From 12472534ec644fbffa0d15b0ab199f41abefc324 Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Fri, 22 Jul 2016 09:42:12 -0300
Subject: [PATCH] Show a warning that an animation must be selected in order to
 edit it. Avoid copying/pasting if no anim selected. Closes #5799

---
 tools/editor/animation_editor.cpp                     | 10 ++++++++++
 tools/editor/animation_editor.h                       |  2 ++
 .../editor/plugins/animation_player_editor_plugin.cpp | 11 +++++++++--
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/tools/editor/animation_editor.cpp b/tools/editor/animation_editor.cpp
index 9eb6b4013fb..aa0156b0c09 100644
--- a/tools/editor/animation_editor.cpp
+++ b/tools/editor/animation_editor.cpp
@@ -4075,12 +4075,22 @@ AnimationKeyEditor::AnimationKeyEditor() {
 	track_editor->set_h_size_flags(SIZE_EXPAND_FILL);
 
 
+
 	track_pos = memnew( Control );
 	track_pos->set_area_as_parent_rect();
 	track_pos->set_ignore_mouse(true);
 	track_editor->add_child(track_pos);
 	track_pos->connect("draw",this,"_track_pos_draw");
 
+	select_anim_warning = memnew( Label );
+	track_editor->add_child(select_anim_warning);
+	select_anim_warning->set_area_as_parent_rect();
+	select_anim_warning->set_text(TTR("Select an AnimationPlayer from the Scene Tree to edit animations."));
+	select_anim_warning->set_autowrap(true);
+	select_anim_warning->set_align(Label::ALIGN_CENTER);
+	select_anim_warning->set_valign(Label::VALIGN_CENTER);
+
+
 
 	v_scroll = memnew( VScrollBar );
 	hb->add_child(v_scroll);
diff --git a/tools/editor/animation_editor.h b/tools/editor/animation_editor.h
index 131100a205d..3078b3288ba 100644
--- a/tools/editor/animation_editor.h
+++ b/tools/editor/animation_editor.h
@@ -268,6 +268,7 @@ class AnimationKeyEditor : public VBoxContainer  {
 
 	EditorSelection *editor_selection;
 
+	Label *select_anim_warning;
 
 
 	float _get_zoom_scale() const;
@@ -343,6 +344,7 @@ public:
 	void insert_value_key(const String& p_property, const Variant& p_value, bool p_advance);
 	void insert_transform_key(Spatial *p_node,const String& p_sub,const Transform& p_xform);
 
+	void show_select_node_warning(bool p_show) { select_anim_warning->set_hidden(!p_show); }
 	AnimationKeyEditor();
 	~AnimationKeyEditor();
 };
diff --git a/tools/editor/plugins/animation_player_editor_plugin.cpp b/tools/editor/plugins/animation_player_editor_plugin.cpp
index 98ba25b482c..7dc2e6540c9 100644
--- a/tools/editor/plugins/animation_player_editor_plugin.cpp
+++ b/tools/editor/plugins/animation_player_editor_plugin.cpp
@@ -43,6 +43,7 @@ void AnimationPlayerEditor::_node_removed(Node *p_node) {
 
 		key_editor->set_animation(Ref<Animation>());
 		key_editor->set_root(NULL);
+		key_editor->show_select_node_warning(true);
 		_update_player();
 		//editor->animation_editor_make_visible(false);
 
@@ -832,6 +833,7 @@ void AnimationPlayerEditor::_update_player() {
 	remove_anim->set_disabled(animlist.size()==0);
 	resource_edit_anim->set_disabled(animlist.size()==0);
 	save_anim->set_disabled(animlist.size() == 0);
+	tool_anim->set_disabled(player==NULL);
 
 
 	int active_idx=-1;
@@ -889,9 +891,11 @@ void AnimationPlayerEditor::edit(AnimationPlayer *p_player) {
 		return; //ignore, pinned
 	player=p_player;
 
-	if (player)
+	if (player) {
 		_update_player();
-	else {
+		key_editor->show_select_node_warning(false);
+	} else {
+		key_editor->show_select_node_warning(true);
 
 //		hide();
 
@@ -1123,6 +1127,7 @@ void AnimationPlayerEditor::_hide_anim_editors() {
 
 	key_editor->set_animation(Ref<Animation>());
 	key_editor->set_root(NULL);
+	key_editor->show_select_node_warning(true);
 //		editor->animation_editor_make_visible(false);
 
 }
@@ -1531,6 +1536,8 @@ void AnimationPlayerEditorPlugin::edit(Object *p_object) {
 	if (!p_object)
 		return;
 	anim_editor->edit(p_object->cast_to<AnimationPlayer>());
+
+
 }
 
 bool AnimationPlayerEditorPlugin::handles(Object *p_object) const {