|
public ShowAsync ( |
||
| cancellation | ||
| return | Task | |
public static async Task <string> ShowAsync(string description, string title, string defaultValue = "", string watermark = null, string toolTip = null,
bool multiline = false, bool passwordMode = false, bool required = false, int maxLength = -1, IEnumerable <string> suggestions = null,
CancellationToken cancellation = default(CancellationToken))
{
if (passwordMode && suggestions != null)
{
throw new ArgumentException(@"Can’t have suggestions with password mode");
}
if (passwordMode && multiline)
{
throw new ArgumentException(@"Can’t use multiline input area with password mode");
}
if (suggestions != null && multiline)
{
throw new ArgumentException(@"Can’t use multiline input area with suggestions");
}
var dialog = new Prompt(title, description, defaultValue, watermark, toolTip, multiline, passwordMode, required, maxLength, suggestions);
try {
await dialog.ShowAsync(cancellation);
} catch (TaskCanceledException) {
return(null);
}
var result = dialog.Result;
if (maxLength != -1 && result?.Length > maxLength)
{
result = result.Substring(0, maxLength);
}
return(result);
}
public static async Task <string> Show([Localizable(false)] string url, Regex titleMatch,
string description, string title, string watermark = null, string toolTip = null,
bool multiline = false, bool passwordMode = false, int maxLength = -1, IEnumerable <string> suggestions = null, Window window = null,
CancellationToken cancellation = default(CancellationToken))
{
if (window == null)
{
window = Application.Current?.Windows.OfType <Window>().SingleOrDefault(x => x.IsActive) ?? Application.Current?.MainWindow;
if (window == null)
{
return(null);
}
}
WindowsHelper.ViewInBrowser(url);
string code = null;
var waiting = true;
var ready = false;
EventHandler handler = async(sender, args) => {
if (!waiting)
{
return;
}
waiting = false;
// ReSharper disable once AccessToModifiedClosure
code = await Prompt.ShowAsync(title, description, code, watermark, toolTip, multiline, passwordMode, false, maxLength, suggestions, cancellation);
ready = true;
};
window.Activated += handler;
for (var i = 0; i < 500 && waiting; i++)
{
if (i > 0 && window.IsFocused)
{
handler(null, null);
break;
}
if (code == null)
{
code = GetOpenWindows()
.Select(x => titleMatch.Match(x.Value))
.FirstOrDefault(x => x.Success)?
.Groups.OfType <Group>().ElementAtOrDefault(1)?
.Value.Trim();
}
await Task.Delay(200, cancellation);
if (cancellation.IsCancellationRequested)
{
window.Activated -= handler;
return(null);
}
}
window.Activated -= handler;
for (var i = 0; i < 500 && !waiting && !ready; i++)
{
await Task.Delay(200, cancellation);
if (cancellation.IsCancellationRequested)
{
return(null);
}
}
return(string.IsNullOrWhiteSpace(code) ? null : code.Trim());
}
public static async Task<string> ShowAsync(string description, string title, string defaultValue = "", string watermark = null, string toolTip = null,
bool multiline = false, bool passwordMode = false, bool required = false, int maxLength = -1, IEnumerable<string> suggestions = null,
CancellationToken cancellation = default(CancellationToken)) {
if (passwordMode && suggestions != null) throw new ArgumentException(@"Can’t have suggestions with password mode");
if (passwordMode && multiline) throw new ArgumentException(@"Can’t use multiline input area with password mode");
if (suggestions != null && multiline) throw new ArgumentException(@"Can’t use multiline input area with suggestions");
var dialog = new Prompt(title, description, defaultValue, watermark, toolTip, multiline, passwordMode, required, maxLength, suggestions);
try {
await dialog.ShowAsync(cancellation);
} catch (TaskCanceledException) {
return null;
}
var result = dialog.Result;
if (maxLength != -1 && result?.Length > maxLength) {
result = result.Substring(0, maxLength);
}
return result;
}