/*************************************************************************/
/*  project_export.cpp                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include "project_export.h"

#include "core/compressed_translation.h"
#include "core/io/image_loader.h"
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "core/os/dir_access.h"
#include "core/os/file_access.h"
#include "core/os/os.h"
#include "core/project_settings.h"
#include "editor_data.h"
#include "editor_node.h"
#include "editor_scale.h"
#include "editor_settings.h"
#include "scene/gui/box_container.h"
#include "scene/gui/margin_container.h"
#include "scene/gui/scroll_container.h"
#include "scene/gui/tab_container.h"

void ProjectExportDialog::_notification(int p_what) {

	switch (p_what) {
		case NOTIFICATION_READY: {
			duplicate_preset->set_icon(get_icon("Duplicate", "EditorIcons"));
			delete_preset->set_icon(get_icon("Remove", "EditorIcons"));
			connect("confirmed", this, "_export_pck_zip");
			custom_feature_display->get_parent_control()->add_style_override("panel", get_stylebox("bg", "Tree"));
		} break;
		case NOTIFICATION_POPUP_HIDE: {
			EditorSettings::get_singleton()->set_project_metadata("dialog_bounds", "export", get_rect());
		} break;
		case NOTIFICATION_THEME_CHANGED: {
			duplicate_preset->set_icon(get_icon("Duplicate", "EditorIcons"));
			delete_preset->set_icon(get_icon("Remove", "EditorIcons"));
			Control *panel = custom_feature_display->get_parent_control();
			if (panel)
				panel->add_style_override("panel", get_stylebox("bg", "Tree"));
		} break;
	}
}

void ProjectExportDialog::popup_export() {

	add_preset->get_popup()->clear();
	for (int i = 0; i < EditorExport::get_singleton()->get_export_platform_count(); i++) {

		Ref<EditorExportPlatform> plat = EditorExport::get_singleton()->get_export_platform(i);

		add_preset->get_popup()->add_icon_item(plat->get_logo(), plat->get_name());
	}

	_update_presets();
	if (presets->get_current() >= 0) {
		_update_current_preset(); // triggers rescan for templates if newly installed
	}

	// Restore valid window bounds or pop up at default size.
	Rect2 saved_size = EditorSettings::get_singleton()->get_project_metadata("dialog_bounds", "export", Rect2());
	if (saved_size != Rect2()) {
		popup(saved_size);
	} else {
		popup_centered_clamped(Size2(900, 700) * EDSCALE, 0.8);
	}
}

void ProjectExportDialog::_add_preset(int p_platform) {

	Ref<EditorExportPreset> preset = EditorExport::get_singleton()->get_export_platform(p_platform)->create_preset();
	ERR_FAIL_COND(!preset.is_valid());

	String name = EditorExport::get_singleton()->get_export_platform(p_platform)->get_name();
	bool make_runnable = true;
	int attempt = 1;
	while (true) {

		bool valid = true;

		for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
			Ref<EditorExportPreset> p = EditorExport::get_singleton()->get_export_preset(i);
			if (p->get_platform() == preset->get_platform() && p->is_runnable()) {
				make_runnable = false;
			}
			if (p->get_name() == name) {
				valid = false;
				break;
			}
		}

		if (valid)
			break;

		attempt++;
		name = EditorExport::get_singleton()->get_export_platform(p_platform)->get_name() + " " + itos(attempt);
	}

	preset->set_name(name);
	if (make_runnable)
		preset->set_runnable(make_runnable);
	EditorExport::get_singleton()->add_export_preset(preset);
	_update_presets();
	_edit_preset(EditorExport::get_singleton()->get_export_preset_count() - 1);
}

void ProjectExportDialog::_update_current_preset() {

	_edit_preset(presets->get_current());
}

void ProjectExportDialog::_update_presets() {

	updating = true;

	Ref<EditorExportPreset> current;
	if (presets->get_current() >= 0 && presets->get_current() < presets->get_item_count())
		current = get_current_preset();

	int current_idx = -1;
	presets->clear();
	for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
		Ref<EditorExportPreset> preset = EditorExport::get_singleton()->get_export_preset(i);
		if (preset == current) {
			current_idx = i;
		}

		String name = preset->get_name();
		if (preset->is_runnable())
			name += " (" + TTR("Runnable") + ")";
		presets->add_item(name, preset->get_platform()->get_logo());
	}

	if (current_idx != -1) {
		presets->select(current_idx);
	}

	updating = false;
}

void ProjectExportDialog::_update_export_all() {

	bool can_export = EditorExport::get_singleton()->get_export_preset_count() > 0;

	for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
		Ref<EditorExportPreset> preset = EditorExport::get_singleton()->get_export_preset(i);
		bool needs_templates;
		String error;
		if (preset->get_export_path() == "" || !preset->get_platform()->can_export(preset, error, needs_templates)) {
			can_export = false;
			break;
		}
	}

	if (can_export) {
		export_all_button->set_disabled(false);
	} else {
		export_all_button->set_disabled(true);
	}
}

void ProjectExportDialog::_edit_preset(int p_index) {

	if (p_index < 0 || p_index >= presets->get_item_count()) {
		name->set_text("");
		name->set_editable(false);
		export_path->hide();
		runnable->set_disabled(true);
		parameters->edit(NULL);
		presets->unselect_all();
		duplicate_preset->set_disabled(true);
		delete_preset->set_disabled(true);
		sections->hide();
		patches->clear();
		export_error->hide();
		export_templates_error->hide();
		return;
	}

	Ref<EditorExportPreset> current = EditorExport::get_singleton()->get_export_preset(p_index);
	ERR_FAIL_COND(current.is_null());

	updating = true;

	presets->select(p_index);
	sections->show();

	name->set_editable(true);
	export_path->show();
	duplicate_preset->set_disabled(false);
	delete_preset->set_disabled(false);
	name->set_text(current->get_name());

	List<String> extension_list = current->get_platform()->get_binary_extensions(current);
	Vector<String> extension_vector;
	for (int i = 0; i < extension_list.size(); i++) {
		extension_vector.push_back("*." + extension_list[i]);
	}

	export_path->setup(extension_vector, false, true);
	export_path->update_property();
	runnable->set_disabled(false);
	runnable->set_pressed(current->is_runnable());
	parameters->edit(current.ptr());

	export_filter->select(current->get_export_filter());
	include_filters->set_text(current->get_include_filter());
	exclude_filters->set_text(current->get_exclude_filter());

	patches->clear();
	TreeItem *patch_root = patches->create_item();
	Vector<String> patchlist = current->get_patches();
	for (int i = 0; i < patchlist.size(); i++) {
		TreeItem *patch = patches->create_item(patch_root);
		patch->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
		String file = patchlist[i].get_file();
		patch->set_editable(0, true);
		patch->set_text(0, file.get_file().replace("*", ""));
		if (file.ends_with("*"))
			patch->set_checked(0, true);
		patch->set_tooltip(0, patchlist[i]);
		patch->set_metadata(0, i);
		patch->add_button(0, get_icon("Remove", "EditorIcons"), 0);
		patch->add_button(0, get_icon("folder", "FileDialog"), 1);
	}

	TreeItem *patch_add = patches->create_item(patch_root);
	patch_add->set_metadata(0, patchlist.size());
	if (patchlist.size() == 0)
		patch_add->set_text(0, TTR("Add initial export..."));
	else
		patch_add->set_text(0, TTR("Add previous patches..."));

	patch_add->add_button(0, get_icon("folder", "FileDialog"), 1);

	_fill_resource_tree();

	bool needs_templates;
	String error;
	if (!current->get_platform()->can_export(current, error, needs_templates)) {

		if (error != String()) {

			Vector<String> items = error.split("\n", false);
			error = "";
			for (int i = 0; i < items.size(); i++) {
				if (i > 0)
					error += "\n";
				error += " - " + items[i];
			}

			export_error->set_text(error);
			export_error->show();
		} else {
			export_error->hide();
		}
		if (needs_templates)
			export_templates_error->show();
		else
			export_templates_error->hide();

		export_button->set_disabled(true);
		get_ok()->set_disabled(true);

	} else {
		export_error->hide();
		export_templates_error->hide();
		export_button->set_disabled(false);
		get_ok()->set_disabled(false);
	}

	custom_features->set_text(current->get_custom_features());
	_update_feature_list();
	_update_export_all();
	minimum_size_changed();

	int script_export_mode = current->get_script_export_mode();
	script_mode->select(script_export_mode);

	String key = current->get_script_encryption_key();
	if (!updating_script_key) {
		script_key->set_text(key);
	}
	if (script_export_mode == EditorExportPreset::MODE_SCRIPT_ENCRYPTED) {
		script_key->set_editable(true);

		bool key_valid = _validate_script_encryption_key(key);
		if (key_valid) {
			script_key_error->hide();
		} else {
			script_key_error->show();
		}
	} else {
		script_key->set_editable(false);
		script_key_error->hide();
	}

	updating = false;
}

void ProjectExportDialog::_update_feature_list() {

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	Set<String> fset;
	List<String> features;

	current->get_platform()->get_platform_features(&features);
	current->get_platform()->get_preset_features(current, &features);

	String custom = current->get_custom_features();
	Vector<String> custom_list = custom.split(",");
	for (int i = 0; i < custom_list.size(); i++) {
		String f = custom_list[i].strip_edges();
		if (f != String()) {
			features.push_back(f);
		}
	}

	for (List<String>::Element *E = features.front(); E; E = E->next()) {
		fset.insert(E->get());
	}

	custom_feature_display->clear();
	for (Set<String>::Element *E = fset.front(); E; E = E->next()) {
		String f = E->get();
		if (E->next()) {
			f += ", ";
		}
		custom_feature_display->add_text(f);
	}
}

void ProjectExportDialog::_custom_features_changed(const String &p_text) {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	current->set_custom_features(p_text);
	_update_feature_list();
}

void ProjectExportDialog::_tab_changed(int) {
	_update_feature_list();
}

void ProjectExportDialog::_patch_button_pressed(Object *p_item, int p_column, int p_id) {

	TreeItem *ti = (TreeItem *)p_item;

	patch_index = ti->get_metadata(0);

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	if (p_id == 0) {
		Vector<String> patches = current->get_patches();
		ERR_FAIL_INDEX(patch_index, patches.size());
		patch_erase->set_text(vformat(TTR("Delete patch '%s' from list?"), patches[patch_index].get_file()));
		patch_erase->popup_centered_minsize();
	} else {
		patch_dialog->popup_centered_ratio();
	}
}

void ProjectExportDialog::_patch_edited() {

	TreeItem *item = patches->get_edited();
	if (!item)
		return;
	int index = item->get_metadata(0);

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	Vector<String> patches = current->get_patches();

	ERR_FAIL_INDEX(index, patches.size());

	String patch = patches[index].replace("*", "");

	if (item->is_checked(0)) {
		patch += "*";
	}

	current->set_patch(index, patch);
}

void ProjectExportDialog::_patch_selected(const String &p_path) {

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	Vector<String> patches = current->get_patches();

	if (patch_index >= patches.size()) {

		current->add_patch(ProjectSettings::get_singleton()->get_resource_path().path_to(p_path) + "*");
	} else {
		String enabled = patches[patch_index].ends_with("*") ? String("*") : String();
		current->set_patch(patch_index, ProjectSettings::get_singleton()->get_resource_path().path_to(p_path) + enabled);
	}

	_update_current_preset();
}

void ProjectExportDialog::_patch_deleted() {

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	Vector<String> patches = current->get_patches();
	if (patch_index < patches.size()) {

		current->remove_patch(patch_index);
		_update_current_preset();
	}
}

void ProjectExportDialog::_update_parameters(const String &p_edited_property) {

	_update_current_preset();
}

void ProjectExportDialog::_runnable_pressed() {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	if (runnable->is_pressed()) {

		for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
			Ref<EditorExportPreset> p = EditorExport::get_singleton()->get_export_preset(i);
			if (p->get_platform() == current->get_platform()) {
				p->set_runnable(current == p);
			}
		}
	} else {

		current->set_runnable(false);
	}

	_update_presets();
}

void ProjectExportDialog::_name_changed(const String &p_string) {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	current->set_name(p_string);
	_update_presets();
}

void ProjectExportDialog::set_export_path(const String &p_value) {
	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	current->set_export_path(p_value);
}

String ProjectExportDialog::get_export_path() {
	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND_V(current.is_null(), String(""));

	return current->get_export_path();
}

Ref<EditorExportPreset> ProjectExportDialog::get_current_preset() const {

	return EditorExport::get_singleton()->get_export_preset(presets->get_current());
}

void ProjectExportDialog::_export_path_changed(const StringName &p_property, const Variant &p_value, const String &p_field, bool p_changing) {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	current->set_export_path(p_value);
	_update_presets();
}

void ProjectExportDialog::_script_export_mode_changed(int p_mode) {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	current->set_script_export_mode(p_mode);

	_update_current_preset();
}

void ProjectExportDialog::_script_encryption_key_changed(const String &p_key) {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());

	current->set_script_encryption_key(p_key);

	updating_script_key = true;
	_update_current_preset();
	updating_script_key = false;
}

bool ProjectExportDialog::_validate_script_encryption_key(const String &p_key) {

	bool is_valid = false;

	if (!p_key.empty() && p_key.is_valid_hex_number(false) && p_key.length() == 64) {
		is_valid = true;
	}
	return is_valid;
}

void ProjectExportDialog::_duplicate_preset() {

	Ref<EditorExportPreset> current = get_current_preset();
	if (current.is_null())
		return;

	Ref<EditorExportPreset> preset = current->get_platform()->create_preset();
	ERR_FAIL_COND(!preset.is_valid());

	String name = current->get_name() + " (copy)";
	bool make_runnable = true;
	while (true) {

		bool valid = true;

		for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
			Ref<EditorExportPreset> p = EditorExport::get_singleton()->get_export_preset(i);
			if (p->get_platform() == preset->get_platform() && p->is_runnable()) {
				make_runnable = false;
			}
			if (p->get_name() == name) {
				valid = false;
				break;
			}
		}

		if (valid)
			break;

		name += " (copy)";
	}

	preset->set_name(name);
	if (make_runnable)
		preset->set_runnable(make_runnable);
	preset->set_export_filter(current->get_export_filter());
	preset->set_include_filter(current->get_include_filter());
	preset->set_exclude_filter(current->get_exclude_filter());
	Vector<String> list = current->get_patches();
	for (int i = 0; i < list.size(); i++) {
		preset->add_patch(list[i]);
	}
	preset->set_custom_features(current->get_custom_features());

	for (const List<PropertyInfo>::Element *E = current->get_properties().front(); E; E = E->next()) {
		preset->set(E->get().name, current->get(E->get().name));
	}

	EditorExport::get_singleton()->add_export_preset(preset);
	_update_presets();
	_edit_preset(EditorExport::get_singleton()->get_export_preset_count() - 1);
}

void ProjectExportDialog::_delete_preset() {

	Ref<EditorExportPreset> current = get_current_preset();
	if (current.is_null())
		return;

	delete_confirm->set_text(vformat(TTR("Delete preset '%s'?"), current->get_name()));
	delete_confirm->popup_centered_minsize();
}

void ProjectExportDialog::_delete_preset_confirm() {

	int idx = presets->get_current();
	_edit_preset(-1);
	export_button->set_disabled(true);
	get_ok()->set_disabled(true);
	EditorExport::get_singleton()->remove_export_preset(idx);
	_update_presets();
}

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

	if (p_from == presets) {
		int pos = presets->get_item_at_position(p_point, true);

		if (pos >= 0) {
			Dictionary d;
			d["type"] = "export_preset";
			d["preset"] = pos;

			HBoxContainer *drag = memnew(HBoxContainer);
			TextureRect *tr = memnew(TextureRect);
			tr->set_texture(presets->get_item_icon(pos));
			drag->add_child(tr);
			Label *label = memnew(Label);
			label->set_text(presets->get_item_text(pos));
			drag->add_child(label);

			set_drag_preview(drag);

			return d;
		}
	} else if (p_from == patches) {

		TreeItem *item = patches->get_item_at_position(p_point);

		if (item && item->get_cell_mode(0) == TreeItem::CELL_MODE_CHECK) {

			int metadata = item->get_metadata(0);
			Dictionary d;
			d["type"] = "export_patch";
			d["patch"] = metadata;

			Label *label = memnew(Label);
			label->set_text(item->get_text(0));
			set_drag_preview(label);

			return d;
		}
	}

	return Variant();
}

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

	if (p_from == presets) {
		Dictionary d = p_data;
		if (!d.has("type") || String(d["type"]) != "export_preset")
			return false;

		if (presets->get_item_at_position(p_point, true) < 0 && !presets->is_pos_at_end_of_items(p_point))
			return false;
	} else if (p_from == patches) {

		Dictionary d = p_data;
		if (!d.has("type") || String(d["type"]) != "export_patch")
			return false;

		patches->set_drop_mode_flags(Tree::DROP_MODE_ON_ITEM);

		TreeItem *item = patches->get_item_at_position(p_point);

		if (!item) {

			return false;
		}
	}

	return true;
}

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

	if (p_from == presets) {
		Dictionary d = p_data;
		int from_pos = d["preset"];

		int to_pos = -1;

		if (presets->get_item_at_position(p_point, true) >= 0) {
			to_pos = presets->get_item_at_position(p_point, true);
		}

		if (to_pos == -1 && !presets->is_pos_at_end_of_items(p_point))
			return;

		if (to_pos == from_pos)
			return;
		else if (to_pos > from_pos) {
			to_pos--;
		}

		Ref<EditorExportPreset> preset = EditorExport::get_singleton()->get_export_preset(from_pos);
		EditorExport::get_singleton()->remove_export_preset(from_pos);
		EditorExport::get_singleton()->add_export_preset(preset, to_pos);

		_update_presets();
		if (to_pos >= 0)
			_edit_preset(to_pos);
		else
			_edit_preset(presets->get_item_count() - 1);
	} else if (p_from == patches) {

		Dictionary d = p_data;
		if (!d.has("type") || String(d["type"]) != "export_patch")
			return;

		int from_pos = d["patch"];

		TreeItem *item = patches->get_item_at_position(p_point);
		if (!item)
			return;

		int to_pos = item->get_cell_mode(0) == TreeItem::CELL_MODE_CHECK ? int(item->get_metadata(0)) : -1;

		if (to_pos == from_pos)
			return;
		else if (to_pos > from_pos) {
			to_pos--;
		}

		Ref<EditorExportPreset> preset = get_current_preset();
		String patch = preset->get_patch(from_pos);
		preset->remove_patch(from_pos);
		preset->add_patch(patch, to_pos);

		_update_current_preset();
	}
}

void ProjectExportDialog::_export_type_changed(int p_which) {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	if (current.is_null())
		return;

	current->set_export_filter(EditorExportPreset::ExportFilter(p_which));
	updating = true;
	_fill_resource_tree();
	updating = false;
}

void ProjectExportDialog::_filter_changed(const String &p_filter) {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	if (current.is_null())
		return;

	current->set_include_filter(include_filters->get_text());
	current->set_exclude_filter(exclude_filters->get_text());
}

void ProjectExportDialog::_fill_resource_tree() {

	include_files->clear();
	include_label->hide();
	include_margin->hide();

	Ref<EditorExportPreset> current = get_current_preset();
	if (current.is_null())
		return;

	EditorExportPreset::ExportFilter f = current->get_export_filter();

	if (f == EditorExportPreset::EXPORT_ALL_RESOURCES) {
		return;
	}

	include_label->show();
	include_margin->show();

	TreeItem *root = include_files->create_item();

	_fill_tree(EditorFileSystem::get_singleton()->get_filesystem(), root, current, f == EditorExportPreset::EXPORT_SELECTED_SCENES);
}

bool ProjectExportDialog::_fill_tree(EditorFileSystemDirectory *p_dir, TreeItem *p_item, Ref<EditorExportPreset> &current, bool p_only_scenes) {

	p_item->set_icon(0, get_icon("folder", "FileDialog"));
	p_item->set_text(0, p_dir->get_name() + "/");

	bool used = false;
	for (int i = 0; i < p_dir->get_subdir_count(); i++) {

		TreeItem *subdir = include_files->create_item(p_item);
		if (_fill_tree(p_dir->get_subdir(i), subdir, current, p_only_scenes)) {
			used = true;
		} else {
			memdelete(subdir);
		}
	}

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

		String type = p_dir->get_file_type(i);
		if (p_only_scenes && type != "PackedScene")
			continue;

		TreeItem *file = include_files->create_item(p_item);
		file->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
		file->set_text(0, p_dir->get_file(i));

		String path = p_dir->get_file_path(i);

		file->set_icon(0, EditorNode::get_singleton()->get_class_icon(type));
		file->set_editable(0, true);
		file->set_checked(0, current->has_export_file(path));
		file->set_metadata(0, path);

		used = true;
	}

	return used;
}

void ProjectExportDialog::_tree_changed() {

	if (updating)
		return;

	Ref<EditorExportPreset> current = get_current_preset();
	if (current.is_null())
		return;

	TreeItem *item = include_files->get_edited();
	if (!item)
		return;

	String path = item->get_metadata(0);
	bool added = item->is_checked(0);

	if (added) {
		current->add_export_file(path);
	} else {
		current->remove_export_file(path);
	}
}

void ProjectExportDialog::_export_pck_zip() {

	export_pck_zip->popup_centered_ratio();
}

void ProjectExportDialog::_export_pck_zip_selected(const String &p_path) {

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());
	Ref<EditorExportPlatform> platform = current->get_platform();
	ERR_FAIL_COND(platform.is_null());

	if (p_path.ends_with(".zip")) {
		platform->export_zip(current, export_pck_zip_debug->is_pressed(), p_path);
	} else if (p_path.ends_with(".pck")) {
		platform->export_pack(current, export_pck_zip_debug->is_pressed(), p_path);
	}
}

void ProjectExportDialog::_open_export_template_manager() {

	EditorNode::get_singleton()->open_export_template_manager();
	hide();
}

void ProjectExportDialog::_validate_export_path(const String &p_path) {
	// Disable export via OK button or Enter key if LineEdit has an empty filename
	bool invalid_path = (p_path.get_file().get_basename() == "");

	// Check if state change before needlessly messing with signals
	if (invalid_path && export_project->get_ok()->is_disabled())
		return;
	if (!invalid_path && !export_project->get_ok()->is_disabled())
		return;

	if (invalid_path) {
		export_project->get_ok()->set_disabled(true);
		export_project->get_line_edit()->disconnect("text_entered", export_project, "_file_entered");
	} else {
		export_project->get_ok()->set_disabled(false);
		export_project->get_line_edit()->connect("text_entered", export_project, "_file_entered");
	}
}

void ProjectExportDialog::_export_project() {

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());
	Ref<EditorExportPlatform> platform = current->get_platform();
	ERR_FAIL_COND(platform.is_null());

	export_project->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
	export_project->clear_filters();

	List<String> extension_list = platform->get_binary_extensions(current);
	for (int i = 0; i < extension_list.size(); i++) {
		export_project->add_filter("*." + extension_list[i] + " ; " + platform->get_name() + " Export");
	}

	if (current->get_export_path() != "") {
		export_project->set_current_path(current->get_export_path());
	} else {
		if (extension_list.size() >= 1) {
			export_project->set_current_file(default_filename + "." + extension_list[0]);
		} else {
			export_project->set_current_file(default_filename);
		}
	}

	// Ensure that signal is connected if previous attempt left it disconnected with _validate_export_path
	if (!export_project->get_line_edit()->is_connected("text_entered", export_project, "_file_entered")) {
		export_project->get_ok()->set_disabled(false);
		export_project->get_line_edit()->connect("text_entered", export_project, "_file_entered");
	}

	export_project->set_mode(EditorFileDialog::MODE_SAVE_FILE);
	export_project->popup_centered_ratio();
}

void ProjectExportDialog::_export_project_to_path(const String &p_path) {
	// Save this name for use in future exports (but drop the file extension)
	default_filename = p_path.get_file().get_basename();
	EditorSettings::get_singleton()->set_project_metadata("export_options", "default_filename", default_filename);

	Ref<EditorExportPreset> current = get_current_preset();
	ERR_FAIL_COND(current.is_null());
	Ref<EditorExportPlatform> platform = current->get_platform();
	ERR_FAIL_COND(platform.is_null());
	current->set_export_path(p_path);

	Error err = platform->export_project(current, export_debug->is_pressed(), p_path, 0);
	if (err != OK && err != ERR_SKIP) {
		if (err == ERR_FILE_NOT_FOUND) {
			error_dialog->set_text(vformat(TTR("Failed to export the project for platform '%s'.\nExport templates seem to be missing or invalid."), platform->get_name()));
		} else { // Assume misconfiguration. FIXME: Improve error handling and preset config validation.
			error_dialog->set_text(vformat(TTR("Failed to export the project for platform '%s'.\nThis might be due to a configuration issue in the export preset or your export settings."), platform->get_name()));
		}

		ERR_PRINTS(vformat("Failed to export the project for platform '%s'.", platform->get_name()));
		error_dialog->show();
		error_dialog->popup_centered_minsize(Size2(300, 80));
	}
}

void ProjectExportDialog::_export_all_dialog() {

	export_all_dialog->show();
	export_all_dialog->popup_centered_minsize(Size2(300, 80));
}

void ProjectExportDialog::_export_all_dialog_action(const String &p_str) {

	export_all_dialog->hide();

	_export_all(p_str != "release");
}

void ProjectExportDialog::_export_all(bool p_debug) {

	String mode = p_debug ? TTR("Debug") : TTR("Release");
	EditorProgress ep("exportall", TTR("Exporting All") + " " + mode, EditorExport::get_singleton()->get_export_preset_count(), true);

	for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
		Ref<EditorExportPreset> preset = EditorExport::get_singleton()->get_export_preset(i);
		ERR_FAIL_COND(preset.is_null());
		Ref<EditorExportPlatform> platform = preset->get_platform();
		ERR_FAIL_COND(platform.is_null());

		ep.step(preset->get_name(), i);

		Error err = platform->export_project(preset, p_debug, preset->get_export_path(), 0);
		if (err != OK && err != ERR_SKIP) {
			if (err == ERR_FILE_BAD_PATH) {
				error_dialog->set_text(TTR("The given export path doesn't exist:") + "\n" + preset->get_export_path().get_base_dir());
			} else {
				error_dialog->set_text(TTR("Export templates for this platform are missing/corrupted:") + " " + platform->get_name());
			}
			error_dialog->show();
			error_dialog->popup_centered_minsize(Size2(300, 80));
			ERR_PRINT("Failed to export project");
		}
	}
}

void ProjectExportDialog::_bind_methods() {

	ClassDB::bind_method("_add_preset", &ProjectExportDialog::_add_preset);
	ClassDB::bind_method("_edit_preset", &ProjectExportDialog::_edit_preset);
	ClassDB::bind_method("_update_parameters", &ProjectExportDialog::_update_parameters);
	ClassDB::bind_method("_runnable_pressed", &ProjectExportDialog::_runnable_pressed);
	ClassDB::bind_method("_name_changed", &ProjectExportDialog::_name_changed);
	ClassDB::bind_method("_duplicate_preset", &ProjectExportDialog::_duplicate_preset);
	ClassDB::bind_method("_delete_preset", &ProjectExportDialog::_delete_preset);
	ClassDB::bind_method("_delete_preset_confirm", &ProjectExportDialog::_delete_preset_confirm);
	ClassDB::bind_method("get_drag_data_fw", &ProjectExportDialog::get_drag_data_fw);
	ClassDB::bind_method("can_drop_data_fw", &ProjectExportDialog::can_drop_data_fw);
	ClassDB::bind_method("drop_data_fw", &ProjectExportDialog::drop_data_fw);
	ClassDB::bind_method("_export_type_changed", &ProjectExportDialog::_export_type_changed);
	ClassDB::bind_method("_filter_changed", &ProjectExportDialog::_filter_changed);
	ClassDB::bind_method("_tree_changed", &ProjectExportDialog::_tree_changed);
	ClassDB::bind_method("_patch_button_pressed", &ProjectExportDialog::_patch_button_pressed);
	ClassDB::bind_method("_patch_selected", &ProjectExportDialog::_patch_selected);
	ClassDB::bind_method("_patch_deleted", &ProjectExportDialog::_patch_deleted);
	ClassDB::bind_method("_patch_edited", &ProjectExportDialog::_patch_edited);
	ClassDB::bind_method("_export_pck_zip", &ProjectExportDialog::_export_pck_zip);
	ClassDB::bind_method("_export_pck_zip_selected", &ProjectExportDialog::_export_pck_zip_selected);
	ClassDB::bind_method("_open_export_template_manager", &ProjectExportDialog::_open_export_template_manager);
	ClassDB::bind_method("_validate_export_path", &ProjectExportDialog::_validate_export_path);
	ClassDB::bind_method("_export_path_changed", &ProjectExportDialog::_export_path_changed);
	ClassDB::bind_method("_script_export_mode_changed", &ProjectExportDialog::_script_export_mode_changed);
	ClassDB::bind_method("_script_encryption_key_changed", &ProjectExportDialog::_script_encryption_key_changed);
	ClassDB::bind_method("_export_project", &ProjectExportDialog::_export_project);
	ClassDB::bind_method("_export_project_to_path", &ProjectExportDialog::_export_project_to_path);
	ClassDB::bind_method("_export_all", &ProjectExportDialog::_export_all);
	ClassDB::bind_method("_export_all_dialog", &ProjectExportDialog::_export_all_dialog);
	ClassDB::bind_method("_export_all_dialog_action", &ProjectExportDialog::_export_all_dialog_action);
	ClassDB::bind_method("_custom_features_changed", &ProjectExportDialog::_custom_features_changed);
	ClassDB::bind_method("_tab_changed", &ProjectExportDialog::_tab_changed);
	ClassDB::bind_method("set_export_path", &ProjectExportDialog::set_export_path);
	ClassDB::bind_method("get_export_path", &ProjectExportDialog::get_export_path);
	ClassDB::bind_method("get_current_preset", &ProjectExportDialog::get_current_preset);

	ADD_PROPERTY(PropertyInfo(Variant::STRING, "export_path"), "set_export_path", "get_export_path");
}

ProjectExportDialog::ProjectExportDialog() {

	set_title(TTR("Export"));
	set_resizable(true);

	VBoxContainer *main_vb = memnew(VBoxContainer);
	add_child(main_vb);
	HSplitContainer *hbox = memnew(HSplitContainer);
	main_vb->add_child(hbox);
	hbox->set_v_size_flags(SIZE_EXPAND_FILL);

	// Presets list.

	VBoxContainer *preset_vb = memnew(VBoxContainer);
	preset_vb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	hbox->add_child(preset_vb);

	HBoxContainer *preset_hb = memnew(HBoxContainer);
	preset_hb->add_child(memnew(Label(TTR("Presets"))));
	preset_hb->add_spacer();
	preset_vb->add_child(preset_hb);

	add_preset = memnew(MenuButton);
	add_preset->set_text(TTR("Add..."));
	add_preset->get_popup()->connect("index_pressed", this, "_add_preset");
	preset_hb->add_child(add_preset);
	MarginContainer *mc = memnew(MarginContainer);
	preset_vb->add_child(mc);
	mc->set_v_size_flags(SIZE_EXPAND_FILL);
	presets = memnew(ItemList);
	presets->set_drag_forwarding(this);
	mc->add_child(presets);
	presets->connect("item_selected", this, "_edit_preset");
	duplicate_preset = memnew(ToolButton);
	preset_hb->add_child(duplicate_preset);
	duplicate_preset->connect("pressed", this, "_duplicate_preset");
	delete_preset = memnew(ToolButton);
	preset_hb->add_child(delete_preset);
	delete_preset->connect("pressed", this, "_delete_preset");

	// Preset settings.

	VBoxContainer *settings_vb = memnew(VBoxContainer);
	settings_vb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	hbox->add_child(settings_vb);

	name = memnew(LineEdit);
	settings_vb->add_margin_child(TTR("Name:"), name);
	name->connect("text_changed", this, "_name_changed");
	runnable = memnew(CheckButton);
	runnable->set_text(TTR("Runnable"));
	runnable->set_tooltip(TTR("If checked, the preset will be available for use in one-click deploy.\nOnly one preset per platform may be marked as runnable."));
	runnable->connect("pressed", this, "_runnable_pressed");
	settings_vb->add_child(runnable);

	export_path = memnew(EditorPropertyPath);
	settings_vb->add_child(export_path);
	export_path->set_label(TTR("Export Path"));
	export_path->set_object_and_property(this, "export_path");
	export_path->set_save_mode();
	export_path->connect("property_changed", this, "_export_path_changed");

	// Subsections.

	sections = memnew(TabContainer);
	sections->set_tab_align(TabContainer::ALIGN_LEFT);
	sections->set_use_hidden_tabs_for_min_size(true);
	settings_vb->add_child(sections);
	sections->set_v_size_flags(SIZE_EXPAND_FILL);

	// Main preset parameters.

	parameters = memnew(EditorInspector);
	sections->add_child(parameters);
	parameters->set_name(TTR("Options"));
	parameters->set_v_size_flags(SIZE_EXPAND_FILL);
	parameters->connect("property_edited", this, "_update_parameters");

	// Resources export parameters.

	VBoxContainer *resources_vb = memnew(VBoxContainer);
	sections->add_child(resources_vb);
	resources_vb->set_name(TTR("Resources"));

	export_filter = memnew(OptionButton);
	export_filter->add_item(TTR("Export all resources in the project"));
	export_filter->add_item(TTR("Export selected scenes (and dependencies)"));
	export_filter->add_item(TTR("Export selected resources (and dependencies)"));
	resources_vb->add_margin_child(TTR("Export Mode:"), export_filter);
	export_filter->connect("item_selected", this, "_export_type_changed");

	include_label = memnew(Label);
	include_label->set_text(TTR("Resources to export:"));
	resources_vb->add_child(include_label);
	include_margin = memnew(MarginContainer);
	include_margin->set_v_size_flags(SIZE_EXPAND_FILL);
	resources_vb->add_child(include_margin);

	include_files = memnew(Tree);
	include_margin->add_child(include_files);
	include_files->connect("item_edited", this, "_tree_changed");

	include_filters = memnew(LineEdit);
	resources_vb->add_margin_child(
			TTR("Filters to export non-resource files/folders\n(comma-separated, e.g: *.json, *.txt, docs/*)"),
			include_filters);
	include_filters->connect("text_changed", this, "_filter_changed");

	exclude_filters = memnew(LineEdit);
	resources_vb->add_margin_child(
			TTR("Filters to exclude files/folders from project\n(comma-separated, e.g: *.json, *.txt, docs/*)"),
			exclude_filters);
	exclude_filters->connect("text_changed", this, "_filter_changed");

	// Patch packages.

	VBoxContainer *patch_vb = memnew(VBoxContainer);
	// FIXME: Patching support doesn't seem properly implemented yet, so we hide it.
	// The rest of the code is still kept for now, in the hope that it will be made
	// functional and reactivated.
	//sections->add_child(patch_vb);
	patch_vb->set_name(TTR("Patches"));

	patches = memnew(Tree);
	patch_vb->add_child(patches);
	patches->set_v_size_flags(SIZE_EXPAND_FILL);
	patches->set_hide_root(true);
	patches->connect("button_pressed", this, "_patch_button_pressed");
	patches->connect("item_edited", this, "_patch_edited");
	patches->set_drag_forwarding(this);
	patches->set_edit_checkbox_cell_only_when_checkbox_is_pressed(true);

	HBoxContainer *patches_hb = memnew(HBoxContainer);
	patch_vb->add_child(patches_hb);
	patches_hb->add_spacer();
	patch_export = memnew(Button);
	patch_export->set_text(TTR("Make Patch"));
	patches_hb->add_child(patch_export);
	patches_hb->add_spacer();

	patch_dialog = memnew(EditorFileDialog);
	patch_dialog->add_filter("*.pck ; " + TTR("Pack File"));
	patch_dialog->set_mode(EditorFileDialog::MODE_OPEN_FILE);
	patch_dialog->connect("file_selected", this, "_patch_selected");
	add_child(patch_dialog);

	patch_erase = memnew(ConfirmationDialog);
	patch_erase->get_ok()->set_text(TTR("Delete"));
	patch_erase->connect("confirmed", this, "_patch_deleted");
	add_child(patch_erase);

	// Feature tags.

	VBoxContainer *feature_vb = memnew(VBoxContainer);
	feature_vb->set_name(TTR("Features"));
	custom_features = memnew(LineEdit);
	custom_features->connect("text_changed", this, "_custom_features_changed");
	feature_vb->add_margin_child(TTR("Custom (comma-separated):"), custom_features);
	Panel *features_panel = memnew(Panel);
	custom_feature_display = memnew(RichTextLabel);
	features_panel->add_child(custom_feature_display);
	custom_feature_display->set_anchors_and_margins_preset(Control::PRESET_WIDE, Control::PRESET_MODE_MINSIZE, 10 * EDSCALE);
	custom_feature_display->set_v_size_flags(SIZE_EXPAND_FILL);
	feature_vb->add_margin_child(TTR("Feature List:"), features_panel, true);
	sections->add_child(feature_vb);

	// Script export parameters.

	updating_script_key = false;

	VBoxContainer *script_vb = memnew(VBoxContainer);
	script_vb->set_name(TTR("Script"));
	script_mode = memnew(OptionButton);
	script_vb->add_margin_child(TTR("Script Export Mode:"), script_mode);
	script_mode->add_item(TTR("Text"), (int)EditorExportPreset::MODE_SCRIPT_TEXT);
	script_mode->add_item(TTR("Compiled"), (int)EditorExportPreset::MODE_SCRIPT_COMPILED);
	script_mode->add_item(TTR("Encrypted (Provide Key Below)"), (int)EditorExportPreset::MODE_SCRIPT_ENCRYPTED);
	script_mode->connect("item_selected", this, "_script_export_mode_changed");
	script_key = memnew(LineEdit);
	script_key->connect("text_changed", this, "_script_encryption_key_changed");
	script_key_error = memnew(Label);
	script_key_error->set_text("- " + TTR("Invalid Encryption Key (must be 64 characters long)"));
	script_key_error->add_color_override("font_color", EditorNode::get_singleton()->get_gui_base()->get_color("error_color", "Editor"));
	script_vb->add_margin_child(TTR("Script Encryption Key (256-bits as hex):"), script_key);
	script_vb->add_child(script_key_error);
	sections->add_child(script_vb);

	sections->connect("tab_changed", this, "_tab_changed");

	// Disable by default.
	name->set_editable(false);
	export_path->hide();
	runnable->set_disabled(true);
	duplicate_preset->set_disabled(true);
	delete_preset->set_disabled(true);
	script_key_error->hide();
	sections->hide();
	parameters->edit(NULL);

	// Deletion dialog.

	delete_confirm = memnew(ConfirmationDialog);
	add_child(delete_confirm);
	delete_confirm->get_ok()->set_text(TTR("Delete"));
	delete_confirm->connect("confirmed", this, "_delete_preset_confirm");

	// Export buttons, dialogs and errors.

	updating = false;

	get_cancel()->set_text(TTR("Close"));
	get_ok()->set_text(TTR("Export PCK/Zip"));
	export_button = add_button(TTR("Export Project"), !OS::get_singleton()->get_swap_ok_cancel(), "export");
	export_button->connect("pressed", this, "_export_project");
	// Disable initially before we select a valid preset
	export_button->set_disabled(true);
	get_ok()->set_disabled(true);

	export_all_dialog = memnew(ConfirmationDialog);
	add_child(export_all_dialog);
	export_all_dialog->set_title("Export All");
	export_all_dialog->set_text(TTR("Export mode?"));
	export_all_dialog->get_ok()->hide();
	export_all_dialog->add_button(TTR("Debug"), true, "debug");
	export_all_dialog->add_button(TTR("Release"), true, "release");
	export_all_dialog->connect("custom_action", this, "_export_all_dialog_action");

	export_all_button = add_button(TTR("Export All"), !OS::get_singleton()->get_swap_ok_cancel(), "export");
	export_all_button->connect("pressed", this, "_export_all_dialog");
	export_all_button->set_disabled(true);

	export_pck_zip = memnew(EditorFileDialog);
	export_pck_zip->add_filter("*.zip ; " + TTR("ZIP File"));
	export_pck_zip->add_filter("*.pck ; " + TTR("Godot Game Pack"));
	export_pck_zip->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
	export_pck_zip->set_mode(EditorFileDialog::MODE_SAVE_FILE);
	add_child(export_pck_zip);
	export_pck_zip->connect("file_selected", this, "_export_pck_zip_selected");

	export_error = memnew(Label);
	main_vb->add_child(export_error);
	export_error->hide();
	export_error->add_color_override("font_color", EditorNode::get_singleton()->get_gui_base()->get_color("error_color", "Editor"));

	export_templates_error = memnew(HBoxContainer);
	main_vb->add_child(export_templates_error);
	export_templates_error->hide();

	Label *export_error2 = memnew(Label);
	export_templates_error->add_child(export_error2);
	export_error2->add_color_override("font_color", EditorNode::get_singleton()->get_gui_base()->get_color("error_color", "Editor"));
	export_error2->set_text(" - " + TTR("Export templates for this platform are missing:") + " ");

	error_dialog = memnew(AcceptDialog);
	error_dialog->set_title("Error");
	error_dialog->set_text(TTR("Export templates for this platform are missing/corrupted:") + " ");
	main_vb->add_child(error_dialog);
	error_dialog->hide();

	LinkButton *download_templates = memnew(LinkButton);
	download_templates->set_text(TTR("Manage Export Templates"));
	download_templates->set_v_size_flags(SIZE_SHRINK_CENTER);
	export_templates_error->add_child(download_templates);
	download_templates->connect("pressed", this, "_open_export_template_manager");

	export_project = memnew(EditorFileDialog);
	export_project->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
	add_child(export_project);
	export_project->connect("file_selected", this, "_export_project_to_path");
	export_project->get_line_edit()->connect("text_changed", this, "_validate_export_path");

	export_debug = memnew(CheckBox);
	export_debug->set_text(TTR("Export With Debug"));
	export_debug->set_pressed(true);
	export_project->get_vbox()->add_child(export_debug);

	export_pck_zip_debug = memnew(CheckBox);
	export_pck_zip_debug->set_text(TTR("Export With Debug"));
	export_pck_zip_debug->set_pressed(true);
	export_pck_zip->get_vbox()->add_child(export_pck_zip_debug);

	set_hide_on_ok(false);

	editor_icons = "EditorIcons";

	default_filename = EditorSettings::get_singleton()->get_project_metadata("export_options", "default_filename", "");
	// If no default set, use project name
	if (default_filename == "") {
		// If no project name defined, use a sane default
		default_filename = ProjectSettings::get_singleton()->get("application/config/name");
		if (default_filename == "") {
			default_filename = "UnnamedProject";
		}
	}

	_update_export_all();
}

ProjectExportDialog::~ProjectExportDialog() {
}