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101 lines
2.9 KiB
101 lines
2.9 KiB
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt) |
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt) |
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using System; |
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using System.Collections.ObjectModel; |
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using System.ComponentModel; |
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using System.Globalization; |
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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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namespace ICSharpCode.AvalonEdit.CodeCompletion |
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{ |
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/// <summary> |
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/// Represents a text between "Up" and "Down" buttons. |
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/// </summary> |
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public class OverloadViewer : Control |
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{ |
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static OverloadViewer() |
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{ |
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DefaultStyleKeyProperty.OverrideMetadata(typeof(OverloadViewer), |
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new FrameworkPropertyMetadata(typeof(OverloadViewer))); |
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} |
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/// <summary> |
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/// The text property. |
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/// </summary> |
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public static readonly DependencyProperty TextProperty = |
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DependencyProperty.Register("Text", typeof(string), typeof(OverloadViewer)); |
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/// <summary> |
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/// Gets/Sets the text between the Up and Down buttons. |
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/// </summary> |
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public string Text { |
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get { return (string)GetValue(TextProperty); } |
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set { SetValue(TextProperty, value); } |
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} |
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/// <inheritdoc/> |
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public override void OnApplyTemplate() |
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{ |
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base.OnApplyTemplate(); |
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Button upButton = (Button)this.Template.FindName("PART_UP", this); |
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upButton.Click += (sender, e) => { |
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e.Handled = true; |
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ChangeIndex(-1); |
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}; |
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Button downButton = (Button)this.Template.FindName("PART_DOWN", this); |
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downButton.Click += (sender, e) => { |
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e.Handled = true; |
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ChangeIndex(+1); |
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}; |
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} |
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/// <summary> |
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/// The ItemProvider property. |
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/// </summary> |
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public static readonly DependencyProperty ProviderProperty = |
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DependencyProperty.Register("Provider", typeof(IOverloadProvider), typeof(OverloadViewer)); |
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/// <summary> |
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/// Gets/Sets the item provider. |
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/// </summary> |
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public IOverloadProvider Provider { |
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get { return (IOverloadProvider)GetValue(ProviderProperty); } |
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set { SetValue(ProviderProperty, value); } |
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} |
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/// <summary> |
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/// Changes the selected index. |
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/// </summary> |
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/// <param name="relativeIndexChange">The relative index change - usual values are +1 or -1.</param> |
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public void ChangeIndex(int relativeIndexChange) |
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{ |
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IOverloadProvider p = this.Provider; |
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if (p != null) { |
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int newIndex = p.SelectedIndex + relativeIndexChange; |
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if (newIndex < 0) |
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newIndex = p.Count - 1; |
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if (newIndex >= p.Count) |
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newIndex = 0; |
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p.SelectedIndex = newIndex; |
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} |
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} |
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} |
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sealed class CollapseIfSingleOverloadConverter : IValueConverter |
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{ |
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture) |
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{ |
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return ((int)value < 2) ? Visibility.Collapsed : Visibility.Visible; |
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} |
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) |
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{ |
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throw new NotImplementedException(); |
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} |
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} |
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}
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