/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

// WARNING: Do *NOT* define this yourself. The SL5xxx from SHARP does NOT
//      have this class.
#define QTOPIA_INTERNAL_FSLP
#include "lnkproperties.h"
#include "lnkproperties.h"
#include "lnkpropertiesbase_p.h"
#include "ir.h"

#include <qpe/applnk.h>
#include <qpe/global.h>
#include <qpe/categorywidget.h>
#include <qpe/qcopenvelope_qws.h>
#include <qpe/filemanager.h>
#include <qpe/config.h>
#include <qpe/storage.h>
#include <qpe/qpemessagebox.h>

#include <qlineedit.h>
#include <qtoolbutton.h>
#include <qpushbutton.h>
#include <qgroupbox.h>
#include <qcheckbox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <qmessagebox.h>
#include <qsize.h>
#include <qcombobox.h>
#include <qregexp.h>

#include <stdlib.h>

LnkProperties::LnkProperties( AppLnk* l, QWidget* parent )
    : QDialog( parent, 0, TRUE ), lnk(l), fileSize( 0 )
{
    QVBoxLayout *vbox = new QVBoxLayout( this );
    d = new LnkPropertiesBase( this );
    vbox->add( d );

    d->docname->setText(l->name());
    QString inf;
    if ( l->type().isEmpty() ) {
  d->type->hide();
  d->typeLabel->hide();
    } else {
  d->type->setText( l->type() );
    }

    if ( l->comment().isEmpty() ) {
  d->comment->hide();
  d->commentLabel->hide();
    } else {
  d->comment->setText( l->comment() );
    }

    connect(d->beam,SIGNAL(clicked()),this,SLOT(beamLnk()));
    if ( lnk->type().contains('/') ) { // A document? (#### better predicate needed)
  connect(d->unlink,SIGNAL(clicked()),this,SLOT(unlinkLnk()));
  connect(d->duplicate,SIGNAL(clicked()),this,SLOT(duplicateLnk()));
  connect(d->delicon,SIGNAL(clicked()),this,SLOT(unlinkIcon()));
  
  d->docname->setReadOnly( FALSE );
  d->preload->hide();
  d->spacer->hide();

  // ### THIS MUST GO, FIX WIERD BUG in QLAYOUT
  d->categoryEdit->kludge();

  d->categoryEdit->setCategories( lnk->categories(),
          "Document View",
          tr("Document View") );
  setupLocations();
    } else {
  d->unlink->hide();
  d->duplicate->hide();
  d->beam->hide();
  d->hline->hide();
  d->locationLabel->hide();
  d->locationCombo->hide();

  // Can't edit categories, since the app .desktop files are global,
  // possibly read-only.
  d->categoryEdit->hide();

  d->docname->setReadOnly( TRUE );

  if ( l->property("CanFastload") == "0" )
      d->preload->hide();

  Config cfg("Launcher");
  cfg.setGroup("Preload");
  QStringList apps = cfg.readListEntry("Apps",',');
  d->preload->setChecked( apps.contains(l->exec()) );
  if ( Global::isBuiltinCommand(lnk->exec()) )
      d->preload->hide(); // builtins are always fast

  currentLocation = 0; // apps not movable (yet)
    }
    setCaption( l->file());
}

LnkProperties::~LnkProperties()
{
}

void LnkProperties::unlinkLnk()
{
    if ( QPEMessageBox::confirmDelete( this, tr("Delete"), lnk->name() ) ) {
  lnk->removeFiles();
  if ( QFile::exists(lnk->file()) ) {
      QMessageBox::warning( this, tr("Delete"), tr("File deletion failed.") );
  } else {
      reject();
  }
    }
}


/*
 * remove only the link from documents, not also the file
 */
void LnkProperties::unlinkIcon() 
{
    if ( QPEMessageBox::confirmDelete( this, tr("Delete Icon and leave file"), lnk->name() ) ) {
  lnk->removeLinkFile();
        if ( QFile::exists(lnk->linkFile()) ) {
      QMessageBox::warning( this, tr("Delete"), tr("Icon deletion failed.") );
  } else {
      reject();
  }
    }
}

void LnkProperties::setupLocations()
{
    QFileInfo fi( lnk->file() );
    fileSize = fi.size();
    StorageInfo storage;
    const QList<FileSystem> &fs = storage.fileSystems();
    QListIterator<FileSystem> it ( fs );
    QString s;
    QString homeDir = getenv("HOME");
    QString hardDiskHome;
    QString hardDiskPath;
    int index = 0;
    currentLocation = -1;
    for ( ; it.current(); ++it ) {
  // we add 10k to the file size so we are sure we can also save the desktop file
  if ( (*it)->availBlocks() * (*it)->blockSize() > fileSize + 10000 ) {
      if ( (*it)->isRemovable() ||
     (*it)->disk() == "/dev/mtdblock1" ||
     (*it)->disk() == "/dev/mtdblock/1" ) {
    d->locationCombo->insertItem( (*it)->name(), index );
    locations.append( ((*it)->isRemovable() ? (*it)->path() : homeDir) );
    if ( lnk->file().contains( (*it)->path() ) ) {
         d->locationCombo->setCurrentItem( index );
         currentLocation = index;
    }
    index++;
      } else if ( (*it)->name().contains( "Hard Disk") &&
      homeDir.contains( (*it)->path() ) &&
      (*it)->path().length() > hardDiskHome.length() ) {
    hardDiskHome = (*it)->name();
    hardDiskPath = (*it)->path();
      }
  }
    }
    if ( !hardDiskHome.isEmpty() ) {
  d->locationCombo->insertItem( hardDiskHome );
  locations.append( hardDiskPath );
  if ( currentLocation == -1 ) { // assume it's the hard disk
      d->locationCombo->setCurrentItem( index );
      currentLocation = index;
  }
    }
}

void LnkProperties::duplicateLnk()
{
    // The duplicate takes the new properties.
    DocLnk newdoc( *((DocLnk *)lnk) );
    if ( d->docname->text() == lnk->name() )
  newdoc.setName(tr("Copy of ")+d->docname->text());
    else
  newdoc.setName(d->docname->text());

    if ( !copyFile( newdoc ) ) {
  QMessageBox::warning( this, tr("Duplicate"), tr("File copy failed.") );
  return;
    }
    reject();
}

bool LnkProperties::moveLnk()
{
    DocLnk newdoc( *((DocLnk *)lnk) );
    newdoc.setName(d->docname->text());

    if ( !copyFile( newdoc ) ) {
  QMessageBox::warning( this, tr("Details"), tr("Moving Document failed.") );
  return FALSE;
    }
    // remove old lnk
    lnk->removeFiles();

    return TRUE;
}

void LnkProperties::beamLnk()
{
    Ir ir;
    DocLnk doc( *((DocLnk *)lnk) );
    ir.send( doc, doc.comment() );
}

bool LnkProperties::copyFile( DocLnk &newdoc )
{
    const char *linkExtn = ".desktop";
    QString fileExtn;
    int extnPos = lnk->file().findRev( '.' );
    if ( extnPos > 0 )
  fileExtn = lnk->file().mid( extnPos );

    QString safename = newdoc.name();
    safename.replace(QRegExp("/"),"_");

     QString fn = locations[ d->locationCombo->currentItem() ]
      + "/Documents/" + newdoc.type() + "/" + safename;
    if ( QFile::exists(fn + fileExtn) || QFile::exists(fn + linkExtn) ) {
  int n=1;
  QString nn = fn + "_" + QString::number(n);
  while ( QFile::exists(nn+fileExtn) || QFile::exists(nn+linkExtn) ) {
      n++;
      nn = fn + "_" + QString::number(n);
  }
  fn = nn;
    }
    newdoc.setFile( fn + fileExtn );
    newdoc.setLinkFile( fn + linkExtn );

    // Copy file
    FileManager fm;
    if ( !fm.copyFile( *lnk, newdoc ) )
  return FALSE;
    return TRUE;
}

void LnkProperties::done(int ok)
{
    if ( ok ) {
  bool changed=FALSE;
  if ( lnk->name() != d->docname->text() ) {
      lnk->setName(d->docname->text());
      changed=TRUE;
  }
  if ( d->categoryEdit->isVisible() ) {
      QArray<int> tmp = d->categoryEdit->newCategories();
      if ( lnk->categories() != tmp ) {
    lnk->setCategories( tmp );
    changed = TRUE;
      }
  }
  if ( d->preload->isHidden() && d->locationCombo->currentItem() != currentLocation ) {
      moveLnk();
  } else if ( changed ) {
      lnk->writeLink();
  }

  if ( !d->preload->isHidden() ) {
      Config cfg("Launcher");
      cfg.setGroup("Preload");
      QStringList apps = cfg.readListEntry("Apps",',');
      QString exe = lnk->exec();
      if ( apps.contains(exe) != d->preload->isChecked() ) {
    if ( d->preload->isChecked() ) {
        apps.append(exe);
        QCopEnvelope e("QPE/Application/"+exe.local8Bit(),
           "enablePreload()");
    } else {
        apps.remove(exe);
        QCopEnvelope e("QPE/Application/"+exe.local8Bit(),
           "quitIfInvisible()");
    }
    cfg.writeEntry("Apps",apps,',');
      }
  }
    }
    QDialog::done( ok );
}