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Uses idlelib.searchengine.SearchEngine for search capability.
Defines various replace related functions like replace, replace all,
and replace+find.
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text: Text widget containing the text to be searched.
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d dd�Zd!dd�Zdd� Zd d � Zd d d �Z� ZS )"r z3Dialog for finding and replacing a pattern in text.zReplace Dialog�Replacec s" t � �||� t|�| _d| _dS )a� Create search dialog for finding and replacing text.
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Attributes:
replvar: StringVar containing 'Replace with:' value.
replent: Entry widget for replvar. Created in
create_entries().
ok: Boolean used in searchengine.search_text to indicate
whether the search includes the selection.
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zReplaceDialog.__init__Nc C s� t �| |� z|�d�}W n ty d}Y nw z|�d�}W n ty+ d}Y nw |p2|�d�}|p6|}| �||� d| _|| _dS )z�Make dialog visible on top of others and ready to use.
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zReplaceDialog.openc C s" t �| � | �d| j�d | _dS )z8Create base and additional label and text entry widgets.z
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z ReplaceDialog.create_entriesc C sJ t �| � | �d| j� | �d| j� | jd| jdd� | �d| j� dS )z�Create base and additional command buttons.
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�Findr z Replace+FindT)�isdefz Replace AllN)r �create_command_buttons� make_button�find_it�
replace_it�default_command� replace_allr& r r r r) S s
z$ReplaceDialog.create_command_buttonsc C s | � d� dS )zHandle the Find button.FN)�do_find�r �eventr r r r+ _ s zReplaceDialog.find_itc C s | � | j�r | �� dS dS )z]Handle the Replace button.
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do_replacer0 r r r r, c s �zReplaceDialog.replace_itc C s* | � | j�r| �� r| � d� dS dS dS )z�Handle the Replace+Find button as the default command.
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successful, a find next.
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�z ReplaceDialog.default_commandc C sL | j �� r"z|�|�}W |S tjy! | j �|d� d}Y |S w |}|S )z.Expand replacement text if regular expression.zInvalid Replace ExpressionN)r �isre�expand�re�error� report_error)r �m�repl�newr r r �_replace_expandv s
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Search text for occurrences of the Find value and replace
each of them. The 'wrap around' value controls the start
point for searching. If wrap isn't set, then the searching
starts at the first occurrence after the current selection;
if wrap is set, the replacement starts at the first line.
The replacement is always done top-to-bottom in the text.
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� zReplaceDialog.do_replacec C sv | j }|�d|� |�ddd� |�d||� |�ddd� ||kr)|�d|� n|�d||� |�d� |�� dS )a� Highlight text between first and last indices.
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