def __init__(self, name, width=None):
self.name = name
self.value_list = []
if width:
self.width = width
else:
self.width = 72
self.height = 11
## Header
self.header = Field(name)
self.header.format = format_title
self.header.style.bold = True
self.header.style.color = (1,1,1)
self.header.style.horizontal_alignment = alignment.CENTER
#self.header.box.bottom_border = 1
self.header.box.background_color = (0,0,0)
## Row
self.row = Field()
## Footer
self.footer = Field()
#self.footer.style.bold = True
self.footer.box.top_border = 1
self.footer.style.horizontal_alignment = alignment.CENTER
self.footer.value = None
class Heading(object):
def __init__(self, value):
self.field = Field(value)
self.field.style.vertical_padding = 2
self.field.style.bold = True
self.field.style.size = 9
self.field.style.horizontal_alignment = alignment.CENTER
self.skip = 10
self._drew_skip = False
self._drew_title = False
#-----------------------------------------------------------------Draw Some
def draw_some(self, canvas, left, right, yoff, vspace):
if not self._drew_skip:
height = self.skip
if height < vspace:
used = height
else:
used = vspace
self._drew_skip = True
elif not self._drew_title:
height = self.field.get_height()
## Is there enought room for the title?
if height < vspace:
self.field.width = right - left
self.field.draw(canvas, left, yoff)
self._drew_title = True
used = height
## If not, force a new page
else:
used = vspace
## We're done
else:
used = 0
return used
def __init__(self, value):
self.field = Field(value)
self.field.style.vertical_padding = 2
self.field.style.bold = True
self.field.style.size = 9
self.field.style.horizontal_alignment = alignment.CENTER
self.skip = 10
self._drew_skip = False
self._drew_title = False
#------------------------------------------------------------------------------ # file: podunk/prefab/fields.py # author: Jim Storch #------------------------------------------------------------------------------ from podunk.widget.field import Field from podunk.prefab.styles import HEADER_STYLE from podunk.prefab.boxes import HEADER_BOX ## You need to do a copy.copy(FIELD_NAME) in order to use a prefab field in ## multiple spots HEADER_FIELD = Field() HEADER_FIELD.style = HEADER_STYLE HEADER.box = HEADER_BOX
class Column(object):
def __init__(self, name, width=None):
self.name = name
self.value_list = []
if width:
self.width = width
else:
self.width = 72
self.height = 11
## Header
self.header = Field(name)
self.header.format = format_title
self.header.style.bold = True
self.header.style.color = (1,1,1)
self.header.style.horizontal_alignment = alignment.CENTER
#self.header.box.bottom_border = 1
self.header.box.background_color = (0,0,0)
## Row
self.row = Field()
## Footer
self.footer = Field()
#self.footer.style.bold = True
self.footer.box.top_border = 1
self.footer.style.horizontal_alignment = alignment.CENTER
self.footer.value = None
#--------------------------------------------------------------------Append
def append(self, value):
self.value_list.append(value)
#---------------------------------------------------------------Draw Header
def draw_header(self, canvas, x, y):
self.header.width = self.width
self.header.height = self.height
self.header.draw(canvas, x, y)
#------------------------------------------------------------------Draw Row
def draw_row(self, canvas, x, y, row_number):
if row_number % 2:
self.row.box.background_color = (.90,1,.85)
else:
self.row.box.background_color = (1,1,1)
self.row.value = self.value_list[row_number]
self.row.width = self.width
self.row.height = self.height
self.row.draw(canvas, x, y)
#---------------------------------------------------------------Draw Footer
def draw_footer(self, canvas, x, y):
if self.footer.value != None:
self.footer.width = self.width
self.footer.height = self.height
self.footer.draw(canvas, x, y)
#----------------------------------------------------------------Find Width
def find_width(self, canvas):
"""
Return the width of the widest element in this column.
"""
widths = []
widths.append(self.header.get_width(canvas))
widths.append(self.footer.get_width(canvas))
for value in self.value_list:
self.row.value = value
widths.append(self.row.get_width(canvas))
return max(widths)
#----------------------------------------------------------------Auto Width
def auto_width(self, canvas):
"""
Set the column width to the widest element found.
"""
self.width = self.find_width(canvas)
def __init__(self, pdf_file=None):
self.pdf_file = pdf_file
self.title = 'Untitled Report'
self.author = 'Podunk'
self.page_width, self.page_height = paper.LETTER_PORTRAIT
self.left_margin = 54
self.top_margin = 72
self.right_margin = 54
self.bottom_margin = 72
## Metrics
self._top_edge = self.page_height - 1
self._right_edge = self.page_width - 1
self._bottom_edge = 0
self._left_edge = 0
self._working_width = self.page_width - (
self.right_margin + self.left_margin )
self._working_height = self.page_height - (
self.top_margin + self.bottom_margin )
## Create the ReportLab Canvas
self.canvas = Canvas(self.pdf_file, pagesize = (self.page_width,
self.page_height))
## Create the page header
self.header = Field()
self.header.box.bottom_border = 2
self.header.box.line_cap = 1
#self.header.box.border_color = (.6,.6,.6)
self.header.style.vertical_padding = 6
self.header.style.bold = True
self.header.style.size = 10
#self.header.style.color = (.6,.6,.6)
self.header.style.horizontal_alignment = alignment.RIGHT
self.header.width = self._working_width
## Create the page footer
self.footer = Field()
self.footer.box.top_border = 1
self.footer.box.line_cap = 1
#self.footer.box.border_color = (.6,.6,.6)
self.footer.style.horizontal_alignment = alignment.CENTER
self.footer.style.vertical_alignment = alignment.TOP
#self.footer.style.color = (.6,.6,.6)
self.footer.width = self._working_width
self.footer.style.size = 8
## Create the date label
self.date = Field(datetime.datetime.today())
self.date.format = format_report_date
self.date.style.vertical_alignment = alignment.TOP
#self.date.style.color = (.6,.6,.6)
#self.date.style.horizontal_padding = 0
self.date.style.size = 8
## Create the page number label; 'Page X of'
self.page_num = Field()
self.page_num.style.horizontal_alignment = alignment.RIGHT
self.page_num.style.vertical_alignment = alignment.TOP
self.page_num.width = self._working_width - 13
#self.page_num.style.color = (.6,.6,.6)
self.page_num.horizontal_padding = 0
self.page_num.style.size = 8
## Create the last page number label
self.last_page = Field()
#self.last_page.style.horizontal_alignment = alignment.LEFT
self.last_page.style.vertical_alignment = alignment.TOP
#self.last_page.width = self._working_width
#self.last_page.style.color = (.6,.6,.6)
self.last_page.horizontal_padding = 0
self.last_page.style.size = 8
## Objects to be drawn
self.draw_list = []
self._page_count = 1
class Report(object):
def __init__(self, pdf_file=None):
self.pdf_file = pdf_file
self.title = 'Untitled Report'
self.author = 'Podunk'
self.page_width, self.page_height = paper.LETTER_PORTRAIT
self.left_margin = 54
self.top_margin = 72
self.right_margin = 54
self.bottom_margin = 72
## Metrics
self._top_edge = self.page_height - 1
self._right_edge = self.page_width - 1
self._bottom_edge = 0
self._left_edge = 0
self._working_width = self.page_width - (
self.right_margin + self.left_margin )
self._working_height = self.page_height - (
self.top_margin + self.bottom_margin )
## Create the ReportLab Canvas
self.canvas = Canvas(self.pdf_file, pagesize = (self.page_width,
self.page_height))
## Create the page header
self.header = Field()
self.header.box.bottom_border = 2
self.header.box.line_cap = 1
#self.header.box.border_color = (.6,.6,.6)
self.header.style.vertical_padding = 6
self.header.style.bold = True
self.header.style.size = 10
#self.header.style.color = (.6,.6,.6)
self.header.style.horizontal_alignment = alignment.RIGHT
self.header.width = self._working_width
## Create the page footer
self.footer = Field()
self.footer.box.top_border = 1
self.footer.box.line_cap = 1
#self.footer.box.border_color = (.6,.6,.6)
self.footer.style.horizontal_alignment = alignment.CENTER
self.footer.style.vertical_alignment = alignment.TOP
#self.footer.style.color = (.6,.6,.6)
self.footer.width = self._working_width
self.footer.style.size = 8
## Create the date label
self.date = Field(datetime.datetime.today())
self.date.format = format_report_date
self.date.style.vertical_alignment = alignment.TOP
#self.date.style.color = (.6,.6,.6)
#self.date.style.horizontal_padding = 0
self.date.style.size = 8
## Create the page number label; 'Page X of'
self.page_num = Field()
self.page_num.style.horizontal_alignment = alignment.RIGHT
self.page_num.style.vertical_alignment = alignment.TOP
self.page_num.width = self._working_width - 13
#self.page_num.style.color = (.6,.6,.6)
self.page_num.horizontal_padding = 0
self.page_num.style.size = 8
## Create the last page number label
self.last_page = Field()
#self.last_page.style.horizontal_alignment = alignment.LEFT
self.last_page.style.vertical_alignment = alignment.TOP
#self.last_page.width = self._working_width
#self.last_page.style.color = (.6,.6,.6)
self.last_page.horizontal_padding = 0
self.last_page.style.size = 8
## Objects to be drawn
self.draw_list = []
self._page_count = 1
#-----------------------------------------------------------------------Add
def add(self, item):
## Add any object that, duck-typingly, has a 'draw_some' method
self.draw_list.append(item)
#--------------------------------------------------------------------Create
def create(self):
self.canvas.setAuthor(self.author)
self.canvas.setTitle(self.title)
self.canvas.setSubject('Python Generated Report')
self._draw_header()
self._draw_footer()
vspace = self._working_height
left = self.left_margin
right = self.page_width - self.right_margin
for item in self.draw_list:
while True:
if vspace < 1:
self._start_new_page()
vspace = self._working_height
yoff = self.bottom_margin + vspace
used = item.draw_some(self.canvas, left, right, yoff, vspace)
if used == 0:
break
else:
vspace -= used
## Add the numbering for last page
## We have to do this as a PDF 'Form' object since we don't know in
## advance how many pages there will be.
self.canvas.beginForm('last_page')
self.canvas.saveState()
self.last_page.value = '%d' % self._page_count
self.last_page.draw(self.canvas,
self._right_edge - ( self.right_margin + 14),
self.bottom_margin * .65)
self.canvas.restoreState()
self.canvas.endForm()
## Close the PDF
self.canvas.save()
#----------------------------------------------------------------Start Page
def _start_new_page(self):
self._page_count += 1
self.canvas.showPage()
self._draw_header()
self._draw_footer()
#---------------------------------------------------------------Draw Header
def _draw_header(self):
self.header.value = self.title
self.header.draw(self.canvas, self.left_margin, self._top_edge -
(self.top_margin * .65) )
#---------------------------------------------------------------Draw Footer
def _draw_footer(self):
self.footer.value = self.author
self.footer.draw(self.canvas, self.left_margin,
self.bottom_margin * .65)
self.date.draw(self.canvas, self.left_margin,
self.bottom_margin * .65)
self.page_num.value = 'Page %d of ' % self._page_count
self.page_num.draw(self.canvas, self.left_margin,
self.bottom_margin * .65)
self.canvas.doForm('last_page')
