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[Dragos Toader]

from Npp import *
import string
if editor.selectionIsRectangle():
    start    = editor.getRectangularSelectionAnchor()
    end      = editor.getRectangularSelectionCaret()
    startCol = editor.getColumn(start)
    endCol   = editor.getColumn(end)
    startRow = editor.lineFromPosition(start)
    endRow   = editor.lineFromPosition(end)
    
    if startCol > endCol:
        temp     = startCol
        startCol = endCol
        endCol   = temp
    if startRow > endRow:
        temp     = startRow
        startRow = endRow
        endRow   = temp
    endRow += 1
    
    minPos = 0
    maxPos = 0
    for line in range(startRow,endRow):
        charstr = ""
        for i,column in enumerate(range(startCol,endCol)):
            pos = editor.findColumn(line, column)
            if i == 0 :
                minPos = pos
            charstr += chr(editor.getCharAt(pos))
        maxPos = pos
        
        editor.setSel(minPos,maxPos+1)
        editor.replaceSel(charstr.swapcase())
        
    editor.setRectangularSelectionAnchor(start)
    editor.setRectangularSelectionCaret(end)
else:
    if editor.getSelText() == '':
        editor.setSel(editor.getCurrentPos(),editor.getCurrentPos()+1)
    editor.replaceSel(editor.getSelText().swapcase())
    editor.setSel(editor.getCurrentPos(),editor.getCurrentPos())

[Anonymous]

I fixed a bug that appears with carriage returns in a rectangular block of text.

from Npp import *
import string
if editor.selectionIsRectangle():
    start    = editor.getRectangularSelectionAnchor()
    end      = editor.getRectangularSelectionCaret()
    if start > end:
        temp  = start
        start = end
        end   = temp
    
    startCol = editor.getColumn(start)
    endCol   = 0
    for i in range(start,end):
        newEndCol = editor.getColumn(i)
        if endCol < newEndCol:
            endCol = newEndCol
    endCol  += 1
    startRow = editor.lineFromPosition(start)
    endRow   = editor.lineFromPosition(end  ) + 1
    """
    console.write(
       "\n\n----------------------" +
       "\nstart    "+str(start   )  +
       "\nend      "+str(end     )  +
       "\nstartCol "+str(startCol)  +
       "\nendCol   "+str(endCol  )  +
       "\nstartRow "+str(startRow)  +
       "\nendRow   "+str(endRow  )  )
    """
    
    for line in range(startRow,endRow):
        minPos  = 0
        maxPos  = 0
        charstr = ""
        empty   = False
        for i,column in enumerate(range(startCol,endCol)):
            pos   = editor.findColumn(line, column)
            char  = chr(editor.getCharAt(pos))
            """
            console.write(
               "\n\n----------------------" +
               "\nline     "+str(line    )  +
               "\ncolumn   "+str(column  )  +
               "\npos      "+str(pos     )  +
               "\nchar    '"+char           +"'" )
            """
            
            if i == 0:
                minPos = pos
                maxPos = pos
                if not (char == '' or ord(char) == 13):
                    empty  = False
                else:
                    empty = True
            else:
                if not (char == '' or ord(char) == 13):
                    maxPos = pos
                    empty  = False
                else:
                    empty  = True
            if not empty:
               charstr += char
            """
            console.write(
               "\n\n    -------------------" +
               "\n    Line      "+str(line   )  +
               "\n    Column    "+str(column )  +
               "\n    Pos       "+str(pos    )  +
               "\n    Char     '"+char          + "'" +
               "\n    ord(char) "+str(ord(char))+
               "\n    Emtpy     "+str(empty  )  +
               "\n    minPos    "+str(minPos )  +
               "\n    maxPos    "+str(maxPos )  +
               "\n    charstr  '"+charstr       + "'" )
            """
        if not (minPos == 0 and maxPos == 0):
            editor.setSel(minPos,maxPos+1)
            editor.replaceSel(charstr.swapcase())
        
    editor.setRectangularSelectionAnchor(start)
    editor.setRectangularSelectionCaret(end)
else:
    if editor.getSelText() == '':
        editor.setSel(editor.getCurrentPos(),editor.getCurrentPos()+1)
    editor.replaceSel(editor.getSelText().swapcase())
    editor.setSel(editor.getCurrentPos(),editor.getCurrentPos())