// Token: 0x060085BD RID: 34237 RVA: 0x0024AA08 File Offset: 0x00248C08
private ITextPointer GetDropPosition(Visual target, Point point)
{
Invariant.Assert(target != null);
Invariant.Assert(this._textEditor.TextView.IsValid);
if (target != this._textEditor.TextView.RenderScope && target != null && this._textEditor.TextView.RenderScope.IsAncestorOf(target))
{
GeneralTransform generalTransform = target.TransformToAncestor(this._textEditor.TextView.RenderScope);
generalTransform.TryTransform(point, out point);
}
ITextPointer textPointer = this.TextView.GetTextPositionFromPoint(point, true);
if (textPointer != null)
{
textPointer = textPointer.GetInsertionPosition(textPointer.LogicalDirection);
if (this._textEditor.AcceptsRichContent)
{
TextSegment normalizedLineRange = TextEditorSelection.GetNormalizedLineRange(this.TextView, textPointer);
if (!normalizedLineRange.IsNull && textPointer.CompareTo(normalizedLineRange.End) < 0 && !TextPointerBase.IsAtWordBoundary(textPointer, LogicalDirection.Forward) && this._dragSourceTextRange != null && TextPointerBase.IsAtWordBoundary(this._dragSourceTextRange.Start, LogicalDirection.Forward) && TextPointerBase.IsAtWordBoundary(this._dragSourceTextRange.End, LogicalDirection.Forward))
{
TextSegment wordRange = TextPointerBase.GetWordRange(textPointer);
string textInternal = TextRangeBase.GetTextInternal(wordRange.Start, wordRange.End);
int offsetToPosition = wordRange.Start.GetOffsetToPosition(textPointer);
textPointer = ((offsetToPosition < textInternal.Length / 2) ? wordRange.Start : wordRange.End);
}
}
}
return(textPointer);
}
// Token: 0x06003836 RID: 14390 RVA: 0x000FAA28 File Offset: 0x000F8C28
private static void OnResetFormat(object target, ExecutedRoutedEventArgs args)
{
TextEditor textEditor = TextEditor._GetTextEditor(target);
if (textEditor == null || !textEditor._IsEnabled || textEditor.IsReadOnly || !textEditor.AcceptsRichContent || !(textEditor.Selection.Start is TextPointer))
{
return;
}
TextEditorTyping._FlushPendingInputItems(textEditor);
using (textEditor.Selection.DeclareChangeBlock())
{
TextPointer start = (TextPointer)textEditor.Selection.Start;
TextPointer end = (TextPointer)textEditor.Selection.End;
if (textEditor.Selection.IsEmpty)
{
TextSegment autoWord = TextRangeBase.GetAutoWord(textEditor.Selection);
if (autoWord.IsNull)
{
((TextSelection)textEditor.Selection).ClearSpringloadFormatting();
return;
}
start = (TextPointer)autoWord.Start;
end = (TextPointer)autoWord.End;
}
TextEditorSelection._ClearSuggestedX(textEditor);
TextRangeEdit.CharacterResetFormatting(start, end);
}
}
internal static void _OnApplyProperty(TextEditor This, DependencyProperty formattingProperty, object propertyValue, bool applyToParagraphs, PropertyValueAction propertyValueAction)
{
if (This == null || !This._IsEnabled || This.IsReadOnly || !This.AcceptsRichContent || !(This.Selection is TextSelection))
{
return;
}
// Check whether the property is known
if (!TextSchema.IsParagraphProperty(formattingProperty) && !TextSchema.IsCharacterProperty(formattingProperty))
{
Invariant.Assert(false, "The property '" + formattingProperty.Name + "' is unknown to TextEditor");
return;
}
TextSelection selection = (TextSelection)This.Selection;
if (TextSchema.IsStructuralCharacterProperty(formattingProperty) &&
!TextRangeEdit.CanApplyStructuralInlineProperty(selection.Start, selection.End))
{
// Ignore structural commands fires in inappropriate context.
return;
}
TextEditorTyping._FlushPendingInputItems(This);
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// Break merged typing sequence
TextEditorTyping._BreakTypingSequence(This);
// Apply property
selection.ApplyPropertyValue(formattingProperty, propertyValue, applyToParagraphs, propertyValueAction);
}
/// <summary>
/// Cut worker.
/// </summary>
internal static void Cut(TextEditor This, bool userInitiated)
{
if (userInitiated)
{
// Fail silently if the app explicitly denies clipboard access.
try
{
new UIPermission(UIPermissionClipboard.OwnClipboard).Demand();
}
catch (SecurityException)
{
return;
}
}
TextEditorTyping._FlushPendingInputItems(This);
TextEditorTyping._BreakTypingSequence(This);
if (This.Selection != null && !This.Selection.IsEmpty)
{
// Copy content onto the clipboard
// Note: _CreateDataObject raises a public event which might throw a recoverable exception.
DataObject dataObject = TextEditorCopyPaste._CreateDataObject(This, /*isDragDrop:*/ false);
if (dataObject != null)
{
try
{
// The copy command was not terminated by application
// One of reason should be the opening fail of Clipboard by the destroyed hwnd.
Clipboard.CriticalSetDataObject(dataObject, true);
}
catch (ExternalException)
when(!FrameworkCompatibilityPreferences.ShouldThrowOnCopyOrCutFailure)
{
// Clipboard is failed to set the data object.
return;
}
// Delete selected content
using (This.Selection.DeclareChangeBlock())
{
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
This.Selection.Text = String.Empty;
// Clear springload formatting
if (This.Selection is TextSelection)
{
((TextSelection)This.Selection).ClearSpringloadFormatting();
}
}
}
}
}
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
// Sets the caret in response to a mouse down or mouse up event.
internal static void SetCaretPositionOnMouseEvent(TextEditor This, Point mouseDownPoint, MouseButton changedButton, int clickCount)
{
// Get the character position of the mouse event.
ITextPointer cursorPosition = This.TextView.GetTextPositionFromPoint(mouseDownPoint, /*snapToText:*/ true);
if (cursorPosition == null)
{
// Cursor is between pages in a document viewer.
MoveFocusToUiScope(This);
return;
}
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// Discard typing undo unit merging
TextEditorTyping._BreakTypingSequence(This);
// Clear springload formatting
if (This.Selection is TextSelection)
{
((TextSelection)This.Selection).ClearSpringloadFormatting();
}
// Clear flags for forcing word and paragraphexpansion
// (which should be true only in case of doubleClick+drag or tripleClick+drag)
This._forceWordSelection = false;
This._forceParagraphSelection = false;
if (changedButton == MouseButton.Right || clickCount == 1)
{
// If mouse clicked within selection enter dragging mode, otherwise start building a selection
if (changedButton != MouseButton.Left || !This._dragDropProcess.SourceOnMouseLeftButtonDown(mouseDownPoint))
{
// Mouse down happend outside of current selection
// so position the selection at the clicked location.
This.Selection.SetSelectionByMouse(cursorPosition, mouseDownPoint);
}
}
else if (clickCount == 2 && (Keyboard.Modifiers & ModifierKeys.Shift) == 0 && This.Selection.IsEmpty)
{
// Double click only works when Shift is not pressed
This._forceWordSelection = true;
This._forceParagraphSelection = false;
This.Selection.SelectWord(cursorPosition);
}
else if (clickCount == 3 && (Keyboard.Modifiers & ModifierKeys.Shift) == 0)
{
// Triple click only works when Shift is not pressed
if (This.AcceptsRichContent)
{
This._forceParagraphSelection = true;
This._forceWordSelection = false;
This.Selection.SelectParagraph(cursorPosition);
}
}
}
// Common handler for all list editing commands
private static void OnListCommand(object target, ExecutedRoutedEventArgs args)
{
TextEditor This = TextEditor._GetTextEditor(target);
if (This == null || !This._IsEnabled || This.IsReadOnly || !This.AcceptsRichContent || !(This.Selection is TextSelection))
{
return;
}
TextEditorTyping._FlushPendingInputItems(This);
if (!TextRangeEditLists.IsListOperationApplicable((TextSelection)This.Selection))
{
return;
}
using (This.Selection.DeclareChangeBlock())
{
TextSelection thisSelection = (TextSelection)This.Selection;
ListItem parentListItem = TextPointerBase.GetListItem(thisSelection.Start);
ListItem immediateListItem = TextPointerBase.GetImmediateListItem(thisSelection.Start);
List list = parentListItem == null ? null : (List)parentListItem.Parent;
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// Execute the command
if (args.Command == EditingCommands.ToggleBullets)
{
ToggleBullets(thisSelection, parentListItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.ToggleNumbering)
{
ToggleNumbering(thisSelection, parentListItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.RemoveListMarkers)
{
TextRangeEditLists.ConvertListItemsToParagraphs(thisSelection);
}
else if (args.Command == EditingCommands.IncreaseIndentation)
{
IncreaseIndentation(thisSelection, parentListItem, immediateListItem);
}
else if (args.Command == EditingCommands.DecreaseIndentation)
{
DecreaseIndentation(thisSelection, parentListItem, immediateListItem);
}
else
{
Invariant.Assert(false);
}
}
}
// Token: 0x06003874 RID: 14452 RVA: 0x000FCCBC File Offset: 0x000FAEBC
private static void OnListCommand(object target, ExecutedRoutedEventArgs args)
{
TextEditor textEditor = TextEditor._GetTextEditor(target);
if (textEditor == null || !textEditor._IsEnabled || textEditor.IsReadOnly || !textEditor.AcceptsRichContent || !(textEditor.Selection is TextSelection))
{
return;
}
TextEditorTyping._FlushPendingInputItems(textEditor);
if (!TextRangeEditLists.IsListOperationApplicable((TextSelection)textEditor.Selection))
{
return;
}
using (textEditor.Selection.DeclareChangeBlock())
{
TextSelection textSelection = (TextSelection)textEditor.Selection;
ListItem listItem = TextPointerBase.GetListItem(textSelection.Start);
ListItem immediateListItem = TextPointerBase.GetImmediateListItem(textSelection.Start);
List list = (listItem == null) ? null : ((List)listItem.Parent);
TextEditorSelection._ClearSuggestedX(textEditor);
if (args.Command == EditingCommands.ToggleBullets)
{
TextEditorLists.ToggleBullets(textSelection, listItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.ToggleNumbering)
{
TextEditorLists.ToggleNumbering(textSelection, listItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.RemoveListMarkers)
{
TextRangeEditLists.ConvertListItemsToParagraphs(textSelection);
}
else if (args.Command == EditingCommands.IncreaseIndentation)
{
TextEditorLists.IncreaseIndentation(textSelection, listItem, immediateListItem);
}
else if (args.Command == EditingCommands.DecreaseIndentation)
{
TextEditorLists.DecreaseIndentation(textSelection, listItem, immediateListItem);
}
else
{
Invariant.Assert(false);
}
}
}
internal static void Cut(TextEditor This, bool userInitiated)
{
if (userInitiated)
{
try
{
new UIPermission(UIPermissionClipboard.OwnClipboard).Demand();
goto IL_1E;
}
catch (SecurityException)
{
return;
}
}
if (!SecurityHelper.CallerHasAllClipboardPermission())
{
return;
}
IL_1E:
TextEditorTyping._FlushPendingInputItems(This);
TextEditorTyping._BreakTypingSequence(This);
if (This.Selection != null && !This.Selection.IsEmpty)
{
DataObject dataObject = TextEditorCopyPaste._CreateDataObject(This, false);
if (dataObject != null)
{
try
{
Clipboard.CriticalSetDataObject(dataObject, true);
}
catch (ExternalException obj) when(!FrameworkCompatibilityPreferences.ShouldThrowOnCopyOrCutFailure)
{
return;
}
using (This.Selection.DeclareChangeBlock())
{
TextEditorSelection._ClearSuggestedX(This);
This.Selection.Text = string.Empty;
if (This.Selection is TextSelection)
{
((TextSelection)This.Selection).ClearSpringloadFormatting();
}
}
}
}
}
/// <summary>
/// Calculates a TextPointer indended for dropping the text.
/// </summary>
/// <param name="target"></param>
/// <param name="point"></param>
/// <returns>
/// ITextPointer intended for dropping the selected text.
/// Adjusts the dropping point to a word boundary (beginning of word)
/// in case if source range contains whole words.
/// The position returned is oriented towards a character
/// under the mouse pointer.
/// </returns>
private ITextPointer GetDropPosition(Visual target, Point point)
{
Invariant.Assert(target != null);
Invariant.Assert(_textEditor.TextView.IsValid); // caller must guarantee this.
// Convert point to RenderScope
if (target != _textEditor.TextView.RenderScope && target != null && (_textEditor.TextView.RenderScope).IsAncestorOf(target))
{
GeneralTransform transform = target.TransformToAncestor(_textEditor.TextView.RenderScope);
transform.TryTransform(point, out point);
}
ITextPointer dropPosition = this.TextView.GetTextPositionFromPoint(point, /*snapToText:*/ true);
// For rich text content we adjust drop position to word boundary
if (dropPosition != null)
{
// Normalize drop position
dropPosition = dropPosition.GetInsertionPosition(dropPosition.LogicalDirection);
if (_textEditor.AcceptsRichContent)
{
TextSegment lineRange = TextEditorSelection.GetNormalizedLineRange(this.TextView, dropPosition);
if (!lineRange.IsNull &&
// The drop position must be before of end of line
dropPosition.CompareTo(lineRange.End) < 0 &&
// We check if we are not at word boundary already:
!TextPointerBase.IsAtWordBoundary(dropPosition, /*insideWordDirection:*/ LogicalDirection.Forward) &&
// We do not do it if the source range was not on word boundaries from both ends
_dragSourceTextRange != null && //
TextPointerBase.IsAtWordBoundary(_dragSourceTextRange.Start, LogicalDirection.Forward) && //
TextPointerBase.IsAtWordBoundary(_dragSourceTextRange.End, LogicalDirection.Forward))
{
// Move to word boundary. Select closest one to a dropPosition.
TextSegment wordSegment = TextPointerBase.GetWordRange(dropPosition);
string wordText = TextRangeBase.GetTextInternal(wordSegment.Start, wordSegment.End);
int indexInWord = wordSegment.Start.GetOffsetToPosition(dropPosition);
dropPosition = (indexInWord < (wordText.Length / 2)) ? wordSegment.Start : wordSegment.End;
}
}
}
return(dropPosition);
}
// Token: 0x060038DF RID: 14559 RVA: 0x001011BC File Offset: 0x000FF3BC
private static void OnTableCommand(object target, ExecutedRoutedEventArgs args)
{
TextEditor textEditor = TextEditor._GetTextEditor(target);
if (textEditor == null || !textEditor._IsEnabled || textEditor.IsReadOnly || !textEditor.AcceptsRichContent || !(textEditor.Selection is TextSelection))
{
return;
}
TextEditorTyping._FlushPendingInputItems(textEditor);
TextEditorSelection._ClearSuggestedX(textEditor);
if (args.Command == EditingCommands.InsertTable)
{
((TextSelection)textEditor.Selection).InsertTable(4, 4);
return;
}
if (args.Command == EditingCommands.InsertRows)
{
((TextSelection)textEditor.Selection).InsertRows(1);
return;
}
if (args.Command == EditingCommands.InsertColumns)
{
((TextSelection)textEditor.Selection).InsertColumns(1);
return;
}
if (args.Command == EditingCommands.DeleteRows)
{
((TextSelection)textEditor.Selection).DeleteRows();
return;
}
if (args.Command == EditingCommands.DeleteColumns)
{
((TextSelection)textEditor.Selection).DeleteColumns();
return;
}
if (args.Command == EditingCommands.MergeCells)
{
((TextSelection)textEditor.Selection).MergeCells();
return;
}
if (args.Command == EditingCommands.SplitCell)
{
((TextSelection)textEditor.Selection).SplitCell(1000, 1000);
}
}
internal static void Paste(TextEditor This)
{
if (!SecurityHelper.CallerHasAllClipboardPermission())
{
return;
}
if (This.Selection.IsTableCellRange)
{
return;
}
TextEditorTyping._FlushPendingInputItems(This);
TextEditorTyping._BreakTypingSequence(This);
IDataObject dataObject;
try
{
dataObject = Clipboard.GetDataObject();
}
catch (ExternalException)
{
dataObject = null;
}
bool coversEntireContent = This.Selection.CoversEntireContent;
if (dataObject != null)
{
using (This.Selection.DeclareChangeBlock())
{
TextEditorSelection._ClearSuggestedX(This);
if (TextEditorCopyPaste._DoPaste(This, dataObject, false))
{
This.Selection.SetCaretToPosition(This.Selection.End, LogicalDirection.Backward, false, true);
if (This.Selection is TextSelection)
{
((TextSelection)This.Selection).ClearSpringloadFormatting();
}
}
}
}
if (coversEntireContent)
{
This.Selection.ValidateLayout();
}
}
//------------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
#region Private Methods
private static void OnTableCommand(object target, ExecutedRoutedEventArgs args)
{
TextEditor This = TextEditor._GetTextEditor(target);
if (This == null || !This._IsEnabled || This.IsReadOnly || !This.AcceptsRichContent || !(This.Selection is TextSelection))
{
return;
}
TextEditorTyping._FlushPendingInputItems(This);
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// Execute the command
if (args.Command == EditingCommands.InsertTable)
{
((TextSelection)This.Selection).InsertTable(/*rowCount:*/ 4, /*columnCount:*/ 4);
}
else if (args.Command == EditingCommands.InsertRows)
{
((TextSelection)This.Selection).InsertRows(+1);
}
else if (args.Command == EditingCommands.InsertColumns)
{
((TextSelection)This.Selection).InsertColumns(+1);
}
else if (args.Command == EditingCommands.DeleteRows)
{
((TextSelection)This.Selection).DeleteRows();
}
else if (args.Command == EditingCommands.DeleteColumns)
{
((TextSelection)This.Selection).DeleteColumns();
}
else if (args.Command == EditingCommands.MergeCells)
{
((TextSelection)This.Selection).MergeCells();
}
else if (args.Command == EditingCommands.SplitCell)
{
((TextSelection)This.Selection).SplitCell(1000, 1000); // Split all ways to possible maximum
}
}
// Token: 0x0600387D RID: 14461 RVA: 0x000FD1BC File Offset: 0x000FB3BC
internal static void SetCaretPositionOnMouseEvent(TextEditor This, Point mouseDownPoint, MouseButton changedButton, int clickCount)
{
ITextPointer textPositionFromPoint = This.TextView.GetTextPositionFromPoint(mouseDownPoint, true);
if (textPositionFromPoint == null)
{
TextEditorMouse.MoveFocusToUiScope(This);
return;
}
TextEditorSelection._ClearSuggestedX(This);
TextEditorTyping._BreakTypingSequence(This);
if (This.Selection is TextSelection)
{
((TextSelection)This.Selection).ClearSpringloadFormatting();
}
This._forceWordSelection = false;
This._forceParagraphSelection = false;
if (changedButton == MouseButton.Right || clickCount == 1)
{
if (changedButton != MouseButton.Left || !This._dragDropProcess.SourceOnMouseLeftButtonDown(mouseDownPoint))
{
This.Selection.SetSelectionByMouse(textPositionFromPoint, mouseDownPoint);
return;
}
}
else
{
if (clickCount == 2 && (Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.None && This.Selection.IsEmpty)
{
This._forceWordSelection = true;
This._forceParagraphSelection = false;
This.Selection.SelectWord(textPositionFromPoint);
return;
}
if (clickCount == 3 && (Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.None && This.AcceptsRichContent)
{
This._forceParagraphSelection = true;
This._forceWordSelection = false;
This.Selection.SelectParagraph(textPositionFromPoint);
}
}
}
//------------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
#region Private Methods
// ................................................................
//
// Editing Commands: Character Editing
//
// ................................................................
private static void OnResetFormat(object target, ExecutedRoutedEventArgs args)
{
TextEditor This = TextEditor._GetTextEditor(target);
if (This == null || !This._IsEnabled || This.IsReadOnly || !This.AcceptsRichContent || !(This.Selection.Start is TextPointer))
{
return;
}
TextEditorTyping._FlushPendingInputItems(This);
using (This.Selection.DeclareChangeBlock())
{
// Positions to clear all inline formatting properties
TextPointer startResetFormatPosition = (TextPointer)This.Selection.Start;
TextPointer endResetFormatPosition = (TextPointer)This.Selection.End;
if (This.Selection.IsEmpty)
{
TextSegment autoWordRange = TextRangeBase.GetAutoWord(This.Selection);
if (autoWordRange.IsNull)
{
// Clear springloaded formatting
((TextSelection)This.Selection).ClearSpringloadFormatting();
return;
}
else
{
// If we have a word, apply reset format to it
startResetFormatPosition = (TextPointer)autoWordRange.Start;
endResetFormatPosition = (TextPointer)autoWordRange.End;
}
}
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// Clear all inline formattings
TextRangeEdit.CharacterResetFormatting(startResetFormatPosition, endResetFormatPosition);
}
}
// Token: 0x06003835 RID: 14389 RVA: 0x000FA980 File Offset: 0x000F8B80
internal static void _OnApplyProperty(TextEditor This, DependencyProperty formattingProperty, object propertyValue, bool applyToParagraphs, PropertyValueAction propertyValueAction)
{
if (This == null || !This._IsEnabled || This.IsReadOnly || !This.AcceptsRichContent || !(This.Selection is TextSelection))
{
return;
}
if (!TextSchema.IsParagraphProperty(formattingProperty) && !TextSchema.IsCharacterProperty(formattingProperty))
{
Invariant.Assert(false, "The property '" + formattingProperty.Name + "' is unknown to TextEditor");
return;
}
TextSelection textSelection = (TextSelection)This.Selection;
if (TextSchema.IsStructuralCharacterProperty(formattingProperty) && !TextRangeEdit.CanApplyStructuralInlineProperty(textSelection.Start, textSelection.End))
{
return;
}
TextEditorTyping._FlushPendingInputItems(This);
TextEditorSelection._ClearSuggestedX(This);
TextEditorTyping._BreakTypingSequence(This);
textSelection.ApplyPropertyValue(formattingProperty, propertyValue, applyToParagraphs, propertyValueAction);
}
/// <summary>
/// Paste worker.
/// </summary>
internal static void Paste(TextEditor This)
{
if (This.Selection.IsTableCellRange)
{
// We do not support clipboard for table selection so far
// Word behavior: When source range is text segment then this segment is pasted
// into each table cell overriding its current content.
// If source range is table range then it is repeated on target -
// cell by cell in circular manner.
return;
}
TextEditorTyping._FlushPendingInputItems(This);
TextEditorTyping._BreakTypingSequence(This);
// Get DataObject from the Clipboard
IDataObject dataObject;
try
{
dataObject = Clipboard.GetDataObject();
}
catch (ExternalException)
{
// Clipboard is failed to get the data object.
// One of reason should be the opening fail of Clipboard by the destroyed hwnd.
dataObject = null;
// must re-throw ???
}
bool forceLayoutUpdate = This.Selection.CoversEntireContent;
if (dataObject != null)
{
using (This.Selection.DeclareChangeBlock())
{
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// _DoPaste raises a public event -- could raise recoverable exception.
if (TextEditorCopyPaste._DoPaste(This, dataObject, /*isDragDrop:*/ false))
{
// Collapse selection to the end
// Use backward direction to stay oriented towards pasted content
This.Selection.SetCaretToPosition(This.Selection.End, LogicalDirection.Backward, /*allowStopAtLineEnd:*/ false, /*allowStopNearSpace:*/ true);
// Clear springload formatting
if (This.Selection is TextSelection)
{
((TextSelection)This.Selection).ClearSpringloadFormatting();
}
}
} // PUBLIC EVENT RAISED HERE AS CHANGEBLOCK CLOSES!
}
// If we replaced the entire document content, background layout will
// kick in. Force it to complete now.
if (forceLayoutUpdate)
{
This.Selection.ValidateLayout();
}
}
internal static void Paste(TextEditor This)
{
// Don't try anything if the caller doesn't have the rights to read from the clipboard...
if (!SecurityHelper.CallerHasAllClipboardPermission())
{
return;
}
if (This.Selection.IsTableCellRange)
{
//
return;
}
TextEditorTyping._FlushPendingInputItems(This);
TextEditorTyping._BreakTypingSequence(This);
// Get DataObject from the Clipboard
IDataObject dataObject;
try
{
dataObject = Clipboard.GetDataObject();
}
catch (ExternalException)
{
// Clipboard is failed to get the data object.
// One of reason should be the opening fail of Clipboard by the destroyed hwnd.
dataObject = null;
//
}
bool forceLayoutUpdate = This.Selection.CoversEntireContent;
if (dataObject != null)
{
using (This.Selection.DeclareChangeBlock())
{
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// _DoPaste raises a public event -- could raise recoverable exception.
if (TextEditorCopyPaste._DoPaste(This, dataObject, /*isDragDrop:*/ false))
{
// Collapse selection to the end
// Use backward direction to stay oriented towards pasted content
This.Selection.SetCaretToPosition(This.Selection.End, LogicalDirection.Backward, /*allowStopAtLineEnd:*/ false, /*allowStopNearSpace:*/ true);
// Clear springload formatting
if (This.Selection is TextSelection)
{
((TextSelection)This.Selection).ClearSpringloadFormatting();
}
}
} // PUBLIC EVENT RAISED HERE AS CHANGEBLOCK CLOSES!
}
// If we replaced the entire document content, background layout will
// kick in. Force it to complete now.
if (forceLayoutUpdate)
{
This.Selection.ValidateLayout();
}
}
private void ChangeCase(bool upper)
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
// Specifically select an MText object
var peo = new PromptEntityOptions(string.Format("\nSelect MText to change to {0}case: ", upper ? "upper" : "lower"));
peo.SetRejectMessage("\nObject must be MText.");
peo.AddAllowedClass(typeof(MText), false);
PromptEntityResult per = ed.GetEntity(peo);
if (per.Status != PromptStatus.OK)
{
return;
}
Transaction tr = doc.TransactionManager.StartTransaction();
using (tr)
{
// We only need our MText open for read
DBObject obj = tr.GetObject(per.ObjectId, OpenMode.ForRead, false);
MText mt = obj as MText;
if (mt == null)
{
return;
}
// Create a text editor object for the MText
TextEditor te = TextEditor.CreateTextEditor(mt);
if (te == null)
{
return;
}
// Select the entire contents of the MText
te.SelectAll();
TextEditorSelection sel = te.Selection;
if (sel == null)
{
return;
}
// Check whether we can change the selection's
// case, and then do so
if (sel.CanChangeCase)
{
if (upper)
{
sel.ChangeToUppercase();
}
else
{
sel.ChangeToLowercase();
}
}
// Be sure to save the results from the editor
te.Close(TextEditor.ExitStatus.ExitSave);
tr.Commit();
}
}
