source-engine/vgui2/dme_controls/dmepicker.cpp

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#include "dme_controls/DmePicker.h"
#include "tier1/KeyValues.h"
#include "vgui_controls/TextEntry.h"
#include "vgui_controls/ListPanel.h"
#include "vgui_controls/Button.h"
#include "datamodel/dmelement.h"
#include "vgui/ISurface.h"
#include "vgui/iinput.h"
#include "dme_controls/dmecontrols_utils.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
using namespace vgui;
//-----------------------------------------------------------------------------
//
// Dme Picker
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Sort by MDL name
//-----------------------------------------------------------------------------
static int __cdecl DmeBrowserSortFunc( vgui::ListPanel *pPanel, const ListPanelItem &item1, const ListPanelItem &item2 )
{
const char *string1 = item1.kv->GetString("dme");
const char *string2 = item2.kv->GetString("dme");
return stricmp( string1, string2 );
}
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
CDmePicker::CDmePicker( vgui::Panel *pParent ) : BaseClass( pParent, "DmePicker" )
{
// FIXME: Make this an image browser
m_pDmeBrowser = new vgui::ListPanel( this, "DmeBrowser" );
m_pDmeBrowser->AddColumnHeader( 0, "dme", "Dme Elements", 52, 0 );
m_pDmeBrowser->SetSelectIndividualCells( true );
m_pDmeBrowser->SetEmptyListText( "No Dme Elements" );
m_pDmeBrowser->SetDragEnabled( true );
m_pDmeBrowser->AddActionSignalTarget( this );
m_pDmeBrowser->SetSortFunc( 0, DmeBrowserSortFunc );
m_pDmeBrowser->SetSortColumn( 0 );
// filter selection
m_pFilterList = new TextEntry( this, "FilterList" );
m_pFilterList->AddActionSignalTarget( this );
m_pFilterList->RequestFocus();
LoadControlSettingsAndUserConfig( "resource/dmepicker.res" );
}
//-----------------------------------------------------------------------------
// Purpose: Destructor
//-----------------------------------------------------------------------------
CDmePicker::~CDmePicker()
{
}
//-----------------------------------------------------------------------------
// Purpose: called to open
//-----------------------------------------------------------------------------
void CDmePicker::Activate( const CUtlVector< DmePickerInfo_t >&vec )
{
m_pDmeBrowser->RemoveAll();
int nCount = vec.Count();
for ( int i = 0; i < nCount; ++i )
{
CDmElement *pElement = GetElement<CDmElement>( vec[i].m_hElement );
const char *pElementName = pElement ? pElement->GetName() : "<null element>";
const char *pItemName = vec[i].m_pChoiceString ? vec[i].m_pChoiceString : pElementName;
KeyValues *kv = new KeyValues( "node", "dme", pItemName );
kv->SetInt( "dmeHandle", vec[i].m_hElement );
int nItemID = m_pDmeBrowser->AddItem( kv, 0, false, false );
KeyValues *pDrag = new KeyValues( "drag", "text", pElementName );
pDrag->SetString( "texttype", "dmeName" );
pDrag->SetInt( "dmeelement", vec[i].m_hElement );
m_pDmeBrowser->SetItemDragData( nItemID, pDrag );
}
RefreshDmeList();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CDmePicker::OnKeyCodePressed( KeyCode code )
{
if (( code == KEY_UP ) || ( code == KEY_DOWN ) || ( code == KEY_PAGEUP ) || ( code == KEY_PAGEDOWN ))
{
KeyValues *pMsg = new KeyValues("KeyCodePressed", "code", code);
vgui::ipanel()->SendMessage( m_pDmeBrowser->GetVPanel(), pMsg, GetVPanel());
pMsg->deleteThis();
}
else
{
BaseClass::OnKeyCodePressed( code );
}
}
//-----------------------------------------------------------------------------
// Purpose: refreshes the file list
//-----------------------------------------------------------------------------
void CDmePicker::RefreshDmeList()
{
// Check the filter matches
int nMatchingElements = 0;
int nTotalCount = 0;
for ( int nItemID = m_pDmeBrowser->FirstItem(); nItemID != m_pDmeBrowser->InvalidItemID(); nItemID = m_pDmeBrowser->NextItem( nItemID ) )
{
KeyValues *kv = m_pDmeBrowser->GetItem( nItemID );
const char *pElementName = kv->GetString( "dme" );
bool bIsVisible = !m_Filter.Length() || Q_stristr( pElementName, m_Filter.Get() );
m_pDmeBrowser->SetItemVisible( nItemID, bIsVisible );
if ( bIsVisible )
{
++nMatchingElements;
}
++nTotalCount;
}
m_pDmeBrowser->SortList();
char pColumnTitle[512];
Q_snprintf( pColumnTitle, sizeof(pColumnTitle), "%s (%d/%d)",
"Dme Elements", nMatchingElements, nTotalCount );
m_pDmeBrowser->SetColumnHeaderText( 0, pColumnTitle );
if ( ( m_pDmeBrowser->GetItemCount() > 0 ) && ( m_pDmeBrowser->GetSelectedItemsCount() == 0 ) )
{
int nItemID = m_pDmeBrowser->GetItemIDFromRow( 0 );
m_pDmeBrowser->SetSelectedCell( nItemID, 0 );
}
}
//-----------------------------------------------------------------------------
// Purpose: refreshes dialog on text changing
//-----------------------------------------------------------------------------
void CDmePicker::OnTextChanged( )
{
int nLength = m_pFilterList->GetTextLength();
m_Filter.SetLength( nLength );
if ( nLength > 0 )
{
m_pFilterList->GetText( m_Filter.GetForModify(), nLength+1 );
}
RefreshDmeList();
}
//-----------------------------------------------------------------------------
// Returns the selceted model name
//-----------------------------------------------------------------------------
CDmElement *CDmePicker::GetSelectedDme( )
{
if ( m_pDmeBrowser->GetSelectedItemsCount() == 0 )
return NULL;
int nIndex = m_pDmeBrowser->GetSelectedItem( 0 );
KeyValues *pItemKeyValues = m_pDmeBrowser->GetItem( nIndex );
return GetElementKeyValue< CDmElement >( pItemKeyValues, "dmeHandle" );
}
//-----------------------------------------------------------------------------
//
// Purpose: Modal picker frame
//
//-----------------------------------------------------------------------------
CDmePickerFrame::CDmePickerFrame( vgui::Panel *pParent, const char *pTitle ) :
BaseClass( pParent, "DmePickerFrame" )
{
m_pContextKeyValues = NULL;
SetDeleteSelfOnClose( true );
m_pPicker = new CDmePicker( this );
m_pPicker->AddActionSignalTarget( this );
m_pOpenButton = new Button( this, "OpenButton", "#FileOpenDialog_Open", this, "Open" );
m_pCancelButton = new Button( this, "CancelButton", "#FileOpenDialog_Cancel", this, "Cancel" );
SetBlockDragChaining( true );
LoadControlSettingsAndUserConfig( "resource/dmepickerframe.res" );
SetTitle( pTitle, false );
}
CDmePickerFrame::~CDmePickerFrame()
{
CleanUpMessage();
}
//-----------------------------------------------------------------------------
// Deletes the message
//-----------------------------------------------------------------------------
void CDmePickerFrame::CleanUpMessage()
{
if ( m_pContextKeyValues )
{
m_pContextKeyValues->deleteThis();
m_pContextKeyValues = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose: Activate the dialog
//-----------------------------------------------------------------------------
void CDmePickerFrame::DoModal( const CUtlVector< DmePickerInfo_t >& vec, KeyValues *pKeyValues )
{
CleanUpMessage();
m_pContextKeyValues = pKeyValues;
m_pPicker->Activate( vec );
m_pOpenButton->SetEnabled( vec.Count() != 0 );
BaseClass::DoModal();
}
//-----------------------------------------------------------------------------
// On command
//-----------------------------------------------------------------------------
void CDmePickerFrame::OnCommand( const char *pCommand )
{
if ( !Q_stricmp( pCommand, "Open" ) )
{
CDmElement *pElement = m_pPicker->GetSelectedDme( );
KeyValues *pActionKeys = new KeyValues( "DmeSelected" );
SetElementKeyValue( pActionKeys, "dme", pElement );
if ( m_pContextKeyValues )
{
pActionKeys->AddSubKey( m_pContextKeyValues );
// This prevents them from being deleted later
m_pContextKeyValues = NULL;
}
PostActionSignal( pActionKeys );
CloseModal();
return;
}
if ( !Q_stricmp( pCommand, "Cancel" ) )
{
KeyValues *pActionKeys = new KeyValues( "DmeSelectionCancelled" );
if ( m_pContextKeyValues )
{
pActionKeys->AddSubKey( m_pContextKeyValues );
// This prevents them from being deleted later
m_pContextKeyValues = NULL;
}
PostActionSignal( pActionKeys );
CloseModal();
return;
}
BaseClass::OnCommand( pCommand );
}