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# Copyright (C) IBM Corporation 2008
from Processing.Article.Sentence import *
"""
Created by Jonathan Mace
The classes here each correspond to a sentence in the given text buffer.
You should not instantiate these classes directly.
Use the "level above" class or the Article class to apply changes to the textbuffer
or structure of the article.
"""
"""
a Paragraph instance contains a list of sentences. It has methods for inserting,
deleting and rearranging sentences within itself, as well as other housekeeping
functions.
"""
class RawParagraph:
def __init__(self, id, source_article_id, source_section_id, source_paragraph_id, sentences, buf):
self.id = id
self.source_article_id = source_article_id
self.source_section_id = source_section_id
self.source_paragraph_id = source_paragraph_id
self.sentences = sentences
self.buf = buf
def insertSentence(self, sentence_data, lociter):
insertionindex = self.__get_best_sentence(lociter)
insertioniter = self.sentences[insertionindex].getStart()
if sentence_data.type == "sentence":
sentence = Sentence(sentence_data, self.buf, insertioniter)
elif sentence_data.type == "picture":
sentence = Picture(sentence_data, self.buf, insertioniter)
else:
print "WARNING, WEIRD SENTENCES: %s" % (sentence_data.type, )
self.sentences.insert(insertionindex, sentence)
def deleteSentence(self, lociter):
deletionindex = self.__get_exact_sentence(lociter)
if deletionindex != len(self.sentences) - 1:
sentence = self.sentences[deletionindex]
sentence.delete()
del self.sentences[deletionindex]
if len(self.sentences) == 1:
return True
else:
return False
def removeSentence(self, lociter):
removalindex = self.__get_exact_sentence(lociter)
if removalindex != len(self.sentences) - 1:
sentence = self.sentences[removalindex]
sentence.remove()
del self.sentences[removalindex]
if len(self.sentences) == 1:
return True
else:
return False
def delete(self):
for sentence in self.sentences:
sentence.delete()
def deleteSelection(self, startiter, enditer):
startindex = self.__get_exact_sentence(startiter)
endindex = self.__get_exact_sentence(enditer)
for i in range(startindex, endindex):
self.sentences[startindex].delete()
del self.sentences[startindex]
if len(self.sentences) == 1:
return True
else:
return False
def remove(self):
for sentence in self.sentences:
sentence.remove()
def getSentence(self, lociter):
sentenceindex = self.__get_exact_sentence(lociter)
return self.sentences[sentenceindex]
def getBestSentence(self, lociter):
sentenceindex = self.__get_best_sentence(lociter)
if sentenceindex == len(self.sentences):
return self.sentences[-1]
else:
return self.sentences[sentenceindex]
def getStart(self):
return self.sentences[0].getStart()
def getEnd(self):
return self.sentences[-1].getEnd()
def __get_best_sentence(self, lociter):
sentenceindex = self.__get_exact_sentence(lociter)
sentence = self.sentences[sentenceindex]
left = sentence.getStart().get_offset()
middle = lociter.get_offset()
right = sentence.getEnd().get_offset()
leftdist = middle - left
rightdist = right - middle
if (sentenceindex < len(self.sentences)) and (leftdist > rightdist):
sentenceindex = sentenceindex +1
return sentenceindex
def __get_exact_sentence(self, lociter):
i = 0
for i in range(len(self.sentences)-1):
start = self.sentences[i+1].getStart()
if lociter.compare(start) == -1:
return i
return len(self.sentences) - 1
def getId(self):
return self.id
def getData(self):
id = self.id
source_article_id = self.source_article_id
source_section_id = self.source_section_id
source_paragraph_id = self.source_paragraph_id
sentences_data = []
for sentence in self.sentences[0:len(self.sentences)-1]:
sentences_data.append(sentence.getData())
data = Paragraph_Data(id, source_article_id, source_section_id, source_paragraph_id, sentences_data)
return data
def getDataRange(self, startiter, enditer):
startindex = self.__get_exact_sentence(startiter)
endindex = self.__get_exact_sentence(enditer)
sentences_data = []
for sentence in self.sentences[startindex:endindex]:
sentences_data.append(sentence.getData())
return sentences_data
def mark(self):
markiter = self.getStart()
self.markmark = self.buf.create_mark(None, markiter, True)
arrow = gtk.gdk.pixbuf_new_from_xpm_data(arrow_xpm)
self.buf.insert_pixbuf(markiter, arrow)
def unmark(self):
markiter = self.buf.get_iter_at_mark(self.markmark)
markenditer = self.buf.get_iter_at_offset(markiter.get_offset()+1)
self.buf.delete(markiter, markenditer)
self.buf.delete_mark(self.markmark)
def getSentences(self):
return self.sentences
def getText(self):
return self.buf.get_slice(self.getStart(), self.getEnd())
def clean(self):
if len(self.sentences) > 1:
sentence = self.sentences[-2]
if sentence.getId() == -1:
sentence.delete()
del self.sentences[-2]
if len(self.sentences) == 1:
return True
else:
return False
return True
def checkIntegrity(self, nextiter):
i = 0
sentences = []
while i < len(self.sentences) - 1:
sentence = self.sentences[i]
nextsentence = self.sentences[i+1]
if sentence.getStart().compare(nextsentence.getStart()) == -1:
sentences.extend(sentence.checkIntegrity(nextsentence.getStart()))
else:
sentence.remove()
del self.sentences[i]
i = i - 1
i = i + 1
sentence = self.sentences[-1]
if sentence.getStart().compare(nextiter) == -1:
sentences.extend(sentence.checkIntegrity(nextiter))
paragraphs = []
paragraphstart = 0
for i in range(len(sentences)-1):
if sentences[i].getText() == "\n":
paragraphs.append(RawParagraph(self.id, self.source_article_id, self.source_section_id, self.source_paragraph_id, sentences[paragraphstart:i+1], self.buf))
paragraphstart = i + 1
paragraphs.append(RawParagraph(self.id, self.source_article_id, self.source_section_id, self.source_paragraph_id, sentences[paragraphstart:len(sentences)], self.buf))
return paragraphs
def generateIds(self):
if self.id == None or self.id == -1:
self.id = random.randint(100, 100000)
for sentence in self.sentences[0:len(self.sentences)-1]:
sentence.generateIds()
self.sentences[-1].id = -1
class Paragraph( RawParagraph ):
def __init__(self, paragraph_data, buf, insertioniter):
id = paragraph_data.id
source_article_id = paragraph_data.source_article_id
source_section_id = paragraph_data.source_section_id
source_paragraph_id = paragraph_data.source_paragraph_id
sentences = []
insertionmark = buf.create_mark(None, insertioniter, False)
for sentence_data in paragraph_data.sentences_data:
insertioniter = buf.get_iter_at_mark(insertionmark)
if sentence_data.type == "sentence":
sentence = Sentence(sentence_data, buf, insertioniter)
elif sentence_data.type == "picture":
sentence = Picture(sentence_data, buf, insertioniter)
else:
print "WARNING, WEIRD SENTENCES: %s" % (sentence_data.type, )
sentences.append(sentence)
insertioniter = buf.get_iter_at_mark(insertionmark)
endsentencedata = Sentence_Data(id = -1, text = "\n")
sentences.append(Sentence(endsentencedata, buf, insertioniter))
buf.delete_mark(insertionmark)
RawParagraph.__init__(self, id, source_article_id, source_section_id, source_paragraph_id, sentences, buf)
class dummyParagraph( Paragraph ):
def __init__(self, buf, insertioniter, leftgravity):
self.id = -1
self.source_article_id = -1
self.source_section_id = -1
self.source_paragraph_id = -1
self.buf = buf
self.sentences = [ dummySentence(buf, insertioniter, leftgravity) ]
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