SetIch() public method

Sets the 0-based index of the character for the given limit of the selection. If appropriate records that the end of the selection has been set explicitly.
public SetIch ( SelLimitType type, int value ) : void
type SelLimitType
value int
return void
Esempio n. 1
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		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Merges the paras in table.
		/// </summary>
		/// <param name="helper">The helper.</param>
		/// <param name="dpt">The problem deletion type.</param>
		/// <returns><c>true</c> if we merged the paras, otherwise <c>false</c>.</returns>
		/// ------------------------------------------------------------------------------------
		internal protected bool MergeParasInTable(SelectionHelper helper, VwDelProbType dpt)
		{
			SelLevInfo[] levInfo = helper.GetLevelInfo(SelectionHelper.SelLimitType.Top);
			if (levInfo[0].tag != (int)StText.StTextTags.kflidParagraphs)
				return false;

			ILocationTracker tracker = ((ITeView)Control).LocationTracker;
			IScrBook book = new ScrBook(m_cache, tracker.GetBookHvo(
				helper, SelectionHelper.SelLimitType.Anchor));

			SelLevInfo tmpInfo;
			IStText text;
			if (helper.GetLevelInfoForTag((int)ScrBook.ScrBookTags.kflidTitle, out tmpInfo))
				text = book.TitleOA;
			else
			{
				IScrSection section = book.SectionsOS[tracker.GetSectionIndexInBook(
					helper,	SelectionHelper.SelLimitType.Anchor)];

				text = (levInfo[1].tag == (int)ScrSection.ScrSectionTags.kflidHeading ?
					section.HeadingOA :	text = section.ContentOA);
			}

			int iPara = helper.GetLevelInfoForTag((int)StText.StTextTags.kflidParagraphs).ihvo;
			StTxtPara currPara = (StTxtPara)text.ParagraphsOS[iPara];
			ITsStrBldr bldr;

			// Backspace at beginning of paragraph
			if (dpt == VwDelProbType.kdptBsAtStartPara)
			{
				if (iPara <= 0)
				{
					MiscUtils.ErrorBeep();
					return false;
				}

				StTxtPara prevPara = (StTxtPara)text.ParagraphsOS[iPara - 1];
				int prevParaLen = prevPara.Contents.Length;

				// Need to make sure we move the back translations
				AboutToDelete(helper, currPara.Hvo, text.Hvo,
					(int)StText.StTextTags.kflidParagraphs, iPara, false);

				bldr = prevPara.Contents.UnderlyingTsString.GetBldr();
				bldr.ReplaceTsString(prevPara.Contents.Length, prevPara.Contents.Length,
					currPara.Contents.UnderlyingTsString);
				prevPara.Contents.UnderlyingTsString = bldr.GetString();
				text.ParagraphsOS.RemoveAt(iPara);
				helper.SetIch(SelectionHelper.SelLimitType.Top, prevParaLen);
				helper.SetIch(SelectionHelper.SelLimitType.Bottom, prevParaLen);
				levInfo[0].ihvo = iPara - 1;
				helper.SetLevelInfo(SelectionHelper.SelLimitType.Top, levInfo);
				helper.SetLevelInfo(SelectionHelper.SelLimitType.Bottom, levInfo);
				helper.SetSelection(true);
				return true;
			}
			// delete at end of a paragraph
			int cParas = text.ParagraphsOS.Count;
			if (iPara + 1 >= cParas)
				return false; // We don't handle merging across StTexts

			StTxtPara nextPara = (StTxtPara)text.ParagraphsOS[iPara + 1];

			// Need to make sure we move the back translations
			AboutToDelete(helper, nextPara.Hvo, text.Hvo,
				(int)StText.StTextTags.kflidParagraphs, iPara + 1, false);

			bldr = currPara.Contents.UnderlyingTsString.GetBldr();
			bldr.ReplaceTsString(currPara.Contents.Length, currPara.Contents.Length,
				nextPara.Contents.UnderlyingTsString);
			currPara.Contents.UnderlyingTsString = bldr.GetString();
			text.ParagraphsOS.RemoveAt(iPara + 1);
			helper.SetSelection(true);
			return true;
		}
Esempio n. 2
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		/// ------------------------------------------------------------------------------------
		/// <summary>
		/// Merges the paras in table.
		/// </summary>
		/// <param name="helper">The helper.</param>
		/// <param name="dpt">The problem deletion type.</param>
		/// <returns><c>true</c> if we merged the paras, otherwise <c>false</c>.</returns>
		/// ------------------------------------------------------------------------------------
		protected internal bool MergeParasInTable(SelectionHelper helper, VwDelProbType dpt)
		{
			SelLevInfo[] levInfo = helper.GetLevelInfo(SelectionHelper.SelLimitType.Top);
			if (levInfo[0].tag != StTextTags.kflidParagraphs)
				return false;
			IStText text;
			int iPara;
			int tag;
			IStTxtPara currPara = GetPara(helper, out text, out iPara, out tag);

			// Backspace at beginning of paragraph
			ITsStrBldr bldr;
			if (dpt == VwDelProbType.kdptBsAtStartPara)
			{
				if (iPara <= 0)
				{
					MiscUtils.ErrorBeep();
					return false;
				}

				IStTxtPara prevPara = text[iPara - 1];
				int prevParaLen = prevPara.Contents.Length;

				prevPara.MergeParaWithNext();

				helper.SetIch(SelectionHelper.SelLimitType.Top, prevParaLen);
				helper.SetIch(SelectionHelper.SelLimitType.Bottom, prevParaLen);
				levInfo[0].ihvo = iPara - 1;
				helper.SetLevelInfo(SelectionHelper.SelLimitType.Top, levInfo);
				helper.SetLevelInfo(SelectionHelper.SelLimitType.Bottom, levInfo);
				if (DeferSelectionUntilEndOfUOW)
				{
					// We are within a unit of work, so setting the selection will not work now.
					// we request that a selection be made after the unit of work.
					Debug.Assert(!helper.IsRange,
						"Currently, a selection made during a unit of work can only be an insertion point.");
					helper.SetIPAfterUOW(EditedRootBox.Site);
				}
				else
				{
					helper.SetSelection(true);
				}
				return true;
			}
			// delete at end of a paragraph
			int cParas = text.ParagraphsOS.Count;
			if (iPara + 1 >= cParas)
				return false; // We don't handle merging across StTexts

			currPara.MergeParaWithNext();

			if (DeferSelectionUntilEndOfUOW)
			{
				// We are within a unit of work, so setting the selection will not work now.
				// we request that a selection be made after the unit of work.
				Debug.Assert(!helper.IsRange,
					"Currently, a selection made during a unit of work can only be an insertion point.");
				helper.SetIPAfterUOW(EditedRootBox.Site);
			}
			else
			{
				helper.SetSelection(true);
			}
			return true;
		}