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Implemented core Legend functionality
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Windows.Media; | ||
|
|
||
| namespace AmCharts.Windows.QuickCharts | ||
| { | ||
| public interface ILegendItem | ||
| { | ||
| string Title { get; set; } | ||
| Brush Brush { get; set; } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.Collections.ObjectModel; | ||
| using System.Collections.Specialized; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
|
|
||
| namespace AmCharts.Windows.QuickCharts | ||
| { | ||
| public class Legend : ItemsControl | ||
| { | ||
| public Legend() | ||
| { | ||
| this.DefaultStyleKey = typeof(Legend); | ||
|
|
||
| this.ItemsSource = _itemsSource; | ||
| } | ||
|
|
||
| private ObservableCollection<LegendItem> _itemsSource = new ObservableCollection<LegendItem>(); | ||
|
|
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| private IEnumerable<ILegendItem> _legendItemsSource; | ||
| public IEnumerable<ILegendItem> LegendItemsSource | ||
| { | ||
| get { return _legendItemsSource; } | ||
| set | ||
| { | ||
| if (value is INotifyCollectionChanged) | ||
| { | ||
| (value as INotifyCollectionChanged).CollectionChanged += new NotifyCollectionChangedEventHandler(LegendItemsSource_CollectionChanged); | ||
| } | ||
| _legendItemsSource = value; | ||
| _itemsSource.Clear(); | ||
| AddLegendItems(value.ToList()); | ||
| } | ||
| } | ||
|
|
||
| void LegendItemsSource_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e) | ||
| { | ||
| if (e.Action == NotifyCollectionChangedAction.Reset) | ||
| { | ||
| _itemsSource.Clear(); | ||
| } | ||
| else | ||
| { | ||
| if (e.OldItems != null) | ||
| { | ||
| foreach (ILegendItem item in e.NewItems) | ||
| { | ||
| _itemsSource.Remove(_itemsSource.First(p => p.OriginalItem == item)); | ||
| } | ||
| } | ||
|
|
||
| AddLegendItems(e.NewItems); | ||
| } | ||
| } | ||
|
|
||
| private void AddLegendItems(IList items) | ||
| { | ||
| if (items != null) | ||
| { | ||
| foreach (ILegendItem item in items) | ||
| { | ||
| _itemsSource.Add(new LegendItem() { | ||
| Title = item.Title, | ||
| Brush = item.Brush, | ||
| OriginalItem = item | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
|
|
||
| namespace AmCharts.Windows.QuickCharts | ||
| { | ||
| public class LegendItem : ILegendItem | ||
| { | ||
| public string Title | ||
| { | ||
| get; | ||
| set; | ||
| } | ||
|
|
||
| public System.Windows.Media.Brush Brush | ||
| { | ||
| get; | ||
| set; | ||
| } | ||
|
|
||
| public ILegendItem OriginalItem | ||
| { | ||
| get; | ||
| set; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| <ResourceDictionary | ||
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | ||
| xmlns:amq="clr-namespace:AmCharts.Windows.QuickCharts" | ||
| > | ||
| <Style TargetType="amq:Legend"> | ||
| <Setter Property="Template"> | ||
| <Setter.Value> | ||
| <ControlTemplate TargetType="amq:Legend"> | ||
| <Border> | ||
| <ItemsPresenter /> | ||
| </Border> | ||
| </ControlTemplate> | ||
| </Setter.Value> | ||
| </Setter> | ||
|
|
||
| <!--<Setter Property="ItemsPanel"> | ||
| <Setter.Value> | ||
| <ItemsPanelTemplate> | ||
| <StackPanel /> | ||
| </ItemsPanelTemplate> | ||
| </Setter.Value> | ||
| </Setter>--> | ||
|
|
||
| <Setter Property="ItemTemplate"> | ||
| <Setter.Value> | ||
| <DataTemplate> | ||
| <StackPanel Orientation="Horizontal"> | ||
| <Rectangle Fill="{Binding Brush}" Height="10" Width="10" Margin="5" /> | ||
| <TextBlock Text="{Binding Title}" VerticalAlignment="Center" /> | ||
| </StackPanel> | ||
| </DataTemplate> | ||
| </Setter.Value> | ||
| </Setter> | ||
|
|
||
|
|
||
| </Style> | ||
| </ResourceDictionary> |
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