public static bool AddClipPopup(string a_rLabel, out Uni2DAnimationClip a_rAnimationClip, params GUILayoutOption[] a_rGUILayoutOptions)
{
bool bHasChanged;
// Get button control ID
int iControlID = GUIUtility.GetControlID(FocusType.Passive);
EditorGUI.BeginChangeCheck( );
{
// Get selected value for our control
// If no PopupCallbackInfo instance exists, the returned value is a_rClip
a_rAnimationClip = PopupCallbackInfo <Uni2DAnimationClip> .GetSelectedValueForControl(iControlID, null);
}
bHasChanged = EditorGUI.EndChangeCheck( );
// Create a new generic menu
// Each item menu will use AtlasPopupCallback as callback
// AtlasPopupCallback will perform the logic and save the selected atlas to
// the PopupCallbackInfo instance.
if (GUILayout.Button(a_rLabel, a_rGUILayoutOptions))
{
// Create a new popup callback info (control ID) and save it as current instance
PopupCallbackInfo <Uni2DAnimationClip> .instance = new PopupCallbackInfo <Uni2DAnimationClip>(iControlID, null);
// Create our generic menu
GenericMenu oPopupMenu = new GenericMenu( );
// "Create" special item menu
oPopupMenu.AddItem(new GUIContent("Create a new animation clip...", "Creates a new Uni2D animation clip"), false, ClipPopupCallback, "NEW");
Uni2DEditorAssetTable rAssetTable = Uni2DEditorAssetTable.Instance;
// List all available atlases
Dictionary <string, string> oAvailableAnimationClips = rAssetTable.GetAllClipNames( );
if (oAvailableAnimationClips.Count != 0)
{
oPopupMenu.AddSeparator("");
// Add an item menu for each ready to use atlas
foreach (KeyValuePair <string, string> rAnimationClipNameGUIDPair in oAvailableAnimationClips)
{
oPopupMenu.AddItem(new GUIContent(rAnimationClipNameGUIDPair.Value), false, ClipPopupCallback, rAnimationClipNameGUIDPair.Key);
}
}
// Finally show up the menu
oPopupMenu.ShowAsContext( );
}
return(bHasChanged);
}