internal PointF GetFocusPosition(HtmlTag aTag, out Int32 aLine, ref Int32 aChar)
{
aLine = -1;
if (aTag is TextTag)
{
TextTag tag = (TextTag)aTag;
tag.LocateText(out aLine, ref aChar);
}
return(GetFocusPosition(aTag, aLine, aChar));
}
/// <summary>
/// return a cursor that point to the tag right side of current
/// </summary>
public MiniHtmlCursor RightShift(bool fullTag)
{
MiniHtmlCursor retVal = new MiniHtmlCursor(parentHtml);
if ((selectedTag is TextTag) && !(fullTag))
{
TextTag currentTag = (TextTag)(selectedTag);
Int32 pos = currentTag.LocateText(selectedLine, selectedChar);
if (pos >= currentTag.text.Length)
{
fullTag = true;
}
else
{
Int32 aLine = 0, aChar = pos + 1;
currentTag.LocateText(out aLine, ref aChar);
retVal.SetCursor(selectedTag, aLine, aChar);
return(retVal);
}
}
HtmlTag nextTag = selectedTag.nextTag();
if (nextTag == null)
{
return(null);
}
else
{
if (!(nextTag is TextTag))
{
retVal.SetCursor(nextTag, -1);
}
else
{
retVal.SetCursor(nextTag, 0);
}
}
return(retVal);
}
/// <summary>
/// Insert text to current cursor.
/// </summary>
public void InsertText(string aText)
{
if ((startCursor.selectedTag is TextTag) && (startCursor.selectedTag == endCursor.selectedTag))
{
TextTag currentTag = (TextTag)startCursor.selectedTag;
Int32 sPos = currentTag.LocateText(firstCursor.selectedLine,
firstCursor.selectedChar);
currentTag.ReplaceText(firstCursor, secondCursor, aText);
parentHtml.documentOutput.Update();
SetStartCursor(currentTag, sPos + aText.Length);
SetEndCursor(currentTag, startCursor.selectedLine, startCursor.selectedChar);
}
}
/// <summary>
/// Replace selection to specified text
/// </summary>
private void replace(bool textOnly, string aText)
{
if ((startCursor.selectedTag == null) || (endCursor.selectedTag == null))
{
return;
}
if (startCursor.selectedTag != endCursor.selectedTag)
{
((TextTag)(secondCursor.selectedTag)).ReplaceText(firstCursor, secondCursor, "");
endCursor = endCursor.LeftShift(true);
}
while (secondCursor.selectedTag.TagIndex() > firstCursor.selectedTag.TagIndex())
{
HtmlTag currentTag = secondCursor.selectedTag;
secondCursor = secondCursor.LeftShift(true);
if ((currentTag is TextTag) || !(textOnly))
{
currentTag.RemoveSelf();
}
}
if ((startCursor.selectedTag is TextTag) && (startCursor.selectedTag == endCursor.selectedTag))
{
TextTag currentTag = (TextTag)startCursor.selectedTag;
Int32 sPos = currentTag.LocateText(startCursor.selectedLine,
startCursor.selectedChar);
currentTag.ReplaceText(firstCursor, secondCursor, aText);
parentHtml.documentOutput.Update();
SetStartCursor(currentTag, sPos + aText.Length);
SetEndCursor(currentTag, startCursor.selectedLine, startCursor.selectedChar);
}
}
/// <summary>
/// Remove selected items.
/// </summary>
public void RemoveSelection(bool TextOnly)
{
if ((startCursor.selectedTag == null) || (endCursor.selectedTag == null))
{
return;
}
MiniHtmlCursor firstCur = new MiniHtmlCursor(parentHtml);
MiniHtmlCursor secondCur = new MiniHtmlCursor(parentHtml);
firstCur.SetCursor(firstCursor.selectedTag, firstCursor.selectedLine, firstCursor.selectedChar);
secondCur.SetCursor(secondCursor.selectedTag, secondCursor.selectedLine, secondCursor.selectedChar);
// if (!(startCursor.selectedTag is TextTag) || !(endCursor.selectedTag is TextTag))
// return;
if (firstCur.selectedTag != secondCur.selectedTag)
{
if (firstCur.selectedTag is TextTag)
{
((TextTag)(secondCur.selectedTag)).ReplaceText(firstCur, secondCursor, "");
}
secondCur = secondCur.LeftShift(true);
}
while (secondCur.selectedTag.TagIndex() > firstCur.selectedTag.TagIndex())
{
HtmlTag currentTag = secondCur.selectedTag;
secondCur = secondCur.LeftShift(true);
if ((currentTag is TextTag) || (!(TextOnly) && (currentTag is RegionTag)))
{
// Console.WriteLine("removing " + currentTag.name);
// if (currentTag is TextTag) Console.WriteLine(((TextTag)currentTag).text);
currentTag.RemoveSelf();
}
}
if (firstCur.selectedTag is RegionTag)
{
HtmlTag currentTag = firstCur.selectedTag;
firstCur = firstCur.RightShiftText();
SetEndCursor(firstCur.selectedTag, 0);
currentTag.RemoveSelf();
}
if ((firstCur.selectedTag is TextTag) && (firstCur.selectedTag == secondCur.selectedTag))
{
TextTag currentTag = (TextTag)firstCur.selectedTag;
Int32 sPos = currentTag.LocateText(firstCur.selectedLine,
firstCur.selectedChar);
currentTag.ReplaceText(firstCur, secondCur, "");
parentHtml.Invalidate();
parentHtml.documentOutput.Update();
SetStartCursor(currentTag, sPos);
SetEndCursor(startCursor.selectedTag, startCursor.selectedLine, startCursor.selectedChar);
}
}
