84 lines
3.3 KiB
C#
84 lines
3.3 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Media;
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using System.Windows.Shapes;
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namespace MECF.Framework.UI.Client.Themes
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{
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class CenterBorderGapMaskConverter : IMultiValueConverter
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{
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// Methods
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public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
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{
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Type type = typeof(double);
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if (values == null
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|| values.Length != 3
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|| values[0] == null
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|| values[1] == null
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|| values[2] == null
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|| !type.IsAssignableFrom(values[0].GetType())
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|| !type.IsAssignableFrom(values[1].GetType())
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|| !type.IsAssignableFrom(values[2].GetType()))
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{
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return DependencyProperty.UnsetValue;
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}
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double pixels = (double)values[0];
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double width = (double)values[1];
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double height = (double)values[2];
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if ((width == 0.0) || (height == 0.0))
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{
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return null;
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}
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Grid visual = new Grid();
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visual.Width = width;
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visual.Height = height;
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ColumnDefinition colDefinition1 = new ColumnDefinition();
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ColumnDefinition colDefinition2 = new ColumnDefinition();
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ColumnDefinition colDefinition3 = new ColumnDefinition();
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colDefinition1.Width = new GridLength(1.0, GridUnitType.Star);
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colDefinition2.Width = new GridLength(pixels);
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colDefinition3.Width = new GridLength(1.0, GridUnitType.Star);
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visual.ColumnDefinitions.Add(colDefinition1);
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visual.ColumnDefinitions.Add(colDefinition2);
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visual.ColumnDefinitions.Add(colDefinition3);
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RowDefinition rowDefinition1 = new RowDefinition();
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RowDefinition rowDefinition2 = new RowDefinition();
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rowDefinition1.Height = new GridLength(height / 2.0);
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rowDefinition2.Height = new GridLength(1.0, GridUnitType.Star);
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visual.RowDefinitions.Add(rowDefinition1);
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visual.RowDefinitions.Add(rowDefinition2);
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Rectangle rectangle1 = new Rectangle();
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Rectangle rectangle2 = new Rectangle();
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Rectangle rectangle3 = new Rectangle();
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rectangle1.Fill = Brushes.Black;
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rectangle2.Fill = Brushes.Black;
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rectangle3.Fill = Brushes.Black;
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Grid.SetRowSpan(rectangle1, 2);
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Grid.SetRow(rectangle1, 0);
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Grid.SetColumn(rectangle1, 0);
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Grid.SetRow(rectangle2, 1);
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Grid.SetColumn(rectangle2, 1);
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Grid.SetRowSpan(rectangle3, 2);
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Grid.SetRow(rectangle3, 0);
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Grid.SetColumn(rectangle3, 2);
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visual.Children.Add(rectangle1);
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visual.Children.Add(rectangle2);
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visual.Children.Add(rectangle3);
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return new VisualBrush(visual);
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}
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public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
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{
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return new object[] { Binding.DoNothing };
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}
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}
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}
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