ClemensFischer/XAML-Map-Control
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Simplified layout in MapPanel, replaced ViewportPosition by Point?.

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ClemensF 2012-08-26 21:54:00 +02:00
parent e7f78df179
commit d055d737ed
9 changed files with 89 additions and 120 deletions
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21
SampleApps/SampleApplication/MainWindow.xaml
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@ -46,7 +46,7 @@
<local:SampleItemCollection x:Key="Polylines"/>
<local:SampleItemCollection x:Key="Points"/>
<local:SampleItemCollection x:Key="Pushpins"/>
<BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
<local:ViewportPositionToVisibilityConverter x:Key="ViewportPositionToVisibilityConverter"/>
<DataTemplate x:Key="PolylineItemTemplate">
<map:MapPolyline Locations="{Binding Locations}" Stroke="Red" StrokeThickness="3"/>
</DataTemplate>
@ -100,7 +100,14 @@
</Style>
<Style x:Key="PushpinItemStyle" TargetType="map:MapItem">
<Setter Property="map:MapPanel.Location" Value="{Binding Location}"/>
<Setter Property="Visibility" Value="{Binding (map:MapPanel.ViewportPosition).IsInside, Converter={StaticResource BooleanToVisibilityConverter}, RelativeSource={RelativeSource Self}}"/>
<Setter Property="Visibility">
<Setter.Value>
<MultiBinding Converter="{StaticResource ViewportPositionToVisibilityConverter}">
<Binding Path="(map:MapPanel.ParentMap)" RelativeSource="{RelativeSource Self}"/>
<Binding Path="(map:MapPanel.ViewportPosition)" RelativeSource="{RelativeSource Self}"/>
</MultiBinding>
</Setter.Value>
</Setter>
<Setter Property="HorizontalAlignment" Value="Left"/>
<Setter Property="VerticalAlignment" Value="Bottom"/>
<Setter Property="Template">
@ -137,8 +144,14 @@
<map:MapItemsControl ItemsSource="{StaticResource Pushpins}"
ItemContainerStyle="{StaticResource PushpinItemStyle}"
IsSynchronizedWithCurrentItem="True"/>
<map:Pushpin Location="53.5,8.2" Background="Yellow" Foreground="Blue" Content="N 53° 30' E 8° 12'"
Visibility="{Binding (map:MapPanel.ViewportPosition).IsInside, Converter={StaticResource BooleanToVisibilityConverter}, RelativeSource={RelativeSource Self}}"/>
<map:Pushpin Location="53.5,8.2" Background="Yellow" Foreground="Blue" Content="N 53° 30' E 8° 12'">
<map:Pushpin.Visibility>
<MultiBinding Converter="{StaticResource ViewportPositionToVisibilityConverter}">
<Binding Path="(map:MapPanel.ParentMap)" RelativeSource="{RelativeSource Self}"/>
<Binding Path="(map:MapPanel.ViewportPosition)" RelativeSource="{RelativeSource Self}"/>
</MultiBinding>
</map:Pushpin.Visibility>
</map:Pushpin>
<TextBlock HorizontalAlignment="Left" VerticalAlignment="Bottom" Margin="2,0,0,0" FontSize="10"
Text="{Binding BaseTileLayer.Description, ElementName=map}"/>
</map:Map>

1
SampleApps/SampleApplication/SampleApplication.csproj
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@ -60,6 +60,7 @@
<DependentUpon>Settings.settings</DependentUpon>
</Compile>
<Compile Include="SampleItems.cs" />
<Compile Include="ViewportPositionToVisibilityConverter.cs" />
<Page Include="MainWindow.xaml">
<Generator>MSBuild:Compile</Generator>
<SubType>Designer</SubType>

35
SampleApps/SampleApplication/ViewportPositionToVisibilityConverter.cs Normal file
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@ -0,0 +1,35 @@
using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
using MapControl;
namespace SampleApplication
{
public class ViewportPositionToVisibilityConverter : IMultiValueConverter
{
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
Visibility visibility = Visibility.Visible;
if (values.Length == 2 && values[0] is Map && values[1] is Point? && ((Point?)values[1]).HasValue)
{
Map parentMap = (Map)values[0];
Point position = ((Point?)values[1]).Value;
if (position.X < 0d || position.X > parentMap.ActualWidth ||
position.Y < 0d || position.Y > parentMap.ActualHeight)
{
visibility = Visibility.Hidden;
}
}
return visibility;
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
throw new NotSupportedException();
}
}
}