public static RichTextBox CreateRichTextBox(RoutedEventHandler contextMenuEventHandler_Click,
DragEventHandler richTextBoxEventHandler_DragOver,
DragEventHandler richTextBoxEventHandler_DragDrop,
TextChangedEventHandler richTextBoxEventHandler_OnTextChange
)
{
//---------------- Создание контекстного меню
ContextMenu contextMenu = new ContextMenu();
MenuItem item = new MenuItem {
Header = "Close"
};
item.Click += contextMenuEventHandler_Click;
contextMenu.Items.Add(item);
//----------------
//---------------- Создание пустого rich text box
RichTextBox richTextBox = new RichTextBox()
{
Name = "tmpRichText",
};
//----------------
//---------------- Задание drag and drop
richTextBox.AllowDrop = true;
richTextBox.AddHandler(RichTextBox.DragOverEvent, richTextBoxEventHandler_DragOver, true);
richTextBox.AddHandler(RichTextBox.DropEvent, richTextBoxEventHandler_DragDrop, true);
//----------------
//---------------- Назначение контекстного меню/ прокрутки
richTextBox.ContextMenu = contextMenu;
richTextBox.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
richTextBox.TextChanged += richTextBoxEventHandler_OnTextChange;
return(richTextBox);
}
private void NewFile(string fileName)
{
string temp = "rtbEtitor" + (items++).ToString(); // Get New File Tab Name
fileName = Path.GetFileName(fileName);
RichTextBox newRtb = new RichTextBox
{
Name = temp
};
TabItem newItem = new TabItem
{
Header = fileName,
Name = temp,
Content = newRtb
};
rtbEditor = newRtb; // Set the current tab Editor
rtbEditor.AddHandler(RichTextBox.DropEvent, new DragEventHandler(rtbEditor_Drop), true);
rtbEditor.AddHandler(RichTextBox.DragOverEvent, new DragEventHandler(rtbEditor_DragOver), true);
tabControl.Items.Add(newItem); // TabController add this tab
newItem.IsSelected = true; // Select this tab
}
public RichTextEditorSample()
{
InitializeComponent(); //Initialize the original window from .xaml file.
rtbEditor = rtbEditor1; // Set the current tab Editor
cmbFontFamily.ItemsSource = Fonts.SystemFontFamilies.OrderBy(f => f.Source); // Initialize the Font Families
cmbFontSize.ItemsSource = new List <double>()
{
8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48, 72
}; // Initialize the Font Size
cmbColour.ItemsSource = typeof(Colors).GetProperties(); //Initiallze the Colour tab
rtbEditor.AddHandler(RichTextBox.DropEvent, new DragEventHandler(rtbEditor_Drop), true); //Bind the Drop function
rtbEditor.AddHandler(RichTextBox.DragOverEvent, new DragEventHandler(rtbEditor_DragOver), true); // Ibid.
}
private TabItem AddTabItem()
{
int count = _tabItems.Count;
// create new tab item
TabItem tab = new TabItem();
tab.Header = string.Format("Tab {0}", count);
tab.Name = string.Format("tab{0}", count);
tab.HeaderTemplate = tabDynamic.FindResource("TabHeader") as DataTemplate;
// add controls to tab item, this case I added just a textbox
//<RichTextBox x:Name="richtextBox1" PreviewKeyDown="richtextBox1_PreviewKeyDown" AllowDrop="True" Block.LineStackingStrategy="BlockLineHeight"/>
RichTextBox rich = new RichTextBox();
rich.PreviewKeyDown += richtextBox1_PreviewKeyDown;
rich.AllowDrop = true;
rich.AddHandler(RichTextBox.DragOverEvent, new DragEventHandler(RichTextBox_DragOver), true);
rich.AddHandler(RichTextBox.DropEvent, new DragEventHandler(RichTextBox_Drop), true);
rich.Name = "richtextBox1";
rich.PreviewKeyDown += richtextBox1_PreviewKeyDown;
rich.AllowDrop = true;
rich.Document.Blocks.Clear();
riches.Add(rich);
tab.Content = riches[u];
u++;
//TextBox txt = new TextBox();
//txt.Name = "txt";
//tab.Content = txt;
// insert tab item right before the last (+) tab item
_tabItems.Insert(count - 1, tab);
return(tab);
}
public override void Instantiate()
{
base.Instantiate();
this.RichTextBox.VerticalScrollBarVisibility = ScrollBarVisibility.Disabled;
this.RichTextBox.SetValue(this.EditingElement.Platform.Metadata.DefaultTypeResolver, ControlElement.ForegroundProperty, this.TextSource.GetComputedValueAsWpf(TextBlockElement.ForegroundProperty));
if (this.EditingElement.Platform.Metadata.ResolveProperty(TextBlockElement.BackgroundProperty) != null)
{
this.RichTextBox.SetValue(this.EditingElement.Platform.Metadata.DefaultTypeResolver, ControlElement.BackgroundProperty, this.TextSource.GetComputedValueAsWpf(TextBlockElement.BackgroundProperty));
}
TextAlignment textAlignment = (TextAlignment)this.TextSource.GetComputedValueAsWpf(TextBlockElement.TextAlignmentProperty);
TextDecorationCollection decorationCollection = (TextDecorationCollection)this.TextSource.GetComputedValueAsWpf(TextBlockElement.TextDecorationsProperty);
Paragraph paragraph = (Paragraph)((FlowDocument)this.RichTextBox.Document.PlatformSpecificObject).Blocks.FirstBlock;
paragraph.TextAlignment = textAlignment;
paragraph.TextDecorations = decorationCollection;
if (this.TextSource.IsSet(TextBlockElement.TextProperty) == PropertyState.Set)
{
Run run = new Run((string)this.TextSource.GetComputedValue(TextBlockElement.TextProperty));
run.FlowDirection = (FlowDirection)FrameworkElement.FlowDirectionProperty.DefaultMetadata.DefaultValue;
paragraph.Inlines.Add((Inline)run);
}
else if (this.TextSource.IsSet(TextBlockElement.InlinesProperty) == PropertyState.Set)
{
DocumentNodePath pathInContainer = this.TextSource.DocumentNodePath.GetPathInContainer(((DocumentCompositeNode)this.TextSource.DocumentNode).Properties[TextBlockElement.InlinesProperty]);
SceneViewModel viewModel = this.TextSource.ViewModel;
IDocumentContext documentContext = viewModel.Document.DocumentContext;
if (!viewModel.ProjectContext.IsCapabilitySet(PlatformCapability.IsWpf))
{
foreach (SceneNode sceneNode in (IEnumerable <SceneNode>) this.TextSource.GetCollectionForProperty(TextBlockElement.InlinesProperty))
{
Inline inline = this.TextSource.ViewModel.DefaultView.ConvertToWpfValue((object)sceneNode.DocumentNode) as Inline;
if (inline != null)
{
paragraph.Inlines.Add(inline);
}
}
}
else
{
using (InstanceBuilderContext instanceBuilderContext = new InstanceBuilderContext(viewModel.ProjectContext, viewModel, true, (Microsoft.Expression.DesignModel.DocumentModel.DocumentNode)null))
{
using (instanceBuilderContext.DisablePostponedResourceEvaluation())
{
instanceBuilderContext.ViewNodeManager.RootNodePath = pathInContainer;
instanceBuilderContext.ViewNodeManager.Root.Instance = (object)paragraph.Inlines;
instanceBuilderContext.ViewNodeManager.Instantiate(instanceBuilderContext.ViewNodeManager.Root);
}
this.UpdateUIChildrenInstances((IInstanceBuilderContext)instanceBuilderContext);
}
}
}
if (this.ForceLoadOnInstantiate)
{
this.EditingElement.UpdateLayout();
this.AdjustPadding();
}
else
{
this.RichTextBox.Loaded += new RoutedEventHandler(this.RichTextBox_Loaded);
}
if (this.TextSource.ViewModel.ProjectContext.IsCapabilitySet(PlatformCapability.SupportsTabInTextControl))
{
RichTextBox richTextBox = this.RichTextBox.PlatformSpecificObject as RichTextBox;
if (richTextBox != null)
{
richTextBox.AddHandler(CommandManager.PreviewCanExecuteEvent, (Delegate) new CanExecuteRoutedEventHandler(TextBlockEditProxy.CanExecute));
}
}
this.RichTextBox.SelectionChanged += new RoutedEventHandler(this.RichTextBox_SelectionChanged);
}
public static void OnPlaceholderChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d is PasswordBox)
{
PasswordBox txt = d as PasswordBox;
if (txt == null || e.NewValue.ToString().Trim().Length == 0)
{
return;
}
RoutedEventHandler loadHandler = null;
loadHandler = (s1, e1) =>
{
txt.Loaded -= loadHandler;
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
if (txt.Password.Length == 0)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
};
txt.Loaded += loadHandler;
txt.PasswordChanged += (s1, e1) =>
{
bool isShow = txt.Password.Length == 0;
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
if (isShow)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
else
{
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
}
};
}
else if (d is TextBox)
{
TextBox txt = d as TextBox;
if (txt == null || e.NewValue.ToString().Trim().Length == 0)
{
return;
}
RoutedEventHandler loadHandler = null;
loadHandler = (s1, e1) =>
{
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
else
{
txt.Loaded -= loadHandler;
}
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
if (txt.Text.Length == 0)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
};
txt.Loaded += loadHandler;
txt.TextChanged += (s1, e1) =>
{
bool isShow = txt.Text.Length == 0;
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
if (isShow)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
else
{
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
}
};
}
else if (d is ComboBox)
{
ComboBox txt = d as ComboBox;
if (txt == null || e.NewValue.ToString().Trim().Length == 0)
{
return;
}
RoutedEventHandler loadHandler = null;
loadHandler = (s1, e1) =>
{
txt.Loaded -= loadHandler;
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
if (txt.Text == null || txt.Text.Length == 0)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
};
txt.Loaded += loadHandler;
RoutedEventHandler textChangedHandler = (s1, e1) =>
{
bool isShow = txt.Text != null && txt.Text.Length == 0;
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
if (isShow)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
else
{
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
}
};
txt.AddHandler(System.Windows.Controls.Primitives.TextBoxBase.TextChangedEvent, textChangedHandler);
}
else if (d is RichTextBox)
{
RichTextBox txt = d as RichTextBox;
if (e.NewValue == null)
{
return;
}
if (txt == null || e.NewValue.ToString().Trim().Length == 0)
{
return;
}
RoutedEventHandler loadHandler = null;
loadHandler = (s1, e1) =>
{
txt.Loaded -= loadHandler;
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
TextRange textRange = new TextRange(txt.Document.ContentStart, txt.Document.ContentEnd);
if (txt.Document == null || string.IsNullOrWhiteSpace(textRange.Text))
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
};
txt.Loaded += loadHandler;
RoutedEventHandler textChangedHandler = (s1, e1) =>
{
// bool isShow = txt.Document != null && txt.Document.Blocks.Count == 0;
TextRange textRange = new TextRange(txt.Document.ContentStart, txt.Document.ContentEnd);
bool isShow = string.IsNullOrWhiteSpace(textRange.Text);
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
if (isShow)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
else
{
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
}
};
txt.AddHandler(System.Windows.Controls.Primitives.TextBoxBase.TextChangedEvent, textChangedHandler);
RoutedEventHandler getFocusedChangedHandler = (s1, e1) =>
{
// bool isShow = txt.Document != null && txt.Document.Blocks.Count == 0;
TextRange textRange = new TextRange(txt.Document.ContentStart, txt.Document.ContentEnd);
bool isShow = string.IsNullOrWhiteSpace(textRange.Text);
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
if (isShow)
{
Adorner[] ar = lay.GetAdorners(txt);
if (ar != null)
{
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] is PlaceholderAdorner)
{
lay.Remove(ar[i]);
}
}
}
}
};
txt.AddHandler(System.Windows.Controls.Primitives.TextBoxBase.GotFocusEvent, getFocusedChangedHandler);
RoutedEventHandler lostFocusedChangedHandler = (s1, e1) =>
{
// bool isShow = txt.Document != null && txt.Document.Blocks.Count == 0;
TextRange textRange = new TextRange(txt.Document.ContentStart, txt.Document.ContentEnd);
bool isShow = string.IsNullOrWhiteSpace(textRange.Text);
var lay = AdornerLayer.GetAdornerLayer(txt);
if (lay == null)
{
return;
}
if (isShow)
{
lay.Add(new PlaceholderAdorner(txt, e.NewValue.ToString()));
}
};
txt.AddHandler(System.Windows.Controls.Primitives.TextBoxBase.LostFocusEvent, lostFocusedChangedHandler);
}
}