/* === S Y N F I G ========================================================= */

/*!	\file dock_timetrack.cpp

**	\brief Template File

**

**	$Id$

**

**	\legal

**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley

**	Copyright (c) 2007, 2008 Chris Moore

**  Copyright (c) 2010 Carlos Lรณpez

**

**	This package is free software; you can redistribute it and/or

**	modify it under the terms of the GNU General Public License as

**	published by the Free Software Foundation; either version 2 of

**	the License, or (at your option) any later version.

**

**	This package is distributed in the hope that it will be useful,

**	but WITHOUT ANY WARRANTY; without even the implied warranty of

**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

**	General Public License for more details.

**	\endlegal

*/

/* ========================================================================= */

/* === H E A D E R S ======================================================= */

#ifdef USING_PCH

#	include "pch.h"

#else

#ifdef HAVE_CONFIG_H

#	include <config.h></config.h>

#endif

#include <cassert></cassert>

#include <gtkmm scrolledwindow.h=""></gtkmm>

#include <synfig general.h=""></synfig>

#include <synfig timepointcollect.h=""></synfig>

#include <gui helpers.h=""></gui>

#include <app.h></app.h>

#include <instance.h></instance.h>

#include <canvasview.h></canvasview.h>

#include <workarea.h></workarea.h>

#include <trees layertree.h=""></trees>

#include <trees layerparamtreestore.h=""></trees>

#include <widgets widget_canvastimeslider.h=""></widgets>

#include <widgets widget_keyframe_list.h=""></widgets>

#include "dock_timetrack.h"

#include <gui localization.h=""></gui>

#endif

/* === U S I N G =========================================================== */

using namespace std;

using namespace etl;

using namespace synfig;

using namespace studio;

/* === M A C R O S ========================================================= */

/* === C L A S S E S ======================================================= */

class TimeTrackView : public Gtk::TreeView

{

	CellRenderer_TimeTrack *cellrenderer_time_track;

	Glib::RefPtr<layerparamtreestore> param_tree_store_;</layerparamtreestore>

	Gtk::TreeView *mimic_tree_view;

public:

	sigc::signal<void,synfigapp::valuedesc,std::set<synfig::waypoint, std::less<uniqueid=""> >,int> signal_waypoint_clicked_timetrackview;</void,synfigapp::valuedesc,std::set<synfig::waypoint,>

	LayerParamTreeStore::Model model;

	void set_canvas_view(handle<canvasview> canvas_view)</canvasview>

	{

		cellrenderer_time_track->set_time_model(canvas_view->time_model());

		cellrenderer_time_track->set_canvas_interface(canvas_view->canvas_interface());

	}

	TimeTrackView()

	{

		//Text attributes must be the same that layer param tree's to have aligned rows

		Pango::AttrList attr_list;

		{

			Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));

			pango_size.set_start_index(0);

			pango_size.set_end_index(64);

			attr_list.change(pango_size);

		}

		int label_index(append_column_editable(_("Name"),model.label));

		Gtk::TreeView::Column* label_column = get_column(label_index-1);

		label_column->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);

		{	// --- T I M E   T R A C K --------------------------------------------

			Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Time Track")) );

			Gtk::TreeView::Column* column2 = Gtk::manage( new Gtk::TreeView::Column("Align") );

			// Set up the value-node cell-renderer

			cellrenderer_time_track=LayerParamTreeStore::add_cell_renderer_value_node(column);

			cellrenderer_time_track->property_mode()=Gtk::CELL_RENDERER_MODE_ACTIVATABLE;

			cellrenderer_time_track->signal_waypoint_clicked_cellrenderer().connect(sigc::mem_fun(*this, &TimeTrackView::on_waypoint_clicked_timetrackview));

			cellrenderer_time_track->signal_waypoint_changed().connect(sigc::mem_fun(*this, &TimeTrackView::on_waypoint_changed) );

			//column->add_attribute(cellrenderer_time_track->property_value_desc(), model.value_desc);

			//column->add_attribute(cellrenderer_time_track->property_canvas(), model.canvas);

			//column->add_attribute(cellrenderer_time_track->property_visible(), model.is_value_node);

			//column->pack_start(*cellrenderer_time_track);

			// Add a fixed size (same that layer param tree) empty text renderer

			// to align the rows with params dock when the text is taller than value_type icons height

			Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );

			text_cellrenderer->property_attributes()=attr_list;

			column2->pack_end(*text_cellrenderer,false);

			text_cellrenderer->set_fixed_size (1,-1);

			// Add a fixed size (1pixel widht, same height than value_type icon) empty (alpha) icon

			// to align the rows with params dock when the text is smaller than value_type icons height

			Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );

			Glib::RefPtr<gdk::pixbuf> pixbuf;</gdk::pixbuf>

			pixbuf=Gtk::Button().render_icon_pixbuf(Gtk::StockID("synfig-utils_timetrack_align"),Gtk::ICON_SIZE_SMALL_TOOLBAR);

			icon_cellrenderer->property_pixbuf() = pixbuf;

			column2->pack_end(*icon_cellrenderer,false);

			icon_cellrenderer->set_fixed_size(1,-1);

			// Finish setting up the columns

			column->set_reorderable();

			column->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);

			column->set_resizable();

			column->set_expand(true);

// Commented during Align rows fixing

// http://www.synfig.org/issues/thebuggenie/synfig/issues/161

// 			column->set_min_width(200);

			column2->set_resizable();

			column2->set_fixed_width(1);

			append_column(*column);

			append_column(*column2);

		}

		set_rules_hint();

		set_expander_column(*label_column);

		label_column->set_visible(false);

		set_headers_visible(false);

		set_size_request(-1,64);

	}

	bool

	on_event(GdkEvent *event)

	{

		switch(event->type)

		{

		case GDK_SCROLL:

			if (mimic_tree_view) {

				if(event->scroll.direction==GDK_SCROLL_DOWN)

					ConfigureAdjustment(mimic_tree_view->get_vadjustment())

						.set_value( std::min(

							mimic_tree_view->get_vadjustment()->get_value()

						  +	mimic_tree_view->get_vadjustment()->get_step_increment(),

							mimic_tree_view->get_vadjustment()->get_upper()

						  - mimic_tree_view->get_vadjustment()->get_page_size() ))

						.finish();

				else

				if(event->scroll.direction==GDK_SCROLL_UP)

					ConfigureAdjustment(mimic_tree_view->get_vadjustment())

						.set_value( std::max(

							mimic_tree_view->get_vadjustment()->get_value()

						  -	mimic_tree_view->get_vadjustment()->get_step_increment(),

							mimic_tree_view->get_vadjustment()->get_lower() ))

						.finish();

			}

			break;

		case GDK_BUTTON_PRESS:

			{

				Gtk::TreeModel::Path path;

				Gtk::TreeViewColumn *column;

				int cell_x, cell_y;

				if(!get_path_at_pos(

					int(event->button.x),int(event->button.y),	// x, y

					path, // TreeModel::Path&

					column, //TreeViewColumn*&

					cell_x,cell_y //int&cell_x,int&cell_y

					)

				) break;

				const Gtk::TreeRow row = *(get_model()->get_iter(path));

				if(column && column->get_first_cell()==cellrenderer_time_track)

				{

					Gdk::Rectangle rect;

					get_cell_area(path,*column,rect);

					cellrenderer_time_track->property_value_desc()=row[model.value_desc];

					cellrenderer_time_track->property_canvas()=row[model.canvas];

					cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());

					queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());

					return true;

					//return signal_param_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);

				}

			}

			break;

		case GDK_MOTION_NOTIFY:

			{

				Gtk::TreeModel::Path path;

				Gtk::TreeViewColumn *column;

				int cell_x, cell_y;

				if(!get_path_at_pos(

					(int)event->motion.x,(int)event->motion.y,	// x, y

					path, // TreeModel::Path&

					column, //TreeViewColumn*&

					cell_x,cell_y //int&cell_x,int&cell_y

					)

				) break;

				if(!get_model()->get_iter(path))

					break;

				Gtk::TreeRow row = *(get_model()->get_iter(path));

				if (((event->motion.state&GDK_BUTTON1_MASK) || (event->motion.state&GDK_BUTTON3_MASK)) &&

					column &&

					cellrenderer_time_track == column->get_first_cell())

				{

					Gdk::Rectangle rect;

					get_cell_area(path,*column,rect);

					cellrenderer_time_track->property_value_desc()=row[model.value_desc];

					cellrenderer_time_track->property_canvas()=row[model.canvas];

					cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());

					queue_draw();

					//queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());

					return true;

				}

/*				else

				if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)

				{

					tooltips_.unset_tip(*this);

					Glib::ustring tooltips_string(row[layer_model.tooltip]);

					last_tooltip_path=path;

					if(!tooltips_string.empty())

					{

						tooltips_.set_tip(*this,tooltips_string);

						tooltips_.force_window();

					}

				}

*/

				return true;

			}

			break;

		case GDK_BUTTON_RELEASE:

			{

				Gtk::TreeModel::Path path;

				Gtk::TreeViewColumn *column;

				int cell_x, cell_y;

				if(!get_path_at_pos(

					(int)event->button.x,(int)event->button.y,	// x, y

					path, // TreeModel::Path&

					column, //TreeViewColumn*&

					cell_x,cell_y //int&cell_x,int&cell_y

					)

				) break;

				if(!get_model()->get_iter(path))

					break;

				Gtk::TreeRow row = *(get_model()->get_iter(path));

				if(column && cellrenderer_time_track==column->get_first_cell())

				{

					Gdk::Rectangle rect;

					get_cell_area(path,*column,rect);

					cellrenderer_time_track->property_value_desc()=row[model.value_desc];

					cellrenderer_time_track->property_canvas()=row[model.canvas];

					cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());

					queue_draw();

					queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());

					return true;

				}

			}

			break;

		default:

			break;

		}

		mimic_resync();

		return Gtk::TreeView::on_event(event);

	}

	void

	queue_draw_msg()

	{

		synfig::info("*************QUEUE_DRAW***************** (time track view)");

		Widget::queue_draw();

	}

	void set_model(Glib::RefPtr<layerparamtreestore> store)</layerparamtreestore>

	{

		Gtk::TreeView::set_model(store);

		param_tree_store_=store;

		cellrenderer_time_track->set_canvas_interface(param_tree_store_->canvas_interface());

		store->signal_changed().connect(sigc::mem_fun(*this, &TimeTrackView::queue_draw));

	}

	void

	on_waypoint_changed( synfig::Waypoint waypoint , synfig::ValueNode::Handle value_node)

	{

		// \todo is this code used?

		assert(0);

		synfigapp::Action::ParamList param_list;

		param_list.add("canvas",param_tree_store_->canvas_interface()->get_canvas());

		param_list.add("canvas_interface",param_tree_store_->canvas_interface());

		param_list.add("value_node",value_node);

		param_list.add("waypoint",waypoint);

	//	param_list.add("time",canvas_interface()->get_time());

		etl::handle<studio::instance>::cast_static(param_tree_store_->canvas_interface()->get_instance())->process_action("WaypointSetSmart", param_list);</studio::instance>

	}

	void mimic(Gtk::TreeView *param_tree_view)

	{

		mimic_tree_view=param_tree_view;

		param_tree_view->signal_row_expanded().connect(

			sigc::hide<0>(

			sigc::hide_return(

				sigc::bind<-1>(

					sigc::mem_fun(

						*this,

						&Gtk::TreeView::expand_row

					),

					false

				)

			))

		);

		param_tree_view->signal_row_collapsed().connect(

			sigc::hide<0>(

			sigc::hide_return(

					sigc::mem_fun(

						*this,

						&Gtk::TreeView::collapse_row

					)

			))

		);

		mimic_resync();

	}

	void mimic_resync()

	{

		if(mimic_tree_view)

		{

			Glib::RefPtr<gtk::adjustment> adjustment(mimic_tree_view->get_vadjustment());</gtk::adjustment>

			set_vadjustment(adjustment);

			if (adjustment->get_page_size()>get_height())

				ConfigureAdjustment(adjustment)

					.set_page_size(get_height())

					.finish();

/* Commented during Align rows fixing

// http://www.synfig.org/issues/thebuggenie/synfig/issues/161

			int row_height = 0;

			if(getenv("SYNFIG_TIMETRACK_ROW_HEIGHT"))

				row_height = atoi(getenv("SYNFIG_TIMETRACK_ROW_HEIGHT"));

			if (row_height < 3)

				row_height = 18;

			cellrenderer_time_track->set_fixed_size(-1,row_height);

*/

		}

	}

	void

	on_waypoint_clicked_timetrackview(const etl::handle<synfig::node>& node,</synfig::node>

									  const synfig::Time& time,

									  const synfig::Time& time_offset __attribute__ ((unused)),

									  const synfig::Time& time_dilation __attribute__ ((unused)),

									  int button)

	{

		std::set<synfig::waypoint, std::less<uniqueid=""> > waypoint_set;</synfig::waypoint,>

		synfig::waypoint_collect(waypoint_set,time,node);

		synfigapp::ValueDesc value_desc;

		if (waypoint_set.size() == 1)

		{

			ValueNode::Handle value_node(waypoint_set.begin()->get_parent_value_node());

			assert(value_node);

			Gtk::TreeRow row;

			if (param_tree_store_->find_first_value_node(value_node, row) && row)

				value_desc = static_cast<synfigapp::valuedesc>(row[model.value_desc]);</synfigapp::valuedesc>

		}

		if (!waypoint_set.empty())

			signal_waypoint_clicked_timetrackview(value_desc,waypoint_set,button);

	}

};

/* === G L O B A L S ======================================================= */

/* === P R O C E D U R E S ================================================= */

/* === M E T H O D S ======================================================= */

Dock_Timetrack::Dock_Timetrack():

	Dock_CanvasSpecific("timetrack",_("Timetrack"),Gtk::StockID("synfig-timetrack")),

	table_(),

	mimic_tree_view()

{

	set_use_scrolled(false);

}

Dock_Timetrack::~Dock_Timetrack()

{

	if (table_) delete table_;

}

void

Dock_Timetrack::init_canvas_view_vfunc(etl::loose_handle<canvasview> canvas_view)</canvasview>

{

	LayerParamTreeStore::Model model;

	Glib::RefPtr<layerparamtreestore> tree_store(</layerparamtreestore>

		Glib::RefPtr<layerparamtreestore>::cast_dynamic(</layerparamtreestore>

			canvas_view->get_tree_model("params")

		)

	);

	TimeTrackView* tree_view(new TimeTrackView());

	tree_view->set_canvas_view(canvas_view);

	tree_view->set_model(tree_store);

	Gtk::TreeView* param_tree_view(dynamic_cast<gtk::treeview*>(canvas_view->get_ext_widget("params")));</gtk::treeview*>

	tree_view->mimic(param_tree_view);

	mimic_tree_view=param_tree_view;

	tree_view->signal_waypoint_clicked_timetrackview.connect(sigc::mem_fun(*canvas_view, &studio::CanvasView::on_waypoint_clicked_canvasview));

	studio::LayerTree* tree_layer(dynamic_cast<studio::layertree*>(canvas_view->get_ext_widget("layers_cmp")));</studio::layertree*>

	tree_layer->signal_param_tree_header_height_changed().connect(sigc::mem_fun(*this, &studio::Dock_Timetrack::on_update_header_height));

	canvas_view->time_model()->signal_time_changed().connect(sigc::mem_fun(*tree_view,&Gtk::TreeView::queue_draw));

	canvas_view->set_ext_widget(get_name(),tree_view);

}

void

Dock_Timetrack::refresh_selected_param()

{

/*	Gtk::TreeView* tree_view(

		static_cast<gtk::treeview*>(get_canvas_view()->get_ext_widget(get_name()))</gtk::treeview*>

	);

	Gtk::TreeModel::iterator iter(tree_view->get_selection()->get_selected());

	if(iter)

	{

		LayerParamTreeStore::Model model;

		get_canvas_view()->work_area->set_selected_value_node(

			(synfig::ValueNode::Handle)(*iter)[model.value_node]

		);

	}

	else

	{

		get_canvas_view()->work_area->set_selected_value_node(0);

	}

*/

}

void

Dock_Timetrack::changed_canvas_view_vfunc(etl::loose_handle<canvasview> canvas_view)</canvasview>

{

	if(table_)

	{

		clear_previous();

		hscrollbar_.unset_adjustment();

		vscrollbar_.unset_adjustment();

		widget_timeslider_.set_canvas_view( CanvasView::Handle() );

		widget_kf_list_.set_time_model( etl::handle<timemodel>() );</timemodel>

		widget_kf_list_.set_canvas_interface( etl::loose_handle<synfigapp::canvasinterface>() );</synfigapp::canvasinterface>

		delete table_;

		table_=0;

	}

	if(canvas_view)

	{

		TimeTrackView* tree_view(dynamic_cast<timetrackview*>(canvas_view->get_ext_widget(get_name())));</timetrackview*>

		Gtk::TreeView* param_tree_view(dynamic_cast<gtk::treeview*>(canvas_view->get_ext_widget("params")));</gtk::treeview*>

		Gtk::ScrolledWindow* scrolled = Gtk::manage(new Gtk::ScrolledWindow);

		scrolled->get_vscrollbar()->hide();

		scrolled->add(*tree_view);

		scrolled->set_policy(Gtk::POLICY_NEVER,Gtk::POLICY_AUTOMATIC);

		scrolled->set_vadjustment(param_tree_view->get_vadjustment());

		scrolled->show_all();

		assert(tree_view);

		// Fixed size drawing areas to align the widget_timeslider and tree_view time cursors

		// TODO ?: one align_drawingArea.(0, 1, 0, 1) modify_bg KF's color another (0, 1, 1, 2) modify_bg TS's color

		Gtk::DrawingArea* align_drawingArea1 = Gtk::manage(new Gtk::DrawingArea);

		// TODO ?: one align_drawingArea.(2, 3, 0, 1) modify_bg KF's color another (2, 3, 1, 2) modify_bg TS's color

		Gtk::DrawingArea* align_drawingArea2 = Gtk::manage(new Gtk::DrawingArea);

#if GTKMM_MAJOR_VERSION < 3 || (GTKMM_MAJOR_VERSION == 3 && GTKMM_MINOR_VERSION < 14)

		align_drawingArea1->set_size_request(4,-1);

		align_drawingArea2->set_size_request(9,-1);

#else

		align_drawingArea1->set_size_request(2,-1);

		align_drawingArea2->set_size_request(4,-1);

#endif

		widget_timeslider_.set_canvas_view(canvas_view);

		widget_kf_list_.set_time_model(canvas_view->time_model());

		widget_kf_list_.set_canvas_interface(canvas_view->canvas_interface());

		vscrollbar_.set_adjustment(tree_view->get_vadjustment());

		hscrollbar_.set_adjustment(canvas_view->time_model()->scroll_time_adjustment());

		//  0------1------2------3------4

		//  |  A   |  KF  |  A   |  v   |

		//  |  L   |      |  L   |  s   |

		//  1--I---x------x--I---x--c---x

		//  |  G   |  TS  |  G   |  r   |

		//  |  N1  |      |  N2  |  o   |

		//  2------x------x------x--l---x

		//  |  TV  |  TV  |  TV  |  l   |

		//  |      |      |      |  b   |

		//  3------x------x------x------x

		//  | hscrollbar

		//

		// KF = widget_kf_list

		// TS = widget_timeslider

		// TV = tree_view

		// ALIGN1 = align_drawingArea1

		// ALIGN2 = align_drawingArea2

		table_=new Gtk::Table(3,4);

		table_->attach(*align_drawingArea1, 0, 1, 0, 2, Gtk::SHRINK, Gtk::FILL);

		table_->attach(widget_kf_list_,     1, 2, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::SHRINK);

		table_->attach(widget_timeslider_,  1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::SHRINK);

		table_->attach(*align_drawingArea2, 2, 3, 0, 2, Gtk::SHRINK, Gtk::FILL);

		table_->attach(*scrolled,           0, 3, 2, 3, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);

		table_->attach(hscrollbar_,         0, 3, 3, 4, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::SHRINK);

		table_->attach(vscrollbar_,         3, 4, 0, 3, Gtk::FILL|Gtk::SHRINK, Gtk::FILL|Gtk::EXPAND);

		add(*table_);

		// Should be here, after the widget was attached to table

		tree_view->add_events(Gdk::SCROLL_MASK);

		//add(*last_widget_curves_);

		table_->show_all();

		show_all();

	}

	else

	{

		//clear_previous();

	}

}

void

Dock_Timetrack::on_update_header_height( int /*header_height*/)

{

	int width=0;

	int height=0;

	int kf_list_height=10;

	mimic_tree_view->convert_bin_window_to_widget_coords(0, 0, width, height);

	widget_timeslider_.set_size_request(-1,height-kf_list_height);

	widget_kf_list_.set_size_request(-1,kf_list_height);

}