public static IDialogView CreateDialog(
NSWindow parentWindow,
IChangeNotification changeNotification,
IDialogViewModel viewModel,
IEnumerable <string> tags,
string initiallyFocusedTag
)
{
var dlg = new TagsSelectionSheetController(parentWindow, viewModel);
dlg.Window.GetHashCode();
int focusedRow = -1;
foreach (var t in tags)
{
var b = new NSButton()
{
Title = t,
State = NSCellStateValue.Off
};
b.SetButtonType(NSButtonType.Switch);
if (initiallyFocusedTag == t)
{
focusedRow = dlg.views.Count;
}
b.Action = new ObjCRuntime.Selector("OnTagChecked:");
b.Target = dlg;
dlg.views.Add(b);
}
dlg.table.Delegate = new Delegate()
{
owner = dlg
};
dlg.table.DataSource = new DataSource()
{
owner = dlg
};
if (focusedRow >= 0)
{
dlg.table.SelectRow(focusedRow, byExtendingSelection: false);
dlg.table.ScrollRowToVisible(focusedRow);
}
dlg.linkLabel.StringValue = "select: all none";
dlg.linkLabel.Links = new [] {
new NSLinkLabel.Link(8, 3, ""),
new NSLinkLabel.Link(14, 4, null),
};
dlg.formulaTextView.Delegate = new TextViewDelegate()
{
view = dlg.formulaTextView,
viewModel = viewModel,
changeNotification = changeNotification
};
dlg.linkLabel.LinkClicked = (s, e) => {
if (e.Link.Tag != null)
{
viewModel.OnUseAllClicked();
}
else
{
viewModel.OnUnuseAllClicked();
}
};
var updateCheckboxes = Updaters.Create(
() => viewModel.SelectedTags,
() => viewModel.IsEditingFormula,
(selected, editing) => {
dlg.views.ForEach(b => {
b.State = selected.Contains(b.Title) ? NSCellStateValue.On : NSCellStateValue.Off;
b.Enabled = !editing;
});
}
);
NSColor getLinkColor(MessageSeverity sev) =>
sev == MessageSeverity.Error ? NSColor.Red :
sev == MessageSeverity.Warning ? NSColor.Orange :
NSColor.Text;
var updateFormula = Updaters.Create(
() => viewModel.Formula,
() => viewModel.IsEditingFormula,
() => viewModel.FormulaStatus,
(formula, editing, status) => {
if (dlg.formulaTextView.Value != formula)
{
dlg.formulaTextView.Value = formula;
}
dlg.formulaTextView.Editable = editing;
dlg.formulaTextView.BackgroundColor = editing ? NSColor.TextBackground : NSColor.ControlBackground;
dlg.formulaTextView.TextColor = editing ? NSColor.Text : NSColor.PlaceholderTextColor;
dlg.linkLabel.IsEnabled = !editing;
dlg.okButton.Enabled = !editing;
dlg.formulaEditLinkLabel.StringValue = editing ? "done" : "edit";
var(statusText, statusSeverity) = status;
dlg.formulaLinkLabel.SetAttributedContents(statusText);
dlg.formulaEditLinkLabel.IsEnabled = statusSeverity != MessageSeverity.Error;
dlg.formulaLinkLabel.TextColor = getLinkColor(statusSeverity);
}
);
var formulaFocusSideEffect = Updaters.Create(
() => viewModel.IsEditingFormula,
editing =>
{
if (editing)
{
dlg.Window.MakeFirstResponder(dlg.formulaTextView);
}
}
);
var updateSuggestions = Updaters.Create(
() => viewModel.FormulaSuggesions,
value =>
{
var(list, selectedItem) = value;
dlg.suggestionsContainer.Hidden = list.IsEmpty;
dlg.suggestionsLabel.Hidden = list.IsEmpty;
dlg.suggestionsView.Subviews.ToList().ForEach(v => v.RemoveFromSuperview());
var itemHeight = 17;
nfloat maxRight = 0;
var views = list.Select((str, idx) =>
{
var lbl = NSLinkLabel.CreateLabel(str);
lbl.BackgroundColor = idx == selectedItem ? NSColor.SelectedTextBackground : NSColor.Clear;
lbl.TextColor = idx == selectedItem ? NSColor.SelectedText : NSColor.Text;
lbl.LinkClicked = (s, e) => viewModel.OnSuggestionClicked(idx);
lbl.SetFrameOrigin(new CoreGraphics.CGPoint(5, idx * itemHeight));
lbl.SetFrameSize(lbl.IntrinsicContentSize);
return(lbl);
}).ToList();
foreach (var subView in views)
{
dlg.suggestionsView.AddSubview(subView);
maxRight = (nfloat)Math.Max(maxRight, subView.Frame.Right);
}
dlg.suggestionsView.SetFrameSize(new CoreGraphics.CGSize(maxRight, list.Length * itemHeight));
if (selectedItem != null)
{
dlg.suggestionsView.ScrollRectToVisible(views[selectedItem.Value].Frame);
}
}
);
var listStatusUpdater = Updaters.Create(
() => viewModel.TagsListStatus,
(status) =>
{
var(statusText, statusSeverity) = status;
dlg.tagsStatusLinkLabel.SetAttributedContents(statusText);
dlg.tagsStatusLinkLabel.TextColor = getLinkColor(statusSeverity);
}
);
dlg.subscription = changeNotification.CreateSubscription(() => {
updateCheckboxes();
updateFormula();
formulaFocusSideEffect();
updateSuggestions();
listStatusUpdater();
}, initiallyActive: false);
dlg.formulaEditLinkLabel.LinkClicked = (sender, e) => {
if (viewModel.IsEditingFormula)
{
viewModel.OnStopEditingFormulaClicked();
}
else
{
viewModel.OnEditFormulaClicked();
}
};
dlg.formulaLinkLabel.LinkClicked = (sender, e) =>
viewModel.OnFormulaLinkClicked(e.Link.Tag as string);
dlg.tagsStatusLinkLabel.LinkClicked = (sender, e) =>
viewModel.OnTagsStatusLinkClicked(e.Link.Tag as string);
return(dlg);
}