}
+
+
+void K3bTempDirSelectionWidget::slotFixTempPath()
+{
+    fixTempPath( false );
+}
+
+
+void K3bTempDirSelectionWidget::fixTempPath( bool forceNewImageName )
+{
+    // if in file selection mode and no image file is specified or
+    // forceNewImageName is true set the default image file name
+    if ( selectionMode() == FILE ) {
+        if ( forceNewImageName ||
+             QFileInfo( plainTempPath() ).isDir() ) {
+            setTempPath( tempDirectory() + m_defaultImageFileName );
+        }
+    }
+}
+
+#include "k3btempdirselectionwidget.moc"