/*************************************************************************/
/*  animation_tree_editor_plugin.cpp                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* 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.                */
/*************************************************************************/
#include "animation_tree_editor_plugin.h"

#include "scene/gui/menu_button.h"
#include "scene/gui/panel.h"
#include "scene/main/viewport.h"
#include "core/io/resource_loader.h"
#include "core/globals.h"
#include "os/input.h"
#include "os/keyboard.h"

void AnimationTreeEditor::edit(AnimationTreePlayer* p_anim_tree) {


	anim_tree=p_anim_tree;

	if (!anim_tree) {
		hide();
	} else {
		order.clear();
		p_anim_tree->get_node_list(&order);
		/*
		for(List<StringName>::Element* E=order.front();E;E=E->next()) {

			if (E->get() >= (int)last_id)
				last_id=E->get()+1;
		}*/
		play_button->set_pressed(p_anim_tree->is_active());
		//read the orders
	}

}

Size2 AnimationTreeEditor::_get_maximum_size() {

	Size2 max;

	for(List<StringName>::Element *E=order.front();E;E=E->next()) {

		Point2 pos = anim_tree->node_get_pos(E->get());

		if (click_type==CLICK_NODE && click_node==E->get()) {

			pos+=click_motion-click_pos;
		}
		pos+=get_node_size(E->get());
		if (pos.x>max.x)
			max.x=pos.x;
		if (pos.y>max.y)
			max.y=pos.y;

	}

	return max;
}


const char* AnimationTreeEditor::_node_type_names[]={"Output","Animation","OneShot","Mix","Blend2","Blend3","Blend4","TimeScale","TimeSeek","Transition"};

Size2 AnimationTreeEditor::get_node_size(const StringName& p_node) const {

	AnimationTreePlayer::NodeType type=anim_tree->node_get_type(p_node);

	Ref<StyleBox> style = get_stylebox("panel","PopupMenu");
	Ref<Font> font = get_font("font","PopupMenu");

	Size2 size = style->get_minimum_size();

	int count=2; // title and name
	int inputs = anim_tree->node_get_input_count(p_node);
	count += inputs?inputs:1;
	String name = p_node;


	float name_w = font->get_string_size( name ).width;
	float type_w = font->get_string_size( String(_node_type_names[type]) ).width;
	float max_w=MAX(name_w,type_w);



	switch(type) {
		case AnimationTreePlayer::NODE_TIMESEEK:
		case AnimationTreePlayer::NODE_OUTPUT: {} break;
		case AnimationTreePlayer::NODE_ANIMATION:
		case AnimationTreePlayer::NODE_ONESHOT:
		case AnimationTreePlayer::NODE_MIX:
		case AnimationTreePlayer::NODE_BLEND2:
		case AnimationTreePlayer::NODE_BLEND3:
		case AnimationTreePlayer::NODE_BLEND4:
		case AnimationTreePlayer::NODE_TIMESCALE:
		case AnimationTreePlayer::NODE_TRANSITION: {


			size.height+=font->get_height();
		} break;
		case AnimationTreePlayer::NODE_MAX: {}
	}

	size.x+=max_w+20;
	size.y+=count*(font->get_height()+get_constant("vseparation","PopupMenu"));

	return size;
}


void AnimationTreeEditor::_edit_dialog_changede(String) {

	edit_dialog->hide();
}

void AnimationTreeEditor::_edit_dialog_changeds(String s) {

	_edit_dialog_changed();
}

void AnimationTreeEditor::_edit_dialog_changedf(float) {

	_edit_dialog_changed();
}

void AnimationTreeEditor::_edit_dialog_changed() {

	if (updating_edit)
		return;

	if (renaming_edit) {

		if (anim_tree->node_rename(edited_node,edit_line[0]->get_text())==OK) {
			for(List<StringName>::Element* E=order.front();E;E=E->next()) {

				if (E->get() == edited_node)
					E->get()=edit_line[0]->get_text();
			}
			edited_node=edit_line[0]->get_text();
		}
		update();
		return;
	}

	AnimationTreePlayer::NodeType type=anim_tree->node_get_type(edited_node);

	switch(type) {

		 case AnimationTreePlayer::NODE_TIMESCALE:
			anim_tree->timescale_node_set_scale(edited_node,edit_line[0]->get_text().to_double());
			break;
		 case AnimationTreePlayer::NODE_ONESHOT:
			anim_tree->oneshot_node_set_fadein_time(edited_node,edit_line[0]->get_text().to_double());
			anim_tree->oneshot_node_set_fadeout_time(edited_node,edit_line[1]->get_text().to_double());
			anim_tree->oneshot_node_set_autorestart_delay(edited_node,edit_line[2]->get_text().to_double());
			anim_tree->oneshot_node_set_autorestart_random_delay(edited_node,edit_line[3]->get_text().to_double());
			anim_tree->oneshot_node_set_autorestart(edited_node,edit_check->is_pressed());
			anim_tree->oneshot_node_set_mix_mode(edited_node,edit_option->get_selected());

			break;

		 case AnimationTreePlayer::NODE_MIX:

			anim_tree->mix_node_set_amount(edited_node,edit_scroll[0]->get_value());
			 break;
		 case AnimationTreePlayer::NODE_BLEND2:
			 anim_tree->blend2_node_set_amount(edited_node,edit_scroll[0]->get_value());

			 break;

		 case AnimationTreePlayer::NODE_BLEND3:
			 anim_tree->blend3_node_set_amount(edited_node,edit_scroll[0]->get_value());

			 break;
		case AnimationTreePlayer::NODE_BLEND4:

			 anim_tree->blend4_node_set_amount(edited_node,Point2(edit_scroll[0]->get_value(),edit_scroll[1]->get_value()));

			break;

		 case AnimationTreePlayer::NODE_TRANSITION: {
			 anim_tree->transition_node_set_xfade_time(edited_node,edit_line[0]->get_text().to_double());
			 if (anim_tree->transition_node_get_current(edited_node)!=edit_option->get_selected())
				anim_tree->transition_node_set_current(edited_node,edit_option->get_selected());
		} break;
		default: {}
	}

}

void AnimationTreeEditor::_edit_dialog_animation_changed() {


	Ref<Animation> anim = property_editor->get_variant().operator RefPtr();
	anim_tree->animation_node_set_animation(edited_node,anim);
	update();
}

void AnimationTreeEditor::_edit_dialog_edit_animation() {

	if (get_tree()->is_editor_hint()) {
		get_tree()->get_root()->get_child(0)->call("_resource_selected", property_editor->get_variant().operator RefPtr());
	};
};

void AnimationTreeEditor::_edit_oneshot_start() {

	anim_tree->oneshot_node_start(edited_node);
}

void AnimationTreeEditor::_play_toggled() {

	anim_tree->set_active(play_button->is_pressed());
}


void AnimationTreeEditor::_master_anim_menu_item(int p_item) {

	if(p_item == 0) _edit_filters();
	else {

		String str = master_anim_popup->get_item_text(p_item);
		anim_tree->animation_node_set_master_animation(edited_node,str);
	}
	update();
}

void AnimationTreeEditor::_popup_edit_dialog() {

	updating_edit=true;

	for(int i=0;i<2;i++)
		edit_scroll[i]->hide();

	for(int i=0;i<4;i++) {

		edit_line[i]->hide();
		edit_label[i]->hide();
	}

	edit_option->hide();
	edit_button->hide();;
	filter_button->hide();
	edit_check->hide();;

	Point2 pos = anim_tree->node_get_pos(edited_node)-Point2(h_scroll->get_value(),v_scroll->get_value());
	Ref<StyleBox> style = get_stylebox("panel","PopupMenu");
	Size2 size = get_node_size(edited_node);
	Point2 popup_pos( pos.x+style->get_margin(MARGIN_LEFT), pos.y+size.y-style->get_margin(MARGIN_BOTTOM));
	popup_pos+=get_global_pos();

	if (renaming_edit) {

		edit_label[0]->set_text(TTR("New name:"));
		edit_label[0]->set_pos(Point2(5,5));
		edit_label[0]->show();
		edit_line[0]->set_begin(Point2(15,25));
		edit_line[0]->set_text(edited_node);
		edit_line[0]->show();
		edit_dialog->set_size(Size2(150,50));

	} else {

		AnimationTreePlayer::NodeType type=anim_tree->node_get_type(edited_node);


		switch(type) {

			case AnimationTreePlayer::NODE_ANIMATION:

				if (anim_tree->get_master_player()!=NodePath() && anim_tree->has_node(anim_tree->get_master_player())  && anim_tree->get_node(anim_tree->get_master_player())->cast_to<AnimationPlayer>()) {

					AnimationPlayer *ap = anim_tree->get_node(anim_tree->get_master_player())->cast_to<AnimationPlayer>();
					master_anim_popup->clear();
					master_anim_popup->add_item("Edit Filters");
					master_anim_popup->add_separator();
					List<StringName> sn;
					ap->get_animation_list(&sn);
					sn.sort_custom<StringName::AlphCompare>();
					for (List<StringName>::Element *E=sn.front();E;E=E->next()) {
						master_anim_popup->add_item(E->get());
					}

					master_anim_popup->set_pos(popup_pos);
					master_anim_popup->popup();
				} else {
					property_editor->edit(this,"",Variant::OBJECT,anim_tree->animation_node_get_animation(edited_node),PROPERTY_HINT_RESOURCE_TYPE,"Animation");
					property_editor->set_pos(popup_pos);
					property_editor->popup();
					updating_edit=false;
				}
				return;
			 case AnimationTreePlayer::NODE_TIMESCALE:
				edit_label[0]->set_text(TTR("Scale:"));
				edit_label[0]->set_pos(Point2(5,5));
				edit_label[0]->show();
				edit_line[0]->set_begin(Point2(15,25));
				edit_line[0]->set_text(rtos(anim_tree->timescale_node_get_scale(edited_node)));
				edit_line[0]->show();
				edit_dialog->set_size(Size2(150,50));
				break;
			 case AnimationTreePlayer::NODE_ONESHOT:
				edit_label[0]->set_text(TTR("Fade In (s):"));
				edit_label[0]->set_pos(Point2(5,5));
				edit_label[0]->show();
				edit_line[0]->set_begin(Point2(15,25));
				edit_line[0]->set_text(rtos(anim_tree->oneshot_node_get_fadein_time(edited_node)));
				edit_line[0]->show();
				edit_label[1]->set_text(TTR("Fade Out (s):"));
				edit_label[1]->set_pos(Point2(5,55));
				edit_label[1]->show();
				edit_line[1]->set_begin(Point2(15,75));
				edit_line[1]->set_text(rtos(anim_tree->oneshot_node_get_fadeout_time(edited_node)));
				edit_line[1]->show();

				edit_option->clear();
				edit_option->add_item(TTR("Blend"),0);
				edit_option->add_item(TTR("Mix"),1);
				edit_option->set_begin(Point2(15,105));

				edit_option->select( anim_tree->oneshot_node_get_mix_mode(edited_node));
				edit_option->show();

				edit_check->set_text(TTR("Auto Restart:"));
				edit_check->set_begin(Point2(15,125));
				edit_check->set_pressed(anim_tree->oneshot_node_has_autorestart(edited_node));
				edit_check->show();

				edit_label[2]->set_text(TTR("Restart (s):"));
				edit_label[2]->set_pos(Point2(5,145));
				edit_label[2]->show();
				edit_line[2]->set_begin(Point2(15,165));
				edit_line[2]->set_text(rtos(anim_tree->oneshot_node_get_autorestart_delay(edited_node)));
				edit_line[2]->show();
				edit_label[3]->set_text(TTR("Random Restart (s):"));
				edit_label[3]->set_pos(Point2(5,195));
				edit_label[3]->show();
				edit_line[3]->set_begin(Point2(15,215));
				edit_line[3]->set_text(rtos(anim_tree->oneshot_node_get_autorestart_random_delay(edited_node)));
				edit_line[3]->show();

				filter_button->set_begin(Point2(10,245));
				filter_button->show();

				edit_button->set_begin(Point2(10,268));
				edit_button->set_text(TTR("Start!"));

				edit_button->show();

				edit_dialog->set_size(Size2(180,293));

				break;

			 case AnimationTreePlayer::NODE_MIX:

				 edit_label[0]->set_text(TTR("Amount:"));
				 edit_label[0]->set_pos(Point2(5,5));
				 edit_label[0]->show();
				 edit_scroll[0]->set_min(0);
				 edit_scroll[0]->set_max(1);
				 edit_scroll[0]->set_value(anim_tree->mix_node_get_amount(edited_node));
				 edit_scroll[0]->set_begin(Point2(15,25));
				 edit_scroll[0]->show();
				 edit_dialog->set_size(Size2(150,50));

				 break;
			 case AnimationTreePlayer::NODE_BLEND2:
				 edit_label[0]->set_text(TTR("Blend:"));
				 edit_label[0]->set_pos(Point2(5,5));
				 edit_label[0]->show();
				 edit_scroll[0]->set_min(0);
				 edit_scroll[0]->set_max(1);
				 edit_scroll[0]->set_value(anim_tree->blend2_node_get_amount(edited_node));
				 edit_scroll[0]->set_begin(Point2(15,25));
				 edit_scroll[0]->show();
				 filter_button->set_begin(Point2(10,47));
				 filter_button->show();
				 edit_dialog->set_size(Size2(150,74));

				 break;

			 case AnimationTreePlayer::NODE_BLEND3:
				 edit_label[0]->set_text(TTR("Blend:"));
				 edit_label[0]->set_pos(Point2(5,5));
				 edit_label[0]->show();
				 edit_scroll[0]->set_min(-1);
				 edit_scroll[0]->set_max(1);
				 edit_scroll[0]->set_value(anim_tree->blend3_node_get_amount(edited_node));
				 edit_scroll[0]->set_begin(Point2(15,25));
				 edit_scroll[0]->show();
				 edit_dialog->set_size(Size2(150,50));

				 break;
			case AnimationTreePlayer::NODE_BLEND4:

				edit_label[0]->set_text(TTR("Blend 0:"));
				edit_label[0]->set_pos(Point2(5,5));
				edit_label[0]->show();
				edit_scroll[0]->set_min(0);
				edit_scroll[0]->set_max(1);
				edit_scroll[0]->set_value(anim_tree->blend4_node_get_amount(edited_node).x);
				edit_scroll[0]->set_begin(Point2(15,25));
				edit_scroll[0]->show();
				edit_label[1]->set_text(TTR("Blend 1:"));
				edit_label[1]->set_pos(Point2(5,55));
				edit_label[1]->show();
				edit_scroll[1]->set_min(0);
				edit_scroll[1]->set_max(1);
				edit_scroll[1]->set_value(anim_tree->blend4_node_get_amount(edited_node).y);
				edit_scroll[1]->set_begin(Point2(15,75));
				edit_scroll[1]->show();
				edit_dialog->set_size(Size2(150,100));

				break;

			 case AnimationTreePlayer::NODE_TRANSITION: {


				 edit_label[0]->set_text(TTR("X-Fade Time (s):"));
				 edit_label[0]->set_pos(Point2(5,5));
				 edit_label[0]->show();
				 edit_line[0]->set_begin(Point2(15,25));
				 edit_line[0]->set_text(rtos(anim_tree->transition_node_get_xfade_time(edited_node)));
				 edit_line[0]->show();

				 edit_label[1]->set_text(TTR("Current:"));
				 edit_label[1]->set_pos(Point2(5,55));
				 edit_label[1]->show();
				 edit_option->set_begin(Point2(15,75));

				 edit_option->clear();;

				 for(int i=0;i<anim_tree->transition_node_get_input_count(edited_node);i++) {
					 edit_option->add_item(itos(i),i);
				 }

				 edit_option->select(anim_tree->transition_node_get_current(edited_node));
				 edit_option->show();
				 edit_dialog->set_size(Size2(150,100));

			} break;
			default: {}

		}

	}



	edit_dialog->set_pos(popup_pos);
	edit_dialog->popup();

	updating_edit=false;
}

void AnimationTreeEditor::_draw_node(const StringName& p_node) {

	RID ci = get_canvas_item();
	AnimationTreePlayer::NodeType type=anim_tree->node_get_type(p_node);

	Ref<StyleBox> style = get_stylebox("panel","PopupMenu");
	Ref<Font> font = get_font("font","PopupMenu");
	Color font_color = get_color("font_color","PopupMenu");
	Color font_color_title = get_color("font_color_hover","PopupMenu");
	font_color_title.a*=0.8;
	Ref<Texture> slot_icon = get_icon("NodeRealSlot","EditorIcons");


	Size2 size=get_node_size(p_node);
	Point2 pos = anim_tree->node_get_pos(p_node);
	if (click_type==CLICK_NODE && click_node==p_node) {

		pos+=click_motion-click_pos;
		if (pos.x<5)
			pos.x=5;
		if (pos.y<5)
			pos.y=5;

	}

	pos-=Point2(h_scroll->get_value(),v_scroll->get_value());

	style->draw(ci,Rect2(pos,size));

	float w = size.width-style->get_minimum_size().width;
	float h = font->get_height()+get_constant("vseparation","PopupMenu");

	Point2 ofs=style->get_offset()+pos;
	Point2 ascofs(0,font->get_ascent());

	Color bx = font_color_title;
	bx.a*=0.1;
	draw_rect(Rect2(ofs,Size2(size.width-style->get_minimum_size().width,font->get_height())),bx);
	font->draw_halign(ci,ofs+ascofs,HALIGN_CENTER,w,String(_node_type_names[type]),font_color_title);

	ofs.y+=h;
	font->draw_halign(ci,ofs+ascofs,HALIGN_CENTER,w,p_node,font_color);
	ofs.y+=h;

	int count=2; // title and name
	int inputs = anim_tree->node_get_input_count(p_node);
	count += inputs?inputs:1;

	float icon_h_ofs = Math::floor(( font->get_height()-slot_icon->get_height())/2.0 )+1;

	if (type!=AnimationTreePlayer::NODE_OUTPUT)
		slot_icon->draw(ci,ofs+Point2(w,icon_h_ofs)); //output

	if (inputs) {
		for(int i=0;i<inputs;i++) {

			slot_icon->draw(ci,ofs+Point2(-slot_icon->get_width(),icon_h_ofs));
			String text;
			switch(type) {

			   case AnimationTreePlayer::NODE_TIMESCALE:
			   case AnimationTreePlayer::NODE_TIMESEEK: text="in"; break;
			   case AnimationTreePlayer::NODE_OUTPUT: text="out"; break;
			   case AnimationTreePlayer::NODE_ANIMATION: break;
			   case AnimationTreePlayer::NODE_ONESHOT: text=(i==0?"in":"add"); break;
			   case AnimationTreePlayer::NODE_BLEND2:
			   case AnimationTreePlayer::NODE_MIX: text=(i==0?"a":"b"); break;
			 case AnimationTreePlayer::NODE_BLEND3:
				   switch(i) {
				case 0: text="b-"; break;
				       case 1: text="a"; break;
				       case 2: text="b+"; break;

				   }
			   break;


			   case AnimationTreePlayer::NODE_BLEND4:
				   switch(i) {
				case 0: text="a0"; break;
				       case 1: text="b0"; break;
				       case 2: text="a1"; break;
				       case 3: text="b1"; break;
				   }
			   break;

			   case AnimationTreePlayer::NODE_TRANSITION:
				   text=itos(i);
				   if (anim_tree->transition_node_has_input_auto_advance(p_node,i))
					   text+="->";

				   break;
			  default: {}
			}
			font->draw(ci,ofs+ascofs+Point2(3,0),text,font_color);

			ofs.y+=h;
		}
	} else {
		ofs.y+=h;
	}

	Ref<StyleBox> pg_bg=get_stylebox("bg","ProgressBar");
	Ref<StyleBox> pg_fill=get_stylebox("fill","ProgressBar");
	Rect2 pg_rect(ofs,Size2(w,h));

	bool editable=true;
	switch(type) {
		case AnimationTreePlayer::NODE_ANIMATION: {

			Ref<Animation> anim = anim_tree->animation_node_get_animation(p_node);
			String text;
			if (anim_tree->animation_node_get_master_animation(p_node)!="")
				text=anim_tree->animation_node_get_master_animation(p_node);
			else if (anim.is_null())
				text="load..";
			else
				text=anim->get_name();

			font->draw_halign(ci,ofs+ascofs,HALIGN_CENTER,w,text,font_color_title);

		} break;
		case AnimationTreePlayer::NODE_ONESHOT:
		case AnimationTreePlayer::NODE_MIX:
		case AnimationTreePlayer::NODE_BLEND2:
		case AnimationTreePlayer::NODE_BLEND3:
		case AnimationTreePlayer::NODE_BLEND4:
		case AnimationTreePlayer::NODE_TIMESCALE:
		case AnimationTreePlayer::NODE_TRANSITION: {

			font->draw_halign(ci,ofs+ascofs,HALIGN_CENTER,w,"edit..",font_color_title);
		} break;
		default: editable=false;
	}

	if (editable) {

		Ref<Texture> arrow = get_icon("arrow","Tree");
		Point2 arrow_ofs( w-arrow->get_width(),Math::floor( (h-arrow->get_height())/2) );
		arrow->draw(ci,ofs+arrow_ofs);
	}
}

#if 0
void AnimationTreeEditor::_node_param_changed() {

	//anim_tree->node_set_param( click_node,property_editor->get_variant() );
	//update();
	//_write_anim_tree_graph();
}
#endif

AnimationTreeEditor::ClickType AnimationTreeEditor::_locate_click(const Point2& p_click,StringName *p_node_id,int *p_slot_index) const {


	Ref<StyleBox> style = get_stylebox("panel","PopupMenu");
	Ref<Font> font = get_font("font","PopupMenu");

	float h = (font->get_height()+get_constant("vseparation","PopupMenu"));

	for(const List<StringName>::Element *E=order.back();E;E=E->prev()) {

		StringName node = E->get();

		AnimationTreePlayer::NodeType type=anim_tree->node_get_type(node);

		Point2 pos = anim_tree->node_get_pos(node);
		Size2 size = get_node_size(node);

		pos-=Point2(h_scroll->get_value(),v_scroll->get_value());

		if (!Rect2(pos,size).has_point(p_click))
			continue;

		if (p_node_id)
			*p_node_id=node;

		pos=p_click-pos;

		float y = pos.y-style->get_offset().height;

		if (y<2*h)
			return CLICK_NODE;
		y-=2*h;

		int inputs = anim_tree->node_get_input_count(node);
		int count = MAX(inputs,1);

		if (inputs==0 || (pos.x > size.width/2 && type != AnimationTreePlayer::NODE_OUTPUT)) {

			if (y<count*h) {

				if (p_slot_index)
					*p_slot_index=0;
				return CLICK_OUTPUT_SLOT;
			}
		}

		for(int i=0;i<count;i++) {

			if (y<h) {
				if (p_slot_index)
					*p_slot_index=i;
				return CLICK_INPUT_SLOT;
			}
			y-=h;
		}

		bool has_parameters = type!=AnimationTreePlayer::NODE_OUTPUT && type!=AnimationTreePlayer::NODE_TIMESEEK;
		return has_parameters ? CLICK_PARAMETER : CLICK_NODE;
	}

	return CLICK_NONE;
}

Point2 AnimationTreeEditor::_get_slot_pos(const StringName& p_node,bool p_input,int p_slot) {

	Ref<StyleBox> style = get_stylebox("panel","PopupMenu");
	Ref<Font> font = get_font("font","PopupMenu");
	Ref<Texture> slot_icon = get_icon("NodeRealSlot","EditorIcons");

	Size2 size=get_node_size(p_node);
	Point2 pos = anim_tree->node_get_pos(p_node);

	if (click_type==CLICK_NODE && click_node==p_node) {

		pos+=click_motion-click_pos;
		if (pos.x<5)
			pos.x=5;
		if (pos.y<5)
			pos.y=5;

	}

	pos-=Point2(h_scroll->get_value(),v_scroll->get_value());


	float w = size.width-style->get_minimum_size().width;
	float h = font->get_height()+get_constant("vseparation","PopupMenu");


	pos+=style->get_offset();

	pos.y+=h*2;

	pos.y+=h*p_slot;

	pos+=Point2( -slot_icon->get_width()/2.0, h/2.0).floor();

	if(!p_input) {
		pos.x+=w+slot_icon->get_width();

	}

	return pos;

}

#if 0
void AnimationTreeEditor::_node_edit_property(const StringName& p_node) {

	Ref<StyleBox> style = get_stylebox("panel","PopupMenu");
	Size2 size = get_node_size(p_node);
	Point2 pos = Point2( anim_tree->node_get_pos_x(p_node), anim_tree->node_get_pos_y(p_node) )-offset;

	VisualServer::AnimationTreeNodeType type=anim_tree->node_get_type(p_node);

	PropertyInfo ph = VisualServer::get_singleton()->anim_tree_node_get_type_info(type);
	if (ph.type==Variant::NIL)
		return;
	if (ph.type==Variant::_RID)
		ph.type=Variant::RESOURCE;

	property_editor->edit(NULL,ph.name,ph.type,anim_tree->node_get_param(p_node),ph.hint,ph.hint_string);

	Point2 popup_pos=Point2( pos.x+(size.width-property_editor->get_size().width)/2.0,pos.y+(size.y-style->get_margin(MARGIN_BOTTOM))).floor();
	popup_pos+=get_global_pos();
	property_editor->set_pos(popup_pos);

	property_editor->popup();

}
#endif

void AnimationTreeEditor::_gui_input(InputEvent p_event) {

	switch(p_event.type) {

		case InputEvent::MOUSE_BUTTON: {

			if (p_event.mouse_button.pressed) {


				if (p_event.mouse_button.button_index==1) {
					click_pos=Point2(p_event.mouse_button.x,p_event.mouse_button.y);
					click_motion=click_pos;
					click_type = _locate_click(click_pos,&click_node,&click_slot);
					if( click_type!=CLICK_NONE) {

						order.erase(click_node);
						order.push_back(click_node);
						update();
					}

					switch(click_type) {
						case CLICK_INPUT_SLOT: {
							click_pos=_get_slot_pos(click_node,true,click_slot);
						} break;
						case CLICK_OUTPUT_SLOT: {
							click_pos=_get_slot_pos(click_node,false,click_slot);
						} break;
						case CLICK_PARAMETER: {

							edited_node=click_node;
							renaming_edit=false;
							_popup_edit_dialog();
							//open editor
							//_node_edit_property(click_node);
						} break;
						default:{}
					}
				}
				if (p_event.mouse_button.button_index==2) {

					if (click_type!=CLICK_NONE) {
						click_type=CLICK_NONE;
						update();
					} else {
						// try to disconnect/remove

						Point2 rclick_pos=Point2(p_event.mouse_button.x,p_event.mouse_button.y);
						rclick_type = _locate_click(rclick_pos,&rclick_node,&rclick_slot);
						if (rclick_type==CLICK_INPUT_SLOT || rclick_type==CLICK_OUTPUT_SLOT) {

							node_popup->clear();
							node_popup->add_item(TTR("Disconnect"),NODE_DISCONNECT);
							if (anim_tree->node_get_type(rclick_node)==AnimationTreePlayer::NODE_TRANSITION) {
								node_popup->add_item(TTR("Add Input"),NODE_ADD_INPUT);
								if (rclick_type==CLICK_INPUT_SLOT) {
									if (anim_tree->transition_node_has_input_auto_advance(rclick_node,rclick_slot))
										node_popup->add_item(TTR("Clear Auto-Advance"),NODE_CLEAR_AUTOADVANCE);
									else
										node_popup->add_item(TTR("Set Auto-Advance"),NODE_SET_AUTOADVANCE);
									node_popup->add_item(TTR("Delete Input"),NODE_DELETE_INPUT);

								}
							}

							node_popup->set_pos(rclick_pos+get_global_pos());
							node_popup->popup();

						}

						if (rclick_type==CLICK_NODE) {
							node_popup->clear();
							node_popup->add_item(TTR("Rename"),NODE_RENAME);
							node_popup->add_item(TTR("Remove"),NODE_ERASE);
							if (anim_tree->node_get_type(rclick_node)==AnimationTreePlayer::NODE_TRANSITION)
								node_popup->add_item(TTR("Add Input"),NODE_ADD_INPUT);
							node_popup->set_pos(rclick_pos+get_global_pos());
							node_popup->popup();
						}


					}
				}
			} else {

				if (p_event.mouse_button.button_index==1 && click_type!=CLICK_NONE) {

					switch(click_type) {
						case CLICK_INPUT_SLOT:
						case CLICK_OUTPUT_SLOT: {

							Point2 dst_click_pos=Point2(p_event.mouse_button.x,p_event.mouse_button.y);
							StringName id;
							int slot;
							ClickType dst_click_type = _locate_click(dst_click_pos,&id,&slot);

							if (dst_click_type==CLICK_INPUT_SLOT && click_type==CLICK_OUTPUT_SLOT) {

								anim_tree->connect_nodes(click_node,id,slot);

							}
							if (click_type==CLICK_INPUT_SLOT && dst_click_type==CLICK_OUTPUT_SLOT) {

								anim_tree->connect_nodes(id,click_node,click_slot);
							}

						} break;
						case CLICK_NODE: {
							Point2 new_pos = anim_tree->node_get_pos(click_node)+(click_motion-click_pos);
							if (new_pos.x<5)
								new_pos.x=5;
							if (new_pos.y<5)
								new_pos.y=5;
							anim_tree->node_set_pos(click_node,new_pos);

						} break;
						default: {}
					}

					click_type=CLICK_NONE;
					update();
				}
			}
		}

		case InputEvent::MOUSE_MOTION: {

			if (p_event.mouse_motion.button_mask&1 && click_type!=CLICK_NONE) {

				click_motion=Point2(p_event.mouse_button.x,p_event.mouse_button.y);
				update();
			}
			if ((p_event.mouse_motion.button_mask&4 || Input::get_singleton()->is_key_pressed(KEY_SPACE))) {

				h_scroll->set_value( h_scroll->get_value() - p_event.mouse_motion.relative_x );
				v_scroll->set_value( v_scroll->get_value() - p_event.mouse_motion.relative_y );
				update();
			}

		} break;
	}

}


void AnimationTreeEditor::_draw_cos_line(const Vector2& p_from, const Vector2& p_to,const Color& p_color) {

	static const int steps = 20;

	Rect2 r;
	r.pos=p_from;
	r.expand_to(p_to);
	Vector2 sign=Vector2((p_from.x < p_to.x) ? 1 : -1,(p_from.y < p_to.y) ? 1 : -1);
	bool flip = sign.x * sign.y < 0;

	Vector2 prev;
	for(int i=0;i<=steps;i++) {

		float d = i/float(steps);
		float c=-Math::cos(d*Math_PI) * 0.5+0.5;
		if (flip)
			c=1.0-c;
		Vector2 p = r.pos+Vector2(d*r.size.width,c*r.size.height);

		if (i>0) {

			draw_line(prev,p,p_color,2);
		}

		prev=p;
	}
}

void AnimationTreeEditor::_notification(int p_what) {


	switch(p_what) {

		case NOTIFICATION_ENTER_TREE: {

			play_button->set_icon( get_icon("Play","EditorIcons") );
			add_menu->set_icon( get_icon("Add","EditorIcons") );
		} break;
		case NOTIFICATION_DRAW: {


			_update_scrollbars();
			//VisualServer::get_singleton()->canvas_item_add_rect(get_canvas_item(),Rect2(Point2(),get_size()),Color(0,0,0,1));
			get_stylebox("bg","Tree")->draw(get_canvas_item(),Rect2(Point2(),get_size()));

			for(List<StringName>::Element *E=order.front();E;E=E->next()) {

				_draw_node(E->get());
			}

			if (click_type==CLICK_INPUT_SLOT || click_type==CLICK_OUTPUT_SLOT) {

				_draw_cos_line(click_pos,click_motion,Color(0.5,1,0.5,0.8));
			}

			List<AnimationTreePlayer::Connection> connections;
			anim_tree->get_connection_list(&connections);

			for(List<AnimationTreePlayer::Connection>::Element *E=connections.front();E;E=E->next()) {

				const AnimationTreePlayer::Connection &c=E->get();
				Point2 source = _get_slot_pos(c.src_node,false,0);
				Point2 dest = _get_slot_pos(c.dst_node,true,c.dst_input);
				Color col = Color(1,1,0.5,0.8);
/*
				if (click_type==CLICK_NODE && click_node==c.src_node) {

					source+=click_motion-click_pos;
				}

				if (click_type==CLICK_NODE && click_node==c.dst_node) {

					dest+=click_motion-click_pos;
				}*/

				_draw_cos_line(source,dest,col);

			}

			switch(anim_tree->get_last_error()) {

				case AnimationTreePlayer::CONNECT_OK: {

					Ref<Font> f = get_font("font","Label");
					f->draw(get_canvas_item(),Point2(5,25+f->get_ascent()),TTR("Animation tree is valid."),Color(0,1,0.6,0.8));
				} break;
				default: {

					   Ref<Font> f = get_font("font","Label");
					   f->draw(get_canvas_item(),Point2(5,25+f->get_ascent()),TTR("Animation tree is invalid."),Color(1,0.6,0.0,0.8));
				} break;
			}

		} break;
	}

}

void AnimationTreeEditor::_update_scrollbars() {

	Size2 size = get_size();
	Size2 hmin = h_scroll->get_combined_minimum_size();
	Size2 vmin = v_scroll->get_combined_minimum_size();

	v_scroll->set_begin( Point2(size.width - vmin.width, 0) );
	v_scroll->set_end( Point2(size.width, size.height) );

	h_scroll->set_begin( Point2( 0, size.height - hmin.height) );
	h_scroll->set_end( Point2(size.width-vmin.width, size.height) );


	Size2 min = _get_maximum_size();

	if (min.height < size.height - hmin.height) {

		v_scroll->hide();
		offset.y=0;
	} else {

		v_scroll->show();
		v_scroll->set_max(min.height);
		v_scroll->set_page(size.height - hmin.height);
		offset.y=v_scroll->get_value();
	}

	if (min.width < size.width - vmin.width) {

		h_scroll->hide();
		offset.x=0;
	} else {

		h_scroll->show();
		h_scroll->set_max(min.width);
		h_scroll->set_page(size.width - vmin.width);
		offset.x=h_scroll->get_value();
	}
}

void AnimationTreeEditor::_scroll_moved(float) {

	offset.x=h_scroll->get_value();
	offset.y=v_scroll->get_value();
	update();
}


void AnimationTreeEditor::_node_menu_item(int p_item) {

	switch(p_item) {

		case NODE_DISCONNECT: {

			if (rclick_type==CLICK_INPUT_SLOT) {

				anim_tree->disconnect_nodes(rclick_node,rclick_slot);
				update();
			}

			if (rclick_type==CLICK_OUTPUT_SLOT) {


				List<AnimationTreePlayer::Connection> connections;
				anim_tree->get_connection_list(&connections);

				for(List<AnimationTreePlayer::Connection>::Element *E=connections.front();E;E=E->next()) {

					const AnimationTreePlayer::Connection &c=E->get();
					if( c.dst_node==rclick_node) {

						anim_tree->disconnect_nodes(c.dst_node,c.dst_input);
					}
				}
				update();
			}

		} break;
		case NODE_RENAME: {

			renaming_edit=true;
			edited_node=rclick_node;
			_popup_edit_dialog();

		} break;
		case NODE_ADD_INPUT: {

			anim_tree->transition_node_set_input_count(rclick_node, anim_tree->transition_node_get_input_count(rclick_node)+1);
			update();
		} break;
		 case NODE_DELETE_INPUT: {

			 anim_tree->transition_node_delete_input(rclick_node, rclick_slot);
			 update();
		 } break;
		case NODE_SET_AUTOADVANCE: {

			anim_tree->transition_node_set_input_auto_advance(rclick_node,rclick_slot,true);
			update();

		} break;
		case  NODE_CLEAR_AUTOADVANCE: {

			anim_tree->transition_node_set_input_auto_advance(rclick_node,rclick_slot,false);
			update();

		} break;

		case NODE_ERASE: {

			if (rclick_node=="out")
				break;
			order.erase(rclick_node);
			anim_tree->remove_node(rclick_node);
			update();
		} break;
	}
}

StringName AnimationTreeEditor::_add_node(int p_item) {

	static const char* bname[] = {
		"out",
		"anim",
		"oneshot",
		"mix",
		"blend2",
		"blend3",
		"blend4",
		"scale",
		"seek",
		"transition"
	};

	String name;
	int idx=1;

	while(true) {

		name = bname[p_item];
		if (idx>1)
			name+=" "+itos(idx);
		if (anim_tree->node_exists(name))
			idx++;
		else
			break;
	}


	anim_tree->add_node((AnimationTreePlayer::NodeType)p_item,name);
	anim_tree->node_set_pos(name,Point2(last_x,last_y));
	order.push_back(name);
	last_x+=10;
	last_y+=10;
	last_x=last_x % (int)get_size().width;
	last_y=last_y % (int)get_size().height;
	update();

	return name;
};

void AnimationTreeEditor::_file_dialog_selected(String p_path) {

	switch (file_op) {

	case MENU_IMPORT_ANIMATIONS: {
		Vector<String> files = file_dialog->get_selected_files();

		for (int i=0; i<files.size(); i++) {

			StringName node = _add_node(AnimationTreePlayer::NODE_ANIMATION);

			RES anim = ResourceLoader::load(files[i]);
			anim_tree->animation_node_set_animation(node,anim);
			//anim_tree->node_set_name(node, files[i].get_file());
		};
	} break;

	default:
		break;
	};
};

void AnimationTreeEditor::_add_menu_item(int p_item) {

	if (p_item==MENU_GRAPH_CLEAR) {

		//clear
	} else if (p_item == MENU_IMPORT_ANIMATIONS) {

		file_op = MENU_IMPORT_ANIMATIONS;
		file_dialog->set_mode(EditorFileDialog::MODE_OPEN_FILE);
		file_dialog->popup_centered_ratio();

	} else {

		_add_node(p_item);
	}
}

Size2 AnimationTreeEditor::get_minimum_size() const {

	return Size2(10,200);
}

void AnimationTreeEditor::_find_paths_for_filter(const StringName& p_node,Set<String>& paths) {

	ERR_FAIL_COND( !anim_tree->node_exists(p_node) );

	for(int i=0;i<anim_tree->node_get_input_count(p_node);i++) {

		StringName port = anim_tree->node_get_input_source(p_node,i);
		if (port==StringName())
			continue;
		_find_paths_for_filter(port,paths);
	}

	if (anim_tree->node_get_type(p_node)==AnimationTreePlayer::NODE_ANIMATION) {

		Ref<Animation> anim = anim_tree->animation_node_get_animation(p_node);
		if (anim.is_valid()) {

			for(int i=0;i<anim->get_track_count();i++) {
				paths.insert(anim->track_get_path(i));
			}
		}
	}
}


void AnimationTreeEditor::_filter_edited() {


	TreeItem *ed = filter->get_edited();
	if (!ed)
		return;

	if (anim_tree->node_get_type(edited_node)==AnimationTreePlayer::NODE_ONESHOT) {
		anim_tree->oneshot_node_set_filter_path(edited_node,ed->get_metadata(0),ed->is_checked(0));
	} else if (anim_tree->node_get_type(edited_node)==AnimationTreePlayer::NODE_BLEND2) {
		anim_tree->blend2_node_set_filter_path(edited_node,ed->get_metadata(0),ed->is_checked(0));
	} else if (anim_tree->node_get_type(edited_node)==AnimationTreePlayer::NODE_ANIMATION) {
		anim_tree->animation_node_set_filter_path(edited_node,ed->get_metadata(0),ed->is_checked(0));
	}

}

void AnimationTreeEditor::_edit_filters() {

	filter_dialog->popup_centered_ratio();
	filter->clear();

	Set<String> npb;
	_find_paths_for_filter(edited_node,npb);

	TreeItem *root = filter->create_item();
	filter->set_hide_root(true);
	Map<String,TreeItem*> pm;

	Node *base = anim_tree->get_node( anim_tree->get_base_path() );

	for(Set<String>::Element *E=npb.front();E;E=E->next()) {

		TreeItem *parent=root;
		String descr=E->get();
		if (base) {
			NodePath np = E->get();

			if (np.get_property()!=StringName()) {
				Node *n = base->get_node(np);
				Skeleton *s = n->cast_to<Skeleton>();
				if (s) {

					String skelbase = E->get().substr(0,E->get().find(":"));


					int bidx = s->find_bone(np.get_property());

					if (bidx!=-1) {
						int bparent = s->get_bone_parent(bidx);
						//
						if (bparent!=-1) {


							String bpn = skelbase+":"+s->get_bone_name(bparent);
							if (pm.has(bpn)) {
								parent=pm[bpn];
								descr=np.get_property();
							}
						} else {

							if (pm.has(skelbase)) {
								parent=pm[skelbase];

							}
						}
					}
				}
			}
		}

		TreeItem *it = filter->create_item(parent);
		it->set_cell_mode(0,TreeItem::CELL_MODE_CHECK);
		it->set_text(0,descr);
		it->set_metadata(0,NodePath(E->get()));
		it->set_editable(0,true);
		if (anim_tree->node_get_type(edited_node)==AnimationTreePlayer::NODE_ONESHOT) {
			it->set_checked(0, anim_tree->oneshot_node_is_path_filtered(edited_node,E->get()));
		} else if (anim_tree->node_get_type(edited_node)==AnimationTreePlayer::NODE_BLEND2) {
			it->set_checked(0, anim_tree->blend2_node_is_path_filtered(edited_node,E->get()));
		} else if (anim_tree->node_get_type(edited_node)==AnimationTreePlayer::NODE_ANIMATION) {
			it->set_checked(0, anim_tree->animation_node_is_path_filtered(edited_node,E->get()));
		}
		pm[E->get()]=it;
	}


}

void AnimationTreeEditor::_bind_methods() {

	ClassDB::bind_method( "_add_menu_item", &AnimationTreeEditor::_add_menu_item );
	ClassDB::bind_method( "_node_menu_item", &AnimationTreeEditor::_node_menu_item );
	ClassDB::bind_method( "_gui_input", &AnimationTreeEditor::_gui_input );
	//ClassDB::bind_method( "_node_param_changed", &AnimationTreeEditor::_node_param_changed );
	ClassDB::bind_method( "_scroll_moved", &AnimationTreeEditor::_scroll_moved );
	ClassDB::bind_method( "_edit_dialog_changeds", &AnimationTreeEditor::_edit_dialog_changeds );
	ClassDB::bind_method( "_edit_dialog_changede", &AnimationTreeEditor::_edit_dialog_changede );
	ClassDB::bind_method( "_edit_dialog_changedf", &AnimationTreeEditor::_edit_dialog_changedf );
	ClassDB::bind_method( "_edit_dialog_changed", &AnimationTreeEditor::_edit_dialog_changed );
	ClassDB::bind_method( "_edit_dialog_animation_changed", &AnimationTreeEditor::_edit_dialog_animation_changed );
	ClassDB::bind_method( "_edit_dialog_edit_animation", &AnimationTreeEditor::_edit_dialog_edit_animation );
	ClassDB::bind_method( "_play_toggled", &AnimationTreeEditor::_play_toggled );
	ClassDB::bind_method( "_edit_oneshot_start", &AnimationTreeEditor::_edit_oneshot_start );
	ClassDB::bind_method( "_file_dialog_selected", &AnimationTreeEditor::_file_dialog_selected);
	ClassDB::bind_method( "_master_anim_menu_item", &AnimationTreeEditor::_master_anim_menu_item);
	ClassDB::bind_method( "_edit_filters", &AnimationTreeEditor::_edit_filters);
	ClassDB::bind_method( "_filter_edited", &AnimationTreeEditor::_filter_edited);

}

AnimationTreeEditor::AnimationTreeEditor() {

	set_focus_mode(FOCUS_ALL);

	PopupMenu *p;
	List<PropertyInfo> defaults;

	add_menu = memnew( MenuButton );
	//add_menu->set_
	add_menu->set_pos( Point2( 0,0) );
	add_menu->set_size( Point2( 25,15) );
	add_child( add_menu );

	p=add_menu->get_popup();
	p->add_item(TTR("Animation Node"),AnimationTreePlayer::NODE_ANIMATION);
	p->add_item(TTR("OneShot Node"),AnimationTreePlayer::NODE_ONESHOT);
	p->add_item(TTR("Mix Node"),AnimationTreePlayer::NODE_MIX);
	p->add_item(TTR("Blend2 Node"),AnimationTreePlayer::NODE_BLEND2);
	p->add_item(TTR("Blend3 Node"),AnimationTreePlayer::NODE_BLEND3);
	p->add_item(TTR("Blend4 Node"),AnimationTreePlayer::NODE_BLEND4);
	p->add_item(TTR("TimeScale Node"),AnimationTreePlayer::NODE_TIMESCALE);
	p->add_item(TTR("TimeSeek Node"),AnimationTreePlayer::NODE_TIMESEEK);
	p->add_item(TTR("Transition Node"),AnimationTreePlayer::NODE_TRANSITION);
	p->add_separator();
	p->add_item(TTR("Import Animations.."), MENU_IMPORT_ANIMATIONS); // wtf
	p->add_separator();
	p->add_item(TTR("Clear"),MENU_GRAPH_CLEAR);

	p->connect("id_pressed", this,"_add_menu_item");

	play_button = memnew(Button);
	play_button->set_pos(Point2(25,0));
	play_button->set_size(Point2(25,15));
	add_child(play_button);
	play_button->set_toggle_mode(true);
	play_button->connect("pressed", this,"_play_toggled");





	last_x=50;
	last_y=50;

	property_editor = memnew( CustomPropertyEditor );
	add_child(property_editor);
	property_editor->connect("variant_changed", this,"_edit_dialog_animation_changed");
	 property_editor->connect("resource_edit_request", this, "_edit_dialog_edit_animation");

	h_scroll = memnew( HScrollBar );
	v_scroll = memnew( VScrollBar );

	add_child(h_scroll);
	add_child(v_scroll);

	h_scroll->connect("value_changed", this,"_scroll_moved");
	v_scroll->connect("value_changed", this,"_scroll_moved");

	node_popup= memnew(PopupMenu );
	add_child(node_popup);
	node_popup->set_as_toplevel(true);

	master_anim_popup = memnew( PopupMenu );
	add_child(master_anim_popup);
	master_anim_popup->connect("id_pressed",this,"_master_anim_menu_item");


	node_popup->connect("id_pressed", this,"_node_menu_item");

	updating_edit=false;

	edit_dialog = memnew( PopupPanel );
	//edit_dialog->get_ok()->hide();
	//edit_dialog->get_cancel()->hide();
	add_child(edit_dialog);

	edit_option = memnew( OptionButton );
	edit_option->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	edit_option->set_margin(MARGIN_RIGHT, 10);
	edit_dialog->add_child(edit_option);
	edit_option->connect("item_selected", this,"_edit_dialog_changedf");
	edit_option->hide();


	for(int i=0;i<2;i++) {
		edit_scroll[i] = memnew ( HSlider );
		edit_scroll[i]->set_anchor( MARGIN_RIGHT, ANCHOR_END );
		edit_scroll[i]->set_margin(MARGIN_RIGHT, 10);
		edit_dialog->add_child(edit_scroll[i]);
		edit_scroll[i]->hide();
		edit_scroll[i]->connect("value_changed", this,"_edit_dialog_changedf");
	}
	for(int i=0;i<4;i++) {
		edit_line[i] = memnew ( LineEdit );
		edit_line[i]->set_anchor( MARGIN_RIGHT, ANCHOR_END );
		edit_line[i]->set_margin(MARGIN_RIGHT, 10);
		edit_dialog->add_child(edit_line[i]);
		edit_line[i]->hide();
		edit_line[i]->connect("text_changed", this,"_edit_dialog_changeds");
		edit_line[i]->connect("text_entered", this,"_edit_dialog_changede");
		edit_label[i] = memnew ( Label );
		edit_dialog->add_child(edit_label[i]);
		edit_label[i]->hide();
	}

	edit_button = memnew( Button );
	edit_button->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	edit_button->set_margin(MARGIN_RIGHT, 10);
	edit_dialog->add_child(edit_button);
	edit_button->hide();;
	edit_button->connect("pressed", this,"_edit_oneshot_start");

	edit_check = memnew( CheckButton );
	edit_check->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	edit_check->set_margin(MARGIN_RIGHT, 10);
	edit_dialog->add_child(edit_check);
	edit_check->hide();;
	edit_check->connect("pressed", this,"_edit_dialog_changed");

	file_dialog = memnew( EditorFileDialog );
	file_dialog->set_enable_multiple_selection(true);
	file_dialog->set_current_dir(GlobalConfig::get_singleton()->get_resource_path());
	add_child(file_dialog);
	 file_dialog->connect("file_selected", this, "_file_dialog_selected");

	filter_dialog = memnew( AcceptDialog );
	filter_dialog->set_title(TTR("Edit Node Filters"));
	add_child(filter_dialog);

	filter = memnew( Tree );
	filter_dialog->add_child(filter);
	//filter_dialog->set_child_rect(filter);
	filter->connect("item_edited",this,"_filter_edited");

	filter_button = memnew( Button );
	filter_button->set_anchor( MARGIN_RIGHT, ANCHOR_END );
	filter_button->set_margin(MARGIN_RIGHT, 10);
	edit_dialog->add_child(filter_button);
	filter_button->hide();;
	filter_button->set_text(TTR("Filters.."));
	filter_button->connect("pressed", this,"_edit_filters");

	set_clip_contents(true);
}


void AnimationTreeEditorPlugin::edit(Object *p_object) {

	anim_tree_editor->edit(p_object->cast_to<AnimationTreePlayer>());

}

bool AnimationTreeEditorPlugin::handles(Object *p_object) const {

	return p_object->is_class("AnimationTreePlayer");
}

void AnimationTreeEditorPlugin::make_visible(bool p_visible) {

	if (p_visible) {
		//editor->hide_animation_player_editors();
		//editor->animation_panel_make_visible(true);
		button->show();
		editor->make_bottom_panel_item_visible(anim_tree_editor);
		anim_tree_editor->set_fixed_process(true);
	} else {

		if (anim_tree_editor->is_visible_in_tree())
			editor->hide_bottom_panel();
		button->hide();
		anim_tree_editor->set_fixed_process(false);
	}
}

AnimationTreeEditorPlugin::AnimationTreeEditorPlugin(EditorNode *p_node) {

	editor=p_node;
	anim_tree_editor = memnew( AnimationTreeEditor );
	anim_tree_editor->set_custom_minimum_size(Size2(0,300));

	button=editor->add_bottom_panel_item("AnimationTree",anim_tree_editor);
	button->hide();



}


AnimationTreeEditorPlugin::~AnimationTreeEditorPlugin()
{
}