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public class ImportRoll.Branch : Sidebar.Branch {
private Gee.HashMap<int64?, ImportRoll.SidebarEntry> entries;
public class Branch() {
base (new ImportRoll.Root(),
Sidebar.Branch.Options.HIDE_IF_EMPTY,
ImportRoll.Branch.comparator);
this.entries = new Gee.HashMap<int64?, ImportRoll.SidebarEntry>(int64_hash, int64_equal);
foreach (var source in MediaCollectionRegistry.get_instance().get_all()) {
on_import_rolls_altered(source);
source.import_roll_altered.connect(on_import_rolls_altered);
}
}
private static int comparator(Sidebar.Entry a, Sidebar.Entry b) {
if (a == b)
return 0;
var entry_a = (ImportRoll.SidebarEntry) a;
var entry_b = (ImportRoll.SidebarEntry) b;
return -ImportID.compare_func(entry_a.get_id(), entry_b.get_id());
}
private void on_import_rolls_altered(MediaSourceCollection source) {
var ids = source.get_import_roll_ids();
foreach (var id in ids) {
if (!this.entries.has_key (id.id)) {
var entry = new ImportRoll.SidebarEntry(id);
entries.set(id.id, entry);
graft(get_root(), entry);
}
}
}
}
private class ImportRoll.Root : Sidebar.Header {
public Root() {
base (_("Imports"), _("Browse the library’s import history"));
}
}
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