From c53b826d907ad56cb7ce85dfc713536533f88ce6 Mon Sep 17 00:00:00 2001
From: Herwig Birke <VET0572@uniqa.at>
Date: Wed, 3 Oct 2018 18:15:35 +0200
Subject: [PATCH] implementation of reordering (outline)

---
 cmainwindow.cpp | 84 +++++++++++++++++++++++++++++++++++++++++++++++++
 cmainwindow.h   |  7 +++++
 cmainwindow.ui  | 20 ++++++++++--
 cstorybook.cpp  |  1 +
 ctreeview.cpp   | 45 ++++++++++++++++++++++++++
 ctreeview.h     | 14 +++++++++
 6 files changed, 169 insertions(+), 2 deletions(-)

diff --git a/cmainwindow.cpp b/cmainwindow.cpp
index 048d67f..b35a4ff 100644
--- a/cmainwindow.cpp
+++ b/cmainwindow.cpp
@@ -46,6 +46,42 @@
 #include <QMenu>
 
 
+QDataStream&	operator<<(QDataStream& out, cPart* const &rhs)
+{
+	out.writeRawData(reinterpret_cast<const char*>(&rhs), sizeof(rhs));
+	return out;
+}
+
+QDataStream&	operator>>(QDataStream& in, cPart* &rhs)
+{
+	in.readRawData(reinterpret_cast<char*>(&rhs), sizeof(rhs));
+	return in;
+}
+
+QDataStream&	operator<<(QDataStream& out, cChapter* const &rhs)
+{
+	out.writeRawData(reinterpret_cast<const char*>(&rhs), sizeof(rhs));
+	return out;
+}
+
+QDataStream&	operator>>(QDataStream& in, cChapter* &rhs)
+{
+	in.readRawData(reinterpret_cast<char*>(&rhs), sizeof(rhs));
+	return in;
+}
+
+QDataStream&	operator<<(QDataStream& out, cScene* const &rhs)
+{
+	out.writeRawData(reinterpret_cast<const char*>(&rhs), sizeof(rhs));
+	return out;
+}
+
+QDataStream&	operator>>(QDataStream& in, cScene* &rhs)
+{
+	in.readRawData(reinterpret_cast<char*>(&rhs), sizeof(rhs));
+	return in;
+}
+
 cMainWindow::cMainWindow(cSplashScreen *lpSplashScreen, QTranslator *lpTranslator, QWidget *parent) :
 	QMainWindow(parent),
 	ui(new Ui::cMainWindow),
@@ -72,6 +108,10 @@ cMainWindow::cMainWindow(cSplashScreen *lpSplashScreen, QTranslator *lpTranslato
 	m_lpOldTextEdit(0),
 	m_lpOptionsDialog(0)
 {
+	qRegisterMetaTypeStreamOperators<cPart*>("cPart*");
+	qRegisterMetaTypeStreamOperators<cChapter*>("cChapter*");
+	qRegisterMetaTypeStreamOperators<cScene*>("cScene*");
+
 	initUI();
 	createActions();
 	onLanguageChanged();
@@ -229,6 +269,8 @@ void cMainWindow::createActions()
 	connect(ui->m_lpPlaceList,		&QTreeView::customContextMenuRequested,	this,	&cMainWindow::onPlaceContextMenu);
 	connect(ui->m_lpObjectList,		&QTreeView::customContextMenuRequested,	this,	&cMainWindow::onObjectContextMenu);
 	connect(ui->m_lpRechercheList,	&QTreeView::customContextMenuRequested,	this,	&cMainWindow::onRechercheContextMenu);
+
+	connect(ui->m_lpOutlineList,	&cTreeView::dropped,					this,	&cMainWindow::onOutlineDropped);
 }
 
 void cMainWindow::createFileActions()
@@ -953,6 +995,48 @@ void cMainWindow::onFontComboBoxLostFocus(cFontComboBox* /*lpComboBox*/)
 {
 }
 
+void cMainWindow::onOutlineDropped(cTreeView* /*lpTreeView*/, QModelIndex from, QModelIndex /*to*/)
+{
+	qint32	parts	= m_lpOutlineModel->rowCount(QModelIndex());
+
+	for(qint32 part = 0;part < parts;part++)
+	{
+		QModelIndex		partIndex	= m_lpOutlineModel->index(part, 0, QModelIndex());
+		cPart*			lpPart		= qvariant_cast<cPart*>(m_lpOutlineModel->itemFromIndex(partIndex)->data());
+		qint32			chapters	= m_lpOutlineModel->rowCount(partIndex);
+
+		if(partIndex != from)
+			lpPart->setSortOrder(part);
+
+		for(qint32 chapter = 0;chapter < chapters;chapter++)
+		{
+			QModelIndex		chapterIndex	= m_lpOutlineModel->index(chapter, 0, partIndex);
+			cChapter*		lpChapter		= qvariant_cast<cChapter*>(m_lpOutlineModel->itemFromIndex(chapterIndex)->data());
+			qint32			scenes			= m_lpOutlineModel->rowCount(chapterIndex);
+
+			if(chapterIndex != from)
+			{
+				lpChapter->setPart(lpPart);
+				lpChapter->setSortOrder(chapter);
+			}
+
+			lpChapter = lpChapter;
+			for(qint32 scene = 0;scene < scenes;scene++)
+			{
+				QModelIndex	sceneIndex		= m_lpOutlineModel->index(scene, 0, chapterIndex);
+				cScene*		lpScene			= qvariant_cast<cScene*>(m_lpOutlineModel->itemFromIndex(sceneIndex)->data());
+
+				if(sceneIndex != from)
+				{
+					lpScene->setChapter(lpChapter);
+					lpScene->setSortOrder(scene);
+				}
+			}
+		}
+	}
+	somethingChanged();
+}
+
 void cMainWindow::onMainTabCurrentChanged(int /*index*/)
 {
 	if(m_bUpdatingTab)
diff --git a/cmainwindow.h b/cmainwindow.h
index ad12792..7fc8d64 100644
--- a/cmainwindow.h
+++ b/cmainwindow.h
@@ -258,6 +258,13 @@ public slots:
 	 \param lpComboBox
 	*/
 	void				onFontComboBoxLostFocus(cFontComboBox* lpComboBox);
+	/*!
+	 \brief
+
+	 \fn onOutlineDropped
+	 \param lpTreeView
+	*/
+	void				onOutlineDropped(cTreeView* lpTreeView, QModelIndex from, QModelIndex to);
 private slots:
 	/*!
 	 \brief
diff --git a/cmainwindow.ui b/cmainwindow.ui
index d337097..1de465d 100644
--- a/cmainwindow.ui
+++ b/cmainwindow.ui
@@ -28,7 +28,7 @@
         <enum>QFrame::Sunken</enum>
        </property>
        <property name="currentIndex">
-        <number>4</number>
+        <number>0</number>
        </property>
        <widget class="QWidget" name="m_lpMainToolBoxOutline">
         <property name="geometry">
@@ -44,13 +44,22 @@
         </attribute>
         <layout class="QGridLayout" name="gridLayout_3">
          <item row="0" column="0">
-          <widget class="QTreeView" name="m_lpOutlineList">
+          <widget class="cTreeView" name="m_lpOutlineList">
            <property name="contextMenuPolicy">
             <enum>Qt::CustomContextMenu</enum>
            </property>
            <property name="editTriggers">
             <set>QAbstractItemView::NoEditTriggers</set>
            </property>
+           <property name="dragEnabled">
+            <bool>true</bool>
+           </property>
+           <property name="dragDropMode">
+            <enum>QAbstractItemView::InternalMove</enum>
+           </property>
+           <property name="defaultDropAction">
+            <enum>Qt::MoveAction</enum>
+           </property>
            <property name="alternatingRowColors">
             <bool>true</bool>
            </property>
@@ -311,6 +320,13 @@
   </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
+ <customwidgets>
+  <customwidget>
+   <class>cTreeView</class>
+   <extends>QTreeView</extends>
+   <header>ctreeview.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>
diff --git a/cstorybook.cpp b/cstorybook.cpp
index ff34581..1ff7d2c 100644
--- a/cstorybook.cpp
+++ b/cstorybook.cpp
@@ -788,6 +788,7 @@ bool cStoryBook::updateDatabase01()
 {
 	QSqlQuery	query;
 
+	query.exec("DROP TABLE config_old;");
 	if(!query.exec("ALTER TABLE config RENAME TO config_old;"))
 	{
 		myDebug << query.lastError().text();
diff --git a/ctreeview.cpp b/ctreeview.cpp
index 7af43c9..4ceca69 100644
--- a/ctreeview.cpp
+++ b/ctreeview.cpp
@@ -5,6 +5,14 @@
 
 #include "ctreeview.h"
 
+#include "cpart.h"
+#include "cchapter.h"
+#include "cscene.h"
+
+#include <QDropEvent>
+#include <QStandardItemModel>
+
+
 cTreeView::cTreeView(QWidget* parent) :
 	QTreeView(parent)
 {
@@ -21,3 +29,40 @@ void cTreeView::focusOutEvent(QFocusEvent* event)
 	lostFocus(this);
 	QTreeView::focusOutEvent(event);
 }
+
+qint16 level(QModelIndex index)
+{
+	QModelIndex	tmp		= index;
+	qint16		level	= 0;
+
+	while(tmp.parent().isValid())
+	{
+		level++;
+		tmp	= tmp.parent();
+	}
+	return(level);
+}
+
+void cTreeView::dropEvent(QDropEvent* event)
+{
+	QModelIndex	fromIndex		= selectedIndexes()[0];
+	QModelIndex	droppedIndex	= indexAt(event->pos());
+
+	qint16		fromLevel		= level(fromIndex);
+	qint16		droppedLevel	= level(droppedIndex);
+
+//	QStandardItemModel*	lpModel	= (QStandardItemModel*)this->model();
+//	QStandardItem*	lpToItem	= lpModel->itemFromIndex(droppedIndex);
+
+//	if(droppedLevel < fromLevel-1)
+//		return;
+//	else if(droppedLevel > fromLevel)
+//		return;
+
+	if(fromLevel != droppedLevel)
+		return;
+
+	QTreeView::dropEvent(event);
+	QModelIndex	toIndex			= selectedIndexes()[0];
+	dropped(this, fromIndex, toIndex);
+}
diff --git a/ctreeview.h b/ctreeview.h
index 0f4c5d8..aa65752 100644
--- a/ctreeview.h
+++ b/ctreeview.h
@@ -44,6 +44,13 @@ signals:
 	 \param lpTreeView
 	*/
 	void		lostFocus(cTreeView* lpTreeView);
+	/*!
+	 \brief
+
+	 \fn dropped
+	 \param lpTreeView
+	*/
+	void		dropped(cTreeView* lpTreeView, QModelIndex from, QModelIndex to);
 
 protected:
 	/*!
@@ -60,6 +67,13 @@ protected:
 	 \param event
 	*/
 	void		focusOutEvent(QFocusEvent *event);
+	/*!
+	 \brief
+
+	 \fn dropEvent
+	 \param event
+	*/
+	void		dropEvent(QDropEvent *event);
 };
 
 Q_DECLARE_METATYPE(cTreeView*)