* Group/UnGroup seems to work

src/view/AccountPanel.cpp

@@ -124,7 +124,7 @@ AccountPanel::AccountPanel(KissCount* kiss, wxUI *parent) : wxScrolledWindow(&(*
     _tree.SetIndent(5);
 
     wxButton* buttonGroup = new wxButton(this, GROUP_ID, _("Group"));
-    wxButton* buttonUnGroup = new wxButton(this, GROUP_ID, _("UnGroup"));
+    wxButton* buttonUnGroup = new wxButton(this, UNGROUP_ID, _("UnGroup"));
     
     vbox3->Add(&_tree, 0);
     vbox3->Add(-1, 30);  

src/view/grid/GridAccount.cpp

@@ -138,6 +138,7 @@ Operation& GridAccount::GetOperation(const wxString& id)
     for(it=_operations->begin(); it!=_operations->end(); it++)
 	if (it->id == id)
 	    return *it;
+    // I'm aware about the warning, but the method may not fail
 }
 
 void GridAccount::UpdateOperation(Operation& op)
@@ -442,6 +443,7 @@ void GridAccount::InsertIntoGrid(Operation& op)
     for(i=0; i<(int)_displayedOperations.size(); i++)
     {
 	if (!_displayedOperations[i].id.Length()) continue;
+	if (_displayedOperations[i].parent.Length()) continue;
 	if ((_displayedOperations)[i].fix_cost && !op.fix_cost) continue;
 	if (!(_displayedOperations)[i].fix_cost && op.fix_cost) break;
 	if (user->_preferences[wxT("operation_order")] == wxT("ASC"))
@@ -930,9 +932,57 @@ void GridAccount::UpdateMeta(Operation& op)
     UpdateOperation(op);
 }
 
+
+void GridAccount::GetSelectedOperations(std::vector<int>* rows)
+{
+    std::vector<int>::iterator it;
+
+    rows->clear();
+
+    // Blocks. We always expect btl and bbr to have the same size, since their
+    // entries are supposed to correspond.
+    const wxGridCellCoordsArray& btl(GetSelectionBlockTopLeft());
+    const wxGridCellCoordsArray& bbr(GetSelectionBlockBottomRight());
+    size_t blockCount = btl.size();
+
+    if (blockCount == bbr.size())
+    {
+	for (size_t i = 0; i < blockCount; ++i)
+	{
+	    const wxGridCellCoords& tl = btl[i];
+	    const wxGridCellCoords& br = bbr[i];
+	    for (int row = tl.GetRow(); row <= br.GetRow(); ++row)
+	    {
+		for (it=rows->begin(); it!=rows->end(); it++)
+		    if (*it == row)
+			break;
+
+		if (it != rows->end()) continue;
+
+		rows->push_back(row);
+	    }
+	}
+    }
+
+    // Singly selected cells.
+    const wxGridCellCoordsArray& cells(GetSelectedCells());
+    for (size_t i = 0; i < cells.size(); ++i)
+    {
+    	const wxGridCellCoords& c = cells[i];
+
+	for (it=rows->begin(); it!=rows->end(); it++)
+	    if (*it == c.GetRow())
+		break;
+
+	if (it != rows->end()) continue;
+
+	rows->push_back(c.GetRow());
+    }
+}
+
 void GridAccount::Group()
 {
-    std::vector<int> rows;
+    std::vector<int> selected, rows;
     std::vector<int>::iterator it;
     std::vector<Operation> ops;
     std::vector<Operation>::iterator it2;
@@ -941,19 +991,11 @@ void GridAccount::Group()
     Operation op, op2;
     int fix = -1, i;
 
-    // Singly selected cells.
+    GetSelectedOperations(&selected);
-    const wxGridCellCoordsArray& cells(GetSelectedCells());
+
-    for (size_t i = 0; i < cells.size(); ++i)
+    for (size_t i = 0; i < selected.size(); ++i)
     {
-    	const wxGridCellCoords& c = cells[i];
+	op = _displayedOperations[selected[i]] ;
-
-	for (it=rows.begin(); it!=rows.end(); it++)
-	    if (*it == c.GetRow())
-		break;
-
-	if (it != rows.end()) continue;
-
-	op = _displayedOperations[c.GetRow()] ;
 
 	if (op.id.Length())
 	{
@@ -986,10 +1028,12 @@ void GridAccount::Group()
 		fix = op.fix_cost ? 1 : 0;
 	    
 	    ops.push_back(op);
-	    rows.push_back(c.GetRow());
+	    rows.push_back(selected[i]);
 	}
     }
     
+    if (!ops.size()) return;
+
     if (!parent.Length())
     {
 	if (rows.size() < 2) return;
@@ -1080,7 +1124,116 @@ void GridAccount::Group()
     InsertIntoGrid(op);
 }
 
+
 void GridAccount::UnGroup()
 {
+    std::vector<int> rows, selected;
+    std::vector<int>::iterator it;
+    std::vector<Operation> ops;
+    std::vector<wxString> ops2;
+    std::vector<Operation>::iterator it2;
+    std::vector<wxString>::iterator it3;    
+    wxString parent = wxT("");
+    Operation op, op2;
+    int fix = -1, i, a, line;
 
+    GetSelectedOperations(&selected);
+
+    for (size_t i = 0; i < selected.size(); ++i)
+    {
+	op = _displayedOperations[selected[i]] ;
+
+	if (op.id.Length())
+	{
+	    if ((parent.Length() && op.parent != parent)
+		|| (!op.parent.Length() && !op.meta))
+	    {
+		wxMessageBox(_("Cannot ungroup these operations"), _("Error"), wxICON_ERROR | wxOK);
+		return ;
+	    }
+
+	    if (fix != -1 && ((!fix && op.fix_cost) || (fix && !op.fix_cost)))
+	    {
+		wxMessageBox(_("Cannot ungroup these operations"), _("Error"), wxICON_ERROR | wxOK);
+		return ;
+	    }
+
+	    if (fix == -1)
+		fix = op.fix_cost ? 1 : 0;
+	    
+	    if(op.meta)
+	    {
+	        parent = op.id;
+		continue;
+	    }
+	    
+	    if (!parent.Length() && op.parent.Length())
+		parent = op.parent;
+
+	    ops.push_back(op);
+	    rows.push_back(selected[i]);
+	}
+    }
+
+    if (!ops.size() && !parent.Length()) return;
+
+removeLastGroup:
+    // Only one meta is selected
+    if (!ops.size())
+    {
+	line = GetDisplayedRow(parent);
+	op = _displayedOperations[line];
+	ops2 = op.childs;
+	RemoveMeta(op, line, true, false);
+
+	for(i=0; i<(int)ops2.size(); i++)
+	{
+	    op2 = GetOperation(ops2[i]);
+	    op2.parent = wxT("");
+	    _kiss->UpdateOperation(op2);
+	    if (op2.fix_cost) _fixCosts--;
+	    InsertIntoGrid(op2);
+	}
+
+	_kiss->DeleteOperation(op);
+	DeleteOperation(op);
+	if (op.fix_cost) _fixCosts--;
+    }
+    else
+    {
+	if (!parent.Length()) return;
+
+	line = GetDisplayedRow(parent);
+	op2 = _displayedOperations[line];
+
+	for(i=0; i<(int)ops.size(); i++)
+	{
+	    op = ops[i];
+	    op.parent = wxT("");
+	    _kiss->UpdateOperation(op);
+	    line = GetDisplayedRow(op.id);
+	    DeleteRows(line, 1);
+	    _displayedOperations.erase(_displayedOperations.begin()+line);
+	    InsertIntoGrid(GetOperation(op.id)); // Don't use temp variable
+	    if (op.fix_cost) _fixCosts--;
+	    for (a=0; a<(int)op2.childs.size(); a++)
+		if (op2.childs[a] == op.id)
+		{
+		    op2.childs.erase(op2.childs.begin()+a);
+		    break;
+		}
+	}
+
+	line = GetDisplayedRow(parent);
+	_displayedOperations[line] = op2;
+
+	if (op2.childs.size() < 2)
+	{
+	    ops.clear();
+	    // Sorry ...
+	    goto removeLastGroup;
+	}
+
+	_kiss->UpdateOperation(op2);
+    }
 }

src/view/grid/GridAccount.h

@@ -75,6 +75,7 @@ private:
     Operation& GetOperation(const wxString& id);
     void UpdateOperation(Operation& op);
     int GetDisplayedRow(const wxString& id);
+    void GetSelectedOperations(std::vector<int>* rows);
 
     DECLARE_EVENT_TABLE();
 };