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reorganize the sample splitting it in two source files and an additional header; most important: don't tile all the controls into the main frame: it becomes too big; rather use a notebook control to properly layout them

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59316 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Francesco Montorsi
2009-03-04 17:21:40 +00:00
parent d6e329cfbc
commit bf19b714f0
15 changed files with 959 additions and 716 deletions
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samples/dataview/mymodels.cpp Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: mymodels.cpp
// Purpose: wxDataViewCtrl wxWidgets sample
// Author: Robert Roebling
// Modified by: Francesco Montorsi, Bo Yang
// Created: 06/01/06
// RCS-ID: $Id$
// Copyright: (c) Robert Roebling
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/dataview.h"
#include "mymodels.h"
// ----------------------------------------------------------------------------
// resources
// ----------------------------------------------------------------------------
#include "null.xpm"
// ----------------------------------------------------------------------------
// MyMusicTreeModel
// ----------------------------------------------------------------------------
MyMusicTreeModel::MyMusicTreeModel()
{
m_root = new MyMusicTreeModelNode( NULL, wxT("My Music" ));
m_pop = new MyMusicTreeModelNode( m_root, wxT("Pop music") );
m_root->Append( m_pop );
m_pop->Append( new MyMusicTreeModelNode( m_pop,
wxT("You are not alone"), wxT("Michael Jackson"), 1995 ) );
m_pop->Append( new MyMusicTreeModelNode( m_pop,
wxT("Take a bow"), wxT("Madonna"), 1994 ) );
m_classical = new MyMusicTreeModelNode( m_root, wxT("Classical music") );
m_root->Append( m_classical );
m_ninth = new MyMusicTreeModelNode( m_classical,
wxT("Ninth symphony"), wxT("Ludwig van Beethoven"), 1824 );
m_classical->Append( m_ninth );
m_classical->Append( new MyMusicTreeModelNode( m_classical,
wxT("German Requiem"), wxT("Johannes Brahms"), 1868 ) );
m_classicalMusicIsKnownToControl = false;
}
wxString MyMusicTreeModel::GetTitle( const wxDataViewItem &item ) const
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
if (!node)
return wxEmptyString;
return node->m_title;
}
int MyMusicTreeModel::GetYear( const wxDataViewItem &item ) const
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
if (!node)
return 2000;
return node->m_year;
}
void MyMusicTreeModel::AddToClassical( const wxString &title, const wxString &artist, int year )
{
// add to data
MyMusicTreeModelNode *child_node =
new MyMusicTreeModelNode( m_classical, title, artist, year );
m_classical->Append( child_node );
if (m_classicalMusicIsKnownToControl)
{
// notify control
wxDataViewItem child( (void*) child_node );
wxDataViewItem parent( (void*) m_classical );
ItemAdded( parent, child );
}
}
void MyMusicTreeModel::Delete( const wxDataViewItem &item )
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
wxDataViewItem parent( node->GetParent() );
node->GetParent()->GetChildren().Remove( node );
delete node;
// notify control
ItemDeleted( parent, item );
}
int MyMusicTreeModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
unsigned int column, bool ascending )
{
if (IsContainer(item1) && IsContainer(item2))
{
wxVariant value1,value2;
GetValue( value1, item1, 0 );
GetValue( value2, item2, 0 );
wxString str1 = value1.GetString();
wxString str2 = value2.GetString();
int res = str1.Cmp( str2 );
if (res) return res;
// items must be different
wxUIntPtr litem1 = (wxUIntPtr) item1.GetID();
wxUIntPtr litem2 = (wxUIntPtr) item2.GetID();
return litem1-litem2;
}
return wxDataViewModel::Compare( item1, item2, column, ascending );
}
void MyMusicTreeModel::GetValue( wxVariant &variant,
const wxDataViewItem &item, unsigned int col ) const
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
switch (col)
{
case 0: variant = node->m_title; break;
case 1: variant = node->m_artist; break;
case 2: variant = (long) node->m_year; break;
case 3: variant = node->m_quality; break;
case 4:
// wxMac doesn't conceal the popularity progress renderer, return 0 for containers
if (IsContainer(item))
variant = (long) 0;
else
variant = (long) 80; // all music is very 80% popular
break;
case 5:
// Make size of red square depend on year
if (GetYear(item) < 1900)
variant = (long) 35;
else
variant = (long) 25;
break;
default:
{
wxLogError( wxT("MyMusicTreeModel::GetValue: wrong column %d"), col );
// provoke a crash when mouse button down
wxMouseState state = wxGetMouseState();
if (state.ShiftDown())
{
char *crash = 0;
*crash = 0;
}
}
}
}
bool MyMusicTreeModel::SetValue( const wxVariant &variant,
const wxDataViewItem &item, unsigned int col )
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
switch (col)
{
case 0: node->m_title = variant.GetString(); return true;
case 1: node->m_artist = variant.GetString(); return true;
case 2: node->m_year = variant.GetLong(); return true;
case 3: node->m_quality = variant.GetString(); return true;
default: wxLogError( wxT("MyMusicTreeModel::SetValue: wrong column") );
}
return false;
}
wxDataViewItem MyMusicTreeModel::GetParent( const wxDataViewItem &item ) const
{
// the invisble root node has no parent
if (!item.IsOk())
return wxDataViewItem(0);
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
// "MyMusic" also has no parent
if (node == m_root)
return wxDataViewItem(0);
return wxDataViewItem( (void*) node->GetParent() );
}
bool MyMusicTreeModel::IsContainer( const wxDataViewItem &item ) const
{
// the invisble root node can have children (in
// our model always "MyMusic")
if (!item.IsOk())
return true;
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
return node->IsContainer();
}
unsigned int MyMusicTreeModel::GetChildren( const wxDataViewItem &parent, wxDataViewItemArray &array ) const
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) parent.GetID();
if (!node)
{
array.Add( wxDataViewItem( (void*) m_root ) );
return 1;
}
if (node == m_classical)
{
MyMusicTreeModel *model = (MyMusicTreeModel*)(const MyMusicTreeModel*) this;
model->m_classicalMusicIsKnownToControl = true;
}
if (node->GetChildCount() == 0)
{
return 0;
}
unsigned int count = node->GetChildren().GetCount();
unsigned int pos;
for (pos = 0; pos < count; pos++)
{
MyMusicTreeModelNode *child = node->GetChildren().Item( pos );
array.Add( wxDataViewItem( (void*) child ) );
}
return count;
}
// ----------------------------------------------------------------------------
// MyListModel
// ----------------------------------------------------------------------------
static int my_sort_reverse( int *v1, int *v2 )
{
return *v2-*v1;
}
static int my_sort( int *v1, int *v2 )
{
return *v1-*v2;
}
MyListModel::MyListModel() :
#ifdef __WXMAC__
wxDataViewVirtualListModel( 1000 + 100 )
#else
wxDataViewVirtualListModel( 100000 + 100 )
#endif
{
#ifdef __WXMAC__
m_virtualItems = 1000;
#else
m_virtualItems = 100000;
#endif
unsigned int i;
for (i = 0; i < 100; i++)
{
wxString str;
str.Printf( wxT("row number %d"), i );
m_array.Add( str );
}
m_icon = wxIcon( null_xpm );
}
void MyListModel::Prepend( const wxString &text )
{
m_array.Insert( text, 0 );
RowPrepended();
}
void MyListModel::DeleteItem( const wxDataViewItem &item )
{
unsigned int row = GetRow( item );
if (row >= m_array.GetCount())
return;
m_array.RemoveAt( row );
RowDeleted( row );
}
void MyListModel::DeleteItems( const wxDataViewItemArray &items )
{
wxArrayInt rows;
unsigned int i;
for (i = 0; i < items.GetCount(); i++)
{
unsigned int row = GetRow( items[i] );
if (row < m_array.GetCount())
rows.Add( row );
}
// Sort in descending order so that the last
// row will be deleted first. Otherwise the
// remaining indeces would all be wrong.
rows.Sort( my_sort_reverse );
for (i = 0; i < rows.GetCount(); i++)
m_array.RemoveAt( rows[i] );
// This is just to test if wxDataViewCtrl can
// cope with removing rows not sorted in
// descending order
rows.Sort( my_sort );
RowsDeleted( rows );
}
void MyListModel::AddMany()
{
m_virtualItems += 1000;
Reset( m_array.GetCount() + m_virtualItems );
}
void MyListModel::GetValueByRow( wxVariant &variant,
unsigned int row, unsigned int col ) const
{
if (col==0)
{
if (row >= m_array.GetCount())
{
wxString str;
str.Printf(wxT("row %d"), row - m_array.GetCount() );
variant = str;
}
else
{
variant = m_array[ row ];
}
} else
if (col==1)
{
wxDataViewIconText data( wxT("test"), m_icon );
variant << data;
} else
if (col==2)
{
if (row >= m_array.GetCount())
variant = wxT("plain");
else
variant = wxT("blue");
}
}
bool MyListModel::GetAttrByRow( unsigned int row, unsigned int col, wxDataViewItemAttr &attr )
{
if (col != 2)
return false;
if (row < m_array.GetCount())
{
attr.SetColour( *wxBLUE );
attr.SetItalic( true );
}
return true;
}
bool MyListModel::SetValueByRow( const wxVariant &variant,
unsigned int row, unsigned int col )
{
if (col == 0)
{
if (row >= m_array.GetCount())
return false;
m_array[row] = variant.GetString();
return true;
}
return false;
}