249 lines
7.5 KiB
Python
249 lines
7.5 KiB
Python
############################################################
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# FlatCAM: 2D Post-processing for Manufacturing #
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# http://caram.cl/software/flatcam #
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# Author: Juan Pablo Caram (c) #
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# Date: 2/5/2014 #
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# MIT Licence #
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############################################################
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import re
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from copy import copy
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from gi.repository import Gtk
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from FlatCAM_GTK import FlatCAMApp
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class RadioSet(Gtk.Box):
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def __init__(self, choices):
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"""
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The choices are specified as a list of dictionaries containing:
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* 'label': Shown in the UI
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* 'value': The value returned is selected
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:param choices: List of choices. See description.
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:type choices: list
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"""
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Gtk.Box.__init__(self)
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self.choices = copy(choices)
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self.group = None
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for choice in self.choices:
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if self.group is None:
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choice['radio'] = Gtk.RadioButton.new_with_label(None, choice['label'])
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self.group = choice['radio']
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else:
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choice['radio'] = Gtk.RadioButton.new_with_label_from_widget(self.group, choice['label'])
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self.pack_start(choice['radio'], expand=True, fill=False, padding=2)
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choice['radio'].connect('toggled', self.on_toggle)
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self.group_toggle_fn = lambda x, y: None
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def on_toggle(self, btn):
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if btn.get_active():
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self.group_toggle_fn(btn, self.get_value)
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return
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def get_value(self):
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for choice in self.choices:
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if choice['radio'].get_active():
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return choice['value']
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FlatCAMApp.App.log.error("No button was toggled in RadioSet.")
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return None
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def set_value(self, val):
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for choice in self.choices:
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if choice['value'] == val:
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choice['radio'].set_active(True)
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return
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FlatCAMApp.App.log.error("Value given is not part of this RadioSet: %s" % str(val))
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class LengthEntry(Gtk.Entry):
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"""
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A text entry that interprets its string as a
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length, with or without specified units. When the user reads
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the value, it is interpreted and replaced by a floating
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point representation of the value in the default units. When
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the entry is activated, its string is repalced by the interpreted
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value.
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Example:
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Default units are 'IN', input is "1.0 mm", value returned
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is 1.0/25.4 = 0.03937.
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"""
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def __init__(self, output_units='IN'):
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"""
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:param output_units: The default output units, 'IN' or 'MM'
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:return: LengthEntry
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"""
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Gtk.Entry.__init__(self)
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self.output_units = output_units
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self.format_re = re.compile(r"^([^\s]+)(?:\s([a-zA-Z]+))?$")
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# Unit conversion table OUTPUT-INPUT
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self.scales = {
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'IN': {'IN': 1.0,
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'MM': 1/25.4},
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'MM': {'IN': 25.4,
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'MM': 1.0}
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}
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self.connect('activate', self.on_activate)
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def on_activate(self, *args):
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"""
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Entry "activate" callback. Replaces the text in the
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entry with the value returned by `get_value()`.
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:param args: Ignored.
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:return: None.
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"""
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val = self.get_value()
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if val is not None:
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self.set_text(str(val))
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else:
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FlatCAMApp.App.log.warning("Could not interpret entry: %s" % self.get_text())
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def get_value(self):
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"""
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Fetches, interprets and returns the value in the entry. The text
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is parsed to find the numerical expression and the (input) units (if any).
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The numerical expression is interpreted and scaled acording to the
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input and output units `self.output_units`.
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:return: Floating point representation of the value in the entry.
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:rtype: float
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"""
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raw = self.get_text().strip(' ')
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match = self.format_re.search(raw)
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if not match:
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return None
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try:
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if match.group(2) is not None and match.group(2).upper() in self.scales:
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return float(eval(match.group(1)))*self.scales[self.output_units][match.group(2).upper()]
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else:
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return float(eval(match.group(1)))
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except:
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FlatCAMApp.App.log.warning("Could not parse value in entry: %s" % str(raw))
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return None
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def set_value(self, val):
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self.set_text(str(val))
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class FloatEntry(Gtk.Entry):
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def __init__(self):
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Gtk.Entry.__init__(self)
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self.connect('activate', self.on_activate)
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def on_activate(self, *args):
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val = self.get_value()
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if val is not None:
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self.set_text(str(val))
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else:
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FlatCAMApp.App.log.warning("Could not interpret entry: %s" % self.get_text())
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def get_value(self):
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raw = self.get_text().strip(' ')
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try:
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evaled = eval(raw)
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except:
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FlatCAMApp.App.log.error("Could not evaluate: %s" % str(raw))
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return None
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return float(evaled)
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def set_value(self, val):
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self.set_text(str(val))
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class IntEntry(Gtk.Entry):
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def __init__(self):
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Gtk.Entry.__init__(self)
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def get_value(self):
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return int(self.get_text())
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def set_value(self, val):
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self.set_text(str(val))
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class FCEntry(Gtk.Entry):
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def __init__(self):
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Gtk.Entry.__init__(self)
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def get_value(self):
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return self.get_text()
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def set_value(self, val):
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self.set_text(str(val))
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class EvalEntry(Gtk.Entry):
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def __init__(self):
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Gtk.Entry.__init__(self)
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def on_activate(self, *args):
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val = self.get_value()
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if val is not None:
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self.set_text(str(val))
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else:
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FlatCAMApp.App.log.warning("Could not interpret entry: %s" % self.get_text())
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def get_value(self):
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raw = self.get_text().strip(' ')
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try:
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return eval(raw)
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except:
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FlatCAMApp.App.log.error("Could not evaluate: %s" % str(raw))
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return None
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def set_value(self, val):
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self.set_text(str(val))
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class FCCheckBox(Gtk.CheckButton):
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def __init__(self, label=''):
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Gtk.CheckButton.__init__(self, label=label)
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def get_value(self):
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return self.get_active()
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def set_value(self, val):
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self.set_active(val)
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class FCTextArea(Gtk.ScrolledWindow):
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def __init__(self):
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# Gtk.ScrolledWindow.__init__(self)
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# FlatCAMApp.App.log.debug('Gtk.ScrolledWindow.__init__(self)')
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super(FCTextArea, self).__init__()
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FlatCAMApp.App.log.debug('super(FCTextArea, self).__init__()')
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self.set_size_request(250, 100)
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FlatCAMApp.App.log.debug('self.set_size_request(250, 100)')
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textview = Gtk.TextView()
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#print textview
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#FlatCAMApp.App.log.debug('self.textview = Gtk.TextView()')
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#self.textbuffer = self.textview.get_buffer()
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#FlatCAMApp.App.log.debug('self.textbuffer = self.textview.get_buffer()')
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#self.textbuffer.set_text("(Nothing here!)")
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#FlatCAMApp.App.log.debug('self.textbuffer.set_text("(Nothing here!)")')
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#self.add(self.textview)
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#FlatCAMApp.App.log.debug('self.add(self.textview)')
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#self.show()
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def set_value(self, val):
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#self.textbuffer.set_text(str(val))
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return
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def get_value(self):
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#return self.textbuffer.get_text()
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return "" |