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