B
� f&+ � @ s� d dl Z d dlmZ G dd� de�ZG dd� d�ZG dd� de�ZG d d
� d
e�ZG d d � d e�Zd
d� Ze dkr�d dl
m Z e dddd� d dl m
Z
e
e� dS )� N)� Delegatorc @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
d � Zd d
� Z dZ
dd� Z dZ dd� Z
d#dd�Zd$dd�Zdd� Zdd� Zd%d d �Zd d � Zd!d"� ZdS )&�
UndoDelegatori� c C s t �| � | �� d S )N)r �__init__�
reset_undo)�self� r �1/opt/alt/python37/lib64/python3.7/idlelib/undo.pyr s
zUndoDelegator.__init__c C sj | j d k r(| �d� | �d� | �d� t�| |� |d k rf| �d| j� | �d| j� | �d| j� d S )Nz<>z<>z<>)�delegateZunbindr � setdelegateZbind�
undo_event�
redo_event�
dump_event)r r r r r r
s
zUndoDelegator.setdelegatec C sv ddl m } || jd | j� � td| jdd� td| jdd� td| jdd� td| �� � || j| jd � � d S )
Nr )�pprintzpointer:� )�endzsaved:z
can_merge:z get_saved():�break)r �undolist�pointer�print�saved� can_merge� get_saved)r �eventr r r r r
( s zUndoDelegator.dump_eventc C s& d| _ d| _g | _d| _| �d� d S )N�����r � )� was_savedr r � undoblock� set_saved)r r r r r 2 s
zUndoDelegator.reset_undoc C s& |r| j | _nd| _d| _| �� d S )Nr F)r r r � check_saved)r �flagr r r r 9 s
zUndoDelegator.set_savedc C s | j | jkS )N)r r )r r r r r A s zUndoDelegator.get_savedNc C s
|| _ d S )N)�saved_change_hook)r �hookr r r �set_saved_change_hookF s z#UndoDelegator.set_saved_change_hookr c C s* | � � }|| jkr&|| _| jr&| �� d S )N)r r r )r Zis_savedr r r r K s
zUndoDelegator.check_savedc C s | � t|||�� d S )N)�addcmd�
InsertCommand)r �index�chars�tagsr r r �insertR s zUndoDelegator.insertc C s | � t||�� d S )N)r# �
DeleteCommand)r �index1�index2r r r �deleteU s zUndoDelegator.deletec C s | j dkrt� | _ | j �� d S )Nr )r �CommandSequence�
bump_depth)r r r r �undo_block_startc s
z UndoDelegator.undo_block_startc C sN | j �d�dkrJ| j }d| _ t|�dkrJt|�dkr>|�d�}| �|d� d S )Nr r r )r r. �len�getcmdr# )r �cmdr r r �undo_block_stoph s
z UndoDelegator.undo_block_stopTc C s� |r|� | j� | jdkr*| j�|� d S | jrX| jdkrX| j| jd }|�|�rXd S |g| j| jd �< | j| jkr|d| _| jd | _t | j�| j
kr�| jd= | jd | _| jdkr�| jd | _d| _| � � d S )Nr r r T) �dor r �appendr r r �merger r0 �max_undor )r r2 ZexecuteZlastcmdr r r r# t s(
zUndoDelegator.addcmdc C sP | j dkr| �� dS | j| j d }|�| j� | j d | _ d| _| �� dS )Nr r r F)r �bellr �undor r r )r r r2 r r r r � s
zUndoDelegator.undo_eventc C sR | j t| j�kr | �� dS | j| j }|�| j� | j d | _ d| _| �� dS )Nr r F)r r0 r r8 �redor r r )r r r2 r r r r � s zUndoDelegator.redo_event)N)N)T)�__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 @ sR e Zd ZdZddd�Zdd� Zdd� Zdd � Zd
d � Zd d
� Z dd� Z
dd� Z dS )�CommandNc C s, i | _ i | _|| _|| _|| _|r(|| _d S )N)� marks_before� marks_afterr* r+ r& r' )r r* r+ r& r' r r r r � s zCommand.__init__c C s> | j j}| j| j| j| jf}| jd kr2|d d� }|t|� S )Nr )� __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 dS )Nr r )r r2 r r r r6 � s z
Command.mergec C s8 i }x.|� � D ]"}|dkr|dkr|�|�||< qW |S )Nr( Zcurrent)Z
mark_namesr% )r rF �marks�namer r r �
save_marks� s
zCommand.save_marksc C s& x |� � D ]\}}|�||� q
W d S )N)�items�mark_set)r rF rG rH r% r r r � set_marks� s zCommand.set_marks)N) r; r< r= r' r rE r4 r: r9 r6 rI rL r r r r r> � s
r> c @ sN e Zd Zddd�Zdd� Zdd� Zdd � Zd
d � Zej ej
d Z d
d� Z dS )r$ Nc C s t �| |d ||� d S )N)r> r )r r* r& r' r r r r � s zInsertCommand.__init__c C sv | � |�| _|�| j�| _|�| jdd�r6|�d�| _|�| j| j| j� |�d| jt| j�f �| _ | � |�| _
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 s> |� d| 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 s: |� d| 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 rdS | j|jkr dS | j|jkr0dS t|j�dkrBdS | jrh| �| jd �| �|j�krhdS |j| _| j|j | _dS )NFr r T)rA r+ r* r' r0 r& �classify)r r2 r r r r6 � s zInsertCommand.merge�_c C s || j krdS |dkrdS dS )N� alphanumeric�
�newlineZ punctuation)rR )r �cr r r rP s
zInsertCommand.classify)N)
r; r< r= r r4 r: r9 r6 �stringZ
ascii_lettersZdigitsrR rP r r r r r$ � s
r$ c @ s. e Zd Zd
dd�Zdd� Zdd� Zdd � ZdS ) r) Nc C s t �| ||d d � d S )N)r> r )r r* r+ r r r r s zDeleteCommand.__init__c C s� | � |�| _|�| j�| _| jr0|�| j�| _n|�| jd �| _|�| jdd�r^|�d�| _|�| 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 s: |� d| 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 s: |� d| j� |�| j| j� | �|| j� |�d� d S )Nr( )rK r* r( r& rL r? rO )r rF r r r r9 $ s zDeleteCommand.undo)N)r; r< r= r r4 r: r9 r r r r r) s
r) c @ sN e Zd Zdd� Zdd� Zdd� Zdd� Zd d
� Zd d � Zd
d� Z ddd�Z
dS )r- c C s g | _ d| _d S )Nr )�cmds�depth)r r r r r 0 s zCommandSequence.__init__c C sB | j j}g }x | jD ]}|�d|f � qW |d d�|� d S )Nz %rz(
z,
z
))rA r; rX r5 �join)r rC Zstrsr2 r r r rE 4 s
zCommandSequence.__repr__c C s
t | j�S )N)r0 rX )r r r r �__len__; s zCommandSequence.__len__c C s | 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 A s zCommandSequence.getcmdc C s x| j D ]}|�|� qW d S )N)rX r: )r rF r2 r r r r: D s zCommandSequence.redoc C s2 | j d d � }|�� x|D ]}|�|� q W d S )N)rX �reverser9 )r rF rX r2 r r r r9 H s
zCommandSequence.undor c C s | j | | _ | j S )N)rY )r Zincrr r r r. N s zCommandSequence.bump_depthN)r ) r; r< r= r rE r[ r5 r1 r: r9 r. r r r r r- , s r- c
s ddl m}m}m} ddlm} || �}|�d� tt| � � �
d�dd � �\}}|� d||d f � ||d d
�}|� � |� � ||�} t
� � | �� � ||d � fd d
�d�}
|
j dd� ||d� fdd
�d�} | j dd� ||d� fdd
�d�} | j dd� d S )Nr )�Toplevel�Text�Button)�
PercolatorzTest UndoDelegator�+r z+%d+%d� �
)ZheightZUndoc s
� � d �S )N)r r )�dr r �b � z!_undo_delegator..)rF Zcommand�left)ZsideZRedoc s
� � d �S )N)r r )re r r rf d rg ZDumpc s
� � d �S )N)r
r )re r r rf f rg )Ztkinterr^ r_ r` Zidlelib.percolatorra �title�map�intZgeometry�splitZpackZ focus_setr Z insertfilter)
�parentr^ r_ r` ra Zundowin�x�yrF �pr9 r: �dumpr )re r �_undo_delegatorS s$
rr �__main__)�mainzidlelib.idle_test.test_undo� F)� verbosity�exit)�run)rV Zidlelib.delegatorr r r> r$ r) r- rr r; Zunittestrt Zidlelib.idle_test.htestrx r r r r � s -9$'