Max Katz
4 years ago
18 changed files with 576 additions and 270 deletions
@ -1,29 +1,57 @@ |
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<UserControl xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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x:Class="ControlCatalog.Pages.DialogsPage"> |
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<StackPanel Orientation="Vertical" Spacing="4" Margin="4"> |
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<CheckBox Name="UseFilters">Use filters</CheckBox> |
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<Button Name="OpenFile">_Open File</Button> |
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<Button Name="OpenMultipleFiles">Open _Multiple File</Button> |
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<Button Name="SaveFile">_Save File</Button> |
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<Button Name="SelectFolder">Select Fo_lder</Button> |
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<Button Name="OpenBoth">Select _Both</Button> |
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<UserControl x:Class="ControlCatalog.Pages.DialogsPage" |
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xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> |
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<StackPanel Margin="4" |
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Orientation="Vertical" |
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Spacing="4"> |
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|
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<TextBlock x:Name="PickerLastResultsVisible" |
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Classes="h2" |
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IsVisible="False" |
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Text="Last picker results:" /> |
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<ItemsPresenter x:Name="PickerLastResults" /> |
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<TextBlock Text="Windows:" /> |
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|
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<TextBlock Margin="0, 8, 0, 0" |
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Classes="h1" |
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Text="Window dialogs" /> |
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<Button Name="DecoratedWindow">Decorated _window</Button> |
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<Button Name="DecoratedWindowDialog">Decorated w_indow (dialog)</Button> |
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<Button Name="Dialog" ToolTip.Tip="Shows a dialog">_Dialog</Button> |
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<Button Name="DialogNoTaskbar">Dialog (_No taskbar icon)</Button> |
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<Button Name="OwnedWindow">Own_ed window</Button> |
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<Button Name="OwnedWindowNoTaskbar">Owned window (No tas_kbar icon)</Button> |
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<Expander Header="Window dialogs"> |
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<StackPanel Spacing="4"> |
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<Button Name="DecoratedWindow">Decorated _window</Button> |
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<Button Name="DecoratedWindowDialog">Decorated w_indow (dialog)</Button> |
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<Button Name="Dialog" ToolTip.Tip="Shows a dialog">_Dialog</Button> |
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<Button Name="DialogNoTaskbar">Dialog (_No taskbar icon)</Button> |
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<Button Name="OwnedWindow">Own_ed window</Button> |
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<Button Name="OwnedWindowNoTaskbar">Owned window (No tas_kbar icon)</Button> |
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</StackPanel> |
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</Expander> |
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|
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<TextBlock Margin="0,20,0,0" Text="Pickers:" /> |
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|
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<CheckBox Name="UseFilters">Use filters</CheckBox> |
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<Expander Header="FilePicker API"> |
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<StackPanel Spacing="4"> |
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<CheckBox Name="ForceManaged">Force managed dialog</CheckBox> |
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<CheckBox Name="OpenMultiple">Open multiple</CheckBox> |
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<Button Name="OpenFolderPicker">Select Fo_lder</Button> |
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<Button Name="OpenFilePicker">_Open File</Button> |
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<Button Name="SaveFilePicker">_Save File</Button> |
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<Button Name="OpenFileFromBookmark">Open File Bookmark</Button> |
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<Button Name="OpenFolderFromBookmark">Open Folder Bookmark</Button> |
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</StackPanel> |
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</Expander> |
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<Expander Header="Legacy OpenFileDialog"> |
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<StackPanel Spacing="4"> |
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<Button Name="OpenFile">_Open File</Button> |
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<Button Name="OpenMultipleFiles">Open _Multiple File</Button> |
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<Button Name="SaveFile">_Save File</Button> |
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<Button Name="SelectFolder">Select Fo_lder</Button> |
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<Button Name="OpenBoth">Select _Both</Button> |
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</StackPanel> |
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</Expander> |
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|
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<TextBlock x:Name="PickerLastResultsVisible" |
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Classes="h2" |
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IsVisible="False" |
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Text="Last picker results:" /> |
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<ItemsPresenter x:Name="PickerLastResults" /> |
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|
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<TextBox Name="BookmarkContainer" Watermark="Bookmark" /> |
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<TextBox Name="OpenedFileContent" |
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MaxLines="10" |
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Watermark="Picked file content" /> |
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|
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</StackPanel> |
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</UserControl> |
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|
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@ -0,0 +1,147 @@ |
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#nullable enable |
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using System.Linq; |
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using System.Threading.Tasks; |
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using Avalonia.Controls; |
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using Avalonia.Platform.Storage; |
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using Avalonia.Platform.Storage.FileIO; |
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|
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namespace Avalonia.Dialogs; |
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|
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public class ManagedStorageProvider<T> : BclStorageProvider where T : Window, new() |
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{ |
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private readonly Window _parent; |
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private readonly ManagedFileDialogOptions _managedOptions; |
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public ManagedStorageProvider(Window parent, ManagedFileDialogOptions? managedOptions) |
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{ |
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_parent = parent; |
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_managedOptions = managedOptions ?? new ManagedFileDialogOptions(); |
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} |
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public override bool CanSave => true; |
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public override bool CanOpen => true; |
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public override bool CanPickFolder => true; |
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public override async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
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{ |
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var model = new ManagedFileChooserViewModel(options, _managedOptions); |
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var results = await Show(model, _parent); |
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return results.Select(f => new BclStorageFile(new FileInfo(f))).ToArray(); |
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} |
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public override async Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
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{ |
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var model = new ManagedFileChooserViewModel(options, _managedOptions); |
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var results = await Show(model, _parent); |
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return results.FirstOrDefault() is { } result |
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? new BclStorageFile(new FileInfo(result)) |
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: null; |
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} |
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|
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public override async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
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{ |
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var model = new ManagedFileChooserViewModel(options, _managedOptions); |
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var results = await Show(model, _parent); |
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return results.Select(f => new BclStorageFolder(new DirectoryInfo(f))).ToArray(); |
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} |
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private async Task<string[]> Show(ManagedFileChooserViewModel model, Window parent) |
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{ |
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var dialog = new T |
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{ |
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Content = new ManagedFileChooser(), |
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Title = model.Title, |
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DataContext = model |
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}; |
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dialog.Closed += delegate { model.Cancel(); }; |
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string[]? result = null; |
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model.CompleteRequested += items => |
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{ |
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result = items; |
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dialog.Close(); |
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}; |
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model.OverwritePrompt += async (filename) => |
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{ |
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var overwritePromptDialog = new Window() |
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{ |
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Title = "Confirm Save As", |
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SizeToContent = SizeToContent.WidthAndHeight, |
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WindowStartupLocation = WindowStartupLocation.CenterOwner, |
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Padding = new Thickness(10), |
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MinWidth = 270 |
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}; |
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string name = Path.GetFileName(filename); |
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var panel = new DockPanel() |
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{ |
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HorizontalAlignment = Layout.HorizontalAlignment.Stretch |
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}; |
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|
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var label = new Label() |
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{ |
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Content = $"{name} already exists.\nDo you want to replace it?" |
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}; |
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panel.Children.Add(label); |
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DockPanel.SetDock(label, Dock.Top); |
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var buttonPanel = new StackPanel() |
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{ |
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HorizontalAlignment = Layout.HorizontalAlignment.Right, |
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Orientation = Layout.Orientation.Horizontal, |
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Spacing = 10 |
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}; |
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|
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var button = new Button() |
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{ |
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Content = "Yes", |
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HorizontalAlignment = Layout.HorizontalAlignment.Right |
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}; |
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button.Click += (sender, args) => |
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{ |
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result = new string[1] { filename }; |
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overwritePromptDialog.Close(); |
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dialog.Close(); |
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}; |
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buttonPanel.Children.Add(button); |
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button = new Button() |
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{ |
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Content = "No", |
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HorizontalAlignment = Layout.HorizontalAlignment.Right |
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}; |
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button.Click += (sender, args) => |
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{ |
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overwritePromptDialog.Close(); |
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}; |
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buttonPanel.Children.Add(button); |
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panel.Children.Add(buttonPanel); |
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DockPanel.SetDock(buttonPanel, Dock.Bottom); |
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overwritePromptDialog.Content = panel; |
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await overwritePromptDialog.ShowDialog(dialog); |
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}; |
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model.CancelRequested += dialog.Close; |
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await dialog.ShowDialog<object>(parent); |
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return result ?? Array.Empty<string>(); |
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} |
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} |
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