wxWidgets/samples/widgets/filectrl.cpp
Vadim Zeitlin 6305f044a1 Add "filter changed" event to wxFileCtrl.
Generate an event when the selection in the filter combobox of wxFileCtrl
changes.

Closes #12099.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64429 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2010-05-29 10:35:47 +00:00

329 lines
10 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Program: wxWidgets Widgets Sample
// Name: filectrl.cpp
// Purpose: Part of the widgets sample showing wxFileCtrl
// Author: Diaa M. Sami
// Created: 28 Jul 2007
// Id: $Id$
// Copyright: (c) 2007 Diaa M. Sami
// License: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// for compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_FILECTRL
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/filectrl.h"
#include "wx/wupdlock.h"
#include "wx/filename.h"
#include "widgets.h"
// TODO change this
#include "icons/dirctrl.xpm"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// control ids
enum
{
FileCtrlPage_Reset = wxID_HIGHEST,
FileCtrlPage_SetDirectory,
FileCtrlPage_SetPath,
FileCtrlPage_SetFilename,
FileCtrlPage_Ctrl
};
enum
{
FileCtrlMode_Open = 0,
FileCtrlMode_Save
};
// ----------------------------------------------------------------------------
// CheckBoxWidgetsPage
// ----------------------------------------------------------------------------
class FileCtrlWidgetsPage : public WidgetsPage
{
public:
FileCtrlWidgetsPage( WidgetsBookCtrl *book, wxImageList *imaglist );
virtual ~FileCtrlWidgetsPage() {}
virtual wxControl *GetWidget() const { return /*m_fileCtrl*/NULL; }
virtual void RecreateWidget() { CreateFileCtrl(); }
// lazy creation of the content
virtual void CreateContent();
protected:
// event handlers
void OnButtonSetDirectory( wxCommandEvent& event );
void OnButtonSetPath( wxCommandEvent& event );
void OnButtonSetFilename( wxCommandEvent& event );
void OnButtonReset( wxCommandEvent& event );
void OnCheckBox( wxCommandEvent& event );
void OnRadioBox( wxCommandEvent& event );
void OnFileCtrl( wxFileCtrlEvent& event );
// reset the control parameters
void Reset();
// (re)create the m_fileCtrl
void CreateFileCtrl();
// the controls
// ------------
// the control itself and the sizer it is in
wxFileCtrl *m_fileCtrl;
// the text entries for command parameters
wxTextCtrl *m_dir;
wxTextCtrl *m_path;
wxTextCtrl *m_filename;
// flags
wxCheckBox *m_chkMultiple,
*m_chkNoShowHidden;
wxRadioBox *m_radioFileCtrlMode;
// filters
wxCheckBox *m_fltr[3];
private:
DECLARE_EVENT_TABLE()
DECLARE_WIDGETS_PAGE( FileCtrlWidgetsPage )
};
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE( FileCtrlWidgetsPage, WidgetsPage )
EVT_BUTTON( FileCtrlPage_Reset, FileCtrlWidgetsPage::OnButtonReset )
EVT_BUTTON( FileCtrlPage_SetDirectory, FileCtrlWidgetsPage::OnButtonSetDirectory )
EVT_BUTTON( FileCtrlPage_SetPath, FileCtrlWidgetsPage::OnButtonSetPath )
EVT_BUTTON( FileCtrlPage_SetFilename, FileCtrlWidgetsPage::OnButtonSetFilename )
EVT_CHECKBOX( wxID_ANY, FileCtrlWidgetsPage::OnCheckBox )
EVT_RADIOBOX( wxID_ANY, FileCtrlWidgetsPage::OnRadioBox )
EVT_FILECTRL_FILTERCHANGED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
EVT_FILECTRL_FOLDERCHANGED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
EVT_FILECTRL_SELECTIONCHANGED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
EVT_FILECTRL_FILEACTIVATED( wxID_ANY, FileCtrlWidgetsPage::OnFileCtrl )
END_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
#if defined(__WXGTK__)
#define FAMILY_CTRLS NATIVE_CTRLS
#else
#define FAMILY_CTRLS GENERIC_CTRLS
#endif
IMPLEMENT_WIDGETS_PAGE( FileCtrlWidgetsPage, wxT( "FileCtrl" ),
FAMILY_CTRLS );
FileCtrlWidgetsPage::FileCtrlWidgetsPage( WidgetsBookCtrl *book,
wxImageList *imaglist )
: WidgetsPage( book, imaglist, dirctrl_xpm )
{
}
void FileCtrlWidgetsPage::CreateContent()
{
wxSizer *sizerTop = new wxBoxSizer( wxHORIZONTAL );
// left pane
wxSizer *sizerLeft = new wxBoxSizer( wxVERTICAL );
static const wxString mode[] = { wxT( "open" ), wxT( "save" ) };
m_radioFileCtrlMode = new wxRadioBox( this, wxID_ANY, wxT( "wxFileCtrl mode" ),
wxDefaultPosition, wxDefaultSize,
WXSIZEOF( mode ), mode );
sizerLeft->Add( m_radioFileCtrlMode,
0, wxALL | wxEXPAND , 5 );
sizerLeft->Add( CreateSizerWithTextAndButton( FileCtrlPage_SetDirectory , wxT( "Set &directory" ), wxID_ANY, &m_dir ),
0, wxALL | wxEXPAND , 5 );
sizerLeft->Add( CreateSizerWithTextAndButton( FileCtrlPage_SetPath , wxT( "Set &path" ), wxID_ANY, &m_path ),
0, wxALL | wxEXPAND , 5 );
sizerLeft->Add( CreateSizerWithTextAndButton( FileCtrlPage_SetFilename , wxT( "Set &filename" ), wxID_ANY, &m_filename ),
0, wxALL | wxEXPAND , 5 );
wxSizer *sizerUseFlags =
new wxStaticBoxSizer( wxVERTICAL, this, wxT( "&Flags" ) );
m_chkMultiple = CreateCheckBoxAndAddToSizer( sizerUseFlags, wxT( "wxFC_MULTIPLE" ) );
m_chkNoShowHidden = CreateCheckBoxAndAddToSizer( sizerUseFlags, wxT( "wxFC_NOSHOWHIDDEN" ) );
sizerLeft->Add( sizerUseFlags, wxSizerFlags().Expand().Border() );
wxSizer *sizerFilters =
new wxStaticBoxSizer( wxVERTICAL, this, wxT( "&Filters" ) );
m_fltr[0] = CreateCheckBoxAndAddToSizer( sizerFilters, wxString::Format( wxT( "all files (%s)|%s" ),
wxFileSelectorDefaultWildcardStr, wxFileSelectorDefaultWildcardStr ) );
m_fltr[1] = CreateCheckBoxAndAddToSizer( sizerFilters, wxT( "C++ files (*.cpp; *.h)|*.cpp;*.h" ) );
m_fltr[2] = CreateCheckBoxAndAddToSizer( sizerFilters, wxT( "PNG images (*.png)|*.png" ) );
sizerLeft->Add( sizerFilters, wxSizerFlags().Expand().Border() );
wxButton *btn = new wxButton( this, FileCtrlPage_Reset, wxT( "&Reset" ) );
sizerLeft->Add( btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15 );
// right pane
m_fileCtrl = new wxFileCtrl(
this,
FileCtrlPage_Ctrl,
wxEmptyString,
wxEmptyString,
wxEmptyString,
wxFC_OPEN,
wxDefaultPosition,
wxDefaultSize
);
// the 3 panes panes compose the window
sizerTop->Add( sizerLeft, 0, ( wxALL & ~wxLEFT ), 10 );
sizerTop->Add( m_fileCtrl, 1, wxGROW | ( wxALL & ~wxRIGHT ), 10 );
// final initializations
Reset();
SetSizer( sizerTop );
}
void FileCtrlWidgetsPage::Reset()
{
m_dir->SetValue( m_fileCtrl->GetDirectory() );
m_radioFileCtrlMode->SetSelection( ( wxFC_DEFAULT_STYLE & wxFC_OPEN ) ?
FileCtrlMode_Open : FileCtrlMode_Save );
}
void FileCtrlWidgetsPage::CreateFileCtrl()
{
wxWindowUpdateLocker noUpdates( this );
const int style =
( m_radioFileCtrlMode->GetSelection() == FileCtrlMode_Open ?
wxFC_OPEN : wxFC_SAVE ) |
( m_chkMultiple->IsChecked() ? wxFC_MULTIPLE : 0 ) |
( m_chkNoShowHidden->IsChecked() ? wxFC_NOSHOWHIDDEN : 0 );
wxFileCtrl *fileCtrl = new wxFileCtrl(
this,
FileCtrlPage_Ctrl,
wxEmptyString,
wxEmptyString,
wxEmptyString,
style,
wxDefaultPosition,
wxDefaultSize
);
wxString wildcard;
for ( unsigned int i = 0; i < WXSIZEOF( m_fltr ); ++i )
{
if ( m_fltr[i]->IsChecked() )
{
if ( !wildcard.IsEmpty() )
wildcard += wxT( "|" );
wildcard += m_fltr[i]->GetLabel();
}
}
fileCtrl->SetWildcard( wildcard );
// update sizer's child window
GetSizer()->Replace( m_fileCtrl, fileCtrl, true );
// update our pointer
delete m_fileCtrl;
m_fileCtrl = fileCtrl;
// relayout the sizer
GetSizer()->Layout();
}
// ----------------------------------------------------------------------------
// event handlers
// ----------------------------------------------------------------------------
void FileCtrlWidgetsPage::OnButtonSetDirectory( wxCommandEvent& WXUNUSED( event ) )
{
m_fileCtrl->SetDirectory( m_dir->GetValue() );
}
void FileCtrlWidgetsPage::OnButtonSetPath( wxCommandEvent& WXUNUSED( event ) )
{
m_fileCtrl->SetPath( m_path->GetValue() );
}
void FileCtrlWidgetsPage::OnButtonSetFilename( wxCommandEvent& WXUNUSED( event ) )
{
m_fileCtrl->SetFilename( m_filename->GetValue() );
}
void FileCtrlWidgetsPage::OnButtonReset( wxCommandEvent& WXUNUSED( event ) )
{
Reset();
CreateFileCtrl();
}
void FileCtrlWidgetsPage::OnCheckBox( wxCommandEvent& WXUNUSED( event ) )
{
CreateFileCtrl();
}
void FileCtrlWidgetsPage::OnRadioBox( wxCommandEvent& WXUNUSED( event ) )
{
CreateFileCtrl();
}
void FileCtrlWidgetsPage::OnFileCtrl( wxFileCtrlEvent& event )
{
if ( event.GetEventType() == wxEVT_FILECTRL_FOLDERCHANGED )
{
wxLogMessage("Folder changed event, new folder: %s", event.GetDirectory());
}
else if ( event.GetEventType() == wxEVT_FILECTRL_FILEACTIVATED )
{
wxLogMessage("File activated event: %s", wxJoin(event.GetFiles(), ' '));
}
else if ( event.GetEventType() == wxEVT_FILECTRL_SELECTIONCHANGED )
{
wxLogMessage("Selection changed event: %s", wxJoin(event.GetFiles(), ' '));
}
else if ( event.GetEventType() == wxEVT_FILECTRL_FILTERCHANGED )
{
wxLogMessage("Filter changed event: filter %d selected",
event.GetFilterIndex() + 1);
}
}
#endif // wxUSE_FILECTRL