Publicate/src/FileChooser.vala

using Adw;
using Gtk;

namespace Publicate {

    public class FileChooserPopover : Popover {

        private ViewerWindow toplevel;
        private FileExplorer explorer;

        public signal void asset_selected(Ppub.Asset asset);

        public FileChooserPopover(ViewerWindow window) {

            toplevel = window;
            var box = new Box(Orientation.VERTICAL, 8);
            explorer = new FileExplorer();
            explorer.height_request = 200;
            explorer.asset_selected.connect(selected);

            box.append(explorer);
            child = box;
        }

        public void set_assets(Invercargill.Enumerable<Ppub.Asset> files) {
            explorer.set_assets(files);
        }

        public void set_selected_item(string name) {
            explorer.set_selected_item(name);
        }

        private void selected(Ppub.Asset asset) {
            popdown();
            asset_selected(asset);
        }

    }

    public class FileChooserRow : ActionRow {

        public signal void asset_selected(Ppub.Asset asset);

        private ViewerWindow toplevel;
        private FileChooserPopover popover;

        public FileChooserRow(ViewerWindow window) {
            toplevel = window;
            subtitle = "Not selected";
            popover = new FileChooserPopover(window);
            popover.asset_selected.connect(selected);

            add_suffix(popover);
            var button = new Button.from_icon_name("document-open-symbolic");
            button.clicked.connect(() => popover.popup());
            button.margin_bottom = 8;
            button.margin_top = 8;
            button.add_css_class("flat");
            add_suffix(button);

            activatable_widget = button;
            activatable = true;
        }

        public void set_assets(Invercargill.Enumerable<Ppub.Asset> files) {
            popover.set_assets(files);
        }

        private void selected(Ppub.Asset asset) {
            subtitle = asset.name;
            asset_selected(asset);
        }

        public void set_selected_item(string name) {
            subtitle = name;
            popover.set_selected_item(name);
        }


    }

}