Add toolbar support to plots, with home made selection support <phew>.
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490038d9bf
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@ -24,6 +24,8 @@ class FluentApp:
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# Application variables
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self.project = None
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self.current_data = None
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self._last_view = None
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self._plot_toolbar = None
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gtk.glade.set_custom_handler(self.custom_object_factory)
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self.widget_tree = gtk.glade.XML(GLADEFILENAME, 'appwindow')
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@ -52,10 +54,29 @@ class FluentApp:
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return self.log_view
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def create_main_view(self, str1, str2, int1, int2):
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self.main_view = plots.MainView()
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self.main_view = plots.MainView(self._update_toolbar)
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self.main_view.show()
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return self.main_view
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def _update_toolbar(self, view):
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logger.log("debug", "view changed to %s" % view)
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# don't do anything on no change
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if self._last_view == view:
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return
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self._last_view = view
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window = self.widget_tree.get_widget('plot_toolbar_dock')
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if self._plot_toolbar:
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print "removing", self._plot_toolbar
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window.remove(self._plot_toolbar)
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self._plot_toolbar = view.get_toolbar()
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if self._plot_toolbar:
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print "adding", self._plot_toolbar
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window.add(self._plot_toolbar)
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print "window contents:", window.get_children()
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def create_small_view(self, str1, str2, int1, int2):
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self.small_view = plots.SmallView()
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self.small_view.show()
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197
system/plots.py
197
system/plots.py
@ -4,6 +4,7 @@ import gtk
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import matplotlib
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import scipy
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from matplotlib.backends.backend_gtkagg import FigureCanvasGTKAgg as FigureCanvas
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from matplotlib.backends.backend_gtkagg import NavigationToolbar2GTK as NavigationToolbar2
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from matplotlib.axes import Subplot
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from matplotlib.figure import Figure
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from matplotlib.numerix import arange, sin, pi
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@ -12,13 +13,14 @@ from system import logger
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class MainView (gtk.Notebook):
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def __init__(self):
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def __init__(self, view_listener):
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gtk.Notebook.__init__(self)
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self.set_show_tabs(False)
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self.set_show_border(False)
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# Add a multiple pane view and a single pane view.
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self.small_view = SmallView()
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self.small_view.set_view_listener(view_listener)
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self.small_view.show()
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self.large_view = LargeView()
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self.large_view.show()
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@ -47,7 +49,43 @@ class MainView (gtk.Notebook):
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def insert_view(self, view):
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self.small_view.insert_view(view)
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class Plot (gtk.Frame):
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def __init__(self, title):
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gtk.Frame.__init__(self)
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self.mark_active(False)
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self.connect('button_press_event', self.on_button_press)
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self.sel_obj = None
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self.active = False
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self.title = title
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def get_title(self):
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return self.title
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def on_button_press(self, *rest):
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# logger.log('debug', 'button pressed in plot')
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self.mark_active(True)
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def mark_active(self, active):
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if active:
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self.set_shadow_type(gtk.SHADOW_IN)
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else:
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self.set_shadow_type(gtk.SHADOW_OUT)
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self.active = active
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def update(self, key):
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pass
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def set_project(self, project):
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self.project = project
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def get_toolbar(self):
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return None
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class SmallView (gtk.Table):
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def __init__(self):
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gtk.Table.__init__(self, 2, 2, True)
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@ -61,6 +99,7 @@ class SmallView (gtk.Table):
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self.set_row_spacings(3)
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self.set_col_spacings(3)
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self._listener = None
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for x in range(self.cols):
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for y in range(self.rows):
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@ -68,6 +107,9 @@ class SmallView (gtk.Table):
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child.parent_signalling = child.connect('button_press_event', self.__view_button_event__)
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self.attach(child, x, x+1, y, y+1)
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def set_view_listener(self, listener):
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self._listener = listener
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def set_child(self, child, col, row):
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cur_widget = self.child_views[col][row]
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cur_widget.disconnect(cur_widget.parent_signalling)
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@ -115,6 +157,9 @@ class SmallView (gtk.Table):
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new_focus.mark_active(True)
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self.active_x = x
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self.active_y = y
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if self._listener:
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logger.log("debug", "emitting")
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self._listener(new_focus)
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def find_child(self, child):
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for i, row in enumerate(self.child_views):
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@ -157,37 +202,7 @@ class LargeView (gtk.Frame):
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child.hide()
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self.remove(child)
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return child
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class Plot (gtk.Frame):
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def __init__(self, title):
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gtk.Frame.__init__(self)
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self.mark_active(False)
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self.connect('button_press_event', self.on_button_press)
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self.sel_obj = None
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self.active = False
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self.title = title
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def get_title(self):
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return self.title
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def on_button_press(self, *rest):
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# logger.log('debug', 'button pressed in plot')
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self.mark_active(True)
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def mark_active(self, active):
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if active:
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self.set_shadow_type(gtk.SHADOW_IN)
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else:
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self.set_shadow_type(gtk.SHADOW_OUT)
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self.active = active
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def update(self, key):
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pass
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def set_project(self, project):
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self.project = project
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class EmptyView (Plot):
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def __init__(self):
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@ -212,6 +227,101 @@ class EmptyView (Plot):
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self.label.hide()
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self.ebox.hide()
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Plot.hide(self)
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class NavToolbar(NavigationToolbar2):
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toolitems = (('Select', 'Select within rectangle', 'zoom_to_rect.png',
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'select'),) + NavigationToolbar2.toolitems
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def __init__(self, *args):
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NavigationToolbar2.__init__(self, *args)
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self._select_callback = None
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def select(self, *args):
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"""Selection mode selected handler."""
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if self._active == 'SELECT':
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self._active = None
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else:
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self._active = 'SELECT'
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if self._idPress is not None:
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self._idPress = self.canvas.mpl_disconnect(self._idPress)
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self.mode = ''
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if self._idRelease is not None:
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self._idRelease = self.canvas.mpl_disconnect(self._idRelease)
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self.mode = ''
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if self._active:
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self._idPress = self.canvas.mpl_connect('button_press_event', self.press_select)
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self._idRelease = self.canvas.mpl_connect('button_release_event', self.release_select)
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self.mode = 'Select rectangle mode'
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self.set_message(self.mode)
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def set_message(self, s):
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"""Set status in toolbar to string s.
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Overrided to make sure message can be updated even when
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drawing rubberband.
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"""
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self.message.set_label(s)
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def press_select(self, event):
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"""Mouse button pressed handler for selection mode."""
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x, y = event.x, event.y
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for i, a in enumerate(self.canvas.figure.get_axes()):
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if event.inaxes==a and event.inaxes.get_navigate():
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xmin, xmax = a.get_xlim()
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ymin, ymax = a.get_ylim()
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lim = xmin, xmax, ymin, ymax
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self._xypress = x, y, a, i, lim, a.transData.deepcopy()
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break
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self.press(event)
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def release_select(self, event):
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"""Mouse button released handler for selection mode."""
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# only release if button was pressed inside first?
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if self._xypress:
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x, y = event.x, event.y
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lastx, lasty, a, ind, lim, trans = self._xypress
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lastx, lasty = a.transData.inverse_xy_tup( (lastx, lasty) )
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x, y = a.transData.inverse_xy_tup( (x, y) )
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if self._select_callback:
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self._select_callback(lastx, lasty, x, y)
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self._xypress = None
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self.draw()
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self.release(event)
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def mouse_move(self, event):
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"""Extend NavigationToolbar2.mouse_move to provide selection support."""
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from matplotlib.backend_bases import cursors
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# Only update the rubberband for selection mode when mouse is
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# within the plotting area.
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if event.inaxes and self._active=='SELECT':
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if self._lastCursor != cursors.SELECT_REGION:
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self.set_cursor(cursors.SELECT_REGION)
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self._lastCursor = cursors.SELECT_REGION
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if self._xypress is not None:
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x, y = event.x, event.y
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lastx, lasty, a, ind, lim, trans= self._xypress
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self.draw_rubberband(event, x, y, lastx, lasty)
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NavigationToolbar2.mouse_move(self, event)
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def set_select_callback(self, listener):
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"""Allow plots to register a callback for selection events.
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The callback will be called as listener(x1, y1, x2, y2). All
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coordinates are in the plot coordinate system, not pixels or
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widget coordinates.
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"""
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self._select_callback = listener
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class SinePlot(Plot):
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@ -225,9 +335,14 @@ class SinePlot(Plot):
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ax.plot(t,s)
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self.canvas = FigureCanvas(fig)
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self._toolbar = NavToolbar(self.canvas, None)
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self._toolbar.set_property('show-arrow', False)
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self.add(self.canvas)
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self.canvas.show()
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def get_toolbar(self):
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return self._toolbar
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class ScatterPlot(Plot):
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def __init__(self, dataset,id_dim, sel_dim,id_1,id_2):
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@ -243,21 +358,22 @@ class ScatterPlot(Plot):
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self.xaxis_data = dataset._array[:,x_index]
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self.yaxis_data = dataset._array[:,y_index]
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ax.plot(self.xaxis_data,self.yaxis_data,'og')
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###
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self.canvas = FigureCanvas(fig)
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self.add(self.canvas)
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rectprops = dict(facecolor='gray', edgecolor = 'black',
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alpha=0.2, fill=True) #cool
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self.sel = RectangleSelector(ax, self.rectangle_select_callback,
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drawtype='box',useblit=True,rectprops=rectprops)
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self.canvas.show()
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def rectangle_select_callback(self,event1, event2):
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self._toolbar = NavToolbar(self.canvas, None)
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self._toolbar.set_property('show-arrow', False)
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self._toolbar.set_select_callback(self.rectangle_select_callback)
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def get_toolbar(self):
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return self._toolbar
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def rectangle_select_callback(self, x1, y1, x2, y2):
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'event1 and event2 are the press and release events'
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x1, y1 = event1.xdata, event1.ydata
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x2, y2 = event2.xdata, event2.ydata
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ydata = self.yaxis_data
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xdata = self.xaxis_data
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@ -297,3 +413,4 @@ class ScatterPlot(Plot):
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self.ax.plot(self.xaxis_data,self.yaxis_data,'og')
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self.ax.plot(xdata_new,ydata_new,'or')
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self.canvas.draw()
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