Ooui-tws-port/Samples/SearchBarSample.cs

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C#
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2017-12-27 10:48:58 +00:00
using Ooui;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Xamarin.Forms;
namespace Samples
{
public class SearchBarSample : ISample
{
private Xamarin.Forms.Label _resultsLabel;
public string Title => "Xamarin.Forms SearchBar";
public Ooui.Element CreateElement()
{
var panel = new StackLayout();
var titleLabel = new Xamarin.Forms.Label
{
Text = "SearchBar",
FontSize = 24,
FontAttributes = FontAttributes.Bold,
};
panel.Children.Add(titleLabel);
SearchBar searchBar = new SearchBar
{
Placeholder = "Xamarin.Forms Property",
};
searchBar.SearchButtonPressed += OnSearchBarButtonPressed;
panel.Children.Add(searchBar);
_resultsLabel = new Xamarin.Forms.Label();
panel.Children.Add(_resultsLabel);
var page = new ContentPage
{
Content = panel
};
return page.GetOouiElement();
}
void OnSearchBarButtonPressed(object sender, EventArgs args)
{
// Get the search text.
SearchBar searchBar = (SearchBar)sender;
string searchText = searchBar.Text;
// Create a List and initialize the results Label.
var list = new List<Tuple<Type, Type>>();
_resultsLabel.Text = string.Empty;
// Get Xamarin.Forms assembly.
Assembly xamarinFormsAssembly = typeof(View).GetTypeInfo().Assembly;
// Loop through all the types.
foreach (Type type in xamarinFormsAssembly.ExportedTypes)
{
TypeInfo typeInfo = type.GetTypeInfo();
// Public types only.
if (typeInfo.IsPublic)
{
// Loop through the properties.
foreach (PropertyInfo property in typeInfo.DeclaredProperties)
{
// Check for a match
if (property.Name.Equals(searchText))
{
// Add it to the list.
list.Add(Tuple.Create<Type, Type>(type, property.PropertyType));
}
}
}
}
if (list.Count == 0)
{
_resultsLabel.Text =
String.Format("No Xamarin.Forms properties with " +
"the name of {0} were found",
searchText);
}
else
{
_resultsLabel.Text = "The ";
foreach (Tuple<Type, Type> tuple in list)
{
_resultsLabel.Text +=
String.Format("{0} type defines a property named {1} of type {2}",
tuple.Item1.Name, searchText, tuple.Item2.Name);
if (tuple != list.Last())
{
_resultsLabel.Text += "; and the ";
}
}
_resultsLabel.Text += ".";
}
}
public void Publish()
{
UI.Publish("/searchbar", CreateElement);
}
}
}