/*************************************************************************/
/*  physical_bone_plugin.cpp                                             */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
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#include "physical_bone_plugin.h"
#include "editor/plugins/spatial_editor_plugin.h"
#include "scene/3d/physics_body.h"

void PhysicalBoneEditor::_bind_methods() {
	ClassDB::bind_method(D_METHOD("_on_toggle_button_transform_joint", "is_pressed"), &PhysicalBoneEditor::_on_toggle_button_transform_joint);
}

void PhysicalBoneEditor::_on_toggle_button_transform_joint(bool p_is_pressed) {

	_set_move_joint();
}

void PhysicalBoneEditor::_set_move_joint() {
	if (selected) {
		selected->_set_gizmo_move_joint(button_transform_joint->is_pressed());
	}
}

PhysicalBoneEditor::PhysicalBoneEditor(EditorNode *p_editor) :
		editor(p_editor),
		selected(NULL) {

	spatial_editor_hb = memnew(HBoxContainer);
	spatial_editor_hb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	spatial_editor_hb->set_alignment(BoxContainer::ALIGN_BEGIN);
	SpatialEditor::get_singleton()->add_control_to_menu_panel(spatial_editor_hb);

	spatial_editor_hb->add_child(memnew(VSeparator));

	button_transform_joint = memnew(ToolButton);
	spatial_editor_hb->add_child(button_transform_joint);

	button_transform_joint->set_text(TTR("Move joint"));
	button_transform_joint->set_icon(SpatialEditor::get_singleton()->get_icon("PhysicalBone", "EditorIcons"));
	button_transform_joint->set_toggle_mode(true);
	button_transform_joint->connect("toggled", this, "_on_toggle_button_transform_joint");

	hide();
}

PhysicalBoneEditor::~PhysicalBoneEditor() {
	// TODO the spatial_editor_hb should be removed from SpatialEditor, but in this moment it's not possible
	for (int i = spatial_editor_hb->get_child_count() - 1; 0 <= i; --i) {
		Node *n = spatial_editor_hb->get_child(i);
		spatial_editor_hb->remove_child(n);
		memdelete(n);
	}
	memdelete(spatial_editor_hb);
}

void PhysicalBoneEditor::set_selected(PhysicalBone *p_pb) {

	button_transform_joint->set_pressed(false);

	_set_move_joint();
	selected = p_pb;
	_set_move_joint();
}

void PhysicalBoneEditor::hide() {
	spatial_editor_hb->hide();
}

void PhysicalBoneEditor::show() {
	spatial_editor_hb->show();
}

PhysicalBonePlugin::PhysicalBonePlugin(EditorNode *p_editor) :
		editor(p_editor),
		selected(NULL) {

	physical_bone_editor = memnew(PhysicalBoneEditor(editor));
}

void PhysicalBonePlugin::make_visible(bool p_visible) {
	if (p_visible) {

		physical_bone_editor->show();
	} else {

		physical_bone_editor->hide();
		physical_bone_editor->set_selected(NULL);
		selected = NULL;
	}
}

void PhysicalBonePlugin::edit(Object *p_node) {
	selected = static_cast<PhysicalBone *>(p_node); // Trust it
	ERR_FAIL_COND(!selected);

	physical_bone_editor->set_selected(selected);
}