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Initial commit - WPinternals 2.6
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Rene Lergner
@@ -0,0 +1,448 @@
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// Copyright (c) 2018, Rene Lergner - wpinternals.net - @Heathcliff74xda
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.ComponentModel;
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using System.Globalization;
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using System.Threading;
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using System.Windows;
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using System.Windows.Media;
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namespace WPinternals
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{
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public class PathChangedEventArgs: EventArgs
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{
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public PathChangedEventArgs(string NewPath)
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: base()
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{
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this.NewPath = NewPath;
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}
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public string NewPath;
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}
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public delegate void PathChangedEventHandler(
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Object sender,
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PathChangedEventArgs e
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);
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/// <summary>
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/// Interaction logic for FilePickerControl.xaml
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/// </summary>
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public partial class FilePickerBase : System.Windows.Controls.UserControl, INotifyPropertyChanged
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{
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private SynchronizationContext UIContext;
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public event PropertyChangedEventHandler PropertyChanged = delegate { };
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public event PathChangedEventHandler PathChanged = delegate { };
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protected void OnPropertyChanged(string propertyName)
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{
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if (this.PropertyChanged != null)
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{
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if (SynchronizationContext.Current == UIContext)
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PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
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else
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{
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UIContext.Post((s) => PropertyChanged(this, new PropertyChangedEventArgs(propertyName)), null);
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}
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}
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}
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public FilePickerBase()
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{
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UIContext = SynchronizationContext.Current;
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InitializeComponent();
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}
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public bool AllowNull
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{
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get
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{
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return (bool)GetValue(AllowNullProperty);
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}
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set
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{
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SetValue(AllowNullProperty, value);
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Resize();
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}
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}
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public static readonly DependencyProperty AllowNullProperty =
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DependencyProperty.Register("AllowNull", typeof(bool), typeof(FilePickerBase), new UIPropertyMetadata(false));
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public string Caption
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{
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get
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{
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return (string)GetValue(CaptionProperty);
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}
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set
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{
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SetValue(CaptionProperty, value);
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Resize();
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}
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}
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public static readonly DependencyProperty CaptionProperty =
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DependencyProperty.Register("Caption", typeof(string), typeof(FilePickerBase), new UIPropertyMetadata(null));
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public string Path
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{
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get
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{
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return (string)GetValue(PathProperty);
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}
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set
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{
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if ((string)GetValue(PathProperty) != value)
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{
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SetValue(PathProperty, value);
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Resize();
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PathChanged(this, new PathChangedEventArgs(value));
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}
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}
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}
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public static readonly DependencyProperty PathProperty =
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DependencyProperty.Register("Path", typeof(string), typeof(FilePickerBase), new UIPropertyMetadata(null));
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public string SelectionText
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{
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get
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{
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return (string)GetValue(SelectionTextProperty);
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}
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set
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{
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SetValue(SelectionTextProperty, value);
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Resize();
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}
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}
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public static readonly DependencyProperty SelectionTextProperty =
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DependencyProperty.Register("SelectionText", typeof(string), typeof(FilePickerBase), new UIPropertyMetadata(""));
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private void SizeChangedHandler(object sender, SizeChangedEventArgs e)
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{
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Resize();
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}
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protected override Size MeasureOverride(Size availableSize)
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{
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var resultSize = new Size(availableSize.Width, 0);
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FormattedText formatted = new FormattedText(
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"TEST",
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CultureInfo.CurrentCulture,
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FlowDirection.LeftToRight,
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new Typeface(PathTextBlock.FontFamily, PathTextBlock.FontStyle, PathTextBlock.FontWeight, PathTextBlock.FontStretch),
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FontSize,
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Foreground
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);
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resultSize.Height = formatted.Height;
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return resultSize;
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}
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private void Resize()
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{
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if (!IsLoaded)
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return;
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CaptionTextBlock.Text = Caption;
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FormattedText formatted = new FormattedText(
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CaptionTextBlock.Text,
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CultureInfo.CurrentCulture,
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FlowDirection.LeftToRight,
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new Typeface(CaptionTextBlock.FontFamily, CaptionTextBlock.FontStyle, CaptionTextBlock.FontWeight, CaptionTextBlock.FontStretch),
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FontSize,
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Foreground
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);
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double CaptionWidth = formatted.Width;
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if (CaptionWidth > 0)
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CaptionWidth += 10;
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bool SelectVisible = (Path == null);
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bool ChangeVisible = (Path != null);
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bool ClearVisible = ((Path != null) && (AllowNull));
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double NewWidth = ActualWidth - CaptionWidth;
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if (SelectVisible)
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NewWidth -= SelectLink.ActualWidth;
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if (ChangeVisible)
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NewWidth -= (ChangeLink.ActualWidth + 10);
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if (ClearVisible)
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NewWidth -= (ClearLink.ActualWidth + 10);
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SetText(NewWidth);
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// Calculate the new ActualWidth
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// We can't use PathTextBlock.ActualWidth yet, because LayoutUpdated event has not yet been triggered
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formatted = new FormattedText(
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PathTextBlock.Text,
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CultureInfo.CurrentCulture,
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FlowDirection.LeftToRight,
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new Typeface(PathTextBlock.FontFamily, PathTextBlock.FontStyle, PathTextBlock.FontWeight, PathTextBlock.FontStretch),
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FontSize,
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Foreground
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);
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if (NewWidth < 0)
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PathTextBlock.Width = 0;
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else if (formatted.Width > NewWidth)
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PathTextBlock.Width = NewWidth;
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else
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PathTextBlock.Width = formatted.Width;
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PathTextBlock.Margin = new Thickness(CaptionWidth, 0, 0, 0);
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double Pos = PathTextBlock.Width + CaptionWidth;
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if (SelectVisible)
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{
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SelectLink.Visibility = Visibility.Visible;
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SelectLink.Margin = new Thickness(Pos, 0, 0, 0);
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Pos += SelectLink.ActualWidth;
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}
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else
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SelectLink.Visibility = Visibility.Collapsed;
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if (ChangeVisible)
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{
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ChangeLink.Visibility = Visibility.Visible;
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ChangeLink.Margin = new Thickness(Pos + 10, 0, 0, 0);
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Pos += ChangeLink.ActualWidth + 10;
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}
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else
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ChangeLink.Visibility = Visibility.Collapsed;
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if (ClearVisible)
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{
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ClearLink.Visibility = Visibility.Visible;
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ClearLink.Margin = new Thickness(Pos + 10, 0, 0, 0);
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Pos += ClearLink.ActualWidth + 10;
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}
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else
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ClearLink.Visibility = Visibility.Collapsed;
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}
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private void SetText(double MaxWidth)
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{
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string Text = Path;
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if (System.IO.Path.IsPathRooted(Text))
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{
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// It is a valid path
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string filename = "";
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try
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{
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filename = System.IO.Path.GetFileName(Text);
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}
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catch { }
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string directory = "";
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try
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{
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directory = System.IO.Path.GetDirectoryName(Text);
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}
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catch { }
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FormattedText formatted;
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bool widthOK = false;
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bool changedWidth = false;
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do
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{
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formatted = new FormattedText(
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"{0}...\\{1}".FormatWith(directory, filename),
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CultureInfo.CurrentCulture,
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FlowDirection.LeftToRight,
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new Typeface(PathTextBlock.FontFamily, PathTextBlock.FontStyle, PathTextBlock.FontWeight, PathTextBlock.FontStretch),
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FontSize,
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Foreground
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);
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widthOK = formatted.Width < MaxWidth;
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if (!widthOK)
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{
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changedWidth = true;
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if (directory.Length > 0)
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directory = directory.Substring(0, directory.Length - 1);
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if (directory.Length == 0)
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{
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Text = "...\\" + filename;
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break;
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}
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}
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} while (!widthOK);
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if (changedWidth && (directory.Length > 0))
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{
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Text = "{0}...\\{1}".FormatWith(directory, filename);
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}
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}
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PathTextBlock.Text = Text;
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}
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private void LoadedHandler(object sender, RoutedEventArgs e)
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{
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Resize();
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}
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private void SelectLink_Click(object sender, RoutedEventArgs e)
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{
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Select();
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Resize();
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}
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private void ChangeLink_Click(object sender, RoutedEventArgs e)
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{
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Select();
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Resize();
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}
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private void ClearLink_Click(object sender, RoutedEventArgs e)
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{
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Path = null;
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Resize();
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}
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protected virtual void Select() { }
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}
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public class FilePicker : FilePickerBase
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{
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public FilePicker()
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: base()
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{
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if (SelectionText == "")
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SelectionText = "Select file...";
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}
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protected override void Select()
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{
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Nullable<bool> result;
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if (SaveDialog)
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{
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Microsoft.Win32.SaveFileDialog savedlg = new Microsoft.Win32.SaveFileDialog();
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if (Path != null)
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savedlg.FileName = Path;
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else
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savedlg.FileName = DefaultFileName;
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// Show open file dialog box
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result = savedlg.ShowDialog();
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// Process open file dialog box results
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if (result == true)
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{
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// Open document
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Path = savedlg.FileName;
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}
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}
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else
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{
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// Select file
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Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
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if (Path != null)
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dlg.FileName = Path;
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else
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dlg.FileName = DefaultFileName;
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// Show open file dialog box
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result = dlg.ShowDialog();
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// Process open file dialog box results
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if (result == true)
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{
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// Open document
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Path = dlg.FileName;
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}
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}
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}
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public bool SaveDialog
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{
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get
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{
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return (bool)GetValue(SaveDialogProperty);
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}
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set
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{
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SetValue(SaveDialogProperty, value);
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}
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}
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public static readonly DependencyProperty SaveDialogProperty =
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DependencyProperty.Register("SaveDialog", typeof(bool), typeof(FilePicker), new UIPropertyMetadata(false));
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public string DefaultFileName
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{
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get
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{
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return (string)GetValue(DefaultFileNameProperty);
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}
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set
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{
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SetValue(DefaultFileNameProperty, value);
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}
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}
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public static readonly DependencyProperty DefaultFileNameProperty =
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DependencyProperty.Register("DefaultFileName", typeof(string), typeof(FilePicker), new UIPropertyMetadata(""));
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}
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public class FolderPicker : FilePickerBase
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{
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public FolderPicker()
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: base()
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{
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if (SelectionText == "")
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SelectionText = "Select folder...";
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}
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protected override void Select()
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{
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// Select folder
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FolderSelectDialog dlg = new FolderSelectDialog();
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if (Path != null)
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dlg.InitialDirectory = Path;
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if (dlg.ShowDialog())
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Path = dlg.FileName;
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}
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}
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static class Extensions
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{
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public static string FormatWith(this string s, params object[] args)
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{
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return string.Format(s, args);
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}
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}
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}
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