cxTSFPresets.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
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#include "cxTSFPresets.h"

#include <iostream>
#include <QDir>
#include <QTextStream>
#include "cxLogger.h"
#include "cxDataLocations.h"
#include "tsf-config.h"

namespace cx
{

TSFPresets::TSFPresets() :
        Presets(XmlOptionFile("TSFPresets"), XmlOptionFile("Custom"))
{
        mPresetPath = cx::DataLocations::findConfigFolder("/tsf", QString(KERNELS_DIR)) + "/parameters";
        this->loadPresetsFromFiles();
}

TSFPresets::~TSFPresets()
{}

QDomElement TSFPresets::createPresetElement(QString name, std::map<QString, QString>& parameters)
{
        QStringList ignoreParametersWithName;
        ignoreParametersWithName << "centerline-vtk-file";
        ignoreParametersWithName << "storage-dir";

        QDomDocument doc;
        QDomElement retval = doc.createElement("Preset");
        retval.setAttribute("name", name);
        std::map<QString, QString>::iterator it;
        for (it = parameters.begin(); it != parameters.end(); ++it)
        {
                if (!ignoreParametersWithName.contains(it->first))
                        retval.setAttribute(it->first, it->second);
        }
        return retval;
}

void TSFPresets::save()
{
        QDomDocument doc = this->getCustomFile().getDocument();
        QDomNodeList presetNodes = doc.elementsByTagName("Preset");
        for (int i = 0; i < presetNodes.count(); ++i)
        {
                QDomNode node = presetNodes.at(i);
                if (!node.isElement())
                        break;
                QDomElement element = node.toElement();

                QString folderPath;
                folderPath = mPresetPath + "/centerline-gpu/";
                std::map<QString, QString> parameters;
                QDomNamedNodeMap attributes = element.attributes();
                for (int j = 0; j < attributes.count(); ++j)
                {
                        QDomNode attribute = attributes.item(j);
                        if (attribute.isNull())
                                        continue;
                        if (attribute.nodeName() != "name")
                                parameters[attribute.nodeName()] = attribute.nodeValue();
                }
                if (mLastCustomPresetAdded == element.attribute("name")) //Save only current preset
                        this->saveFile(folderPath, parameters);
        }
}

void TSFPresets::remove()
{
        QString folderPath = mPresetPath + "/centerline-gpu/" + mLastCustomPresetRemoved;
        this->deleteFile(folderPath);
}

QStringList TSFPresets::generatePresetList(QString tag)
{
        this->getPresetsNameAndPath();
        QStringList retval;
        std::map<QString, QString>::iterator it;
        for (it = mPresetsMap.begin(); it != mPresetsMap.end(); ++it)
        {
                retval << it->first;
        }
        return retval;
}

void TSFPresets::loadPresetsFromFiles()
{
        this->getPresetsNameAndPath();
        this->convertToInternalFormat(mPresetsMap);
}

void TSFPresets::convertToInternalFormat(std::map<QString,QString>& presets)
{
        std::map<QString,QString>::iterator it;
        for (it = presets.begin();it != presets.end();++it)
                this->addAsCustomPreset(it);

}

std::map<QString, QString> TSFPresets::readFile(QString& filePath)
{
        std::map<QString, QString> retval;
        if (!QFile::exists(filePath))
        {
                reportError("File does not exists: " + filePath);
                return retval;
        }
        QFile file(filePath);
        if (file.open(QFile::ReadOnly))
        {
                QTextStream in(&file);
                while (!in.atEnd())
                {
                        QString line = in.readLine();
                        QStringList lineItems = line.split(" ");
                        if (lineItems.count() == 2)
                                retval[lineItems.at(0)] = lineItems.at(1);
                }
        }

        return retval;
}

void TSFPresets::saveFile(QString folderpath, std::map<QString, QString> parameters)
{
        QFile file(folderpath + mLastCustomPresetAdded);
        QString customPresetName = QFileInfo(file).fileName();
        QTextStream outPresetFile;
        if (!file.open(QFile::WriteOnly))
        {
                reportError("Could not open the file " + file.fileName() + " for writing.");
                return;
        }
        outPresetFile.setDevice(&file);
        std::map<QString, QString>::iterator it;
        for (it = parameters.begin(); it != parameters.end(); ++it)
        {
                QString line = it->first + " " + it->second;
                outPresetFile << line << "\n";
        }
        outPresetFile << flush;
        file.close();
}

void TSFPresets::deleteFile(QString filePath)
{
        QFile file(filePath);
        QString customPresetName = QFileInfo(file).fileName();
        if (!file.remove())
                reportError("File: " + filePath + " not removed...");
}

void TSFPresets::getPresetsNameAndPath()
{
        mPresetsMap.clear();
        QDir parametersDir(mPresetPath + "/centerline-gpu");
        if (!parametersDir.exists())
                reportError("Preset directory "+parametersDir.path()+" not found.");

        QFileInfoList fileInfoList = parametersDir.entryInfoList(QDir::Files);
        foreach(QFileInfo info, fileInfoList){
                QString name = info.baseName();
                mPresetsMap[name] = info.absoluteFilePath();
        }
}

void TSFPresets::addAsCustomPreset(std::map<QString,QString>::iterator it)
{
        std::map<QString,QString> params = this->readFile(it->second);
        QDomElement preset = TSFPresets::createPresetElement(it->first, params);
        Presets::addCustomPreset(preset);
}

} /* namespace cx */