text: /*************************************************************************/
  /*  sample_editor_plugin.h                                               */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #ifndef SAMPLE_EDITOR_PLUGIN_H
  #define SAMPLE_EDITOR_PLUGIN_H
  
  #include "editor/editor_node.h"
  #include "editor/editor_plugin.h"
  #include "scene/audio/sample_player.h"
  #include "scene/resources/sample.h"
  #include "scene/resources/sample_library.h"
  
  class SampleEditor : public Panel {
  
  	OBJ_TYPE(SampleEditor, Panel);
  
  	SamplePlayer *player;
  	Label *info_label;
  	Ref<ImageTexture> peakdisplay;
  	Ref<Sample> sample;
  	Ref<SampleLibrary> library;
  	TextureFrame *sample_texframe;
  	Button *stop;
  	Button *play;
  
  	void _play_pressed();
  	void _stop_pressed();
  	void _update_sample();
  
  protected:
  	void _notification(int p_what);
  	void _input_event(InputEvent p_event);
  	static void _bind_methods();
  
  public:
  	static void generate_preview_texture(const Ref<Sample> &p_sample, Ref<ImageTexture> &p_texture);
  	void edit(Ref<Sample> p_sample);
  	SampleEditor();
  };
  
  class SampleEditorPlugin : public EditorPlugin {
  
  	OBJ_TYPE(SampleEditorPlugin, EditorPlugin);
  
  	SampleEditor *sample_editor;
  	EditorNode *editor;
  
  public:
  	virtual String get_name() const { return "Sample"; }
  	bool has_main_screen() const { return false; }
  	virtual void edit(Object *p_node);
  	virtual bool handles(Object *p_node) const;
  	virtual void make_visible(bool p_visible);
  
  	SampleEditorPlugin(EditorNode *p_node);
  	~SampleEditorPlugin();
  };
  
  #endif // SAMPLE_EDITOR_PLUGIN_H
  