much better

reflowctl/reflowctl.ino

@@ -1,17 +0,0 @@
-// include the library code:
-#include <LiquidCrystal.h>
-#include <DFR_Key.h>
-#include <profile.h>
-#include <oven_control.h>
-
-OvenCtl oven_ctl;
-
-void setup() {
-  Serial.begin(9600);
-  delay(300);
-  oven_ctl.set_config_state();
-}
-
-void loop() {
-  oven_ctl.handle_states();
-}

reflowctl/reflowctl_gui.py

@@ -18,40 +18,48 @@ from matplotlib.path import Path
 import matplotlib.patches as patches
 #from mpltools import annotation
 
-
 progname = os.path.basename(sys.argv[0])
 progversion = "0.1"
 
-PSTEP_COLORS = ("lightgreen", "yellow", "orange", "red")
+def calc_colors(count):
+    r = 0
+    g = 255
+    step = int(512. / (count-1))
+    colors = list()
+    print "step", step
+    for i in range(count):
+        colors.append(QtGui.QColor(r, g, 0))
+        if r < 255:
+            r += step
+            if r > 255:
+                g -= r - 255
+                r = 255
+        else:
+            g -= step
+            g = max(0, g)
+    return colors
 
 
-class State(object):
-    def __init__(self, name, temp):
+def getTemperature():
+    return 20.
+
+
+class TempLevel(object):
+    def __init__(self, name, temp, is_env=False):
         self.name = name
         self.temp = temp
+        self.is_env = is_env
+        self.color = None
 
 
 class Solder(object):
-    def __init__(self):
-        self.psteps = []
+
+    def __init__(self, name=str(), description=str()):
+        self.name = name
+        self.description = description
+        self.temp_levels = list()
         self.durations = list()
         self.rates = list()
-        self.name = None
-
-        #start = self.add_state("start", 25)
-        #ps = self.add_state("preheat start", 150)
-        #pe = self.add_state("preheat end", 185)
-        #tal = self.add_state("tal", 220)
-        #peak = self.add_state("peak", 250)
-        #end = self.add_state("end", 25)
-
-        #self.add_duration((ps, pe), 100)
-        #self.add_duration((tal, peak, tal), 100)
-
-        #self.add_rate((start, ps), 1)
-        #self.add_rate((ps, pe), 1)
-        #self.add_rate((pe, tal), 1)
-        #self.add_rate((tal, end), -2)
 
     def __unicode__(self):
         return unicode(self.name)
@@ -59,26 +67,28 @@ class Solder(object):
     def __str__(self):
         return self.name
 
-    def color(self, index):
-        return PSTEP_COLORS[index]
-
-    def add_state(self, name, temp):
-        s = State(name, temp)
-        self.psteps.append(s)
+    def add_temp_level(self, name, temp, is_env):
+        s = TempLevel(name, temp, is_env)
+        self.temp_levels.append(s)
         return s
 
     def add_rate(self, states, rate):
-        self.rates.append((states, rate))
+        self.rates.append([states, rate])
 
     def add_duration(self, states, duration):
-        self.durations.append((states, duration))
+        self.durations.append([states, duration])
 
-    def get_state(self, name):
-        for i in self.psteps:
+    def get_temp_level_by_name(self, name):
+        assert isinstance(name, basestring)
+        for i in self.temp_levels:
             if i.name == name:
                 return i
         return None
 
+    def get_temp_level(self, ix):
+        assert isinstance(ix, int)
+        return self.temp_levels[ix]
+
     def calc_profile(self):
 
         x = list()
@@ -86,64 +96,55 @@ class Solder(object):
         duration_points = dict()
         rate_points = dict()
         self.time = 0
-        used_steps = set()
-        for ix, pstep in enumerate(self.psteps):
-            #print "-- ", repr(pstep.name), pstep.temp, pstep.used, self.time, x, y
+        used_temp_levels = set()
+        for ix, temp_level in enumerate(self.temp_levels):
+            if temp_level != self.temp_levels[0] and temp_level not in used_temp_levels:
+                ix = self.temp_levels.index(temp_level)
+                raise ValueError("TempLevel %r not connected to %r" % (temp_level.name[ix-1], self.temp_levels[ix].name))
 
-            if pstep != self.psteps[0] and pstep not in used_steps:
-                ix = self.psteps.index(pstep)
-                raise Exception("step %r not connected to step %r or step %r" % (pstep.name, self.psteps[ix-1].name, self.psteps[ix+1].name))
-
-            psteps = None
+            temp_levels = None
             duration = None
             for sts, dur in self.durations:
-                if sts[0] == pstep:
+                if sts[0] == temp_level:
                   duration = dur
-                  psteps = sts
+                  temp_levels = sts
                   break
 
-            if pstep not in used_steps:
-                used_steps.add(pstep)
+            if temp_level not in used_temp_levels:
+                used_temp_levels.add(temp_level)
                 x.append(self.time)
-                y.append(pstep.temp)
+                y.append(temp_level.temp)
 
             if duration is not None:
-                if len(psteps) == 3:
-                    used_steps.add(psteps[1])
-                    used_steps.add(psteps[2])
+                if len(temp_levels) == 3:
+                    used_temp_levels.add(temp_levels[1])
+                    used_temp_levels.add(temp_levels[2])
 
                     self.time += duration / 2
                     x.append(self.time)
-                    y.append(psteps[1].temp)
-
-                    #print "3er duration", (self.time, psteps[1].temp)
+                    y.append(temp_levels[1].temp)
 
                     self.time += duration / 2
                     x.append(self.time)
-                    y.append(psteps[2].temp)
+                    y.append(temp_levels[2].temp)
 
                     duration_points[ix] = (x[-3:], y[-3:])
-
-                    #print "3er duration", (self.time, psteps[2].temp)
                 else:
-                    y.append(psteps[1].temp)
-                    used_steps.add(psteps[1])
+                    y.append(temp_levels[1].temp)
+                    used_temp_levels.add(temp_levels[1])
                     self.time += duration
                     x.append(self.time)
                     duration_points[ix] = (x[-2:], y[-2:])
-                    #print "2er duration", (self.time, psteps[1].temp)
             else:
                 for ex, (sts, rate) in enumerate(self.rates):
-                    if sts[0] == pstep:
-                        used_steps.add(sts[1])
-                        duration = (sts[1].temp - pstep.temp) / rate
+                    if sts[0] == temp_level:
+                        used_temp_levels.add(sts[1])
+                        duration = (sts[1].temp - temp_level.temp) / rate
                         self.time += duration
                         x.append(self.time)
                         y.append(sts[1].temp)
-                        #print "rate", (self.time, sts[1].temp)
                         rate_points[ex] = (x[-2:], y[-2:])
 
-
         return array(map(float, x)), array(map(float, y)), max(x), max(y), duration_points, rate_points
 
 
@@ -151,27 +152,43 @@ class Solder(object):
     def unpack(filename):
         xmltree = etree.parse(filename)
         root = xmltree.getroot()
-        s = Solder()
-        s.name = root[0].attrib["name"]
-        for state in root[0].findall("state"):
-            s.add_state(state.attrib["name"], int(state.attrib["temperature"]))
-        for duration in root[0].findall("duration"):
-            states = list()
-            for state in duration:
-                states.append(s.get_state(state.attrib["name"]))
-            s.add_duration(states, int(duration.attrib["value"]))
-        for rate in root[0].findall("rate"):
-            #print rate
-            states = list()
-            for state in rate:
-                states.append(s.get_state(state.attrib["name"]))
-            s.add_rate(states, int(rate.attrib["value"]))
+        solder_node = root[0]
+        s = Solder(solder_node.attrib["name"], solder_node)
+        env_count = 0
+        for temp_level in solder_node.findall("state"):
+            tstr = temp_level.attrib["temperature"]
+            is_env = False
+            try:
+                temp = int(tstr)
+            except ValueError:
+                if tstr == "$ENV":
+                    temp = getTemperature()
+                    is_env = True
+                    env_count += 1
+            s.add_temp_level(temp_level.attrib["name"], temp, is_env)
+
+        colors = calc_colors(len(s.temp_levels) - 1)
+        ix = 0
+        for temp_level in s.temp_levels:
+            if not temp_level.is_env:
+                temp_level.color = colors[ix]
+                ix += 1
+            else:
+                temp_level.color = QtGui.QColor("black")
+
+        for duration in solder_node.findall("duration"):
+            temp_levels = list()
+            for temp_level in duration:
+                temp_levels.append(s.get_temp_level_by_name(temp_level.attrib["name"]))
+            s.add_duration(temp_levels, int(duration.attrib["value"]))
+        for rate in solder_node.findall("rate"):
+            temp_levels = list()
+            for temp_level in rate:
+                temp_levels.append(s.get_temp_level_by_name(temp_level.attrib["name"]))
+            s.add_rate(temp_levels, int(rate.attrib["value"]))
 
         return s
 
-    def serialize(self, pstep_list):
-        return ", ".join(map(attrgetter("name"), pstep_list))
-
 
 class SolderListModel(QtCore.QAbstractListModel):
     def __init__(self, parent=None, *args):
@@ -180,14 +197,17 @@ class SolderListModel(QtCore.QAbstractListModel):
         super(SolderListModel, self).__init__(parent, *args)
 
         dirname = os.path.join(os.path.dirname(__file__), "solder_types")
-        dirlisting = os.listdir(dirname)
+        dirlisting = filter(lambda x: os.path.splitext(x)[1] == ".xml", os.listdir(dirname))
         self.listdata = []
         for p in dirlisting:
             #try:
                 self.listdata.append(Solder.unpack(os.path.join(dirname, p)))
-            #except Exception:
+            #except Exception, e:
+                #print e
                 #pass
 
+        print len(self.listdata)
+
     def rowCount(self, parent=QtCore.QModelIndex()):
         return len(self.listdata)
 
@@ -204,10 +224,11 @@ class SolderListModel(QtCore.QAbstractListModel):
             return QtCore.QVariant()
 
 
-class PStepModel(QtCore.QAbstractTableModel):
-    def __init__(self, parent=None, *args):
-        super(PStepModel, self).__init__(parent, *args)
-        self.psteps = list()
+class TempLevelModel(QtCore.QAbstractTableModel):
+    def __init__(self, parent):
+        super(TempLevelModel, self).__init__(parent)
+        self._changed = False
+        self.temp_levels = list()
         self.headerdata = [u"Name", u"Temperature (°C)"]
 
     def headerData(self, col, orientation, role):
@@ -216,7 +237,7 @@ class PStepModel(QtCore.QAbstractTableModel):
         return QtCore.QVariant()
 
     def rowCount(self, parent):
-        return len(self.psteps)
+        return len(self.temp_levels)
 
     def columnCount(self, parent):
         return 2
@@ -228,57 +249,79 @@ class PStepModel(QtCore.QAbstractTableModel):
         if role == QtCore.Qt.DisplayRole:
           col = index.column()
           if col == 0:
-              return QtCore.QVariant(self.psteps[index.row()].name)
+              return QtCore.QVariant(self.temp_levels[index.row()].name)
           else:
-              return QtCore.QVariant(self.psteps[index.row()].temp)
+              return QtCore.QVariant(self.temp_levels[index.row()].temp)
 
         if index.column() == 0 and role == QtCore.Qt.DecorationRole:
             p = QtGui.QPixmap(10,10)
-            cr = row = index.row()
-            color = index.row() in (0, len(self.psteps)-1) and QtGui.QColor("black") or QtGui.QColor(PSTEP_COLORS[cr-1])
+            color = self.temp_levels[index.row()].color
             p.fill(color)
             return p
 
         return QtCore.QVariant()
 
-    def remove_pstep(self, index):
-        del self.psteps[index]
-        self.reset()
+    def flags(self, index):
+        if not index.isValid():
+            return 0
+        return QtCore.Qt.ItemFlags(QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEditable)
 
-    def add_pstep(self, index, pstep):
-        self.psteps.insert(index, pstep)
-        self.reset()
+    def setData(self, index, variant, role):
+        if index.isValid() and role == QtCore.Qt.EditRole:
+            col = index.column()
+            if col == 0:
+                self.temp_levels[index.row()].name = str(variant.toString())
+            elif col == 1:
+                self.temp_levels[index.row()].temp = variant.toInt()[0]
+            self._changed = True
+            return True
+        return False
 
-    def setSteps(self, steps):
-        assert isinstance(steps, list)
-        self.psteps = steps
+    def remove_temp_level(self, index):
+        tmp = self.temp_levels[index]
+        del self.temp_levels[index]
+        self.reset()
+        self._changed = True
+        return tmp
+
+    def add_temp_level(self, index, temp_level):
+        self.beginInsertRows(QtGui.QModelIndex(), index.row(), 1)
+        self.temp_levels.temp_levels.insert(index.row(), temp_level)
+        self.endInsertRows()
+        self.reset()
+        self._changed = True
+
+    def setTempLevels(self, temp_levels):
+        assert isinstance(temp_levels, list)
+        self.temp_levels = temp_levels
         self.reset()
 
 
+    def clear(self):
+        self.temp_levels = list()
+        self.reset()
 
-class MyDynamicMplCanvas(FigureCanvas):
+
+class Plotter(FigureCanvas):
     """A canvas that updates itself every second with a new plot."""
     def __init__(self, parent, myapp, width, height, dpi):
         self.fig = Figure(figsize=(width, height), dpi=dpi)
-        super(MyDynamicMplCanvas, self).__init__(self.fig)
+        super(Plotter, self).__init__(self.fig)
         self.axes = self.fig.add_subplot(111)
 
-        ## We want the axes cleared every time plot() is called
         self.axes.set_axis_bgcolor('black')
         self.axes.set_title(u'reflow profile', size=12)
         self.axes.set_xlabel(u'time (seconds)', size=12)
         self.axes.set_ylabel(u'temperature (°C)', size=12)
-
-        #pylab.setp(self.axes.get_xticklabels(), fontsize=8)
-        #pylab.setp(self.axes.get_yticklabels(), fontsize=8)
+        self.axes.set_ymargin(0)
+        self.axes.set_xmargin(0)
 
         self.setParent(parent)
         self.myapp = myapp
-
         self.solder = None
 
         self.plot_data, = self.axes.plot([], linewidth=1.0, color=(0,0,1), zorder=10)
-        self.selection_data, = self.axes.plot([], linewidth=1.0, color=(1,1,1), zorder=5)
+        #self.selection_data, = self.axes.plot([], linewidth=1.0, color=(1,1,1), zorder=5)
 
         FigureCanvas.setSizePolicy(self,
             QtGui.QSizePolicy.Expanding,
@@ -290,30 +333,24 @@ class MyDynamicMplCanvas(FigureCanvas):
         self.counter = list()
         QtCore.QObject.connect(timer, QtCore.SIGNAL("timeout()"), self.update_figure)
         timer.start(1000)
-
+        self.updated = True
 
     def update_figure(self):
-        #Build a list of 4 random integers between 0 and 10 (both inclusive)
-        x, y, xmax, ymax, duration_points, rate_points = self.solder.calc_profile()
-
-        lines = list()
-        legend = list()
+        if self.updated:
+            updated = False
+            self.x, self.y, self.xmax, self.ymax, self.duration_points, self.rate_points = self.solder.calc_profile()
 
         #for states, value in self.durations.iteritems():
             #annotation.slope_marker((states[0])
 
-        self.fig.lines = lines
+        self.axes.set_xbound(lower=0, upper=self.xmax + 20)
+        self.axes.set_ybound(lower=0, upper=self.ymax + 20)
 
-        self.axes.set_xbound(lower=0, upper=xmax + 20)
-        self.axes.set_ybound(lower=0, upper=ymax + 20)
-        self.axes.set_ymargin(0)
-        self.axes.set_xmargin(0)
+        self.axes.set_yticks([state.temp for state in self.solder.temp_levels])
+        self.axes.set_xticks(self.x)
 
-        self.axes.set_yticks([state.temp for state in self.solder.psteps])
-        self.axes.set_xticks(x)
-
-        self.plot_data.set_xdata(x)
-        self.plot_data.set_ydata(y)
+        self.plot_data.set_xdata(self.x)
+        self.plot_data.set_ydata(self.y)
         self.plot_data.set_zorder(20)
 
         duration_widget = self.myapp.duration_widget
@@ -321,159 +358,317 @@ class MyDynamicMplCanvas(FigureCanvas):
         #self.selection_data.set_xdata(array(da))
         #self.selection_data.set_ydata(array(db))
 
-        for ix, i in enumerate(self.solder.psteps[1:-1]):
-            line = Line2D([0, xmax + 20], [i.temp, i.temp],
-                transform=self.axes.transData, figure=self.fig, color=self.solder.color(ix), label="name", zorder=1)
-            lines.append(line)
+        self.fig.lines = lines = list()
+        for temp_level in self.solder.temp_levels:
+            if not temp_level.is_env:
+                line = Line2D([0, self.xmax + 20], [temp_level.temp, temp_level.temp],
+                    transform=self.axes.transData, figure=self.fig, color=str(temp_level.color.name()), label="name", zorder=1)
+                lines.append(line)
 
         self.axes.legend(("Estimated profile",))
         self.draw()
 
 
-# contraint_list |  label - checkboxes
-#                   label - value
+class AddRemoveWidget(QtGui.QWidget):
+    def __init__(self, parent, with_upown=True):
+        #super(AddRemoveWidget, self).__init__(parent)
+        QtGui.QWidget.__init__(self, parent)
+        self.add_button = QtGui.QPushButton("Add")
+        self.remove_button = QtGui.QPushButton("Remove")
+
+        sh = "QPushButton:disabled { background-color: #555555; }"
+        self.remove_button.setStyleSheet(sh)
+        self.add_button.setStyleSheet(sh)
+
+        self._layout = QtGui.QVBoxLayout(self)
+
+        self._layout.addWidget(self.add_button)
+        self._layout.addWidget(self.remove_button)
+        if with_upown:
+            self.up_button = QtGui.QPushButton("Up")
+            self.down_button = QtGui.QPushButton("Down")
+            self._layout.addWidget(self.up_button)
+            self._layout.addWidget(self.down_button)
+        self._layout.addStretch(4)
+
+
+class AddRemoveValueWidget(AddRemoveWidget):
+    def __init__(self, parent):
+        super(AddRemoveValueWidget, self).__init__(parent)
+        self.value = QtGui.QSpinBox(self)
+        self.value.setRange(-500, 500)
+        self._layout.addWidget(self.value)
+
+
+class ConstraintListModel(QtCore.QAbstractListModel):
+    def __init__(self, parent=None, *args):
+        """ datain: a list where each item is a row
+        """
+        super(ConstraintListModel, self).__init__(parent, *args)
+        self.constraint_list = list()
+
+    def rowCount(self, parent=QtCore.QModelIndex()):
+        return len(self.constraint_list)
+
+    def headerData(self, col, orientation, role):
+        if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole:
+            return QtCore.QVariant("Solder Paste")
+        return QtCore.QVariant()
+
+    def data(self, index, role):
+        if index.isValid() and role == QtCore.Qt.DisplayRole:
+            return QtCore.QVariant(index.row() + 1)
+        else:
+            return QtCore.QVariant()
+
+    def append_constraint(self):
+        self.constraint_list.append([[], 0])
+        self.reset()
+
+    def remove_constraint(self):
+        del self.constraint_list[self.currentIndex().row()]
+        self.reset()
 
 
 class ConstraintWidget(QtGui.QWidget):
-    def __init__(self, name):
+    def __init__(self, name, solder):
         super(ConstraintWidget, self).__init__()
         self.name = name
-        self.solder = None
+        #self.solder = solder
+        self.spinbox_block = False
 
-        self.value = QtGui.QSpinBox(self)
-        self.value.setRange(-300, 400)
-        self.constraint_model = QtGui.QStringListModel(self) # constraint selection
-        self.all_psteps = PStepModel(self) # pstep selection pool
-        self.selected_psteps = PStepModel(self) # selected psteps
+        self.constraint_model = ConstraintListModel(self) # constraint selection
+        self.all_temp_levels = TempLevelModel(self) # temp_level selection pool
+        self.selected_temp_levels = TempLevelModel(self) # selected temp_levels
 
-        #self.all_psteps.setSteps(self.solder.psteps)
+        self.controls = AddRemoveValueWidget(self)
+        self.constraint_controls = AddRemoveWidget(self, False)
 
-        self.add_button = QtGui.QPushButton("Add", self)
-        self.remove_button = QtGui.QPushButton("Remove", self)
+        self.controls.add_button.setText(u"Add TempLevel")
+        self.controls.remove_button.setText(u"Remove TempLevel")
 
-        bg = QtGui.QWidget(self)
-        gbl = QtGui.QVBoxLayout(bg)
+        self.constraint_controls.add_button.setText(u"Add Constraint")
+        self.constraint_controls.remove_button.setText(u"Remove Constraint")
 
-        gbl.addWidget(self.add_button)
-        gbl.addWidget(self.remove_button)
-        gbl.addStretch(5)
-        gbl.addWidget(self.value)
+        self.constraint_view = QtGui.QListView(self)
+        self.constraint_view.setModel(self.constraint_model)
 
+        self.all_temp_levels_view = QtGui.QListView(self)
+        self.all_temp_levels_view.setModel(self.all_temp_levels)
 
-        self.constraint_list_view = QtGui.QListView(self)
-        self.constraint_list_view.setModel(self.constraint_model)
-
-        self.all_psteps_view = QtGui.QListView(self)
-        self.all_psteps_view.setModel(self.all_psteps)
-
-        self.selected_psteps_view = QtGui.QListView(self)
-        self.selected_psteps_view.setModel(self.selected_psteps)
-
-        #self.left = QtGui.QWidget(self)
-        #gl = QtGui.QGridLayout(self.left)
-        #gl.addWidget(QtGui.QLabel(u"Steps"), 0,0)
-        #gl.addWidget(QtGui.QLabel(name), 1,0)
-        #gl.addWidget(self.checkboxes_group, 0, 1)
-        #gl.addWidget(self.value, 1, 1)
-        #self.gl = gl
-
+        self.selected_temp_levels_view = QtGui.QListView(self)
+        self.selected_temp_levels_view.setModel(self.selected_temp_levels)
 
         h = QtGui.QHBoxLayout()
-        h.addWidget(self.constraint_list_view)
-        h.addWidget(self.all_psteps_view)
-        h.addWidget(bg)
-        h.addWidget(self.selected_psteps_view)
+        h.addWidget(self.constraint_view, 1)
+        h.addWidget(self.constraint_controls, 1)
+        h.addWidget(self.all_temp_levels_view, 3)
+        h.addWidget(self.controls, 1)
+        h.addWidget(self.selected_temp_levels_view, 3)
         self.setLayout(h)
 
         self.connect(
-            self.constraint_list_view,
+            self.constraint_view,
             QtCore.SIGNAL("clicked(QModelIndex)"),
-            self.constraint_clicked)
+            self._constraint_selected)
 
         self.connect(
-            self.add_button,
+            self.controls.add_button,
             QtCore.SIGNAL("clicked()"),
-            self.add_constraint)
+            self.add_temp_level_to_constraint)
 
         self.connect(
-            self.remove_button,
+            self.controls.remove_button,
+            QtCore.SIGNAL("clicked()"),
+            self.remove_temp_level_from_constraint)
+
+        self.connect(
+            self.controls.up_button,
+            QtCore.SIGNAL("clicked()"),
+            self.temp_level_up)
+
+        self.connect(
+            self.controls.down_button,
+            QtCore.SIGNAL("clicked()"),
+            self.temp_level_down)
+
+        self.connect(
+            self.constraint_controls.add_button,
+            QtCore.SIGNAL("clicked()"),
+            self.constraint_model.append_constraint)
+
+        self.connect(
+            self.constraint_controls.remove_button,
             QtCore.SIGNAL("clicked()"),
             self.remove_constraint)
 
+        self.connect(
+            self.controls.value,
+            QtCore.SIGNAL("valueChanged(int)"),
+            self.constraint_value_changed)
 
     def setData(self, solder):
+        print self.setData, 1
         self.solder = solder
-        self.all_psteps.setSteps(self.solder.psteps)
-        self.getConstraints()
+        print self.setData, 2
+        self.all_temp_levels.setTempLevels(self.solder.temp_levels)
+        print self.setData, 3
+        self._set_data()
+        print self.setData, 4
 
-    def constraint_clicked(self, index):
+    def _constraint_selected(self, index):
         raise NotImplementedError()
 
-    def getConstraints(self):
+    def _set_data(self):
         raise NotImplementedError()
 
-    def add_constraint(self):
-        raise NotImplementedError()
+    def add_temp_level_to_constraint(self):
+        src_row = self.all_temp_levels_view.currentIndex().row()
+        dst_row = self.selected_temp_levels_view.currentIndex().row()
+        temp_level = self.all_temp_levels.temp_levels[src_row]
+        self.selected_temp_levels.temp_levels.insert(dst_row, temp_level)
+        #tls.append(temp_level)
+        #tls.sort(key=attrgetter("temp"))
+        self.selected_temp_levels.reset()
+        self.selected_temp_levels_view.clearSelection()
+
+    def remove_temp_level_from_constraint(self):
+        del self.selected_temp_levels.temp_levels[self.selected_temp_levels_view.currentIndex().row()]
+        self.selected_temp_levels.reset()
+        self.selected_temp_levels_view.clearSelection()
 
     def remove_constraint(self):
-        raise NotImplementedError()
+        src_row = self.all_temp_levels_view.currentIndex().row()
+        del self.constraint_model.constraint_list[src_row]
+        self.constraint_model.reset()
+        self.selected_temp_levels.clear()
 
+    def constraint_value_changed(self, value):
+        print self.constraint_value_changed
+        if self.spinbox_block:
+            self.spinbox_block = False
+            return
+        print
+        print
+        print "IIIIEK"
+        print
+        src_index = self.constraint_view.currentIndex().row()
+        self.constraint_model.constraint_list[src_index][1] = value
+
+    def slot_temp_level_removed(self, temp_level):
+        print "temp_level"
+        self.reset()
+
+    def temp_level_up(self):
+        dst_row = self.selected_temp_levels_view.currentIndex().row()
+        self.selected_temp_levels.temp_levels[dst_row - 1], self.selected_temp_levels.temp_levels[dst_row] = self.selected_temp_levels.temp_levels[dst_row], self.selected_temp_levels.temp_levels[dst_row - 1]
+        self.selected_temp_levels.reset()
+
+    def temp_level_down(self):
+        dst_row = self.selected_temp_levels_view.currentIndex().row()
+        self.selected_temp_levels.temp_levels[dst_row], self.selected_temp_levels.temp_levels[dst_row + 1] = self.selected_temp_levels.temp_levels[dst_row + 1], self.selected_temp_levels.temp_levels[dst_row]
+        self.selected_temp_levels.reset()
 
 
 class DurationConstraintWidget(ConstraintWidget):
 
-    def getConstraints(self):
-        tmp = QtCore.QStringList()
-        for ix in xrange(len(self.solder.durations)):
-            tmp << unicode(ix + 1)
+    def _set_data(self):
+        self.spinbox_block = True
+        print self._set_data, 1
+        self.constraint_model.constraint_list.extend(self.solder.durations)
+        print self._set_data, 2
+        ix = self.constraint_model.index(0, 0)
+        print self._set_data, 3
+        self.constraint_view.setCurrentIndex(ix)
+        print self._set_data, 4
+        self._constraint_selected(ix)
+        print self._set_data, 5
 
-        self.constraint_model.setStringList(tmp)
-        k, t = self.solder.durations[0]
-
-        self.value.setValue(t)
-        self.constraint_list_view.setCurrentIndex(self.constraint_model.index(0, 0))
-        self.constraint_clicked(self.constraint_model.index(0, 0))
-
-    def add_constraint(self):
-        self.selected_psteps.psteps.append(self.all_psteps.psteps[self.all_psteps_view.currentIndex().row()])
-        self.selected_psteps.reset()
-        #self.selected_psteps_view.setCurrentIndex(QtCore.QModelIndex())
-        self.selected_psteps_view.clearSelection()
-
-    def remove_constraint(self):
-        del self.selected_psteps.psteps[self.selected_psteps_view.currentIndex().row()]
-        self.selected_psteps.reset()
-        #self.selected_psteps_view.setCurrentIndex(QtCore.QModelIndex())
-        self.selected_psteps_view.clearSelection()
-
-    def constraint_clicked(self, index):
-        psteps, value = self.solder.durations[index.row()]
-        self.selected_psteps.setSteps(psteps)
-        self.value.setValue(value)
+    def _constraint_selected(self, index):
+        print self._constraint_selected
+        self.spinbox_block = True
+        temp_levels, value = self.constraint_model.constraint_list[index.row()]
+        self.selected_temp_levels.setTempLevels(temp_levels)
+        self.controls.value.setValue(value)
 
 
 class RateConstraintWidget(ConstraintWidget):
 
-    def getConstraints(self):
-        tmp = QtCore.QStringList()
-        for ix in xrange(len(self.solder.durations)):
-            tmp << unicode(ix + 1)
+    def _set_data(self):
+        print self._set_data
+        self.spinbox_block = True
+        self.constraint_model.constraint_list.extend(self.solder.rates)
 
-        self.constraint_model.setStringList(tmp)
-        k, t = self.solder.rates[0]
+        ix = self.constraint_model.index(0, 0)
+        self.constraint_view.setCurrentIndex(ix)
+        self._constraint_selected(ix)
 
-        self.value.setValue(t)
-        self.constraint_list_view.setCurrentIndex(self.constraint_model.index(0, 0))
-        self.constraint_clicked(self.constraint_model.index(0, 0))
+    def _constraint_selected(self, index):
+        print self._constraint_selected
+        self.spinbox_block = True
+        temp_levels, value = self.constraint_model.constraint_list[index.row()]
+        self.selected_temp_levels.setTempLevels(temp_levels)
+        self.controls.value.setValue(value)
 
-    def constraint_clicked(self, index):
-        psteps, value = self.solder.durations[index.row()]
-        self.selected_psteps.setSteps(psteps)
-        self.value.setValue(value)
+
+
+class TempLevelWidget(QtGui.QWidget):
+    temp_level_removed = QtCore.pyqtSignal(TempLevel)
+
+    def __init__(self, parent, solder):
+        super(TempLevelWidget, self).__init__(parent)
+        self.temp_level_model = TempLevelModel(self)
+
+        self.temp_level_view = QtGui.QTableView()
+        self.temp_level_view.setModel(self.temp_level_model)
+        self.temp_level_view.verticalHeader().setVisible(False)
+        self.temp_level_view.resizeColumnsToContents()
+        self.temp_level_view.horizontalHeader().setStretchLastSection(True)
+        self.temp_level_view.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
+
+        self.controls = AddRemoveWidget(self)
+
+        h = QtGui.QHBoxLayout()
+        h.addWidget(self.temp_level_view)
+        h.addWidget(self.controls)
+        self.setLayout(h)
+
+        self.connect(
+            self.temp_level_view,
+            QtCore.SIGNAL("clicked(QModelIndex)"),
+            self.temp_level_selected)
+
+        self.connect(
+            self.controls.remove_button,
+            QtCore.SIGNAL("clicked()"),
+            self.remove_temp_level)
+
+
+    def add_temp_level(self):
+        index = self.temp_level_view.currentIndex()
+        self.temp_level_model.add_temp_level(index,TempLevel("new", 0))
+
+
+    def remove_temp_level(self):
+        self.temp_level_removed.emit(
+            self.temp_level_model.remove_temp_level(
+                self.temp_level_view.currentIndex().row()))
+
+
+    def temp_level_selected(self, index):
+        if index.isValid():
+            row = index.row()
+            is_env = self.temp_level_model.temp_levels[row].is_env
+            is_end = row == len(self.temp_level_model.temp_levels) - 1
+            self.controls.add_button.setEnabled(not is_end)
+            self.controls.remove_button.setEnabled(not is_env)
+        print "remove_button state", self.controls.remove_button.isEnabled()
 
 class ApplicationWindow(QtGui.QMainWindow):
     def __init__(self):
         QtGui.QMainWindow.__init__(self)
+        self.dpi = 100
+
         self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
         self.setWindowTitle("application main window")
 
@@ -490,70 +685,64 @@ class ApplicationWindow(QtGui.QMainWindow):
 
         self.help_menu.addAction('&About', self.about)
 
-        self.main_widget = QtGui.QWidget(self)
-        self.profile_widget = QtGui.QWidget(self)
-
-        self.tab_widget = QtGui.QTabWidget(self)
-        self.duration_widget = DurationConstraintWidget(u"Duration (s)")
-        self.rate_widget = RateConstraintWidget(u"Rate (°C/s)")
-
-        self.dpi = 100
-
-        pl = QtGui.QHBoxLayout(self.profile_widget)
-
         self.solder_model = SolderListModel(self)
-        self.pstep_model = PStepModel(self)
-
-        self.pstep_view = QtGui.QTableView()
-        self.pstep_view.setModel(self.pstep_model)
-        self.pstep_view.verticalHeader().setVisible(False)
-        self.pstep_view.resizeColumnsToContents()
-
         self.solder_view = QtGui.QListView()
         self.solder_view.setModel(self.solder_model)
+
+        self.solder_controls = AddRemoveWidget(self, False)
+
+        self.tab_widget = QtGui.QTabWidget(self)
+        self.temp_level_widget = TempLevelWidget(self, self.solder_model.listdata[0])
+        self.duration_widget = DurationConstraintWidget(u"Duration (s)", self.solder_model.listdata[0])
+        self.rate_widget = RateConstraintWidget(u"Rate (°C/s)", self.solder_model.listdata[0])
+        self.tab_widget.addTab(self.temp_level_widget, u"Temperature Levels")
+        self.tab_widget.addTab(self.duration_widget, u"Duration (s)")
+        self.tab_widget.addTab(self.rate_widget, u"Rate (°C/s)")
+
         self.connect(
             self.solder_view,
             QtCore.SIGNAL("clicked(QModelIndex)"),
             self.solder_selected)
 
-        self.tab_widget.addTab(self.pstep_view, u"Temperature Steps")
-        self.tab_widget.addTab(self.duration_widget, u"Duration (s)")
-        self.tab_widget.addTab(self.rate_widget, u"Rate (°C/s)")
-
-
+        self.settings_widget = QtGui.QWidget(self)
+        pl = QtGui.QHBoxLayout(self.settings_widget)
         pl.addWidget(self.solder_view, 1)
-        pl.addWidget(self.tab_widget, 7)
-        #pl.addWidget(self.duration_widget)
-        #pl.addWidget(self.rate_widget)
+        pl.addWidget(self.solder_controls, 1)
+        pl.addWidget(self.tab_widget, 6)
 
-        l = QtGui.QVBoxLayout(self.main_widget)
-        self.dc = MyDynamicMplCanvas(self, self, width=5, height=4, dpi=self.dpi)
+        self.splitter = QtGui.QSplitter(QtCore.Qt.Vertical, self)
+        self.plotter = Plotter(self, self, width=5, height=4, dpi=self.dpi)
 
         self.solder_view.setCurrentIndex(self.solder_model.index(0,0))
         self.solder_selected(self.solder_model.index(0,0))
 
-        l.addWidget(self.profile_widget, 2)
-        l.addWidget(self.dc, 8)
+        self.splitter.addWidget(self.settings_widget)
+        self.splitter.addWidget(self.plotter)
+        self.splitter.setStretchFactor(0, 2)
+        self.splitter.setStretchFactor(1, 8)
 
-        self.main_widget.setFocus()
-        self.setCentralWidget(self.main_widget)
+        self.setCentralWidget(self.splitter)
 
         self.statusBar().showMessage("I'm in reflow heaven", 2000)
 
+        self.temp_level_widget.temp_level_removed.connect(self.duration_widget.slot_temp_level_removed)
+        self.temp_level_widget.temp_level_removed.connect(self.rate_widget.slot_temp_level_removed)
+
     def solder_selected(self, index):
         if index.isValid():
-            self.dc.solder = self.solder_model.listdata[index.row()]
-            self.pstep_model.setSteps(self.dc.solder.psteps)
-            self.pstep_view.resizeColumnsToContents()
-            self.duration_widget.setData(self.dc.solder)
-            self.rate_widget.setData(self.dc.solder)
+            solder = self.plotter.solder = self.solder_model.listdata[index.row()]
+            self.temp_level_widget.temp_level_model.setTempLevels(solder.temp_levels)
+            self.temp_level_widget.temp_level_view.resizeColumnsToContents()
+            self.duration_widget.setData(solder)
+            self.rate_widget.setData(solder)
+            self.plotter.updated = True
 
     def save_plot(self):
         file_choices = "PNG (*.png)|*.png"
 
         filename = QtGui.QFileDialog.getSaveFileName(self, 'Save File', 'qtplot.png')
         print type(filename), dir(filename)
-        self.dc.print_figure(str(filename), dpi=self.dpi)
+        self.plotter.print_figure(str(filename), dpi=self.dpi)
 
     def fileQuit(self):
         self.close()

reflowctl/solder_types/lead_noclean.xml

@@ -1,11 +1,10 @@
 <xml>
   <solder_type name="lead noclean" description="">
-    <state name="start" temperature="25" />
+    <state name="environment temp" temperature="$ENV" />
     <state name="preheat start" temperature="150" />
     <state name="preheat end" temperature="185" />
     <state name="tal" temperature="220" />
     <state name="peak" temperature="260" />
-    <state name="end" temperature="25" />
     <duration value="100" >
       <state name="preheat start" />
       <state name="preheat end" />
@@ -16,7 +15,7 @@
       <state name="tal" />
     </duration>
     <rate value="1">
-      <state name="start" />
+      <state name="environment temp" />
       <state name="preheat start" />
     </rate>
     <rate value="1">
@@ -29,7 +28,7 @@
     </rate>
     <rate value="-2">
       <state name="peak" />
-      <state name="end" />
+      <state name="environment temp" />
     </rate>
   </solder_type>
 </xml>

reflowctl/solder_types/leadfree_noclean.xml

@@ -1,11 +1,10 @@
 <xml>
   <solder_type name="leadfree noclean" description="">
-    <state name="start" temperature="25" />
+    <state name="environment temp" temperature="$ENV" />
     <state name="preheat start" temperature="150" />
     <state name="preheat end" temperature="185" />
     <state name="tal" temperature="220" />
     <state name="peak" temperature="250" />
-    <state name="end" temperature="25" />
     <duration value="100" >
       <state name="preheat start" />
       <state name="preheat end" />
@@ -16,7 +15,7 @@
       <state name="tal" />
     </duration>
     <rate value="1">
-      <state name="start" />
+      <state name="environment temp" />
       <state name="preheat start" />
     </rate>
     <rate value="1">
@@ -29,7 +28,7 @@
     </rate>
     <rate value="-2">
       <state name="peak" />
-      <state name="end" />
+      <state name="environment temp" />
     </rate>
   </solder_type>
 </xml>

setup.py

@@ -9,8 +9,7 @@ from setuptools import find_packages, setup
 
 if sys.version_info >= (3,):
     extras['use_2to3'] = True
-    extras['convert_2to3_doctests'] = ['src/your/module/README.txt']
-    #extra['use_2to3_fixers'] = ['your.fixers']
+
 
 setup(
     name='reflowctl_gui',