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authorWalter Bender <walter.bender@gmail.com>2012-07-19 18:20:21 (GMT)
committer Walter Bender <walter.bender@gmail.com>2012-07-19 18:20:21 (GMT)
commitb4d68da4fcd0add36e2136e7f96bf510090c2781 (patch)
treed058cc2b14daf07865ae5c4c69692cc8ac53a670 /plugins
parent7210431c0d0745c42c5963c83236c4241846c0a2 (diff)
added load block to extras palette
Diffstat (limited to 'plugins')
-rw-r--r--plugins/turtle_blocks_extras/turtle_blocks_extras.py80
1 files changed, 80 insertions, 0 deletions
diff --git a/plugins/turtle_blocks_extras/turtle_blocks_extras.py b/plugins/turtle_blocks_extras/turtle_blocks_extras.py
index be25fdc..69ce736 100644
--- a/plugins/turtle_blocks_extras/turtle_blocks_extras.py
+++ b/plugins/turtle_blocks_extras/turtle_blocks_extras.py
@@ -32,6 +32,10 @@ from TurtleArt.tautils import convert, round_int, debug_output, get_path, \
data_to_string
from TurtleArt.tajail import myfunc, myfunc_import
+from TurtleArt.tapalette import block_names, block_primitives, \
+ special_names, content_blocks
+from TurtleArt.tautils import find_group
+
def _num_type(x):
""" Is x a number type? """
@@ -688,6 +692,16 @@ module found in the Journal'))
special_name=_('top'),
help_string=_('top of a collapsed stack'))
+ primitive_dictionary['loadblock'] = self._prim_load_block
+ palette.add_block('loadblock',
+ style='basic-style-1arg',
+ label=_('load'),
+ prim_name='loadblock',
+ default=_('forward'),
+ help_string=_('loads a block'))
+ self.tw.lc.def_prim('loadblock', 1,
+ lambda self, x: primitive_dictionary['loadblock'](x))
+
def _portfolio_palette(self):
palette = make_palette('portfolio',
@@ -1403,6 +1417,72 @@ bullets'))
self.tw.lc.ireturn()
yield True
+ def _prim_load_block(self, blkname):
+ ''' Load a block on to the canvas '''
+ # Place the block at the active turtle (x, y) and move the turtle
+ # into position to place the next block in the stack.
+ # TODO: Add expandable argument
+ x, y = self.tw.active_turtle.get_xy()
+ if type(blkname) == type([]):
+ name = blkname[0]
+ value = blkname[1:]
+ dy = int(self._find_block(name, x, y, value))
+ else:
+ name = blkname
+ if name == 'delete':
+ for blk in self.tw.just_blocks():
+ if blk.status == 'load block':
+ blk.type = 'trash'
+ blk.spr.hide()
+ dy = 0
+ else:
+ dy = int(self._find_block(name, x, y))
+
+ # Account for block overlaps by adding back 4 pixels
+ self.tw.active_turtle.move((x, y + dy))
+
+ def _make_block(self, name, x, y, defaults):
+ x_pos = x + 20
+ y_pos = y + 20
+ self.tw._new_block(name, x_pos, y_pos, defaults)
+
+ # Find the block we just created and attach it to a stack.
+ self.tw.drag_group = None
+ spr = self.tw.sprite_list.find_sprite((x_pos, y_pos))
+ if spr is not None:
+ blk = self.tw.block_list.spr_to_block(spr)
+ if blk is not None:
+ self.tw.drag_group = find_group(blk)
+ for b in self.tw.drag_group:
+ b.status = 'load block'
+ self.tw._snap_to_dock()
+
+ # Disassociate new block from mouse.
+ self.tw.drag_group = None
+ return blk.docks[-1][3] * self.tw.scale
+
+ def _find_block(self, blkname, x, y, defaults=None):
+ """ Create a new block. It is a bit more work than just calling
+ _new_block(). We need to:
+ (1) translate the label name into the internal block name;
+ (2) 'dock' the block onto a stack where appropriate; and
+ (3) disassociate the new block from the mouse. """
+ for name in block_names:
+ # Translate label name into block/prim name.
+ if blkname in block_names[name]:
+ if (name in block_primitives and \
+ block_primitives[name] == name) or \
+ name in content_blocks:
+ return self._make_block(name, x, y, defaults)
+ for name in special_names:
+ # Translate label name into block/prim name.
+ if blkname in special_names[name]:
+ return _make_block(name, x, y, defaults)
+ # Check for a macro
+ # Block not found
+ raise logoerror("#syntaxerror")
+ return -1
+
# Deprecated blocks
def _prim_t1x1(self, title, media):