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d944b8728c
Committing this sample for posterity's sake. This is the product of an experiment: "can an extension know when it's page was opened / closed?" And without changing the actual SDK, this **is** possible. It relies on the fact that CmdPal (the host) needs to register for the `ItemsChanged` event on list pages, and it does that when the page is loaded, and it unregisters itself when the page is closed. This does require manually implementing `IListPage` - you can't just `override` the `event` in the base class ([that's illegal](https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1070)), and using `new` to shadow it doesn't work either (probably for cswinrt reasons). This is the best I came up with.
98 lines
3.3 KiB
C#
98 lines
3.3 KiB
C#
// Copyright (c) Microsoft Corporation
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// The Microsoft Corporation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using Microsoft.CommandPalette.Extensions;
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using Microsoft.CommandPalette.Extensions.Toolkit;
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namespace SamplePagesExtension;
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public partial class SamplesListPage : ListPage
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{
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private readonly IListItem[] _commands = [
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// List pages
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new ListItem(new SampleListPage())
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{
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Title = "List Page Sample Command",
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Subtitle = "Display a list of items",
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},
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new ListItem(new SampleListPageWithDetails())
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{
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Title = "List Page With Details",
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Subtitle = "A list of items, each with additional details to display",
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},
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new ListItem(new SampleUpdatingItemsPage())
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{
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Title = "List page with items that change",
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Subtitle = "The items on the list update themselves in real time",
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},
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new ListItem(new SampleDynamicListPage())
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{
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Title = "Dynamic List Page Command",
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Subtitle = "Changes the list of items in response to the typed query",
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},
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new ListItem(new OnLoadPage())
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{
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Title = "Demo of OnLoad/OnUnload",
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Subtitle = "Changes the list of items every time the page is opened / closed",
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},
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// Content pages
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new ListItem(new SampleContentPage())
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{
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Title = "Sample content page",
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Subtitle = "Display mixed forms, markdown, and other types of content",
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},
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new ListItem(new SampleTreeContentPage())
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{
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Title = "Sample nested content",
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Subtitle = "Example of nesting a tree of content",
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},
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new ListItem(new SampleCommentsPage())
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{
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Title = "Sample of nested comments",
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Subtitle = "Demo of using nested trees of content to create a comment thread-like experience",
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Icon = new IconInfo("\uE90A"), // Comment
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},
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new ListItem(new SampleMarkdownPage())
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{
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Title = "Markdown Page Sample Command",
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Subtitle = "Display a page of rendered markdown",
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},
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new ListItem(new SampleMarkdownManyBodies())
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{
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Title = "Markdown with multiple blocks",
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Subtitle = "A page with multiple blocks of rendered markdown",
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},
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new ListItem(new SampleMarkdownDetails())
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{
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Title = "Markdown with details",
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Subtitle = "A page with markdown and details",
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},
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// Settings helpers
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new ListItem(new SampleSettingsPage())
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{
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Title = "Sample settings page",
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Subtitle = "A demo of the settings helpers",
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},
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// Evil edge cases
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// Anything weird that might break the palette - put that in here.
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new ListItem(new EvilSamplesPage())
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{
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Title = "Evil samples",
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Subtitle = "Samples designed to break the palette in many different evil ways",
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}
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];
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public SamplesListPage()
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{
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Name = "Samples";
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Icon = new IconInfo("\ue946"); // Info
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}
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public override IListItem[] GetItems() => _commands;
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}
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