/*************************************************************************/
/*  filesystem_dock.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 "filesystem_dock.h"

#include "os/dir_access.h"
#include "os/file_access.h"
#include "globals.h"
#include "io/resource_loader.h"
#include "os/os.h"
#include "editor_node.h"
#include "editor_settings.h"
#include "scene/main/viewport.h"

bool FileSystemDock::_create_tree(TreeItem *p_parent,EditorFileSystemDirectory *p_dir) {

	TreeItem *item = tree->create_item(p_parent);
	String dname=p_dir->get_name();
	if (dname=="")
		dname="res://";
	else {
		// collapse every tree item but the root folder
		item->set_collapsed(true);
	}

	item->set_text(0,dname);
	item->set_icon(0,get_icon("Folder","EditorIcons"));
	item->set_selectable(0,true);
	String lpath = p_dir->get_path();
	if (lpath!="res://" && lpath.ends_with("/")) {
		lpath=lpath.substr(0,lpath.length()-1);
	}
	item->set_metadata(0,lpath);
	if (lpath==path) {
		item->select(0);
	}

	for(int i=0;i<p_dir->get_subdir_count();i++)
		_create_tree(item,p_dir->get_subdir(i));

	return true;
}


void FileSystemDock::_update_tree() {

	tree->clear();
	updating_tree=true;
	TreeItem *root = tree->create_item();
	TreeItem *favorites = tree->create_item(root);
	favorites->set_icon(0, get_icon("Favorites","EditorIcons") );
	favorites->set_text(0,TTR("Favorites:"));
	favorites->set_selectable(0,false);
	Vector<String> faves = 	EditorSettings::get_singleton()->get_favorite_dirs();
	for(int i=0;i<faves.size();i++) {
		if (!faves[i].begins_with("res://"))
			continue;

		TreeItem *ti = tree->create_item(favorites);
		String fv = faves[i];
		if (fv=="res://")
			ti->set_text(0,"/");
		else
			ti->set_text(0,faves[i].get_file());
		ti->set_icon(0,get_icon("Folder","EditorIcons"));
		ti->set_selectable(0,true);
		ti->set_metadata(0,faves[i]);
	}

	_create_tree(root,EditorFileSystem::get_singleton()->get_filesystem());
	updating_tree=false;

}


void FileSystemDock::_notification(int p_what) {

	switch(p_what) {

		case NOTIFICATION_RESIZED: {


			bool new_mode = get_size().height < get_viewport_rect().size.height*3/4;

			if (new_mode != split_mode ) {

				split_mode=new_mode;

				//print_line("SPLIT MODE? "+itos(split_mode));
				if (split_mode) {

					file_list_vb->hide();
					tree->set_custom_minimum_size(Size2(0,0));
					tree->set_v_size_flags(SIZE_EXPAND_FILL);
					button_back->show();
				} else {

					tree->show();
					file_list_vb->show();
					tree->set_custom_minimum_size(Size2(0,200)*EDSCALE);
					tree->set_v_size_flags(SIZE_FILL);
					button_back->hide();
					if (!EditorFileSystem::get_singleton()->is_scanning()) {
						_fs_changed();
					}
				}
			}


		} break;
		case NOTIFICATION_ENTER_TREE: {

			if (initialized)
				return;
			initialized=true;

			EditorFileSystem::get_singleton()->connect("filesystem_changed",this,"_fs_changed");
			EditorResourcePreview::get_singleton()->connect("preview_invalidated",this,"_preview_invalidated");

			button_reload->set_icon( get_icon("Reload","EditorIcons"));
			button_favorite->set_icon( get_icon("Favorites","EditorIcons"));
			//button_instance->set_icon( get_icon("Add","EditorIcons"));
			//button_open->set_icon( get_icon("Folder","EditorIcons"));
			button_back->set_icon( get_icon("Filesystem","EditorIcons"));
			if (display_mode == DISPLAY_THUMBNAILS) {
				button_display_mode->set_icon(get_icon("FileList","EditorIcons"));
			} else {
				button_display_mode->set_icon(get_icon("FileThumbnail","EditorIcons"));
			}
			button_display_mode->connect("pressed",this,"_change_file_display");
			//file_options->set_icon( get_icon("Tools","EditorIcons"));
			files->connect("item_activated",this,"_select_file");
			button_hist_next->connect("pressed",this,"_fw_history");
			button_hist_prev->connect("pressed",this,"_bw_history");
			search_icon->set_texture( get_icon("Zoom","EditorIcons"));

			button_hist_next->set_icon( get_icon("Forward","EditorIcons"));
			button_hist_prev->set_icon( get_icon("Back","EditorIcons"));
			file_options->connect("id_pressed",this,"_file_option");
			folder_options->connect("id_pressed",this,"_folder_option");


			button_back->connect("pressed",this,"_go_to_tree",varray(),CONNECT_DEFERRED);
			current_path->connect("text_entered",this,"_go_to_dir");
			_update_tree(); //maybe it finished already

			if (EditorFileSystem::get_singleton()->is_scanning()) {
				_set_scanning_mode();
			}

		} break;
		case NOTIFICATION_PROCESS: {
			if (EditorFileSystem::get_singleton()->is_scanning()) {
				scanning_progress->set_value(EditorFileSystem::get_singleton()->get_scanning_progress()*100);
			}
		} break;
		case NOTIFICATION_EXIT_TREE: {

		} break;
		case NOTIFICATION_DRAG_BEGIN: {

			Dictionary dd = get_viewport()->gui_get_drag_data();
			if (tree->is_visible_in_tree() && dd.has("type") ) {
				if  ( (String(dd["type"])=="files") || (String(dd["type"])=="files_and_dirs") || (String(dd["type"])=="resource")) {
					tree->set_drop_mode_flags(Tree::DROP_MODE_ON_ITEM);
				}
				if  ( (String(dd["type"])=="favorite") ) {
					tree->set_drop_mode_flags(Tree::DROP_MODE_INBETWEEN);
				}
			}


		} break;
		case NOTIFICATION_DRAG_END: {

			tree->set_drop_mode_flags(0);

		} break;
		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {

			int new_mode = int(EditorSettings::get_singleton()->get("docks/filesystem/display_mode"));

			if (new_mode != display_mode) {
				set_display_mode(new_mode);
			} else {
				_update_files(true);
			}
		} break;
	}

}




void FileSystemDock::_dir_selected() {

	TreeItem *ti = tree->get_selected();
	if (!ti)
		return;
	String dir = ti->get_metadata(0);
	bool found=false;
	Vector<String> favorites = EditorSettings::get_singleton()->get_favorite_dirs();
	for(int i=0;i<favorites.size();i++) {

		if (favorites[i]==dir) {
			found=true;
			break;
		}
	}


	button_favorite->set_pressed(found);

	if (!split_mode) {
		_open_pressed(); //go directly to dir
	}

}


void FileSystemDock::_favorites_pressed() {

	TreeItem *sel = tree->get_selected();
	if (!sel)
		return ;
	String dir = sel->get_metadata(0);

	int idx = -1;
	Vector<String> favorites = EditorSettings::get_singleton()->get_favorite_dirs();
	for(int i=0;i<favorites.size();i++) {

		if (favorites[i]==dir) {
			idx=i;
			break;
		}
	}

	if (button_favorite->is_pressed() && idx==-1) {
		favorites.push_back(dir);
		EditorSettings::get_singleton()->set_favorite_dirs(favorites);
		_update_tree();
	} else if (!button_favorite->is_pressed() && idx!=-1) {
		favorites.remove(idx);
		EditorSettings::get_singleton()->set_favorite_dirs(favorites);
		_update_tree();
	}

}

String FileSystemDock::get_selected_path() const {

	TreeItem *sel = tree->get_selected();
	if (!sel)
		return "";
	String path = sel->get_metadata(0);
	return "res://"+path;
}

String FileSystemDock::get_current_path() const {

	return path;
}

void FileSystemDock::_thumbnail_done(const String& p_path,const Ref<Texture>& p_preview, const Variant& p_udata) {

	bool valid=false;

	if (search_box->is_visible()) {
		valid=true;
	} else {
		valid=(path==p_path.get_base_dir());
	}

	if (p_preview.is_valid() && valid) {

		Array uarr=p_udata;
		int idx=uarr[0];
		String file=uarr[1];
		if (idx>=files->get_item_count())
			return;
		if (files->get_item_text(idx)!=file)
			return;
		String fpath = files->get_item_metadata(idx);
		if (fpath!=p_path)
			return;
		files->set_item_icon(idx,p_preview);

	}

}

void FileSystemDock::_change_file_display() {

	if (button_display_mode->is_pressed()) {
		display_mode = DISPLAY_LIST;
		button_display_mode->set_icon( get_icon("FileThumbnail","EditorIcons"));
	} else {
		display_mode = DISPLAY_THUMBNAILS;
		button_display_mode->set_icon( get_icon("FileList","EditorIcons"));
	}

	EditorSettings::get_singleton()->set("docks/filesystem/display_mode", display_mode);

	_update_files(true);
}

void FileSystemDock::_search(EditorFileSystemDirectory *p_path,List<FileInfo>* matches,int p_max_items) {

	if (matches->size()>p_max_items)
		return;

	for(int i=0;i<p_path->get_subdir_count();i++) {
		_search(p_path->get_subdir(i),matches,p_max_items);

	}

	String match = search_box->get_text();

	for(int i=0;i<p_path->get_file_count();i++) {
		String file = p_path->get_file(i);

		if (file.find(match)!=-1) {

			FileInfo fi;
			fi.name=file;
			fi.type=p_path->get_file_type(i);
			fi.path=p_path->get_file_path(i);
			if (p_path->get_file_meta(i)) {
				if (p_path->is_missing_sources(i)) {
					fi.import_status=3;
				} else if (p_path->have_sources_changed(i)) {
					fi.import_status=2;
				} else {
					fi.import_status=1;
				}
			} else {
				fi.import_status=0;
			}
			for(int j=0;j<p_path->get_source_count(i);j++) {
				String s = EditorImportPlugin::expand_source_path(p_path->get_source_file(i,j));
				if (p_path->is_source_file_missing(i,j)) {
					s+=" (Missing)";
				}
				fi.sources.push_back(s);
			}

			matches->push_back(fi);
			if (matches->size()>p_max_items)
				return;
		}
	}
}

void FileSystemDock::_update_files(bool p_keep_selection) {

	Set<String> cselection;

	if (p_keep_selection) {

		for(int i=0;i<files->get_item_count();i++) {

			if (files->is_selected(i))
				cselection.insert(files->get_item_text(i));
		}
	}

	files->clear();

	current_path->set_text(path);


	EditorFileSystemDirectory *efd = EditorFileSystem::get_singleton()->get_filesystem_path(path);
	if (!efd)
		return;

	int thumbnail_size = EditorSettings::get_singleton()->get("docks/filesystem/thumbnail_size");
	thumbnail_size*=EDSCALE;
	Ref<Texture> folder_thumbnail;
	Ref<Texture> file_thumbnail;

	bool use_thumbnails = (display_mode == DISPLAY_THUMBNAILS);
	bool use_folders = search_box->get_text().length()==0 && split_mode;

	if (use_thumbnails) { //thumbnails

		files->set_max_columns(0);
		files->set_icon_mode(ItemList::ICON_MODE_TOP);
		files->set_fixed_column_width(thumbnail_size*3/2);
		files->set_max_text_lines(2);
		files->set_fixed_icon_size(Size2(thumbnail_size,thumbnail_size));

		if (!has_icon("ResizedFolder","EditorIcons")) {
			Ref<ImageTexture> folder = get_icon("FolderBig","EditorIcons");
			Image img = folder->get_data();
			img.resize(thumbnail_size,thumbnail_size);
			Ref<ImageTexture> resized_folder = Ref<ImageTexture>( memnew( ImageTexture));
			resized_folder->create_from_image(img,0);
			Theme::get_default()->set_icon("ResizedFolder","EditorIcons",resized_folder);
		}

		folder_thumbnail = get_icon("ResizedFolder","EditorIcons");

		if (!has_icon("ResizedFile","EditorIcons")) {
			Ref<ImageTexture> file = get_icon("FileBig","EditorIcons");
			Image img = file->get_data();
			img.resize(thumbnail_size,thumbnail_size);
			Ref<ImageTexture> resized_file = Ref<ImageTexture>( memnew( ImageTexture));
			resized_file->create_from_image(img,0);
			Theme::get_default()->set_icon("ResizedFile","EditorIcons",resized_file);
		}

		file_thumbnail = get_icon("ResizedFile","EditorIcons");

	} else {

		files->set_icon_mode(ItemList::ICON_MODE_LEFT);
		files->set_max_columns(1);
		files->set_max_text_lines(1);
		files->set_fixed_column_width(0);
		files->set_fixed_icon_size(Size2());

	}

	if (use_folders) {

		if (path!="res://") {

			if (use_thumbnails) {
				files->add_item("..",folder_thumbnail,true);
			} else {
				files->add_item("..",get_icon("folder","FileDialog"),true);
			}

			String bd = path.get_base_dir();
			if (bd!="res://" && !bd.ends_with("/"))
				bd+="/";

			files->set_item_metadata(files->get_item_count()-1,bd);
		}

		for(int i=0;i<efd->get_subdir_count();i++) {

			String dname=efd->get_subdir(i)->get_name();


			if (use_thumbnails) {
				files->add_item(dname,folder_thumbnail,true);
			} else {
				files->add_item(dname,get_icon("folder","FileDialog"),true);
			}

			files->set_item_metadata(files->get_item_count()-1,path.plus_file(dname)+"/");

			if (cselection.has(dname))
				files->select(files->get_item_count()-1,false);
		}
	}


	List<FileInfo> filelist;

	if (search_box->get_text().length()) {

		if (search_box->get_text().length()>1) {
			_search(EditorFileSystem::get_singleton()->get_filesystem(),&filelist,128);
		}

		filelist.sort();
	} else {

		for(int i=0;i<efd->get_file_count();i++) {

			FileInfo fi;
			fi.name=efd->get_file(i);
			fi.path=path.plus_file(fi.name);
			fi.type=efd->get_file_type(i);
			if (efd->get_file_meta(i)) {
				if (efd->is_missing_sources(i)) {
					fi.import_status=3;
				} else if (efd->have_sources_changed(i)) {
					fi.import_status=2;
				} else {
					fi.import_status=1;
				}

				for(int j=0;j<efd->get_source_count(i);j++) {
					String s = EditorImportPlugin::expand_source_path(efd->get_source_file(i,j));
					if (efd->is_source_file_missing(i,j)) {
						s+=" (Missing)";
					}
					fi.sources.push_back(s);
				}
			} else {
				fi.import_status=0;
			}



			filelist.push_back(fi);
		}
	}

	StringName ei="EditorIcons"; //make it faster..
	StringName oi="Object";


	for(List<FileInfo>::Element *E=filelist.front();E;E=E->next()) {
		String fname=E->get().name;
		String fp = E->get().path;
		StringName type = E->get().type;

		Ref<Texture> type_icon;

		String tooltip=fname;

		if (E->get().import_status==0) {

			if (has_icon(type,ei)) {
				type_icon=get_icon(type,ei);
			} else {
				type_icon=get_icon(oi,ei);
			}
		} else if (E->get().import_status==1) {
			type_icon=get_icon("DependencyOk","EditorIcons");
		} else if (E->get().import_status==2) {
			type_icon=get_icon("DependencyChanged","EditorIcons");
			tooltip+"\nStatus: Needs Re-Import";
		} else if (E->get().import_status==3) {
			type_icon=get_icon("ImportFail","EditorIcons");
			tooltip+"\nStatus: Missing Dependencies";
		}

		if (E->get().sources.size()) {
			for(int i=0;i<E->get().sources.size();i++) {
				tooltip+="\nSource: "+E->get().sources[i];
			}
		}



		if (use_thumbnails) {
			files->add_item(fname,file_thumbnail,true);
			files->set_item_metadata(files->get_item_count()-1,fp);
			files->set_item_tag_icon(files->get_item_count()-1,type_icon);
			Array udata;
			udata.resize(2);
			udata[0]=files->get_item_count()-1;
			udata[1]=fname;
			EditorResourcePreview::get_singleton()->queue_resource_preview(fp,this,"_thumbnail_done",udata);
		} else {
			files->add_item(fname,type_icon,true);
			files->set_item_metadata(files->get_item_count()-1,fp);

		}

		if (cselection.has(fname))
			files->select(files->get_item_count()-1,false);

		files->set_item_tooltip(files->get_item_count()-1,tooltip);


	}


}

void FileSystemDock::_select_file(int p_idx) {

	files->select(p_idx,true);
	_file_option(FILE_OPEN);
}

void FileSystemDock::_go_to_tree() {

	tree->show();
	file_list_vb->hide();
	_update_tree();
	tree->grab_focus();
	tree->ensure_cursor_is_visible();
	button_favorite->show();
	//button_open->hide();
	//file_options->hide();
}

void FileSystemDock::_go_to_dir(const String& p_dir){

	DirAccess *da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
	if (da->change_dir(p_dir)==OK) {
		path=da->get_current_dir();
		_update_files(false);
	}
	current_path->set_text(path);
	memdelete(da);


}

void FileSystemDock::_preview_invalidated(const String& p_path) {

	if (p_path.get_base_dir()==path && search_box->get_text()==String() && file_list_vb->is_visible_in_tree()) {


		for(int i=0;i<files->get_item_count();i++) {

			if (files->get_item_metadata(i)==p_path) {
				//re-request preview
				Array udata;
				udata.resize(2);
				udata[0]=i;
				udata[1]=files->get_item_text(i);
				EditorResourcePreview::get_singleton()->queue_resource_preview(p_path,this,"_thumbnail_done",udata);
				break;
			}
		}
	}
}

void FileSystemDock::_fs_changed() {

	button_hist_prev->set_disabled(history_pos==0);
	button_hist_next->set_disabled(history_pos+1==history.size());
	scanning_vb->hide();
	split_box->show();

	if (tree->is_visible()) {
		button_favorite->show();
		_update_tree();

	}

	if (file_list_vb->is_visible()) {

		_update_files(true);
	}

	set_process(false);
}

void FileSystemDock::_set_scanning_mode() {

	split_box->hide();
	button_hist_prev->set_disabled(true);
	button_hist_next->set_disabled(true);
	scanning_vb->show();
	set_process(true);
	if (EditorFileSystem::get_singleton()->is_scanning()) {
		scanning_progress->set_value(EditorFileSystem::get_singleton()->get_scanning_progress()*100);
	} else {
		scanning_progress->set_value(0);
	}

}

void FileSystemDock::_fw_history() {

	if (history_pos<history.size()-1)
		history_pos++;

	path=history[history_pos];

	if (tree->is_visible()) {
		_update_tree();
		tree->grab_focus();
		tree->ensure_cursor_is_visible();

	}

	if (file_list_vb->is_visible()) {
		_update_files(false);
		current_path->set_text(path);
	}

	button_hist_prev->set_disabled(history_pos==0);
	button_hist_next->set_disabled(history_pos+1==history.size());

}

void FileSystemDock::_bw_history() {

	if (history_pos>0)
		history_pos--;

	path=history[history_pos];


	if (tree->is_visible()) {
		_update_tree();
		tree->grab_focus();
		tree->ensure_cursor_is_visible();
	}

	if (file_list_vb->is_visible()) {
		_update_files(false);
		current_path->set_text(path);
	}

	button_hist_prev->set_disabled(history_pos==0);
	button_hist_next->set_disabled(history_pos+1==history.size());

}

void FileSystemDock::_push_to_history() {

	history.resize(history_pos+1);
	if (history[history_pos]!=path) {
		history.push_back(path);
		history_pos++;
	}

	button_hist_prev->set_disabled(history_pos==0);
	button_hist_next->set_disabled(history_pos+1==history.size());

}


void FileSystemDock::_find_inside_move_files(EditorFileSystemDirectory *efsd,Vector<String>& files) {

	for(int i=0;i<efsd->get_subdir_count();i++) {
		_find_inside_move_files(efsd->get_subdir(i),files);
	}
	for(int i=0;i<efsd->get_file_count();i++) {
		files.push_back(efsd->get_file_path(i));
	}

}

void FileSystemDock::_find_remaps(EditorFileSystemDirectory *efsd,Map<String,String> &renames,List<String>& to_remaps) {

	for(int i=0;i<efsd->get_subdir_count();i++) {
		_find_remaps(efsd->get_subdir(i),renames,to_remaps);
	}
	for(int i=0;i<efsd->get_file_count();i++) {
		Vector<String> deps=efsd->get_file_deps(i);
		for(int j=0;j<deps.size();j++) {
			if (renames.has(deps[j])) {
				to_remaps.push_back(efsd->get_file_path(i));
				break;
			}
		}
	}
}


void FileSystemDock::_rename_operation(const String& p_to_path) {

	if (move_files[0]==p_to_path) {
		EditorNode::get_singleton()->show_warning(TTR("Same source and destination files, doing nothing."));
		return;
	}
	if (FileAccess::exists(p_to_path)) {
		EditorNode::get_singleton()->show_warning("Target file exists, can't overwrite. Delete first.");
		return;
	}

	Map<String,String> renames;
	renames[move_files[0]]=p_to_path;

	List<String> remap;

	_find_remaps(EditorFileSystem::get_singleton()->get_filesystem(),renames,remap);
	print_line("found files to remap: "+itos(remap.size()));

	//perform remaps
	for(List<String>::Element *E=remap.front();E;E=E->next()) {

		Error err = ResourceLoader::rename_dependencies(E->get(),renames);
		print_line("remapping: "+E->get());

		if (err!=OK) {
			EditorNode::get_singleton()->add_io_error("Can't rename deps for:\n"+E->get()+"\n");
		}
	}

	//finally, perform moves

	DirAccess *da=DirAccess::create(DirAccess::ACCESS_RESOURCES);

	Error err = da->rename(move_files[0],p_to_path);
	print_line("moving file "+move_files[0]+" to "+p_to_path);
	if (err!=OK) {
		EditorNode::get_singleton()->add_io_error("Error moving file:\n"+move_files[0]+"\n");
	}

	//rescan everything
	memdelete(da);
	print_line("call rescan!");
	_rescan();
}


void FileSystemDock::_move_operation(const String& p_to_path) {

	if (p_to_path==path) {
		EditorNode::get_singleton()->show_warning(TTR("Same source and destination paths, doing nothing."));
		return;
	}

	//find files inside dirs to be moved

	Vector<String> inside_files;

	for(int i=0;i<move_dirs.size();i++) {
		if (p_to_path.begins_with(move_dirs[i])) {
			EditorNode::get_singleton()->show_warning(TTR("Can't move directories to within themselves."));
			return;
		}

		EditorFileSystemDirectory *efsd=EditorFileSystem::get_singleton()->get_filesystem_path(move_dirs[i]);
		if (!efsd)
			continue;
		_find_inside_move_files(efsd,inside_files);
	}

	//make list of remaps
	Map<String,String> renames;
	String repfrom=path=="res://"?path:String(path+"/");
	String repto=p_to_path=="res://"?p_to_path:String(p_to_path+"/");

	for(int i=0;i<move_files.size();i++) {
		renames[move_files[i]]=move_files[i].replace_first(repfrom,repto);
		print_line("move file "+move_files[i]+" -> "+renames[move_files[i]]);
	}
	for(int i=0;i<inside_files.size();i++) {
		renames[inside_files[i]]=inside_files[i].replace_first(repfrom,repto);
		print_line("inside file "+inside_files[i]+" -> "+renames[inside_files[i]]);
	}

	//make list of files that will be run the remapping
	List<String> remap;

	_find_remaps(EditorFileSystem::get_singleton()->get_filesystem(),renames,remap);
	print_line("found files to remap: "+itos(remap.size()));

	//perform remaps
	for(List<String>::Element *E=remap.front();E;E=E->next()) {

		Error err = ResourceLoader::rename_dependencies(E->get(),renames);
		print_line("remapping: "+E->get());

		if (err!=OK) {
			EditorNode::get_singleton()->add_io_error("Can't rename deps for:\n"+E->get()+"\n");
		}
	}

	//finally, perform moves

	DirAccess *da=DirAccess::create(DirAccess::ACCESS_RESOURCES);

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

		String to = move_files[i].replace_first(repfrom,repto);
		Error err = da->rename(move_files[i],to);
		print_line("moving file "+move_files[i]+" to "+to);
		if (err!=OK) {
			EditorNode::get_singleton()->add_io_error("Error moving file:\n"+move_files[i]+"\n");
		}
	}

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

		String mdir = move_dirs[i];
		if (mdir=="res://")
			continue;

		if (mdir.ends_with("/")) {
			mdir=mdir.substr(0,mdir.length()-1);
		}

		String to = p_to_path.plus_file(mdir.get_file());
		Error err = da->rename(mdir,to);
		print_line("moving dir "+mdir+" to "+to);
		if (err!=OK) {
			EditorNode::get_singleton()->add_io_error("Error moving dir:\n"+move_dirs[i]+"\n");
		}
	}

	memdelete(da);
	//rescan everything
	print_line("call rescan!");
	_rescan();

}

void FileSystemDock::_file_option(int p_option) {

	switch(p_option) {


		case FILE_SHOW_IN_EXPLORER:
		case FILE_OPEN: {
			int idx=-1;
			for(int i=0;i<files->get_item_count();i++) {
				if (files->is_selected(i)) {
					idx=i;
					break;
				}
			}

			if (idx<0)
				return;



			String path = files->get_item_metadata(idx);
			if (p_option == FILE_SHOW_IN_EXPLORER) {
				String dir = GlobalConfig::get_singleton()->globalize_path(path);
				dir = dir.substr(0, dir.find_last("/"));
				OS::get_singleton()->shell_open(String("file://")+dir);
				return;
			}

			if (path.ends_with("/")) {
				if (path!="res://") {
					path=path.substr(0,path.length()-1);
				}
				this->path=path;
				_update_files(false);
				current_path->set_text(path);
				_push_to_history();
			} else {

				if (ResourceLoader::get_resource_type(path)=="PackedScene") {

					editor->open_request(path);
				} else {

					editor->load_resource(path);
				}
			}
		} break;
		case FILE_INSTANCE: {

			Vector<String> paths;

			for (int i = 0; i<files->get_item_count(); i++) {
				if (!files->is_selected(i))
					continue;
				String path =files->get_item_metadata(i);
				if (EditorFileSystem::get_singleton()->get_file_type(path)=="PackedScene") {
					paths.push_back(path);
				}
			}

			if (!paths.empty()) {
				emit_signal("instance", paths);
			}
		} break;
		case FILE_DEPENDENCIES: {

			int idx = files->get_current();
			if (idx<0 || idx>=files->get_item_count())
				break;
			String path = files->get_item_metadata(idx);
			deps_editor->edit(path);
		} break;
		case FILE_OWNERS: {

			int idx = files->get_current();
			if (idx<0 || idx>=files->get_item_count())
				break;
			String path = files->get_item_metadata(idx);
			owners_editor->show(path);
		} break;
		case FILE_MOVE: {

			move_dirs.clear();
			move_files.clear();

			for(int i=0;i<files->get_item_count();i++) {

				String path = files->get_item_metadata(i);
				if (!files->is_selected(i))
					continue;

				 if (files->get_item_text(i)=="..") {
					 EditorNode::get_singleton()->show_warning(TTR("Can't operate on '..'"));
					 return;
				 }

				if (path.ends_with("/")) {
					move_dirs.push_back(path.substr(0,path.length()-1));
				} else {
					move_files.push_back(path);
				}
			}


			if (move_dirs.empty() && move_files.size()==1) {

				rename_dialog->clear_filters();
				rename_dialog->add_filter("*."+move_files[0].get_extension());
				rename_dialog->set_mode(EditorFileDialog::MODE_SAVE_FILE);
				rename_dialog->set_current_path(move_files[0]);
				rename_dialog->popup_centered_ratio();
				rename_dialog->set_title(TTR("Pick New Name and Location For:")+" "+move_files[0].get_file());


			} else {
				//just move
				move_dialog->popup_centered_ratio();
			}


		} break;
		case FILE_REMOVE: {

			Vector<String> torem;

			for(int i=0;i<files->get_item_count();i++) {

				String path = files->get_item_metadata(i);
				if (path.ends_with("/") || !files->is_selected(i))
					continue;
				torem.push_back(path);

			}

			if (torem.empty()) {
				EditorNode::get_singleton()->show_warning(TTR("No files selected!"));
				break;
			}

			remove_dialog->show(torem);
			//1) find if used
			//2) warn

		} break;
		case FILE_INFO: {

		} break;
		case FILE_REIMPORT: {


			Vector<String> reimport;
			for(int i=0;i<files->get_item_count();i++) {

				if (!files->is_selected(i))
					continue;

				String path = files->get_item_metadata(i);
				reimport.push_back(path);
			}

			ERR_FAIL_COND(reimport.size()==0);

			Ref<ResourceImportMetadata> rimd = ResourceLoader::load_import_metadata(reimport[0]);
			ERR_FAIL_COND(!rimd.is_valid());
			String editor=rimd->get_editor();

			if (editor.begins_with("texture_")) { //compatibility fix for old texture format
				editor="texture";
			}

			Ref<EditorImportPlugin> rimp = EditorImportExport::get_singleton()->get_import_plugin_by_name(editor);
			ERR_FAIL_COND(!rimp.is_valid());

			if (reimport.size()==1) {
				rimp->import_dialog(reimport[0]);
			} else {
				rimp->reimport_multiple_files(reimport);

			}

		} break;
		case FILE_COPY_PATH:

			int idx = files->get_current();
			if (idx<0 || idx>=files->get_item_count())
				break;
			String path = files->get_item_metadata(idx);
			OS::get_singleton()->set_clipboard(path);
	}
}

void FileSystemDock::_folder_option(int p_option) {

	TreeItem *item = tree->get_selected();
	TreeItem *child = item->get_children();

	switch(p_option) {
		
		case FOLDER_EXPAND_ALL:
			item->set_collapsed(false);
			while(child) {
				child->set_collapsed(false);
				child = child->get_next();
			}
			break;

		case FOLDER_COLLAPSE_ALL:
			while(child) {
				child->set_collapsed(true);
				child = child->get_next();
			}
			break;
	}
}

void FileSystemDock::_open_pressed(){


	TreeItem *sel = tree->get_selected();
	if (!sel) {
		return;
	}
	path = sel->get_metadata(0);
	/*if (path!="res://" && path.ends_with("/")) {
		path=path.substr(0,path.length()-1);
	}*/

	//tree_mode=false;

	if (split_mode) {
		tree->hide();
		file_list_vb->show();
		button_favorite->hide();
	}

	//file_options->show();

	_update_files(false);
	current_path->set_text(path);
	_push_to_history();

	//emit_signal("open",path);

}

void FileSystemDock::_dir_rmb_pressed(const Vector2& p_pos) {
	folder_options->clear();
	folder_options->set_size(Size2(1,1));

	folder_options->add_item(TTR("Expand all"),FOLDER_EXPAND_ALL);
	folder_options->add_item(TTR("Collapse all"),FOLDER_COLLAPSE_ALL);

	folder_options->set_pos(files->get_global_pos() + p_pos);
	folder_options->popup();
}


void FileSystemDock::_search_changed(const String& p_text) {

	if (!search_box->is_visible_in_tree())
		return; //wtf

	_update_files(false);
}

void FileSystemDock::_rescan() {

	_set_scanning_mode();
	EditorFileSystem::get_singleton()->scan();

}

void FileSystemDock::fix_dependencies(const String& p_for_file) {
	deps_editor->edit(p_for_file);
}


void FileSystemDock::focus_on_filter() {

	if (!search_box->is_visible_in_tree()) {
		// Tree mode, switch to files list with search box
		tree->hide();
		file_list_vb->show();
		button_favorite->hide();
	}

	search_box->grab_focus();
}

void FileSystemDock::set_display_mode(int p_mode) {

	if (p_mode == display_mode)
		return;

	button_display_mode->set_pressed(p_mode == DISPLAY_LIST);
	_change_file_display();
}


Variant FileSystemDock::get_drag_data_fw(const Point2& p_point,Control* p_from) {

	if (p_from==tree) {

		TreeItem *selected = tree->get_selected();
		if (!selected)
			return Variant();

		String path = selected->get_metadata(0);
		if (path==String())
			return Variant();
		if (!path.ends_with("/"))
			path=path+"/";
		Vector<String> paths;
		paths.push_back(path);
		Dictionary d = EditorNode::get_singleton()->drag_files(paths,p_from);

		if (selected->get_parent() && tree->get_root()->get_children()==selected->get_parent()) {
			//a favorite.. treat as such
			d["type"]="favorite";
		}

		return d;

	}

	if (p_from==files) {

		List<int> seldirs;
		List<int> selfiles;

		for (int i = 0; i<files->get_item_count(); i++) {
			if (files->is_selected(i)) {
				String path = files->get_item_metadata(i);
				if (path.ends_with("/"))
					seldirs.push_back(i);
				else
					selfiles.push_back(i);
			}
		}

		if (seldirs.empty() && selfiles.empty())
			return Variant();
		/*
		if (seldirs.size() && selfiles.size())
			return Variant(); //can't really mix files and dirs (i think?) - yes you can, commenting
		*/

		/*if (selfiles.size()==1) {
			Ref<Resource> resource = ResourceLoader::load(files->get_item_metadata(selfiles.front()->get()));
			if (resource.is_valid()) {
				return EditorNode::get_singleton()->drag_resource(resource,p_from);
			}
		}*/

		if (selfiles.size()>0 && seldirs.size()==0) {
			Vector<String> fnames;
			for(List<int>::Element *E=selfiles.front();E;E=E->next()) {
				fnames.push_back(files->get_item_metadata(E->get()));
			}
			return EditorNode::get_singleton()->drag_files(fnames,p_from);
		}

		if (selfiles.size()>0 || seldirs.size()>0) {
			Vector<String> fnames;
			for(List<int>::Element *E=selfiles.front();E;E=E->next()) {
				fnames.push_back(files->get_item_metadata(E->get()));
			}
			for(List<int>::Element *E=seldirs.front();E;E=E->next()) {
				fnames.push_back(files->get_item_metadata(E->get()));
			}
			return EditorNode::get_singleton()->drag_files_and_dirs(fnames,p_from);
		}

	}

	return Variant();
}

bool FileSystemDock::can_drop_data_fw(const Point2& p_point,const Variant& p_data,Control* p_from) const{

	Dictionary drag_data = p_data;

	if (drag_data.has("type") && String(drag_data["type"])=="favorite") {

		//moving favorite around
		TreeItem *ti = tree->get_item_at_pos(p_point);
		if (!ti)
			return false;

		int what = tree->get_drop_section_at_pos(p_point);

		if (ti==tree->get_root()->get_children()) {
			return (what==1); //the parent, first fav
		}
		if (ti->get_parent() && tree->get_root()->get_children()==ti->get_parent()) {
			return true; // a favorite
		}

		if (ti==tree->get_root()->get_children()->get_next()) {
			return (what==-1); //the tree, last fav
		}

		return false;

	}


	if (drag_data.has("type") && String(drag_data["type"])=="resource") {
		return true;
	}

	if (drag_data.has("type") && ( String(drag_data["type"])=="files" || String(drag_data["type"])=="files_and_dirs")) {

		Vector<String> fnames = drag_data["files"];

		if (p_from==files) {

			int at_pos = files->get_item_at_pos(p_point);
			if (at_pos!=-1) {

				String dir = files->get_item_metadata(at_pos);
				if (dir.ends_with("/"))
					return true;
			}
		}

		if (p_from==tree) {

			TreeItem *ti = tree->get_item_at_pos(p_point);
			if (!ti)
				return false;
			String path = ti->get_metadata(0);

			if (path==String())
				return false;

			return true;
		}

	}

	return false;
}

void FileSystemDock::drop_data_fw(const Point2& p_point,const Variant& p_data,Control* p_from){

	if (!can_drop_data_fw(p_point,p_data,p_from))
		return;
	Dictionary drag_data = p_data;

	if (drag_data.has("type") && String(drag_data["type"])=="favorite") {

		//moving favorite around
		TreeItem *ti = tree->get_item_at_pos(p_point);
		if (!ti)
			return;

		Vector<String> files = drag_data["files"];

		ERR_FAIL_COND(files.size()!=1);

		String swap = files[0];
		if (swap!="res://" && swap.ends_with("/")) {
			swap=swap.substr(0,swap.length()-1);
		}

		int what = tree->get_drop_section_at_pos(p_point);

		TreeItem *swap_item=NULL;

		if (ti==tree->get_root()->get_children()) {
			swap_item=tree->get_root()->get_children()->get_children();

		} else if (ti->get_parent() && tree->get_root()->get_children()==ti->get_parent()) {
			if (what==-1) {
				swap_item=ti;
			} else {
				swap_item=ti->get_next();
			}
		}

		String swap_with;

		if (swap_item) {
			swap_with=swap_item->get_metadata(0);
			if (swap_with!="res://" && swap_with.ends_with("/")) {
				swap_with=swap_with.substr(0,swap_with.length()-1);
			}
		}

		if (swap==swap_with)
			return;

		Vector<String> dirs = EditorSettings::get_singleton()->get_favorite_dirs();

		ERR_FAIL_COND(dirs.find(swap)==-1);
		ERR_FAIL_COND(swap_with!=String() && dirs.find(swap_with)==-1);

		dirs.erase(swap);

		if (swap_with==String()) {
			dirs.push_back(swap);
		} else {
			int idx = dirs.find(swap_with);
			dirs.insert(idx,swap);
		}

		EditorSettings::get_singleton()->set_favorite_dirs(dirs);
		_update_tree();
		return;

	}

	if (drag_data.has("type") && String(drag_data["type"])=="resource") {
		Ref<Resource> res = drag_data["resource"];

		if (!res.is_valid()) {
			return;
		}


		if (p_from==tree) {

			TreeItem *ti = tree->get_item_at_pos(p_point);
			if (!ti)
				return;
			String path = ti->get_metadata(0);

			if (path==String())
				return;

			EditorNode::get_singleton()->save_resource_as(res,path);
			return;

		}

		if (p_from==files) {
			String save_path=path;

			int at_pos = files->get_item_at_pos(p_point);
			if (at_pos!=-1) {
				String to_dir = files->get_item_metadata(at_pos);
				if (to_dir.ends_with("/")) {
					save_path=to_dir;
					if (save_path!="res://")
						save_path=save_path.substr(0,save_path.length()-1);
				}

			}

			EditorNode::get_singleton()->save_resource_as(res,save_path);
			return;
		}
	}

	if (drag_data.has("type") && ( String(drag_data["type"])=="files" || String(drag_data["type"])=="files_and_dirs")) {

		if (p_from==files || p_from==tree) {

			String to_dir;

			if (p_from==files) {

				int at_pos = files->get_item_at_pos(p_point);
				ERR_FAIL_COND(at_pos==-1);
				to_dir = files->get_item_metadata(at_pos);
			}  else {
				TreeItem *ti = tree->get_item_at_pos(p_point);
				if (!ti)
					return;
				to_dir = ti->get_metadata(0);
				ERR_FAIL_COND(to_dir==String());

			}

			if (to_dir!="res://" && to_dir.ends_with("/")) {
				to_dir=to_dir.substr(0,to_dir.length()-1);
			}

			Vector<String> fnames = drag_data["files"];
			move_files.clear();
			move_dirs.clear();

			for(int i=0;i<fnames.size();i++) {
				if (fnames[i].ends_with("/"))
					move_dirs.push_back(fnames[i]);
				else
					move_files.push_back(fnames[i]);
			}

			_move_operation(to_dir);
		}
	}

}

void FileSystemDock::_files_list_rmb_select(int p_item,const Vector2& p_pos) {

	Vector<String> filenames;

	bool all_scenes=true;
	bool all_can_reimport=true;
	Set<String> types;

	for(int i=0;i<files->get_item_count();i++) {

		if (!files->is_selected(i))
			continue;

		String path = files->get_item_metadata(i);

		if (files->get_item_text(i)=="..") {
			// no operate on ..
			 return;
		}

		if (path.ends_with("/")) {
			//no operate on dirs
			return;
		}


		EditorFileSystemDirectory *efsd=NULL;
		int pos;

		efsd = EditorFileSystem::get_singleton()->find_file(path,&pos);

		if (efsd) {


			if (!efsd->get_file_meta(pos)) {
				all_can_reimport=false;


			} else {
				Ref<ResourceImportMetadata> rimd = ResourceLoader::load_import_metadata(path);
				if (rimd.is_valid()) {

					String editor=rimd->get_editor();
					if (editor.begins_with("texture_")) { //compatibility fix for old texture format
						editor="texture";
					}
					types.insert(editor);

				} else {
					all_can_reimport=false;

				}
			}
		} else {
			all_can_reimport=false;

		}

		filenames.push_back(path);
		if (EditorFileSystem::get_singleton()->get_file_type(path)!="PackedScene")
			all_scenes=false;
	}


	if (filenames.size()==0)
		return;

	file_options->clear();
	file_options->set_size(Size2(1,1));

	file_options->add_item(TTR("Open"),FILE_OPEN);
	if (all_scenes) {
		file_options->add_item(TTR("Instance"),FILE_INSTANCE);
	}

	file_options->add_separator();

	if (filenames.size()==1) {
		file_options->add_item(TTR("Edit Dependencies.."),FILE_DEPENDENCIES);
		file_options->add_item(TTR("View Owners.."),FILE_OWNERS);
		file_options->add_separator();
	}

	if (filenames.size()==1) {
		file_options->add_item(TTR("Copy Path"), FILE_COPY_PATH);
		file_options->add_item(TTR("Rename or Move.."),FILE_MOVE);
	} else {
		file_options->add_item(TTR("Move To.."),FILE_MOVE);
	}


	file_options->add_item(TTR("Delete"),FILE_REMOVE);

	//file_options->add_item(TTR("Info"),FILE_INFO);

	file_options->add_separator();
	file_options->add_item(TTR("Show In File Manager"),FILE_SHOW_IN_EXPLORER);

	if (all_can_reimport && types.size()==1) { //all can reimport and are of the same type


		bool valid=true;
		Ref<EditorImportPlugin> rimp = EditorImportExport::get_singleton()->get_import_plugin_by_name(types.front()->get());
		if (rimp.is_valid()) {

			if (filenames.size()>1 && !rimp->can_reimport_multiple_files())	{
				valid=false;
			}
		} else {
			valid=false;
		}

		if (valid) {
			file_options->add_separator();
			file_options->add_item(TTR("Re-Import.."),FILE_REIMPORT);
		}
	}

	file_options->set_pos(files->get_global_pos() + p_pos);
	file_options->popup();

}

void FileSystemDock::_bind_methods() {

	ClassDB::bind_method(_MD("_update_tree"),&FileSystemDock::_update_tree);
	ClassDB::bind_method(_MD("_rescan"),&FileSystemDock::_rescan);
	ClassDB::bind_method(_MD("_favorites_pressed"),&FileSystemDock::_favorites_pressed);
	//ClassDB::bind_method(_MD("_instance_pressed"),&ScenesDock::_instance_pressed);
	ClassDB::bind_method(_MD("_open_pressed"),&FileSystemDock::_open_pressed);
	ClassDB::bind_method(_MD("_dir_rmb_pressed"),&FileSystemDock::_dir_rmb_pressed);

	ClassDB::bind_method(_MD("_thumbnail_done"),&FileSystemDock::_thumbnail_done);
	ClassDB::bind_method(_MD("_select_file"), &FileSystemDock::_select_file);
	ClassDB::bind_method(_MD("_go_to_tree"), &FileSystemDock::_go_to_tree);
	ClassDB::bind_method(_MD("_go_to_dir"), &FileSystemDock::_go_to_dir);
	ClassDB::bind_method(_MD("_change_file_display"), &FileSystemDock::_change_file_display);
	ClassDB::bind_method(_MD("_fw_history"), &FileSystemDock::_fw_history);
	ClassDB::bind_method(_MD("_bw_history"), &FileSystemDock::_bw_history);
	ClassDB::bind_method(_MD("_fs_changed"), &FileSystemDock::_fs_changed);
	ClassDB::bind_method(_MD("_dir_selected"), &FileSystemDock::_dir_selected);
	ClassDB::bind_method(_MD("_file_option"), &FileSystemDock::_file_option);
	ClassDB::bind_method(_MD("_folder_option"), &FileSystemDock::_folder_option);
	ClassDB::bind_method(_MD("_move_operation"), &FileSystemDock::_move_operation);
	ClassDB::bind_method(_MD("_rename_operation"), &FileSystemDock::_rename_operation);

	ClassDB::bind_method(_MD("_search_changed"), &FileSystemDock::_search_changed);

	ClassDB::bind_method(_MD("get_drag_data_fw"), &FileSystemDock::get_drag_data_fw);
	ClassDB::bind_method(_MD("can_drop_data_fw"), &FileSystemDock::can_drop_data_fw);
	ClassDB::bind_method(_MD("drop_data_fw"), &FileSystemDock::drop_data_fw);
	ClassDB::bind_method(_MD("_files_list_rmb_select"),&FileSystemDock::_files_list_rmb_select);

	ClassDB::bind_method(_MD("_preview_invalidated"),&FileSystemDock::_preview_invalidated);


	ADD_SIGNAL(MethodInfo("instance", PropertyInfo(Variant::POOL_STRING_ARRAY, "files")));
	ADD_SIGNAL(MethodInfo("open"));

}

FileSystemDock::FileSystemDock(EditorNode *p_editor) {

	editor=p_editor;


	HBoxContainer *toolbar_hbc = memnew( HBoxContainer );
	add_child(toolbar_hbc);

	button_hist_prev = memnew( ToolButton );
	toolbar_hbc->add_child(button_hist_prev);
	button_hist_prev->set_disabled(true);
	button_hist_prev->set_tooltip(TTR("Previous Directory"));

	button_hist_next = memnew( ToolButton );
	toolbar_hbc->add_child(button_hist_next);
	button_hist_next->set_disabled(true);
	button_hist_prev->set_focus_mode(FOCUS_NONE);
	button_hist_next->set_focus_mode(FOCUS_NONE);
	button_hist_next->set_tooltip(TTR("Next Directory"));

	current_path=memnew( LineEdit );
	current_path->set_h_size_flags(SIZE_EXPAND_FILL);
	toolbar_hbc->add_child(current_path);


	button_reload = memnew( Button );
	button_reload->set_flat(true);
	button_reload->connect("pressed",this,"_rescan");
	toolbar_hbc->add_child(button_reload);
	button_reload->set_focus_mode(FOCUS_NONE);
	button_reload->set_tooltip(TTR("Re-Scan Filesystem"));
	button_reload->hide();

	//toolbar_hbc->add_spacer();


	button_favorite = memnew( Button );
	button_favorite->set_flat(true);
	button_favorite->set_toggle_mode(true);
	button_favorite->connect("pressed",this,"_favorites_pressed");
	toolbar_hbc->add_child(button_favorite);
	button_favorite->set_tooltip(TTR("Toggle folder status as Favorite"));

	button_favorite->set_focus_mode(FOCUS_NONE);

	//Control *spacer = memnew( Control);



/*
	button_open = memnew( Button );
	button_open->set_flat(true);
	button_open->connect("pressed",this,"_open_pressed");
	toolbar_hbc->add_child(button_open);
	button_open->hide();
	button_open->set_focus_mode(FOCUS_NONE);
	button_open->set_tooltip("Open the selected file.\nOpen as scene if a scene, or as resource otherwise.");


	button_instance = memnew( Button );
	button_instance->set_flat(true);
	button_instance->connect("pressed",this,"_instance_pressed");
	toolbar_hbc->add_child(button_instance);
	button_instance->hide();
	button_instance->set_focus_mode(FOCUS_NONE);
	button_instance->set_tooltip(TTR("Instance the selected scene(s) as child of the selected node."));

*/
	file_options = memnew( PopupMenu );
	add_child(file_options);

	folder_options = memnew ( PopupMenu );
	add_child(folder_options);

	split_box = memnew( VSplitContainer );
	add_child(split_box);
	split_box->set_v_size_flags(SIZE_EXPAND_FILL);

	tree = memnew( Tree );

	tree->set_hide_root(true);
	split_box->add_child(tree);
	tree->set_drag_forwarding(this);
	tree->set_allow_rmb_select(true);


	//tree->set_v_size_flags(SIZE_EXPAND_FILL);
	tree->connect("item_edited",this,"_favorite_toggled");
	tree->connect("item_activated",this,"_open_pressed");
	tree->connect("cell_selected",this,"_dir_selected");
	tree->connect("item_rmb_selected",this,"_dir_rmb_pressed");

	files = memnew( ItemList );
	files->set_v_size_flags(SIZE_EXPAND_FILL);
	files->set_select_mode(ItemList::SELECT_MULTI);
	files->set_drag_forwarding(this);
	files->connect("item_rmb_selected",this,"_files_list_rmb_select");
	files->set_allow_rmb_select(true);

	file_list_vb = memnew( VBoxContainer );
	split_box->add_child(file_list_vb);
	file_list_vb->set_v_size_flags(SIZE_EXPAND_FILL);

	path_hb = memnew( HBoxContainer );
	file_list_vb->add_child(path_hb);

	button_back  = memnew( ToolButton );
	path_hb->add_child(button_back);
	button_back->hide();

	search_box = memnew( LineEdit );
	search_box->set_h_size_flags(SIZE_EXPAND_FILL);
	path_hb->add_child(search_box);
	search_box->connect("text_changed",this,"_search_changed");

	search_icon = memnew( TextureRect );
	search_icon->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED);
	path_hb->add_child(search_icon);

	button_display_mode = memnew( ToolButton );
	path_hb->add_child(button_display_mode);
	button_display_mode->set_toggle_mode(true);

	file_list_vb->add_child(files);


	scanning_vb = memnew( VBoxContainer );
	Label *slabel = memnew( Label );
	slabel->set_text("Scanning Files,\nPlease Wait..");
	slabel->set_align(Label::ALIGN_CENTER);
	scanning_vb->add_child(slabel);
	scanning_progress = memnew( ProgressBar );
	scanning_vb->add_child(scanning_progress);
	add_child(scanning_vb);
	scanning_vb->hide();



	deps_editor = memnew( DependencyEditor );
	add_child(deps_editor);

	owners_editor = memnew( DependencyEditorOwners);
	add_child(owners_editor);

	remove_dialog = memnew( DependencyRemoveDialog);
	add_child(remove_dialog);

	move_dialog = memnew( EditorDirDialog );
	add_child(move_dialog);
	move_dialog->connect("dir_selected",this,"_move_operation");
	move_dialog->get_ok()->set_text(TTR("Move"));

	rename_dialog = memnew( EditorFileDialog );
	rename_dialog->set_mode(EditorFileDialog::MODE_SAVE_FILE);
	rename_dialog->connect("file_selected",this,"_rename_operation");
	add_child(rename_dialog);

	updating_tree=false;
	initialized=false;

	history.push_back("res://");
	history_pos=0;

	split_mode=false;
	display_mode = DISPLAY_THUMBNAILS;

	path="res://";


	add_constant_override("separation",3);
}

FileSystemDock::~FileSystemDock() {

}