Method makePasteMenu

core/tree.go:1347–1375

makePasteMenu makes the menu of options for paste events Optional function is typically the DropFinalize but could also be other actions to take after each optional action.

(m *Scene, md mimedata.Mimes, fun func())

// Optional function is typically the DropFinalize but could also be other actions
// to take after each optional action.
func (tr *Tree) makePasteMenu(m *Scene, md mimedata.Mimes, fun func()) {
	NewButton(m).SetText("Assign To").OnClick(func(e events.Event) {
		tr.pasteAssign(md)
		if fun != nil {
			fun()
		}
	})
	NewButton(m).SetText("Add to Children").OnClick(func(e events.Event) {
		tr.pasteChildren(md, events.DropCopy)
		if fun != nil {
			fun()
		}
	})
	if !tr.IsRoot("") && tr.root.This != tr.This {
		NewButton(m).SetText("Insert Before").OnClick(func(e events.Event) {
			tr.pasteBefore(md, events.DropCopy)
			if fun != nil {
				fun()
			}
		})
		NewButton(m).SetText("Insert After").OnClick(func(e events.Event) {
			tr.pasteAfter(md, events.DropCopy)
			if fun != nil {
				fun()
			}
		})
	}
	NewButton(m).SetText("Cancel")
}

// pasteAssign assigns mime data (only the first one!) to this node
func (tr *Tree) pasteAssign(md mimedata.Mimes) {