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* src/docgen/LPRDoc.py: Re-write using paragraph class.

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svn: r2958
This commit is contained in:
Alex Roitman 2004-03-03 05:54:26 +00:00
parent a4ef859763
commit a8ab0442c4
2 changed files with 376 additions and 244 deletions
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1
gramps2/ChangeLog
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@ -4,6 +4,7 @@
2004-03-02 Alex Roitman <shura@alex.neuro.umn.edu> 2004-03-02 Alex Roitman <shura@alex.neuro.umn.edu>
* src/docgen/AsciiDoc.py: Typo. * src/docgen/AsciiDoc.py: Typo.
* src/docgen/LPRDoc.py: Re-write using paragraph class.
2004-03-01 Alex Roitman <shura@alex.neuro.umn.edu> 2004-03-01 Alex Roitman <shura@alex.neuro.umn.edu>
* src/docgen/LPRDoc.py: Table support correction: transferring * src/docgen/LPRDoc.py: Table support correction: transferring

619
gramps2/src/docgen/LPRDoc.py
View File

@ -48,6 +48,32 @@ import Plugins
import ImgManip import ImgManip
from gettext import gettext as _ from gettext import gettext as _
#------------------------------------------------------------------------
#
# Constants
#
#------------------------------------------------------------------------
# Spacing in points (distance between the bottoms of two adjacent lines)
_LINE_SPACING = 20
# Font constants -- specific for gnome-print
_FONT_SANS_SERIF = "Serif"
_FONT_SERIF = "Sans"
_FONT_MONOSPACE = "Monospace"
_FONT_BOLD = "Bold"
_FONT_ITALIC = "Italic"
_FONT_BOLD_ITALIC = "Bold Italic"
_FONT_REGULAR = "Regular"
# Formatting directive constants
_LINE_BREAK = "Line Break"
_PAGE_BREAK = "Page Break"
_START_BOLD = "Start Bold"
_END_BOLD = "End Bold"
_START_SUPER = "Start Super"
_END_SUPER = "End Super"
#------------------------------------------------------------------------ #------------------------------------------------------------------------
# #
# Units conversion # Units conversion
@ -67,21 +93,196 @@ def cm2u(cm):
#------------------------------------------------------------------------ #------------------------------------------------------------------------
# #
# Constants # font lookup function
# #
#------------------------------------------------------------------------ #------------------------------------------------------------------------
def find_font_from_fontstyle(fontstyle):
"""
This function returns the gnomeprint.Font() object instance
corresponding to the parameters of BaseDoc.FontStyle()
fontstyle - a BaseDoc.FontStyle() instance
"""
# Spacing in points (distance between the bottoms of two adjacent lines) if fontstyle.get_type_face() == BaseDoc.FONT_SANS_SERIF:
_LINE_SPACING = 20 face = _FONT_SANS_SERIF
elif fontstyle.get_type_face() == BaseDoc.FONT_SERIF:
face = _FONT_SERIF
elif fontstyle.get_type_face() == BaseDoc.FONT_MONOSPACE:
face = _FONT_MONOSPACE
if fontstyle.get_bold():
modifier = _FONT_BOLD
if fontstyle.get_italic():
modifier = _FONT_BOLD_ITALIC
elif fontstyle.get_italic():
modifier = _FONT_ITALIC
else:
modifier = _FONT_REGULAR
# Font constants -- specific for gnome-print size = fontstyle.get_size()
_FONT_SANS_SERIF = "Serif"
_FONT_SERIF = "Sans" return gnomeprint.font_find_closest("%s %s" % (face, modifier),size)
_FONT_MONOSPACE = "Monospace"
_FONT_BOLD = "Bold" #function to determine the width of text
_FONT_ITALIC = "Italic" def get_text_width(text,fontstyle):
_FONT_BOLD_ITALIC = "Bold Italic" font = find_font_from_fontstyle(fontstyle)
_FONT_REGULAR = "Regular" return font.get_width_utf8(text)
#function to fund out the height of the text between left_margin
# and right_margin -- kinda like __print_text, but without printing.
def get_text_height(text, width, fontstyle):
nlines = 0
if text and width > get_text_width(text,fontstyle):
nlines += 1
elif width <= get_text_width(text,fontstyle):
#divide up text and print
textlist = string.split(text)
the_text = ""
for element in textlist:
if get_text_width(the_text + element + " ",fontstyle) < width:
the_text = the_text + element + " "
else:
#__text contains as many words as this __width allows
nlines = nlines + 1
the_text = element + " "
return nlines * _LINE_SPACING
#this function tells us the minimum size that a column can be
#by returning the width of the largest word in the text
def get_min_width(text,fontstyle):
max_word_size = 0
for word in text.split():
length = get_text_width(word,fontstyle)
if length > max_word_size:
max_word_size = length
return max_word_size
#------------------------------------------------------------------------
#
# Paragraph class
#
#------------------------------------------------------------------------
class GnomePrintParagraph:
"""
A paragraph abstraction which provides the means for in-paragraph
formatting.
"""
def __init__(self,paragraph_style):
"""
Creates a GnomePrintParapgrah instance.
paragraph_style - an instance of BaseDoc paragraph style object
"""
self.style = paragraph_style
self.fontstyle = self.style.get_font()
self.piece_list = []
def add_piece(self,directive,text):
"""
Add a piece to the paragraph.
text - the text of the corresponding piece
directive - what to do with this piece
"""
self.piece_list.append((directive,text))
def get_piece_list(self):
"""
Return a list of pieces for the paragraph.
"""
return self.piece_list
def get_fontstyle(self):
"""
Return fontstyle for the paragraph
"""
return self.fontstyle
def get_width(self):
"""
Determine the width of the paragraph if not formatted.
"""
width = 0
for (directive,text) in self.piece_list:
fontstyle = BaseDoc.FontStyle(self.fontstyle)
if directive == _START_BOLD:
fontstyle.set_bold(1)
elif directive == _END_BOLD:
fontstyle.set_bold(0)
font = find_font_from_fontstyle(self.style.get_font())
width += font.get_width_utf8(text)
return width
def get_min_width(self):
"""
Determine the minimal width of the paragraph (longest word)
"""
max_word_size = 0
for (directive,text) in self.piece_list:
fontstyle = BaseDoc.FontStyle(self.fontstyle)
if directive == _START_BOLD:
fontstyle.set_bold(1)
elif directive == _END_BOLD:
fontstyle.set_bold(0)
for word in text.split():
length = get_text_width(word,fontstyle)
if length > max_word_size:
max_word_size = length
return max_word_size
def get_height(self,width):
"""
Determine the height the paragraph would have
if formatted for a given width.
width - required formatting width
"""
nlines = 0
avail_width = width
for (directive,text) in self.piece_list:
fontstyle = BaseDoc.FontStyle(self.fontstyle)
if directive == _START_BOLD:
fontstyle.set_bold(1)
elif directive == _END_BOLD:
fontstyle.set_bold(0)
if text and avail_width > get_text_width(text,fontstyle):
avail_width -= get_text_width(text,fontstyle)
elif directive == _LINE_BREAK:
nlines += 1
avail_width = width
elif text and avail_width <= get_text_width(text,fontstyle):
#divide up text and print
textlist = text.split()
the_text = ""
for element in textlist:
if get_text_width(the_text + element + " ",fontstyle) < avail_width:
the_text = the_text + element + " "
else:
#__text contains as many words as this __width allows
nlines += 1
the_text = element + " "
avail_width = width
#if __text still contains data, we will want to print it out
if the_text:
avail_width = width - get_text_width(the_text,fontstyle)
return nlines * _LINE_SPACING
#------------------------------------------------------------------------ #------------------------------------------------------------------------
# #
@ -96,12 +297,11 @@ class LPRDoc(BaseDoc.BaseDoc):
#set up variables needed to keep track of which state we are in #set up variables needed to keep track of which state we are in
self.__in_table = 0 self.__in_table = 0
self.__in_cell = 0 self.__in_cell = 0
self.__in_paragraph = 0
self.__page_count = 0 self.__page_count = 0
self.__page_open = 0 self.__page_open = 0
self.__paragraph_data = "" self.paragraph = None
self.__cell_data = "" self.__cell_data = []
self.__table_data = [] self.__table_data = []
#create main variables for this print job #create main variables for this print job
@ -109,44 +309,16 @@ class LPRDoc(BaseDoc.BaseDoc):
self.__pc = self.__job.get_context() self.__pc = self.__job.get_context()
#find out what the width and height of the page is #find out what the width and height of the page is
__width, __height = gnomeprint.job_get_page_size_from_config(self.__job.get_config()) width, height = gnomeprint.job_get_page_size_from_config(self.__job.get_config())
self.__left_margin = cm2u(self.get_left_margin()) self.left_margin = cm2u(self.get_left_margin())
self.__right_margin = __width - cm2u(self.get_right_margin()) self.right_margin = width - cm2u(self.get_right_margin())
self.__top_margin = __height - cm2u(self.get_top_margin()) self.top_margin = height - cm2u(self.get_top_margin())
self.__bottom_margin = cm2u(self.get_bottom_margin()) self.bottom_margin = cm2u(self.get_bottom_margin())
self.start_page(self) self.start_page(self)
def find_font_from_fontstyle(self,fontstyle):
"""
This function returns the gnomeprint.Font() object instance
corresponding to the parameters of BaseDoc.FontStyle()
fontstyle : a BaseDoc.FontStyle() instance
"""
if fontstyle.get_type_face() == BaseDoc.FONT_SANS_SERIF:
face = _FONT_SANS_SERIF
elif fontstyle.get_type_face() == BaseDoc.FONT_SERIF:
face = _FONT_SERIF
elif fontstyle.get_type_face() == BaseDoc.FONT_MONOSPACE:
face = _FONT_MONOSPACE
if fontstyle.get_bold():
modifier = _FONT_BOLD
if fontstyle.get_italic():
modifier = _FONT_BOLD_ITALIC
elif fontstyle.get_italic():
modifier = _FONT_ITALIC
else:
modifier = _FONT_REGULAR
size = fontstyle.get_size()
return gnomeprint.font_find_closest("%s %s" % (face, modifier),size)
def close(self): def close(self):
"""Clean up and close the document""" """Clean up and close the document"""
#print "close doc" #print "close doc"
@ -173,10 +345,10 @@ class LPRDoc(BaseDoc.BaseDoc):
if (self.__page_open): if (self.__page_open):
self.end_page() self.end_page()
self.__page_open=1 self.__page_open = 1
self.__page_count+=1 self.__page_count += 1
self.__x=self.__left_margin self.__x = self.left_margin
self.__y=self.__top_margin self.__y = self.top_margin
self.__pc.beginpage(str(self.__page_count)) self.__pc.beginpage(str(self.__page_count))
self.__pc.moveto(self.__x, self.__y) self.__pc.moveto(self.__x, self.__y)
@ -185,7 +357,7 @@ class LPRDoc(BaseDoc.BaseDoc):
"""Close the current page""" """Close the current page"""
#print "end page" #print "end page"
if (self.__page_open): if (self.__page_open):
self.__page_open=0 self.__page_open = 0
self.__pc.showpage() self.__pc.showpage()
def start_paragraph(self,style_name,leader=None): def start_paragraph(self,style_name,leader=None):
@ -194,54 +366,46 @@ class LPRDoc(BaseDoc.BaseDoc):
We assume a linebreak at the end of each paragraph.""" We assume a linebreak at the end of each paragraph."""
#print "start paragraph" #print "start paragraph"
#set paragraph variables so we know that we are in a paragraph #set paragraph variables so we know that we are in a paragraph
self.__in_paragraph = 1 self.paragraph = GnomePrintParagraph(self.style_list[style_name])
self.__paragraph_data = "" self.__paragraph_text = ""
if self.__in_table: self.__paragraph_directive = ""
self.__paragrapgh_styles[self.rownum][self.cellnum] = self.style_list[style_name]
else:
self.__paragraph_style = self.style_list[style_name]
def end_paragraph(self): def end_paragraph(self):
"""End the current paragraph""" """End the current paragraph"""
#print "end paragraph"
self.__in_paragraph=0
#print text in paragraph if any data exists
if self.__paragraph_data:
fontstyle = self.__paragraph_style.get_font()
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
self.__pc.moveto(self.__x, self.__y)
self.__x, self.__y = self.__print_text(self.__paragraph_data,
self.__x, self.__y,
self.__left_margin,
self.__right_margin,
fontstyle)
self.__paragraph_data = ""
self.__y = self.__advance_line(self.__y)
#### FIXME BEGIN ######### self.paragraph.add_piece(self.__paragraph_directive,self.__paragraph_text)
# The following two functions don't work at the moment. The problem is if self.__in_cell:
# in that the writing is deferred when in tables and/or paragraphs. # We're inside cell. Add paragrah to celldata
# Paragraph text is accumulated, so afterwards, when it's tim to write, self.__cell_data.append(self.paragraph)
# one would need some pointers as to when to change the font (and where else:
# to change it back. The easiest solution I can see is to replace # paragraph not in table: write it right away
# each paragraph with the list: self.__x, self.__y = self.write_paragraph(self.paragraph,
# [ ['Regular', 'text text'], ['Bold', 'other text'], ['Regular', 'text'] ] self.__x, self.__y,
#=========================== self.left_margin, self.right_margin)
self.__y = self.__advance_line(self.__y)
self.paragraph = None
def start_bold(self): def start_bold(self):
"""Bold face""" """Bold face"""
pass self.paragraph.add_piece(self.__paragraph_directive,self.__paragraph_text)
self.__paragraph_directive = _START_BOLD
self.__paragraph_text = ""
def end_bold(self): def end_bold(self):
"""End bold face""" """End bold face"""
pass self.paragraph.add_piece(self.__paragraph_directive,self.__paragraph_text)
#========================== self.__paragraph_directive = ""
#### FIXME END ######### self.__paragraph_text = ""
def start_superscript(self): def start_superscript(self):
pass self.paragraph.add_piece(self.__paragraph_directive,self.__paragraph_text)
self.__paragraph_directive = _START_SUPER
self.__paragraph_text = ""
def end_superscript(self): def end_superscript(self):
pass self.paragraph.add_piece(self.__paragraph_directive,self.__paragraph_text)
self.__paragraph_directive = ""
self.__paragraph_text = ""
def start_listing(self,style_name): def start_listing(self,style_name):
""" """
@ -254,18 +418,16 @@ class LPRDoc(BaseDoc.BaseDoc):
def end_listing(self): def end_listing(self):
pass pass
def start_table(self,name,style_name): def start_table(self,name,style_name):
"""Begin new table""" """Begin new table"""
#print "start table" #print "start table"
#reset variables for this state #reset variables for this state
self.__table_data=[] self.__table_data = []
self.__in_table=1 self.__in_table = 1
self.__tbl_style = self.table_styles[style_name] self.__tbl_style = self.table_styles[style_name]
self.__ncols = self.__tbl_style.get_columns() self.__ncols = self.__tbl_style.get_columns()
self.rownum = -1 self.rownum = -1
self.__paragrapgh_styles = [] self.__table_width = (self.right_margin - self.left_margin) * \
self.__table_width = (self.__right_margin - self.__left_margin) * \
self.__tbl_style.get_width() / 100.0 self.__tbl_style.get_width() / 100.0
self.__cell_widths = [] self.__cell_widths = []
@ -274,19 +436,18 @@ class LPRDoc(BaseDoc.BaseDoc):
#print "end table" #print "end table"
#output table contents #output table contents
self.__output_table() self.__output_table()
self.__in_table=0 self.__in_table = 0
self.__y=self.__advance_line(self.__y) self.__y = self.__advance_line(self.__y)
def start_row(self): def start_row(self):
"""Begin a new row""" """Begin a new row"""
# doline/skipfirst are flags for adding hor. rules # doline/skipfirst are flags for adding hor. rules
#print "start row" #print "start row"
#reset this state, so we can get data from user #reset this state, so we can get data from user
self.__row_data=[] self.__row_data = []
self.rownum = self.rownum + 1 self.rownum = self.rownum + 1
self.cellnum = -1 self.cellnum = -1
self.__span = 1 self.__span = 1
self.__paragrapgh_styles.append([None] * self.__ncols)
self.__cell_widths.append([0] * self.__ncols) self.__cell_widths.append([0] * self.__ncols)
for cell in range(self.__ncols): for cell in range(self.__ncols):
self.__cell_widths[self.rownum][cell] = self.__table_width * \ self.__cell_widths[self.rownum][cell] = self.__table_width * \
@ -305,7 +466,7 @@ class LPRDoc(BaseDoc.BaseDoc):
#print "start cell" #print "start cell"
#reset this state #reset this state
self.__in_cell = 1 self.__in_cell = 1
self.__cell_data = "" self.__cell_data = []
self.cellnum = self.cellnum + self.__span self.cellnum = self.cellnum + self.__span
self.__span = span self.__span = span
for __extra_cell in range(1,span): for __extra_cell in range(1,span):
@ -317,16 +478,17 @@ class LPRDoc(BaseDoc.BaseDoc):
"""Prepares for next cell""" """Prepares for next cell"""
#print "end cell" #print "end cell"
#append the cell text to the row data #append the cell text to the row data
self.__in_cell=0 self.__in_cell = 0
self.__row_data.append(self.__cell_data) self.__row_data.append(self.__cell_data)
def add_photo(self,name,pos,x,y): def add_photo(self,name,pos,x,y):
"""Add photo to report""" """Add photo to report"""
#print "add photo" #print "add photo"
pass
def horizontal_line(self): def horizontal_line(self):
self.__pc.moveto(self.__x, self.__y) self.__pc.moveto(self.__x, self.__y)
self.__pc.lineto(self.__right_margin, self.__y) self.__pc.lineto(self.right_margin, self.__y)
def write_cmdstr(self,text): def write_cmdstr(self,text):
""" """
@ -335,10 +497,11 @@ class LPRDoc(BaseDoc.BaseDoc):
text - text to write. text - text to write.
""" """
if self.__in_paragraph != 1: pass
self.start_paragraph() # if not self.paragraph:
# self.start_paragraph()
self.write(text) #
# self.write(text)
def draw_arc(self,style,x1,y1,x2,y2,angle,extent): def draw_arc(self,style,x1,y1,x2,y2,angle,extent):
pass pass
@ -359,7 +522,7 @@ class LPRDoc(BaseDoc.BaseDoc):
if text != None: if text != None:
__text_width=self.__get_text_width(text,fontstyle) __text_width=self.__get_text_width(text,fontstyle)
#try to center text in box #try to center text in box
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle)) self.__pc.setfont(find_font_from_fontstyle(fontstyle))
self.__pc.moveto(self.__x+(__width/2)-(__text_width/2), self.__pc.moveto(self.__x+(__width/2)-(__text_width/2),
self.__y+(__height/2)) self.__y+(__height/2))
self.__pc.show(text) self.__pc.show(text)
@ -369,7 +532,7 @@ class LPRDoc(BaseDoc.BaseDoc):
para_style = box_style.get_paragraph_style() para_style = box_style.get_paragraph_style()
fontstyle = para_style.get_font() fontstyle = para_style.get_font()
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle)) self.__pc.setfont(find_font_from_fontstyle(fontstyle))
self.__pc.moveto(x, y) self.__pc.moveto(x, y)
self.__pc.show(text) self.__pc.show(text)
@ -382,7 +545,7 @@ class LPRDoc(BaseDoc.BaseDoc):
para_style = box_style.get_paragraph_style() para_style = box_style.get_paragraph_style()
fontstyle = para_style.get_font() fontstyle = para_style.get_font()
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle)) self.__pc.setfont(find_font_from_fontstyle(fontstyle))
self.__pc.moveto(x1,y1) self.__pc.moveto(x1,y1)
self.__pc.show(text) self.__pc.show(text)
@ -395,9 +558,9 @@ class LPRDoc(BaseDoc.BaseDoc):
#should we assume x1 y1 is the starting location #should we assume x1 y1 is the starting location
#and that the right margin is the right edge? #and that the right margin is the right edge?
__width=self.get_text_width(text) __width=self.get_text_width(text)
__center=self.__right_margin-self.__left_margin __center=self.right_margin-self.left_margin
__center-=__width/2 __center-=__width/2
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle)) self.__pc.setfont(find_font_from_fontstyle(fontstyle))
self.__pc.moveto(__center, self.__y) self.__pc.moveto(__center, self.__y)
self.__pc.show(text) self.__pc.show(text)
@ -408,30 +571,8 @@ class LPRDoc(BaseDoc.BaseDoc):
self.__pc.line_stroked(x1,y1,x2,y2) self.__pc.line_stroked(x1,y1,x2,y2)
def write_text(self,text): def write_text(self,text):
"""Write the text to the file""" """Add the text to the paragraph"""
#print "write text" self.__paragraph_text = self.__paragraph_text + text
#if we are in a cell add this text to cell_data
if self.__in_cell:
self.__cell_data=self.__cell_data+str(text)
return
#if we are in a paragraph add this text to the paragraph data
if self.__in_paragraph:
self.__paragraph_data=self.__paragraph_data+str(text)
return
# write_text() should only be called from within a paragraph!!!
#
# #if we are at the bottom of the page, create a new page
# if self.__y < self.__bottom_margin:
# self.end_page()
# self.start_page()
#
# #output data if we get this far (we are not in a paragaph or
# #a table)
# self.__x, self.__y=self.__print_text(text, self.__x, self.__y,
# self.__left_margin, self.__right_margin)
# #self.__y=self.__advance_line(self.__y)
def write_note(self,text,format,style_name): def write_note(self,text,format,style_name):
if format == 1: if format == 1:
@ -449,99 +590,96 @@ class LPRDoc(BaseDoc.BaseDoc):
#function to help us advance a line #function to help us advance a line
def __advance_line(self, y): def __advance_line(self, y):
return y - _LINE_SPACING new_y = y - _LINE_SPACING
if y < self.bottom_margin:
#function to determine the width of text
def __text_width(self, text, fontstyle):
font = self.find_font_from_fontstyle(fontstyle)
return font.get_width_utf8(text)
#this function tells us the minimum size that a column can be
#by returning the width of the largest word in the text
def __min_column_size (self, text,fontstyle):
__textlist=string.split(text, " ")
__max_word_size=0
for __word in __textlist:
__length=self.__text_width(__word+" "*3,fontstyle)
if __length > __max_word_size:
__max_word_size=__length
return __max_word_size
#function to fund out the height of the text between left_margin
# and right_margin -- kinda like __print_text, but without printing.
def __text_height(self, text, width, fontstyle):
nlines = 1
if width < self.__text_width(text,fontstyle):
#divide up text and print
textlist = string.split(text)
text = ""
for element in textlist:
if self.__text_width(text + element + " ",fontstyle) < width:
text = text + element + " "
else:
#__text contains as many words as this __width allows
nlines = nlines + 1
text = element + " "
#if __text still contains data, we will want to print it out
if text:
nlines = nlines + 1
return nlines * _LINE_SPACING
def __print_text(self, text, x, y, left_margin, right_margin,fontstyle):
__width=right_margin-left_margin
if y - _LINE_SPACING < self.__bottom_margin:
self.end_page() self.end_page()
self.start_page() self.start_page()
x=self.__x new_y = self.__y
y=self.__y return new_y
#all text will fit within the width provided def write_paragraph(self,paragraph,x,y,left_margin,right_margin):
if __width >= self.__text_width(text,fontstyle): """
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle)) Write the contents of the paragraph, observing per-piece info.
self.__pc.moveto(left_margin, y)
x=left_margin+self.__text_width(text,fontstyle) paragraph - GnomePrintParagraph instance
self.__pc.show(text) x,y - coordinates to start at
y=self.__advance_line(y) left_margin,right_margin - boundaries to obey
else: """
#divide up text and print width = right_margin - left_margin
__textlist=string.split(text, " ") avail_width = width
__text=""
for __element in __textlist: if y - _LINE_SPACING < self.bottom_margin:
if self.__text_width(__text+__element+" ",fontstyle) < __width: self.end_page()
__text=__text+__element+" " self.start_page()
x = self.__x
y = self.__y
x = left_margin
for (directive,text) in paragraph.get_piece_list():
fontstyle = BaseDoc.FontStyle(paragraph.get_fontstyle())
if directive == _START_BOLD:
fontstyle.set_bold(1)
elif directive == _END_BOLD:
fontstyle.set_bold(0)
elif directive == _LINE_BREAK:
y = self.__advance_line()
x = self.__x
return
elif directive == _PAGE_BREAK:
self.end_page()
self.start_page()
x = self.__x
y = self.__y
return
#all text will fit within the width provided
if not text:
continue
if avail_width >= get_text_width(text,fontstyle):
avail_width -= get_text_width(text,fontstyle)
self.__pc.setfont(find_font_from_fontstyle(fontstyle))
self.__pc.moveto(x, y)
x = x + get_text_width(text,fontstyle)
self.__pc.show(text)
else:
#divide up text and print
if x == left_margin:
the_text = ""
else: else:
#__text contains as many words as this __width allows the_text = " "
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle)) for element in text.split():
if get_text_width(the_text + element + " ",fontstyle) < avail_width:
the_text = the_text + element + " "
else:
#__text contains as many words as this __width allows
self.__pc.setfont(find_font_from_fontstyle(fontstyle))
self.__pc.moveto(x, y)
self.__pc.show(the_text)
the_text = element + " "
y = self.__advance_line(y)
x = left_margin
avail_width = width
#if not in table and cursor is below bottom margin
if (not self.__in_table) and (y < self.bottom_margin):
self.end_page()
self.start_page()
x = self.__x
y = self.__y
#if __text still contains data, we will want to print it out
if the_text:
self.__pc.setfont(find_font_from_fontstyle(fontstyle))
self.__pc.moveto(left_margin, y) self.__pc.moveto(left_margin, y)
self.__pc.show(__text) self.__pc.show(the_text)
__text=__element+" " avail_width = width - get_text_width(the_text,fontstyle)
y=self.__advance_line(y) y = self.__advance_line(y)
#if not in table and cursor is below bottom margin
if (not self.__in_table) and (y < self.__bottom_margin):
self.end_page()
self.start_page()
x=self.__x
y=self.__y
#if __text still contains data, we will want to print it out
if len(__text) > 0:
self.__pc.setfont(self.find_font_from_fontstyle(fontstyle))
self.__pc.moveto(left_margin, y)
self.__pc.show(__text)
y=self.__advance_line(y)
return (x,y) return (x,y)
def __output_table(self): def __output_table(self):
"""do calcs on data in table and output data in a formatted way""" """do calcs on data in table and output data in a formatted way"""
__min_col_size = [self.__right_margin - self.__left_margin] \ __min_col_size = [self.right_margin - self.left_margin] \
* self.__ncols * self.__ncols
__max_vspace = [0] * len(self.__table_data) __max_vspace = [0] * len(self.__table_data)
@ -551,19 +689,16 @@ class LPRDoc(BaseDoc.BaseDoc):
for __col in range(self.__ncols): for __col in range(self.__ncols):
if not self.__cell_widths[__row_num][__col]: if not self.__cell_widths[__row_num][__col]:
continue continue
if not self.__paragrapgh_styles[__row_num][__col]:
continue
fontstyle = self.__paragrapgh_styles[__row_num][__col].get_font()
__min = self.__min_column_size(__row[__col]+" "*3,fontstyle)
if __min < __min_col_size[__col]:
__min_col_size[__col] = __min
__max = self.__text_height(__row[__col], for paragraph in __row[__col]:
self.__cell_widths[__row_num][__col], __min = paragraph.get_min_width()
fontstyle) if __min < __min_col_size[__col]:
if __max > __max_vspace[__row_num]: __min_col_size[__col] = __min
__max_vspace[__row_num] = __max
__max = paragraph.get_height(
self.__cell_widths[__row_num][__col])
if __max > __max_vspace[__row_num]:
__max_vspace[__row_num] = __max
#now we have an idea of the max size of each column #now we have an idea of the max size of each column
#now output data in the table #now output data in the table
@ -575,7 +710,7 @@ class LPRDoc(BaseDoc.BaseDoc):
__min_table_width = __min_table_width + __size __min_table_width = __min_table_width + __size
#is table width larger than the width of the paper? #is table width larger than the width of the paper?
if __min_table_width > (self.__right_margin - self.__left_margin): if __min_table_width > (self.right_margin - self.left_margin):
print "Table does not fit onto the page.\n" print "Table does not fit onto the page.\n"
#for now we will assume left justification of tables #for now we will assume left justification of tables
@ -584,28 +719,24 @@ class LPRDoc(BaseDoc.BaseDoc):
#text in each row #text in each row
for __row_num in range(len(self.__table_data)): for __row_num in range(len(self.__table_data)):
__row = self.__table_data[__row_num] __row = self.__table_data[__row_num]
__x=self.__left_margin #reset so that x is at margin __x = self.left_margin #reset so that x is at margin
# If this row puts us below the bottom, start new page here # If this row puts us below the bottom, start new page here
if self.__y - __max_vspace[__row_num] < self.__bottom_margin: if self.__y - __max_vspace[__row_num] < self.bottom_margin:
self.end_page() self.end_page()
self.start_page() self.start_page()
__min_y=self.__y __min_y = self.__y
for __col in range(self.__ncols): for __col in range(self.__ncols):
if not self.__cell_widths[__row_num][__col]: if not self.__cell_widths[__row_num][__col]:
continue continue
if not self.__paragrapgh_styles[__row_num][__col]: if not __row[__col]:
continue continue
fontstyle = self.__paragrapgh_styles[__row_num][__col].get_font() for paragraph in __row[__col]:
__nothing, __y = self.write_paragraph(paragraph,
self.__x, self.__y, __x,
__x + self.__cell_widths[__row_num][__col])
__nothing, __y=self.__print_text(__row[__col], __x = __x + self.__cell_widths[__row_num][__col] # set up margin for this row
self.__x,
self.__y,
__x,
__x+self.__cell_widths[__row_num][__col],
fontstyle)
__x=__x+self.__cell_widths[__row_num][__col] # set up margin for this row
if __y < __min_y: # if we go below current lowest if __y < __min_y: # if we go below current lowest
__min_y=__y # column __min_y=__y # column