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//===========================================
// Lumina-DE source code
// Copyright (c) 2016, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "Browser.h"
Browser::Browser(QObject *parent) : QObject(parent){
watcher = new QFileSystemWatcher(this);
connect(watcher, SIGNAL(fileChanged(const QString&)), this, SLOT(fileChanged(QString)) );
connect(watcher, SIGNAL(directoryChanged(const QString&)), this, SLOT(dirChanged(QString)) );
showHidden = false;
}
Browser::~Browser(){
watcher->deleteLater();
}
QString Browser::currentDirectory(){ return currentDir; }
void Browser::showHiddenFiles(bool show){
if(show !=showHidden){
showHidden = show;
QTimer::singleShot(0, this, SLOT(loadDirectory()) );
}
}
bool Browser::showingHiddenFiles(){
return showHidden;
}
// PRIVATE
void Browser::loadItem(QFileInfo info){
LFileInfo linfo(info);
QIcon ico;
if(linfo.isImage()){
QPixmap pix;
if(pix.load(info.absoluteFilePath()) ){
if(pix.height()>128){ pix = pix.scaled(128, 128, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation); }
ico.addPixmap(pix);
}
}else if(linfo.isDirectory()){
ico = LXDG::findIcon("folder","inode/directory");
}
if(ico.isNull()){ ico = LXDG::findIcon(linfo.mimetype(), "unknown"); }
emit ItemDataAvailable(ico, linfo);
}
// PRIVATE SLOTS
void Browser::fileChanged(QString file){
if(file.startsWith(currentDir+"/")){ emit itemUpdated(file); }
else if(file==currentDir){ QTimer::singleShot(0, this, SLOT(loadDirectory()) ); }
}
void Browser::dirChanged(QString dir){
if(dir==currentDir){ QTimer::singleShot(0, this, SLOT(loadDirectory()) ); }
else if(dir.startsWith(currentDir)){ emit itemUpdated(dir); }
}
// PUBLIC SLOTS
QString Browser::loadDirectory(QString dir){
if(dir.isEmpty()){ dir = currentDir; } //reload current directory
if(dir.isEmpty()){ return; } //nothing to do - nothing previously loaded
//clean up the watcher first
QStringList watched; watched << watcher->files() << watcher->directories();
if(!watched.isEmpty()){ watcher->removePaths(watched); }
emit clearItems(); //let the main widget know to clear all current items
//QApplication::processEvents();
// read the given directory
QDir directory(dir);
if(directory.exists()){
QFileInfoList files;
if(showHidden){ files = directory.entryInfoList( QDir::Dirs | QDir::Files | QDir::Hidden | QDir::NoDotOrDotDot, QDir::NoSort); }
else{ files = directory.entryInfoList( QDir::Dirs | QDir::Files | QDir::NoDotOrDotDot, QDir::NoSort); }
for(int i=0; i<files.length(); i++){
watcher->addPath(files[i].absoluteFilePath());
QtConcurrent::run(this, &Browser::loadDirectory, files[i]);
}
watcher->addPath(directory.absolutePath());
}
}
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