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/******************************************************************************
* Copyright (C) 2011-2013 Michael Hofmann <mh21@mh21.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
******************************************************************************/
public class ItemHelp : Object {
// only when dialog is visible
private Gtk.Dialog items;
private MenuModel menumodel;
// helper
private unowned Gtk.TreeStore itemstore;
private unowned Gtk.TreeView itemview;
public Indicator indicator { get; construct; }
public ItemHelp(Indicator indicator) {
Object(indicator: indicator);
}
public void show() {
if (this.items != null) {
this.items.present();
return;
}
Gtk.Builder builder;
this.items = Utils.get_ui("itemhelpdialog", this, {"itemhelpstore"}, out builder) as Gtk.Dialog;
return_if_fail(this.items != null);
this.itemstore = builder.get_object("itemhelpstore") as Gtk.TreeStore;
this.itemview = builder.get_object("itemhelpview") as Gtk.TreeView;
this.itemstore.clear();
this.menumodel = new MenuModel(this.indicator.providers);
string[] expressions = {};
foreach (var provider in this.indicator.providers.providers) {
Gtk.TreeIter parent;
this.itemstore.insert_with_values(out parent, null, -1,
0, provider.id,
3, -1);
string[] keys = provider.keys;
for (uint i = 0, isize = keys.length; i < isize; ++i) {
var variable = @"$(provider.id).$(keys[i])";
for (uint j = 0, jsize = provider.displaytypes.length; j < jsize; ++j) {
var expression = "";
switch (provider.displaytypes[j]) {
case 'b':
expression = @"$$(bitrate($variable))";
break;
case 'd':
expression = @"$$(decimals($variable,2))";
break;
case 'p':
expression = @"$$(percent($variable))";
break;
case 's':
expression = @"$$(speed($variable))";
break;
case 'i':
expression = @"$$(size($variable))";
break;
case 'f':
expression = @"$$(frequency($variable))";
break;
default:
expression = @"$$($variable)";
break;
}
expressions += expression;
this.itemstore.insert_with_values(null, parent, -1,
0, keys[i],
1, expression,
3, expressions.length - 1);
}
}
}
this.menumodel.expressions = expressions;
this.update();
this.itemview.expand_all();
this.items.show_all();
}
[CCode (instance_pos = -1)]
public void on_itemhelpdialog_destroy(Gtk.Widget source) {
this.items = null;
this.menumodel = null;
}
[CCode (instance_pos = -1)]
public void on_itemhelpdialog_response(Gtk.Dialog source, int response) {
switch (response) {
case 0: // close
source.destroy();
return;
}
}
public void update() {
if (this.items == null)
return;
this.menumodel.update();
this.itemstore.foreach((model, path, iter) => {
int index;
model.get(iter, 3, out index);
if (index >= 0) {
this.itemstore.set(iter,
2, this.menumodel.expression(index).label());
}
return false;
});
}
}
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