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/*
* Copyright 2017–2019 elementary, Inc. (https://elementary.io)
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/**
* SimpleSettingsPage is a widget divided into three sections: a predefined header,
* a content area, and an action area.
*/
public abstract class Granite.SimpleSettingsPage : Granite.SettingsPage {
private Gtk.Image header_icon;
private Gtk.Label description_label;
private Gtk.Label title_label;
private string _description;
/**
* A {@link Gtk.ButtonbBox} used as the action area for #this
*/
public Gtk.ButtonBox action_area { get; construct; }
/**
* A {@link Gtk.Grid} used as the content area for #this
*/
public Gtk.Grid content_area { get; construct; }
/**
* A {@link Gtk.Switch} that appears in the header area when #this.activatable is #true. #status_switch will be #null when #this.activatable is #false
*/
public Gtk.Switch? status_switch { get; construct; }
/**
* Creates a {@link Gtk.Switch} #status_switch in the header of #this
*/
public bool activatable { get; construct; }
/**
* Creates a {@link Gtk.Label} with a page description in the header of #this
*/
public string description {
get {
return _description;
}
construct set {
if (description_label != null) {
description_label.label = value;
}
_description = value;
}
}
/**
* An icon name associated with #this
* Deprecated: Use #SettingsPage.icon_name instead.
*/
public new string icon_name {
get {
return _icon_name;
}
construct set {
if (header_icon != null) {
header_icon.icon_name = value;
}
_icon_name = value;
}
}
/**
* A title associated with #this
* Deprecated: Use #SettingsPage.title instead.
*/
public new string title {
get {
return _title;
}
construct set {
if (title_label != null) {
title_label.label = value;
}
_title = value;
}
}
/**
* Creates a new SimpleSettingsPage
* Deprecated: Subclass this instead.
*/
protected SimpleSettingsPage () {
}
construct {
header_icon = new Gtk.Image.from_icon_name (icon_name, Gtk.IconSize.DIALOG);
header_icon.pixel_size = 48;
header_icon.valign = Gtk.Align.START;
title_label = new Gtk.Label (title);
title_label.ellipsize = Pango.EllipsizeMode.END;
title_label.selectable = true;
title_label.xalign = 0;
title_label.get_style_context ().add_class (Granite.STYLE_CLASS_H2_LABEL);
var header_area = new Gtk.Grid ();
header_area.column_spacing = 12;
header_area.row_spacing = 3;
header_area.attach (title_label, 1, 0);
if (description != null) {
description_label = new Gtk.Label (description);
description_label.selectable = true;
description_label.xalign = 0;
description_label.wrap = true;
header_area.attach (header_icon, 0, 0, 1, 2);
header_area.attach (description_label, 1, 1);
} else {
header_area.attach (header_icon, 0, 0);
}
if (activatable) {
status_switch = new Gtk.Switch ();
status_switch.hexpand = true;
status_switch.halign = Gtk.Align.END;
status_switch.valign = Gtk.Align.CENTER;
header_area.attach (status_switch, 2, 0);
}
content_area = new Gtk.Grid ();
content_area.column_spacing = 12;
content_area.row_spacing = 12;
content_area.vexpand = true;
action_area = new Gtk.ButtonBox (Gtk.Orientation.HORIZONTAL);
action_area.set_layout (Gtk.ButtonBoxStyle.END);
action_area.spacing = 6;
var grid = new Gtk.Grid ();
grid.margin = 12;
grid.orientation = Gtk.Orientation.VERTICAL;
grid.row_spacing = 24;
grid.add (header_area);
grid.add (content_area);
grid.add (action_area);
add (grid);
set_action_area_visibility ();
action_area.add.connect (set_action_area_visibility);
action_area.remove.connect (set_action_area_visibility);
notify["icon-name"].connect (() => {
if (header_icon != null) {
header_icon.icon_name = icon_name;
}
});
notify["title"].connect (() => {
if (title_label != null) {
title_label.label = title;
}
});
}
private void set_action_area_visibility () {
if (action_area.get_children () != null) {
action_area.no_show_all = false;
action_area.show ();
} else {
action_area.no_show_all = true;
action_area.hide ();
}
}
}
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