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Use file scoped namespace declarations

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This commit is contained in:
Patrik Svensson
2021-12-21 11:06:46 +01:00
committed by Phil Scott
parent 1dbaf50935
commit ec1188b837
607 changed files with 28739 additions and 29245 deletions
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221
src/Spectre.Console/Prompts/List/ListPrompt.cs
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@@ -4,117 +4,116 @@ using System.Threading;
using System.Threading.Tasks;
using Spectre.Console.Rendering;
namespace Spectre.Console
namespace Spectre.Console;
internal sealed class ListPrompt<T>
where T : notnull
{
internal sealed class ListPrompt<T>
where T : notnull
private readonly IAnsiConsole _console;
private readonly IListPromptStrategy<T> _strategy;
public ListPrompt(IAnsiConsole console, IListPromptStrategy<T> strategy)
{
private readonly IAnsiConsole _console;
private readonly IListPromptStrategy<T> _strategy;
public ListPrompt(IAnsiConsole console, IListPromptStrategy<T> strategy)
{
_console = console ?? throw new ArgumentNullException(nameof(console));
_strategy = strategy ?? throw new ArgumentNullException(nameof(strategy));
}
public async Task<ListPromptState<T>> Show(
ListPromptTree<T> tree,
CancellationToken cancellationToken,
int requestedPageSize = 15)
{
if (tree is null)
{
throw new ArgumentNullException(nameof(tree));
}
if (!_console.Profile.Capabilities.Interactive)
{
throw new NotSupportedException(
"Cannot show selection prompt since the current " +
"terminal isn't interactive.");
}
if (!_console.Profile.Capabilities.Ansi)
{
throw new NotSupportedException(
"Cannot show selection prompt since the current " +
"terminal does not support ANSI escape sequences.");
}
var nodes = tree.Traverse().ToList();
var state = new ListPromptState<T>(nodes, _strategy.CalculatePageSize(_console, nodes.Count, requestedPageSize));
var hook = new ListPromptRenderHook<T>(_console, () => BuildRenderable(state));
using (new RenderHookScope(_console, hook))
{
_console.Cursor.Hide();
hook.Refresh();
while (true)
{
var rawKey = await _console.Input.ReadKeyAsync(true, cancellationToken).ConfigureAwait(false);
if (rawKey == null)
{
continue;
}
var key = rawKey.Value;
var result = _strategy.HandleInput(key, state);
if (result == ListPromptInputResult.Submit)
{
break;
}
if (state.Update(key.Key) || result == ListPromptInputResult.Refresh)
{
hook.Refresh();
}
}
}
hook.Clear();
_console.Cursor.Show();
return state;
}
private IRenderable BuildRenderable(ListPromptState<T> state)
{
var pageSize = state.PageSize;
var middleOfList = pageSize / 2;
var skip = 0;
var take = state.ItemCount;
var cursorIndex = state.Index;
var scrollable = state.ItemCount > pageSize;
if (scrollable)
{
skip = Math.Max(0, state.Index - middleOfList);
take = Math.Min(pageSize, state.ItemCount - skip);
if (state.ItemCount - state.Index < middleOfList)
{
// Pointer should be below the end of the list
var diff = middleOfList - (state.ItemCount - state.Index);
skip -= diff;
take += diff;
cursorIndex = middleOfList + diff;
}
else
{
// Take skip into account
cursorIndex -= skip;
}
}
// Build the renderable
return _strategy.Render(
_console,
scrollable, cursorIndex,
state.Items.Skip(skip).Take(take)
.Select((node, index) => (index, node)));
}
_console = console ?? throw new ArgumentNullException(nameof(console));
_strategy = strategy ?? throw new ArgumentNullException(nameof(strategy));
}
}
public async Task<ListPromptState<T>> Show(
ListPromptTree<T> tree,
CancellationToken cancellationToken,
int requestedPageSize = 15)
{
if (tree is null)
{
throw new ArgumentNullException(nameof(tree));
}
if (!_console.Profile.Capabilities.Interactive)
{
throw new NotSupportedException(
"Cannot show selection prompt since the current " +
"terminal isn't interactive.");
}
if (!_console.Profile.Capabilities.Ansi)
{
throw new NotSupportedException(
"Cannot show selection prompt since the current " +
"terminal does not support ANSI escape sequences.");
}
var nodes = tree.Traverse().ToList();
var state = new ListPromptState<T>(nodes, _strategy.CalculatePageSize(_console, nodes.Count, requestedPageSize));
var hook = new ListPromptRenderHook<T>(_console, () => BuildRenderable(state));
using (new RenderHookScope(_console, hook))
{
_console.Cursor.Hide();
hook.Refresh();
while (true)
{
var rawKey = await _console.Input.ReadKeyAsync(true, cancellationToken).ConfigureAwait(false);
if (rawKey == null)
{
continue;
}
var key = rawKey.Value;
var result = _strategy.HandleInput(key, state);
if (result == ListPromptInputResult.Submit)
{
break;
}
if (state.Update(key.Key) || result == ListPromptInputResult.Refresh)
{
hook.Refresh();
}
}
}
hook.Clear();
_console.Cursor.Show();
return state;
}
private IRenderable BuildRenderable(ListPromptState<T> state)
{
var pageSize = state.PageSize;
var middleOfList = pageSize / 2;
var skip = 0;
var take = state.ItemCount;
var cursorIndex = state.Index;
var scrollable = state.ItemCount > pageSize;
if (scrollable)
{
skip = Math.Max(0, state.Index - middleOfList);
take = Math.Min(pageSize, state.ItemCount - skip);
if (state.ItemCount - state.Index < middleOfList)
{
// Pointer should be below the end of the list
var diff = middleOfList - (state.ItemCount - state.Index);
skip -= diff;
take += diff;
cursorIndex = middleOfList + diff;
}
else
{
// Take skip into account
cursorIndex -= skip;
}
}
// Build the renderable
return _strategy.Render(
_console,
scrollable, cursorIndex,
state.Items.Skip(skip).Take(take)
.Select((node, index) => (index, node)));
}
}