void InitializeState(EditorPositionState state)
{
textEditorControl.TextEditor.ScrollToVerticalOffset(state.VerticalOffset);
textEditorControl.TextEditor.ScrollToHorizontalOffset(state.HorizontalOffset);
textEditorControl.TextEditor.TextArea.Caret.Position = state.TextViewPosition;
textEditorControl.TextEditor.TextArea.Caret.DesiredXPos = state.DesiredXPos;
}
void TextEditor_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
{
textEditorControl.TextEditor.IsVisibleChanged -= TextEditor_IsVisibleChanged;
if (cachedEditorPositionState == null)
{
return;
}
InitializeState(cachedEditorPositionState);
cachedEditorPositionState = null;
}
void TextEditor_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
{
textEditorControl.TextEditor.IsVisibleChanged -= TextEditor_IsVisibleChanged;
if (cachedEditorPositionState == null)
return;
InitializeState(cachedEditorPositionState);
cachedEditorPositionState = null;
}
void InitializeState(EditorPositionState state)
{
textEditorControl.TextEditor.ScrollToVerticalOffset(state.VerticalOffset);
textEditorControl.TextEditor.ScrollToHorizontalOffset(state.HorizontalOffset);
textEditorControl.TextEditor.TextArea.Caret.Position = state.TextViewPosition;
textEditorControl.TextEditor.TextArea.Caret.DesiredXPos = state.DesiredXPos;
}
public void Deserialize(object obj)
{
var state = obj as EditorPositionState;
if (state == null)
return;
// It can't scroll until it's gotten its scrollviewer
if (textEditorControl.TextEditor.Template == null) {
bool start = cachedEditorPositionState == null;
cachedEditorPositionState = state;
if (start) {
textEditorControl.TextEditor.IsVisibleChanged -= TextEditor_IsVisibleChanged;
textEditorControl.TextEditor.IsVisibleChanged += TextEditor_IsVisibleChanged;
}
}
else
InitializeState(state);
}