/// <summary>
/// Used to setup the ViewLineDiff view that shows only 2 lines over each other
/// representing the currently active line from the left/right side views under
/// each other.
/// </summary>
/// <param name="lineOneVM"></param>
/// <param name="lineTwoVM"></param>
/// <param name="spacesPerTab"></param>
internal void SetData(IDiffLineViewModel lineOneVM,
IDiffLineViewModel lineTwoVM,
int spacesPerTab)
{
_spacesPerTab = spacesPerTab;
var documentLineDiffs = new List <IDiffLineViewModel>();
string text = string.Empty;
if (lineOneVM != null && lineOneVM.LineEditScriptSegmentsIsDirty == true)
{
lineOneVM.GetChangeEditScript(this.ChangeDiffOptions, spacesPerTab);
}
if (lineTwoVM != null && lineTwoVM.LineEditScriptSegmentsIsDirty == true)
{
lineTwoVM.GetChangeEditScript(this.ChangeDiffOptions, spacesPerTab);
}
if (lineOneVM != null && lineTwoVM != null)
{
documentLineDiffs.Add(lineOneVM);
text += lineOneVM.Text + '\n';
documentLineDiffs.Add(lineTwoVM);
text += lineTwoVM.Text + "\n";
}
text = text.Replace("\t", " ");
// Update LineInfo viewmodels
_DocLineDiffs.Clear();
_DocLineDiffs.AddRange(documentLineDiffs, NotifyCollectionChangedAction.Reset);
// Update text document
Document = new TextDocument(text);
NotifyPropertyChanged(() => DocLineDiffs);
NotifyPropertyChanged(() => Document);
}
/// <summary>
/// Update the 2 line display (ViewLineDiff) that contains the display
/// of the currently selected line in 2 rows rather than side by side.
/// </summary>
private void UpdateViewLineDiff(int spacesPerTab)
{
// Determine zero based current cursor position in line n
int line = Math.Max(0, SynchronizedLine - 1);
if (line == this.currentDiffLine)
{
return;
}
this.currentDiffLine = line;
IDiffLineViewModel lineOneVM = null;
IDiffLineViewModel lineTwoVM = null;
lineOneVM = (this.ViewA as DiffSideViewModel).GetLine(line);
lineTwoVM = (this.ViewB as DiffSideViewModel).GetLine(line);
if (lineOneVM != null && lineTwoVM != null)
{
this._ViewLineDiff.SetData(lineOneVM, lineTwoVM, spacesPerTab);
}
}
