path: root/lumina-fm/MainUI.cpp

//===========================================
//  Lumina-DE source code
//  Copyright (c) 2014, Ken Moore
//  Available under the 3-clause BSD license
//  See the LICENSE file for full details
//===========================================
#include "MainUI.h"
#include "ui_MainUI.h"

#include <QImageWriter>
#include <QFileInfo>

#define DEBUG 0

MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI){
  //for Signal/slot we must register the Typedef of QFileInfoList
  qRegisterMetaType<QFileInfoList>("QFileInfoList");
  ui->setupUi(this);
  if(DEBUG){ qDebug() << "Initilization:"; }
  //Be careful about the QSettings setup, it must match the lumina-desktop setup
  QSettings::setPath(QSettings::NativeFormat, QSettings::UserScope, QDir::homePath()+"/.lumina");
  settings = new QSettings( QSettings::UserScope, "LuminaDE", "lumina-fm", this);
  favdir = QDir::homePath()+"/.lumina/favorites/"; //save this for later
  syncTimer =  new QTimer(this);
    syncTimer->setInterval(200); //1/5 second (collect as many signals/slots as necessary
    syncTimer->setSingleShot(true);
  //Reset the UI to the previously used size (if possible)
  if(DEBUG){ qDebug() << " - Reset window size"; }
  int height = settings->value("geometry/height",-1).toInt();
  if(height>100 && height <= QApplication::desktop()->availableGeometry(this).height()){ this->resize(this->width(), height); }
  int width = settings->value("geometry/width",-1).toInt();
  if(width>100 && width <= QApplication::desktop()->availableGeometry(this).width()){ this->resize(width, this->height() ); }
  //initialize the non-ui widgets
  if(DEBUG){ qDebug() << " - Tab Bar Setup"; }
  tabBar = new QTabBar(this);
    tabBar->setTabsClosable(true);
    tabBar->setMovable(true); //tabs are independant - so allow the user to sort them
    tabBar->setShape(QTabBar::RoundedNorth);
    tabBar->setFocusPolicy(Qt::NoFocus);
    ui->verticalLayout_browser->insertWidget(0,tabBar);
  currentDir = new QLineEdit(this);
    ui->toolBar->insertWidget(ui->actionBookMark, currentDir);
    currentDir->setFocusPolicy(Qt::StrongFocus);
  if(DEBUG){ qDebug() << " - Threading"; }
  workThread = new QThread;
    workThread->setObjectName("Lumina-fm filesystem worker");
  worker = new BackgroundWorker;
    worker->moveToThread(workThread);
  if(DEBUG){ qDebug() << " - File System Model"; }
  fsmod = new DDFileSystemModel(this);
    fsmod->setRootPath("/");
    //fsmod->setReadOnly(false); //required for DnD, but also enables a lot of other stuff
    //qDebug() << "DnD options:" << fsmod->supportedDropActions();
    ui->tree_dir_view->setModel(fsmod);
    ui->tree_dir_view->sortByColumn(0, Qt::AscendingOrder);
    ui->tree_dir_view->setColumnWidth(0,200);
    ui->tree_dir_view->setColumnWidth(1,80); //size column should be small
    ui->tree_dir_view->setColumnWidth(2,80); //type column should be small
    ui->list_dir_view->setModel(fsmod);
  dirCompleter = new QCompleter(fsmod, this);
    dirCompleter->setModelSorting( QCompleter::CaseInsensitivelySortedModel );
    currentDir->setCompleter(dirCompleter);
  snapmod = new QFileSystemModel(this);
    ui->tree_zfs_dir->setModel(snapmod);
    ui->tree_zfs_dir->sortByColumn(0, Qt::AscendingOrder);
  if(DEBUG){ qDebug() << " - Icon Provider"; }
  iconProv = new MimeIconProvider();
    fsmod->setIconProvider(iconProv);
    snapmod->setIconProvider(iconProv);
  if(DEBUG){ qDebug() << " - Context Menu"; }
  contextMenu = new QMenu(this);
  radio_view_details = new QRadioButton(tr("Detailed List"), this);
  radio_view_list = new QRadioButton(tr("Basic List"), this);
  radio_view_icons = new QRadioButton(tr("Icons"), this);
  detWA = new QWidgetAction(this);
    detWA->setDefaultWidget(radio_view_details);
  listWA = new QWidgetAction(this);
    listWA->setDefaultWidget(radio_view_list);
  icoWA = new QWidgetAction(this);
    icoWA->setDefaultWidget(radio_view_icons);
    ui->menuView->addAction(detWA);
    ui->menuView->addAction(listWA);
    ui->menuView->addAction(icoWA);
  //Setup the special Phonon widgets
  if(DEBUG){ qDebug() << " - Multimedia Widgets"; }
  mediaObj = new QMediaPlayer(this);
    mediaObj->setVolume(100);
    mediaObj->setNotifyInterval(500); //only every 1/2 second update
  videoDisplay = new QVideoWidget(this);
    videoDisplay->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
    ui->videoLayout->addWidget(videoDisplay);
    mediaObj->setVideoOutput(videoDisplay);
    videoDisplay->setVisible(false);
  playerSlider = new QSlider(this);
    playerSlider->setOrientation(Qt::Horizontal);
    ui->videoControlLayout->insertWidget(4, playerSlider);
    ui->tool_player_stop->setEnabled(false); //nothing to stop yet
    ui->tool_player_pause->setVisible(false); //nothing to pause yet
    playerSlider->setEnabled(false); //nothing to seek yet
  //Setup any specialty keyboard shortcuts
  if(DEBUG){ qDebug() << " - Keyboard Shortcuts"; }
  nextTabLShort = new QShortcut( QKeySequence(tr("Shift+Left")), this);
  nextTabRShort = new QShortcut( QKeySequence(tr("Shift+Right")), this);
  closeTabShort = new QShortcut( QKeySequence(tr("Ctrl+W")), this);
  copyFilesShort = new QShortcut( QKeySequence(tr("Ctrl+C")), this);
  pasteFilesShort = new QShortcut( QKeySequence(tr("Ctrl+V")), this);
  deleteFilesShort = new QShortcut( QKeySequence(tr("Delete")), this);
  //Finish loading the interface
  workThread->start();
  if(DEBUG){ qDebug() << " - Icons"; }
  setupIcons();
  if(DEBUG){ qDebug() << " - Connections"; }
  setupConnections();
  if(DEBUG){ qDebug() << " - Settings"; }
  loadSettings();
  if(DEBUG){ qDebug() << " - Bookmarks"; }
  RebuildBookmarksMenu();
  if(DEBUG){ qDebug() << " - Devices"; }
  RebuildDeviceMenu();
  //Make sure we start on the browser page
  if(DEBUG){ qDebug() << " - Load Browser Page"; }
  goToBrowserPage();
  if(DEBUG){ qDebug() << " - Done with init"; }
}

MainUI::~MainUI(){
  workThread->quit();
  workThread->wait();
}

void MainUI::OpenDirs(QStringList dirs){
  QStringList invalid;
  for(int i=0; i<dirs.length(); i++){
    //Add this directory in a new tab
    if(dirs[i].endsWith("/")){ dirs[i].chop(1); }
    if(!QFile::exists(dirs[i])){ invalid << dirs[i]; continue; }
    if(DEBUG){ qDebug() << "Open Directory:" << dirs[i]; }
    int index = tabBar->addTab( dirs[i].section("/",-1) );
    tabBar->setTabWhatsThis( index, dirs[i] );
    if(index==0){ setCurrentDir(dirs[i]); }//display this as the current dir
  }
  tabBar->setVisible( tabBar->count() > 1 );
  if(!invalid.isEmpty()){
    QMessageBox::warning(this, tr("Invalid Directories"), tr("The following directories are invalid and could not be opened:")+"\n"+invalid.join(", ") );
  }
}

//==========
//    PRIVATE
//==========
void MainUI::setupIcons(){
  this->setWindowIcon( LXDG::findIcon("Insight-FileManager","") );
	
  //Setup all the icons using libLumina
  ui->actionClose->setIcon( LXDG::findIcon("application-exit","") );
  ui->actionNew_Tab->setIcon( LXDG::findIcon("tab-new-background","") );
  //ui->action_Preferences->setIcon( LXDG::findIcon("configure","") );
  ui->actionUpDir->setIcon( LXDG::findIcon("go-up","") );
  ui->actionBack->setIcon( LXDG::findIcon("go-previous","") );
  ui->actionHome->setIcon( LXDG::findIcon("go-home","") );
  ui->actionBookMark->setIcon( LXDG::findIcon("bookmarks","") );
  ui->actionBackToBrowser->setIcon( LXDG::findIcon("go-previous","") );
  ui->actionManage_Bookmarks->setIcon( LXDG::findIcon("bookmarks-organize","") );
  ui->actionScan->setIcon( LXDG::findIcon("system-search","") );
	
  //Browser page
  ui->tool_addNewFile->setIcon( LXDG::findIcon("document-new",""));
  ui->tool_addToDir->setIcon( LXDG::findIcon("folder-new","") );
  ui->tool_goToImages->setIcon( LXDG::findIcon("fileview-preview","") );
  ui->tool_goToPlayer->setIcon( LXDG::findIcon("applications-multimedia","") );
  ui->tool_goToRestore->setIcon( LXDG::findIcon("document-revert","") );
  ui->tool_act_run->setIcon( LXDG::findIcon("run-build-file","") );
  ui->tool_act_runwith->setIcon( LXDG::findIcon("run-build-configure","") );
  ui->tool_act_cut->setIcon( LXDG::findIcon("edit-cut","") );
  ui->tool_act_copy->setIcon( LXDG::findIcon("edit-copy","") );
  ui->tool_act_paste->setIcon( LXDG::findIcon("edit-paste","") );
  ui->tool_act_rename->setIcon( LXDG::findIcon("edit-rename","") );
  ui->tool_act_rm->setIcon( LXDG::findIcon("edit-delete","") );
  ui->tool_act_fav->setIcon( LXDG::findIcon("bookmark-toolbar","") );
	
  //Multimedia Player page
  ui->tool_player_next->setIcon( LXDG::findIcon("media-skip-forward","") );
  ui->tool_player_prev->setIcon( LXDG::findIcon("media-skip-backward","") );
  ui->tool_player_pause->setIcon( LXDG::findIcon("media-playback-pause","") );
  ui->tool_player_play->setIcon( LXDG::findIcon("media-playback-start","") );
  ui->tool_player_stop->setIcon( LXDG::findIcon("media-playback-stop","") );
	
  //Slideshow page
  ui->tool_image_goBegin->setIcon( LXDG::findIcon("go-first-view","") );
  ui->tool_image_goEnd->setIcon( LXDG::findIcon("go-last-view","") );
  ui->tool_image_goPrev->setIcon( LXDG::findIcon("go-previous-view","") );
  ui->tool_image_goNext->setIcon( LXDG::findIcon("go-next-view","") );
  ui->tool_image_remove->setIcon( LXDG::findIcon("edit-delete","") );
  ui->tool_image_rotateleft->setIcon( LXDG::findIcon("object-rotate-left","") );
  ui->tool_image_rotateright->setIcon( LXDG::findIcon("object-rotate-right","") );
  
  //ZFS Restore page
  ui->tool_zfs_nextSnap->setIcon( LXDG::findIcon("go-next-view","") );
  ui->tool_zfs_prevSnap->setIcon( LXDG::findIcon("go-previous-view","") );
  ui->tool_zfs_restoreItem->setIcon( LXDG::findIcon("document-revert","") );
}

void MainUI::setupConnections(){
  connect(QApplication::instance(), SIGNAL(focusChanged(QWidget*, QWidget*)), this, SLOT(startEditDir(QWidget*, QWidget*)) );
  connect(tabBar, SIGNAL(currentChanged(int)), this, SLOT(tabChanged(int)) );
  connect(tabBar, SIGNAL(tabCloseRequested(int)), this, SLOT(tabClosed(int)) );
  connect(ui->menuBookmarks, SIGNAL(triggered(QAction*)), this, SLOT(goToBookmark(QAction*)) );
  connect(ui->menuExternal_Devices, SIGNAL(triggered(QAction*)), this, SLOT(goToDevice(QAction*)) );
  connect(currentDir, SIGNAL(returnPressed()), this, SLOT(goToDirectory()));
  connect(radio_view_details, SIGNAL(toggled(bool)), this, SLOT(viewModeChanged(bool)) );
  connect(radio_view_list, SIGNAL(toggled(bool)), this, SLOT(viewModeChanged(bool)) );
  connect(radio_view_icons, SIGNAL(toggled(bool)), this, SLOT(viewModeChanged(bool)) );
  connect(fsmod, SIGNAL(directoryLoaded(QString)), this, SLOT(slotStartSyncTimer()) );
  connect(syncTimer, SIGNAL(timeout()), this, SLOT(currentDirectoryLoaded()) );
  //Background worker class
  connect(this, SIGNAL(DirChanged(QString)), worker, SLOT(startDirChecks(QString)) );
  connect(worker, SIGNAL(ImagesAvailable(QStringList)), this, SLOT(AvailablePictures(QStringList)) );
  connect(worker, SIGNAL(MultimediaAvailable(QStringList)), this, SLOT(AvailableMultimediaFiles(QStringList)) );
  connect(worker, SIGNAL(SnapshotsAvailable(QString, QStringList)), this, SLOT(AvailableBackups(QString, QStringList)) );

  //Background worker class for statusbar
  connect(this, SIGNAL(Si_AdaptStatusBar(QFileInfoList, QString, QString, QString)), worker, SLOT(createStatusBarMsg(QFileInfoList, QString, QString, QString)) );
  connect(worker, SIGNAL(Si_DisplayStatusBar(QString)), this, SLOT(DisplayStatusBar(QString)) );
	
  //Action buttons on browser page
  connect(ui->tool_act_run, SIGNAL(clicked()), this, SLOT(OpenItem()) );
  connect(ui->tool_act_runwith, SIGNAL(clicked()), this, SLOT(OpenItemWith()) );
  connect(ui->tool_act_rm, SIGNAL(clicked()), this, SLOT(RemoveItem()) );
  connect(ui->tool_act_rename, SIGNAL(clicked()), this, SLOT(RenameItem()) );
  connect(ui->tool_act_paste, SIGNAL(clicked()), this, SLOT(PasteItems()) );
  connect(ui->tool_act_cut, SIGNAL(clicked()), this, SLOT(CutItems()) );
  connect(ui->tool_act_copy, SIGNAL(clicked()), this, SLOT(CopyItems()) );
  connect(ui->tool_act_fav, SIGNAL(clicked()), this, SLOT(FavoriteItem()) );
	
  //Tree Widget interaction
  connect(ui->tree_dir_view, SIGNAL(activated(const QModelIndex&)), this, SLOT(ItemRun(const QModelIndex&)) );	
  connect(ui->list_dir_view, SIGNAL(activated(const QModelIndex&)), this, SLOT(ItemRun(const QModelIndex&)) );
  connect(ui->tree_dir_view, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(OpenContextMenu(const QPoint&)) );
  connect(ui->list_dir_view, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(OpenContextMenu(const QPoint&)) );
  connect(ui->tree_dir_view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection, const QItemSelection)), this, SLOT(ItemSelectionChanged()) );
  connect(ui->list_dir_view->selectionModel(), SIGNAL(selectionChanged(const QItemSelection, const QItemSelection)), this, SLOT(ItemSelectionChanged()) );
	
  //Page Switching
  connect(ui->tool_goToPlayer, SIGNAL(clicked()), this, SLOT(goToMultimediaPage()) );
  connect(ui->tool_goToRestore, SIGNAL(clicked()), this, SLOT(goToRestorePage()) );
  connect(ui->tool_goToImages, SIGNAL(clicked()), this, SLOT(goToSlideshowPage()) );
  connect(ui->actionBackToBrowser, SIGNAL(triggered()), this, SLOT(goToBrowserPage()) );
	
  //Slideshow page
  connect(ui->combo_image_name, SIGNAL(currentIndexChanged(int)), this, SLOT(showNewPicture()) );
  connect(ui->tool_image_goBegin, SIGNAL(clicked()), this, SLOT(firstPicture()) );
  connect(ui->tool_image_goEnd, SIGNAL(clicked()), this, SLOT(lastPicture()) );
  connect(ui->tool_image_goNext, SIGNAL(clicked()), this, SLOT(nextPicture()) );
  connect(ui->tool_image_goPrev, SIGNAL(clicked()), this, SLOT(prevPicture()) );
  connect(ui->tool_image_remove, SIGNAL(clicked()), this, SLOT(removePicture()) );
  connect(ui->tool_image_rotateleft, SIGNAL(clicked()), this, SLOT(rotatePictureLeft()) );
  connect(ui->tool_image_rotateright, SIGNAL(clicked()), this, SLOT(rotatePictureRight()) );
	
  //ZFS Restore page
  connect(ui->slider_zfs_snapshot, SIGNAL(valueChanged(int)), this, SLOT(showSnapshot()) );
  connect(ui->tool_zfs_nextSnap, SIGNAL(clicked()), this, SLOT(nextSnapshot()) );
  connect(ui->tool_zfs_prevSnap, SIGNAL(clicked()), this, SLOT(prevSnapshot()) );
  connect(ui->tool_zfs_restoreItem, SIGNAL(clicked()), this, SLOT(restoreItems()) );
  
  //Multimedia Player page
  connect(ui->tool_player_next, SIGNAL(clicked()), this, SLOT(playerNext()));
  connect(ui->tool_player_prev, SIGNAL(clicked()), this, SLOT(playerPrevious()));
  connect(ui->tool_player_pause, SIGNAL(clicked()), this, SLOT(playerPause()));
  connect(ui->tool_player_play, SIGNAL(clicked()), this, SLOT(playerStart()));
  connect(ui->tool_player_stop, SIGNAL(clicked()), this, SLOT(playerStop()));
  connect(ui->combo_player_list, SIGNAL(currentIndexChanged(int)), this, SLOT(playerFileChanged()) );
  connect(playerSlider, SIGNAL(sliderPressed()), this, SLOT(playerSliderHeld()) );
  connect(playerSlider, SIGNAL(sliderReleased()), this, SLOT(playerSliderChanged()) );
  connect(playerSlider, SIGNAL(valueChanged(int)), this, SLOT(playerSliderMoved(int)) );
  connect(mediaObj, SIGNAL(durationChanged(qint64)), this, SLOT(playerDurationChanged(qint64)) );
  connect(mediaObj, SIGNAL(seekableChanged(bool)), playerSlider, SLOT(setEnabled(bool)) );
  connect(mediaObj, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), this, SLOT(playerStatusChanged(QMediaPlayer::MediaStatus)) );
  connect(mediaObj, SIGNAL(positionChanged(qint64)), this, SLOT(playerTimeChanged(qint64)) );
  connect(mediaObj, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(playerStateChanged(QMediaPlayer::State)) );
  connect(mediaObj, SIGNAL(videoAvailableChanged(bool)), this, SLOT(playerVideoAvailable(bool)) );
  connect(mediaObj, SIGNAL(error(QMediaPlayer::Error)), this, SLOT(playerError()) );
  //Special Keyboard Shortcuts
  connect(nextTabLShort, SIGNAL(activated()), this, SLOT( prevTab() ) );
  connect(nextTabRShort, SIGNAL(activated()), this, SLOT( nextTab() ) );
  connect(closeTabShort, SIGNAL(activated()), this, SLOT( tabClosed() ) );
  connect(copyFilesShort, SIGNAL(activated()), this, SLOT( CopyItems() ) );
  connect(pasteFilesShort, SIGNAL(activated()), this, SLOT( PasteItems() ) );
  connect(deleteFilesShort, SIGNAL(activated()), this, SLOT( RemoveItem() ) );
}

void MainUI::loadSettings(){
  //Note: make sure this is run after all the UI elements are created and connected to slots
  // but before the first directory gets loaded
  ui->actionView_Hidden_Files->setChecked( settings->value("showhidden", false).toBool() );
    on_actionView_Hidden_Files_triggered(); //make sure to update the models too
  ui->actionShow_Action_Buttons->setChecked(settings->value("showactions", true).toBool() );
    on_actionShow_Action_Buttons_triggered(); //make sure to update the UI
  ui->actionShow_Thumbnails->setChecked( settings->value("showthumbnails", true).toBool() );
    iconProv->showthumbnails = ui->actionShow_Thumbnails->isChecked();
  QString view = settings->value("viewmode","details").toString();
  if(view=="icons"){ radio_view_icons->setChecked(true); }
  else if(view=="list"){ radio_view_list->setChecked(true); }
  else{ radio_view_details->setChecked(true); }
}

void MainUI::RebuildBookmarksMenu(){
  //Create the bookmarks menu
  ui->menuBookmarks->clear();
    ui->menuBookmarks->addAction(ui->actionManage_Bookmarks);
    ui->menuBookmarks->addSeparator();
  QStringList BM = settings->value("bookmarks", QStringList()).toStringList();
  ui->menuBookmarks->clear();
    ui->menuBookmarks->addAction(ui->actionManage_Bookmarks);
    ui->menuBookmarks->addSeparator();
  bool changed = false;
  BM.sort(); //Sort alphabetically
  for(int i=0; i<BM.length(); i++){
    if(QFile::exists(BM[i].section("::::",1,1)) ){
      QAction *act = new QAction(BM[i].section("::::",0,0),this);
        act->setWhatsThis(BM[i].section("::::",1,1));
      ui->menuBookmarks->addAction(act);
    }else{
      //Invalid directory - remove the bookmark
      BM.removeAt(i);
      i--;
      changed = true;
    }
  }
  if(changed){ settings->setValue("bookmarks",BM); }
  ui->actionManage_Bookmarks->setEnabled(BM.length()>0);
}

void MainUI::RebuildDeviceMenu(){
  //Create the External Devices Menu appropriately
  ui->menuExternal_Devices->clear();
    ui->menuExternal_Devices->addAction( ui->actionScan );
    ui->menuExternal_Devices->addSeparator();
  //Scan for externally mounted devices
  QStringList devs = LOS::ExternalDevicePaths();
    //Output Format: <type>::::<filesystem>::::<path>  (6/24/14 - version 0.4.0 )
        // <type> = [USB, HDRIVE, SDCARD, DVD, LVM, UNKNOWN]
	
  //Now add them to the menu appropriately
  for(int i=0; i<devs.length(); i++){
    //Skip hidden mount points (usually only for system usage - not user browsing)
    QString label, path, fs;
      //Format inputs as necesary
      path = devs[i].section("::::",2,2);
      fs = devs[i].section("::::",1,1);
      if(path.endsWith("/") && path.length()>1 ){ path.chop(1); }
      if(path == "/"){ label = tr("Root"); }
      else{ label = path.section("/",-1).simplified(); }
    if(label.startsWith(".") ){ continue; }  //don't show hidden mountpoint (not usually user-browsable)
    //Create entry for this device
    if( !fs.simplified().isEmpty()){
      //Add filesystem type to the label
      label = QString(tr("%1 (Type: %2)")).arg(label, fs);
    }
    QAction *act = new QAction(label,this);          
        act->setWhatsThis(path); //full path to mountpoint
	act->setToolTip( QString(tr("Filesystem: %1")).arg( devs[i].section("::::",1,1) ) );
	//Now set the appropriate icon
	QString type = devs[i].section("::::",0,0);
	if(type=="USB"){ type = "drive-removable-media-usb"; }
	else if(type=="HDRIVE" || type=="LVM"){ type = "drive-harddisk"; }
	else if(type=="SDCARD"){ type = "media-flash-sd-mmc"; }
	else if(type=="DVD"){ type = "media-optical"; }
	else{ type = "drive-removable-media"; }
	act->setIcon( LXDG::findIcon(type, "") );
      ui->menuExternal_Devices->addAction(act);
  }
}

bool MainUI::checkUserPerms(){
  if(!isUserWritable){
    QMessageBox::warning(this, tr("Invalid Permissions"), tr("You do not have permission to edit this directory!") );
  }
  return isUserWritable;
}

QString MainUI::msToText(qint64 ms){
  QString disp;
  if(ms>3600000){
    disp.append( QString::number(ms/3600000)+":" ); 
    ms = ms%3600000; 
  }
  if(ms>60000){
    disp.append( QString::number(ms/60000)+":" );
    ms = ms%60000;
  }else{
    disp.append("0:");
  }
  if(ms>1000){
    if(ms>=10000){ disp.append( QString::number(ms/1000) ); }
    else{ disp.append( "0"+QString::number(ms/1000) ); }
  }else{
    disp.append("00");
  }
  return disp;
}

QString MainUI::getCurrentDir(){
  return currentDir->whatsThis();
}

void MainUI::setCurrentDir(QString dir){
  if(dir.isEmpty()){ return; }
  if(syncTimer->isActive()){ syncTimer->stop(); } //already loading the info
  QFileInfo info(dir);
  QString olddir = currentDir->whatsThis();
  if(!info.isDir() || !info.exists() ){ 
    qDebug() << "Invalid Directory:" << dir;
    //Try to just go up the dir tree one level
    dir.chop(dir.section("/",-1).length());
    if(!QFile::exists(dir)){
      //Still bad dir - try to return to previously shown dir
      if(currentDir->whatsThis().isEmpty()){ return; } //nothing to return to
      else{ dir = currentDir->whatsThis(); }
    }
  }
  //qDebug() << "Show Directory:" << dir;
  //qDebug() << "Dir Info:" << dir;
  //qDebug() << " - RWXLOG:" << info.isReadable() << info.isWritable() << info.isExecutable() << info.isSymLink() << info.ownerId() << info.groupId();
  isUserWritable = info.isWritable();
  if(dir.endsWith("/") && dir!="/" ){ dir.chop(1); }
  QString rawdir = dir;
  //dir.replace(QDir::homePath()+"/", "~/");
  currentDir->setText(dir);  
  //Update the directory viewer and update the line edit
    keepFocus = !currentDir->hasFocus();
    currentDir->setWhatsThis(dir); //save the full path internally
    fsmod->setRootPath(rawdir);
    if(radio_view_details->isChecked()){
      ui->tree_dir_view->setRootIndex(fsmod->index(dir));
      ui->tree_dir_view->selectionModel()->clearSelection();
    }else{
      ui->list_dir_view->setRootIndex(fsmod->index(dir));
      ui->list_dir_view->selectionModel()->clearSelection();
    }
  //Adjust the tab data
  tabBar->setTabWhatsThis( tabBar->currentIndex(), rawdir );
  if(dir!="/"){ tabBar->setTabText( tabBar->currentIndex(), dir.section("/",-1) ); }
  else{ tabBar->setTabText( tabBar->currentIndex(), dir); }
  QStringList history = tabBar->tabData(tabBar->currentIndex()).toStringList();
  if(history.isEmpty() || history.first()!=rawdir){ history.prepend(rawdir); history.removeAll(""); }
  //qDebug() << "History:" << history;
  tabBar->setTabData(tabBar->currentIndex(), history);
  //Now adjust the items as necessary
  if(rawdir != olddir){
    //The Filesystem model will need to load the new directory (triggering the background checks)
    ui->tool_goToPlayer->setVisible(false);
    ui->tool_goToRestore->setVisible(false);
    ui->tool_goToImages->setVisible(false);
  }
  //Make sure the shortcut buttons are enabled as necessary
  // If the dir is already loaded into the fsmodel cache it will not emit the directoryLoaded() signal
  /*if(rawdir == olddir){
    emit DirChanged(rawdir); //This will be automatically run when a new dir is loaded
  }
  emit Si_AdaptStatusBar(fsmod->rootDirectory().entryInfoList(), rawdir, tr("Items"));*/
  if(isUserWritable){ ui->label_dir_stats->setText(""); }
  else{ ui->label_dir_stats->setText(tr("Limited Access Directory"));
  }
  
  ui->tool_addToDir->setVisible(isUserWritable);
  ui->tool_addNewFile->setVisible(isUserWritable);
  ui->actionUpDir->setEnabled(dir!="/");
  ui->actionBack->setEnabled(history.length() > 1);
  ui->actionBookMark->setEnabled( rawdir!=QDir::homePath() && settings->value("bookmarks", QStringList()).toStringList().filter("::::"+rawdir).length()<1 );
  ItemSelectionChanged();
  RebuildDeviceMenu(); //keep this refreshed
}

QFileInfoList MainUI::getSelectedItems(){
  QFileInfoList out;
  if(radio_view_details->isChecked()){
    QModelIndexList items = ui->tree_dir_view->selectionModel()->selectedIndexes();
    for(int i=0; i<items.length(); i++){
      if(!out.contains(fsmod->fileInfo(items[i]))){
        out << fsmod->fileInfo(items[i]);
      }
    }
  }else{
    QModelIndexList items = ui->list_dir_view->selectionModel()->selectedIndexes();
    for(int i=0; i<items.length(); i++){
      if(!out.contains(fsmod->fileInfo(items[i]))){
        out <<  fsmod->fileInfo(items[i]);
      }
    }
  }	
  return out;
}

/*QModelIndexList MainUI::getVisibleItems(){
  QModelIndexList out;
  if(radio_view_details->isChecked()){
    QModelIndex index = ui->tree_dir_view->indexAt(QPoint(0,0));
    while( index.isValid()){
      if(index.column()!=0){
	//move on - multiple index's per row when we only need one
      }else if(ui->tree_dir_view->viewport()->rect().contains( ui->tree_dir_view->visualRect(index) ) ){
	//index within the viewport - add it to the list
        out << index;
      }else{
        break; //index not in the viewport
      }
      index = ui->tree_dir_view->indexBelow(index); //go to the next
      if(out.contains(index)){ break; } //end of the list
    }

  }else{
    QModelIndex index = ui->list_dir_view->indexAt(QPoint(0,0));
    while( index.isValid()){
      if(ui->list_dir_view->viewport()->rect().contains( ui->list_dir_view->visualRect(index) ) ){
	//index within the viewport - add it to the list
        out << index;
      }else{
        break; //index not in the viewport
      }
      index = ui->list_dir_view->indexBelow(index); //go to the next
      if(out.contains(index)){ break; } //end of the list
    }
    
  }	
  return out;
}*/

//==============
//    PRIVATE SLOTS
//==============
void MainUI::slotStartSyncTimer(){
  if(ui->stackedWidget->currentWidget()!=ui->page_browser){ return; }
  if(syncTimer->isActive()){ syncTimer->stop(); }
  syncTimer->start();
}

//General button check functions
void MainUI::AvailableMultimediaFiles(QStringList files){
  if(!files.isEmpty()){
    ui->combo_player_list->clear();
    ui->combo_player_list->addItems(files);
    ui->tool_goToPlayer->setVisible(true);
  }else{
    ui->tool_goToPlayer->setVisible(false);
  }
  
}

void MainUI::AvailableBackups(QString basedir, QStringList snapdirs){
  snapmod->setRootPath(basedir); //set the base snapshot dir as the new root
  snapDirs = snapdirs;
  
  //Now enable the button if any snapshots available
  ui->tool_goToRestore->setVisible(!snapDirs.isEmpty());
}

void MainUI::DisplayStatusBar(QString msg){
	//qDebug() << "message to show in the status bar:" << msg;
	ui->statusbar->showMessage(msg);
}

void MainUI::AvailablePictures(QStringList pics){
  if(!pics.isEmpty()){
    QString citem = ui->combo_image_name->currentText();
    ui->combo_image_name->clear();
    ui->combo_image_name->addItems(pics);
    if(pics.contains(citem)){ 
      ui->combo_image_name->setCurrentText(citem); 
    }
    ui->tool_goToImages->setVisible(true);	  
  }
	
}

//-----------------------------------
//General page switching
//-----------------------------------
void MainUI::goToMultimediaPage(){
  //Make toolbar items disappear appropriately	
  ui->actionBackToBrowser->setVisible(true);
  ui->actionBack->setVisible(false);
  ui->actionUpDir->setVisible(false);
  ui->actionHome->setVisible(false);
  ui->actionBookMark->setVisible(false);
  currentDir->setEnabled(false);
  //Disable all the UI elements specifically for the Browser side of things
  ui->actionNew_Tab->setEnabled(false);
  ui->menuView->setEnabled(false);
  ui->menuBookmarks->setEnabled(false);
  ui->menuExternal_Devices->setEnabled(false);
  //Start the player on the first selected item
  QFileInfoList sel = getSelectedItems();
  if(!sel.isEmpty()){
    QStringList names;
    for(int i=0; i<sel.length(); i++){ names << sel[i].fileName(); }
    //start the slideshow on the first selected picture
    for(int i=0; i<ui->combo_player_list->count(); i++){
      if(names.contains( ui->combo_player_list->itemText(i) )){ ui->combo_player_list->setCurrentIndex(i); break; }
    }
  }
  //Now go to the Multimedia player
  ui->label_player_novideo->setText(tr("Click Play to Start"));
  ui->stackedWidget->setCurrentWidget(ui->page_audioPlayer);
}

void MainUI::goToRestorePage(){
  //Make toolbar items disappear appropriately
  ui->actionBackToBrowser->setVisible(true);	
  ui->actionBack->setVisible(false);
  ui->actionUpDir->setVisible(false);
  ui->actionHome->setVisible(false);
  ui->actionBookMark->setVisible(false);
  currentDir->setEnabled(false);
  //Disable all the UI elements specifically for the Browser side of things
  ui->actionNew_Tab->setEnabled(false);
  ui->menuView->setEnabled(false);
  ui->menuBookmarks->setEnabled(false);
  ui->menuExternal_Devices->setEnabled(false);
  //Load all the info into the file restore page
  ui->slider_zfs_snapshot->setRange(1,snapDirs.length());
  ui->slider_zfs_snapshot->setValue(snapDirs.length());
  //Now go to the file restore page
  showSnapshot(); //Make sure it is updated for the current directory
  ui->stackedWidget->setCurrentWidget(ui->page_zfs);	
}

void MainUI::goToSlideshowPage(){
  //Make toolbar items disappear appropriately	
  ui->actionBackToBrowser->setVisible(true);
  ui->actionBack->setVisible(false);
  ui->actionUpDir->setVisible(false);
  ui->actionHome->setVisible(false);
  ui->actionBookMark->setVisible(false);
  currentDir->setEnabled(false);
  //Disable all the UI elements specifically for the Browser side of things
  ui->actionNew_Tab->setEnabled(false);
  ui->menuView->setEnabled(false);
  ui->menuBookmarks->setEnabled(false);
  ui->menuExternal_Devices->setEnabled(false);
  QFileInfoList sel = getSelectedItems();
  if(!sel.isEmpty()){
    QStringList names;
    for(int i=0; i<sel.length(); i++){ names << sel[i].fileName(); }
    //start the slideshow on the first selected picture
    for(int i=0; i<ui->combo_image_name->count(); i++){
      if(names.contains( ui->combo_image_name->itemText(i) )){ ui->combo_image_name->setCurrentIndex(i); break; }
    }
  }
  //Now go to the Slideshow player
  ui->stackedWidget->setCurrentWidget(ui->page_image_view);
  showNewPicture(); //make sure it is up to date with the widget size
}

void MainUI::goToBrowserPage(){
  //Make toolbar items re-appear appropriately	
  ui->actionBackToBrowser->setVisible(false);
  ui->actionBack->setVisible(true);
  ui->actionUpDir->setVisible(true);
  ui->actionHome->setVisible(true);
  ui->actionBookMark->setVisible(true);
  currentDir->setEnabled(true);
  //Disable all the UI elements specifically for the Browser side of things
  ui->actionNew_Tab->setEnabled(true);
  ui->menuView->setEnabled(true);
  ui->menuBookmarks->setEnabled(true);
  ui->menuExternal_Devices->setEnabled(true);
  //Now go to the browser
  if(ui->stackedWidget->currentWidget()==ui->page_audioPlayer){ mediaObj->stop(); }
  ui->stackedWidget->setCurrentWidget(ui->page_browser);
  reloadDirectory();
}
	
//---------------------
//Menu Actions
//---------------------
void MainUI::on_actionNew_Tab_triggered(){
  OpenDirs(QStringList() << QDir::homePath());
  //Now go to that tab (always last)
  tabBar->setCurrentIndex(tabBar->count()-1);
}

void MainUI::on_actionClose_triggered(){
  if(tabBar->count() > 1){
    if(QMessageBox::Yes != QMessageBox::question(this, tr("Verify Quit"), tr("You have multiple tabs open. Are you sure you want to quit?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes ) ){
      return;
    }
  }
  qDebug() << "Closing Down...";
  this->close();
}

void MainUI::on_actionView_Hidden_Files_triggered(){
  if(ui->actionView_Hidden_Files->isChecked()){
    fsmod->setFilter( QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs | QDir::Hidden );
    snapmod->setFilter( QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs | QDir::Hidden );
  }else{
    fsmod->setFilter( QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs );
    snapmod->setFilter( QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs );
  }
  //Now save this setting for later
  settings->setValue("showhidden", ui->actionView_Hidden_Files->isChecked());
  //Re-load the view widget
  setCurrentDir(getCurrentDir());
}

void MainUI::on_actionShow_Action_Buttons_triggered(){
  ui->group_actions->setVisible(ui->actionShow_Action_Buttons->isChecked());
  settings->setValue("showactions", ui->actionShow_Action_Buttons->isChecked());
}

void MainUI::on_actionShow_Thumbnails_triggered(){
  //Now save this setting for later
  settings->setValue("showthumbnails", ui->actionShow_Thumbnails->isChecked());
  //Set the value in the icon provider
  iconProv->showthumbnails = ui->actionShow_Thumbnails->isChecked();
  //Now make sure the filesystem model knows to re-load the image data
  fsmod->revert();
  //Re-load the view widget
  setCurrentDir(getCurrentDir());
}

void MainUI::goToBookmark(QAction *act){
  if(act==ui->actionManage_Bookmarks){
    BMMDialog dlg(this);
      dlg.loadSettings(settings);
      dlg.exec();
    RebuildBookmarksMenu();
  }else{
    setCurrentDir(act->whatsThis());
  }
}

void MainUI::goToDevice(QAction *act){
  if(act==ui->actionScan){
    RebuildDeviceMenu();
  }else{
    setCurrentDir(act->whatsThis());
  }
}

void MainUI::viewModeChanged(bool active){
  if(!active){ return; } //on every view change, all 3 radio buttons will call this function - only run this once though
  if(radio_view_details->isChecked()){
    ui->tree_dir_view->setVisible(true);
    ui->list_dir_view->setVisible(false);
	settings->setValue("viewmode","details");
  }else if(radio_view_list->isChecked()){
    ui->tree_dir_view->setVisible(false);
    ui->list_dir_view->setVisible(true);
    ui->list_dir_view->setViewMode( QListView::ListMode );
	ui->list_dir_view->setUniformItemSizes(false);
	ui->list_dir_view->setIconSize( QSize(20,20) );
	settings->setValue("viewmode","list");
  }else{  //icons
    ui->tree_dir_view->setVisible(false);
    ui->list_dir_view->setVisible(true);
    ui->list_dir_view->setViewMode( QListView::IconMode );
	ui->list_dir_view->setUniformItemSizes(true);
	ui->list_dir_view->setIconSize( QSize(90,64) );
	settings->setValue("viewmode","icons");
  }
  //Re-load the view widget
  setCurrentDir(getCurrentDir());
	
}

//-----------------------
//Toolbar Actions
//-----------------------
void MainUI::on_actionBack_triggered(){
  QStringList history = tabBar->tabData(tabBar->currentIndex()).toStringList();
  if(history.length() <= 1){ return; } //need the second item
  history.removeAt(0); //remove the first item (the current dir)
  tabBar->setTabData(tabBar->currentIndex(), history); //re-write the saved history
  setCurrentDir(history.first()); //go to the previous entry in the history
}

void MainUI::on_actionUpDir_triggered(){
  QString dir =  getCurrentDir();
    dir.chop( dir.section("/",-1).length() );
    setCurrentDir(dir);
}

void MainUI::on_actionHome_triggered(){
  setCurrentDir(QDir::homePath());
}

void MainUI::on_actionBookMark_triggered(){
  QString dir = getCurrentDir();
  bool ok = false;
  QString name = QInputDialog::getText(this, tr("New Bookmark"), tr("Name:"), QLineEdit::Normal, dir, \
		&ok, 0, Qt::ImhFormattedNumbersOnly | Qt::ImhUppercaseOnly | Qt::ImhLowercaseOnly);
  if(!ok || name.isEmpty()){ return; } //cancelled
  QStringList BM = settings->value("bookmarks",QStringList()).toStringList();
  if(BM.filter(name+"::::").length() >0){
    QMessageBox::warning(this, tr("Invalid Name"), tr("This bookmark name already exists. Please choose another.") );
    QTimer::singleShot(0,this, SLOT(on_actionBookMark_triggered()));
    return;
  }
  BM.append(name+"::::"+dir);
  BM.sort(); //sort alphabetically by name
  settings->setValue("bookmarks", BM);
  //Now rebuild the bookmarks menu
  RebuildBookmarksMenu();
  ui->actionBookMark->setEnabled(false); //already bookmarked
}

//-----------------------------
//Browser Functions
//-----------------------------
void MainUI::startEditDir(QWidget *old, QWidget *now){
  if(now==currentDir){
    //The dir edit just got focus
    QString dir = currentDir->text();
      dir.replace("~/", QDir::homePath()+"/");
      currentDir->setText(dir);
      //Try to move to the end
      currentDir->selectAll();
  }else if(old==currentDir){
    QString dir = currentDir->text();
      setCurrentDir(dir);
  }
}

void MainUI::goToDirectory(){
  QString dir = currentDir->text();
  dir.replace("~/",QDir::homePath()+"/");
  setCurrentDir(dir);
}

void MainUI::reloadDirectory(){
  setCurrentDir( getCurrentDir() );
}

/*void MainUI::viewportChanged(){
  if( !ui->actionsShow_Thumbnails->isChecked()){ return; }
  QModelIndexList list = getVisibleItems();
  for(int i=0; i<list.length(); i++){
    if( !ui->actionsShow_Thumbnails->isChecked()){ return; } //break out as necessary
    if( imgFilter.contains("*."+fsmod->filePath(list[i]).section("/",-1).section(".",-1).toLower()){
      fmod->
    }
  }
}*/

void MainUI::currentDirectoryLoaded(){
  //The directory was just loaded: refresh the action buttons as neccesary
  // NOTE: This is only "caught" when a *new* directory is loaded into the model
  ui->tool_goToPlayer->setVisible(false);
  ui->tool_goToRestore->setVisible(false);
  ui->tool_goToImages->setVisible(false);
  emit DirChanged(getCurrentDir());
  emit Si_AdaptStatusBar(fsmod->rootDirectory().entryInfoList(), getCurrentDir(), tr("Folders"), tr("Files"));
  ItemSelectionChanged();
}

void MainUI::on_tool_addToDir_clicked(){
  bool ok = false;
  QString newdir = QInputDialog::getText(this, tr("New Directory"), tr("Name:"), QLineEdit::Normal, "", \
		&ok, 0, Qt::ImhFormattedNumbersOnly | Qt::ImhUppercaseOnly | Qt::ImhLowercaseOnly);
  if(!ok || newdir.isEmpty()){ return; }
  QString full = getCurrentDir();
  if(!full.endsWith("/")){ full.append("/"); }
  QDir dir(full); //open the current dir
  full.append(newdir); //append the new name to the current dir
  //Verify that the new dir does not already exist
  if(dir.exists(full)){
    QMessageBox::warning(this, tr("Invalid Name"), tr("A file or directory with that name already exists! Please pick a different name."));
    QTimer::singleShot(0,this, SLOT(on_tool_addToDir_clicked()) ); //repeat this function
  }else{
    if(!dir.mkdir(newdir) ){
      QMessageBox::warning(this, tr("Error Creating Directory"), tr("The directory could not be created. Please ensure that you have the proper permissions to modify the current directory."));
    }
  }
}

void MainUI::on_tool_addNewFile_clicked(){
  bool ok = false;
  QString newdocument = QInputDialog::getText(this, tr("New Document"), tr("Name:"), QLineEdit::Normal, "", \
        &ok, 0, Qt::ImhFormattedNumbersOnly | Qt::ImhUppercaseOnly | Qt::ImhLowercaseOnly);
  if(!ok || newdocument.isEmpty()){ return; }
  QString full = getCurrentDir();
  if(!full.endsWith("/")){ full.append("/"); }
  QFile file(full+newdocument);
  if(file.open(QIODevice::ReadWrite)){
    //If successfully opened, it has created a blank file
    file.close();
  }else{
    QMessageBox::warning(this, tr("Error Creating Document"), tr("The document could not be created. Please ensure that you have the proper permissions."));	  
  }
  
}

void MainUI::tabChanged(int tab){
  //Load the directory contained in the new tab
  qDebug() << "Change to Tab:" << tab << tabBar->tabText(tab);
  QString dir = tabBar->tabWhatsThis(tab); //get the full directory
  setCurrentDir(dir); //display this as the current dir
}

void MainUI::tabClosed(int tab){
  if(tabBar->count()==1){ return; } //Can't close the only tab
  if(tab < 0){ tab = tabBar->currentIndex(); }
  //Remove the tab (will automatically move to a different one);
  qDebug() << "Closing tab:" << tab << tabBar->tabText(tab);
  tabBar->removeTab(tab);
  tabBar->setVisible( tabBar->count() > 1 );
}

void MainUI::prevTab(){
  int cur = tabBar->currentIndex();
  if(cur == 0){ tabBar->setCurrentIndex( tabBar->count()-1 ); }
  else{ tabBar->setCurrentIndex( cur-1 ); }
}

void MainUI::nextTab(){
  int cur = tabBar->currentIndex();
  if(cur == (tabBar->count()-1) ){ tabBar->setCurrentIndex(0); }
  else{ tabBar->setCurrentIndex( cur+1 ); }	
}

void MainUI::ItemRun(const QModelIndex &index){
  //This is called when the user double clicks a file/directory
  QString val = fsmod->filePath(index).section("/",-1);
  QString itemPath = getCurrentDir();
  if( !itemPath.endsWith("/")){ itemPath.append("/"); }
  itemPath.append(val);
  if(fsmod->isDir(index)){
    setCurrentDir( itemPath );
  }else{
    //Must be a file, try to run it
    QProcess::startDetached("lumina-open \""+itemPath+"\"");
  }
}

void MainUI::OpenContextMenu(const QPoint &pt){
  QFileInfo info; 
  if(radio_view_details->isChecked()){ 
    QModelIndex it = ui->tree_dir_view->indexAt(pt);
    if(!it.isValid()){ CItem.clear();}
    else{ 
      info = fsmod->fileInfo(it); 
      CItem = info.absoluteFilePath(); 
    }
  }else{ 
    QModelIndex it = ui->list_dir_view->indexAt(pt);
    if(!it.isValid()){ CItem.clear();}
    else{ 
      info = fsmod->fileInfo(it); 
      CItem = info.absoluteFilePath(); 
    }
  }
  //Create the context menu
  contextMenu->clear();
  if(!CItem.isEmpty()){  
    if(info.isDir()){
      contextMenu->addAction(LXDG::findIcon("tab-new-background",""), tr("Open in new tab"), this, SLOT(OpenDir()) );
    }else{
      contextMenu->addAction(LXDG::findIcon("run-build-file",""), tr("Open"), this, SLOT(OpenItem()) );
      contextMenu->addAction(LXDG::findIcon("run-build-configure",""), tr("Open With..."), this, SLOT(OpenItemWith()) );
    }
    contextMenu->addAction(LXDG::findIcon("edit-rename",""), tr("Rename"), this, SLOT(RenameItem()) )->setEnabled(info.isWritable());
    contextMenu->addAction(LXDG::findIcon("document-encrypted",""), tr("View Checksums"), this, SLOT(ChecksumItems()) );
    contextMenu->addSeparator();
  }
  bool hasSelection = !getSelectedItems().isEmpty();
  //Now add the general selection options
  contextMenu->addAction(LXDG::findIcon("edit-cut",""), tr("Cut Selection"), this, SLOT(CutItems()) )->setEnabled(info.isWritable() && hasSelection);
  contextMenu->addAction(LXDG::findIcon("edit-copy",""), tr("Copy Selection"), this, SLOT(CopyItems()) )->setEnabled(hasSelection);
  contextMenu->addAction(LXDG::findIcon("edit-paste",""), tr("Paste"), this, SLOT(PasteItems()) )->setEnabled(QApplication::clipboard()->mimeData()->hasFormat("x-special/lumina-copied-files") && isUserWritable);
  contextMenu->addSeparator();
  contextMenu->addAction(LXDG::findIcon("edit-delete",""), tr("Delete Selection"), this, SLOT(RemoveItem()) )->setEnabled(info.isWritable()&&hasSelection);
  //Now show the menu
  if(radio_view_details->isChecked()){
    contextMenu->popup(ui->tree_dir_view->mapToGlobal(pt));
  }else{
    contextMenu->popup(ui->list_dir_view->mapToGlobal(pt));
  }
}

void MainUI::ItemSelectionChanged(){
  //Enable/disable the action buttons
  QFileInfoList sel = getSelectedItems();
  //display info related to files selected. 
  //TO CHECK: impact if filesystem is very slow
  if(sel.size()>0){ emit Si_AdaptStatusBar(sel, "", tr("Selected Folders"), tr("Files"));}
  else{ emit Si_AdaptStatusBar(fsmod->rootDirectory().entryInfoList(), getCurrentDir(), tr("Folders"), tr("Files")); }

  ui->tool_act_run->setEnabled(sel.length()==1);
  ui->tool_act_runwith->setEnabled(sel.length()==1);
  ui->tool_act_rm->setEnabled(!sel.isEmpty() && isUserWritable);
  ui->tool_act_rename->setEnabled(sel.length()==1 && isUserWritable);
  ui->tool_act_cut->setEnabled(!sel.isEmpty() && isUserWritable);
  ui->tool_act_copy->setEnabled(!sel.isEmpty());
  ui->tool_act_paste->setEnabled(QApplication::clipboard()->mimeData()->hasFormat("x-special/lumina-copied-files") && isUserWritable);
  if(ui->tool_act_paste->isEnabled()){
    ui->tool_act_paste->setToolTip( QString(tr("Currently on clipboard:\n%1")).arg( QString(QApplication::clipboard()->mimeData()->data("x-special/lumina-copied-files")).replace("::::",": ") ) );
  }else{
    ui->tool_act_paste->setToolTip("");
  }
  QString itname;
  if(sel.length()==1){ itname = sel[0].fileName(); }
  bool ok = !itname.isEmpty() && (getCurrentDir()!=QDir::homePath()+"/Desktop");
  if(ok){
    if(QFile::exists(favdir+itname)){
      //Make sure this favorite does not already point to the current file
      QFileInfo info(favdir+itname);
      if(info.isSymLink() && info.exists()){
	ok = false; //still an active favorite - do not allow replacement
      }
    }
  }
  ui->tool_act_fav->setEnabled(ok);
}

//-------------------------------
//Slideshow Functions
//-------------------------------
void MainUI::showNewPicture(){
  if( !ui->label_image->isVisible() ){ return; } //don't update if not visible - can cause strange resizing issues
  QString file = getCurrentDir();
  if(!file.endsWith("/")){ file.append("/"); }
  file.append(ui->combo_image_name->currentText());
  //qDebug() << "Show Image:" << file;
  QPixmap pix(file);
  if(pix.size().width() > ui->label_image->contentsRect().width() || pix.size().height() > ui->label_image->contentsRect().height()){ 
    pix = pix.scaled(ui->label_image->contentsRect().size(), Qt::KeepAspectRatio, Qt::SmoothTransformation); 
  }
  ui->label_image->setPixmap(pix);
  //Now set/load the buttons
  ui->tool_image_goBegin->setEnabled(ui->combo_image_name->currentIndex()>0);
  ui->tool_image_goPrev->setEnabled(ui->combo_image_name->currentIndex()>0);
  ui->tool_image_goEnd->setEnabled(ui->combo_image_name->currentIndex()<(ui->combo_image_name->count()-1));
  ui->tool_image_goNext->setEnabled(ui->combo_image_name->currentIndex()<(ui->combo_image_name->count()-1));
  ui->label_image_index->setText( QString::number(ui->combo_image_name->currentIndex()+1)+"/"+QString::number(ui->combo_image_name->count()) );
  static QList<QByteArray> writeableformats;
  if(writeableformats.isEmpty()){
    writeableformats  = QImageWriter::supportedImageFormats();
    qDebug() << "Writeable image formats:" << writeableformats;
  }
  bool canwrite = writeableformats.contains(file.section(".",-1).toLower().toLocal8Bit()); //compare the suffix with the list
  ui->tool_image_remove->setEnabled(isUserWritable);
  ui->tool_image_rotateleft->setEnabled(isUserWritable && canwrite);
  ui->tool_image_rotateright->setEnabled(isUserWritable && canwrite);
}

void MainUI::firstPicture(){
  ui->combo_image_name->setCurrentIndex(0);
}

void MainUI::prevPicture(){
  ui->combo_image_name->setCurrentIndex( ui->combo_image_name->currentIndex()-1 );
}

void MainUI::nextPicture(){
  ui->combo_image_name->setCurrentIndex( ui->combo_image_name->currentIndex()+1 );
}

void MainUI::lastPicture(){
  ui->combo_image_name->setCurrentIndex( ui->combo_image_name->count()-1 );
}

void MainUI::removePicture(){
  QString file = getCurrentDir();
  if(!file.endsWith("/")){ file.append("/"); }
  file.append(ui->combo_image_name->currentText());
  //Verify permanent removal of file/dir
  if(QMessageBox::Yes != QMessageBox::question(this, tr("Verify Removal"), tr("WARNING: This will permanently delete the file from the system!")+"\n"+tr("Are you sure you want to continue?")+"\n\n"+file, QMessageBox::Yes | QMessageBox::No, QMessageBox::No) ){
    return; //cancelled
  }
  if( QFile::remove(file) ){
    int index = ui->combo_image_name->currentIndex();
    ui->combo_image_name->removeItem( index );
  }
}

void MainUI::rotatePictureLeft(){
  //First load the file fresh (not the scaled version in the UI)
  QString file = getCurrentDir();
  if(!file.endsWith("/")){ file.append("/"); }
  file.append(ui->combo_image_name->currentText());
  QPixmap pix(file);	
  //Now rotate the image 90 degrees counter-clockwise
  QTransform trans;
  pix = pix.transformed( trans.rotate(-90) , Qt::SmoothTransformation);
  //Now save the image back to the same file
  pix.save(file);
  //Now re-load the image in the UI
  showNewPicture();
}

void MainUI::rotatePictureRight(){
  //First load the file fresh (not the scaled version in the UI)
  QString file = getCurrentDir();
  if(!file.endsWith("/")){ file.append("/"); }
  file.append(ui->combo_image_name->currentText());
  QPixmap pix(file);	
  //Now rotate the image 90 degrees counter-clockwise
  QTransform trans;
  pix = pix.transformed( trans.rotate(90) , Qt::SmoothTransformation);
  //Now save the image back to the same file
  pix.save(file);
  //Now re-load the image in the UI
  showNewPicture();	
}

//----------------------------------
//ZFS Restore Functions
//----------------------------------
void MainUI::snapshotLoaded(){
  ui->tree_zfs_dir->resizeColumnToContents(0);
}

void MainUI::showSnapshot(){
  ui->tool_zfs_prevSnap->setEnabled(ui->slider_zfs_snapshot->value()!=1);
  ui->tool_zfs_nextSnap->setEnabled(ui->slider_zfs_snapshot->value()!=ui->slider_zfs_snapshot->maximum());
  ui->label_zfs_snap->setText( snapDirs[ui->slider_zfs_snapshot->value()-1].section("/.zfs/snapshot/",1,1).section("/",0,0) );
  //Load the dir contents
  ui->tree_zfs_dir->setRootIndex(snapmod->index(snapDirs[ui->slider_zfs_snapshot->value()-1]));
}

void MainUI::prevSnapshot(){
  ui->slider_zfs_snapshot->setValue(ui->slider_zfs_snapshot->value()-1);
}

void MainUI::nextSnapshot(){
  ui->slider_zfs_snapshot->setValue(ui->slider_zfs_snapshot->value()+1);
}

void MainUI::restoreItems(){
   //Get the selected items
   QStringList sel; //= getSelectedItems();
   QModelIndexList items = ui->tree_zfs_dir->selectionModel()->selectedIndexes();
   for(int i=0; i<items.length(); i++){
     sel << snapmod->filePath(items[i]).section("/",-1);
   }
   sel.removeDuplicates();
   if(sel.isEmpty()){ return; } //nothing selected
   if(!checkUserPerms()){ return; }
   //Get the directories
   QString snapdir = snapDirs[ui->slider_zfs_snapshot->value()-1];
   QString basedir = getCurrentDir();
   if(!basedir.endsWith("/")){ basedir.append("/"); }
   if(!snapdir.endsWith("/")){ snapdir.append("/"); }
   //Fill out the lists appropriately
   QStringList resto;
   qDebug() << "Items Selected:" << sel;
   for(int i=0; i<sel.length(); i++){
     resto << basedir+sel[i];
     sel[i] = snapdir+sel[i];
   }
   qDebug() << "Restore Items:" << sel << "\n" << resto;
   //Restore the items
   FODialog dlg(this);
	dlg.setOverwrite(ui->check_zfs_overwrite->isChecked());
	dlg.RestoreFiles(sel, resto);
   dlg.exec();
   if(dlg.noerrors){
     QMessageBox::information(this, tr("Success"), tr("Successfully restored selection") );
   }
}

//----------------------------
// Multimedia Player
//----------------------------
void MainUI::playerStart(){
  if(ui->stackedWidget->currentWidget()!=ui->page_audioPlayer){ return; } //don't play if not in the player
  
  if(mediaObj->state()==QMediaPlayer::PausedState \
      && mediaObj->currentMedia().canonicalUrl().fileName()==ui->combo_player_list->currentText() ){
    mediaObj->play();
  }else{
    mediaObj->stop();
    //Get the selected file path
    QString filePath = getCurrentDir();
    if(!filePath.endsWith("/")){ filePath.append("/"); }
    filePath.append( ui->combo_player_list->currentText() );
      mediaObj->setMedia( QUrl::fromLocalFile(filePath) );
      playerTTime.clear();
      playerSlider->setEnabled(mediaObj->isSeekable());
      mediaObj->play();
  }
}

void MainUI::playerError(){
  QString msg = QString(tr("Error Playing File: %1"));
  msg = msg.arg( mediaObj->currentMedia().canonicalUrl().fileName() );
  msg.append("\n"+mediaObj->errorString());
  ui->label_player_novideo->setText(msg);
}

void MainUI::playerStop(){
  mediaObj->stop();
}

void MainUI::playerPause(){
  mediaObj->pause();
}

void MainUI::playerNext(){
  ui->combo_player_list->setCurrentIndex( ui->combo_player_list->currentIndex()+1);
  if(mediaObj->state()!=QMediaPlayer::StoppedState){ playerStart(); }
}

void MainUI::playerPrevious(){
  ui->combo_player_list->setCurrentIndex( ui->combo_player_list->currentIndex()-1);	
  if(mediaObj->state()!=QMediaPlayer::StoppedState){ playerStart(); }
}

void MainUI::playerFinished(){
  if(ui->combo_player_list->currentIndex()<(ui->combo_player_list->count()-1) && ui->check_player_gotonext->isChecked()){
    ui->combo_player_list->setCurrentIndex( ui->combo_player_list->currentIndex()+1 );
    QTimer::singleShot(0,this,SLOT(playerStart()));
  }else{
    ui->label_player_novideo->setText(tr("Finished"));
  }
}

void MainUI::playerStatusChanged(QMediaPlayer::MediaStatus stat){
  //Only use this for end-of-file detection - use the state detection otherwise
  if(stat == QMediaPlayer::EndOfMedia){
    if(!mediaObj->isMuted()){ playerFinished(); } //make sure it is not being seeked right now
  }	  
}

void MainUI::playerStateChanged(QMediaPlayer::State newstate){
  //This function keeps track of updating the visuals of the player
  bool running = false;
  bool showVideo = false;
  QString msg;
  switch(newstate){
    case QMediaPlayer::PlayingState:
	running=true;
	showVideo = mediaObj->isVideoAvailable();
	msg = "";//mediaObj->metaData(Phonon::TitleMetaData).join(" ");
	if(msg.simplified().isEmpty()){ msg = ui->combo_player_list->currentText(); }
	ui->label_player_novideo->setText(tr("Playing:")+"\n"+msg);
	break;
    case QMediaPlayer::PausedState:
	showVideo=videoDisplay->isVisible(); //don't change the screen
	break;
    case QMediaPlayer::StoppedState:
	ui->label_player_novideo->setText(tr("Stopped"));
        break;
  }
  ui->tool_player_play->setVisible(!running);
  ui->tool_player_pause->setVisible(running);
  ui->tool_player_stop->setEnabled(running);
  ui->label_player_novideo->setVisible(!showVideo);
  videoDisplay->setVisible(showVideo);
}

void MainUI::playerVideoAvailable(bool showVideo){
  ui->label_player_novideo->setVisible(!showVideo);
  videoDisplay->setVisible(showVideo);	
}

void MainUI::playerDurationChanged(qint64 dur){
    if(dur < 0){ return; } //not ready yet
    playerSlider->setMaximum(mediaObj->duration());
    playerTTime = msToText(dur);   	
}

void MainUI::playerTimeChanged(qint64 ctime){
  if(mediaObj->isMuted() || playerTTime.isEmpty() ){ return; } //currently being moved
  playerSlider->setSliderPosition(ctime);
}

void MainUI::playerSliderMoved(int val){
  ui->label_player_runstats->setText( msToText(val)+"/"+playerTTime );
  if(mediaObj->isMuted()){ mediaObj->setPosition(playerSlider->value()); } //currently seeking
}

void MainUI::playerSliderHeld(){
  mediaObj->setMuted(true);
  mediaObj->pause();
}
void MainUI::playerSliderChanged(){
  if(mediaObj->state()==QMediaPlayer::PausedState){ mediaObj->play(); }
  mediaObj->setMuted(false);
}

void MainUI::playerFileChanged(){
  ui->tool_player_next->setEnabled( ui->combo_player_list->count() > (ui->combo_player_list->currentIndex()+1) );	
  ui->tool_player_prev->setEnabled( (ui->combo_player_list->currentIndex()-1) >= 0 );
}

//----------------------------------
// Context Menu Actions
//----------------------------------
void MainUI::OpenItem(){
  if(CItem.isEmpty()){ 
    QFileInfoList sel = getSelectedItems();
    if(sel.isEmpty()){ return; }
    else{ CItem = sel[0].absoluteFilePath(); }
    if(sel[0].isDir()){ OpenDir(); return; } //just in case - open it in a new tab
  }
  qDebug() << "Opening File:" << CItem;
  QProcess::startDetached("lumina-open \""+CItem+"\"");
  CItem.clear();
}

void MainUI::OpenItemWith(){
  if(CItem.isEmpty()){ 
    QFileInfoList sel = getSelectedItems();
    if(sel.isEmpty()){ return; }
    else{ CItem = sel[0].absoluteFilePath(); }
    if(sel[0].isDir()){ OpenDir(); return; } //just in case - open it in a new tab
  }
  qDebug() << "Opening File:" << CItem;
  QProcess::startDetached("lumina-open -select \""+CItem+"\"");	
  CItem.clear();
}

void MainUI::OpenDir(){
  if(CItem.isEmpty()){ 
    QFileInfoList sel = getSelectedItems();
    if(sel.isEmpty()){ return; }
    else{ CItem = sel[0].absoluteFilePath(); }
  }
  OpenDirs(QStringList() << CItem);	
  CItem.clear();  
}

void MainUI::RemoveItem(){
  //Only let this run if viewing the browser page
  if(ui->stackedWidget->currentWidget()!=ui->page_browser){ return; }
   if(!checkUserPerms()){ return; }
   //Get the selected items
   QStringList paths, names;
   //if(CItem.isEmpty()){
     QFileInfoList sel = getSelectedItems();
     for(int i=0; i<sel.length(); i++){
       paths << sel[i].absoluteFilePath();
       names << sel[i].fileName();
     }
     if(sel.isEmpty()){ return; } //nothing selected
  /*}else{
    paths << CItem;
    names << CItem.section("/",-1);
  }*/
  //Verify permanent removal of file/dir
  if(QMessageBox::Yes != QMessageBox::question(this, tr("Verify Removal"), tr("WARNING: This will permanently delete the file(s) from the system!")+"\n"+tr("Are you sure you want to continue?")+"\n\n"+names.join("\n"), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) ){
    return; //cancelled
  }
  //Now remove the file/dir
  qDebug() << "Delete: "<<paths;
  FODialog dlg(this);
    dlg.RemoveFiles(paths);
    dlg.show();
    dlg.exec();
  CItem.clear();
}

void MainUI::RenameItem(){
  //Only let this run if viewing the browser page
  if(ui->stackedWidget->currentWidget()!=ui->page_browser){ return; }
  if(!checkUserPerms()){ return; }
  if(CItem.isEmpty()){ 
    QFileInfoList sel = getSelectedItems();
    if(sel.isEmpty()){ return; }
    else{ CItem = sel[0].absoluteFilePath(); }
  }
  QString fname = CItem;
  QString path = fname;
    fname = fname.section("/",-1); //turn this into just the file name
    path.chop(fname.length()); 	//turn this into the base directory path (has a "/" at the end)
  //Now prompt for the new filename
  bool ok = false;
  QString nname = QInputDialog::getText(this, tr("Rename File"),tr("New Name:"), QLineEdit::Normal, fname, &ok);
  if(!ok || nname.isEmpty()){ CItem.clear(); return; } //cancelled
  //Now check for a file extension and add it if necessary
  QString oext = fname.section(".",-1);
    if("."+oext == fname){ oext.clear(); } //hidden file without an extension
    else if(oext==fname){ oext.clear(); } //no extension
  QString next = nname.section(".",-1);
    if(next==nname){ next.clear(); } //no extension
  if(next.isEmpty() && !oext.isEmpty()){
    nname.append( "."+oext );
  }
  //Check if this filename already exists
  bool overwrite = QFile::exists(path+nname);
  if(overwrite){
    if(QMessageBox::Yes != QMessageBox::question(this, tr("Overwrite File?"), tr("An existing file with the same name will be replaced. Are you sure you want to proceed?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) ){
      CItem.clear(); return; //cancelled
    }
  }
  //Now perform the move
  qDebug() << "Rename:" << path+fname << "->" << path+nname;
  FODialog dlg(this);
    dlg.setOverwrite(overwrite);
    dlg.MoveFiles(QStringList() << path+fname, QStringList() << path+nname);
    dlg.show();
    dlg.exec();
  CItem.clear();
  
  ItemSelectionChanged();
}

void MainUI::FavoriteItem(){
  if(CItem.isEmpty()){ 
    QFileInfoList sel = getSelectedItems();
    if(sel.isEmpty()){ return; }
    else{ CItem = sel[0].absoluteFilePath(); }
  }
  QString fname = CItem;
  QString fullpath = fname;
    fname = fname.section("/",-1); //turn this into just the file name
  if(QFile::exists(favdir+fname)){ QFile::remove(favdir+fname); } //remove the stale link
  QFile::link(fullpath, favdir+fname);
  CItem.clear();
  ItemSelectionChanged();
}

void MainUI::CutItems(){
  //Only let this run if viewing the browser page
  if(ui->stackedWidget->currentWidget()!=ui->page_browser){ return; }
  if(!checkUserPerms()){ return; }
  //Get all the selected Items 
  QFileInfoList sel = getSelectedItems();
  QStringList items;
  if(sel.isEmpty()){ return; } //nothing selected
  //Format the data string
  for(int i=0; i<sel.length(); i++){
    items << "cut::::"+sel[i].absoluteFilePath();
    //sel[i] = sel[i].prepend("cut::::");
  }
  
  //Now save that data to the global clipboard
  QMimeData *dat = new QMimeData;
	dat->clear();
	dat->setData("x-special/lumina-copied-files", items.join("\n").toLocal8Bit());
  QApplication::clipboard()->clear();
  QApplication::clipboard()->setMimeData(dat);
  ItemSelectionChanged();
}

void MainUI::CopyItems(){
  //Only let this run if viewing the browser page
  if(ui->stackedWidget->currentWidget()!=ui->page_browser){ return; }
  //Get all the selected Items 
  QFileInfoList sel = getSelectedItems();
  QStringList items;
  if(sel.isEmpty()){ return; } //nothing selected
  //Format the data string
  for(int i=0; i<sel.length(); i++){
    items << "copy::::"+sel[i].absoluteFilePath();
    //sel[i] = sel[i].prepend("copy::::");
  }
  //Now save that data to the global clipboard
  QMimeData *dat = new QMimeData;
	dat->clear();
	dat->setData("x-special/lumina-copied-files", items.join("\n").toLocal8Bit());
  QApplication::clipboard()->clear();
  QApplication::clipboard()->setMimeData(dat);	
  ItemSelectionChanged();
}

void MainUI::PasteItems(){
  //Only let this run if viewing the browser page
  if(ui->stackedWidget->currentWidget()!=ui->page_browser){ return; }
  const QMimeData *dat = QApplication::clipboard()->mimeData();
  if(!dat->hasFormat("x-special/lumina-copied-files")){ return; } //nothing to paste
  if(!checkUserPerms()){ return; }
  QStringList cut, copy, newcut, newcopy;
  QStringList raw = QString(dat->data("x-special/lumina-copied-files")).split("\n");
  QString base = getCurrentDir();
  if(!base.endsWith("/")){ base.append("/"); }
  for(int i=0; i<raw.length(); i++){
    if(raw[i].startsWith("cut::::")){ 
	cut << raw[i].section("::::",1,50);
	newcut << base+raw[i].section("::::",1,50).section("/",-1);
    }
    else if(raw[i].startsWith("copy::::")){ 
	copy << raw[i].section("::::",1,50); 
	newcopy<< base+raw[i].section("::::",1,50).section("/",-1);
    }
  }
  bool errs = false;
  //Perform the copy/move operations
  if(!copy.isEmpty()){ 
    qDebug() << "Paste Copy:" << copy << "->" << newcopy;
    FODialog dlg(this);
      dlg.CopyFiles(copy, newcopy);
      dlg.show();
      dlg.exec();
      errs = errs || !dlg.noerrors;
  }
  if(!cut.isEmpty()){
    qDebug() << "Paste Cut:" << cut << "->" << newcut;
    FODialog dlg(this);
      dlg.MoveFiles(cut, newcut);
      dlg.show();
      dlg.exec();
      errs = errs || !dlg.noerrors;
  }
  //Modify the clipboard appropriately
  if(!errs && !cut.isEmpty()){
    //Now clear the clipboard since those old file locations are now invalid
    QApplication::clipboard()->clear(); 
    if(!copy.isEmpty()){
      //There were also files copied: save those files back into the clipboard
       QMimeData *dat = new QMimeData;
	dat->clear();
	dat->setData("x-special/lumina-copied-files", raw.filter("copy::::").join("\n").toLocal8Bit());
	QApplication::clipboard()->setMimeData(dat);
    }
  }
  ItemSelectionChanged();	
}

void MainUI::ChecksumItems(){
  if(ui->stackedWidget->currentWidget()!=ui->page_browser){ return; }
  QFileInfoList sel = getSelectedItems();
  if(sel.isEmpty()){ return; }
  QStringList info, files;
  for(int i=0; i<sel.length(); i++){
    files << sel[i].absoluteFilePath();
  }
  qDebug() << "Run Checksums:" << files;
  info = LOS::Checksums(files);
  qDebug() << " - Info:" << info;
  if(info.isEmpty() || (info.length() != files.length()) ){ return; }
  for(int i=0; i<info.length(); i++){
    info[i] = QString("%2  \t(%1)").arg(files[i].section("/",-1), info[i]);
  }
  /*QMessageBox dlg(this);
    dlg.setWindowFlags( Qt::Dialog );
    dlg.setWindowTitle( tr("File Checksums") );
    dlg.setInformativeText(info.join("\n"));
  dlg.exec();*/
  QMessageBox::information(this, tr("File Checksums"), info.join("\n") );
}

void MainUI::resizeEvent(QResizeEvent *event){
  //Save the new size internally
  settings->setValue("geometry/height", event->size().height());
  settings->setValue("geometry/width", event->size().width());
}