public static nfloat GetOptimalWidth(MacObjectValueTreeView treeView, ObjectValueNode node, bool hideValueButton)
{
nfloat optimalWidth = MarginSize;
string evaluateStatusIcon = null;
string valueButtonText = null;
var showViewerButton = false;
Color? previewColor = null;
bool showSpinner = false;
string strval;
if (node.IsUnknown)
{
if (treeView.DebuggerService.Frame != null)
{
strval = GettextCatalog.GetString("The name '{0}' does not exist in the current context.", node.Name);
}
else
{
strval = string.Empty;
}
evaluateStatusIcon = Ide.Gui.Stock.Warning;
}
else if (node.IsError || node.IsNotSupported)
{
evaluateStatusIcon = Ide.Gui.Stock.Warning;
strval = node.Value ?? string.Empty;
int i = strval.IndexOf('\n');
if (i != -1)
{
strval = strval.Substring(0, i);
}
}
else if (node.IsImplicitNotSupported)
{
strval = string.Empty; //val.Value; with new "Show Value" button we don't want to display message "Implicit evaluation is disabled"
if (node.CanRefresh)
{
valueButtonText = GettextCatalog.GetString("Show Value");
}
}
else if (node.IsEvaluating)
{
strval = GettextCatalog.GetString("Evaluating\u2026");
showSpinner = true;
}
else if (node.IsEnumerable)
{
if (node is ShowMoreValuesObjectValueNode)
{
valueButtonText = GettextCatalog.GetString("Show More");
}
else
{
valueButtonText = GettextCatalog.GetString("Show Values");
}
strval = string.Empty;
}
else if (node is AddNewExpressionObjectValueNode)
{
strval = string.Empty;
}
else
{
strval = treeView.Controller.GetDisplayValueWithVisualisers(node, out showViewerButton);
var val = node.GetDebuggerObjectValue();
if (val != null && !val.IsNull && DebuggingService.HasGetConverter <Color> (val))
{
try {
previewColor = DebuggingService.GetGetConverter <Color> (val).GetValue(val);
} catch {
previewColor = null;
}
}
}
strval = strval.Replace("\r\n", " ").Replace("\n", " ");
// First item: Status Icon -or- Spinner
if (evaluateStatusIcon != null)
{
optimalWidth += ImageSize;
optimalWidth += RowCellSpacing;
}
if (showSpinner)
{
optimalWidth += ImageSize;
optimalWidth += RowCellSpacing;
}
// Second Item: Color Preview
if (previewColor.HasValue)
{
optimalWidth += ImageSize;
optimalWidth += RowCellSpacing;
}
// Third Item: Value Button
if (valueButtonText != null && !hideValueButton)
{
optimalWidth += GetWidthForString(treeView.CustomFont, valueButtonText, -3);
optimalWidth += RowCellSpacing;
}
// Fourth Item: Viewer Button
if (showViewerButton)
{
optimalWidth += treeView.CompactView ? CompactImageSize : ImageSize;
optimalWidth += RowCellSpacing;
}
// Fifth Item: Text Value
optimalWidth += GetWidthForString(treeView.CustomFont, strval);
optimalWidth += MarginSize;
return(optimalWidth);
}
protected override void UpdateContents()
{
if (Node == null)
{
return;
}
foreach (var constraint in constraints)
{
constraint.Active = false;
constraint.Dispose();
}
constraints.Clear();
bool selected = Superview is NSTableRowView rowView && rowView.Selected;
var wrapper = (MacObjectValueNode)ObjectValue;
var editable = TreeView.GetCanEditNode(Node);
var textColor = NSColor.ControlText;
string evaluateStatusIcon = null;
string valueButtonText = null;
var showViewerButton = false;
Color? previewColor = null;
bool showSpinner = false;
string strval;
if (Node.IsUnknown)
{
if (TreeView.DebuggerService.Frame != null)
{
strval = GettextCatalog.GetString("The name '{0}' does not exist in the current context.", Node.Name);
}
else
{
strval = string.Empty;
}
evaluateStatusIcon = Ide.Gui.Stock.Warning;
}
else if (Node.IsError || Node.IsNotSupported)
{
evaluateStatusIcon = Ide.Gui.Stock.Warning;
strval = Node.Value ?? string.Empty;
int i = strval.IndexOf('\n');
if (i != -1)
{
strval = strval.Substring(0, i);
}
if (!selected)
{
textColor = NSColor.FromCGColor(GetCGColor(Styles.ObjectValueTreeValueErrorText));
}
}
else if (Node.IsImplicitNotSupported)
{
strval = string.Empty;
if (!selected)
{
textColor = NSColor.FromCGColor(GetCGColor(Styles.ObjectValueTreeValueDisabledText));
}
if (Node.CanRefresh)
{
valueButtonText = GettextCatalog.GetString("Show Value");
}
}
else if (Node.IsEvaluating)
{
strval = GettextCatalog.GetString("Evaluating\u2026");
showSpinner = true;
if (!selected)
{
textColor = NSColor.FromCGColor(GetCGColor(Styles.ObjectValueTreeValueDisabledText));
}
}
else if (Node.IsEnumerable)
{
if (Node is ShowMoreValuesObjectValueNode)
{
valueButtonText = GettextCatalog.GetString("Show More");
}
else
{
valueButtonText = GettextCatalog.GetString("Show Values");
}
strval = string.Empty;
}
else if (Node is AddNewExpressionObjectValueNode)
{
strval = string.Empty;
editable = false;
}
else
{
strval = TreeView.Controller.GetDisplayValueWithVisualisers(Node, out showViewerButton);
if (!selected && TreeView.Controller.GetNodeHasChangedSinceLastCheckpoint(Node))
{
textColor = NSColor.FromCGColor(GetCGColor(Styles.ObjectValueTreeValueModifiedText));
}
var val = Node.GetDebuggerObjectValue();
if (val != null && !val.IsNull && DebuggingService.HasGetConverter <Color> (val))
{
try {
previewColor = DebuggingService.GetGetConverter <Color> (val).GetValue(val);
} catch {
previewColor = null;
}
}
}
strval = strval.Replace("\r\n", " ").Replace("\n", " ");
var views = new List <NSView> ();
OptimalWidth = MarginSize;
// First item: Status Icon -or- Spinner
if (evaluateStatusIcon != null)
{
statusIcon.Image = GetImage(evaluateStatusIcon, Gtk.IconSize.Menu, selected);
statusIcon.AccessibilityTitle = ObjectValueTreeViewController.GetAccessibilityTitleForIcon(
evaluateStatusIcon,
GettextCatalog.GetString("Object Value"));
if (!statusIconVisible)
{
AddSubview(statusIcon);
statusIconVisible = true;
}
constraints.Add(statusIcon.CenterYAnchor.ConstraintEqualToAnchor(CenterYAnchor));
constraints.Add(statusIcon.WidthAnchor.ConstraintEqualToConstant(ImageSize));
constraints.Add(statusIcon.HeightAnchor.ConstraintEqualToConstant(ImageSize));
views.Add(statusIcon);
OptimalWidth += ImageSize;
OptimalWidth += RowCellSpacing;
}
else if (statusIconVisible)
{
statusIcon.RemoveFromSuperview();
statusIconVisible = false;
}
if (showSpinner)
{
if (!spinnerVisible)
{
AddSubview(spinner);
spinner.StartAnimation(this);
spinnerVisible = true;
}
constraints.Add(spinner.CenterYAnchor.ConstraintEqualToAnchor(CenterYAnchor));
constraints.Add(spinner.WidthAnchor.ConstraintEqualToConstant(ImageSize));
constraints.Add(spinner.HeightAnchor.ConstraintEqualToConstant(ImageSize));
views.Add(spinner);
OptimalWidth += ImageSize;
OptimalWidth += RowCellSpacing;
}
else if (spinnerVisible)
{
spinner.RemoveFromSuperview();
spinner.StopAnimation(this);
spinnerVisible = false;
}
// Second Item: Color Preview
if (previewColor.HasValue)
{
colorPreview.Layer.BackgroundColor = GetCGColor(previewColor.Value);
if (!colorPreviewVisible)
{
AddSubview(colorPreview);
colorPreviewVisible = true;
}
constraints.Add(colorPreview.CenterYAnchor.ConstraintEqualToAnchor(CenterYAnchor));
constraints.Add(colorPreview.WidthAnchor.ConstraintEqualToConstant(ImageSize));
constraints.Add(colorPreview.HeightAnchor.ConstraintEqualToConstant(ImageSize));
views.Add(colorPreview);
OptimalWidth += ImageSize;
OptimalWidth += RowCellSpacing;
}
else if (colorPreviewVisible)
{
colorPreview.RemoveFromSuperview();
colorPreviewVisible = false;
}
// Third Item: Value Button
if (valueButtonText != null && !((MacObjectValueNode)ObjectValue).HideValueButton)
{
valueButton.Title = valueButtonText;
UpdateFont(valueButton, -3);
valueButton.SizeToFit();
if (!valueButtonVisible)
{
AddSubview(valueButton);
valueButtonVisible = true;
}
constraints.Add(valueButton.CenterYAnchor.ConstraintEqualToAnchor(CenterYAnchor));
views.Add(valueButton);
OptimalWidth += valueButton.Frame.Width;
OptimalWidth += RowCellSpacing;
}
else if (valueButtonVisible)
{
valueButton.RemoveFromSuperview();
valueButtonVisible = false;
}
// Fourth Item: Viewer Button
if (showViewerButton)
{
if (!viewerButtonVisible)
{
AddSubview(viewerButton);
viewerButtonVisible = true;
}
constraints.Add(viewerButton.CenterYAnchor.ConstraintEqualToAnchor(CenterYAnchor));
constraints.Add(viewerButton.WidthAnchor.ConstraintEqualToConstant(viewerButton.Image.Size.Width));
constraints.Add(viewerButton.HeightAnchor.ConstraintEqualToConstant(viewerButton.Image.Size.Height));
views.Add(viewerButton);
OptimalWidth += viewerButton.Frame.Width;
OptimalWidth += RowCellSpacing;
}
else if (viewerButtonVisible)
{
viewerButton.RemoveFromSuperview();
viewerButtonVisible = false;
}
// Fifth Item: Text Value
TextField.StringValue = strval;
TextField.TextColor = textColor;
TextField.Editable = editable;
UpdateFont(TextField);
TextField.SizeToFit();
OptimalWidth += GetWidthForString(TextField.Font, strval);
constraints.Add(TextField.CenterYAnchor.ConstraintEqualToAnchor(CenterYAnchor));
views.Add(TextField);
// lay out our views...
var leadingAnchor = LeadingAnchor;
for (int i = 0; i < views.Count; i++)
{
var view = views[i];
constraints.Add(view.LeadingAnchor.ConstraintEqualToAnchor(leadingAnchor, i == 0 ? MarginSize : RowCellSpacing));
leadingAnchor = view.TrailingAnchor;
}
constraints.Add(TextField.TrailingAnchor.ConstraintEqualToAnchor(TrailingAnchor, -MarginSize));
foreach (var constraint in constraints)
{
constraint.Active = true;
}
OptimalWidth += MarginSize;
wrapper.OptimalValueFont = TreeView.CustomFont;
wrapper.OptimalValueWidth = OptimalWidth;
}