|
private GetTextLine ( int lineId ) : |
||
| lineId | int | |
| return | ||
public void BindToTextLayer(EditableTextFlowLayer textLayer)
{
this.textLayer = textLayer;
//check is on the sameline,
//or multiple lines
//
if (IsOnTheSameLine)
{
EditableTextLine line = textLayer.GetTextLine(selectionRangeSnapshot.startLineNum);
//at this line
//find start and end point
int startColNum = selectionRangeSnapshot.startColumnNum;
int endColNum = selectionRangeSnapshot.endColumnNum;
int lineHeight = line.ActualLineHeight;
_startLocation = new MarkerLocation()
{
lineNum = line.LineNumber, x_offset = line.GetXOffsetAtCharIndex(startColNum), line = line
};
_stopLocation = new MarkerLocation()
{
lineNum = line.LineNumber, x_offset = line.GetXOffsetAtCharIndex(endColNum), line = line
};
}
else
{
EditableTextLine startLine = textLayer.GetTextLine(selectionRangeSnapshot.startLineNum);
_startLocation = new MarkerLocation()
{
lineNum = startLine.LineNumber,
x_offset = startLine.GetXOffsetAtCharIndex(selectionRangeSnapshot.startColumnNum),
line = startLine
};
//
EditableTextLine endLine = textLayer.GetTextLine(selectionRangeSnapshot.endLineNum);
_stopLocation = new MarkerLocation()
{
lineNum = endLine.LineNumber,
x_offset = endLine.GetXOffsetAtCharIndex(selectionRangeSnapshot.endColumnNum),
line = endLine
};
//
}
}
public void MoveToLine(int lineNumber)
{
currentLine = visualFlowLayer.GetTextLine(lineNumber);
currentLineY = currentLine.Top;
currentTextRun = (EditableRun)currentLine.FirstRun;
rCharOffset = 0;
rPixelOffset = 0;
charIndex = -1;
caretXPos = 0;
}
public void MoveToLine(int lineNumber)
{
currentLine = visualFlowLayer.GetTextLine(lineNumber);
currentLineY = currentLine.Top;
//if current line is a blank line
//not first run => currentTextRun= null
currentTextRun = (EditableRun)currentLine.FirstRun;
rCharOffset = 0;
rPixelOffset = 0;
caret_char_index = 0;
caretXPos = 0;
}
public TextLineReader(EditableTextFlowLayer flowlayer)
{
#if DEBUG
this.dbug_MyId = dbugTotalId;
dbugTotalId++;
#endif
this.visualFlowLayer = flowlayer;
flowlayer.Reflow += new EventHandler(flowlayer_Reflow);
currentLine = flowlayer.GetTextLine(0);
if (currentLine.FirstRun != null)
{
currentTextRun = currentLine.FirstRun;
}
}
public TextLineReader(EditableTextFlowLayer flowlayer)
{
#if DEBUG
this.dbug_MyId = dbugTotalId;
dbugTotalId++;
#endif
this.visualFlowLayer = flowlayer;
flowlayer.Reflow += new EventHandler(flowlayer_Reflow);
currentLine = flowlayer.GetTextLine(0);
if (currentLine.FirstRun != null)
{
currentTextRun = currentLine.FirstRun;
}
}