QtHPConnect/cntfilesystemmodel.cpp
2020-02-08 10:42:51 +02:00

471 lines
13 KiB
C++

/*
* This file is part of the QtHPConnect distribution (https://github.com/Indy970/QtHPConnect.git).
* Copyright (c) 2020 Ian Gebbie.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 or later.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <global.h>
#include <cntfilesystemmodel.h>
#include <QMimeData>
#include <QStringListModel>
#include <hp_mditexteditor.h>
#include <QSettings>
#include <QTextCodec>
#include <utility>
#define FILE_NUM 9
//list of file types and associated icons
//Todo fix for all file types
const QString contentFileSystemModel::filetype_list[FILE_NUM][2]={{"hpprgm",":/icons/apps_16x16.png"},
{"CAS Vars",":/icons/casFolder_16x16.png"},
{"Complex",":/icons/complex_16x16.png"},
{"hplist",":/icons/list_16x16.png"},
{"Matrices",":/icons/table_16x16.png"},
{"Notes",":/icons/note_16x16.png"},
{"hpprgm",":/icons/program_16x16.png"},
{"Real",":/icons/real_16x16.png"},
{"Variables",":/icons/varFolder_16x16.png"}
};
//list of data object types used by contentFileSystemModel
const hp_DataType contentFileSystemModel::func_type[FILE_TYPE]={
HP_PROG,
HP_LIST,
HP_MATRIX,
HP_NOTE,
HP_MAIN};
/*
const std::array<std::pair<hp_DataType,QString>,FILE_TYPE> contentFileSystemModel::file_type{ {0,"hpprgm"},
{1,"hplist"},
{2,"hpmat"},
{3,"hpnote"},
{4,""}};
*/
//list of file type suffixes
const QString contentFileSystemModel::file_type[FILE_TYPE]{ "hpprgm",
"hplist",
"hpmat",
"hpnote",
""};
//condstrutor
contentFileSystemModel::contentFileSystemModel(QObject * parent)
:QFileSystemModel(parent)
{
}
//Get and pass on the data to be dragged
QMimeData* contentFileSystemModel::mimeData(const QModelIndexList &indexes) const
{
QMimeData *mimeDataPtr = new QMimeData();
QByteArray mydata;
QModelIndex index;
hp_DataStruct filedata;
qDebug()<<"contentFileSystemModel::mimeData";
index=indexes.first();
// qDebug()<<index.data(Qt::DisplayRole);
// QString data;
QFileInfo info = contentFileSystemModel::fileInfo(index);
QFile file(info.absoluteFilePath());
qDebug()<<info.absoluteFilePath();
if (file.open(QIODevice::ReadOnly)) {
QDataStream in(&file);
filedata=getFileType(info);
in.setByteOrder(QDataStream::LittleEndian);
qint8 c;
//read in file
in.startTransaction();
while(!in.atEnd()) {
in>>c;
mydata.append(c);
}
mimeDataPtr->setText(info.baseName());
switch (filedata.type) {
case HP_PROG:
case HP_APP:
case HP_MATRIX:
case HP_NOTE:
case HP_LIST:
case HP_VAR: {
mimeDataPtr->setData(mimetypes[filedata.type][1],mydata);
break;
}
case HP_CAS:
case HP_MAIN:
case HP_COMPLEX:
case HP_SCREEN:
case HP_REAL: {
// no action
}
}
}
file.close();
return mimeDataPtr;
}
//Set drop actions supported
Qt::DropActions contentFileSystemModel::supportedDropActions() const
{
return Qt::CopyAction | Qt::MoveAction| Qt::TargetMoveAction;
}
//Not sure that this is neccesary. Item should control this
Qt::ItemFlags contentFileSystemModel::flags(const QModelIndex &index) const
{
Qt::ItemFlags defaultFlags = QFileSystemModel::flags(index);
if (index.isValid())
return Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled | defaultFlags;
else
return Qt::ItemIsDropEnabled | defaultFlags;
}
//Allow drop in location
bool contentFileSystemModel::canDropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) const
{
return true;
}
//Process the drop action
bool contentFileSystemModel::dropMimeData(const QMimeData* md_data, Qt::DropAction action, int row,
int column, const QModelIndex &parent)
{
qDebug()<<"contentFileSystemModel::DropMineData";
QSettings appSettings("IRGP","QtHPconnect");
QString path=appSettings.value("contentPath").toString();
QDir dir;
dir= rootDirectory();
if (!dir.exists()) {
qWarning()<<tr("Content Path Does not exist: ")<<path;
if(!dir.mkpath("."))
{
qWarning()<<tr("Path could not be created: ")<<path;
return false;
}
}
if (action == Qt::IgnoreAction) {
return true;
}
QByteArray data_in;
QByteArray typeary;
QString name = md_data->text();
typeary=md_data->data("application/x-type");
int type_i=typeary[0];
hp_DataType type=static_cast<hp_DataType>(type_i);
QString type_str=getFileType(type);
name=name+"_2"+"."+type_str;
data_in=md_data->data("application/x-qabstractmodeldatalist");
QFileInfo fileinfo(path,name);
qDebug()<<data_in;
qDebug()<<fileinfo;
// QDataStream stream(&encodedData, QIODevice::ReadOnly);
if (writeFile(fileinfo,data_in)>-1)
{
return true;
}
else
return true;
}
//override to return a file object
QVariant contentFileSystemModel::data( const QModelIndex &index, int role ) const {
if( role == Qt::DecorationRole )
{
QString name = index.data().toString();
QFileInfo info = contentFileSystemModel::fileInfo(index);
//QFileInfo info(name);
if((info.isFile()&&(name==info.fileName())))
{
int i;
for (i=0;i<FILE_NUM;i++) {
if(info.suffix() == filetype_list[i][0])
return QPixmap(filetype_list[i][1]);//I pick the icon depending on the extension
}
return QPixmap(":/icons/file_16x16.png");
}
}
return QFileSystemModel::data(index, role);
}
//action if file is left clicked
void contentFileSystemModel::clickAction(QMdiArea * mdiwin, QModelIndex &index) {
openFile(mdiwin,index);
return;
}
//open a file in the mdi window
bool contentFileSystemModel::openFile(QMdiArea * mdiwin, QModelIndex &index) {
QFileInfo info = contentFileSystemModel::fileInfo(index);
return openFile(mdiwin,info);
}
//open a file in the mdi window
bool contentFileSystemModel::openFile(QMdiArea * mdiwin,QFileInfo info) {
hp_mdiTextEdit * hptextedit = nullptr;
AbstractData * data=nullptr;
data = readFile(info);
if (data!=nullptr) {
if (hptextedit==nullptr)
hptextedit = new hp_mdiTextEdit(mdiwin,info, data);
if (hptextedit!=nullptr) {
hptextedit ->show();
return true;
}
}
else {
qWarning()<<"Read file return null data";
}
return false;
qDebug()<<"ClickAction "<<info.absoluteFilePath();
}
//delete a file
void contentFileSystemModel::deleteFile(QModelIndex &index) {
QFileInfo fileinfo = contentFileSystemModel::fileInfo(index);
qDebug()<<"deleteFile "<<fileinfo.absoluteFilePath();
QFile file(fileinfo.absoluteFilePath());
file.remove();
}
//rename a file
void contentFileSystemModel::renameFile(QModelIndex &index, QString newName) {
QFileInfo fileinfo = contentFileSystemModel::fileInfo(index);
QFile file(fileinfo.absoluteFilePath());
QDir dir=fileinfo.absoluteDir();
QString newPath;
newPath=dir.absolutePath()+"/"+newName;
if (file.rename(newPath)) {
qDebug()<<"File rename succesfull";
}
else {
qDebug()<<"File rename failed";
}
return;
}
//read a file and return the resulting data object
AbstractData * contentFileSystemModel::readFile(QFileInfo fileinfo) const {
AbstractData * data=nullptr;
hp_DataStruct filedata;
QFile file(fileinfo.absoluteFilePath());
if (file.open(QIODevice::ReadOnly),QFileDevice::AutoCloseHandle) {
QDataStream in(&file);
in.setByteOrder(QDataStream::LittleEndian);
filedata=getFileType(fileinfo);
switch (filedata.type) {
case HP_PROG: {
qDebug()<<"HP_PROG";
data = new Program(filedata.filename, HP_PROG, QStringLiteral(""));
data->parseData(in);
}
break;
default: ;
}
file.close();
}
return data;
}
//write a file to the directory store
int contentFileSystemModel::writeFile(QFileInfo fileinfo, QByteArray data_in) const {
QFile file(fileinfo.absoluteFilePath());
if (file.open(QIODevice::ReadWrite)) {
QTextStream out(&file);
QTextCodec *codec = QTextCodec::codecForName("UTF-16");
out.setCodec(codec);
// out.setByteOrder(QDataStream::LittleEndian);
// quint8 c;
// for (int i =0 ;i< data_in.length();i++)
// {
// c= data_in[i];
// out<<(quint8)c;
// }
// out.writeRawData(data_in,data_in.length());
qDebug()<<"Wriiting";
qDebug()<<data_in;
out<<data_in;
file.close();
return 0;
}
return -1;
}
//create a new folder in the contents location
bool contentFileSystemModel::createNewFolder(QString foldername) {
QSettings appSettings("IRGP","QtHPconnect");
QString path=appSettings.value("contentPath").toString();
path=path+foldername;
QDir dir(path);
if (!dir.exists()) {
if(!dir.mkpath("."))
{
return false;
}
}
qDebug()<<"Create new folder pressed"<<path;
return true;
}
//create a new program file
bool contentFileSystemModel::createNewProgram(QMdiArea * mdiwin, QString filename) {
QSettings appSettings("IRGP","QtHPconnect");
QString path=appSettings.value("contentPath").toString();
QDir dir(path);
QFileInfo fileinfo(dir,filename+"."+getFileType(HP_PROG));
/*
QFile file(fileinfo.absoluteFilePath());
if (file.open(QIODevice::WriteOnly)) {
QTextStream out(&file);
out << "" << endl;
} else {
qWarning()<<tr("Could not open file");
}
file.close();
*/
qDebug()<<"Create new program pressed";
return openFile(mdiwin,fileinfo);
}
//create a new note file
bool contentFileSystemModel::createNewNote(QMdiArea * mdiwin,QString foldername) {
QSettings appSettings("IRGP","QtHPconnect");
QString path=appSettings.value("contentPath").toString();
qDebug()<<"Create new note pressed";
return false;
}
//return the file type
hp_DataStruct contentFileSystemModel::getFileType(QFileInfo info) const {
hp_DataStruct filedata;
int i;
QString suffix;
hp_DataType type=HP_MAIN;
suffix=info.completeSuffix();
for (i=0;i<FILE_TYPE;i++) {
if (suffix==file_type[i])
break;
}
type=func_type[i];
if (type!=HP_MAIN) {
filedata.filename=info.completeBaseName();
filedata.type=type;
}
return filedata;
}
//return the file type suffix
QString contentFileSystemModel::getFileType(hp_DataType type) const {
int i;
QString suffix=QStringLiteral("");
switch (type) {
case HP_PROG: {
i=0;
break;
}
case HP_LIST: {
i=1;
break;
}
case HP_MATRIX: {
i=2;
break;
}
case HP_NOTE: {
i=3;
break;
}
default: {
i=-1;
}
}
if (i>-1) {
suffix=file_type[i];
}
return suffix;
}
//destructor
contentFileSystemModel::~contentFileSystemModel() {
qDebug()<<"contentFileSystemModel::delete";
}