first re-commit.

model/xqmodelsections.cpp

@@ -0,0 +1,146 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#include <xqmodelsections.h>
+#include <xqitem.h>
+
+
+XQModelSection::XQModelSection(const QModelIndex& aModelIndex, XQNodePtr aSheetNode)
+  : modelIndex{ aModelIndex }, sheetRootNode{ aSheetNode }
+{
+
+}
+
+
+bool XQModelSection::operator==(const XQModelSection& other) const
+{
+  return modelIndex == other.modelIndex && sheetRootNode == other.sheetRootNode;
+}
+
+
+bool XQModelSection::isValid() const
+{
+  return modelIndex.isValid() && sheetRootNode;
+}
+
+
+int XQModelSection::XQModelSection::row() const
+{
+  return modelIndex.row();
+}
+
+
+XQItem& XQModelSection::XQModelSection::headerItem() const
+{
+  return XQItem::xqItemFromIndex( modelIndex );
+}
+
+
+//
+//
+// -------------------------------------------------------------------------------------------------------------------------------------------------------
+//
+//
+
+
+void XQModelSections::addSectionEntry(const QModelIndex& idx, XQNodePtr sheetNode)
+{
+  XQModelSection section(idx, sheetNode);
+  addAtKey(sheetNode->tag_name(), section);
+}
+
+bool XQModelSections::hasValidSection(const QString& sectionKey) const
+{
+  if (!contains(sectionKey) )
+    return false;
+  return at(sectionKey).isValid();
+}
+
+
+const XQModelSection& XQModelSections::sectionxqItemFromIndex( const QModelIndex& index ) const
+{
+  return sectionFromRow( index.row() );
+}
+
+
+const XQModelSection& XQModelSections::sectionFromRow(int itemRow ) const
+{
+
+  int i = size() - 1;
+  for (; i >= 0; --i)
+  {
+    if ( at(i).modelIndex.row() < itemRow )
+      return at(i);
+  }
+
+  static XQModelSection s_DummySection;
+  return s_DummySection;
+
+}
+
+
+int XQModelSections::firstRow(const QModelIndex& idx) const
+{
+  return sectionFromRow(idx.row() ).row();
+}
+
+
+int XQModelSections::lastRow(const QModelIndex& idx) const
+{
+  return lastRow(sectionFromRow(idx.row()));
+}
+
+
+int XQModelSections::lastRow(const XQModelSection& section ) const
+{
+  //qDebug() << " -- last row in section: " << section.modelIndex.data().toString() << " --> " << section.modelIndex.row();
+  // row() der section unterhalb dieser
+  // __fix? index mit speichern?
+  int index = indexOf(section);
+  if (index > -1)
+  {
+    // last section? return last row of model
+    if (index == size() - 1)
+      return section.modelIndex.model()->rowCount();// - 1;
+    // return row above the row of the next section -> last row of given section
+    return at(index+1).row();
+  }
+  return -1;
+}
+
+
+void XQModelSections::dump() const
+{
+  qDebug() << " --- sections dump(): " <<size() << " entries.";
+  for( int i = 0; i<size(); ++i )
+  {
+    QModelIndex idx = at(i).modelIndex;
+    qDebug() << " --- sections:" << i << "row: " << idx.row() << " keyOf(i): " << keyOf(i) << " indexData: "<< idx.data().toString() << " itemData: " << XQItem::xqItemFromIndex(idx).data(Qt::DisplayRole).toString();
+  }
+
+}
+
+
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