/usr/share/cherrytree/modules/machines.py is in cherrytree 0.32.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# machines.py
#
# Copyright 2009-2014 Giuseppe Penone <giuspen@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
import gtk, xml.dom.minidom, re, base64, copy, StringIO
import cons, config, support, exports
def get_blob_buffer_from_pixbuf(pixbuf):
"""Pixbuf To BLOB Buffer"""
io = StringIO.StringIO()
pixbuf.save_to_callback(io.write, "png")
blob_buffer = buffer(io.getvalue())
return blob_buffer
def get_pixbuf_from_png_blob_buffer(blob_buffer):
"""Encoded Buffer To Pixbuf"""
pixbuf_loader = gtk.gdk.pixbuf_loader_new_with_mime_type("image/png")
try:
pixbuf_loader.write(blob_buffer)
pixbuf_loader.close()
pixbuf = pixbuf_loader.get_pixbuf()
except: pixbuf = None
return pixbuf
def get_encoded_buffer_from_pixbuf(pixbuf):
"""Pixbuf To Encoded Buffer"""
io = StringIO.StringIO()
pixbuf.save_to_callback(io.write, "png")
encoded_buffer = base64.b64encode(io.getvalue())
return encoded_buffer
def get_pixbuf_from_encoded_buffer(encoded_buffer):
"""Encoded Buffer To Pixbuf"""
pixbuf_loader = gtk.gdk.pixbuf_loader_new_with_mime_type("image/png")
try:
pixbuf_loader.write(base64.b64decode(encoded_buffer))
pixbuf_loader.close()
pixbuf = pixbuf_loader.get_pixbuf()
except: pixbuf = None
return pixbuf
def get_pixbuf_from_png_encoded_string(png_encoded_string):
"""PNG Encoded String To Pixbuf"""
fd = open(cons.IMG_PATH, "wb")
fd.write(base64.b64decode(png_encoded_string))
fd.close()
pixbuf = gtk.gdk.pixbuf_new_from_file(cons.IMG_PATH)
return pixbuf
class XMLHandler:
"""The Handler of the procedures involving XML"""
def __init__(self, dad):
"""Machine boot"""
self.dad = dad
def dom_to_buffer(self, textbuffer, tagged_text):
"""Given a TextBuffer and a string of rich text, fills the buffer properly"""
textbuffer.delete(*textbuffer.get_bounds())
dom = xml.dom.minidom.parseString(tagged_text)
dom_iter = dom.firstChild
if dom_iter.nodeName != "node": return False
child_dom_iter = dom_iter.firstChild
# loop for text
while child_dom_iter!= None:
if child_dom_iter.nodeName == "rich_text": self.rich_text_deserialize(textbuffer, child_dom_iter)
child_dom_iter = child_dom_iter.nextSibling
textbuffer.set_modified(False)
return True
def reset_nodes_names(self):
"""Reset Nodes Names"""
self.dad.nodes_names_dict = {}
bookmarks_menu = self.dad.ui.get_widget("/MenuBar/BookmarksMenu").get_submenu()
for menu_item in self.dad.bookmarks_menu_items:
bookmarks_menu.remove(menu_item)
self.dad.bookmarks_menu_items = []
def dom_to_treestore(self, ctd, discard_ids, tree_father=None):
"""Parse an XML Cherry Tree Document file and build the Tree"""
dom = xml.dom.minidom.parseString(ctd)
cherrytree = dom.firstChild
if not discard_ids:
self.reset_nodes_names()
self.dad.bookmarks = []
if cherrytree.nodeName != cons.APP_NAME: return False
else:
dom_iter = cherrytree.firstChild
node_sequence = self.dad.nodes_sequences_get_max_siblings(tree_father)
while dom_iter!= None:
if dom_iter.nodeName == "node":
node_sequence += 1
self.append_tree_node(dom_iter, tree_father, discard_ids, node_sequence)
elif dom_iter.nodeName == "bookmarks":
self.dad.bookmarks = dom_iter.attributes['list'].value.split(",")
dom_iter = dom_iter.nextSibling
return True
def append_tree_node(self, dom_iter, tree_father, discard_ids, node_sequence):
"""Given the dom_iter node, adds it to the tree"""
if not discard_ids and dom_iter.hasAttribute('unique_id'):
unique_id = long(dom_iter.attributes['unique_id'].value)
else: unique_id = self.dad.node_id_get()
if dom_iter.hasAttribute('tags'): node_tags = dom_iter.attributes['tags'].value
else: node_tags = ""
if node_tags: self.dad.tags_add_from_node(node_tags)
if dom_iter.hasAttribute('readonly'): readonly = (dom_iter.attributes['readonly'].value == "True")
else: readonly = False
syntax_highlighting = dom_iter.attributes['prog_lang'].value
if syntax_highlighting != cons.CUSTOM_COLORS_ID and syntax_highlighting not in self.dad.available_languages:
syntax_highlighting = syntax_highlighting.lower().replace("C++", "cpp")
if syntax_highlighting not in self.dad.available_languages:
syntax_highlighting = cons.CUSTOM_COLORS_ID
node_depth = 0 if not tree_father else self.dad.treestore.iter_depth(tree_father)+1
cherry = self.dad.get_node_icon(node_depth, syntax_highlighting)
curr_buffer = self.dad.buffer_create(syntax_highlighting)
if syntax_highlighting != cons.CUSTOM_COLORS_ID: curr_buffer.begin_not_undoable_action()
# loop into rich text, write into the buffer
child_dom_iter = dom_iter.firstChild
while child_dom_iter != None:
if child_dom_iter.nodeName == "rich_text":
self.rich_text_deserialize(curr_buffer, child_dom_iter)
elif child_dom_iter.nodeName == "encoded_png": self.image_deserialize(curr_buffer, child_dom_iter, 2)
elif child_dom_iter.nodeName == "table": self.table_deserialize(curr_buffer, child_dom_iter)
elif child_dom_iter.nodeName == "codebox": self.codebox_deserialize(curr_buffer, child_dom_iter)
elif child_dom_iter.nodeName == "encoded_image": self.image_deserialize(curr_buffer, child_dom_iter, 1)
elif child_dom_iter.nodeName == "node": break
child_dom_iter = child_dom_iter.nextSibling
if syntax_highlighting != cons.CUSTOM_COLORS_ID: curr_buffer.end_not_undoable_action()
curr_buffer.set_modified(False)
#print unique_id
# insert the node containing the buffer into the tree
tree_iter = self.dad.treestore.append(tree_father, [cherry,
dom_iter.attributes['name'].value,
curr_buffer,
unique_id,
syntax_highlighting,
node_sequence,
node_tags,
readonly])
self.dad.nodes_names_dict[unique_id] = self.dad.treestore[tree_iter][1]
if discard_ids:
# we are importing nodes
self.dad.ctdb_handler.pending_new_db_node(unique_id)
# loop for child nodes
child_sequence = 0
while child_dom_iter!= None:
if child_dom_iter.nodeName == "node":
child_sequence += 1
self.append_tree_node(child_dom_iter, tree_iter, discard_ids, child_sequence)
elif child_dom_iter.nodeName == 'rich_text':
support.dialog_error("Rich text instead of child node??!!", self.dad.window)
break
child_dom_iter = child_dom_iter.nextSibling
def codebox_deserialize(self, curr_buffer, dom_node):
"""From the XML codebox text to the SourceBuffer"""
char_offset = int(dom_node.attributes["char_offset"].value)
justification = dom_node.attributes[cons.TAG_JUSTIFICATION].value if dom_node.hasAttribute(cons.TAG_JUSTIFICATION) else cons.TAG_PROP_LEFT
codebox_dict = {
'frame_width': int(dom_node.attributes['frame_width'].value),
'frame_height': int(dom_node.attributes['frame_height'].value),
'width_in_pixels': dom_node.hasAttribute("width_in_pixels") and dom_node.attributes['width_in_pixels'].value == "True",
'syntax_highlighting': dom_node.attributes['syntax_highlighting'].value,
'highlight_brackets': dom_node.hasAttribute("highlight_brackets") and dom_node.attributes['highlight_brackets'].value == "True",
'show_line_numbers': dom_node.hasAttribute("show_line_numbers") and dom_node.attributes['show_line_numbers'].value == "True",
'fill_text': dom_node.firstChild.data if dom_node.firstChild else ""
}
self.dad.codeboxes_handler.codebox_insert(curr_buffer.get_iter_at_offset(char_offset),
codebox_dict,
codebox_justification=justification,
text_buffer=curr_buffer)
def table_deserialize(self, curr_buffer, dom_node):
"""From the XML table text to the SourceBuffer"""
char_offset = int(dom_node.attributes["char_offset"].value)
if dom_node.hasAttribute(cons.TAG_JUSTIFICATION): justification = dom_node.attributes[cons.TAG_JUSTIFICATION].value
else: justification = cons.TAG_PROP_LEFT
table_dict = {
'matrix': [],
'col_min': int(dom_node.attributes['col_min'].value),
'col_max': int(dom_node.attributes["col_max"].value)
}
child_dom_iter = dom_node.firstChild
while child_dom_iter != None:
if child_dom_iter.nodeName == "row":
table_dict['matrix'].append([])
nephew_dom_iter = child_dom_iter.firstChild
while nephew_dom_iter != None:
if nephew_dom_iter.nodeName == "cell":
if nephew_dom_iter.firstChild != None:
table_dict['matrix'][-1].append(nephew_dom_iter.firstChild.data)
else: table_dict['matrix'][-1].append("")
nephew_dom_iter = nephew_dom_iter.nextSibling
child_dom_iter = child_dom_iter.nextSibling
self.dad.tables_handler.table_insert(curr_buffer.get_iter_at_offset(char_offset),
table_dict,
table_justification=justification,
text_buffer=curr_buffer)
def image_deserialize(self, curr_buffer, dom_node, version):
"""From the XML embedded image text to the SourceBuffer"""
char_offset = int(dom_node.attributes["char_offset"].value)
if dom_node.hasAttribute(cons.TAG_JUSTIFICATION): justification = dom_node.attributes[cons.TAG_JUSTIFICATION].value
else: justification = cons.TAG_PROP_LEFT
if dom_node.hasAttribute("anchor"):
pixbuf = gtk.gdk.pixbuf_new_from_file(cons.ANCHOR_CHAR)
pixbuf = pixbuf.scale_simple(self.dad.anchor_size, self.dad.anchor_size, gtk.gdk.INTERP_BILINEAR)
pixbuf.anchor = dom_node.attributes["anchor"].value
else:
if version == 2: pixbuf = get_pixbuf_from_encoded_buffer(dom_node.firstChild.data)
else: pixbuf = get_pixbuf_from_png_encoded_string(dom_node.firstChild.data)
if pixbuf: self.dad.image_insert(curr_buffer.get_iter_at_offset(char_offset),
pixbuf,
image_justification=justification,
text_buffer=curr_buffer)
def rich_text_deserialize(self, curr_buffer, dom_node):
"""From the XML rich text to the SourceBuffer"""
if dom_node.firstChild: text = dom_node.firstChild.data
else: text = ""
tag_names = []
for tag_property in cons.TAG_PROPERTIES:
if dom_node.hasAttribute(tag_property):
property_value = dom_node.attributes[tag_property].value
if property_value: tag_names.append(self.dad.apply_tag_exist_or_create(tag_property, property_value))
tags_num = len(tag_names)
if tags_num == 0: curr_buffer.insert(curr_buffer.get_end_iter(), text)
else: curr_buffer.insert_with_tags_by_name(curr_buffer.get_end_iter(), text, *tag_names)
def treestore_node_to_dom(self, node_iter):
"""Given a treestore iter returns the CherryTree rich text"""
if "dom" in dir(self): del self.dom
self.dom = xml.dom.minidom.Document()
self.append_dom_node(node_iter, self.dom, to_disk=False, skip_children=True)
return self.dom.toxml()
def treestore_sel_node_only_to_dom(self, tree_iter, sel_range=None):
"""Parse the Given Node and Subnodes and Generate an XML Cherry Tree Document"""
if "dom" in dir(self): del self.dom
self.dom = xml.dom.minidom.Document()
cherrytree = self.dom.createElement(cons.APP_NAME)
self.dom.appendChild(cherrytree)
# given node and subnodes parsing
self.append_dom_node(tree_iter, cherrytree, to_disk=True, skip_children=True, sel_range=sel_range)
return self.dom.toxml()
def treestore_sel_node_and_subnodes_to_dom(self, tree_iter):
"""Parse the Given Node and Subnodes and Generate an XML Cherry Tree Document"""
if "dom" in dir(self): del self.dom
self.dom = xml.dom.minidom.Document()
cherrytree = self.dom.createElement(cons.APP_NAME)
self.dom.appendChild(cherrytree)
# given node and subnodes parsing
self.append_dom_node(tree_iter, cherrytree, to_disk=True)
return self.dom.toxml()
def treestore_to_dom(self):
"""Parse the Tree and Generate an XML Cherry Tree Document"""
if "dom" in dir(self): del self.dom
self.dom = xml.dom.minidom.Document()
cherrytree = self.dom.createElement(cons.APP_NAME)
self.dom.appendChild(cherrytree)
# full tree parsing
tree_iter = self.dad.treestore.get_iter_first()
while tree_iter != None:
self.append_dom_node(tree_iter, cherrytree, to_disk=True)
tree_iter = self.dad.treestore.iter_next(tree_iter)
self.append_bookmarks(cherrytree)
return self.dom.toxml()
def append_bookmarks(self, dom_father):
"""Adds the bookmarks data to the DOM"""
if len(self.dad.bookmarks) == 0: return
dom_iter = self.dom.createElement("bookmarks")
dom_iter.setAttribute("list", ",".join(self.dad.bookmarks))
dom_father.appendChild(dom_iter)
def append_dom_node(self, tree_iter, dom_father, to_disk, skip_children=False, sel_range=None):
"""Given the tree_iter node, adds it to the DOM"""
dom_iter = self.dom.createElement("node")
dom_iter.setAttribute("name", self.dad.treestore[tree_iter][1])
dom_iter.setAttribute("unique_id", str(self.dad.treestore[tree_iter][3]))
programming_language = self.dad.treestore[tree_iter][4]
dom_iter.setAttribute("prog_lang", programming_language)
dom_iter.setAttribute("tags", self.dad.treestore[tree_iter][6])
dom_iter.setAttribute("readonly", str(self.dad.treestore[tree_iter][7]))
dom_father.appendChild(dom_iter)
# allocate and init the rich text attributes
self.curr_attributes = {}
for tag_property in cons.TAG_PROPERTIES: self.curr_attributes[tag_property] = ""
curr_buffer = self.dad.get_textbuffer_from_tree_iter(tree_iter)
if not sel_range:
start_iter = curr_buffer.get_start_iter()
end_iter = curr_buffer.get_end_iter()
else:
start_iter = curr_buffer.get_iter_at_offset(sel_range[0])
end_iter = curr_buffer.get_iter_at_offset(sel_range[1])
if programming_language == cons.CUSTOM_COLORS_ID:
# rich text insert
curr_iter = start_iter.copy()
self.rich_text_attributes_update(curr_iter, self.curr_attributes)
tag_found = curr_iter.forward_to_tag_toggle(None)
while tag_found:
if not self.tag_richtext_toggling_on_or_off(curr_iter):
if not curr_iter.forward_char(): tag_found = False
else: tag_found = curr_iter.forward_to_tag_toggle(None)
continue
self.rich_txt_serialize(dom_iter, start_iter, curr_iter, self.curr_attributes)
if curr_iter.compare(end_iter) >= 0: break
else:
self.rich_text_attributes_update(curr_iter, self.curr_attributes)
offset_old = curr_iter.get_offset()
start_iter.set_offset(offset_old)
tag_found = curr_iter.forward_to_tag_toggle(None)
if curr_iter.get_offset() == offset_old: break
else: self.rich_txt_serialize(dom_iter, start_iter, curr_iter, self.curr_attributes)
# in case of writing to disk it's time to serialize the info about the images
if to_disk == True:
pixbuf_table_codebox_vector = self.dad.state_machine.get_embedded_pixbufs_tables_codeboxes(curr_buffer, sel_range=sel_range)
# pixbuf_table_codebox_vector is [ [ "pixbuf"/"table"/"codebox", [offset, pixbuf, alignment] ],... ]
for element in pixbuf_table_codebox_vector:
if sel_range: element[1][0] -= sel_range[0]
if element[0] == "pixbuf": self.pixbuf_element_to_xml(element[1], dom_iter, self.dom)
elif element[0] == "table": self.table_element_to_xml(element[1], dom_iter)
elif element[0] == "codebox": self.codebox_element_to_xml(element[1], dom_iter)
else:
# plain text insert
self.rich_txt_serialize(dom_iter, start_iter, end_iter, self.curr_attributes)
if not skip_children:
tree_iter = self.dad.treestore.iter_children(tree_iter) # check for children
while tree_iter != None:
self.append_dom_node(tree_iter, dom_iter, to_disk)
tree_iter = self.dad.treestore.iter_next(tree_iter)
def codebox_element_to_xml(self, element, dom_node):
"""From element [char_offset, codebox, justification] to dom node"""
dom_iter = self.dom.createElement("codebox")
dom_iter.setAttribute("char_offset", str(element[0]))
if element[2] != cons.TAG_PROP_LEFT: dom_iter.setAttribute(cons.TAG_JUSTIFICATION, element[2])
dom_iter.setAttribute("frame_width", str(element[1]['frame_width']))
dom_iter.setAttribute("frame_height", str(element[1]['frame_height']))
dom_iter.setAttribute("width_in_pixels", str(element[1]['width_in_pixels']))
dom_iter.setAttribute("syntax_highlighting", str(element[1]['syntax_highlighting']))
dom_iter.setAttribute("highlight_brackets", str(element[1]['highlight_brackets']))
dom_iter.setAttribute("show_line_numbers", str(element[1]['show_line_numbers']))
dom_node.appendChild(dom_iter)
text_iter = self.dom.createTextNode(element[1]['fill_text'])
dom_iter.appendChild(text_iter)
def table_element_to_xml(self, element, dom_node):
"""From element [char_offset, table, justification] to dom node"""
dom_iter = self.dom.createElement("table")
dom_iter.setAttribute("char_offset", str(element[0]))
if element[2] != cons.TAG_PROP_LEFT: dom_iter.setAttribute(cons.TAG_JUSTIFICATION, element[2])
dom_iter.setAttribute("col_min", str(element[1]['col_min']))
dom_iter.setAttribute("col_max", str(element[1]['col_max']))
dom_node.appendChild(dom_iter)
for row in element[1]['matrix']:
dom_row = self.dom.createElement("row")
dom_iter.appendChild(dom_row)
for cell in row:
dom_cell = self.dom.createElement("cell")
dom_row.appendChild(dom_cell)
text_iter = self.dom.createTextNode(cell)
dom_cell.appendChild(text_iter)
def pixbuf_element_to_xml(self, element, dom_node, dom):
"""From element [char_offset, pixbuf, justification] to dom node"""
dom_iter = dom.createElement("encoded_png")
dom_iter.setAttribute("char_offset", str(element[0]))
if element[2] != cons.TAG_PROP_LEFT: dom_iter.setAttribute(cons.TAG_JUSTIFICATION, element[2])
if "anchor" in dir(element[1]):
dom_iter.setAttribute("anchor", element[1].anchor)
is_anchor_image = True
else: is_anchor_image = False
dom_node.appendChild(dom_iter)
if not is_anchor_image: text_iter = dom.createTextNode(get_encoded_buffer_from_pixbuf(element[1]))
else: text_iter = dom.createTextNode("anchor")
dom_iter.appendChild(text_iter)
def rich_txt_serialize(self, dom_node, start_iter, end_iter, curr_attributes, change_case="n", dom=None):
"""Appends a new SourceBuffer part to the XML rich text"""
if not dom: dom = self.dom
dom_iter = dom.createElement("rich_text")
for tag_property in cons.TAG_PROPERTIES:
if curr_attributes[tag_property] != "":
dom_iter.setAttribute(tag_property, curr_attributes[tag_property])
dom_node.appendChild(dom_iter)
slot_text = start_iter.get_text(end_iter)
if change_case != "n":
if change_case == "l": slot_text = slot_text.lower()
elif change_case == "u": slot_text = slot_text.upper()
elif change_case == "t": slot_text = slot_text.swapcase()
text_iter = dom.createTextNode(slot_text)
dom_iter.appendChild(text_iter)
def tag_header_toggling_on_or_off(self, curr_iter):
"""Check for tag header toggle on or off"""
toggled_onoff = []
toggled_off = curr_iter.get_toggled_tags(toggled_on=False)
toggled_on = curr_iter.get_toggled_tags(toggled_on=True)
if toggled_off: toggled_onoff.extend(toggled_off)
if toggled_on: toggled_onoff.extend(toggled_on)
for tag in toggled_onoff:
tag_name = tag.get_property("name")
if tag_name and tag_name.startswith("scale_"): return True
return False
def tag_richtext_toggling_on_or_off(self, curr_iter):
"""Check for tag rich text toggle on or off"""
toggled_onoff = []
toggled_off = curr_iter.get_toggled_tags(toggled_on=False)
toggled_on = curr_iter.get_toggled_tags(toggled_on=True)
if toggled_off: toggled_onoff.extend(toggled_off)
if toggled_on: toggled_onoff.extend(toggled_on)
for tag in toggled_onoff:
tag_name = tag.get_property("name")
if not tag_name: continue
if tag_name.startswith("weight_") \
or tag_name.startswith("foreground_") \
or tag_name.startswith("background_") \
or tag_name.startswith("style_") \
or tag_name.startswith("underline_") \
or tag_name.startswith("strikethrough_") \
or tag_name.startswith("scale_") \
or tag_name.startswith("justification_") \
or tag_name.startswith("link_") \
or tag_name.startswith("family_"):
return True
return False
def rich_text_attributes_update(self, curr_iter, curr_attributes):
"""Updates the list of Attributes for the Current Slice"""
toggled_off = curr_iter.get_toggled_tags(toggled_on=False)
for tag in toggled_off:
tag_name = tag.get_property("name")
if tag_name and tag_name != cons.GTKSPELLCHECK_TAG_NAME:
if tag_name.startswith("weight_"): curr_attributes[cons.TAG_WEIGHT] = ""
elif tag_name.startswith("foreground_"): curr_attributes[cons.TAG_FOREGROUND] = ""
elif tag_name.startswith("background_"): curr_attributes[cons.TAG_BACKGROUND] = ""
elif tag_name.startswith("style_"): curr_attributes[cons.TAG_STYLE] = ""
elif tag_name.startswith("underline_"): curr_attributes[cons.TAG_UNDERLINE] = ""
elif tag_name.startswith("strikethrough_"): curr_attributes[cons.TAG_STRIKETHROUGH] = ""
elif tag_name.startswith("scale_"): curr_attributes[cons.TAG_SCALE] = ""
elif tag_name.startswith("justification_"): curr_attributes[cons.TAG_JUSTIFICATION] = ""
elif tag_name.startswith("link_"): curr_attributes[cons.TAG_LINK] = ""
elif tag_name.startswith("family_"): curr_attributes[cons.TAG_FAMILY] = ""
else: support.dialog_error("Failure processing the toggling OFF tag %s" % tag_name, self.dad.window)
toggled_on = curr_iter.get_toggled_tags(toggled_on=True)
for tag in toggled_on:
tag_name = tag.get_property("name")
if tag_name and tag_name != cons.GTKSPELLCHECK_TAG_NAME:
if tag_name.startswith("weight_"): curr_attributes[cons.TAG_WEIGHT] = tag_name[7:]
elif tag_name.startswith("foreground_"): curr_attributes[cons.TAG_FOREGROUND] = tag_name[11:]
elif tag_name.startswith("background_"): curr_attributes[cons.TAG_BACKGROUND] = tag_name[11:]
elif tag_name.startswith("scale_"): curr_attributes[cons.TAG_SCALE] = tag_name[6:]
elif tag_name.startswith("justification_"): curr_attributes[cons.TAG_JUSTIFICATION] = tag_name[14:]
elif tag_name.startswith("style_"): curr_attributes[cons.TAG_STYLE] = tag_name[6:]
elif tag_name.startswith("underline_"): curr_attributes[cons.TAG_UNDERLINE] = tag_name[10:]
elif tag_name.startswith("strikethrough_"): curr_attributes[cons.TAG_STRIKETHROUGH] = tag_name[14:]
elif tag_name.startswith("link_"): curr_attributes[cons.TAG_LINK] = tag_name[5:]
elif tag_name.startswith("family_"): curr_attributes[cons.TAG_FAMILY] = tag_name[7:]
else: support.dialog_error("Failure processing the toggling ON tag %s" % tag_name, self.dad.window)
def toc_insert_all(self, text_buffer, top_tree_iter):
"""Insert a TOC at top of text_buffer, including Node and Subnodes starting from top_tree_iter"""
config.get_tree_expanded_collapsed_string(self.dad)
starting_tree_iter = self.dad.curr_tree_iter.copy()
if top_tree_iter: toc_list_per_node = self.toc_insert_all_iter(top_tree_iter)
else:
top_tree_iter = self.dad.treestore.get_iter_first()
toc_list_per_node = []
while top_tree_iter != None:
toc_list_per_node.extend(self.toc_insert_all_iter(top_tree_iter))
top_tree_iter = self.dad.treestore.iter_next(top_tree_iter)
config.set_tree_expanded_collapsed_string(self.dad)
self.dad.treeview_safe_set_cursor(starting_tree_iter)
self.dad.objects_buffer_refresh()
#print toc_list_per_node
curr_node_id = -1
curr_node_level = 0
if toc_list_per_node:
tag_property = cons.TAG_LINK
curr_offset = 0
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_NEWLINE)
curr_offset += 1
for element in toc_list_per_node:
property_value = cons.LINK_TYPE_NODE + cons.CHAR_SPACE + str(element[2])
if curr_node_id != element[2]:
curr_node_id = element[2]
node_tree_iter = self.dad.get_tree_iter_from_node_id(curr_node_id)
curr_node_level = self.dad.treestore.iter_depth(node_tree_iter)
node_name = self.dad.treestore[node_tree_iter][1].replace(cons.CHAR_NEWLINE, cons.CHAR_SPACE).replace(cons.CHAR_CR, "")
tag_names = [self.dad.apply_tag_exist_or_create(tag_property, property_value)]
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), 2*curr_node_level*cons.CHAR_SPACE + cons.CHAR_LISTARR + cons.CHAR_SPACE)
curr_offset += 2 + 2*curr_node_level
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_NEWLINE)
text_buffer.insert_with_tags_by_name(text_buffer.get_iter_at_offset(curr_offset), node_name, *tag_names)
curr_offset += 1
while text_buffer.get_iter_at_offset(curr_offset).get_char() != cons.CHAR_NEWLINE:
curr_offset += 1
curr_offset += 1
tag_names = [self.dad.apply_tag_exist_or_create(tag_property, property_value + cons.CHAR_SPACE + element[0])]
if not element[0]: continue
if element[0][:2] == cons.TAG_PROP_H1:
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), (2+2*curr_node_level)*cons.CHAR_SPACE + cons.CHAR_LISTBUL + cons.CHAR_SPACE)
curr_offset += 4 + 2*curr_node_level
elif element[0][:2] == cons.TAG_PROP_H2:
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), (4+2*curr_node_level)*cons.CHAR_SPACE + cons.CHAR_LISTBUL + cons.CHAR_SPACE)
curr_offset += 6 + 2*curr_node_level
else:
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), (6+2*curr_node_level)*cons.CHAR_SPACE + cons.CHAR_LISTBUL + cons.CHAR_SPACE)
curr_offset += 8 + 2*curr_node_level
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_NEWLINE)
text_buffer.insert_with_tags_by_name(text_buffer.get_iter_at_offset(curr_offset), element[1], *tag_names)
curr_offset += 1
while text_buffer.get_iter_at_offset(curr_offset).get_char() != cons.CHAR_NEWLINE:
curr_offset += 1
curr_offset += 1
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_NEWLINE)
return toc_list_per_node
def toc_insert_all_iter(self, top_tree_iter):
"""Iterate on nodes for toc_insert_all"""
self.dad.treeview_safe_set_cursor(top_tree_iter)
node_id = self.dad.treestore[top_tree_iter][3]
text_buffer = self.dad.get_textbuffer_from_tree_iter(top_tree_iter)
toc_list_per_node = []
toc_list_this_one = self.toc_insert_one(text_buffer, node_id, just_get_toc_list=True)
toc_list_per_node.extend(toc_list_this_one or [["", "", node_id]])
child_tree_iter = self.dad.treestore.iter_children(top_tree_iter)
while child_tree_iter != None:
toc_list_per_node.extend(self.toc_insert_all_iter(child_tree_iter))
child_tree_iter = self.dad.treestore.iter_next(child_tree_iter)
return toc_list_per_node
def toc_insert_one(self, text_buffer, node_id, just_get_toc_list=False):
"""Given the text_buffer, inserts the Table Of Contents"""
self.curr_attributes = {}
self.toc_counters = {cons.TAG_PROP_H1:0, cons.TAG_PROP_H2:0, cons.TAG_PROP_H3:0}
self.toc_list = [] # 0: anchor name; 1: text in h1, h2 or h3; 2:node id
for tag_property in cons.TAG_PROPERTIES: self.curr_attributes[tag_property] = ""
start_iter = text_buffer.get_start_iter()
end_iter = text_buffer.get_end_iter()
curr_iter = start_iter.copy()
self.rich_text_attributes_update(curr_iter, self.curr_attributes)
tag_found = curr_iter.forward_to_tag_toggle(None)
while tag_found:
if not self.tag_header_toggling_on_or_off(curr_iter):
if not curr_iter.forward_char(): tag_found = False
else: tag_found = curr_iter.forward_to_tag_toggle(None)
continue
offsets = self.toc_insert_parser(text_buffer, start_iter, curr_iter, node_id)
if offsets:
start_iter = text_buffer.get_iter_at_offset(offsets[0])
curr_iter = text_buffer.get_iter_at_offset(offsets[1])
if curr_iter.compare(end_iter) == 0: break
else:
self.rich_text_attributes_update(curr_iter, self.curr_attributes)
offset_old = curr_iter.get_offset()
start_iter.set_offset(offset_old)
tag_found = curr_iter.forward_to_tag_toggle(None)
if curr_iter.get_offset() == offset_old: break
else: self.toc_insert_parser(text_buffer, start_iter, curr_iter, node_id)
if self.toc_list and not just_get_toc_list:
tag_property = cons.TAG_LINK
property_value = cons.LINK_TYPE_NODE + cons.CHAR_SPACE + str(node_id)
curr_offset = 0
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_NEWLINE)
curr_offset += 1
for element in self.toc_list:
tag_names = []
tag_names.append(self.dad.apply_tag_exist_or_create(tag_property, property_value + cons.CHAR_SPACE + element[0]))
if element[0][:2] == cons.TAG_PROP_H1:
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_LISTBUL + cons.CHAR_SPACE)
curr_offset += 2
elif element[0][:2] == cons.TAG_PROP_H2:
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), 2*cons.CHAR_SPACE + cons.CHAR_LISTBUL + cons.CHAR_SPACE)
curr_offset += 4
else:
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), 4*cons.CHAR_SPACE + cons.CHAR_LISTBUL + cons.CHAR_SPACE)
curr_offset += 6
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_NEWLINE)
text_buffer.insert_with_tags_by_name(text_buffer.get_iter_at_offset(curr_offset), element[1], *tag_names)
curr_offset += 1
while text_buffer.get_iter_at_offset(curr_offset).get_char() != cons.CHAR_NEWLINE:
curr_offset += 1
curr_offset += 1
text_buffer.insert(text_buffer.get_iter_at_offset(curr_offset), cons.CHAR_NEWLINE)
return self.toc_list
def toc_insert_parser(self, text_buffer, start_iter, end_iter, node_id):
"""Parses a Tagged String for the TOC insert"""
if self.curr_attributes[cons.TAG_SCALE] not in [cons.TAG_PROP_H1, cons.TAG_PROP_H2, cons.TAG_PROP_H3]: return None
start_offset = start_iter.get_offset()
end_offset = end_iter.get_offset()
if self.curr_attributes[cons.TAG_SCALE] == cons.TAG_PROP_H1:
self.toc_counters[cons.TAG_PROP_H1] += 1
self.toc_list.append(["h1-%d" % self.toc_counters[cons.TAG_PROP_H1], text_buffer.get_text(start_iter, end_iter), node_id])
elif self.curr_attributes[cons.TAG_SCALE] == cons.TAG_PROP_H2:
self.toc_counters[cons.TAG_PROP_H2] += 1
self.toc_list.append(["h2-%d" % self.toc_counters[cons.TAG_PROP_H2], text_buffer.get_text(start_iter, end_iter), node_id])
else:
self.toc_counters[cons.TAG_PROP_H3] += 1
self.toc_list.append(["h3-%d" % self.toc_counters[cons.TAG_PROP_H3], text_buffer.get_text(start_iter, end_iter), node_id])
anchor_start = start_iter.copy()
if anchor_start.backward_char():
anchor = anchor_start.get_child_anchor()
if anchor and "pixbuf" in dir(anchor) and "anchor" in dir(anchor.pixbuf):
text_buffer.delete(anchor_start, start_iter)
start_offset -= 1
end_offset -= 1
start_iter = text_buffer.get_iter_at_offset(start_offset)
pixbuf = gtk.gdk.pixbuf_new_from_file(cons.ANCHOR_CHAR)
pixbuf = pixbuf.scale_simple(self.dad.anchor_size, self.dad.anchor_size, gtk.gdk.INTERP_BILINEAR)
pixbuf.anchor = self.toc_list[-1][0]
self.dad.image_insert(start_iter, pixbuf)
self.dad.ctdb_handler.pending_edit_db_node_buff(node_id, force_user_active=True)
return (start_offset+1, end_offset+1)
class StateMachine:
"""The State Machine for the TextBuffer Ctrl+Z / Ctrl+Y Utility"""
def __init__(self, dad):
"""Machine boot"""
self.nodes_vectors = {}
self.nodes_indexes = {}
self.nodes_indicators = {}
self.visited_nodes_list = []
self.visited_nodes_idx = 0
# indicator 0 -> current text in node_vector matches the textbuffer
# indicator 1 -> textbuffer is ahead, but only of non alphanumeric chars
# indicator 2 -> textbuffer is ahead with alphanumeric chars
self.dad = dad
def get_embedded_pixbufs_tables_codeboxes(self, text_buffer, for_print=0, sel_range=None):
"""Retrieve the list of Images Embedded into the Buffer"""
pixbuf_table_codebox_vector = []
if sel_range: curr_iter = text_buffer.get_iter_at_offset(sel_range[0])
else: curr_iter = text_buffer.get_start_iter()
while 1:
anchor = curr_iter.get_child_anchor()
if anchor != None:
anchor_dir = dir(anchor)
if "pixbuf" in anchor_dir:
if for_print != 1 or not "anchor" in dir(anchor.pixbuf):
pixbuf_table_codebox_vector.append(["pixbuf", [curr_iter.get_offset(),
anchor.pixbuf,
self.get_iter_alignment(curr_iter)] ])
elif "liststore" in anchor_dir:
pixbuf_table_codebox_vector.append(["table", [curr_iter.get_offset(),
self.table_to_dict(anchor),
self.get_iter_alignment(curr_iter)] ])
elif "sourcebuffer" in anchor_dir:
pixbuf_table_codebox_vector.append(["codebox", [curr_iter.get_offset(),
self.codebox_to_dict(anchor, for_print),
self.get_iter_alignment(curr_iter)] ])
if not curr_iter.forward_char(): break
if sel_range and curr_iter.get_offset() > sel_range[1]: break
return pixbuf_table_codebox_vector
def table_to_dict(self, anchor):
"""Given an Anchor, Returns the Embedded Table as a dictionary"""
columns_num = len(anchor.headers)
table_dict = {'matrix':[], 'col_min': anchor.table_col_min, 'col_max': anchor.table_col_max}
tree_iter = anchor.liststore.get_iter_first()
while tree_iter != None:
row = []
for column in range(columns_num): row.append(anchor.liststore[tree_iter][column])
table_dict['matrix'].append(row)
tree_iter = anchor.liststore.iter_next(tree_iter)
table_dict['matrix'].append(copy.deepcopy(anchor.headers))
return table_dict
def codebox_to_dict(self, anchor, for_print):
"""Given an Anchor, Returns the Embedded Codebox as a dictionary"""
codebox_dict = {
'frame_width': anchor.frame_width,
'frame_height': anchor.frame_height,
'width_in_pixels': anchor.width_in_pixels,
'syntax_highlighting': anchor.syntax_highlighting,
'highlight_brackets': anchor.highlight_brackets,
'show_line_numbers': anchor.show_line_numbers,
'fill_text': ""
}
if for_print == 1:
pango_handler = exports.Export2Pango(self)
codebox_dict['fill_text'] = pango_handler.pango_get_from_code_buffer(anchor.sourcebuffer)
elif for_print == 2:
codebox_dict['fill_text'] = self.dad.html_handler.html_get_from_code_buffer(anchor.sourcebuffer)
else: codebox_dict['fill_text'] = anchor.sourcebuffer.get_text(*anchor.sourcebuffer.get_bounds())
return codebox_dict
def get_iter_alignment(self, iter_text):
"""Get the Alignment Value of the given Iter"""
align_center = self.dad.apply_tag_exist_or_create(cons.TAG_JUSTIFICATION, cons.TAG_PROP_CENTER)
align_right = self.dad.apply_tag_exist_or_create(cons.TAG_JUSTIFICATION, cons.TAG_PROP_RIGHT)
if iter_text.has_tag(self.dad.tag_table.lookup(align_center)): return cons.TAG_PROP_CENTER
elif iter_text.has_tag(self.dad.tag_table.lookup(align_right)): return cons.TAG_PROP_RIGHT
else: return cons.TAG_PROP_LEFT
def load_embedded_image_element(self, text_buffer, element):
"""Load an Image from the Embedded Vector into the Buffer"""
iter_insert = text_buffer.get_iter_at_offset(element[0])
self.dad.image_insert(iter_insert, element[1], element[2])
def load_embedded_table_element(self, text_buffer, element):
"""Load a Table from the Embedded Vector into the Buffer"""
iter_insert = text_buffer.get_iter_at_offset(element[0])
self.dad.tables_handler.table_insert(iter_insert, element[1], element[2])
def load_embedded_codebox_element(self, text_buffer, element):
"""Load a CodeBox from the Embedded Vector into the Buffer"""
iter_insert = text_buffer.get_iter_at_offset(element[0])
codebox_dict = {
'frame_width': element[1]['frame_width'],
'frame_height': element[1]['frame_height'],
'width_in_pixels': element[1]['width_in_pixels'],
'syntax_highlighting': element[1]['syntax_highlighting'],
'highlight_brackets': element[1]['highlight_brackets'],
'show_line_numbers': element[1]['show_line_numbers'],
'fill_text': element[1]['fill_text']
}
self.dad.codeboxes_handler.codebox_insert(iter_insert,
codebox_dict,
codebox_justification=element[2],
text_buffer=text_buffer)
def apply_object_justification(self, iter_start, justification, text_buffer):
"""Apply the Proper Justification to an Image"""
if justification == None: return
iter_end = iter_start.copy()
iter_end.forward_char()
self.dad.apply_tag(cons.TAG_JUSTIFICATION,
justification,
iter_sel_start=iter_start,
iter_sel_end=iter_end,
text_buffer=text_buffer)
def reset(self):
"""State Machine Reset"""
del self.nodes_vectors
del self.nodes_indexes
del self.nodes_indicators
del self.visited_nodes_list
del self.visited_nodes_idx
self.nodes_vectors = {}
self.nodes_indexes = {}
self.nodes_indicators = {}
self.visited_nodes_list = []
self.visited_nodes_idx = 0
def requested_previous_visited(self):
"""Requested the Previous Visited Node"""
if self.visited_nodes_idx != None and self.visited_nodes_idx > 0:
self.visited_nodes_idx -= 1
return self.visited_nodes_list[self.visited_nodes_idx]
else:
#print "self.visited_nodes_idx", self.visited_nodes_idx
return None
def requested_next_visited(self):
"""Requested the Next Visited Node"""
if self.visited_nodes_idx != None and self.visited_nodes_idx < len(self.visited_nodes_list) - 1:
self.visited_nodes_idx += 1
return self.visited_nodes_list[self.visited_nodes_idx]
else:
#print "self.visited_nodes_idx", self.visited_nodes_idx
#print "last_index", len(self.visited_nodes_list) - 1
return None
def forget_last_visited(self):
"""Remove the latest element from the list of the visited nodes"""
self.visited_nodes_idx -= 1
self.visited_nodes_list.pop()
def node_selected_changed(self, node_id):
"""When a New Node is Selected"""
if not self.dad.go_bk_fw_click:
last_index = len(self.visited_nodes_list) - 1
if self.visited_nodes_idx != last_index: del self.visited_nodes_list[self.visited_nodes_idx+1:last_index+1]
self.visited_nodes_list.append(node_id)
self.visited_nodes_idx = len(self.visited_nodes_list) - 1
if node_id not in self.nodes_vectors:
self.nodes_vectors[node_id] = []
xml_content = self.dad.xml_handler.treestore_node_to_dom(self.dad.curr_tree_iter)
pixbuf_table_codebox_vector = self.get_embedded_pixbufs_tables_codeboxes(self.dad.curr_buffer)
self.nodes_vectors[node_id].append([xml_content, pixbuf_table_codebox_vector, 0])
self.nodes_indexes[node_id] = 0 # first state
self.nodes_indicators[node_id] = 0 # the current buffer state is saved
def text_variation(self, node_id, varied_text):
"""Insertion or Removal of text in the given node_id"""
alphanum = re.search("\w", varied_text, re.UNICODE) # we search for an alphanumeric character
if self.nodes_indicators[node_id] < 2:
if alphanum != None: self.nodes_indicators[node_id] = 2 # alphanumeric transition
else: self.nodes_indicators[node_id] = 1 # non alphanumeric transition
elif alphanum == None: # self.nodes_indicators[node_id] == 2 and non alphanumeric transition
self.update_state(node_id)
def requested_previous_state(self, node_id):
"""A Previous State, if Existing, is Requested"""
if self.nodes_indicators[node_id] == 0:
if self.nodes_indexes[node_id] == 0: return None
else:
self.nodes_indexes[node_id] -= 1
return self.nodes_vectors[node_id][self.nodes_indexes[node_id]]
else:
self.update_state(node_id)
self.nodes_indexes[node_id] -= 1
return self.nodes_vectors[node_id][self.nodes_indexes[node_id]]
def requested_current_state(self, node_id):
"""The current state is requested"""
return self.nodes_vectors[node_id][self.nodes_indexes[node_id]]
def requested_subsequent_state(self, node_id):
"""A Subsequent State, if Existing, is Requested"""
if self.nodes_indicators[node_id] == 0:
if self.nodes_indexes[node_id] == len(self.nodes_vectors[node_id]) - 1: return None
else:
self.nodes_indexes[node_id] += 1
return self.nodes_vectors[node_id][self.nodes_indexes[node_id]]
else: return None
def update_state(self, node_id):
"""Update the state for the given node_id"""
curr_index = self.nodes_indexes[node_id]
last_index = len(self.nodes_vectors[node_id]) - 1
if curr_index != last_index:
del self.nodes_vectors[node_id][curr_index+1:]
xml_content = self.dad.xml_handler.treestore_node_to_dom(self.dad.curr_tree_iter)
pixbuf_table_codebox_vector = self.get_embedded_pixbufs_tables_codeboxes(self.dad.curr_buffer)
cursor_pos = self.dad.curr_buffer.get_property(cons.STR_CURSOR_POSITION)
self.nodes_vectors[node_id].append([xml_content, pixbuf_table_codebox_vector, cursor_pos])
num_saved_states = len(self.nodes_vectors[node_id])
while num_saved_states > self.dad.limit_undoable_steps:
self.nodes_vectors[node_id].pop(0)
num_saved_states -= 1
self.nodes_indexes[node_id] = num_saved_states - 1
self.nodes_indicators[node_id] = 0 # the current buffer state is saved
def update_curr_state_cursor_pos(self, node_id):
"""If the buffer is still not modified update cursor pos"""
if not node_id in self.nodes_indexes: return
curr_index = self.nodes_indexes[node_id]
cursor_pos = self.dad.curr_buffer.get_property(cons.STR_CURSOR_POSITION)
self.nodes_vectors[node_id][curr_index][2] = cursor_pos
#print "SM UPD cursor_pos", cursor_pos
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