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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 "BrowserWidget.h"
#include <QVBoxLayout>
#include <QTimer>
#include <QSettings>
#include <LUtils.h>
#include <LuminaOS.h>
BrowserWidget::BrowserWidget(QString objID, QWidget *parent) : QWidget(parent){
//Setup the Widget/UI
this->setLayout( new QVBoxLayout(this) );
ID = objID;
//BROWSER = 0;
//Setup the backend browser object
BROWSER = new Browser(this);
connect(BROWSER, SIGNAL(clearItems()), this, SLOT(clearItems()) );
connect(BROWSER, SIGNAL(itemRemoved(QString)), this, SLOT(itemRemoved(QString)) );
connect(BROWSER, SIGNAL(itemDataAvailable(QIcon, LFileInfo)), this, SLOT(itemDataAvailable(QIcon, LFileInfo)) );
connect(BROWSER, SIGNAL(itemsLoading(int)), this, SLOT(itemsLoading(int)) );
connect(this, SIGNAL(dirChange(QString)), BROWSER, SLOT(loadDirectory(QString)) );
listWidget = 0;
treeWidget = 0;
readDateFormat();
freshload = true; //nothing loaded yet
numItems = 0;
this->setMouseTracking(true);
}
BrowserWidget::~BrowserWidget(){
BROWSER->deleteLater();
}
void BrowserWidget::changeDirectory(QString dir){
if(BROWSER->currentDirectory()==dir){ return; } //already on this directory
qDebug() << "Change Directory:" << dir << historyList;
if( !dir.contains("/.zfs/snapshot/") ){
if(historyList.isEmpty() || !dir.isEmpty()){ historyList << dir; }
}else{
//Need to remove the zfs snapshot first and ensure that it is not the same dir (just a diff snapshot)
QString cleaned = dir;
cleaned = cleaned.replace( QRegExp("/\\.zfs/snapshot/(.)+/"), "/" );
if( (historyList.isEmpty() || historyList.last()!=cleaned) && !cleaned.isEmpty() ){ historyList << cleaned; }
}
qDebug() << "History:" << historyList;
emit dirChange(dir);
}
void BrowserWidget::showDetails(bool show){
//Clean up widgets first
QSize iconsize;
if(show && listWidget!=0){
//Clean up list widget
iconsize = listWidget->iconSize();
this->layout()->removeWidget(listWidget);
listWidget->deleteLater();
listWidget = 0;
}else if(!show && treeWidget!=0){
iconsize = treeWidget->iconSize();
this->layout()->removeWidget(treeWidget);
treeWidget->deleteLater();
treeWidget = 0;
}
// qDebug() << "Create Widget: details:" << show;
//Now create any new widgets
if(show && treeWidget == 0){
treeWidget = new DDTreeWidget(this);
treeWidget->setContextMenuPolicy(Qt::CustomContextMenu);
if(!iconsize.isNull()){ treeWidget->setIconSize(iconsize); }
this->layout()->addWidget(treeWidget);
connect(treeWidget, SIGNAL(itemActivated(QTreeWidgetItem*,int)), this, SIGNAL(itemsActivated()) );
connect(treeWidget, SIGNAL(customContextMenuRequested(const QPoint&)), this, SIGNAL(contextMenuRequested()) );
connect(treeWidget, SIGNAL(DataDropped(QString, QStringList)), this, SIGNAL(DataDropped(QString, QStringList)) );
connect(treeWidget, SIGNAL(GotFocus()), this, SLOT(selectionChanged()) );
retranslate();
treeWidget->sortItems(0, Qt::AscendingOrder);
if(!BROWSER->currentDirectory().isEmpty()){ emit dirChange(""); }
}else if(!show && listWidget==0){
listWidget = new DDListWidget(this);
listWidget->setContextMenuPolicy(Qt::CustomContextMenu);
if(!iconsize.isNull()){ listWidget->setIconSize(iconsize); }
this->layout()->addWidget(listWidget);
connect(listWidget, SIGNAL(itemActivated(QListWidgetItem*)), this, SIGNAL(itemsActivated()) );
connect(listWidget, SIGNAL(customContextMenuRequested(const QPoint&)), this, SIGNAL(contextMenuRequested()) );
connect(listWidget, SIGNAL(DataDropped(QString, QStringList)), this, SIGNAL(DataDropped(QString, QStringList)) );
connect(listWidget, SIGNAL(GotFocus()), this, SLOT(selectionChanged()) );
if(!BROWSER->currentDirectory().isEmpty()){ emit dirChange(""); }
}
//qDebug() << " Done making widget";
}
bool BrowserWidget::hasDetails(){
return (treeWidget!=0);
}
void BrowserWidget::showHiddenFiles(bool show){
BROWSER->showHiddenFiles(show);
}
bool BrowserWidget::hasHiddenFiles(){
return BROWSER->showingHiddenFiles();
}
void BrowserWidget::showThumbnails(bool show){
BROWSER->showThumbnails(show);
}
bool BrowserWidget::hasThumbnails(){
return BROWSER->showingThumbnails();
}
void BrowserWidget::setThumbnailSize(int px){
bool larger = true;
if(listWidget!=0){
larger = listWidget->iconSize().height() < px;
listWidget->setIconSize(QSize(px,px));
}else if(treeWidget!=0){
larger = treeWidget->iconSize().height() < px;
treeWidget->setIconSize(QSize(px,px));
}
//qDebug() << "Changing Icon Size:" << px << larger;
if(BROWSER->currentDirectory().isEmpty() || !larger ){ return; } //don't need to reload icons unless the new size is larger
emit dirChange("");
}
int BrowserWidget::thumbnailSize(){
if(listWidget!=0){ return listWidget->iconSize().height(); }
else if(treeWidget!=0){ return treeWidget->iconSize().height(); }
return 0;
}
void BrowserWidget::setHistory(QStringList paths){
//NOTE: later items are used first
historyList = paths;
}
QStringList BrowserWidget::history(){
return historyList;
}
void BrowserWidget::setShowActive(bool show){
QString base = "";//"QListWidget::item,QTreeWidget::item{ border: 1px solid transparent; background-color: red; } QListWidget::item:hover,QTreeWidget::item:hover{ border: 1px solid black; background-color: blue; }";
if(!show){ base.prepend("QAbstractScrollArea{ background-color: rgba(10,10,10,10); } QHeaderView{ background-color: lightgrey; } "); }
this->setStyleSheet(base);
}
// This function is only called if user changes sessionsettings. By doing so, operations like sorting by date
// are faster because the date format is already stored in DirWidget::date_format static variable
void BrowserWidget::readDateFormat() {
if(!date_format.isEmpty())
date_format.clear();
QSettings settings("lumina-desktop","sessionsettings");
// If value doesn't exist or is not setted, empty string is returned
date_format << settings.value("DateFormat").toString();
date_format << settings.value("TimeFormat").toString();
}
QStringList BrowserWidget::currentSelection(){
QStringList out;
if(listWidget!=0){
QList<QListWidgetItem*> sel = listWidget->selectedItems();
//qDebug() << "Selection number:" << sel.length();
//if(sel.isEmpty() && listWidget->currentItem()!=0){ sel << listWidget->currentItem(); }
//qDebug() << "Selection number:" << sel.length();
for(int i=0; i<sel.length(); i++){ out << sel[i]->whatsThis(); qDebug() << "Selection:" << sel[i]->text() << sel[i]->whatsThis(); }
}else if(treeWidget!=0){
QList<QTreeWidgetItem*> sel = treeWidget->selectedItems();
//if(sel.isEmpty() && treeWidget->currentItem()!=0){ sel << treeWidget->currentItem(); }
for(int i=0; i<sel.length(); i++){ out << sel[i]->whatsThis(0); }
}
out.removeDuplicates(); //just in case - tree widgets sometimes "select" each column as an individual item
return out;
}
QStringList BrowserWidget::currentItems(int type){
//type: 0=all, -1=files, +1=dirs
QStringList paths;
if(listWidget!=0){
for(int i=0; i<listWidget->count(); i++){
if(i<0 && (listWidget->item(i)->data(Qt::UserRole).toString()=="file") ){ //FILES
paths << listWidget->item(i)->whatsThis();
}else if(i>0 && (listWidget->item(i)->data(Qt::UserRole).toString()=="dir")){ //DIRS
paths << listWidget->item(i)->whatsThis();
}else if(i==0){ //ALL
paths << listWidget->item(i)->whatsThis();
}
}
}else if(treeWidget!=0){
for(int i=0; i<treeWidget->topLevelItemCount(); i++){
if(i<0 && !treeWidget->topLevelItem(i)->text(1).isEmpty()){ //FILES
paths << treeWidget->topLevelItem(i)->whatsThis(0);
}else if(i>0 && treeWidget->topLevelItem(i)->text(1).isEmpty()){ //DIRS
paths << treeWidget->topLevelItem(i)->whatsThis(0);
}else if(i==0){ //ALL
paths << treeWidget->topLevelItem(i)->whatsThis(0);
}
}
}
return paths;
}
// =================
// PUBLIC SLOTS
// =================
void BrowserWidget::retranslate(){
if(listWidget!=0){
}else if(treeWidget!=0){
QTreeWidgetItem *it = new QTreeWidgetItem();
it->setText(0,tr("Name"));
it->setText(1,tr("Size"));
it->setText(2, tr("Type"));
it->setText(3, tr("Date Modified") );
it->setText(4, tr("Date Created") );
treeWidget->setHeaderItem(it);
//Now reset the sorting (alphabetically, dirs first)
treeWidget->sortItems(0, Qt::AscendingOrder); // sort by name
treeWidget->sortItems(1, Qt::AscendingOrder); //sort by type
}
}
// =================
// PRIVATE
// =================
QString BrowserWidget::DTtoString(QDateTime dt){
QStringList fmt = date_format;
if(fmt.isEmpty() || fmt.length()!=2 || (fmt[0].isEmpty() && fmt[1].isEmpty()) ){
//Default formatting
return dt.toString(Qt::DefaultLocaleShortDate);
}else if(fmt[0].isEmpty()){
//Time format only
return (dt.date().toString(Qt::DefaultLocaleShortDate)+" "+dt.time().toString(fmt[1]));
}else if(fmt[1].isEmpty()){
//Date format only
return (dt.date().toString(fmt[0])+" "+dt.time().toString(Qt::DefaultLocaleShortDate));
}else{
//both date/time formats set
return dt.toString(fmt.join(" "));
}
}
// =================
// PRIVATE SLOTS
// =================
void BrowserWidget::clearItems(){
//qDebug() << "Clear Items";
if(listWidget!=0){ listWidget->clear(); }
else if(treeWidget!=0){ treeWidget->clear(); }
freshload = true;
}
void BrowserWidget::itemRemoved(QString item){
//qDebug() << "item removed" << item;
if(treeWidget!=0){
QList<QTreeWidgetItem*> found = treeWidget->findItems(item.section("/",-1), Qt::MatchExactly, 0); //look for exact name match
if(found.isEmpty()){ return; } //no match
delete found[0];
}else if(listWidget!=0){
QList<QListWidgetItem*> found = listWidget->findItems(item.section("/",-1), Qt::MatchExactly); //look for exact name match
if(found.isEmpty()){ return; }
delete found[0];
}
}
void BrowserWidget::itemDataAvailable(QIcon ico, LFileInfo info){
//qDebug() << "Item Data Available:" << info.fileName();
int num = 0;
if(listWidget!=0){
//LIST WIDGET - name and icon only
if(!listWidget->findItems(info.fileName(), Qt::MatchExactly).isEmpty()){
//Update existing item
QListWidgetItem *it = listWidget->findItems(info.fileName(), Qt::MatchExactly).first();
it->setText(info.fileName());
it->setWhatsThis(info.absoluteFilePath());
it->setIcon(ico);
}else{
//New item
QListWidgetItem *it = new CQListWidgetItem(ico, info.fileName(), listWidget);
it->setWhatsThis(info.absoluteFilePath());
it->setData(Qt::UserRole, (info.isDir() ? "dir" : "file")); //used for sorting
listWidget->addItem(it);
}
num = listWidget->count();
}else if(treeWidget!=0){
QTreeWidgetItem *it = 0;
if( ! treeWidget->findItems(info.fileName(), Qt::MatchExactly, 0).isEmpty() ){ it = treeWidget->findItems(info.fileName(), Qt::MatchExactly, 0).first(); }
else{
it = new CQTreeWidgetItem(treeWidget);
it->setText(0, info.fileName() ); //name (0)
treeWidget->addTopLevelItem(it);
}
//Now set/update all the data
it->setIcon(0, ico);
it->setText(1, info.isDir() ? "" : LUtils::BytesToDisplaySize(info.size()) ); //size (1)
it->setText(2, info.mimetype() ); //type (2)
it->setText(3, DTtoString(info.lastModified() )); //modification date (3)
it->setText(4, DTtoString(info.created()) ); //creation date (4)
//Now all the hidden data
it->setWhatsThis(0, info.absoluteFilePath());
it->setWhatsThis(3, info.lastModified().toString("yyyyMMddhhmmsszzz") ); //sorts by this actually
it->setWhatsThis(4, info.created().toString("yyyyMMddhhmmsszzz") ); //sorts by this actually
num = treeWidget->topLevelItemCount();
}
if(num < numItems){
//Still loading items
//this->setEnabled(false);
}else{
if(freshload && treeWidget!=0){
//qDebug() << "Resize Tree Widget Contents";
for(int i=0; i<treeWidget->columnCount(); i++){ treeWidget->resizeColumnToContents(i); }
}
freshload = false; //any further changes are updates - not a fresh load of a dir
//Done loading items
//this->setEnabled(true);
//Assemble any status message
QString stats = QString(tr("Capacity: %1")).arg(LOS::FileSystemCapacity(BROWSER->currentDirectory()));
int nF, nD;
double bytes = 0;
nF = nD = 0;
if(listWidget!=0){
bytes = -1; //not supported for this widget
for(int i=0; i<listWidget->count(); i++){
if(listWidget->item(i)->data(Qt::UserRole).toString()=="dir"){ nD++; } //directory
else{ nF++; } //file
}
}else if(treeWidget!=0){
for(int i=0; i<treeWidget->topLevelItemCount(); i++){
if(treeWidget->topLevelItem(i)->text(1).isEmpty()){
nD++; //directory
}else{
nF++; //file
bytes+=LUtils::DisplaySizeToBytes(treeWidget->topLevelItem(i)->text(1));
}
}
}
if( (nF+nD) >0){
stats.prepend("\t");
if(nF>0){
//Has Files
if(bytes>0){
stats.prepend( QString(tr("Files: %1 (%2)")).arg(QString::number(nF), LUtils::BytesToDisplaySize(bytes)) );
}else{
stats.prepend( QString(tr("Files: %1")).arg(QString::number(nF)) );
}
}
if(nD > 0){
//Has Dirs
if(nF>0){ stats.prepend(" / "); }//has files output already
stats.prepend( QString(tr("Dirs: %1")).arg(QString::number(nD)) );
}
}
emit updateDirectoryStatus( stats.simplified() );
statustip = stats.simplified(); //save for later
}//end check for finished loading items
}
void BrowserWidget::itemsLoading(int total){
qDebug() << "Got number of items loading:" << total;
if(listWidget!=0){ listWidget->setWhatsThis( BROWSER->currentDirectory() ); }
if(treeWidget!=0){ treeWidget->setWhatsThis(BROWSER->currentDirectory() ); }
numItems = total; //save this for later
if(total<1){
emit updateDirectoryStatus( tr("No Directory Contents") );
this->setEnabled(true);
}
}
void BrowserWidget::selectionChanged(){
emit hasFocus(ID); //let the parent know the widget is "active" with the user
}
void BrowserWidget::resizeEvent(QResizeEvent *ev){
QWidget::resizeEvent(ev); //do the normal processing first
//The list widget needs to be poked to rearrange the items to fit the new size
// tree widget does this fine at the moment.
if(listWidget!=0){
listWidget->sortItems(Qt::AscendingOrder);
}
}
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