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s zUndoDelegator.get_savedNc C s | | _ d S)N)�saved_change_hook)r �hookr r r �set_saved_change_hookD s z#UndoDelegator.set_saved_change_hookr c C sA | j � } | | j k r= | | _ | j r= | j � q= n d S)N)r r r )r Zis_savedr r r r I s zUndoDelegator.check_savedc C s | j t | | | � � d S)N)�addcmd� InsertCommand)r �index�chars�tagsr r r �insertP s zUndoDelegator.insertc C s | j t | | � � d S)N)r# � DeleteCommand)r �index1�index2r r r �deleteS s zUndoDelegator.deletec C s/ | j d k r t � | _ n | j j � d S)Nr )r �CommandSequence� bump_depth)r r r r �undo_block_starta s z UndoDelegator.undo_block_startc C sz | j j d � d k rv | j } d | _ t | � d k rv t | � d k r` | j d � } n | j | d � qv n d S)Nr r r )r r. �len�getcmdr# )r �cmdr r r �undo_block_stopf s z UndoDelegator.undo_block_stopTc C s3 | r | j | j � n | j d k r< | j j | � d S| j r~ | j d k r~ | j | j d } | j | � r~ d Sn | g | j | j d � <| j | j k r� d | _ n | j d | _ t | j � | j k r | j d =| j d | _ | j d k r | j d | _ q n d | _ | j � d S)Nr r Tr ) �dor r �appendr r r �merger r0 �max_undor )r r2 ZexecuteZlastcmdr r r r# r s( zUndoDelegator.addcmdc C sh | j d k r | j � d S| j | j d } | j | j � | j d | _ d | _ | j � d S)Nr r r F)r �bellr �undor r r )r r r2 r r r r � s zUndoDelegator.undo_eventc C sm | j t | j � k r& | j � d S| j | j } | j | j � | j d | _ d | _ | j � d S)Nr r F)r r0 r r8 �redor r r )r r r2 r r r r � s zUndoDelegator.redo_eventr )�__name__� __module__� __qualname__r7 r r r r r r r r" r r r( r, r/ r3 r# r r r r r r r s$ r c @ sy e Z d Z d Z d d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d S)�CommandNc C sC i | _ i | _ | | _ | | _ | | _ | r? | | _ n d S)N)� marks_before� marks_afterr* r+ r& r' )r r* r+ r& r' r r r r � s zCommand.__init__c C sZ | j j } | j | j | j | j f } | j d k rL | d d � } n | t | � S)Nr r )� __class__r; r* r+ r& r' �repr)r �s�tr r r �__repr__� s zCommand.__repr__c C s d S)Nr )r �textr r r r4 � s z Command.doc C s d S)Nr )r rF r r r r: � s z Command.redoc C s d S)Nr )r rF r r r r9 � s z Command.undoc C s d S)Nr r )r r2 r r r r6 � s z Command.mergec C sO i } xB | j � D]4 } | d k r | d k r | j | � | | <q q W| S)Nr( Zcurrent)Z mark_namesr% )r rF �marks�namer r r � save_marks� s zCommand.save_marksc C s1 x* | j � D] \ } } | j | | � q Wd S)N)�items�mark_set)r rF rG rH r% r r r � set_marks� s zCommand.set_marks) r; r< r= r' r rE r4 r: r9 r6 rI rL r r r r r> � s r> c @ so e Z d Z d d d � Z d d � Z d d � Z d d � Z d d � Z e j e j d Z d d � Z d S)r$ Nc C s t j | | d | | � d S)N)r> r )r r* r& r' r r r r � s zInsertCommand.__init__c C s� | j | � | _ | j | j � | _ | j | j d d � rT | j d � | _ n | j | j | j | j � | j d | j t | j � f � | _ | j | � | _ d S)N�>zend-1cz%s+%dc) rI r? r% r* �comparer( r& r' r0 r+ r@ )r rF r r r r4 � s (zInsertCommand.doc C sS | j d | j � | j | j | j | j � | j | | j � | j d � d S)Nr( )rK r* r( r& r' rL r@ �see)r rF r r r r: � s zInsertCommand.redoc C sM | j d | j � | j | j | j � | j | | j � | j d � d S)Nr( )rK r* r, r+ rL r? rO )r rF r r r r9 � s zInsertCommand.undoc C s� | j | j k r d S| j | j k r, d S| j | j k rB d St | j � d k r[ d S| j r� | j | j d � | j | j � k r� d S| j | _ | j | j | _ d S)NFr Tr )rA r+ r* r' r0 r& �classify)r r2 r r r r6 � s ( zInsertCommand.merge�_c C s' | | j k r d S| d k r# d Sd S)N� alphanumeric� �newlineZ punctuation)rR )r �cr r r rP s zInsertCommand.classify) r; r< r= r r4 r: r9 r6 �stringZ ascii_lettersZdigitsrR rP r r r r r$ � s r$ c @ sC e Z d Z d d d � Z d d � Z d d � Z d d � Z d S) r) Nc C s t j | | | d d � d S)N)r> r )r r* r+ r r r r s zDeleteCommand.__init__c C s� | j | � | _ | j | j � | _ | j rH | j | j � | _ n | j | j d � | _ | j | j d d � r� | j d � | _ n | j | j | j � | _ | j | j | j � | j | � | _ d S)Nz +1crM zend-1c) rI r? r% r* r+ rN �getr& r, r@ )r rF r r r r4 s zDeleteCommand.doc C sM | j d | j � | j | j | j � | j | | j � | j d � d S)Nr( )rK r* r, r+ rL r@ rO )r rF r r r r: s zDeleteCommand.redoc C sM | j d | j � | j | j | j � | j | | j � | j d � d S)Nr( )rK r* r( r& rL r? rO )r rF r r r r9 % s zDeleteCommand.undo)r; r< r= r r4 r: r9 r r r r r) s r) c @ ss e Z d Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d d � Z d S)r- c C s g | _ d | _ d S)Nr )�cmds�depth)r r r r r 1 s zCommandSequence.__init__c C sS | j j } g } x% | j D] } | j d | f � q W| d d j | � d S)Nz %rz( z, z ))rA r; rX r5 �join)r rC Zstrsr2 r r r rE 5 s zCommandSequence.__repr__c C s t | j � S)N)r0 rX )r r r r �__len__< s zCommandSequence.__len__c C s | j j | � d S)N)rX r5 )r r2 r r r r5 ? s zCommandSequence.appendc C s | j | S)N)rX )r �ir r r r1 B s zCommandSequence.getcmdc C s% x | j D] } | j | � q Wd S)N)rX r: )r rF r2 r r r r: E s zCommandSequence.redoc C s? | j d d � } | j � x | D] } | j | � q$ Wd S)N)rX �reverser9 )r rF rX r2 r r r r9 I s zCommandSequence.undor c C s | j | | _ | j S)N)rY )r Zincrr r r r. O s zCommandSequence.bump_depthN) r; r< r= r rE r[ r5 r1 r: r9 r. r r r r r- , s r- c sp d d l m } t � } | j d � t t t t j d | j � � � � \ } } } } | j d | | d f � t | � } | j d d � | j � | j � | | � } t � � | j � � t | d d d � f d d � �} | j d d � t | d d d � f d d � �} | j d d � t | d d d � f d d � �} | j d d � | j � d S)Nr )� PercolatorzTest UndoDelegatorz[x+]z+%d+%d� �height� rF ZUndoZcommandc s � j d � S)N)r r )�dr r �<lambda>b s z!_undo_delegator.<locals>.<lambda>Zside�leftZRedoc s � j d � S)N)r r )rb r r rc d s ZDumpc s � j d � S)N)r r )rb r r rc f s )Zidlelib.Percolatorr^ ZTk�title�list�map�int�re�splitZgeometryZText�configZpackZ focus_setr Z insertfilterZButtonZmainloop) �parentr^ �root�widthr` �x�yrF �pr9 r: �dumpr )rb r �_undo_delegatorS s& 3 $$$rs �__main__)�run) rV ZtkinterZidlelib.Delegatorr r r> r$ r) r- rs r; Zidlelib.idle_test.htestru r r r r �<module> s �.:$'
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