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Annotation of Examples/AppKit/Draw/textUndo.subproj/PasteTextChange.m, revision 1.1

1.1     ! root        1: #import "textundo.h"
        !             2: 
        !             3: #define PASTE_OPERATION NXLocalStringFromTable("Operations", "Paste", NULL, "The operation of getting something from the Pasteboard and inserting into the document.")
        !             4: 
        !             5: @implementation PasteTextChange
        !             6: 
        !             7: /*
        !             8:  * This class calculates how many characters were pasted by looking at
        !             9:  * the length of the original selection, and the length of the text object
        !            10:  * before the paste. 
        !            11:  */
        !            12: 
        !            13: - initView:aView
        !            14: {
        !            15:     [super initView:aView name:PASTE_OPERATION];
        !            16:     return self;
        !            17: }
        !            18: 
        !            19: - saveBeforeChange
        !            20: {
        !            21:     NXSelPt start, end;
        !            22: 
        !            23:     [super saveBeforeChange];
        !            24: 
        !            25:     [textView getSel:&start :&end];
        !            26:     textLength = [textView textLength];
        !            27:     selectionStart = start.cp;
        !            28:     selectionLength = end.cp - start.cp;
        !            29: 
        !            30:     return self;
        !            31: }
        !            32: 
        !            33: - saveAfterChange
        !            34: {
        !            35:     int charsPasted;
        !            36: 
        !            37:     charsPasted = [textView textLength] - (textLength - selectionLength);
        !            38:     newSel = [[TextSelection alloc] initText:textView
        !            39:                                       start:selectionStart
        !            40:                                         end:selectionStart + charsPasted];
        !            41:     [newSel capture];
        !            42:     return self;
        !            43: }
        !            44: 
        !            45: @end

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