#include "applicationlist.h"

#include "application.h"

#include "common.h"

#include <QFileInfo>

#include <QSettings>

#include <QStringList>

#include <QVariant>

ApplicationList::ApplicationList(QObject *parent) :

QObject(parent)

{

//ctor

}

ApplicationList::~ApplicationList()

{

clear();

}

bool ApplicationList::loadSettings()

{

QSettings settings;

QStringList names = settings.value(SETTINGS_APPLICATION_NAMES, QStringList()).toStringList();

QStringList paths = settings.value(SETTINGS_APPLICATION_PATHS, QStringList()).toStringList();

QStringList params = settings.value(SETTINGS_APPLICATION_PARAMS, QStringList()).toStringList();

int defapp = settings.value(SETTINGS_APPLICATION_DEFAULT, -1).toInt();

// Params will be empty first time starting with the new setting.

// Return false and inform user about problem with application settings.

bool succeeded = true;

if (!names.empty() && !paths.empty() && params.empty()) {

for (int i = 0; i < paths.length(); i++)

params << QString();

succeeded = false;

}

if (names.empty() && paths.empty() && params.empty()) {

#ifndef _WIN32

// use as default for gnome environments

if (QFileInfo("/usr/bin/gedit").isExecutable()) {

Application app;

app.setName("gedit");

app.setPath("/usr/bin/gedit");

app.setParameters("+(line) (file)");

addApplication(app);

defapp = 0;

}

checkAndAddApplication("/usr/bin/geany","geany","+(line) (file)");

checkAndAddApplication("/usr/bin/qtcreator","Qt Creator","-client (file):(line)");

// use as default for kde environments

if (QFileInfo("/usr/bin/kate").isExecutable()) {

Application app;

app.setName("kate");

app.setPath("/usr/bin/kate");

app.setParameters("-l(line) (file)");

addApplication(app);

defapp = 0;

}

#else

if (findDefaultWindowsEditor()) {

defapp = 0;

}

#endif

} else if (names.size() == paths.size()) {

for (int i = 0; i < names.size(); i++) {

const Application app(names[i], paths[i], params[i]);

addApplication(app);

}

}

if (defapp == -1)

mDefaultApplicationIndex = 0;

else if (defapp < names.size())

mDefaultApplicationIndex = defapp;

else

mDefaultApplicationIndex = 0;

return succeeded;

}

void ApplicationList::saveSettings() const

{

QSettings settings;

QStringList names;

QStringList paths;

QStringList params;

for (int i = 0; i < getApplicationCount(); i++) {

const Application& app = getApplication(i);

names << app.getName();

paths << app.getPath();

params << app.getParameters();

}

settings.setValue(SETTINGS_APPLICATION_NAMES, names);

settings.setValue(SETTINGS_APPLICATION_PATHS, paths);

settings.setValue(SETTINGS_APPLICATION_PARAMS, params);

settings.setValue(SETTINGS_APPLICATION_DEFAULT, mDefaultApplicationIndex);

}

int ApplicationList::getApplicationCount() const

{

return mApplications.size();

}

Application& ApplicationList::getApplication(const int index)

{

if (index >= 0 && index < mApplications.size()) {

return mApplications[index];

}

static Application dummy; // TODO: Throw exception instead?

return dummy;

}

const Application& ApplicationList::getApplication(const int index) const

{

if (index >= 0 && index < mApplications.size()) {

return mApplications[index];

}

static const Application dummy; // TODO: Throw exception instead?

return dummy;

}

void ApplicationList::addApplication(const Application &app)

{

if (app.getName().isEmpty() || app.getPath().isEmpty()) {

return;

}

mApplications << app;

}

void ApplicationList::removeApplication(const int index)

{

mApplications.removeAt(index);

}

void ApplicationList::setDefault(const int index)

{

if (index < mApplications.size() && index >= 0) {

mDefaultApplicationIndex = index;

}

}

void ApplicationList::copy(const ApplicationList *list)

{

if (!list) {

return;

}

clear();

for (int i = 0; i < list->getApplicationCount(); i++) {

const Application& app = list->getApplication(i);

addApplication(app);

}

mDefaultApplicationIndex = list->getDefaultApplication();

}

void ApplicationList::clear()

{

mApplications.clear();

mDefaultApplicationIndex = -1;

}

bool ApplicationList::checkAndAddApplication(const QString& appPath, const QString& name, const QString& parameters)

{

if (QFileInfo::exists(appPath) && QFileInfo(appPath).isExecutable()) {

Application app;

app.setName(name);

app.setPath("\"" + appPath + "\"");

app.setParameters(parameters);

addApplication(app);

return true;

}

return false;

}

#ifdef _WIN32

bool ApplicationList::findDefaultWindowsEditor()

{

bool foundOne = false;

#ifdef WIN64 // As long as we do support 32-bit XP, we cannot be sure that the environment variable "ProgramFiles(x86)" exists

const QString appPathx86(getenv("ProgramFiles(x86)"));

#else

const QString appPathx86(getenv("ProgramFiles"));

#endif

const QString appPathx64(getenv("ProgramW6432"));

const QString windowsPath(getenv("windir"));

if (checkAndAddApplication(appPathx86 + "\\Notepad++\\notepad++.exe", "Notepad++", "-n(line) (file)"))

foundOne = true;

else if (checkAndAddApplication(appPathx64 + "\\Notepad++\\notepad++.exe", "Notepad++", "-n(line) (file)"))

foundOne = true;

if (checkAndAddApplication(appPathx86 + "\\Notepad2\\Notepad2.exe", "Notepad2", "/g (line) (file)"))

foundOne = true;

else if (checkAndAddApplication(appPathx64 + "\\Notepad2\\Notepad2.exe", "Notepad2", "/g (line) (file)"))

foundOne = true;

if (checkAndAddApplication(windowsPath + "\\system32\\notepad.exe", "Notepad", "(file)"))

foundOne = true;

QString regPath = "HKEY_CLASSES_ROOT\\Applications\\QtProject.QtCreator.pro\\shell\\Open\\command";

QSettings registry(regPath, QSettings::NativeFormat);

QString qtCreatorRegistry = registry.value("Default", QString()).toString();

QString qtCreatorPath = qtCreatorRegistry.left(qtCreatorRegistry.indexOf(".exe") + 4);

if (!qtCreatorRegistry.isEmpty() && checkAndAddApplication(qtCreatorPath, "Qt Creator", "-client (file):(line)")) {

foundOne = true;

}

const QString regPathUEdit32 = "HKEY_CLASSES_ROOT\\Applications\\Uedit32.exe\\shell\\open\\Command";

const QSettings registryUEdit32(regPathUEdit32, QSettings::NativeFormat);

const QString uedit32Registry = registryUEdit32.value("Default", QString()).toString();

if (!uedit32Registry.isEmpty()) {

// Extract path to executable and make sure there is no single quotation mark at the beginning

const QString uedit32Path = uedit32Registry.left(uedit32Registry.indexOf(".exe") + 4).replace("\"", "");

if (checkAndAddApplication(uedit32Path, "UltraEdit 32", "(file)/(line)")) {

foundOne = true;

}

}

const QString regPathUEdit64 = "HKEY_CLASSES_ROOT\\Applications\\uedit64.exe\\shell\\open\\Command";

const QSettings registryUEdit64(regPathUEdit64, QSettings::NativeFormat);

const QString uedit64Registry = registryUEdit64.value("Default", QString()).toString();

if (!uedit64Registry.isEmpty()) {

// Extract path to executable and make sure there is no single quotation mark at the beginning

const QString uedit64Path = uedit64Registry.left(uedit64Registry.indexOf(".exe") + 4).replace("\"", "");

if (checkAndAddApplication(uedit64Path, "UltraEdit 64", "(file)/(line)")) {

foundOne = true;

}

}

const QString regPathMSVSCode = "HKEY_CLASSES_ROOT\\Applications\\Code.exe\\shell\\open\\command";

const QSettings registryMSVSCode(regPathMSVSCode, QSettings::NativeFormat);

const QString msvscodeRegistry = registryMSVSCode.value("Default", QString()).toString();

if (!msvscodeRegistry.isEmpty()) {

const QString msvscodePath = msvscodeRegistry.left(msvscodeRegistry.indexOf(".exe") + 4).replace("\"", "");

if (checkAndAddApplication(msvscodePath, "Microsoft VS Code", "-g (file):(line)")) {

foundOne = true;

}

}

return foundOne;

}

#endif