Disable save button if nothing is loaded

Author: MaximDude

Bender.bmx

@@ -53,7 +53,7 @@ Repeat
 				Select EventSource()
 					'Loading
 					Case g_UserInterface.m_LoadButton
-						g_GraphicsOutput.LoadFile(g_FileIO.SetFileToLoad())
+						g_UserInterface.SetSaveButtonEnabled(g_GraphicsOutput.LoadFile(g_FileIO.SetFileToLoad()))
 					'Saving
 					Case g_UserInterface.m_SaveButton
 						If g_FileIO.GetSaveAsFrames() Then

types/GraphicsOutput.bmx

@@ -35,14 +35,16 @@ Type GraphicsOutput
 
 '////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-	Method LoadFile(fileToLoad:String)
+	Method LoadFile:Int(fileToLoad:String)
 		m_SourceImage = LoadImage(fileToLoad, 0)
 
 		If m_SourceImage <> Null Then
 			m_SourceImageSize = New SVec2I(m_SourceImage.Width, m_SourceImage.Height)
 			DrawImageRect(m_SourceImage, 0, 0, m_SourceImageSize[0] * m_InputZoom, m_SourceImageSize[1] * m_InputZoom) 'Draw the source image to the backbuffer so limb tiles can be created
 			m_LimbManager.CreateLimbParts(m_InputZoom, m_TileSize)
+			Return True
 		EndIf
+		Return False
 	EndMethod
 
 '////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

types/UserInterface.bmx

@@ -92,6 +92,7 @@ Type UserInterface
 
 		m_LoadButton = CreateButton("Load", horizMargin, 0, buttonSize[0], buttonSize[1], m_ButtonPanel, BUTTON_PUSH)
 		m_SaveButton = CreateButton("Save", horizMargin + buttonSize[0] + vertMargin, 0, buttonSize[0], buttonSize[1], m_ButtonPanel, BUTTON_PUSH)
+		DisableGadget(m_SaveButton)
 
 		m_SettingsPanel = CreatePanel(m_SettingsPanelAnchor[0], m_SettingsPanelAnchor[1], m_SettingsPanelSize[0], m_SettingsPanelSize[1], m_LeftColumn, PANEL_GROUP, "  Settings :  ")
 		SetGadgetLayout(m_SettingsPanel, m_SettingsPanelAnchor[0], m_SettingsPanelSize[0], m_SettingsPanelAnchor[1], m_SettingsPanelSize[1])
@@ -208,4 +209,14 @@ Type UserInterface
 	Method GetMaxWorkspaceWidth:Int()
 		Return DesktopWidth() - m_LeftColumnSize[0]
 	EndMethod
+
+'////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+	Method SetSaveButtonEnabled(enabledOrNot:Int)
+		If enabledOrNot Then
+			EnableGadget(m_SaveButton)
+		Else
+			DisableGadget(m_SaveButton)
+		EndIf
+	EndMethod
 EndType