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Add support for rearranging wxGrid rows order interactively

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Add EnableDragRowMove() function and wxEVT_GRID_ROW_MOVE, similarly to
the existing column function and event.

Closes #22260.
This commit is contained in:
DietmarSchwertberger
2022-04-02 17:07:43 +02:00
committed by Vadim Zeitlin
parent c39c392bbb
commit 3719ab3725
6 changed files with 612 additions and 125 deletions
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88
samples/grid/griddemo.cpp
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@@ -281,6 +281,7 @@ wxBEGIN_EVENT_TABLE( GridFrame, wxFrame )
EVT_MENU( ID_TOGGLEEDIT, GridFrame::ToggleEditing )
EVT_MENU( ID_TOGGLEROWSIZING, GridFrame::ToggleRowSizing )
EVT_MENU( ID_TOGGLECOLSIZING, GridFrame::ToggleColSizing )
EVT_MENU( ID_TOGGLEROWMOVING, GridFrame::ToggleRowMoving)
EVT_MENU( ID_TOGGLECOLMOVING, GridFrame::ToggleColMoving )
EVT_MENU( ID_TOGGLECOLHIDING, GridFrame::ToggleColHiding )
EVT_MENU( ID_TOGGLEGRIDSIZING, GridFrame::ToggleGridSizing )
@@ -437,6 +438,7 @@ GridFrame::GridFrame()
viewMenu->AppendCheckItem(ID_TOGGLEEDIT,"&Editable");
viewMenu->AppendCheckItem(ID_TOGGLEROWSIZING, "Ro&w drag-resize");
viewMenu->AppendCheckItem(ID_TOGGLECOLSIZING, "C&ol drag-resize");
viewMenu->AppendCheckItem(ID_TOGGLEROWMOVING, "Row drag-move");
viewMenu->AppendCheckItem(ID_TOGGLECOLMOVING, "Col drag-&move");
viewMenu->AppendCheckItem(ID_TOGGLECOLHIDING, "Col hiding popup menu");
viewMenu->AppendCheckItem(ID_TOGGLEGRIDSIZING, "&Grid drag-resize");
@@ -865,6 +867,12 @@ void GridFrame::ToggleColSizing( wxCommandEvent& WXUNUSED(ev) )
GetMenuBar()->IsChecked( ID_TOGGLECOLSIZING ) );
}
void GridFrame::ToggleRowMoving( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragRowMove(
GetMenuBar()->IsChecked( ID_TOGGLEROWMOVING ) );
}
void GridFrame::ToggleColMoving( wxCommandEvent& WXUNUSED(ev) )
{
grid->EnableDragColMove(
@@ -1717,9 +1725,12 @@ void GridFrame::OnSelectCell( wxGridEvent& ev )
<< ", AltDown: "<< (ev.AltDown() ? 'T':'F')
<< ", MetaDown: "<< (ev.MetaDown() ? 'T':'F') << " )";
//Indicate whether this row was moved
if ( grid->GetRowPos( ev.GetRow() ) != ev.GetRow() )
logBuf << " *** Row moved, current position: " << grid->GetRowPos( ev.GetRow() );
//Indicate whether this column was moved
if ( ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() ) != ev.GetCol() )
logBuf << " *** Column moved, current position: " << ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() );
if ( grid->GetColPos( ev.GetCol() ) != ev.GetCol() )
logBuf << " *** Column moved, current position: " << grid->GetColPos( ev.GetCol() );
wxLogMessage( "%s", logBuf );
@@ -2432,6 +2443,7 @@ private:
Id_Check_UseNativeHeader,
Id_Check_DrawNativeLabels,
Id_Check_ShowRowLabels,
Id_Check_EnableRowMove,
Id_Check_EnableColMove
};
@@ -2461,6 +2473,11 @@ private:
: 0);
}
void OnToggleRowMove(wxCommandEvent&)
{
m_grid->EnableDragRowMove(m_chkEnableRowMove->IsChecked());
}
void OnToggleColMove(wxCommandEvent&)
{
m_grid->EnableDragColMove(m_chkEnableColMove->IsChecked());
@@ -2474,7 +2491,7 @@ private:
m_grid->SetColSize(col,
event.GetId() == wxID_ADD ? wxGRID_AUTOSIZE : 0);
UpdateOrderAndVisibility();
UpdateColOrderAndVisibility();
}
}
@@ -2487,14 +2504,14 @@ private:
m_grid->SetColPos(col, pos);
UpdateOrderAndVisibility();
UpdateColOrderAndVisibility();
}
void OnResetColumnOrder(wxCommandEvent&)
{
m_grid->ResetColPos();
UpdateOrderAndVisibility();
UpdateColOrderAndVisibility();
}
void OnGridColSort(wxGridEvent& event)
@@ -2504,11 +2521,20 @@ private:
m_grid->IsSortOrderAscending()));
}
void OnGridRowMove(wxGridEvent& event)
{
// can't update it yet as the order hasn't been changed, so do it a bit
// later
m_shouldUpdateRowOrder = true;
event.Skip();
}
void OnGridColMove(wxGridEvent& event)
{
// can't update it yet as the order hasn't been changed, so do it a bit
// later
m_shouldUpdateOrder = true;
m_shouldUpdateColOrder = true;
event.Skip();
}
@@ -2518,23 +2544,29 @@ private:
// we only catch this event to react to the user showing or hiding this
// column using the header control menu and not because we're
// interested in column resizing
UpdateOrderAndVisibility();
UpdateColOrderAndVisibility();
event.Skip();
}
void OnIdle(wxIdleEvent& event)
{
if ( m_shouldUpdateOrder )
if ( m_shouldUpdateColOrder )
{
m_shouldUpdateOrder = false;
UpdateOrderAndVisibility();
m_shouldUpdateColOrder = false;
UpdateColOrderAndVisibility();
}
if ( m_shouldUpdateRowOrder )
{
m_shouldUpdateRowOrder = false;
UpdateRowOrderAndVisibility();
}
event.Skip();
}
void UpdateOrderAndVisibility()
void UpdateColOrderAndVisibility()
{
wxString s;
for ( int pos = 0; pos < TabularGridTable::COL_MAX; pos++ )
@@ -2554,12 +2586,33 @@ private:
m_statOrder->SetLabel(s);
}
void UpdateRowOrderAndVisibility()
{
wxString s;
for ( int pos = 0; pos < TabularGridTable::ROW_MAX; pos++ )
{
const int row = m_grid->GetRowAt(pos);
const bool isHidden = m_grid->GetRowSize(row) == 0;
if ( isHidden )
s << '[';
s << row;
if ( isHidden )
s << ']';
s << ' ';
}
m_statOrder->SetLabel(s);
}
// controls
wxGrid *m_grid;
TabularGridTable *m_table;
wxCheckBox *m_chkUseNative,
*m_chkDrawNative,
*m_chkShowRowLabels,
*m_chkEnableRowMove,
*m_chkEnableColMove;
ColIndexEntry *m_txtColIndex,
@@ -2569,7 +2622,8 @@ private:
wxStaticText *m_statOrder;
// fla for EVT_IDLE handler
bool m_shouldUpdateOrder;
bool m_shouldUpdateRowOrder,
m_shouldUpdateColOrder;
wxDECLARE_NO_COPY_CLASS(TabularGridFrame);
wxDECLARE_EVENT_TABLE();
@@ -2594,6 +2648,7 @@ wxBEGIN_EVENT_TABLE(TabularGridFrame, wxFrame)
EVT_BUTTON(wxID_DELETE, TabularGridFrame::OnShowHideColumn)
EVT_GRID_COL_SORT(TabularGridFrame::OnGridColSort)
EVT_GRID_ROW_MOVE(TabularGridFrame::OnGridRowMove)
EVT_GRID_COL_MOVE(TabularGridFrame::OnGridColMove)
EVT_GRID_COL_SIZE(TabularGridFrame::OnGridColSize)
@@ -2603,7 +2658,7 @@ wxEND_EVENT_TABLE()
TabularGridFrame::TabularGridFrame()
: wxFrame(NULL, wxID_ANY, "Tabular table")
{
m_shouldUpdateOrder = false;
m_shouldUpdateColOrder = false;
wxPanel * const panel = new wxPanel(this);
@@ -2614,6 +2669,7 @@ TabularGridFrame::TabularGridFrame()
wxBORDER_STATIC | wxWANTS_CHARS);
m_grid->AssignTable(m_table, wxGrid::wxGridSelectRows);
m_grid->EnableDragRowMove();
m_grid->EnableDragColMove();
m_grid->UseNativeColHeader();
m_grid->HideRowLabels();
@@ -2638,6 +2694,12 @@ TabularGridFrame::TabularGridFrame()
"Show &row labels");
sizerStyles->Add(m_chkShowRowLabels, wxSizerFlags().Border());
m_chkEnableRowMove = new wxCheckBox(panel, Id_Check_EnableRowMove,
"Allow row reordering");
m_chkEnableRowMove->SetValue(true);
sizerStyles->Add(m_chkEnableRowMove, wxSizerFlags().Border());
sizerControls->Add(sizerStyles);
m_chkEnableColMove = new wxCheckBox(panel, Id_Check_EnableColMove,
"Allow column re&ordering");
m_chkEnableColMove->SetValue(true);