diff options
Diffstat (limited to 'TurtleArt/tablock.py')
| -rw-r--r-- | TurtleArt/tablock.py | 93 |
1 files changed, 84 insertions, 9 deletions
diff --git a/TurtleArt/tablock.py b/TurtleArt/tablock.py index ff392e0..cd5515e 100644 --- a/TurtleArt/tablock.py +++ b/TurtleArt/tablock.py @@ -24,7 +24,8 @@ import cairo from taconstants import (EXPANDABLE, EXPANDABLE_ARGS, OLD_NAMES, CONSTANTS, STANDARD_STROKE_WIDTH, BLOCK_SCALE, BOX_COLORS, - GRADIENT_COLOR, EXPANDABLE_FLOW, COLORDICT) + GRADIENT_COLOR, EXPANDABLE_FLOW, Color, + MEDIA_BLOCK2TYPE, BLOCKS_WITH_SKIN) from tapalette import (palette_blocks, block_colors, expandable_blocks, content_blocks, block_names, block_primitives, block_styles, special_block_colors) @@ -34,6 +35,36 @@ import sprites from tautils import (debug_output, error_output) +media_blocks_dictionary = {} # new media blocks get added here + +class Media(object): + """ Media objects can be images, audio files, videos, Journal + descriptions, or camera snapshots. """ + + ALL_TYPES = ('media', 'audio', 'video', 'descr', 'camera', 'camera1') + + def __init__(self, type_, value=None): + """ + type_ --- a string that indicates the kind of media: + media --- image + audio --- audio file + video --- video + descr --- Journal description + camera, camera1 --- camera snapshot + value --- a file path or a reference to a Sugar datastore object """ + if type_ not in Media.ALL_TYPES: + raise ValueError("Media.type must be one of " + + repr(Media.ALL_TYPES)) + self.type = type_ + self.value = value + + def __str__(self): + return '%s_%s' % (self.type, str(self.value)) + + def __repr__(self): + return 'Media(type=%s, value=%s)' % (repr(self.type), repr(self.value)) + + class Blocks: """ A class for the list of blocks and everything they share in common """ @@ -241,6 +272,13 @@ class Block: self.block_list.append_to_list(self) + def __repr__(self): + if self.is_value_block(): + name = self.get_value() + else: + name = self.name + return 'Block(%s)' % (repr(name)) + def get_visibility(self): ''' Should block be visible on the palette? ''' return self._visible @@ -277,6 +315,44 @@ class Block: return False return True + def is_value_block(self): + """ Return True iff this block is a value block (numeric, string, + media, etc.) """ + return self.primitive is None and self.values + + def get_value(self, add_type_prefix=True): + """ Return the value stored in this value block or None if this is + not a value block + add_type_prefix -- prepend a prefix to indicate the type of the + 'raw' value """ + if not self.is_value_block(): + return None + + if self.name == 'number': + try: + return float(self.values[0]) + except ValueError: + return float(ord(self.values[0][0])) + elif (self.name == 'string' or + self.name == 'title'): # deprecated block + if add_type_prefix: + result = '#s' + else: + result = '' + if isinstance(self.values[0], (float, int)): + if int(self.values[0]) == self.values[0]: + self.values[0] = int(self.values[0]) + result += str(self.values[0]) + else: + result += self.values[0] + return result + elif self.name in MEDIA_BLOCK2TYPE: + return Media(MEDIA_BLOCK2TYPE[self.name], self.values[0]) + elif self.name in media_blocks_dictionary: + return Media('media', self.name.upper()) + else: + return None + def highlight(self): """ We may want to highlight a block... """ if self.spr is not None and self.status is not 'collapsed': @@ -529,13 +605,12 @@ class Block: else: self._set_labels(i, str(v)) elif self.type == 'block' and self.name in CONSTANTS: - if CONSTANTS[self.name] in COLORDICT: - v = COLORDICT[CONSTANTS[self.name]][0] - if v is None: - v = COLORDICT[CONSTANTS[self.name]][1] + if isinstance(CONSTANTS[self.name], Color): + v = int(CONSTANTS[self.name]) else: v = CONSTANTS[self.name] - self._set_labels(0, block_names[self.name][0] + ' = ' + str(v)) + if self.name not in BLOCKS_WITH_SKIN: + self._set_labels(0, block_names[self.name][0] + ' = ' + str(v)) elif self.name in block_names: for i, n in enumerate(block_names[self.name]): @@ -561,11 +636,11 @@ class Block: if n == 0: n = 1 # Force a scale to be set, even if there is no value. else: + n = 0 if self.name in block_names: n = len(block_names[self.name]) - else: + elif self.name not in BLOCKS_WITH_SKIN: debug_output('WARNING: unknown block name %s' % (self.name)) - n = 0 for i in range(n): if i > 0: size = int(self.font_size[1] + 0.5) @@ -973,7 +1048,7 @@ class Block: self._make_block_graphics(svg, self.svg.basic_block) self.docks = [['flow', True, self.svg.docks[0][0], self.svg.docks[0][1]], - ['unavailable', True, 0, self.svg.docks[0][1] + 10, '['], + ['flow', True, 0, self.svg.docks[0][1] + 10, '['], ['flow', False, self.svg.docks[1][0], self.svg.docks[1][1], ']']] |