crown-engine/tools/widgets/reference_chooser.vala

/*
 * Copyright (c) 2012-2020 Daniele Bartolini and individual contributors.
 * License: https://github.com/dbartolini/crown/blob/master/LICENSE
 */

using Gtk;

namespace Crown
{
	public class ReferenceChooser : Gtk.Box
	{
		// Data
		private bool _stop_emit;
		private string _type;

		// Widgets
		private Gtk.Entry _name;
		private Gtk.Button _selector;
		private ProjectStore _project_store;

		public string value
		{
			get
			{
				return _name.text;
			}
			set
			{
				_stop_emit = true;
				_name.text = value;
				_stop_emit = false;
			}
		}

		// Signals
		public signal void value_changed();

		public ReferenceChooser(ProjectStore store, string type)
		{
			Object(orientation: Gtk.Orientation.HORIZONTAL, spacing: 0);

			// Data
			_stop_emit = false;
			_type = type;

			// Widgets
			_name = new Gtk.Entry();
			_name.sensitive = false;
			_name.hexpand = true;
			_name.changed.connect(on_value_changed);
			_selector = new Gtk.Button.from_icon_name("document-open-symbolic");
			_selector.clicked.connect(on_selector_clicked);
			_project_store = store;

			add(_name);
			add(_selector);
		}

		private void on_value_changed()
		{
			if (!_stop_emit)
				value_changed();
		}

		private void on_selector_clicked()
		{
			Gtk.Dialog dg = new Gtk.Dialog.with_buttons("Select resource"
				, null
				, DialogFlags.MODAL
				, null
				);

			var rb = new ResourceBrowser(null, _project_store, false);
			rb.set_type_filter(type_filter);
			rb.resource_selected.connect(() => { _name.text = rb._name; dg.response(ResponseType.OK); });

			dg.skip_taskbar_hint = true;
			dg.get_content_area().add(rb);
			dg.show_all();
			dg.run();
			dg.destroy();
		}

		private bool type_filter(string type, string name)
		{
			return _type == type;
		}
	}
}