public void SimpleTrackEmpty ()
{
var tracker = new ToolbarTracker ();
var page = new ContentPage ();
tracker.Target = page;
Assert.False (tracker.ToolbarItems.Any ());
}
public void SimpleTrackWithItems ()
{
var tracker = new ToolbarTracker ();
ToolbarItem item1, item2;
var page = new ContentPage {
ToolbarItems = {
new ToolbarItem ("Foo", "Foo.png", () => {}),
new ToolbarItem ("Bar", "Bar.png", () => {})
}
};
tracker.Target = page;
Assert.True (tracker.ToolbarItems.Contains (page.ToolbarItems[0]));
Assert.True (tracker.ToolbarItems.Contains (page.ToolbarItems[1]));
}
public void TrackPreConstructedTabbedPage ()
{
var tracker = new ToolbarTracker ();
var toolbarItem1 = new ToolbarItem ("Foo", "Foo.png", () => { });
var toolbarItem2 = new ToolbarItem ("Foo", "Foo.png", () => { });
var toolbarItem3 = new ToolbarItem ("Foo", "Foo.png", () => { });
var subPage1 = new ContentPage {
ToolbarItems = {toolbarItem1}
};
var subPage2 = new ContentPage {
ToolbarItems = {toolbarItem2, toolbarItem3}
};
var tabbedpage = new TabbedPage {
Children = {
subPage1,
subPage2
}
};
tabbedpage.CurrentPage = subPage1;
tracker.Target = tabbedpage;
Assert.True (tracker.ToolbarItems.Count () == 1);
Assert.True (tracker.ToolbarItems.First () == subPage1.ToolbarItems[0]);
bool changed = false;
tracker.CollectionChanged += (sender, args) => changed = true;
tabbedpage.CurrentPage = subPage2;
Assert.True (tracker.ToolbarItems.Count () == 2);
Assert.True (tracker.ToolbarItems.First () == subPage2.ToolbarItems[0]);
Assert.True (tracker.ToolbarItems.Last () == subPage2.ToolbarItems[1]);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
((IPageController)Child).SendDisappearing();
Child = null;
_tracker.Target = null;
_tracker.CollectionChanged -= TrackerOnCollectionChanged;
_tracker = null;
if (NavigationItem.RightBarButtonItems != null)
{
for (var i = 0; i < NavigationItem.RightBarButtonItems.Length; i++)
NavigationItem.RightBarButtonItems[i].Dispose();
}
if (ToolbarItems != null)
{
for (var i = 0; i < ToolbarItems.Length; i++)
ToolbarItems[i].Dispose();
}
}
base.Dispose(disposing);
}
public void AdditionalTargets ()
{
var tracker = new ToolbarTracker ();
var toolbarItem1 = new ToolbarItem ("Foo", "Foo.png", () => { });
var toolbarItem2 = new ToolbarItem ("Foo", "Foo.png", () => { });
var page = new ContentPage {
ToolbarItems = {
toolbarItem1
}
};
var additionalPage = new ContentPage {
ToolbarItems = {toolbarItem2}
};
tracker.Target = page;
tracker.AdditionalTargets = new[] {additionalPage};
Assert.True (tracker.ToolbarItems.Contains (toolbarItem1));
Assert.True (tracker.ToolbarItems.Contains (toolbarItem2));
}
public void UnsetTarget ()
{
var tracker = new ToolbarTracker ();
ToolbarItem item1, item2;
var page = new ContentPage {
ToolbarItems = {
new ToolbarItem ("Foo", "Foo.png", () => {}),
new ToolbarItem ("Bar", "Bar.png", () => {})
}
};
tracker.Target = page;
Assert.True (tracker.ToolbarItems.Count () == 2);
tracker.Target = null;
Assert.False (tracker.ToolbarItems.Any ());
}
public async Task PopAfterTrackingStarted ()
{
var tracker = new ToolbarTracker ();
var toolbarItem1 = new ToolbarItem ("Foo", "Foo.png", () => { });
var toolbarItem2 = new ToolbarItem ("Foo", "Foo.png", () => { });
var page = new NavigationPage (new ContentPage ()) {
ToolbarItems = {
toolbarItem1
}
};
var firstPage = new ContentPage {
ToolbarItems = { toolbarItem2 }
};
tracker.Target = page;
await page.Navigation.PushAsync (firstPage);
Assert.True (tracker.ToolbarItems.Contains (toolbarItem1));
Assert.True (tracker.ToolbarItems.Contains (toolbarItem2));
await page.Navigation.PopAsync ();
Assert.True (tracker.ToolbarItems.Contains (toolbarItem1));
Assert.False (tracker.ToolbarItems.Contains (toolbarItem2));
}
public void Constructor ()
{
var tracker = new ToolbarTracker ();
Assert.Null (tracker.Target);
Assert.False (tracker.ToolbarItems.Any ());
}
public ToolbarTrackerEvents(ToolbarTracker This)
{
this.This = This;
}
public static ToolbarTrackerEvents Events(this ToolbarTracker This)
{
return(new ToolbarTrackerEvents(This));
}
