private void ToggleAttribute <T> (Action <T, bool> toggle, ToolbarButton button) where T : TextAttribute, new()
{
var attr = new T();
var isChecked = button.IsChecked.HasValue && button.IsChecked.Value;
toggle(attr, isChecked);
TextViewer.SetAttribute(attr);
}
public override void InitializeBackend(IVidget frontend, VidgetApplicationContext context)
{
this.Frontend = (LVV.ToolbarButton)frontend;
}
protected virtual void Compose()
{
BoldButton = new ToolbarButton {
IsCheckable = true
};
BoldCommand = new CommandView {
Action = s => ToggleAttribute <FontWeightTextAttribute> (
(a, bold) => a.Weight = (bold ? FontWeight.Bold : FontWeight.Normal), BoldButton),
Image = Iconery.FontBoldIcon,
Size = DefaultSize,
ToolTipText = "Bold"
};
BoldButton.SetCommand(BoldCommand);
ItalicButton = new ToolbarButton {
IsCheckable = true
};
ItalicCommand = new CommandView {
Action = s => ToggleAttribute <FontStyleTextAttribute> (
(a, italic) => a.Style = (italic ? FontStyle.Italic : FontStyle.Normal), ItalicButton),
Image = Iconery.FontItalicIcon,
Size = DefaultSize,
ToolTipText = "Italic"
};
ItalicButton.SetCommand(ItalicCommand);
StrikeThroughButton = new ToolbarButton {
IsCheckable = true
};
StrikeThroughCommand = new CommandView {
Action = s => ToggleAttribute <StrikethroughTextAttribute> (
(a, value) => a.Strikethrough = value, StrikeThroughButton),
Image = Iconery.FontStrikeThroughIcon,
Size = DefaultSize,
ToolTipText = "StrikeThrough"
};
StrikeThroughButton.SetCommand(StrikeThroughCommand);
UnderlineButton = new ToolbarButton {
IsCheckable = true
};
UnderlineCommand = new CommandView {
Action = s => ToggleAttribute <UnderlineTextAttribute> (
(a, value) => a.Underline = value, UnderlineButton),
Image = Iconery.FontUnderlineIcon,
Size = DefaultSize,
ToolTipText = "Underline"
};
UnderlineButton.SetCommand(UnderlineCommand);
FontFamilyCombo = new ComboBox {
Width = 100
};
Font.AvailableFontFamilies.ForEach(f =>
FontFamilyCombo.Items.Add(f));
FontFamilyCombo.SelectionChanged += (s, e) => {
var attr = new FontDataAttribute {
FontFamily = FontFamilyCombo.SelectedItem as string
};
TextViewer.SetAttribute(attr);
};
var fontFamilyComboHost = new ToolbarItemHost {
Child = FontFamilyCombo
};
FontSizeCombo = new ComboBox {
Width = 50
};
new int[] { 6, 8, 10, 12, 14, 16, 18, 24, 32 }
.ForEach(s => FontSizeCombo.Items.Add(s.ToString()));
FontSizeCombo.SelectionChanged += (s, e) => {
var i = -1d;
if (FontSizeCombo.SelectedItem != null && double.TryParse(FontSizeCombo.SelectedItem.ToString(), out i))
{
var attr = new FontDataAttribute {
FontSize = i
};
TextViewer.SetAttribute(attr);
}
};
var fontSizeComboHost = new ToolbarItemHost {
Child = FontSizeCombo
};
this.AddItems(BoldButton, ItalicButton, UnderlineButton, StrikeThroughButton,
fontFamilyComboHost, fontSizeComboHost);
}
protected virtual void Compose()
{
var size = new Xwt.Size(36, 36);
GraphStreamViewCommand = new CommandView {
Action = s => ViewMode = SplitView.ViewMode = SplitViewMode.GraphContent,
Image = Iconery.GraphContentView,
Size = size,
ToolTipText = "show contents"
};
GraphGraphViewCommand = new CommandView {
Action = s => ViewMode = SplitView.ViewMode = SplitViewMode.GraphGraph,
Image = Iconery.GraphGraphView,
Size = size,
ToolTipText = "show tiled graph"
};
ToggleViewCommand = new CommandView {
Action = s => SplitView.ToggleView(),
Image = Iconery.ToggleView,
Size = size,
ToolTipText = "toogle view"
};
OpenNewWindowCommand = new CommandView {
Action = s => SplitView.ShowInNewWindow(),
Image = Iconery.NewViewVisualNote,
Size = size,
ToolTipText = "open new window"
};
Action <bool> goBackOrForward = backOrForward => {
if (SplitView.CanGoBackOrForward(backOrForward))
{
SplitView.GoBackOrForward(backOrForward);
CheckBackForward(SplitView);
}
};
GoBackCommand = new CommandView {
Action = s => goBackOrForward(false),
Image = Iconery.GoPrevious,
Size = size,
ToolTipText = "navigate back"
};
GoForwardCommand = new CommandView {
Action = s => goBackOrForward(true),
Image = Iconery.GoNext,
Size = size,
ToolTipText = "navigate forward"
};
GoHomeCommand = new CommandView {
Action = s => SplitView.GoHome(),
Image = Iconery.GoHome,
Size = size,
ToolTipText = "go to favorites"
};
NewSheetCommand = new CommandView {
Action = s => SplitView.NewSheet(),
Image = Iconery.NewSheet,
Size = size,
ToolTipText = "new sheet"
};
NewNoteCommand = new CommandView {
Action = s => SplitView.NewNote(),
Image = Iconery.NewNote,
Size = size,
ToolTipText = "new note"
};
SaveSheetCommand = new CommandView {
Action = s => SplitView.SaveDocument(),
Image = Iconery.SaveContent,
Size = size,
ToolTipText = "save content"
};
GraphStreamViewButton = new ToolbarButton(GraphStreamViewCommand)
{
IsCheckable = true
};
GraphGraphViewButton = new ToolbarButton(GraphGraphViewCommand)
{
IsCheckable = true
};
var toggleViewButton = new ToolbarButton(ToggleViewCommand);
var newWindowButton = new ToolbarButton(OpenNewWindowCommand);
GoBackButton = new ToolbarButton(GoBackCommand);
GoForwardButton = new ToolbarButton(GoForwardCommand);
var goHomeButton = new ToolbarButton(GoHomeCommand);
var newSheetButton = new ToolbarButton(NewSheetCommand);
var newNoteButton = new ToolbarButton(NewNoteCommand);
var saveSheetButton = new ToolbarButton(SaveSheetCommand);
SheetCombo = new ComboBox {
Width = 100
};
var sheetComboHost = new ToolbarItemHost()
{
Child = SheetCombo
};
this.AddItems(
sheetComboHost,
saveSheetButton,
new ToolbarSeparator(),
GraphStreamViewButton,
GraphGraphViewButton,
toggleViewButton,
new ToolbarSeparator(),
GoBackButton,
GoForwardButton,
goHomeButton,
new ToolbarSeparator(),
newSheetButton,
newNoteButton,
newWindowButton,
new ToolbarSeparator()
);
}