74 строки
1.8 KiB
C#
74 строки
1.8 KiB
C#
#if __MOBILE__
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using UIKit;
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using Xamarin.Forms.Internals;
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namespace Xamarin.Forms.Platform.iOS
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#else
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using Xamarin.Forms.Internals;
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namespace Xamarin.Forms.Platform.MacOS
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#endif
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{
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internal class ResourcesProvider : ISystemResourcesProvider
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{
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ResourceDictionary _dictionary;
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public ResourcesProvider()
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{
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#if __MOBILE__
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UIApplication.Notifications.ObserveContentSizeCategoryChanged((sender, args) => UpdateStyles());
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#endif
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}
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public IResourceDictionary GetSystemResources()
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{
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_dictionary = new ResourceDictionary();
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UpdateStyles();
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return _dictionary;
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}
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#if __MOBILE__
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Style GenerateListItemDetailTextStyle()
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{
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var font = new UITableViewCell(UITableViewCellStyle.Subtitle, "Foobar").DetailTextLabel.Font;
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return GenerateStyle(font);
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}
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Style GenerateListItemTextStyle()
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{
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var font = new UITableViewCell(UITableViewCellStyle.Subtitle, "Foobar").TextLabel.Font;
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return GenerateStyle(font);
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}
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Style GenerateStyle(UIFont font)
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{
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var result = new Style(typeof(Label));
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result.Setters.Add(new Setter { Property = Label.FontSizeProperty, Value = (double)font.PointSize });
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result.Setters.Add(new Setter { Property = Label.FontFamilyProperty, Value = font.Name });
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return result;
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}
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void UpdateStyles()
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{
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_dictionary[Device.Styles.TitleStyleKey] = GenerateStyle(UIFont.PreferredHeadline);
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_dictionary[Device.Styles.SubtitleStyleKey] = GenerateStyle(UIFont.PreferredSubheadline);
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_dictionary[Device.Styles.BodyStyleKey] = GenerateStyle(UIFont.PreferredBody);
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_dictionary[Device.Styles.CaptionStyleKey] = GenerateStyle(UIFont.PreferredCaption1);
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_dictionary[Device.Styles.ListItemTextStyleKey] = GenerateListItemTextStyle();
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_dictionary[Device.Styles.ListItemDetailTextStyleKey] = GenerateListItemDetailTextStyle();
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}
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#else
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void UpdateStyles()
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{
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}
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#endif
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}
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} |