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/////////////////////////////////////////////////////////////////////////
// Copyright 2011-2018 Simon Schneegans
//
// 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.
/////////////////////////////////////////////////////////////////////////
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// A list displaying all available Action types and ActionGroup types.
/////////////////////////////////////////////////////////////////////////
class SliceTypeList : Gtk.TreeView {
/////////////////////////////////////////////////////////////////////
/// This signal gets emitted when the user selects a new Type.
/////////////////////////////////////////////////////////////////////
public signal void on_select(string id, string icon_name);
/////////////////////////////////////////////////////////////////////
/// The listore which staroes all types internally.
/////////////////////////////////////////////////////////////////////
private Gtk.ListStore data;
private enum DataPos {ICON, ICON_NAME, NAME, ID}
/////////////////////////////////////////////////////////////////////
/// C'tor, constructs the Widget.
/////////////////////////////////////////////////////////////////////
public SliceTypeList() {
GLib.Object();
this.data = new Gtk.ListStore(4, typeof(Gdk.Pixbuf),
typeof(string),
typeof(string),
typeof(string));
this.data.set_sort_column_id(2, Gtk.SortType.ASCENDING);
base.set_model(this.data);
base.set_headers_visible(true);
base.set_grid_lines(Gtk.TreeViewGridLines.NONE);
this.set_fixed_height_mode(true);
var main_column = new Gtk.TreeViewColumn();
main_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED);
main_column.title = _("Slice types");
var icon_render = new Gtk.CellRendererPixbuf();
main_column.pack_start(icon_render, false);
var name_render = new Gtk.CellRendererText();
name_render.xpad = 6;
main_column.pack_start(name_render, true);
base.append_column(main_column);
main_column.add_attribute(icon_render, "pixbuf", DataPos.ICON);
main_column.add_attribute(name_render, "markup", DataPos.NAME);
this.get_selection().changed.connect(() => {
Gtk.TreeIter active;
if (this.get_selection().get_selected(null, out active)) {
string id = "";
string icon = "";
this.data.get(active, DataPos.ID, out id);
this.data.get(active, DataPos.ICON_NAME, out icon);
this.on_select(id, icon);
}
});
reload_all();
}
/////////////////////////////////////////////////////////////////////
/// Loads a registered actions and action groups.
/////////////////////////////////////////////////////////////////////
public void reload_all() {
Gtk.TreeIter active;
string current_id = "";
if (this.get_selection().get_selected(null, out active))
this.data.get(active, DataPos.ID, out current_id);
data.clear();
foreach (var action_type in ActionRegistry.types) {
var description = ActionRegistry.descriptions[action_type];
Gtk.TreeIter current;
data.append(out current);
var icon = new Icon(description.icon, 36);
data.set(current, DataPos.ICON, icon.to_pixbuf());
data.set(current, DataPos.ICON_NAME, description.icon);
data.set(current, DataPos.NAME, GLib.Markup.escape_text(description.name) + "\n"
+ "<span font-size='x-small'>" + GLib.Markup.escape_text(description.description) + "</span>");
data.set(current, DataPos.ID, description.id);
}
foreach (var group_type in GroupRegistry.types) {
var description = GroupRegistry.descriptions[group_type];
Gtk.TreeIter current;
data.append(out current);
var icon = new Icon(description.icon, 36);
data.set(current, DataPos.ICON, icon.to_pixbuf());
data.set(current, DataPos.ICON_NAME, description.icon);
data.set(current, DataPos.NAME, GLib.Markup.escape_text(description.name) + "\n"
+ "<span font-size='x-small'>" + GLib.Markup.escape_text(description.description) + "</span>");
data.set(current, DataPos.ID, description.id);
}
select_first();
select(current_id);
}
/////////////////////////////////////////////////////////////////////
/// Selects the first type in the list.
/////////////////////////////////////////////////////////////////////
public void select_first() {
Gtk.TreeIter active;
if(this.data.get_iter_first(out active) ) {
this.get_selection().select_iter(active);
string id = "";
string icon = "";
this.data.get(active, DataPos.ID, out id);
this.data.get(active, DataPos.ICON_NAME, out icon);
this.on_select(id, icon);
} else {
this.on_select("", "stock_unknown");
}
}
/////////////////////////////////////////////////////////////////////
/// Select the given slice type.
/////////////////////////////////////////////////////////////////////
public void select(string id) {
this.data.foreach((model, path, iter) => {
string pie_id;
this.data.get(iter, DataPos.ID, out pie_id);
if (id == pie_id) {
this.get_selection().select_iter(iter);
string icon = "";
this.data.get(iter, DataPos.ICON_NAME, out icon);
this.on_select(pie_id, icon);
this.scroll_to_cell(path, null, true, 0.5f, 0.5f);
this.has_focus = true;
return true;
}
return false;
});
}
}
}
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