/// <summary>
/// This is the main entry point called by the setter on the StTxtPara.Contents used when the
/// GetDiffsInTsStrings is also needed by another method that is called.
/// </summary>
public static void AdjustAnalysis(IStTxtPara para, ITsString oldContents, TsStringDiffInfo diffInfo)
{
AnalysisAdjuster adjuster = new AnalysisAdjuster(para, oldContents, diffInfo);
BackTranslationAndFreeTranslationUpdateHelper.Do(para, adjuster.AdjustAnalysisInternal);
}
/// <summary>
/// Make one for adjusting the specified paragraph to its current contents from the specified
/// old contents
/// </summary>
private AnalysisAdjuster(IStTxtPara para, ITsString oldContents, TsStringDiffInfo diffInfo)
{
m_para = para;
m_oldContents = oldContents;
m_newContents = m_para.Contents;
m_changedFontOnly = false;
if(diffInfo != null && ( diffInfo.IchFirstDiff != 0 || diffInfo.CchDeleteFromOld != diffInfo.CchInsert ||
m_oldContents == null || m_newContents == null || m_oldContents.Length == 0 ||
!m_oldContents.GetChars(0, m_oldContents.Length).Equals(m_newContents.GetChars(0, m_newContents.Length))))
{
m_paraDiffInfo = diffInfo;
}
else
{
//We didn't really change it, maybe the ws changed, but all the characters are identical
//let's let the user keep their analysis
m_paraDiffInfo = new TsStringDiffInfo(0, 0, 0);
m_changedFontOnly = true; // a flag to let later adjustment ops remember this
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Sets the contents of this StTxtPara for a specific change where we can determine the
/// difference better than the automated way.
/// </summary>
/// ------------------------------------------------------------------------------------
private void SetContentsInternal(ITsString newContents, TsStringDiffInfo diffInfo,
bool fAdjustAnalyses)
{
ITsString originalValue = m_Contents;
m_Contents = newContents;
((IServiceLocatorInternal)Services).UnitOfWorkService.RegisterObjectAsModified(this,
StTxtParaTags.kflidContents, originalValue, newContents);
OnContentsChanged(originalValue, m_Contents, diffInfo, fAdjustAnalyses);
}
private static void VerifyStringDiffs(ITsString tss1, ITsString tss2, TsStringDiffInfo diffInfoExpected, string id)
{
var diffInfo = TsStringUtils.GetDiffsInTsStrings(tss1, tss2);
if (diffInfoExpected == null)
Assert.Null(diffInfo, id);
else
{
Assert.NotNull(diffInfo, id);
Assert.AreEqual(diffInfoExpected.IchFirstDiff, diffInfo.IchFirstDiff, id + " ichMin");
Assert.AreEqual(diffInfoExpected.CchInsert, diffInfo.CchInsert, id + " cchIns");
Assert.AreEqual(diffInfoExpected.CchDeleteFromOld, diffInfo.CchDeleteFromOld, id + " cchDel");
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Virtual method to allow subclasses to handle the side effects of setting the
/// paragraph contents
/// </summary>
/// ------------------------------------------------------------------------------------
protected virtual void OnContentsChanged(ITsString originalValue, ITsString newValue,
TsStringDiffInfo diffInfo, bool fAdjustAnalyses)
{
if (Owner is StText)
((StText)Owner).OnParagraphContentsChanged(this, originalValue, newValue);
int oldSegmentCount = SegmentsOS.Count;
if (fAdjustAnalyses)
AnalysisAdjuster.AdjustAnalysis(this, originalValue, diffInfo);
MarkCharStylesInUse(diffInfo.IchFirstDiff, diffInfo.CchInsert);
if (SegmentsOS.Count < oldSegmentCount)
{
// A segment was removed. The removed segment could have some translated
// material that is now gone. This will mean that the CmTranslation and
// segmented translation are now out of sync. We can't do this code in
// RemoveObjectSideEffectsInternal() because at that point the segments
// are in an inconsistent state.
ICmTranslation bt = GetBT();
if (bt != null)
{
BackTranslationAndFreeTranslationUpdateHelper.Do(this,
() => ScriptureServices.UpdateMainTransFromSegmented(this,
bt.Translation.AvailableWritingSystemIds));
}
}
}
