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vgui2/dme_controls/AttributeColorPickerPanel.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "dme_controls/AttributeColorPickerPanel.h"
+#include "datamodel/dmelement.h"
+#include "vgui_controls/Button.h"
+#include "dme_controls/AttributeTextEntry.h"
+#include "matsys_controls/colorpickerpanel.h"
+#include "tier1/KeyValues.h"
+#include "dme_controls/inotifyui.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+using namespace vgui;
+
+
+//-----------------------------------------------------------------------------
+// Constructor
+//-----------------------------------------------------------------------------
+CAttributeColorPickerPanel::CAttributeColorPickerPanel( vgui::Panel *parent, const AttributeWidgetInfo_t &info ) :
+	BaseClass( parent, info )
+{
+	m_pOpen = new vgui::Button( this, "Open", "", this, "open" );
+}
+
+void CAttributeColorPickerPanel::OnCommand( char const *cmd )
+{
+	if ( !Q_stricmp( cmd, "open" ) )
+	{
+		m_InitialColor = GetAttributeValue<Color>();
+		CColorPickerFrame *pColorPickerDialog = new CColorPickerFrame( this, "Select Color" );
+		pColorPickerDialog->AddActionSignalTarget( this );
+		pColorPickerDialog->DoModal( m_InitialColor );
+	}
+	else
+	{
+		BaseClass::OnCommand( cmd );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Update button color
+//-----------------------------------------------------------------------------
+void CAttributeColorPickerPanel::UpdateButtonColor()
+{
+	Color clr = GetAttributeValue<Color>();
+	m_pOpen->SetDefaultColor( clr, clr );
+	m_pOpen->SetArmedColor( clr, clr );
+	m_pOpen->SetDepressedColor( clr, clr );
+}
+
+
+//-----------------------------------------------------------------------------
+// Used to set the current color on the picker button
+//-----------------------------------------------------------------------------
+void CAttributeColorPickerPanel::Refresh()
+{
+	BaseClass::Refresh();
+	UpdateButtonColor();
+}
+
+void CAttributeColorPickerPanel::ApplySchemeSettings(IScheme *pScheme)
+{
+	// Need to override the scheme settings for this button
+	BaseClass::ApplySchemeSettings( pScheme );
+	UpdateButtonColor();
+}
+
+
+//-----------------------------------------------------------------------------
+// Called when the picker gets a new color but apply hasn't happened yet
+//-----------------------------------------------------------------------------
+void CAttributeColorPickerPanel::OnPreview( KeyValues *data )
+{
+	{
+		CDisableUndoScopeGuard guard;
+		Color c = data->GetColor( "color" );
+		SetAttributeValue( c );
+	}
+				 
+	Refresh( );
+	if ( IsAutoApply() )
+	{
+		// NOTE: Don't call Apply since that generates an undo record
+		CElementTreeNotifyScopeGuard guard( "CAttributeColorPickerPanel::OnPreview", NOTIFY_CHANGE_ATTRIBUTE_VALUE, GetNotify() );
+	}
+	else
+	{
+		SetDirty( true );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Called when cancel is hit in the picker
+//-----------------------------------------------------------------------------
+void CAttributeColorPickerPanel::OnCancelled( )
+{
+	// Restore the initial color
+	CDisableUndoScopeGuard guard;
+	SetAttributeValue( m_InitialColor );
+	Refresh( );
+	CElementTreeNotifyScopeGuard notify( "CAttributeColorPickerPanel::OnCancelled", NOTIFY_CHANGE_ATTRIBUTE_VALUE, GetNotify() );
+	SetDirty( false );
+}
+
+
+//-----------------------------------------------------------------------------
+// Called when the picker gets a new color
+//-----------------------------------------------------------------------------
+void CAttributeColorPickerPanel::OnPicked( KeyValues *data )
+{
+	Color c = data->GetColor( "color" );
+	if ( c == m_InitialColor )
+ 	{
+		SetDirty( false );
+		return;
+	}
+
+	// Kind of an evil hack, but "undo" copies the "old value" off for doing undo, and that value is the new value because
+	//  we haven't been tracking undo while manipulating this.  So we'll turn off undo and set the value to the original value.
+
+	// In effect, all of the wheeling will drop out and it'll look just like we started at the original value and ended up at the
+	//  final value...
+	{
+		CDisableUndoScopeGuard guard;
+		SetAttributeValue( m_InitialColor );
+	}
+
+	{
+		CElementTreeUndoScopeGuard guard( NOTIFY_SETDIRTYFLAG, GetNotify(), "Set Attribute Value", "Set Attribute Value" );
+		SetAttributeValue( c );
+	}
+
+	if ( IsAutoApply() )
+	{
+		Refresh();
+		SetDirty( false );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Lays out the button position
+//-----------------------------------------------------------------------------
+void CAttributeColorPickerPanel::PerformLayout()
+{
+	BaseClass::PerformLayout();
+
+	int x, y, w, h;
+	m_pType->GetBounds( x, y, w, h );
+
+	int inset = 25;
+	m_pType->SetWide( w - inset );
+
+	x += w;
+	x -= inset;
+
+	h -= 2;
+
+	m_pOpen->SetBounds( x, y, inset, h );
+}