Merge pull request #49 from jsuarezruiz/master
Added SearchBarRenderer and SearchBar Sample
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commit
4a996501c1
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@ -14,8 +14,9 @@ using Xamarin.Forms;
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[assembly: ExportRenderer(typeof(Image), typeof(ImageRenderer))]
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[assembly: ExportRenderer(typeof(Label), typeof(LabelRenderer))]
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[assembly: ExportRenderer(typeof(ProgressBar), typeof(ProgressBarRenderer))]
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[assembly: ExportRenderer(typeof(TimePicker), typeof(TimePickerRenderer))]
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[assembly: ExportRenderer(typeof(SearchBar), typeof(SearchBarRenderer))]
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[assembly: ExportRenderer(typeof(Switch), typeof(SwitchRenderer))]
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[assembly: ExportRenderer(typeof(TimePicker), typeof(TimePickerRenderer))]
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[assembly: ExportImageSourceHandler(typeof(FileImageSource), typeof(FileImageSourceHandler))]
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[assembly: ExportImageSourceHandler(typeof(StreamImageSource), typeof(StreamImagesourceHandler))]
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[assembly: ExportImageSourceHandler(typeof(UriImageSource), typeof(ImageLoaderSourceHandler))]
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@ -0,0 +1,130 @@
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using Ooui.Forms.Extensions;
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using System;
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using System.ComponentModel;
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using Xamarin.Forms;
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namespace Ooui.Forms.Renderers
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{
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public class SearchBarRenderer : ViewRenderer<SearchBar, Div>
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{
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Input _searchBar;
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Button _searchButton;
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bool _disposed;
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IElementController ElementController => Element as IElementController;
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public override SizeRequest GetDesiredSize(double widthConstraint, double heightConstraint)
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{
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var text = Element.Text;
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if (text == null || text.Length == 0)
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{
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text = Element.Placeholder;
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}
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Size size;
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if (text == null || text.Length == 0)
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{
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size = new Size(Element.FontSize * 0.25, Element.FontSize);
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}
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else
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{
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size = text.MeasureSize(Element.FontFamily, Element.FontSize, Element.FontAttributes);
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}
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size = new Size(size.Width, size.Height * 1.428 + 14);
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return new SizeRequest(size, size);
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}
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protected override void Dispose(bool disposing)
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{
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if (_disposed)
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return;
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_disposed = true;
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if (disposing)
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{
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if (Control != null && _searchBar != null && _searchButton != null)
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{
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_searchBar.Change -= OnChange;
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_searchButton.Click -= OnClick;
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}
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}
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base.Dispose(disposing);
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}
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protected override void OnElementChanged(ElementChangedEventArgs<SearchBar> e)
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{
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base.OnElementChanged(e);
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if (e.NewElement == null)
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return;
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if (Control == null)
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{
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var p = new Div { ClassName = "input-group" };
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var pb = new Span { ClassName = "input-group-btn" };
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_searchButton = new Button { ClassName = "btn btn-secondary", Text = "Search" };
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pb.AppendChild(_searchButton);
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_searchBar = new Input
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{
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ClassName = "form-control",
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Type = InputType.Text
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};
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p.AppendChild(_searchBar);
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p.AppendChild(pb);
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_searchBar.Change += OnChange;
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_searchButton.Click += OnClick;
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SetNativeControl(p);
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}
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UpdateText();
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UpdateTextColor();
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UpdatePlaceholder();
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}
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protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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base.OnElementPropertyChanged(sender, e);
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if (e.PropertyName == SearchBar.TextProperty.PropertyName)
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UpdateText();
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else if (e.PropertyName == SearchBar.PlaceholderProperty.PropertyName)
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UpdatePlaceholder();
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else if (e.PropertyName == SearchBar.PlaceholderColorProperty.PropertyName)
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UpdatePlaceholder();
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else if(e.PropertyName == SearchBar.TextColorProperty.PropertyName)
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UpdateTextColor();
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}
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void UpdateText()
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{
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_searchBar.Value = Element.Text;
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}
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void UpdateTextColor()
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{
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var textColor = (Xamarin.Forms.Color)Element.GetValue(TimePicker.TextColorProperty);
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Control.Style.Color = textColor.ToOouiColor(Xamarin.Forms.Color.Black);
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}
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void UpdatePlaceholder()
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{
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_searchBar.Placeholder = Element.Placeholder ?? string.Empty;
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}
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void OnChange(object sender, EventArgs eventArgs)
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{
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if (_searchBar.Value != Element.Text)
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ElementController.SetValueFromRenderer(SearchBar.TextProperty, _searchBar.Value);
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}
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void OnClick(object sender, TargetEventArgs e)
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{
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Element.OnSearchButtonPressed();
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}
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}
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}
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@ -32,6 +32,7 @@ namespace Samples
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new DisplayAlertSample ().Publish ();
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new DotMatrixClockSample().Publish();
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new EditorSample().Publish();
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new SearchBarSample().Publish();
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new TimePickerSample().Publish();
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new TipCalcSample().Publish();
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new WeatherAppSample().Publish();
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@ -0,0 +1,114 @@
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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 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("/searchbar", CreateElement);
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}
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}
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}
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