Перенес формирование Item ов в отдельный поток

InstructorsAndTrainees/tasks/tasktreepreparation.cpp

@@ -0,0 +1,67 @@
+#include <QThread>
+#include <QDebug>
+#include "tasktreepreparation.h"
+
+TaskTreePreparation::TaskTreePreparation(QObject *parent) : QObject(parent)
+{
+    qDebug() << "TaskTreePreparation init thread ID " << QThread::currentThreadId();
+}
+
+QTreeWidgetItem *TaskTreePreparation::addModuleToTreeWidget(Module *module, QTreeWidgetItem *parentItem)
+{
+    QTreeWidgetItem* itemModule = nullptr;
+
+    QString text;
+    QString ID = QString::number(module->getID());
+
+    if(parentItem)
+    {
+        itemModule = new QTreeWidgetItem();
+        parentItem->addChild(itemModule);
+    }
+    else
+    {
+        //itemModule = new QTreeWidgetItem(treeWidget);
+        itemModule = new QTreeWidgetItem();
+    }
+
+    if(module->getType() == ModuleType::TYPE_PM)
+    {
+        PM* PMmodul = static_cast<PM*>(module);
+        text = PMmodul->getLangStructRus().title;
+
+        for(Module* module : PMmodul->getListChildModules())
+        {
+            addModuleToTreeWidget(module, itemModule);
+        }
+    }
+    else
+    {
+        DM* DMmodul = static_cast<DM*>(module);
+        text = DMmodul->getLangStructRus().techName;
+
+        //itemModule->setFlags(itemModule->flags() | Qt::ItemIsUserCheckable);
+        //itemModule->setCheckState(0, Qt::Checked);
+        itemModule->setIcon(0, QIcon(":/resources/icons/procedure.png"));
+    }
+
+    itemModule->setText(0, text);
+    itemModule->setText(1, ID);
+
+    return itemModule;
+}
+
+void TaskTreePreparation::slot_prepareListItems(QList<Module *> listAllModules)
+{
+    qDebug() << "TaskTreePreparation::slot_prepareListItems thread ID " << QThread::currentThreadId();
+
+    listItems.clear();
+
+    for(Module* module : listAllModules)
+    {
+        QTreeWidgetItem*  item = addModuleToTreeWidget(module);
+        listItems.append(item);
+    }
+
+    Q_EMIT signal_listItemsReady(listItems);
+}