public StylusEntry(DrawingAttributes atts, StylusModel stylus, string toolTipText, PenType pt)
{
if (atts == null)
throw new ArgumentNullException("atts");
if (stylus == null)
throw new ArgumentNullException("stylus");
this.DrawingAttributes = atts;
this.Stylus = stylus;
this.ToolTipText = toolTipText;
this.PenType = pt;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="dispatcher">The event queue</param>
/// <param name="stylus">The stylus model</param>
/// <param name="model">The presenter model</param>
public StylusToolBarButton(ControlEventQueue dispatcher, StylusModel stylus, PresenterModel model)
{
this.m_EventQueue = dispatcher;
this.m_Stylus = stylus;
this.m_Model = model;
this.m_StylusChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.m_EventQueue, new PropertyEventHandler(this.HandleStylusChanged));
this.m_Model.Changed["Stylus"].Add(this.m_StylusChangedDispatcher.Dispatcher);
// Initialize the Pushed state.
this.m_StylusChangedDispatcher.Dispatcher(null, null);
}
public PresenterModel()
{
this.m_Stylus = null;
this.m_CurrentResult = null;
this.m_Network = new NetworkModel();
this.m_VersionExchange = new VersionExchangeModel();
/// Note: We currently assume that the ParticipantModel Guid will be different for each application invocation.
/// (In particular TCP reconnection relies on this assumption.) If we need an identifer that persists across
/// sessions, we'd need to create a new identifier for this.
ParticipantId = Guid.NewGuid();
this.m_Participant = new ParticipantModel(ParticipantId, System.Windows.Forms.SystemInformation.UserName);
this.m_Workspace = new WorkspaceModel();
this.m_Undo = new UndoModel();
this.m_ViewerState = new ViewerStateModel();
this.m_PenState = new PenStateModel();
TheInstance = this;
}
/// <summary>
/// Handle the stylus changing
/// </summary>
/// <param name="sender">The event sender</param>
/// <param name="args">The event arguments</param>
private void HandleStylusChanged(object sender, PropertyEventArgs args)
{
bool enable;
Color color;
using(Synchronizer.Lock(this.m_Model.SyncRoot)) {
if(this.m_Model.Stylus != null && this.m_Table.ContainsKey(this.m_Model.Stylus)) {
using( Synchronizer.Lock( this.m_Model.Stylus.SyncRoot ) ) {
color = this.m_Model.Stylus.DrawingAttributes.Color;
}
using (Synchronizer.Lock(this.m_Model.ViewerState.SyncRoot)) {
if (this.m_Model.ViewerState.UseLightColorSet) {
if (color == Color.Black) {
color = Color.White;
} else if (color == Color.Red) {
color = Color.Pink;
} else if (color == Color.Green) {
color = Color.LightGreen;
} else if (color == Color.Blue) {
color = Color.LightBlue;
}
} else {
if (color == Color.White) {
color = Color.Black;
} else if (color == Color.LightBlue) {
color = Color.Blue;
} else if (color == Color.Pink) {
color = Color.Red;
} else if (color == Color.LightGreen) {
color = Color.Green;
}
}
}
using( Synchronizer.Lock( this.m_Model.Stylus.SyncRoot ) ) {
if (color != this.m_Model.Stylus.DrawingAttributes.Color)
this.m_Model.Stylus.DrawingAttributes.Color = color;
}
// In addition to enabling the button, update the current stylus
// and DrawingAttributes (possibly causing redrawing the bitmap).
this.m_CurrentStylus = this.m_Model.Stylus;
this.HandleDrawingAttributesChanged(this.m_Model.Stylus, null);
enable = true;
} else {
enable = false;
}
}
this.Enabled = enable;
}
/// <summary>
/// Handle the stylus changing
/// </summary>
/// <param name="sender">The event sender</param>
/// <param name="args">The event args</param>
private void HandleStylusChanged( object sender, PropertyEventArgs args )
{
bool enable;
using( Synchronizer.Lock( this.m_Model.SyncRoot ) ) {
if( this.m_Model.Stylus != null && this.m_Table.ContainsKey( this.m_Model.Stylus ) ) {
// In addition to enabling the button, update the current stylus
// and DrawingAttributes (possibly causing redrawing the bitmap).
if (m_Model.Stylus is PenStylusModel) {
this.m_CurrentStylus = (PenStylusModel)this.m_Model.Stylus;
} else {
this.m_CurrentStylus = (TextStylusModel)this.m_Model.Stylus;
}
this.HandleDrawingAttributesChanged( this.m_Model.Stylus, null );
enable = true;
} else {
enable = false;
}
}
this.Enabled = enable;
}
/// <summary>
/// Updates the current stylus, registers and unregisters event listeners, and
/// creates the edit textboxes when the current stylus is a TextStylusModel.
/// </summary>
private void SetCurrentStylus(StylusModel stylus)
{
// Unregister any existing event listeners.
if (current_stylus_ != null)
current_stylus_.Changed["DrawingAttributes"].Remove(stylus_color_listener_.Dispatcher);
current_stylus_ = stylus;
if( current_stylus_ != null && stylus_color_listener_ != null )
current_stylus_.Changed["DrawingAttributes"].Add( stylus_color_listener_.Dispatcher );
///only change text settings if our page can be edited.
///and if we actually have a slide :P
///
if (!editable_page_ || this.Slide == null) {
return;
}
if (current_text_helper_ != null) {
current_text_helper_.Dispose();
}
if (current_image_helper_ != null) {
current_image_helper_.Dispose();
}
// Change UI if we are dealing with Images (change cursor, add collection helper
if (stylus is ImageStylusModel) {
this.Cursor = Cursors.Default;
current_image_helper_ = new ImageItCollectionHelper(this, this.Slide);
} else if (stylus is EraserStylusModel) {
// Use an eraser cursor when the eraser is selected.
this.Cursor = Cursors.Cross;
} else {
this.Cursor = Cursors.Default;
}
// Change UI if we are going to be adding text.
if (stylus is TextStylusModel) {
///we are in text editing mode, so we need to change the stylus and editing mode
editing_text_ = true;
this.Cursor = Cursors.IBeam;
//Remove the sheets that just represent empty text boxes.
for (int i = Slide.AnnotationSheets.Count - 1; i >= 0; i--) {
bool remove = false;
SheetModel s = Slide.AnnotationSheets[i];
using (Synchronizer.Lock(s.SyncRoot)) {
if (s is TextSheetModel) {
using (Synchronizer.Lock(((TextSheetModel)(s)).Text)) {
if (((TextSheetModel)(s)).Text == "") {
remove = true;
}
}
}
}
if (remove) {
using (Synchronizer.Lock(Slide.SyncRoot)) {
using (Synchronizer.Lock(Slide.AnnotationSheets)) {
Slide.AnnotationSheets.Remove(s);
}
}
}
}
current_text_helper_ = new TextItBoxCollectionHelper(this, this.Slide);
TextStylusModel.GetInstance().Changed["Font"].Add(this.HandleStylusFontChanged);
} else {
editing_text_ = false;
}
}
internal StylusData(StylusModel stylus, DrawingAttributes atts)
{
this.m_Stylus = stylus;
this.m_DrawingAttributes = atts;
}
private void HandleStylusChanged(object sender, PropertyEventArgs args)
{
using(Synchronizer.Lock(this.m_Model.SyncRoot)) {
this.Stylus = this.m_Model.Stylus;
}
}
protected virtual void Dispose(bool disposing)
{
if(this.m_Disposed) return;
if(disposing) {
this.m_Model.Changed["Stylus"].Remove(new PropertyEventHandler(this.HandleStylusChanged));
// Unregister the stylus event listeners via the Stylus setter.
this.Stylus = null;
}
this.m_Disposed = true;
}