// ReSharper disable once SuggestBaseTypeForParameter
/// <summary>
/// Is the selected offset at the end of the last block
/// </summary>
/// <param name="subOffset">The index that the user selected</param>
/// <param name="blockIndex">The index of the block containing the selected segment</param>
/// <param name="selectedDivElement">The selected segment</param>
/// <returns></returns>
private bool SplitIsAtEndOfLastBlock(int subOffset, int blockIndex, GeckoDivElement selectedDivElement)
{
// not if this is not the last block
if (blockIndex < m_originalBlocks.Count - 1)
{
return(false);
}
// not if offset is not at end of segment
var segmentText = m_verseNumberRegex.Replace(selectedDivElement.InnerHtml, "");
if (segmentText.Length > subOffset)
{
return(false);
}
// this is the last block, and offset is at the end of a segment
var nextElement = selectedDivElement.NextSibling as GeckoHtmlElement;
while (nextElement != null)
{
// if the next element is a splittext div, the current offset is not at the end of the last block
if (nextElement.ClassName == "splittext")
{
return(false);
}
nextElement = nextElement.NextSibling as GeckoHtmlElement;
}
return(true);
}
private bool DetermineSplitLocationAtStartOfVerse(GeckoDivElement blockElement, string verseElementInnerHtml)
{
BlockToSplit = m_originalBlocks[int.Parse(blockElement.Id)];
var ichThisVerse = blockElement.InnerHtml.IndexOf(verseElementInnerHtml, StringComparison.Ordinal);
var ichPrecedingVerse = blockElement.InnerHtml.LastIndexOf("<sup>", ichThisVerse, StringComparison.Ordinal);
ichPrecedingVerse = blockElement.InnerHtml.LastIndexOf("<sup>", ichPrecedingVerse, StringComparison.Ordinal);
if (ichPrecedingVerse < 0)
{
VerseToSplit = BlockToSplit.InitialVerseNumberOrBridge;
}
else
{
var regexVerse = new Regex(@"\<sup\>(‏)?(?<verse>[0-9-]+)*(( )|( ))");
var match = regexVerse.Match(blockElement.InnerHtml, ichPrecedingVerse);
if (!match.Success)
{
Debug.Fail("HTML data for verse number not formed as expected");
// ReSharper disable once HeuristicUnreachableCode
return(false);
}
VerseToSplit = match.Result("${verse}");
}
CharacterOffsetToSplit = BookScript.kSplitAtEndOfVerse;
return(true);
}
public void ScrollElementIntoView(string elementId, int adjustment = 0)
{
var element = m_geckoBrowser.Document.GetElementById(elementId);
if (element == null)
{
return;
}
var div = new GeckoDivElement(element.DomObject);
div.ScrollIntoView(true);
div.Parent.ScrollTop += adjustment;
}
// ReSharper disable once SuggestBaseTypeForParameter
/// <summary>
/// Given the split location in the selected segment, calculate the split location in the original block
/// </summary>
/// <param name="subOffset">The index that the user selected</param>
/// <param name="blockIndex">The index of the block containing the selected segment</param>
/// <param name="verseToSplit">The verse number to look for, if null, search the whole block</param>
/// <param name="selectedDivElement">The selected segment</param>
/// <param name="selectLastIndex">If true, ignore the subOffset and return the last position in the block</param>
/// <returns></returns>
private int GetSplitIndexInVerse(int subOffset, int blockIndex, string verseToSplit, GeckoDivElement selectedDivElement, bool selectLastIndex = false)
{
// get the text from the previous splittext elements in this block
var sb = new StringBuilder();
var previousElement = selectedDivElement.PreviousSibling as GeckoHtmlElement;
while (previousElement != null)
{
if (previousElement.ClassName == "splittext")
{
// stop looking if we've moved to a different block
if (int.Parse(previousElement.GetAttribute("data-blockid")) != blockIndex)
{
break;
}
// stop looking if we've moved to a different verse
if (previousElement.GetAttribute("data-verse") != verseToSplit)
{
break;
}
var textWithoutVerseNumbers = m_verseNumberRegex.Replace(previousElement.InnerHtml, "");
var unencodedText = System.Web.HttpUtility.HtmlDecode(textWithoutVerseNumbers);
sb.Append(unencodedText);
}
previousElement = previousElement.PreviousSibling as GeckoHtmlElement;
}
// get the part of the current element text that is included
var lastSegement = m_verseNumberRegex.Replace(selectedDivElement.InnerHtml, "");
// ReSharper disable once ConvertIfStatementToConditionalTernaryExpression
if (selectLastIndex)
{
sb.Append(lastSegement);
}
else
{
sb.Append(lastSegement.Substring(0, subOffset));
}
return(sb.Length);
}