255 lines
8.2 KiB
Python
255 lines
8.2 KiB
Python
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import os
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import os.path
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import xml.etree.ElementTree as etree
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from PyQt4 import QtGui, QtCore
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from numpy import arange, sin, pi, array, linspace, arange
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from temp_level import TempLevel, set_colors
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from edge_widget import Edge
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from control_widgets import AddRemoveWidget
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def getTemperature():
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return 20.
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class Solder(QtCore.QObject):
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log_message = QtCore.pyqtSignal(str)
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def __init__(self, filename, name=str(), description=str(), parent=None):
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super(Solder, self).__init__(parent)
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self.changed = False
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self.filename = filename
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self.name = name
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self.description = description
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self.temp_levels = list()
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self.edges = list()
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def __unicode__(self):
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return unicode(self.name)
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def __str__(self):
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return self.name
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def add_temp_level(self, name, temp, is_env):
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s = TempLevel(name, temp, is_env)
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self.temp_levels.append(s)
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return s
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def get_temp_level_by_name(self, name):
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assert isinstance(name, basestring)
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for i in self.temp_levels:
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if i.name == name:
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return i
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return None
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def calc_profile(self):
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self.log = list()
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x = list()
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y = list()
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duration_points = dict()
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rate_points = dict()
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time = 0
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def calc(edge):
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if edge.duration:
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return time + edge.duration
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elif edge.rate:
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return time + (edge.to_tl.temp - edge.from_tl.temp) / edge.rate
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else:
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raise Exception("edge %r has neither duration nor rate set" % edge)
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for _edge in self.edges:
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x.append(float(time))
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y.append(float(_edge.from_tl.temp))
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time = calc(_edge)
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x.append(time)
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y.append(_edge.to_tl.temp)
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return array(x), array(y), min(x), max(x), min(y), max(y)
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@staticmethod
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def unpack(filename, parent):
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xmltree = etree.parse(filename)
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root = xmltree.getroot()
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solder_node = root[0]
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s = Solder(filename, solder_node.attrib["name"], solder_node.attrib["description"], parent)
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env_count = 0
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for temp_level in solder_node.findall("state"):
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tstr = temp_level.attrib["temperature"]
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is_env = False
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try:
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temp = int(tstr)
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except ValueError:
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if tstr == "$ENV":
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temp = getTemperature()
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is_env = True
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env_count += 1
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s.add_temp_level(temp_level.attrib["name"], temp, is_env)
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set_colors(s.temp_levels)
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for edge in solder_node.findall("edge"):
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from_tl = s.get_temp_level_by_name(edge.attrib["from"])
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to_tl = s.get_temp_level_by_name(edge.attrib["to"])
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duration = None
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rate = None
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try:
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duration = float(edge.attrib["duration"])
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except ValueError:
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pass
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try:
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rate = float(edge.attrib["rate"])
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except ValueError:
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pass
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e = Edge(from_tl, to_tl, duration, rate)
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s.edges.append(e)
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return s
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def save(self):
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if self.changed:
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solder_node = etree.Element("solder_type", {"name" : self.name, "description" : self.description})
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for temp_level in self.temp_levels:
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temp = temp_level.is_env and "$ENV" or str(temp_level.temp)
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solder_node.append(etree.Element("state", {"name" : temp_level.name, "temperature" : temp}))
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for edge in self.edges:
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element = etree.Element("edge", {
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"from" : edge.from_tl.name,
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"to" : edge.to_tl.name,
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"duration" : str(edge.duration),
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"rate" : str(edge.rate)})
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solder_node.append(element)
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dirname = SolderListModel.dirname()
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root = etree.Element("xml")
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root.append(solder_node)
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if self.filename is None:
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self.filename = os.path.join(dirname, self.name + ".xml")
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etree.ElementTree(root).write(self.filename, "UTF-8", True)
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self.changed = False
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def setChanged(self):
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self.changed = True
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class SolderListModel(QtCore.QAbstractListModel):
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def __init__(self, parent=None, *args):
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""" datain: a list where each item is a row
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"""
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super(SolderListModel, self).__init__(parent, *args)
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self._load_solder_list()
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def rowCount(self, parent=QtCore.QModelIndex()):
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return len(self.solder_list)
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def _load_solder_list(self):
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dirname = self.dirname()
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dirlisting = filter(lambda x: os.path.splitext(x)[1] == ".xml", os.listdir(dirname))
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self.solder_list = []
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for p in dirlisting:
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self.solder_list.append(Solder.unpack(os.path.join(dirname, p), self))
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self.solder_list.sort(key=lambda x: x.name)
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self.reset()
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def headerData(self, col, orientation, role):
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if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole:
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return QtCore.QVariant("Solder Paste")
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return QtCore.QVariant()
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def data(self, index, role):
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if not index.isValid():
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return QtCore.QVariant()
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solder = self.solder_list[index.row()]
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if role == QtCore.Qt.DisplayRole:
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return QtCore.QVariant(solder.name)
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elif role == QtCore.Qt.DecorationRole and solder.changed:
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return QtGui.QIcon.fromTheme("document-save")
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def setData(self, index, variant, role):
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if index.isValid() and role == QtCore.Qt.EditRole:
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new_name = str(variant.toString())
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if new_name and new_name != "":
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self.solder_list[index.row()].name = new_name
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self.solder_list[index.row()].changed = True
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return True
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return False
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def flags(self, index):
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if not index.isValid():
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return 0
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return QtCore.Qt.ItemFlags(QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEditable)
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def create_solder(self):
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solder = Solder(None, datetime.now().strftime("%Y-%M-%D %H:%m:%s"), "")
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tl = solder.add_temp_level("environment temp", getTemperature(), True)
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tl.color = QtGui.QColor(0, 0, 0)
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self.solder_list.append(solder)
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self.reset()
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@staticmethod
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def dirname():
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return os.path.join(os.path.dirname(__file__), "solder_types")
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def check_name(self, name):
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for solder in self.solder_list:
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if name == solder.name:
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return False
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return True
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class SolderWidget(QtGui.QWidget):
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def __init__(self, parent, readonly=False):
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super(SolderWidget, self).__init__(parent)
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self.solder_model = SolderListModel(self)
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self.solder_view = QtGui.QListView()
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self.solder_view.setModel(self.solder_model)
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self.solder_controls = AddRemoveWidget(self)
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layout = QtGui.QHBoxLayout(self)
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layout.addWidget(self.solder_view)
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layout.addWidget(self.solder_controls)
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self.connect(
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self.solder_controls.add_button,
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QtCore.SIGNAL("clicked()"),
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self.solder_model.create_solder)
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self.connect(
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self.solder_controls.remove_button,
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QtCore.SIGNAL("clicked()"),
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self.remove_solder)
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self.solder_view.setCurrentIndex(self.solder_model.index(0,0))
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def remove_solder(self):
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index = self.solder_view.currentIndex()
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solder = self.solder_model.solder_list[index.row()]
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try:
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os.remove(solder.filename)
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except OSError:
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pass
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del self.solder_model.solder_list[index.row()]
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self.solder_model.reset()
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new_index = self.solder_model.index(0)
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self.solder_view.setCurrentIndex(new_index)
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return new_index
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def save_solder(self, index):
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self.solder_model.solder_list[index.row()].save()
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self.solder_model.reset()
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new_index = self.solder_model.index(self.solder_model.solder_list.index(self.plotter.solder))
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self.solder_widget.solder_view.setCurrentIndex(new_index)
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