C# SelectionHelper.ReduceToIp方法代码示例

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Inserts a footnote at the given selection
		/// </summary>
		/// <param name="selHelper">Current selection information</param>
		/// <param name="styleName">style name for created footnote</param>
		/// <param name="iFootnote">out: If selHelper is in vernacular para, the ihvo of the
		/// footnote just inserted. If selHelper is in back trans, the ihvo of the footnote
		/// corresponding to the ref ORC just inserted in the BT, or -1 no corresponding</param>
		/// <returns>The created/corresponding footnote</returns>
		/// ------------------------------------------------------------------------------------
		public virtual ScrFootnote InsertFootnote(SelectionHelper selHelper, string styleName,
			out int iFootnote)
		{
			CheckDisposed();

			// Get any selected text.
			ITsString tssSelected;
			IVwSelection vwsel = selHelper.Selection;
			if (IsSelectionInOneEditableProp(vwsel))
				vwsel.GetSelectionString(out tssSelected, string.Empty);
			else
				tssSelected = StringUtils.MakeTss(string.Empty, m_cache.DefaultVernWs);

			int hvoObj;
			ITsString tssPara;
			int propTag;
			int ws;
			selHelper.ReduceToIp(SelectionHelper.SelLimitType.Bottom, false, false);
			int ichSel = GetSelectionInfo(selHelper, out hvoObj, out propTag, out tssPara, out ws);

			if (propTag == (int)StTxtPara.StTxtParaTags.kflidContents)
				ws = Cache.DefaultVernWs;

			// get book info
			IScrBook book = GetCurrentBook(m_cache);
			// get paragraph info
			int paraHvo = selHelper.GetLevelInfoForTag((int)StText.StTextTags.kflidParagraphs).hvo;
			StTxtPara para = new StTxtPara(m_cache, paraHvo);

			if (tssSelected.Length > 0)
			{
				tssSelected = StringUtils.RemoveORCsAndStylesFromTSS(tssSelected,
					new List<string>(new string[] {ScrStyleNames.ChapterNumber, ScrStyleNames.VerseNumber}),
					false, m_cache.LanguageWritingSystemFactoryAccessor);
				if (tssSelected.Length > 0)
				{
					ITsStrBldr bldr = tssSelected.GetBldr();
					bldr.SetStrPropValue(0, bldr.Length, (int) FwTextPropType.ktptNamedStyle, ScrStyleNames.ReferencedText);
					bldr.ReplaceRgch(bldr.Length, bldr.Length, " ", 1, StyleUtils.CharStyleTextProps(null, ws));
					tssSelected = bldr.GetString();
				}
			}

			ScrFootnote footnote = null;
			string undo;
			string redo;
			if (styleName == ScrStyleNames.CrossRefFootnoteParagraph)
				TeResourceHelper.MakeUndoRedoLabels("kstidInsertCrossReference", out undo, out redo);
			else
				TeResourceHelper.MakeUndoRedoLabels("kstidInsertFootnote", out undo, out redo);
			using (UndoTaskHelper undoTaskHelper =
					  new UndoTaskHelper(Callbacks.EditedRootBox.Site, undo, redo, true))
			{
				try
				{
					if (propTag == (int)StTxtPara.StTxtParaTags.kflidContents)
					{
						// Inserting footnote into the vernacular paragraph
						iFootnote = FindFootnotePosition(book, selHelper);
						ITsStrBldr tsStrBldr = para.Contents.UnderlyingTsString.GetBldr();
						// create the footnote and insert its marker into the paragraph's string
						// builder.
						footnote = ScrFootnote.InsertFootnoteAt(book, styleName, iFootnote, tsStrBldr, ichSel);

						// BEFORE we insert the ORC in the paragraph, we need to insert an empty
						// paragraph into the new StFootnote, because the para style is needed to
						// determine the footnote marker type.
						StTxtPara footnotePara = new StTxtPara();
						footnote.ParagraphsOS.Append(footnotePara);
						// If we wait for this to be created by the VC, its creation won't be part of the
						// Undo task, and we won't be able to Undo creating the footnote, because the paragraph
						// will own something that Undo doesn't know to delete (TE-7988).
						footnotePara.GetOrCreateBT();
						ITsPropsBldr propsBldr = TsPropsBldrClass.Create();
						propsBldr.SetStrPropValue((int)FwTextPropType.ktptNamedStyle,
							styleName);
						footnotePara.StyleRules = propsBldr.GetTextProps();

						// Record information, as if we were typing the footnote caller, that allows
						// segment boundaries to be adjusted properly.
						OnAboutToEdit();

						// update the paragraph contents to include the footnote marker
						para.Contents.UnderlyingTsString = tsStrBldr.GetString();

						// Finish off any necessary annotation adjustments.
						m_annotationAdjuster.OnFinishedEdit();

						// Insert the selected text (or an empty run) into the footnote paragraph.
//.........这里部分代码省略.........

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// This is the workhorse that actually reduces a range selection to a simple insertion
		/// point, given the specified index to indicate the limit where the IP is to be
		/// created.
		/// </summary>
		/// <param name="limit">Specify Top to place the IP at the top-most limit of the
		/// selection. Specify Bottom to place the IP at the bottom-most limit of the selection.
		/// Specify Anchor to place the IP at the point where the user initiated the selection.
		/// Specify End to place the IP at the point where the user completed the selection. Be
		/// aware the user may select text in either direction, thus the end of the selection\
		/// could be visually before the anchor. For a simple insertion point or a selection
		/// entirely within a single StText, this parameter doesn't actually make any
		/// difference.</param>
		/// <param name="fMakeVisible">Indicates whether to scroll the IP into view.</param>
		/// <param name="fInstall">True to install the created selection, false otherwise</param>
		/// ------------------------------------------------------------------------------------
		protected virtual SelectionHelper ReduceSelectionToIp(SelLimitType limit, bool fMakeVisible,
			bool fInstall)
		{
			SelectionHelper textSelHelper = new SelectionHelper(this);
			textSelHelper.ReduceToIp(limit);

			// and make the selection
			if (fInstall)
				textSelHelper.SetSelection(m_rootSite, true, fMakeVisible);
			return textSelHelper;
		}

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Gets a (new) selection helper that represents an insertion point at the specified
		/// limit of this selection
		/// </summary>
		/// <param name="limit">Specify Top to place the IP at the top-most limit of the
		/// selection. Specify Bottom to place the IP at the bottom-most limit of the selection.
		/// Specify Anchor to place the IP at the point where the user initiated the selection.
		/// Specify End to place the IP at the point where the user completed the selection. Be
		/// aware the user may select text in either direction, thus the end of the selection\
		/// could be visually before the anchor. For a simple insertion point or a selection
		/// entirely within a single StText, this parameter doesn't actually make any
		/// difference.</param>
		/// <param name="fMakeVisible">Indicates whether to scroll the IP into view.</param>
		/// <param name="fInstall">True to install the created selection, false otherwise</param>
		/// ------------------------------------------------------------------------------------
		public virtual SelectionHelper ReduceSelectionToIp(SelLimitType limit, bool fMakeVisible,
			bool fInstall)
		{
			SelectionHelper textSelHelper = new SelectionHelper(this);
			return textSelHelper.ReduceToIp(limit, fMakeVisible, fInstall) == null ? null : textSelHelper;
		}

		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Inserts a footnote at the given selection
		/// </summary>
		/// <param name="selHelper">Current selection information</param>
		/// <param name="styleName">style name for created footnote</param>
		/// <param name="iFootnote">out: If selHelper is in vernacular para, the ihvo of the
		/// footnote just inserted. If selHelper is in back trans, the ihvo of the footnote
		/// corresponding to the ref ORC just inserted in the BT, or -1 no corresponding</param>
		/// <returns>The created/corresponding footnote</returns>
		/// ------------------------------------------------------------------------------------
		public virtual IStFootnote InsertFootnote(SelectionHelper selHelper, string styleName,
			out int iFootnote)
		{
			CheckDisposed();
			// Get any selected text.
			ITsString tssSelectedText;
			IVwSelection vwsel = selHelper.Selection;
			if (!IsSelectionInUserPrompt && IsSelectionInOneEditableProp(vwsel))
				vwsel.GetSelectionString(out tssSelectedText, string.Empty);
			else
				tssSelectedText = TsStringUtils.MakeTss(string.Empty, m_cache.DefaultVernWs);

			int hvoObj;
			ITsString tssSel; // This is either the vernacular or the BT, depending on the selection location.
			int propTag;
			int ws;
			selHelper.ReduceToIp(SelectionHelper.SelLimitType.Bottom, false, false);
			int ichSel = GetSelectionInfo(selHelper, out hvoObj, out propTag, out tssSel, out ws);
			if (propTag == StTxtParaTags.kflidContents)
				ws = Cache.DefaultVernWs;

			// Make sure the selection is updated with the new ich position in case it was wrong
			// (e.g. If the selection is in a user prompt) (TE-8919)
			selHelper.IchAnchor = selHelper.IchEnd = ichSel;

			// get book info
			IScrBook book = GetCurrentBook(m_cache);

			// get paragraph info
			int paraHvo = selHelper.GetLevelInfoForTag(StTextTags.kflidParagraphs).hvo;
			IScrTxtPara para = m_repoScrTxtPara.GetObject(paraHvo);

			tssSelectedText = TsStringUtils.GetCleanTsString(tssSelectedText, ScrStyleNames.ChapterAndVerse);
			Debug.Assert(tssSelectedText != null);
			if (tssSelectedText.Length > 0)
			{
				ITsStrBldr bldr = tssSelectedText.GetBldr();
				bldr.SetStrPropValue(0, bldr.Length, (int)FwTextPropType.ktptNamedStyle, ScrStyleNames.ReferencedText);
				bldr.ReplaceRgch(bldr.Length, bldr.Length, " ", 1, StyleUtils.CharStyleTextProps(null, ws));
				tssSelectedText = bldr.GetString();
			}

			//Cache.ActionHandlerAccessor.AddAction(new UndoWithRefreshAction());
			IScrFootnote footnote = null;
			iFootnote = -1;
			if (propTag == StTxtParaTags.kflidContents)
			{
				// Inserting footnote into the vernacular paragraph
				iFootnote = FindFootnotePosition(book, selHelper);
				ITsStrBldr tsStrBldr = para.Contents.GetBldr();
				// create the footnote and insert its marker into the paragraph's string
				// builder.
				footnote = book.InsertFootnoteAt(iFootnote, tsStrBldr, ichSel);

				// BEFORE we insert the ORC in the paragraph, we need to insert an empty
				// paragraph into the new StFootnote, because the para style is needed to
				// determine the footnote marker type.
				IStTxtPara footnotePara = footnote.AddNewTextPara(styleName);

				// update the paragraph contents to include the footnote marker
				para.Contents = tsStrBldr.GetString();

				// Insert the selected text (or an empty run) into the footnote paragraph.
				footnotePara.Contents = tssSelectedText;
			}
			else
			{
				IMultiString bt = null;
				if (propTag == SegmentTags.kflidFreeTranslation)
				{
					// Inserting footnote reference ORC into a segment free translation
					ISegment segment = m_repoSegment.GetObject(selHelper.GetLevelInfoForTag(StTxtParaTags.kflidSegments).hvo);
					bt = segment.FreeTranslation;
					footnote = FindVernParaFootnote(segment, ws);
				}
				else if (propTag == CmTranslationTags.kflidTranslation)
				{
					// Inserting footnote reference ORC into a back translation
					footnote = FindVernParaFootnote(ichSel, tssSel, para);
					bt = para.GetBT().Translation;
				}

				if (footnote != null)
				{
					// Insert footnote reference ORC into back translation paragraph.
					ITsStrBldr tssBldr = tssSel.GetBldr();
					//if reference to footnote already somewhere else in para, delete it first
					int ichDel = TsStringUtils.DeleteOrcFromBuilder(tssBldr, footnote.Guid);
					if (ichDel >= 0 && ichSel > ichDel)
//.........这里部分代码省略.........