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1 files changed, 318 insertions, 0 deletions

diff --git a/vgui2/matsys_controls/picker.cpp b/vgui2/matsys_controls/picker.cpp
new file mode 100644
index 0000000..6362213
--- /dev/null
+++ b/vgui2/matsys_controls/picker.cpp
@@ -0,0 +1,318 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "filesystem.h"
+#include "matsys_controls/picker.h"
+#include "tier1/KeyValues.h"
+#include "vgui_controls/ListPanel.h"
+#include "vgui_controls/TextEntry.h"
+#include "vgui_controls/Button.h"
+#include "vgui/ISurface.h"
+#include "vgui/IInput.h"
+
+
+using namespace vgui;
+
+
+//-----------------------------------------------------------------------------
+//
+// Base asset Picker
+//
+//-----------------------------------------------------------------------------
+
+
+//-----------------------------------------------------------------------------
+// Sort by asset name
+//-----------------------------------------------------------------------------
+static int __cdecl PickerBrowserSortFunc( vgui::ListPanel *pPanel, const ListPanelItem &item1, const ListPanelItem &item2 )
+{
+	const char *string1 = item1.kv->GetString("choice");
+	const char *string2 = item2.kv->GetString("choice");
+	return stricmp( string1, string2 );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CPicker::CPicker( vgui::Panel *pParent, const char *pColumnHeader, const char *pTextType ) : 
+	BaseClass( pParent, "Picker" )
+{
+	m_pPickerType = pColumnHeader;
+	m_pPickerTextType = pTextType;
+
+	// FIXME: Make this an image browser
+	m_pPickerBrowser = new vgui::ListPanel( this, "Browser" );
+ 	m_pPickerBrowser->AddColumnHeader( 0, "choice", m_pPickerType, 52, 0 );
+    m_pPickerBrowser->SetSelectIndividualCells( true );
+	m_pPickerBrowser->SetEmptyListText( "Nothing to pick" );
+ 	m_pPickerBrowser->SetDragEnabled( true );
+ 	m_pPickerBrowser->AddActionSignalTarget( this );
+	m_pPickerBrowser->SetSortFunc( 0, PickerBrowserSortFunc );
+	m_pPickerBrowser->SetSortColumn( 0 );
+						 
+	// filter selection
+	m_pFilterList = new TextEntry( this, "FilterList" );
+	m_pFilterList->AddActionSignalTarget( this );
+	m_pFilterList->RequestFocus();
+
+	LoadControlSettingsAndUserConfig( "resource/picker.res" );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+CPicker::~CPicker()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPicker::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_pPickerBrowser->GetVPanel(), pMsg, GetVPanel());
+		pMsg->deleteThis();
+	}
+	else
+	{
+		BaseClass::OnKeyCodePressed( code );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: refreshes the asset list
+//-----------------------------------------------------------------------------
+void CPicker::SetStringList( const PickerList_t &list ) 
+{
+	m_Type = list.m_Type;
+	m_pPickerBrowser->RemoveAll();	
+
+	int nCount = list.Count();
+	for ( int i = 0; i < nCount; ++i )
+	{
+		const char *pPickerName = list[i].m_pChoiceString;
+		KeyValues *kv = new KeyValues( "node", "choice", pPickerName );
+		if ( m_Type == PICKER_CHOICE_STRING )
+		{
+			kv->SetString( "value", list[i].m_pChoiceValue ); 
+		}
+		else
+		{
+			kv->SetPtr( "value", list[i].m_pChoiceValuePtr ); 
+		}
+		int nItemID = m_pPickerBrowser->AddItem( kv, 0, false, false );
+
+		if ( m_Type == PICKER_CHOICE_STRING )
+		{
+			KeyValues *pDrag = new KeyValues( "drag", "text", list[i].m_pChoiceValue );
+			if ( m_pPickerTextType )
+			{
+				pDrag->SetString( "texttype", m_pPickerTextType );
+			}
+			m_pPickerBrowser->SetItemDragData( nItemID, pDrag );
+		}
+	}
+	RefreshChoiceList();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: refreshes the choice list
+//-----------------------------------------------------------------------------
+void CPicker::RefreshChoiceList( ) 
+{
+	// Check the filter matches
+	int nMatchingCount = 0;
+	int nTotalCount = 0;
+	for ( int nItemID = m_pPickerBrowser->FirstItem(); nItemID != m_pPickerBrowser->InvalidItemID(); nItemID = m_pPickerBrowser->NextItem( nItemID ) )
+	{
+		KeyValues *kv = m_pPickerBrowser->GetItem( nItemID );
+		const char *pPickerName = kv->GetString( "choice" );
+		bool bVisible = !m_Filter.Length() || Q_stristr( pPickerName, m_Filter.Get() );
+		m_pPickerBrowser->SetItemVisible( nItemID, bVisible );
+		if ( bVisible )
+		{
+			++nMatchingCount;
+		}
+		++nTotalCount;
+	}
+
+	char pColumnTitle[512];
+	Q_snprintf( pColumnTitle, sizeof(pColumnTitle), "%s (%d/%d)",
+		m_pPickerType, nMatchingCount, nTotalCount );
+	m_pPickerBrowser->SetColumnHeaderText( 0, pColumnTitle );
+
+	m_pPickerBrowser->SortList();
+	if ( ( m_pPickerBrowser->GetSelectedItemsCount() == 0 ) && ( m_pPickerBrowser->GetItemCount() > 0 ) )
+	{
+		int nItemID = m_pPickerBrowser->GetItemIDFromRow( 0 );
+		m_pPickerBrowser->SetSelectedCell( nItemID, 0 );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: refreshes dialog on text changing
+//-----------------------------------------------------------------------------
+void CPicker::OnTextChanged( )
+{
+	int nLength = m_pFilterList->GetTextLength();
+	m_Filter.SetLength( nLength );
+	if ( nLength > 0 )
+	{
+		m_pFilterList->GetText( m_Filter.GetForModify(), nLength+1 );
+	}
+	RefreshChoiceList();
+}
+
+
+//-----------------------------------------------------------------------------
+// Returns the selected string
+//-----------------------------------------------------------------------------
+PickerChoiceType_t CPicker::GetSelectionType() const
+{
+	return m_Type;
+}
+
+const char *CPicker::GetSelectedString( ) const
+{
+	if ( m_pPickerBrowser->GetSelectedItemsCount() == 0 )
+		return NULL;
+
+	if ( m_Type != PICKER_CHOICE_STRING )
+		return NULL;
+
+	int nIndex = m_pPickerBrowser->GetSelectedItem( 0 );
+	KeyValues *pItemKeyValues = m_pPickerBrowser->GetItem( nIndex );
+	return pItemKeyValues->GetString( "value" );
+}
+
+void *CPicker::GetSelectedPtr( ) const
+{
+	if ( m_pPickerBrowser->GetSelectedItemsCount() == 0 )
+		return NULL;
+
+	if ( m_Type != PICKER_CHOICE_PTR )
+		return NULL;
+
+	int nIndex = m_pPickerBrowser->GetSelectedItem( 0 );
+	KeyValues *pItemKeyValues = m_pPickerBrowser->GetItem( nIndex );
+	return pItemKeyValues->GetPtr( "value" );
+}
+
+
+//-----------------------------------------------------------------------------
+// Returns the index of the selected string
+//-----------------------------------------------------------------------------
+int CPicker::GetSelectedIndex()
+{
+	if ( m_pPickerBrowser->GetSelectedItemsCount() == 0 )
+		return -1;
+
+	return m_pPickerBrowser->GetSelectedItem( 0 );
+}
+
+	
+//-----------------------------------------------------------------------------
+//
+// Purpose: Modal picker frame
+//
+//-----------------------------------------------------------------------------
+CPickerFrame::CPickerFrame( vgui::Panel *pParent, const char *pTitle, const char *pPickerType, const char *pTextType ) : 
+	BaseClass( pParent, "PickerFrame" )
+{
+	m_pContextKeyValues = NULL;
+	SetDeleteSelfOnClose( true );
+	m_pPicker = new CPicker( this, pPickerType, pTextType );
+	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/pickerframe.res" );
+
+	SetTitle( pTitle, false );
+}
+
+CPickerFrame::~CPickerFrame()
+{
+	CleanUpMessage();
+}
+
+
+//-----------------------------------------------------------------------------
+// Deletes the message
+//-----------------------------------------------------------------------------
+void CPickerFrame::CleanUpMessage()
+{
+	if ( m_pContextKeyValues )
+	{
+		m_pContextKeyValues->deleteThis();
+		m_pContextKeyValues = NULL;
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Activate the dialog
+//-----------------------------------------------------------------------------
+void CPickerFrame::DoModal( const PickerList_t &list, KeyValues *pContextKeyValues )
+{
+	CleanUpMessage();
+	m_pContextKeyValues = pContextKeyValues;
+ 	m_pPicker->SetStringList( list );
+	BaseClass::DoModal();
+}
+
+
+//-----------------------------------------------------------------------------
+// On command
+//-----------------------------------------------------------------------------
+void CPickerFrame::OnCommand( const char *pCommand )
+{
+	if ( !Q_stricmp( pCommand, "Open" ) )
+	{
+		KeyValues *pActionKeys = new KeyValues( "Picked" );
+		pActionKeys->SetInt( "choiceIndex", m_pPicker->GetSelectedIndex( ) );
+
+		if ( m_pPicker->GetSelectionType() == PICKER_CHOICE_STRING )
+		{
+			const char *pPickerName = m_pPicker->GetSelectedString( );
+			pActionKeys->SetString( "choice", pPickerName );
+		}
+		else
+		{
+			void *pPickerPtr = m_pPicker->GetSelectedPtr( );
+			pActionKeys->SetPtr( "choice", pPickerPtr );
+		}
+
+		if ( m_pContextKeyValues )
+		{
+			pActionKeys->AddSubKey( m_pContextKeyValues );
+			m_pContextKeyValues = NULL;
+		}
+		PostActionSignal( pActionKeys );
+		CloseModal();
+		return;
+	}
+
+	if ( !Q_stricmp( pCommand, "Cancel" ) )
+	{
+		CloseModal();
+		return;
+	}
+
+	BaseClass::OnCommand( pCommand );
+}
+
+