private bool SelectFirstRunWord()
{
Paragraph firstParagraph = Paragraphs.FirstBlock as Paragraph;
if (firstParagraph == null)
{
return(false);
}
ARun firstWord = firstParagraph.Inlines.FirstInline as ARun;
if (IsPlayingOnlyText)
{
while (firstWord != null && firstWord.IsImage)
{
firstWord = firstWord.LogicalNext();
}
}
if (firstWord == null)
{
return(false);
}
firstWord.Select();
return(true);
}
private void Run_MouseLeave(object sender, MouseEventArgs e)
{
ARun run = sender as ARun;
switch (CurrentState)
{
case State.Stop:
run.Unhover();
break;
case State.Play:
run.Unhover();
break;
case State.Segment:
break;
case State.Edit:
run.Unhover();
break;
case State.Caption:
break;
}
}
private void InitiateRun(ARun run)
{
if (run is RunImage)
{
foreach (RunWord iRun in (run as RunImage).RunWords)
{
InitiateRun(iRun);
}
}
run.MouseEnter += Run_MouseEnter;
run.MouseLeave += Run_MouseLeave;
run.MouseMove += Run_MouseMove;
run.MouseLeftButtonDown += Run_MouseLeftButtonDown;
}
private void Run_MouseMove(object sender, MouseEventArgs e)
{
ARun run = sender as ARun;
switch (CurrentState)
{
case State.Stop:
run.Cursor = Cursors.Hand;
break;
case State.Play:
run.Cursor = Cursors.Hand;
break;
case State.Segment:
if (run is RunImage)
{
run.Cursor = Cursors.Hand;
break;
}
RichTextBox rtb = run.IsImage ? ImageCaptionRTB : BookContentRTB;
rtb.Focus();
TextPointer pointer = rtb.GetPositionFromPoint(e.GetPosition(run), false);
rtb.CaretPosition = pointer;
TextPointerContext contextPrev = pointer.GetPointerContext(GoBackward);
TextPointerContext contextNext = pointer.GetPointerContext(GoForward);
if (contextNext == TextPointerContext.ElementEnd || contextPrev == TextPointerContext.ElementStart)
{
run.Cursor = Cursors.No;
}
else if (contextNext == contextPrev && contextNext == TextPointerContext.Text)
{
run.Cursor = Cursors.UpArrow;
}
else
{
run.Cursor = Cursors.Arrow;
}
break;
case State.Edit:
run.Cursor = Cursors.Hand;
break;
case State.Caption:
break;
}
}
private bool SelectPreviousRunWord()
{
if (CurrentRunWord == null)
{
return(false);
}
ARun prevRun = CurrentARun.LogicalPrevious();
if (IsPlayingOnlyText)
{
while (prevRun != null && prevRun.IsImage)
{
prevRun = prevRun.LogicalPrevious();
}
}
if (prevRun == null)
{
return(false);
}
prevRun.Select();
return(true);
}
private bool SelectNextRunWord()
{
if (CurrentRunWord == null)
{
return(false);
}
ARun nextRun = CurrentARun.LogicalNext();
if (IsPlayingOnlyText)
{
while (nextRun != null && nextRun.IsImage)
{
nextRun = nextRun.LogicalNext();
}
}
if (nextRun == null)
{
return(false);
}
nextRun.Select();
return(true);
}
private void Run_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
ARun run = sender as ARun;
run.Cursor = Cursors.Wait;
switch (CurrentState)
{
case State.Stop:
if (e.ClickCount == 1)
{
run.Select();
run.PlayCachedSound();
}
else if (e.ClickCount == 2)
{
StopSound();
run.Select();
if (run is RunWord)
{
CurrentState = State.Edit;
}
}
break;
case State.Play:
if (e.ClickCount == 1)
{
CurrentState = State.Stop;
StopSound();
run.Select();
run.PlayCachedSound();
}
else if (e.ClickCount == 2)
{
StopSound();
run.Select();
if (run is RunWord)
{
CurrentState = State.Edit;
}
}
break;
case State.Segment:
if (e.ClickCount == 1)
{
if (run is RunImage)
{
run.Select();
break;
}
RunWord curRun = run as RunWord;
RichTextBox rtb = curRun.IsImage ? ImageCaptionRTB : BookContentRTB;
TextPointer curPointer = rtb.GetPositionFromPoint(e.GetPosition(run), false);
if (curPointer == null)
{
return;
}
TextPointerContext contextPrev = curPointer.GetPointerContext(GoBackward);
TextPointerContext contextNext = curPointer.GetPointerContext(GoForward);
// MERGE
if (contextNext == TextPointerContext.ElementEnd)
{
curRun.MergeWithNext();
}
else if (contextPrev == TextPointerContext.ElementStart)
{
curRun.MergeWithPrev();
}
// SPLIT
else if (contextPrev == contextNext && contextNext == TextPointerContext.Text)
{
RunWord newRun = curRun.SplitAt(curPointer);
InitiateRun(newRun);
newRun.UpdateBackground();
//newRun.UpdateSegmentedBackground();
}
}
break;
case State.Edit:
if (e.ClickCount == 1)
{
CurrentState = State.Stop;
run.Select();
run.PlayCachedSound();
}
else if (e.ClickCount == 2)
{
run.Select();
if (run is RunWord)
{
CurrentState = State.Edit;
}
}
break;
case State.Caption:
break;
}
run.Cursor = Cursors.Hand;
}
