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//===========================================
// Lumina-DE source code
// Copyright (c) 2014, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "FODialog.h"
#include "ui_FODialog.h"
#include <QApplication>
FODialog::FODialog(QWidget *parent) : QDialog(parent), ui(new Ui::FODialog){
ui->setupUi(this); //load the designer file
ui->label->setText(tr("Calculating"));
ui->progressBar->setVisible(false);
ui->push_stop->setIcon( LXDG::findIcon("edit-delete","") );
//Now set the internal defaults
isRM = isCP = isRESTORE = isMV = stopped = noerrors = false;
overwrite = -1; //set to automatic by default
this->show();
}
FODialog::~FODialog(){
stopped = true; //just in case it might still be running when closed
}
void FODialog::setOverwrite(bool ovw){
if(ovw){ overwrite = 1; }
else{ overwrite = 0; }
}
//Public "start" functions
void FODialog::RemoveFiles(QStringList paths){
ofiles = paths;
isRM = true;
QTimer::singleShot(10,this, SLOT(slotStartOperations()));
}
void FODialog::CopyFiles(QStringList oldPaths, QStringList newPaths){
//same permissions as old files
if(oldPaths.length() == newPaths.length()){
ofiles = oldPaths; nfiles = newPaths;
}
isCP=true;
QTimer::singleShot(10,this, SLOT(slotStartOperations()));
}
void FODialog::RestoreFiles(QStringList oldPaths, QStringList newPaths){
//user/group rw permissions
if(oldPaths.length() == newPaths.length()){
ofiles = oldPaths; nfiles = newPaths;
}
isRESTORE = true;
QTimer::singleShot(10,this, SLOT(slotStartOperations()));
}
void FODialog::MoveFiles(QStringList oldPaths, QStringList newPaths){
//no change in permissions
if(oldPaths.length() == newPaths.length()){
ofiles = oldPaths; nfiles = newPaths;
}
isMV=true;
QTimer::singleShot(10,this, SLOT(slotStartOperations()));
}
// ==== PRIVATE ====
QStringList FODialog::subfiles(QString dirpath, bool dirsfirst){
//NOTE: dirpath (input) is always the first/last item in the output as well!
QStringList out;
if(dirsfirst){ out << dirpath; }
if( QFileInfo(dirpath).isDir() ){
QDir dir(dirpath);
if(dirsfirst){
//Now recursively add any subdirectories and their contents
QStringList subdirs = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::NoSort);
for(int i=0; i<subdirs.length(); i++){ out << subfiles(dir.absoluteFilePath(subdirs[i]), dirsfirst); }
}
//List the files
QStringList files = dir.entryList(QDir::Files | QDir::NoDotAndDotDot, QDir::NoSort);
for(int i=0; i<files.length(); i++){ out << dir.absoluteFilePath(files[i]); }
if(!dirsfirst){
//Now recursively add any subdirectories and their contents
QStringList subdirs = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::NoSort);
for(int i=0; i<subdirs.length(); i++){ out << subfiles(dir.absoluteFilePath(subdirs[i]), dirsfirst); }
}
}
if(!dirsfirst){ out << dirpath; }
return out;
}
QString FODialog::newFileName(QString path){
int num=1;
QString extension = path.section("/",-1).section(".",-1);
if( path.section("/",-1) == "."+extension || extension ==path.section("/",-1) ){ extension.clear(); } //just a hidden file without extension or directory
if(!extension.isEmpty() ){
extension.prepend(".");
path.chop(extension.length());
}
while( QFile::exists(path+"-"+QString::number(num)+extension) ){ num++; }
return QString(path+"-"+QString::number(num)+extension);
}
QStringList FODialog::removeItem(QString path, bool recursive){
//qDebug() << "Remove Path:" << path;
QStringList items;
if(recursive){ items = subfiles(path,false); }
else{ items << path; } //only the given path
//qDebug() << " - Subfiles:" << items;
QStringList err;
for(int i=0; i<items.length(); i++){
if(QFileInfo(items[i]).isDir()){
if(items[i]==path){
//Current Directory Removal
QDir dir;
if( !dir.rmdir(items[i]) ){ err << items[i]; }
}else{
//Recursive Directory Removal
err << removeItem(items[i], recursive);
}
}else{
//Simple File Removal
if( !QFile::remove(items[i]) ){ err << items[i]; }
}
}
return err;
}
QStringList FODialog::copyItem(QString oldpath, QString newpath){
QStringList err;
if(QFileInfo(oldpath).isDir()){
//Create a new directory with the same name (no way to copy dir+contents)
QDir dir;
if( !dir.mkpath(newpath) ){ err << oldpath; }
}else{
//Copy the file and reset permissions as necessary
if( !QFile::copy(oldpath, newpath) ){ err << oldpath; }
else{
if(isCP){
QFile::setPermissions(newpath, QFile::permissions(oldpath));
//Nothing special for copies at the moment (might be something we run into later)
}else if(isRESTORE){
QFile::setPermissions(newpath, QFile::permissions(oldpath));
//Nothing special for restores at the moment (might be something we run into later)
}
}
}
return err;
}
// ==== PRIVATE SLOTS ====
void FODialog::slotStartOperations(){
ui->label->setText(tr("Calculating..."));
//qDebug() << "Start File operations" << isRM << isCP << isMV << ofiles << nfiles;
//Now setup the UI
ui->progressBar->setRange(0,ofiles.length());
ui->progressBar->setValue(0);
ui->progressBar->setVisible(true);
QApplication::processEvents();
if(!isRM && overwrite==-1){
//Check if the new files already exist, and prompt for action
QStringList existing;
for(int i=0; i<nfiles.length(); i++){
if(QFile::exists(nfiles[i])){ existing << nfiles[i].section("/",-1); }
}
if(!existing.isEmpty()){
//Prompt for whether to overwrite, not overwrite, or cancel
QMessageBox::StandardButton ans = QMessageBox::question(this, tr("Overwrite Files?"), tr("Do you want to overwrite the existing files?")+"\n"+tr("Note: It will just add a number to the filename otherwise.")+"\n\n"+existing.join(", "), QMessageBox::YesToAll | QMessageBox::NoToAll | QMessageBox::Cancel, QMessageBox::NoToAll);
if(ans==QMessageBox::NoToAll){ overwrite = 0; } //don't overwrite
else if(ans==QMessageBox::YesToAll){ overwrite = 1; } //overwrite
else{ this->close(); return; } //cancel operations
}
}
//Get the complete number of items to be operated on (better tracking)
QStringList olist, nlist; //old/new list
for(int i=0; i<ofiles.length(); i++){
if(isRM){ //only old files
olist << subfiles(ofiles[i], false); //dirs need to be last for removals
}else if(isCP || isRESTORE){
if(QFile::exists(nfiles[i])){
if(!overwrite){
nfiles[i] = newFileName(nfiles[i]); //prompt for new file name up front before anything starts
}
}
QStringList subs = subfiles(ofiles[i], true); //dirs need to be first for additions
for(int s=0; s<subs.length(); s++){
olist << subs[s];
QString newsub = subs[s].section(ofiles[i],0,100, QString::SectionSkipEmpty);
newsub.prepend(nfiles[i]);
nlist << newsub;
}
}else{ //Move/rename
if( nfiles[i].startsWith(ofiles[i]+"/") ){
//This is trying to move a directory into itself (not possible)
// Example: move "~/mydir" -> "~/mydir/mydir2"
QMessageBox::warning(this, tr("Invalid Move"), QString(tr("It is not possible to move a directory into itself. Please make a copy of the directory instead.\n\nOld Location: %1\nNew Location: %2")).arg(ofiles[i], nfiles[i]) );
}else{
//no changes necessary
olist << ofiles[i];
nlist << nfiles[i];
}
}
}
//Now start iterating over the operations
QStringList errlist;
for(int i=0; i<olist.length() && !stopped; i++){
if(isRM){
ui->label->setText( QString(tr("Removing: %1")).arg(olist[i].section("/",-1)) );
errlist << removeItem(olist[i]);
}else if(isCP || isRESTORE){
ui->label->setText( QString(tr("Copying: %1 to %2")).arg(olist[i].section("/",-1), nlist[i].section("/",-1)) );
if(QFile::exists(nlist[i])){
if(overwrite){
errlist << removeItem(nlist[i], true); //recursively remove the file/dir since we are supposed to overwrite it
}
}
//If a parent directory fails to copy, skip all the children as well (they will also fail)
if( !errlist.contains(olist[i].section("/",0,-1)) ){
errlist << copyItem(olist[i], nlist[i]);
}
/*if(err.isEmpty() && !subs.isEmpty() ){ //make sure the initial parent dir did not error out
//For copies of directories, also need to copy over all the sub files/dirs
for(int s=0; s<subs.length(); s++){
//Replace the old parent directory path with the new parent directory path;
QString newsub = subs[s].section(ofiles[i],0,100, QString::SectionSkipEmpty);
newsub.prepend(nfiles[i]);
//qDebug() << "Copy Sub:" << subs[s] << newsub;
errlist << copyItem(subs[s], newsub);
}
}*/
}else if(isMV){
ui->label->setText( QString(tr("Moving: %1 to %2")).arg(ofiles[i].section("/",-1), nfiles[i].section("/",-1)) );
if( !QFile::rename(ofiles[i], nfiles[i]) ){
errlist << ofiles[i];
}
}
ui->progressBar->setValue(i+1);
QApplication::processEvents();
}
//All finished, so close the dialog if successful
errlist.removeAll(""); //make sure to clear any empty items
if(!errlist.isEmpty()){
QString msg;
if(isRM){ msg = tr("Could not remove these files:"); }
else if(isCP){ msg = tr("Could not copy these files:"); }
else if(isRESTORE){ msg = tr("Could not restore these files:"); }
else if(isMV){ msg = tr("Could not move these files:"); }
QMessageBox::warning(this, tr("File Errors"), msg+"\n\n"+errlist.join("\n"));
}
noerrors = errlist.isEmpty();
this->close();
}
void FODialog::on_push_stop_clicked(){
stopped = true;
}
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