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'''
====================================================================
Copyright (c) 2003-2006 Barry A Scott. All rights reserved.
This software is licensed as described in the file LICENSE.txt,
which you should have received as part of this distribution.
====================================================================
wb_diff_processor.py
'''
import wx
class DiffOneSideProcessor:
def __init__( self, name, text_body ):
self.name = name
self.text_body = text_body
self.diff_line_numbers = text_body.diff_line_numbers
self.line_number = 0
self.last_line_number = -1
self.changed_lines = []
self.current_changed_block = -1
self.current_change_marker = -1
def _markChangeCurrentLine( self ):
line_number = self.text_body.GetLineCount() - 1
if( self.last_line_number != line_number
and self.last_line_number != (line_number - 1) ):
self.changed_lines.append( line_number )
self.last_line_number = line_number
def moveNextChange( self ):
self.current_changed_block += 1
self._moveToChange()
def movePrevChange( self ):
self.current_changed_block -= 1
self._moveToChange()
def _moveToChange( self ):
if len(self.changed_lines) == 0:
return
if self.current_changed_block >= len(self.changed_lines):
self.current_changed_block = 0
elif self.current_changed_block < 0:
self.current_changed_block = len(self.changed_lines) - 1
line_number = self.changed_lines[self.current_changed_block]
top_line = line_number - 3
if top_line < 1:
top_line = 1
self.text_body.ScrollToLine( top_line )
self.text_body.GotoLine( line_number )
def getCurrentChangeLine( self ):
return self.changed_lines[ self.current_changed_block ]
def updateCurrentChangeMarker( self, line ):
if self.current_change_marker != -1:
self.diff_line_numbers.ChangeLineStyle( self.current_change_marker, self.diff_line_numbers.style_line_numbers )
self.current_change_marker = line
self.diff_line_numbers.ChangeLineStyle( self.current_change_marker, self.diff_line_numbers.style_line_numbers_for_diff )
#--------------------------------------------------------------------------------
def _addLineNumber( self ):
self.line_number = self.line_number + 1
self.diff_line_numbers.InsertStyledText( '%5d%5s\n' % (self.line_number, ''),
self.diff_line_numbers.style_line_numbers )
def _addBlankLineNumber( self, isChange=1 ):
self.diff_line_numbers.InsertStyledText( '%10s\n' % '',
self.diff_line_numbers.style_line_numbers )
def addNormalLine( self, line ):
line_number = self.text_body.LineFromPosition( self.text_body.GetLength() )
self.text_body.SetFoldLine( line_number, True )
self._addLineNumber()
self.text_body.InsertStyledText( line+'\n', self.text_body.style_line_normal )
def addGapLine( self ):
self._markChangeCurrentLine()
self._markChangeCurrentLine()
self._addBlankLineNumber()
line_number = self.text_body.LineFromPosition( self.text_body.GetLength() )
self.text_body.SetFoldLine( line_number, False )
self.text_body.InsertStyledText( '\n', self.text_body.style_line_normal )
def addInsertedLine( self, line ):
self._markChangeCurrentLine()
self._addLineNumber()
line_number = self.text_body.LineFromPosition( self.text_body.GetLength() )
self.text_body.SetFoldLine(line_number, False)
self.text_body.InsertStyledText( line+'\n', self.text_body.style_line_insert )
def addDeletedLine( self, line ):
self._markChangeCurrentLine()
self._addLineNumber()
line_number = self.text_body.LineFromPosition( self.text_body.GetLength() )
self.text_body.SetFoldLine(line_number, False)
self.text_body.InsertStyledText( line+'\n', self.text_body.style_line_delete )
def addChangedLineBegin( self ):
self._markChangeCurrentLine()
self._addLineNumber()
line_number = self.text_body.LineFromPosition( self.text_body.GetLength() )
self.text_body.SetFoldLine( line_number, False )
def addChangedLineReplace( self, text ):
self.text_body.InsertStyledText( text, self.text_body.style_replace_changed )
def addChangedLineDelete( self, old ):
self.text_body.InsertStyledText( old, self.text_body.style_replace_delete )
def addChangedLineInsert( self, new ):
self.text_body.InsertStyledText( new, self.text_body.style_replace_insert )
def addChangedLineEqual( self, text ):
self.text_body.InsertStyledText( text, self.text_body.style_replace_equal )
def addChangedLineEnd( self ):
self.text_body.InsertStyledText( '\n', self.text_body.style_line_normal )
#--------------------------------------------------------------------------------
def addEnd( self ):
self.text_body.SetReadOnly( 1 )
#--------------------------------------------------------------------------------
class DiffProcessor:
'DiffProcessor'
def __init__( self, text_body_left, text_body_right ):
self.processor_left = DiffOneSideProcessor( 'Diff Left', text_body_left )
self.processor_right = DiffOneSideProcessor( 'Diff Right', text_body_right )
def addNormalLine( self, line ):
self.processor_left.addNormalLine( line )
self.processor_right.addNormalLine( line )
def addInsertedLine( self, line ):
self.processor_left.addGapLine()
self.processor_right.addInsertedLine( line )
def addDeletedLine( self, line ):
self.processor_left.addDeletedLine( line )
self.processor_right.addGapLine()
def addChangedLineBegin( self ):
self.processor_left.addChangedLineBegin()
self.processor_right.addChangedLineBegin()
def addChangedLineReplace( self, old, new ):
self.processor_left.addChangedLineReplace( old )
self.processor_right.addChangedLineReplace( new )
def addChangedLineDelete( self, old ):
self.processor_left.addChangedLineDelete( old )
def addChangedLineInsert( self, new ):
self.processor_right.addChangedLineInsert( new )
def addChangedLineEqual( self, text ):
self.processor_left.addChangedLineEqual( text )
self.processor_right.addChangedLineEqual( text )
def addChangedLineEnd( self ):
self.processor_left.addChangedLineEnd()
self.processor_right.addChangedLineEnd()
def addEnd( self ):
self.processor_left.addEnd()
self.processor_right.addEnd()
self.processor_left.text_body.SetFocus()
def moveNextChange( self ):
self.processor_left.moveNextChange()
line = self.processor_left.getCurrentChangeLine()
self.processor_left.updateCurrentChangeMarker( line )
self.processor_right.updateCurrentChangeMarker( line )
def movePrevChange( self ):
self.processor_left.movePrevChange()
line = self.processor_left.getCurrentChangeLine()
self.processor_left.updateCurrentChangeMarker( line )
self.processor_right.updateCurrentChangeMarker( line )
def toggleViewWhiteSpace( self ):
self.processor_left.text_body.ToggleViewWhiteSpace()
def getChangeCount( self ):
return len( self.processor_left.changed_lines )
def getCurrentChange( self ):
return self.processor_left.current_changed_block + 1
|
