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 TreeView_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
TreeViewItem oldTVI = e.OldValue as TreeViewItem;
TreeViewItem newTVI = e.NewValue as TreeViewItem;
//Console.WriteLine("OLD: " + oldTVI + ", NEW: " + newTVI);
if (newTVI == null || newTVI.Tag == null)
{
return;
}
Cursor = Cursors.Wait;
Content oldContent = CurrentContent;
Content newContent = (newTVI.Tag is ImageBlock ? (newTVI.Tag as ImageBlock).Content : newTVI.Tag as Content);
if (oldContent != newContent)
{
Paragraphs.Clear();
if (CurrentContent != null)
{
foreach (Block block in CurrentContent.Blocks)
{
foreach (Sentence sentence in block.Sentences)
{
sentence.ClearCachedSound();
}
}
}
if (SelectedTVI != null)
{
SelectedTVI.Background = ProjectProperties.Transparent;
}
foreach (TreeViewItem tvi in _AllContentsTVI.Items)
{
if (tvi.Tag == oldContent)
{
tvi.Background = ProjectProperties.Transparent;
}
}
CurrentState = State.Stop;
SelectedTVI = newTVI;
CurrentContent = newContent;
//Console.WriteLine("Sentences Count = " + CurrentContent.TotalSentences);
foreach (Block block in CurrentContent.Blocks)
{
Paragraph paragraph = new Paragraph();
Paragraphs.Add(paragraph);
if (block is ImageBlock)
{
RunImage image = new RunImage(block as ImageBlock);
InitiateRun(image);
paragraph.Inlines.Add(image);
continue;
}
foreach (Sentence sentence in block.Sentences)
{
//Console.WriteLine("S: " + sentence.ID);
sentence.GetCachedSound();
foreach (Word word in sentence.Words)
{
RunWord run = new RunWord(word);
paragraph.Inlines.Add(run);
InitiateRun(run);
}
}
}
SelectedTVI.Background = ProjectProperties.SelectedContent;
foreach (TreeViewItem tvi in _AllContentsTVI.Items)
{
if (tvi.Tag == newContent)
{
tvi.Background = ProjectProperties.SelectedContent;
}
}
PageTeller.Text = (1 + ProjectInfo.Contents.IndexOf(CurrentContent)) + " / " + ProjectInfo.Contents.Count;
}
if (newTVI.Tag is ImageBlock)
{
RunImage runImg = (newTVI.Tag as ImageBlock).Run;
runImg.Select();
runImg.BringIntoView();
}
else if (CurrentARun == null)
{
SelectFirstRunWord();
}
else
{
CurrentARun.Select();
}
Cursor = Cursors.Arrow;
}
