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# -*- coding: utf-8 -*-
#Copyright (c) 2010 Walter Bender
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in
#all copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#THE SOFTWARE.
from constants import *
import sprite_factory
import sprites
from gettext import gettext as _
#
# A class for the list of blocks and everything they share in common
#
class Blocks:
def __init__(self):
self.list = []
def get_block(self, i):
if i < 0 or i > len(self.list)-1:
return(None)
else:
return(self.list[i])
def length_of_list(self):
return(len(self.list))
def append_to_list(self,block):
self.list.append(block)
def remove_from_list(self, block):
if block in self.list:
self.list.remove(block)
def print_list(self):
for i, block in enumerate(self.list):
print "%d: %s" % (i, block.name)
#
# sprite utilities
#
def spr_to_block(self, spr):
for b in self.list:
if spr == b.spr:
return b
return None
#
# A class for the individual blocks
#
class Block:
def __init__(self, block_list, sprite_list, proto_name, x, y, labels=[],
colors=["#00FF00","#00A000"], scale=2.0):
self.spr = None
self.shape = None
self.selected_shape = None
self.name = proto_name
self.docks = None
self.connections = None
self._new_block_from_prototype(sprite_list, proto_name, labels, colors,
scale, x, y)
block_list.append_to_list(self)
#
# TODO:
# Logo code
# HTML code
# debug code
# etc.
def _new_block_from_prototype(self, sprite_list, name, labels, colors,
scale, x, y):
if len(labels) == 0:
print "new block: %s (%d %d)" % (name, x, y)
else:
print "new block: %s %s (%d %d)" % (name, labels[0], x, y)
svg = sprite_factory.SVG()
if name in TURTLE_PALETTE:
svg.set_colors(TURTLE_COLORS)
elif name in PEN_PALETTE:
svg.set_colors(PEN_COLORS)
elif name in NUMBER_PALETTE:
svg.set_colors(NUMBER_COLORS)
elif name in BLOCKS_PALETTE:
svg.set_colors(BLOCKS_COLORS)
elif name in MISC_PALETTE:
svg.set_colors(MISC_COLORS)
elif name in FLOW_PALETTE:
svg.set_colors(FLOW_COLORS)
elif name in PORTFOLIO_PALETTE:
svg.set_colors(PORTFOLIO_COLORS)
svg.set_scale(scale)
svg.set_gradiant(True)
svg.set_innie([False])
svg.set_outie(False)
svg.set_tab(True)
svg.set_slot(True)
xoff = INNIE*scale-2
yoff = SLOTY*scale-1
if name in BASIC_STYLE:
svg.expand(40,0)
self._make_basic_block(sprite_list, svg, x, y)
self.docks = (('flow',True,0,2),('flow',False,0,self.height-yoff))
elif name in BASIC_STYLE_HEAD:
svg.expand(40,0)
svg.set_slot(False)
self._make_basic_block(sprite_list, svg, x, y)
self.docks = (('start',True,0,2),('flow',False,0,self.height-yoff))
elif name in BASIC_STYLE_HEAD_1ARG:
svg.expand(40,0)
svg.set_slot(False)
self._make_basic_block(sprite_list, svg, x, y)
self.docks = (('start',True,0,0), ('string',False,self.width,12),
('flow',False,0,self.height-yoff))
elif name in BASIC_STYLE_TAIL:
svg.expand(40,0)
svg.set_tab(False)
self._make_basic_block(sprite_list, svg, x, y)
self.docks = (('flow',True,0,2),('unavailable',False,0,0))
elif name in BASIC_STYLE_1ARG:
svg.expand(25,0)
svg.set_innie([True])
self._make_basic_block(sprite_list, svg, x, y)
self.docks = (('flow',True,0,2), ('num',False,self.width-xoff,12),
('flow',False,0,self.height-yoff))
elif name in BASIC_STYLE_2ARG:
svg.expand(25,0)
svg.set_innie([True,True])
self._make_basic_block(sprite_list, svg, x, y)
self.docks = (('flow',True,0,2), ('num',False,self.width-xoff,12),
('num',False,self.width-xoff,54),
('flow',False,0,self.height-yoff))
elif name in BOX_STYLE:
svg.expand(40,0)
self._make_basic_box(sprite_list, svg, x, y)
self.docks = (('num',True,0,12),('unavailable',False,0,12))
else:
svg.expand(40,0)
self._make_basic_block(sprite_list, svg, x, y)
self.docks = (('flow',True,0,2),('flow',False,0,self.height-yoff))
print "don't know how to create a block for %s" % (name)
if len(labels) > 0:
self.spr.set_label(_(labels[0]))
for label in labels:
self.spr.set_label(label, labels.index(label))
self.type = 'block'
if DEFAULTS.has_key(name):
self.defaults = DEFAULTS[name]
else:
self.defaults = []
def _make_basic_block(self, sprite_list, svg, x, y):
self.shape = sprite_factory.svg_str_to_pixbuf(svg.basic_block())
self.width = svg.get_width()
self.height = svg.get_height()
svg.set_stroke_width(SELECTED_STROKE_WIDTH)
svg.set_stroke_color(SELECTED_COLOR)
self.selected_shape =\
sprite_factory.svg_str_to_pixbuf(svg.basic_block())
self.spr = sprites.Sprite(sprite_list, x, y, self.shape)
def _make_basic_box(self, sprite_list, svg, x, y):
self.shape = sprite_factory.svg_str_to_pixbuf(svg.basic_box())
self.width = svg.get_width()
self.height = svg.get_height()
svg.set_stroke_width(SELECTED_STROKE_WIDTH)
svg.set_stroke_color(SELECTED_COLOR)
self.selected_shape = sprite_factory.svg_str_to_pixbuf(svg.basic_box())
self.spr = sprites.Sprite(sprite_list, x, y, self.shape)
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