public virtual void LayoutTokensAnimated(bool animated)
{
Wrap.Method("LayoutTokensAnimated", delegate()
{
float newHeight = this.LayoutTokensInternal();
if (this.Bounds.Size.Height != newHeight)
{
// Animating this seems to invoke the triple-tap-delete-key-loop-problem-thing™
UIView.Animate(
(animated ? 0.3 : 0),
delegate() // animation
{
Wrap.Method("LayoutTokensAnimated.Animate", delegate()
{
this.Frame = new RectangleF(this.Frame.X, this.Frame.Y, this.Bounds.Size.Width, newHeight);
this.SendActionForControlEvents((UIControlEvent)ControlEvents.FrameWillChange);
});
},
delegate() // completion
{
Wrap.Method("LayoutTokensAnimated.Completion", delegate()
{
this.SendActionForControlEvents((UIControlEvent)ControlEvents.FrameDidChange);
this.BoundsDidChange.Raise(this, EventArgs.Empty);
});
}
);
}
});
}
protected virtual void tokenField_TextDidChange(object sender, EventArgs args)
{
Wrap.Method("tokenField_TextDidChange", delegate()
{
string text = this.TokenField.Text;
if (!string.IsNullOrEmpty(text))
{
text = text.Replace(TITokenField.kTextEmpty, "").Replace(TITokenField.kTextHidden, "");
}
;
Task.Run(delegate()
{
this.ResultsForSearchString(text)
.ContinueWith(delegate(Task arg)
{
this.BeginInvokeOnMainThread(delegate()
{
Wrap.Method("Search_Callback", delegate()
{
if (this.ForcePickSearchResult)
{
this.SetSearchResultsVisible(true);
}
else
{
this.SetSearchResultsVisible(this.ResultsArray.Count > 0);
}
});
});
});
});
});
}
protected virtual void SetSearchResultsVisible(bool visible)
{
Wrap.Method("SetSearchResultsVisible", delegate()
{
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad)
{
if (visible)
{
this.PresentPopoverAtTokenFieldCaretAnimated(true);
}
else
{
if (_popoverController != null)
{
_popoverController.Dismiss(true);
}
}
}
else
{
this.ResultsTable.Hidden = !visible;
this.TokenField.SetResultsModeEnabled(visible);
}
});
}
protected virtual void tokenField_DidBeginEditing(object sender, EventArgs args)
{
Wrap.Method("tokenField_DidBeginEditing", delegate()
{
this.ResultsArray.Clear();
this.ResultsTable.ReloadData();
});
}
protected virtual void tokenField_FrameWillChange(object sender, EventArgs args)
{
Wrap.Method("tokenField_FrameWillChange", delegate()
{
float tokenFieldBottom = this.TokenField.Frame.Bottom;
this.Separator.Frame = new RectangleF(new PointF(this.Separator.Frame.X, tokenFieldBottom), this.Separator.Bounds.Size);
this.ResultsTable.Frame = new RectangleF(new PointF(this.ResultsTable.Frame.X, (tokenFieldBottom + 1)), this.ResultsTable.Bounds.Size);
this.ContentView.Frame = new RectangleF(new PointF(this.ContentView.Frame.X, (tokenFieldBottom + 1)), this.ContentView.Bounds.Size);
});
}
protected virtual void Self_DidBeginEditing(object sender, EventArgs e)
{
Wrap.Method("Self_DidBeginEditing", delegate()
{
TIToken[] tokens = this.Tokens.ToArray();
foreach (var item in tokens)
{
this.AddToken(item);
}
});
}
protected virtual void PresentPopoverAtTokenFieldCaretAnimated(bool animated)
{
Wrap.Method("PresentPopoverAtTokenFieldCaretAnimated", delegate()
{
UITextPosition position = this.TokenField.GetPosition(this.TokenField.BeginningOfDocument, 2);
if (_popoverController != null)
{
_popoverController.PresentFromRect(this.TokenField.GetCaretRectForPosition(position), this.TokenField, UIPopoverArrowDirection.Up, animated);
}
});
}
public virtual void RemoveAllTokens()
{
Wrap.Method("RemoveAllTokens", delegate()
{
TIToken[] tokens = this.Tokens.ToArray();
foreach (var item in tokens)
{
this.RemoveToken(item);
}
});
}
public virtual void AddToken(TIToken token)
{
Wrap.Method("AddToken.Object", delegate()
{
lock (_tokenSyncRoot)
{
bool shouldAdd = true;
if (this.Delegate != null)
{
shouldAdd = this.Delegate.WillAddToken(this, token);
}
if (shouldAdd)
{
shouldAdd = this.WillAddToken.Raise(this, token);
}
if (shouldAdd)
{
token.TintColor = this.TokenTintColor;
token.MaxWidth = this.MaxTokenWidth;
this.BecomeFirstResponder();
token.TouchDown -= Token_TouchDown; //safety
token.TouchUpInside -= Token_TouchUpInside; //safety
token.TouchDown += Token_TouchDown;
token.TouchUpInside += Token_TouchUpInside;
this.AddSubview(token);
if (!this.Tokens.Contains(token))
{
this.Tokens.Add(token);
if (this.Delegate != null)
{
this.Delegate.DidAddToken(this, token);
}
this.DidAddToken.Raise(this, token);
if (_placeHolderLabel != null)
{
_placeHolderLabel.Hidden = true;
}
}
this.SetResultsModeEnabled(false);
this.DeselectSelectedToken();
}
}
});
}
public virtual void SelectToken(TIToken token)
{
Wrap.Method("SelectToken", delegate()
{
this.DeselectSelectedToken();
this.SelectedToken = token;
this.SelectedToken.Selected = true;
this.BecomeFirstResponder();
this.Text = kTextHidden;
});
}
public virtual void DeselectSelectedToken()
{
Wrap.Method("DeselectSelectedToken", delegate()
{
if (this.SelectedToken != null)
{
this.SelectedToken.Selected = false;
}
this.SelectedToken = null;
this.Text = kTextEmpty;
});
}
public override void LayoutSubviews()
{
Wrap.Method("LayoutSubviews", delegate()
{
base.LayoutSubviews();
float relativeFieldHeight = this.TokenField.Frame.Bottom - this.ContentOffset.Y;
float newHeight = this.Bounds.Size.Height - relativeFieldHeight;
if (newHeight > -1)
{
this.ResultsTable.Frame = new RectangleF(this.ResultsTable.Frame.Location, new SizeF(this.ResultsTable.Bounds.Size.Width, newHeight));
}
});
}
protected virtual void Token_TouchUpInside(object sender, EventArgs e)
{
Wrap.Method("Token_TouchUpInside", delegate()
{
TIToken token = sender as TIToken;
if (token != null)
{
if (this.Editable)
{
this.SelectToken(token);
}
}
});
}
protected virtual void Token_TouchDown(object sender, EventArgs e)
{
Wrap.Method("Token_TouchDown", delegate()
{
TIToken token = sender as TIToken;
if (token != null)
{
if (this.SelectedToken != null && this.SelectedToken != token)
{
this.SelectedToken.Selected = false;
this.SelectedToken = null;
}
}
});
}
public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
{
Wrap.Method("RowSelected", delegate()
{
object representedObject = this.Owner.ResultsArray[indexPath.Row];
TIToken token = new TIToken()
{
Title = this.Owner.TokenField.Delegate.DisplayStringForRepresentedObject(this.Owner.TokenField, representedObject),
RepresentedObject = representedObject
};
this.Owner.TokenField.AddToken(token);
tableView.DeselectRow(indexPath, true);
this.Owner.SetSearchResultsVisible(false);
});
}
protected virtual void Self_EditingDidEnd(object sender, EventArgs e)
{
Wrap.Method("Self_EditingDidEnd", delegate()
{
if (this.SelectedToken != null)
{
this.SelectedToken.Selected = false;
}
this.SelectedToken = null;
this.TokenizeText();
if (this.RemovesTokensOnEndEditing)
{
TIToken[] tokens = this.Tokens.ToArray();
foreach (var item in tokens)
{
item.RemoveFromSuperview();
}
string untokenized = kTextEmpty;
if (this.Tokens.Count > 0)
{
List <string> titles = this.GetTokenTitles();
untokenized = string.Join(", ", titles);
NSString nsString = new NSString(untokenized);
SizeF untokSize = nsString.StringSize(UIFont.SystemFontOfSize(this.FontSize));
float availableWidth = this.Bounds.Size.Width - this.LeftViewWidth - this.RightViewWidth;
if (this.Tokens.Count > 1 && untokSize.Width > availableWidth)
{
untokenized = string.Format("{0} recipients", titles.Count);
}
}
this.Text = untokenized;
}
this.SetResultsModeEnabled(false);
if (this.Tokens.Count < 1 && this.ForcePickSearchResult)
{
this.BecomeFirstResponder();
}
});
}
public override void SizeToFit()
{
Wrap.Method("SizeToFit", delegate()
{
float accessoryWidth = 0;
if (this.AccessoryType == AccessoryType.DisclosureIndicator)
{
this.CreateDisclosureIndicatorPath(PointF.Empty, this.Font.PointSize, kDisclosureThickness, out accessoryWidth);
accessoryWidth += (float)Math.Floor((double)hTextPadding / 2);
}
SizeF titleSize = new NSString(this.Title).StringSize(this.Font, (this.MaxWidth - hTextPadding - accessoryWidth), kLineBreakMode);
float height = (float)Math.Floor((double)(titleSize.Height + vTextPadding));
float width = Math.Max((float)Math.Floor((double)(titleSize.Width + hTextPadding + accessoryWidth)), height - 3);
this.Frame = new RectangleF(this.Frame.X, this.Frame.Y, width, height);
this.SetNeedsDisplay();
});
}
public virtual void RemoveToken(TIToken token)
{
Wrap.Method("RemoveToken", delegate()
{
if (token == null)
{
return;
}
lock (_tokenSyncRoot)
{
if (token == this.SelectedToken)
{
this.DeselectSelectedToken();
}
bool shouldRemove = true;
if (this.Delegate != null)
{
shouldRemove = this.Delegate.WillRemoveToken(this, token);
}
if (this.Delegate != null)
{
shouldRemove = this.WillRemoveToken.Raise(this, token);
}
if (shouldRemove)
{
token.RemoveFromSuperview();
this.Tokens.Remove(token);
token.TouchDown -= Token_TouchDown;
token.TouchUpInside -= Token_TouchUpInside;
if (this.Delegate != null)
{
this.Delegate.DidRemoveToken(this, token);
}
this.DidRemoveToken.Raise(this, token);
this.SetResultsModeEnabled(this.ForcePickSearchResult);
}
}
});
}
protected virtual void Self_EditingChanged(object sender, EventArgs e)
{
Wrap.Method("Self_EditingChanged", delegate()
{
if (string.IsNullOrEmpty(this.Text))
{
this.Text = kTextEmpty;
if (_placeHolderLabel != null)
{
_placeHolderLabel.Hidden = false;
}
}
else
{
if (_placeHolderLabel != null)
{
_placeHolderLabel.Hidden = true;
}
}
});
}
public virtual void SetResultsModeEnabled(bool enabled, bool animated = true)
{
Wrap.Method("SetResultsModeEnabled", delegate()
{
this.LayoutTokensAnimated(animated);
if (_resultsModeEnabled != enabled)
{
//Hide / show the shadow
this.Layer.MasksToBounds = !enabled;
UIScrollView scrollView = this.GetScrollView();
scrollView.ScrollsToTop = !enabled;
scrollView.ScrollEnabled = !enabled;
float offset = ((this.NumberOfLines == 1 || !enabled) ? 0 : _tokenCaret.Y - (float)Math.Floor(this.Font.LineHeight * 4 / 7) + 1);
scrollView.SetContentOffset(new PointF(0, this.Frame.Y + offset), animated);
}
_resultsModeEnabled = enabled;
});
}
public virtual void TokenizeText()
{
Wrap.Method("TokenizeText", delegate()
{
bool textChanged = false;
if ((this.Text != kTextEmpty) && (this.Text != kTextHidden) && !this.ForcePickSearchResult)
{
string trimmed = this.Text.Replace(kTextEmpty, string.Empty).Replace(kTextHidden, string.Empty);
string[] tokens = trimmed.Split(this.TokenizingCharacters);
foreach (var item in tokens)
{
this.AddToken(item.Trim());
textChanged = true;
}
}
if (textChanged)
{
this.SendActionForControlEvents(UIControlEvent.EditingChanged);
}
});
}
public override void Draw(RectangleF rect)
{
Wrap.Method("Draw", delegate()
{
CGContext context = UIGraphics.GetCurrentContext();
// Draw the outline.
context.SaveState();
CGPath outlinePath = this.CreateTokenPath(this.Bounds.Size, false);
context.AddPath(outlinePath);
bool drawHighlighted = (this.Selected || this.Highlighted);
CGColorSpace colorspace = CGColorSpace.CreateDeviceRGB();
PointF endPoint = new PointF(0, this.Bounds.Size.Height);
float red = 1;
float green = 1;
float blue = 1;
float alpha = 1;
this.GetTintColorRed(ref red, ref green, ref blue, ref alpha);
if (drawHighlighted)
{
context.SetFillColor(new float[] { red, green, blue, 1 });
context.FillPath();
}
else
{
context.Clip();
float[] location = new float[] { 0f, 0.95f };
float[] components = new float[] { red + 0.2f, green + 0.2f, blue + 0.2f, alpha, red, green, blue, 0.8f };
CGGradient gradients = new CGGradient(colorspace, components, location);
context.DrawLinearGradient(gradients, PointF.Empty, endPoint, 0);
}
context.RestoreState();
CGPath innerPath = CreateTokenPath(this.Bounds.Size, true);
// Draw a white background so we can use alpha to lighten the inner gradient
context.SaveState();
context.AddPath(innerPath);
context.SetFillColor(new float[] { 1f, 1f, 1f, 1f });
context.FillPath();
context.RestoreState();
// Draw the inner gradient.
context.SaveState();
context.AddPath(innerPath);
context.Clip();
float[] locations = new float[] { 0f, (drawHighlighted ? 0.9f : 0.6f) };
float[] highlightedComp = new float[] { red, green, blue, 0.7f, red, green, blue, 1f };
float[] nonHighlightedComp = new float[] { red, green, blue, 0.15f, red, green, blue, 0.3f };
CGGradient gradient = new CGGradient(colorspace, (drawHighlighted ? highlightedComp : nonHighlightedComp), locations);
context.DrawLinearGradient(gradient, Point.Empty, endPoint, 0);
context.RestoreState();
float accessoryWidth = 0;
float ignore = 0;
if (_accessoryType == AccessoryType.DisclosureIndicator)
{
PointF arrowPoint = new PointF(this.Bounds.Size.Width - (float)Math.Floor(hTextPadding / 2), (this.Bounds.Size.Height / 2) - 1);
CGPath disclosurePath = this.CreateDisclosureIndicatorPath(arrowPoint, _font.PointSize, kDisclosureThickness, out accessoryWidth);
accessoryWidth += (float)Math.Floor(hTextPadding / 2);
context.AddPath(disclosurePath);
context.SetFillColor(new float[] { 1, 1, 1, 1 });
if (drawHighlighted)
{
context.FillPath();
}
else
{
context.SaveState();
context.SetShadowWithColor(new SizeF(0, 1), 1, UIColor.White.ColorWithAlpha(0.6f).CGColor);
context.FillPath();
context.RestoreState();
context.SaveState();
context.AddPath(disclosurePath);
context.Clip();
CGGradient disclosureGradient = new CGGradient(colorspace, highlightedComp, null);
context.DrawLinearGradient(disclosureGradient, PointF.Empty, endPoint, 0);
arrowPoint.Y += 0.5f;
CGPath innerShadowPath = this.CreateDisclosureIndicatorPath(arrowPoint, _font.PointSize, kDisclosureThickness, out ignore);
context.AddPath(innerShadowPath);
context.SetStrokeColor(new float[] { 0f, 0f, 0f, 0.3f });
context.StrokePath();
context.RestoreState();
}
}
NSString title = new NSString(this.Title);
SizeF titleSize = title.StringSize(this.Font, (_maxWidth - hTextPadding - accessoryWidth), kLineBreakMode);
float vPadding = (float)Math.Floor((this.Bounds.Size.Height - titleSize.Height) / 2f);
float titleWidth = (float)Math.Ceiling(this.Bounds.Size.Width - hTextPadding - accessoryWidth);
RectangleF textBounds = new RectangleF((float)Math.Floor(hTextPadding / 2), vPadding - 1, titleWidth, (float)Math.Floor(this.Bounds.Size.Height - (vPadding * 2)));
context.SetFillColorWithColor((drawHighlighted ? this.HighlightedTextColor : this.TextColor).CGColor);
title.DrawString(textBounds, this.Font, kLineBreakMode);
});
}
protected Task ResultsForSearchString(string searchString)
{
return(Wrap.MethodAsync("ResultsForSearchString", async delegate()
{
this.InvokeOnMainThread(delegate()
{
this.ResultsArray.Clear();
this.ResultsTable.ReloadData();
});
if (string.IsNullOrWhiteSpace(searchString))
{
searchString = string.Empty;
}
searchString = searchString.Trim().ToLower();
if (SearchMethodAsync != null)
{
List <object> results = await SearchMethodAsync(searchString);
this.InvokeOnMainThread(delegate()
{
lock (_searchResultRoot)
{
// ensure same search is still pending
string currentText = this.TokenField.Text;
if (!string.IsNullOrEmpty(currentText))
{
currentText = currentText.Replace(TITokenField.kTextEmpty, "").Replace(TITokenField.kTextHidden, "");
}
;
if (currentText == searchString)
{
this.ResultsArray.Clear();
foreach (object item in results)
{
this.ResultsArray.Add(item);
}
if (this.ResultsArray.Count > 0)
{
this.ResultsTable.ReloadData();
}
}
}
});
}
else
{
this.InvokeOnMainThread(delegate()
{
Wrap.Method("ResultsForSearchString", delegate()
{
if (!string.IsNullOrEmpty(searchString) || ForcePickSearchResult)
{
foreach (var sourceObject in this.SourceArray)
{
string title = this._tokenDelegateShim.SearchResultStringForRepresentedObject(this.TokenField, sourceObject);
string subTitle = this._tokenDelegateShim.SearchResultSubtitleForRepresentedObject(this.TokenField, sourceObject);
if (!SearchSubtitles || string.IsNullOrEmpty(subTitle))
{
subTitle = string.Empty;
}
if ((this.ForcePickSearchResult && string.IsNullOrEmpty(searchString)) ||
title.IndexOf(searchString, StringComparison.OrdinalIgnoreCase) > -1 ||
subTitle.IndexOf(searchString, StringComparison.OrdinalIgnoreCase) > -1)
{
bool shouldAdd = !this.ResultsArray.Contains(sourceObject);
if (shouldAdd && !ShowAlreadyTokenized)
{
foreach (var token in this.TokenField.Tokens)
{
if (token.RepresentedObject == sourceObject)
{
shouldAdd = false;
break;
}
}
}
if (shouldAdd)
{
this.ResultsArray.Add(sourceObject);
}
}
}
}
if (this.ResultsArray.Count > 0)
{
this.ResultsArray.Sort(delegate(object l, object r)
{
string left = this._tokenDelegateShim.SearchResultStringForRepresentedObject(this.TokenField, l);
string right = this._tokenDelegateShim.SearchResultStringForRepresentedObject(this.TokenField, r);
return left.CompareTo(right);
});
}
if (this.ResultsArray.Count > 0)
{
this.ResultsTable.ReloadData();
}
});
});
}
}));
}
