474 lines
15 KiB
Python
474 lines
15 KiB
Python
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import pygtk
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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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from matplotlib.widgets import RectangleSelector
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from matplotlib import cm
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from system import logger
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class MainView (gtk.Notebook):
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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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self.append_page(self.small_view)
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self.append_page(self.large_view)
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self.set_current_page(0)
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def goto_small(self):
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if self.get_current_page() == 0:
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return None
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self.set_current_page(0)
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view = self.large_view.remove_child()
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self.small_view.return_current(view)
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def goto_large(self):
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if self.get_current_page() == 1:
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return None
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self.set_current_page(1)
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view = self.small_view.borrow_current()
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self.large_view.set_child(view)
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def show(self):
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gtk.Notebook.show(self)
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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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self.project = None
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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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self.child_views = [[EmptyView(), EmptyView()],
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[EmptyView(), EmptyView()]]
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self.cols = 2
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self.rows = 2
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self.active_x = 0
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self.active_y = 0
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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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child = self.child_views[x][y]
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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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self.remove(cur_widget)
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self.attach(child, col, col+1, row, row+1)
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child.parent_signalling = child.connect('button_press_event', self.__view_button_event__)
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self.child_views[col][row] = child
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if cur_widget.active:
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child.mark_active(True)
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cur_widget.mark_active(False)
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child.show()
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def borrow_current(self):
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self.borrowed = self.child_views[self.active_x][self.active_y]
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self.remove_child(self.active_x, self.active_y)
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return self.borrowed
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def return_current(self, view):
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self.set_child(view, self.active_x, self.active_y)
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def remove_child(self, col, row):
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self.remove(self.child_views[col][row])
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self.attach(EmptyView(), col, col+1, row, row+1)
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def insert_view(self, child):
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if not self.find_child(child):
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self.set_child(child, self.active_x, self.active_y)
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def show(self):
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for x in self.child_views:
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for y in x:
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y.show()
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gtk.Table.show(self)
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def hide(self):
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for x in self.child_views:
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for y in x:
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y.hide()
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gtk.Table.hide(self)
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def set_active(self, x, y):
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old_focus = self.child_views[self.active_x][self.active_y]
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new_focus = self.child_views[x][y]
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old_focus.mark_active(False)
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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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for j, v in enumerate(row):
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if v == child:
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return (i, j)
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return None
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def __view_button_event__(self, view, *rest):
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loc = self.find_child(view)
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if loc:
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self.set_active(loc[0], loc[1])
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def get_view(self, x, y):
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return self.child_views[x][y]
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class LargeView (gtk.Frame):
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def __init__(self):
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gtk.Frame.__init__(self)
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self.child_view = EmptyView()
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self.add(self.child_view)
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def set_child(self, child):
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self.remove(self.child_view)
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self.child_view.hide()
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self.add(child)
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self.child_view = child
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child.show()
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def hide(self):
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self.child_view.hide()
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gtk.Frame.hide(self)
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def show(self):
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self.child_view.show()
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gtk.Frame.show(self)
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def remove_child(self):
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child = self.child_view
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child.hide()
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self.remove(child)
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return child
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class EmptyView (Plot):
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def __init__(self):
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Plot.__init__(self, 'Empty view')
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label = gtk.Label('No view')
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ebox = gtk.EventBox()
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ebox.add(label)
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self.add(ebox)
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label.connect('button_press_event', self.on_button_press)
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self.label = label
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self.ebox = ebox
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self.show()
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def show(self):
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self.ebox.show()
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self.label.show()
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Plot.show(self)
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def hide(self):
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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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def __init__(self):
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Plot.__init__(self, 'Sine plot')
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fig = Figure(figsize=(5,4), dpi=72)
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ax = fig.add_subplot(111)
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t = arange(0.0,3.0,0.01)
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s = sin(2*pi*t)
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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 LinePlot(Plot):
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def __init__(self, dataset, name="Line plot"):
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Plot.__init__(self, name)
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fig = Figure(figsize=(5,4), dpi=72)
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self.canvas = FigureCanvas(fig)
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self.ax = ax = fig.add_subplot(111)
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self._dataset = dataset
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import rpy
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silent_eval = rpy.with_mode(rpy.NO_CONVERSION, rpy.r)
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rpy.with_mode(rpy.NO_CONVERSION, rpy.r.assign)("m", dataset.get_matrix())
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ymin, ymax = rpy.r("range(m)*1.1")
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self._ymin, self._ymax = ymin, ymax
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silent_eval("res <- apply(m, 2, density, from=%s, to=%s)" % (ymin, ymax))
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silent_eval("k <- sapply(1:length(res), function(id) rev(res[[id]]$y))")
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self._bg_matrix = bg_matrix = rpy.r("k")
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rpy.r.rm(["k", "res", "m"])
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self.update(None)
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self.add(self.canvas)
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self.canvas.show()
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# We use a regular toolbar as we don't need selections
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self._toolbar = NavigationToolbar2(self.canvas, None)
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self._toolbar.set_property('show-arrow', False)
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def get_toolbar(self):
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self.canvas.draw()
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return self._toolbar
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def update(self, key):
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self.ax.clear()
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rows, cols = self._bg_matrix.shape
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self.ax.imshow(self._bg_matrix, cmap=cm.Greys, extent=(0.5, cols+0.5, self._ymin, self._ymax))
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if self.project:
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curr_sel = self.project.get_selection() # get selection object
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ids = curr_sel['ids'] # current identifiers
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index = [ind for id,ind in self._dataset['ids'].items() if id in ids] #conversion to index
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for i in index:
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line = self._dataset.get_matrix()[i]
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self.ax.plot(range(1, len(line)+1), line)
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self.ax.set_xlim((0.5, cols+0.5))
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self.ax.set_ylim((self._ymin, self._ymax))
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self.canvas.draw()
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class ScatterPlot(Plot):
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def __init__(self, dataset, id_dim, sel_dim, id_1, id_2, name="Scatter plot"):
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Plot.__init__(self, name)
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fig = Figure(figsize=(5,4), dpi=72)
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self.ax = ax = fig.add_subplot(111)
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self.current_dim = id_dim
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# testing testing
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self.dataset = dataset
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x_index = dataset[sel_dim][id_1]
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y_index = dataset[sel_dim][id_2]
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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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ax.set_title(self.get_title())
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ax.set_xlabel("%s - %s" % (sel_dim, id_1))
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ax.set_ylabel("%s - %s" % (sel_dim, id_2))
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###
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self.canvas = FigureCanvas(fig)
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self.add(self.canvas)
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self.canvas.show()
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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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ydata = self.yaxis_data
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xdata = self.xaxis_data
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# find indices of selected area
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if x1>x2:
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if y1<y2:
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index =scipy.nonzero((xdata<x1) & (xdata>x2) & (ydata>y1) & (ydata<y2))
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else:
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index =scipy.nonzero((xdata<x1) & (xdata>x2) & (ydata<y1) & (ydata>y2))
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else:
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#logger.log('debug','Selection x_start less than x_end')
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if y1<y2:
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#logger.log('debug','Selection y_start less than y_end')
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index =scipy.nonzero((xdata>x1) & (xdata<x2) & (ydata>y1) & (ydata<y2))
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else:
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#logger.log('debug','Selection y_start bigger than y_end')
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index =scipy.nonzero((xdata>x1) & (xdata<x2) & (ydata<y1) & (ydata>y2))
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# generate ids for selected indices
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reverse = {}
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for key, value in self.dataset[self.current_dim].items():
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reverse[value] = key
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ids = []
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for ind in index:
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ids.append(reverse[ind])
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self.project.set_selection(self.current_dim,ids)
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def update(self, key):
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curr_sel = self.project.get_selection() # get selection object
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ids = curr_sel[self.current_dim] # current identifiers
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index = [ind for id,ind in self.dataset[self.current_dim].items() if id in ids] #conversion to index
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xdata_new = scipy.take(self.xaxis_data,index) #take data
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ydata_new = scipy.take(self.yaxis_data,index)
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self.ax.clear()
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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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