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#include "formmanager.h"
#include "services/pluginmanager.h"
#include "uiloader.h"
#include "common/unused.h"
#include "common/global.h"
#include <QFile>
#include <QDir>
#include <QRegularExpression>
#include <QApplication>
#include <QDebug>
FormManager::FormManager()
{
init();
}
FormManager::~FormManager()
{
if (uiLoader)
{
delete uiLoader;
uiLoader = nullptr;
}
}
QWidget* FormManager::createWidget(const QString& name)
{
if (!widgetNameToFullPath.contains(name))
{
qCritical() << "Asked for widget name which isn't managed by FormManager:" << name << ", while available widgets are:"
<< widgetNameToFullPath.keys();
return nullptr;
}
return createWidgetByFullPath(widgetNameToFullPath[name]);
}
bool FormManager::hasWidget(const QString& name)
{
return widgetNameToFullPath.contains(name);
}
QStringList FormManager::getAvailableForms() const
{
return widgetNameToFullPath.keys();
}
QStringList FormManager::getFormDirs() const
{
return formDirs;
}
QWidget* FormManager::createWidgetByFullPath(const QString& path)
{
QWidget* widget = uiLoader->load(path);
if (!widget)
{
qCritical() << "Error occured while loading ui file:" << path << ". Error message: "
<< uiLoader->errorString();
return nullptr;
}
return widget;
}
void FormManager::rescanResources(Plugin* plugin, PluginType* pluginType)
{
UNUSED(pluginType);
rescanResources(plugin->getName());
}
void FormManager::rescanResources(const QString& pluginName)
{
if (PLUGINS->isBuiltIn(pluginName))
return;
for (const QString& widgetName : resourceForms)
widgetNameToFullPath.remove(widgetName);
resourceForms.clear();
loadRecurently(":/forms", "");
}
void FormManager::pluginsAboutToMassUnload()
{
disconnect(PLUGINS, SIGNAL(loaded(Plugin*,PluginType*)), this, SLOT(rescanResources(Plugin*,PluginType*)));
disconnect(PLUGINS, SIGNAL(unloaded(QString,PluginType*)), this, SLOT(rescanResources(QString)));
}
void FormManager::pluginsInitiallyLoaded()
{
load();
connect(PLUGINS, SIGNAL(loaded(Plugin*,PluginType*)), this, SLOT(rescanResources(Plugin*,PluginType*)));
connect(PLUGINS, SIGNAL(unloaded(QString,PluginType*)), this, SLOT(rescanResources(QString)));
connect(PLUGINS, SIGNAL(aboutToQuit()), this, SLOT(pluginsAboutToMassUnload()));
disconnect(PLUGINS, SIGNAL(pluginsInitiallyLoaded()), this, SLOT(pluginsInitiallyLoaded()));
}
void FormManager::init()
{
uiLoader = new UiLoader();
if (PLUGINS->arePluginsInitiallyLoaded())
pluginsInitiallyLoaded();
else
connect(PLUGINS, SIGNAL(pluginsInitiallyLoaded()), this, SLOT(pluginsInitiallyLoaded()));
}
void FormManager::load()
{
formDirs += qApp->applicationDirPath() + "/forms";
formDirs += ":/forms";
formDirs += QDir(CFG->getConfigDir()).absoluteFilePath("forms");
QString envDirs = SQLITESTUDIO->getEnv("SQLITESTUDIO_FORMS");
if (!envDirs.isNull())
formDirs += envDirs.split(PATH_LIST_SEPARATOR);
formDirs += PLUGINS->getPluginDirs();
#ifdef FORMS_DIR
formDirs += STRINGIFY(FORMS_DIR);
#endif
for (QString dirPath : formDirs)
loadRecurently(dirPath, "");
}
void FormManager::loadRecurently(const QString& path, const QString& prefix)
{
static const QStringList fileExtensions = {"*.ui", "*.UI"};
QDir dir(path);
QString fullPath;
QString widgetName;
for (const QFileInfo& entry : dir.entryInfoList(fileExtensions, QDir::AllDirs|QDir::Files|QDir::NoDotAndDotDot|QDir::Readable))
{
fullPath = entry.absoluteFilePath();
if (entry.isDir())
{
loadRecurently(fullPath, prefix+entry.fileName()+"_");
continue;
}
qDebug().noquote() << "Loading form file:" << toNativePath(fullPath);
widgetName = getWidgetName(fullPath);
if (widgetName.isNull())
continue;
if (widgetNameToFullPath.contains(widgetName))
{
qCritical() << "Widget named" << widgetName << "was already loaded by FormManager from file" << widgetNameToFullPath[widgetName]
<< "therefore file" << fullPath << "will be ignored";
continue;
}
widgetNameToFullPath[widgetName] = fullPath;
if (fullPath.startsWith(":/"))
resourceForms << widgetName;
}
}
QString FormManager::getWidgetName(const QString& path)
{
static const QRegularExpression re(R"(<widget class\=\"\w+\" name\=\"(\w+)\">)");
QFile file(path);
if (!file.open(QIODevice::ReadOnly))
{
qWarning() << "Could not open" << path << "for reading. Form file ignored.";
return QString();
}
QString contents = file.readAll();
file.close();
QRegularExpressionMatch match = re.match(contents);
if (!match.hasMatch())
{
qWarning() << "Could not match widget in" << path << " document. File ignored.";
return QString();
}
QString widgetName = match.captured(1);
return widgetName;
}
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