Files
wxWidgets/src/common/datavcmn.cpp
Robert Roebling 1286b7ba6c Not everything has to be virtual.
Made short cuts for adding columns more useful.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41670 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-10-07 14:15:53 +00:00

912 lines
24 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: src/common/datavcmn.cpp
// Purpose: wxDataViewCtrl base classes and common parts
// Author: Robert Roebling
// Created: 2006/02/20
// RCS-ID: $Id$
// Copyright: (c) 2006, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_DATAVIEWCTRL
#include "wx/dataview.h"
#ifndef WX_PRECOMP
#include "wx/log.h"
#endif
const wxChar wxDataViewCtrlNameStr[] = wxT("dataviewCtrl");
// ---------------------------------------------------------
// wxDataViewModel
// ---------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxDataViewModel, wxObject)
// ---------------------------------------------------------
// wxDataViewListModel
// ---------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxDataViewListModel, wxDataViewModel)
wxDataViewListModel::wxDataViewListModel()
{
m_viewingColumns.DeleteContents( true );
m_notifiers.DeleteContents( true );
}
wxDataViewListModel::~wxDataViewListModel()
{
}
bool wxDataViewListModel::RowAppended()
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->RowAppended())
ret = false;
node = node->GetNext();
}
return ret;
}
bool wxDataViewListModel::RowPrepended()
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->RowPrepended())
ret = false;
node = node->GetNext();
}
return ret;
}
bool wxDataViewListModel::RowInserted( unsigned int before )
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->RowInserted(before))
ret = false;
node = node->GetNext();
}
return ret;
}
bool wxDataViewListModel::RowDeleted( unsigned int row )
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->RowDeleted( row ))
ret = false;
node = node->GetNext();
}
return ret;
}
bool wxDataViewListModel::RowChanged( unsigned int row )
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->RowChanged( row ))
ret = false;
node = node->GetNext();
}
return ret;
}
bool wxDataViewListModel::ValueChanged( unsigned int col, unsigned int row )
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->ValueChanged( col, row ))
ret = false;
node = node->GetNext();
}
return ret;
}
bool wxDataViewListModel::RowsReordered( unsigned int *new_order )
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->RowsReordered( new_order ))
ret = false;
node = node->GetNext();
}
return ret;
}
bool wxDataViewListModel::Cleared()
{
bool ret = true;
wxList::compatibility_iterator node = m_notifiers.GetFirst();
while (node)
{
wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
if (!notifier->Cleared())
ret = false;
node = node->GetNext();
}
return ret;
}
void wxDataViewListModel::AddViewingColumn( wxDataViewColumn *view_column, unsigned int model_column )
{
m_viewingColumns.Append( new wxDataViewViewingColumn( view_column, model_column ) );
}
void wxDataViewListModel::RemoveViewingColumn( wxDataViewColumn *column )
{
wxList::compatibility_iterator node = m_viewingColumns.GetFirst();
while (node)
{
wxDataViewViewingColumn* tmp = (wxDataViewViewingColumn*) node->GetData();
if (tmp->m_viewColumn == column)
{
m_viewingColumns.DeleteObject( tmp );
return;
}
node = node->GetNext();
}
}
void wxDataViewListModel::AddNotifier( wxDataViewListModelNotifier *notifier )
{
m_notifiers.Append( notifier );
notifier->SetOwner( this );
}
void wxDataViewListModel::RemoveNotifier( wxDataViewListModelNotifier *notifier )
{
m_notifiers.DeleteObject( notifier );
}
// ---------------------------------------------------------
// wxDataViewSortedListModelNotifier
// ---------------------------------------------------------
class wxDataViewSortedListModelNotifier: public wxDataViewListModelNotifier
{
public:
wxDataViewSortedListModelNotifier( wxDataViewSortedListModel *model )
{ m_model = model; }
virtual bool RowAppended()
{ return m_model->ChildRowAppended(); }
virtual bool RowPrepended()
{ return m_model->ChildRowPrepended(); }
virtual bool RowInserted( unsigned int before )
{ return m_model->ChildRowInserted( before ); }
virtual bool RowDeleted( unsigned int row )
{ return m_model->ChildRowDeleted( row ); }
virtual bool RowChanged( unsigned int row )
{ return m_model->ChildRowChanged( row ); }
virtual bool ValueChanged( unsigned int col, unsigned int row )
{ return m_model->ChildValueChanged( col, row); }
virtual bool RowsReordered( unsigned int *new_order )
{ return m_model->ChildRowsReordered( new_order ); }
virtual bool Cleared()
{ return m_model->ChildCleared(); }
wxDataViewSortedListModel *m_model;
};
// ---------------------------------------------------------
// wxDataViewSortedListModel compare function
// ---------------------------------------------------------
int wxCALLBACK wxDataViewListModelSortedDefaultCompare
(unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model )
{
wxVariant value1,value2;
model->GetValue( value1, col, row1 );
model->GetValue( value2, col, row2 );
if (value1.GetType() == wxT("string"))
{
wxString str1 = value1.GetString();
wxString str2 = value2.GetString();
return str1.Cmp( str2 );
}
if (value1.GetType() == wxT("long"))
{
long l1 = value1.GetLong();
long l2 = value2.GetLong();
return l1-l2;
}
if (value1.GetType() == wxT("double"))
{
double d1 = value1.GetDouble();
double d2 = value2.GetDouble();
if (d1 == d2) return 0;
if (d1 < d2) return 1;
return -1;
}
if (value1.GetType() == wxT("datetime"))
{
wxDateTime dt1 = value1.GetDateTime();
wxDateTime dt2 = value2.GetDateTime();
if (dt1.IsEqualTo(dt2)) return 0;
if (dt1.IsEarlierThan(dt2)) return 1;
return -1;
}
return 0;
}
int wxCALLBACK wxDataViewListModelSortedDefaultCompareDescending
(unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model )
{
return wxDataViewListModelSortedDefaultCompare( row2, row1, col, model );
}
static wxDataViewListModelCompare s_CmpFunc;
static wxDataViewListModel *s_CmpModel;
static unsigned int s_CmpCol;
int LINKAGEMODE wxDataViewIntermediateCmp( unsigned int row1, unsigned int row2 )
{
return s_CmpFunc( row1, row2, s_CmpCol, s_CmpModel );
}
// ---------------------------------------------------------
// wxDataViewSortedListModel
// ---------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxDataViewSortedListModel, wxDataViewListModel)
wxDataViewSortedListModel::wxDataViewSortedListModel( wxDataViewListModel *child ) :
m_array( wxDataViewIntermediateCmp )
{
m_child = child;
m_ascending = true;
m_notifierOnChild = new wxDataViewSortedListModelNotifier( this );
m_child->AddNotifier( m_notifierOnChild );
Resort();
}
wxDataViewSortedListModel::~wxDataViewSortedListModel()
{
m_child->RemoveNotifier( m_notifierOnChild );
}
// FIXME
void wxDataViewSortedListModel::InitStatics()
{
s_CmpCol = 0;
s_CmpModel = m_child;
if (m_ascending)
s_CmpFunc = wxDataViewListModelSortedDefaultCompare;
else
s_CmpFunc = wxDataViewListModelSortedDefaultCompareDescending;
}
void wxDataViewSortedListModel::Resort()
{
InitStatics();
m_array.Clear();
unsigned int n = m_child->GetNumberOfRows();
unsigned int i;
for (i = 0; i < n; i++)
m_array.Add( i );
}
#if 0
static void Dump( wxDataViewListModel *model, unsigned int col )
{
unsigned int n = model->GetNumberOfRows();
unsigned int i;
for (i = 0; i < n; i++)
{
wxVariant variant;
model->GetValue( variant, col, i );
wxString tmp;
tmp = variant.GetString();
wxPrintf( wxT("%d: %s\n"), (int) i, tmp.c_str() );
}
}
#endif
bool wxDataViewSortedListModel::ChildRowAppended()
{
// no need to fix up array
unsigned int len = m_array.GetCount();
unsigned int pos = m_array.Add( len );
if (pos == 0)
return wxDataViewListModel::RowPrepended();
if (pos == len)
return wxDataViewListModel::RowAppended();
return wxDataViewListModel::RowInserted( pos );
}
bool wxDataViewSortedListModel::ChildRowPrepended()
{
// fix up array
unsigned int i;
unsigned int len = m_array.GetCount();
for (i = 0; i < len; i++)
{
unsigned int value = m_array[i];
m_array[i] = value+1;
}
unsigned int pos = m_array.Add( 0 );
if (pos == 0)
return wxDataViewListModel::RowPrepended();
if (pos == len)
return wxDataViewListModel::RowAppended();
return wxDataViewListModel::RowInserted( pos );
}
bool wxDataViewSortedListModel::ChildRowInserted( unsigned int before )
{
// fix up array
unsigned int i;
unsigned int len = m_array.GetCount();
for (i = 0; i < len; i++)
{
unsigned int value = m_array[i];
if (value >= before)
m_array[i] = value+1;
}
unsigned int pos = m_array.Add( before );
if (pos == 0)
return wxDataViewListModel::RowPrepended();
if (pos == len)
return wxDataViewListModel::RowAppended();
return wxDataViewListModel::RowInserted( pos );
}
bool wxDataViewSortedListModel::ChildRowDeleted( unsigned int row )
{
unsigned int i;
unsigned int len = m_array.GetCount();
int pos = -1;
for (i = 0; i < len; i++)
{
unsigned int value = m_array[i];
if (value == row)
{
// delete later
pos = (int) i;
}
else
{
// Fix up array
if (value > row)
m_array[i] = value-1;
}
}
if (pos == -1)
return false; // we should probably assert
// remove
m_array.RemoveAt( (unsigned int) pos );
return wxDataViewListModel::RowDeleted( (unsigned int) pos);
}
bool wxDataViewSortedListModel::ChildRowChanged( unsigned int row )
{
unsigned int i;
unsigned int len = m_array.GetCount();
// Remove and readd sorted. Find out at which
// position it was and where it ended.
unsigned int start_pos = 0,end_pos = 0;
for (i = 0; i < len; i++)
if (m_array[i] == row)
{
start_pos = i;
break;
}
m_array.RemoveAt( start_pos );
m_array.Add( row );
for (i = 0; i < len; i++)
if (m_array[i] == row)
{
end_pos = i;
break;
}
if (end_pos == start_pos)
return wxDataViewListModel::RowChanged( start_pos );
// Create an array where order[old] -> new_pos, so that
// if nothing changed order[0] -> 0 etc.
unsigned int *order = new unsigned int[ len ];
// Fill up initial values.
for (i = 0; i < len; i++)
order[i] = i;
if (start_pos < end_pos)
{
for (i = start_pos; i < end_pos; i++)
order[i] = order[i+1];
order[end_pos] = start_pos;
}
else
{
for (i = end_pos; i > start_pos; i--)
order[i] = order[i-1];
order[start_pos] = end_pos;
}
wxDataViewListModel::RowsReordered( order );
delete [] order;
return true;
}
bool wxDataViewSortedListModel::ChildValueChanged( unsigned int col, unsigned int row )
{
unsigned int i;
unsigned int len = m_array.GetCount();
// Remove and readd sorted. Find out at which
// position it was and where it ended.
unsigned int start_pos = 0,end_pos = 0;
for (i = 0; i < len; i++)
if (m_array[i] == row)
{
start_pos = i;
break;
}
m_array.RemoveAt( start_pos );
m_array.Add( row );
for (i = 0; i < len; i++)
if (m_array[i] == row)
{
end_pos = i;
break;
}
if (end_pos == start_pos)
return wxDataViewListModel::ValueChanged( col, start_pos );
// Create an array where order[old] -> new_pos, so that
// if nothing changed order[0] -> 0 etc.
unsigned int *order = new unsigned int[ len ];
// Fill up initial values.
for (i = 0; i < len; i++)
order[i] = i;
if (start_pos < end_pos)
{
for (i = start_pos; i < end_pos; i++)
order[i] = order[i+1];
order[end_pos] = start_pos;
}
else
{
for (i = end_pos; i > start_pos; i--)
order[i] = order[i-1];
order[start_pos] = end_pos;
}
wxDataViewListModel::RowsReordered( order );
delete [] order;
return true;
}
bool wxDataViewSortedListModel::ChildRowsReordered( unsigned int *WXUNUSED(new_order) )
{
// Nothing needs to be done. If the sort criteria
// of this list don't change, the order of the
// items of the child list isn't relevant.
return true;
}
bool wxDataViewSortedListModel::ChildCleared()
{
return wxDataViewListModel::Cleared();
}
unsigned int wxDataViewSortedListModel::GetNumberOfRows()
{
return m_array.GetCount();
}
unsigned int wxDataViewSortedListModel::GetNumberOfCols()
{
return m_child->GetNumberOfCols();
}
wxString wxDataViewSortedListModel::GetColType( unsigned int col )
{
return m_child->GetColType( col );
}
void wxDataViewSortedListModel::GetValue( wxVariant &variant, unsigned int col, unsigned int row )
{
unsigned int child_row = m_array[row];
m_child->GetValue( variant, col, child_row );
}
bool wxDataViewSortedListModel::SetValue( wxVariant &variant, unsigned int col, unsigned int row )
{
unsigned int child_row = m_array[row];
bool ret = m_child->SetValue( variant, col, child_row );
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
bool wxDataViewSortedListModel::RowAppended()
{
// you can only append
bool ret = m_child->RowAppended();
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
bool wxDataViewSortedListModel::RowPrepended()
{
// you can only append
bool ret = m_child->RowAppended();
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
bool wxDataViewSortedListModel::RowInserted( unsigned int WXUNUSED(before) )
{
// you can only append
bool ret = m_child->RowAppended();
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
bool wxDataViewSortedListModel::RowDeleted( unsigned int row )
{
unsigned int child_row = m_array[row];
bool ret = m_child->RowDeleted( child_row );
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
bool wxDataViewSortedListModel::RowChanged( unsigned int row )
{
unsigned int child_row = m_array[row];
bool ret = m_child->RowChanged( child_row );
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
bool wxDataViewSortedListModel::ValueChanged( unsigned int col, unsigned int row )
{
unsigned int child_row = m_array[row];
bool ret = m_child->ValueChanged( col, child_row );
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
bool wxDataViewSortedListModel::RowsReordered( unsigned int *WXUNUSED(new_order) )
{
// We sort them ourselves.
return false;
}
bool wxDataViewSortedListModel::Cleared()
{
bool ret = m_child->Cleared();
// Do nothing here as the change in the
// child model will be reported back.
return ret;
}
// ---------------------------------------------------------
// wxDataViewRendererBase
// ---------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxDataViewRendererBase, wxObject)
wxDataViewRendererBase::wxDataViewRendererBase( const wxString &varianttype, wxDataViewCellMode mode )
{
m_variantType = varianttype;
m_mode = mode;
}
// ---------------------------------------------------------
// wxDataViewColumnBase
// ---------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumnBase, wxObject)
wxDataViewColumnBase::wxDataViewColumnBase(const wxString& title,
wxDataViewRenderer *renderer,
unsigned int model_column,
int WXUNUSED(width),
int flags )
{
m_renderer = renderer;
m_model_column = model_column;
m_flags = flags;
m_title = title;
m_owner = NULL;
m_renderer->SetOwner( (wxDataViewColumn*) this );
}
wxDataViewColumnBase::wxDataViewColumnBase(const wxBitmap& bitmap,
wxDataViewRenderer *renderer,
unsigned int model_column,
int WXUNUSED(width),
int flags )
{
m_renderer = renderer;
m_model_column = model_column;
m_flags = flags;
m_bitmap = bitmap;
m_owner = NULL;
m_renderer->SetOwner( (wxDataViewColumn*) this );
}
wxDataViewColumnBase::~wxDataViewColumnBase()
{
if (m_renderer)
delete m_renderer;
if (GetOwner())
{
GetOwner()->GetModel()->RemoveViewingColumn( (wxDataViewColumn*) this );
}
}
void wxDataViewColumnBase::SetTitle( const wxString &title )
{
m_title = title;
}
wxString wxDataViewColumnBase::GetTitle()
{
return m_title;
}
void wxDataViewColumnBase::SetBitmap( const wxBitmap &bitmap )
{
m_bitmap = bitmap;
}
const wxBitmap &wxDataViewColumnBase::GetBitmap()
{
return m_bitmap;
}
// ---------------------------------------------------------
// wxDataViewCtrlBase
// ---------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxDataViewCtrlBase, wxControl)
wxDataViewCtrlBase::wxDataViewCtrlBase()
{
m_model = NULL;
m_cols.DeleteContents( true );
}
wxDataViewCtrlBase::~wxDataViewCtrlBase()
{
}
bool wxDataViewCtrlBase::AssociateModel( wxDataViewListModel *model )
{
m_model = model;
return true;
}
wxDataViewListModel* wxDataViewCtrlBase::GetModel()
{
return m_model;
}
bool wxDataViewCtrlBase::AppendTextColumn( const wxString &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewTextRenderer( wxT("string"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendToggleColumn( const wxString &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewToggleRenderer( wxT("bool"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendProgressColumn( const wxString &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendDateColumn( const wxString &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewDateRenderer( wxT("datetime"), mode), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendBitmapColumn( const wxString &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendTextColumn( const wxBitmap &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewTextRenderer( wxT("string"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendToggleColumn( const wxBitmap &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewToggleRenderer( wxT("bool"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendProgressColumn( const wxBitmap &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendDateColumn( const wxBitmap &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewDateRenderer( wxT("datetime"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendBitmapColumn( const wxBitmap &label, unsigned int model_column,
wxDataViewCellMode mode, int width )
{
return AppendColumn( new wxDataViewColumn( label,
new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode ), model_column, width ) );
}
bool wxDataViewCtrlBase::AppendColumn( wxDataViewColumn *col )
{
m_cols.Append( (wxObject*) col );
col->SetOwner( (wxDataViewCtrl*) this );
m_model->AddViewingColumn( col, col->GetModelColumn() );
return true;
}
unsigned int wxDataViewCtrlBase::GetNumberOfColumns()
{
return m_cols.GetCount();
}
bool wxDataViewCtrlBase::DeleteColumn( unsigned int WXUNUSED(pos) )
{
return false;
}
bool wxDataViewCtrlBase::ClearColumns()
{
return false;
}
wxDataViewColumn* wxDataViewCtrlBase::GetColumn( unsigned int pos )
{
return (wxDataViewColumn*) m_cols[ pos ];
}
// ---------------------------------------------------------
// wxDataViewEvent
// ---------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxDataViewEvent,wxNotifyEvent)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_SELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_ACTIVATED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK)
#endif