117 lines
2.6 KiB
Vala
117 lines
2.6 KiB
Vala
using Gtk;
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public class Tootle.Views.TabbedBase : Views.Base {
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static int ID_COUNTER = 0;
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protected Hdy.ViewSwitcherTitle switcher_title;
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protected Hdy.ViewSwitcherBar switcher_bar;
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protected Stack stack;
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Views.Base? last_view = null;
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construct {
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content = content_box;
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content_list.destroy ();
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state = "content";
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states.get_parent ().remove (states);
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view.get_style_context ().remove_class ("app-view");
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scrolled.destroy ();
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pack_start (states);
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stack = new Stack ();
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stack.transition_duration = 100;
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stack.transition_type = StackTransitionType.CROSSFADE;
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stack.notify["visible-child"].connect (on_view_switched);
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stack.show ();
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content_box.pack_start (stack);
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switcher_bar.stack = switcher_title.stack = stack;
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}
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public override void build_header () {
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switcher_title = new Hdy.ViewSwitcherTitle ();
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switcher_title.show ();
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header.bind_property ("title", switcher_title, "title", BindingFlags.SYNC_CREATE);
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header.bind_property ("subtitle", switcher_title, "subtitle", BindingFlags.SYNC_CREATE);
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header.custom_title = switcher_title;
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switcher_bar = new Hdy.ViewSwitcherBar ();
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switcher_bar.show ();
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switcher_title.bind_property ("title-visible", switcher_bar, "reveal", BindingFlags.SYNC_CREATE);
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pack_end (switcher_bar, false, false, 0);
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}
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public void add_tab (Views.Base view) {
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ID_COUNTER++;
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stack.add_titled (view, ID_COUNTER.to_string (), view.label);
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stack.child_set_property (view, "icon-name", view.icon);
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view.notify["needs-attention"].connect (() => {
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stack.child_set_property (view, "needs-attention", view.needs_attention);
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});
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view.header.hide ();
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}
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public Views.Base add_list_tab (string label, string icon) {
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var tab = new Views.Base ();
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tab.label = label;
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tab.icon = icon;
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add_tab (tab);
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return tab;
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}
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public delegate void TabCB (Views.Base tab);
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public void foreach_tab (TabCB cb) {
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stack.@foreach (child => {
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var tab = child as Views.Base;
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if (tab != null)
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cb (tab);
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});
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}
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public override void clear () {
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foreach_tab (tab => tab.clear ());
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on_content_changed ();
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}
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public override void on_content_changed () {
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var empty = true;
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foreach_tab (tab => {
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tab.visible = !tab.empty;
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if (tab.visible)
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empty = false;
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tab.on_content_changed ();
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});
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if (empty) {
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state = "status";
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status_message = STATUS_EMPTY;
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}
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else {
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state = "content";
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}
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}
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void on_view_switched () {
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var view = stack.visible_child as Views.Base;
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if (last_view != null) {
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last_view.current = false;
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last_view.on_hidden ();
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}
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if (view != null) {
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header.title = view.label;
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view.current = true;
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view.on_shown ();
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}
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last_view = view;
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}
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}
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