/// <summary>
/// triggered in Disposing DataUpdateMonitor, or called directly by anything that calls OnAboutToModify
/// or OnAboutToEdit directly when not using a DUM.
/// </summary>
public void OnFinishedEdit()
{
if (m_segDefn_note == 0)
return; // in-memory testing.
// in case these get called out of the preferred order, make sure we move annotations to a new
// paragraph before we reparse the text here.
EndKeyPressed();
if (m_cbasToDel.Count > 0)
{
// delete annotations that will no longer be used.
DeleteCalculatedAnnotations(m_cbasToDel);
m_cbasToDel.Clear();
}
m_annsToMoveFromDeletedParagraph.Clear();
m_movedAnnsFromAfterInsertBreak.Clear();
m_annotationsToDelete.Clear();
bool fDidTextChange = false;
if (m_anchorTextInfo != null && m_BtWs != 0)
{
fDidTextChange = m_anchorTextInfo.HandleMajorTextChange(m_BtWs);
if (m_endpointTextInfo != null)
fDidTextChange |= m_endpointTextInfo.HandleMajorTextChange(m_BtWs);
if (!fDidTextChange && m_fSegSeqChanged)
m_anchorTextInfo.HandleMajorParaChange(m_BtWs);
}
// If things changed this drastically we'd better refresh (see e.g. TE-7884, TE-7904)
if (m_cache.ActionHandlerAccessor != null && m_parseOnUndoAction != null && m_parseOnUndoAction.RecordDoneState())
m_cache.ActionHandlerAccessor.AddAction(RestoreSegmentsUndoAction.CreateForRedo(m_parseOnUndoAction));
m_anchorTextInfo = null; // disable monitoring changes until we record a new relevant start state.
}
/// <summary>
/// Create an empty one to be stuck at the beginning of the task for Undo. Passed zero, one, or two
/// TextStateInfo objects with the information about the endpoints. Info2 is always null if info1 is.
/// </summary>
public static RestoreSegmentsUndoAction CreateForUndo(FdoCache cache, TextStateInfo info1, TextStateInfo info2)
{
RestoreSegmentsUndoAction result = new RestoreSegmentsUndoAction();
result.m_cache = cache;
result.m_fForRedo = false;
if (info2 != null)
result.m_textStateInfo = new TextStateInfo[] {info1, info2};
else if (info1 != null)
result.m_textStateInfo = new TextStateInfo[] {info1};
else
result.m_textStateInfo = new TextStateInfo[0];
return result;
}
/// <summary>
/// Set up TextStateInfo as we would for a selection entirely in the specified object,
/// if it is a paragraph. Make sure to call OnFinishedEdit.
/// </summary>
public void OnAboutToModify(FdoCache cache, int hvoObj)
{
if (m_segDefn_note == 0)
return; // in-memory testing.
m_endpointTextInfo = null;
m_anchorTextInfo = TextStateInfo.Create(cache, hvoObj);
CommonInit();
}
/// <summary>
/// Create one (or return null) pertaining to a single paragraph.
/// Returns null if it is not an StTxtPara.
/// This should be used only for edits that will definitely NOT change the sequence of paragraphs.
/// </summary>
static public TextStateInfo Create(FdoCache cache, int hvoObj)
{
CmObject obj = CmObject.CreateFromDBObject(cache, hvoObj) as CmObject;
if (!(obj is StTxtPara))
return null;
StText text = obj.Owner as StText;
if (!(text is StText))
return null; // paranoia!
TextStateInfo result = new TextStateInfo();
result.m_stText = text;
result.m_hvoPara = hvoObj;
result.m_paras.Add(new ParaStateInfo(obj as StTxtPara));
result.m_tssAnchorText = (obj as StTxtPara).Contents.UnderlyingTsString;
result.m_fCheckOtherParasOfText = false;
return result;
}
/// <summary>
/// Create one from the specified end of the selection. If that end is not in a
/// relevant property return null. Also return null if in the same StText as
/// hvoOther.
/// </summary>
/// <param name="info"></param>
/// <param name="fEndPoint"></param>
static public TextStateInfo Create(TextSelInfo info, bool fEndPoint, FdoCache cache, int hvoOther)
{
int offset = 0; // in the SelInfoStack
if (info.Tag(fEndPoint) == kflidContents)
{
if (info.Levels(fEndPoint) < 2)
return null;
}
else
{
// One other case we need to handle is an embedded picture, because deleting it will modify the string.
if (!info.IsPicture || info.Levels(false) < 3 || info.ContainingObjectTag(1) != kflidContents)
return null;
offset = 1; // one more level for the picture.
}
int hvoStText = info.ContainingObject(1 + offset, fEndPoint);
if (hvoStText == hvoOther)
return null;
TextStateInfo result = new TextStateInfo();
result.m_stText = CmObject.CreateFromDBObject(cache, hvoStText) as StText;;
result.m_hvoPara = info.ContainingObject(offset, fEndPoint);
foreach (StTxtPara para in result.m_stText.ParagraphsOS)
result.m_paras.Add(new ParaStateInfo(para));
result.m_tssAnchorText = cache.GetTsStringProperty(result.m_hvoPara, kflidContents);
result.m_fCheckOtherParasOfText = true;
return result;
}
private bool m_fSegSeqChanged; // Set true if something changes the sequence of segment objects on a paragraph.
/// <summary>
/// Saves some extra information for use in OnFinishedEdit. Make sure to call that, unless setting up
/// a DataUpdateMonitor which will do so.
/// </summary>
public void OnAboutToEdit()
{
m_fSegSeqChanged = false;
if (m_segDefn_note == 0)
return; // in-memory testing.
TextSelInfo info = m_parentEditingHelper.TextSelInfoBeforeEdit;
m_anchorTextInfo = TextStateInfo.Create(info, false, m_cache, 0);
if (m_anchorTextInfo != null)
m_endpointTextInfo = TextStateInfo.Create(info, true, m_cache, m_anchorTextInfo.HvoText);
else
m_endpointTextInfo = null;
CommonInit();
}