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//! Dialog helper functions for file operations and error display.
use std::path::PathBuf;
use gtk::prelude::*;
use relm4::{ComponentSender, gtk};
use crate::AppModel;
use crate::actions::Action;
use crate::constants;
use crate::file_registry;
/// Creates a file filter for .wmap files in file pickers.
pub fn create_file_filter() -> gtk::FileFilter {
let filter = gtk::FileFilter::new();
filter.add_pattern(&format!("*.{}", constants::FILE_EXTENSION));
filter.add_mime_type(constants::MIME_TYPE);
filter.set_name(Some("Wardley Map Files"));
filter
}
/// Shows an error dialog with the given title and message.
pub fn show_error(window: >k::Window, title: &str, message: &str) {
let dialog = gtk::MessageDialog::new(
Some(window),
gtk::DialogFlags::MODAL | gtk::DialogFlags::DESTROY_WITH_PARENT,
gtk::MessageType::Error,
gtk::ButtonsType::Ok,
message,
);
dialog.set_title(Some(title));
dialog.connect_response(|dialog, _| {
dialog.close();
});
dialog.show();
}
/// Shows a file open dialog and handles the response.
pub fn show_open_dialog(
window: >k::Window,
is_empty_document: bool,
sender: ComponentSender<AppModel>,
) {
let dialog = gtk::FileChooserDialog::new(
Some("Open Map"),
Some(window),
gtk::FileChooserAction::Open,
&[
("Cancel", gtk::ResponseType::Cancel),
("Open", gtk::ResponseType::Accept),
],
);
dialog.add_filter(&create_file_filter());
dialog.connect_response(move |dialog, response| {
dialog.close();
if response == gtk::ResponseType::Accept
&& let Some(file) = dialog.file()
&& let Some(path) = file.path()
{
// Check if file is already open - if so, focus that window
if let Some(existing_window) = file_registry::find_window_for_file(&path) {
existing_window.present();
return;
}
if is_empty_document {
sender.input(Action::LoadFile(path));
} else {
AppModel::open_new_window(Some(path));
}
}
});
dialog.present();
}
/// Shows a file save dialog and handles the response.
pub fn show_save_dialog(
window: >k::Window,
current_file: Option<PathBuf>,
close_after: bool,
sender: ComponentSender<AppModel>,
) {
let dialog = gtk::FileChooserDialog::new(
Some("Save Map As"),
Some(window),
gtk::FileChooserAction::Save,
&[
("Cancel", gtk::ResponseType::Cancel),
("Save", gtk::ResponseType::Accept),
],
);
dialog.add_filter(&create_file_filter());
if let Some(ref current_path) = current_file {
if let Some(parent) = current_path.parent() {
let folder = gtk::gio::File::for_path(parent);
dialog.set_current_folder(Some(&folder)).ok();
}
if let Some(filename) = current_path.file_name() {
dialog.set_current_name(filename.to_str().unwrap_or("map.wmap"));
}
} else {
dialog.set_current_name("map.wmap");
}
dialog.connect_response(move |dialog, response| {
dialog.close();
if response == gtk::ResponseType::Accept
&& let Some(file) = dialog.file()
&& let Some(path) = file.path()
{
sender.input(Action::SaveToFile { path, close_after });
}
});
dialog.present();
}
/// Shows a dialog asking whether to save unsaved changes before closing.
pub fn show_unsaved_changes_dialog(
window: >k::Window,
current_file: Option<PathBuf>,
sender: ComponentSender<AppModel>,
) {
let dialog = gtk::MessageDialog::new(
Some(window),
gtk::DialogFlags::MODAL | gtk::DialogFlags::DESTROY_WITH_PARENT,
gtk::MessageType::Warning,
gtk::ButtonsType::None,
"Save changes before closing?",
);
dialog.set_title(Some("Unsaved Changes"));
dialog.add_button("Don't Save", gtk::ResponseType::Reject);
dialog.add_button("Cancel", gtk::ResponseType::Cancel);
dialog.add_button("Save", gtk::ResponseType::Accept);
let window = window.clone();
dialog.connect_response(move |dialog, response| {
dialog.close();
match response {
gtk::ResponseType::Accept => {
if current_file.is_some() {
sender.input(Action::Save { close_after: true });
} else {
sender.input(Action::SaveAs { close_after: true });
}
}
gtk::ResponseType::Reject => {
if let Some(ref path) = current_file {
file_registry::unregister_file(path);
}
window.destroy();
}
_ => {}
}
});
dialog.show();
}
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