300 lines
9.0 KiB
Python
300 lines
9.0 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.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 system import logger
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class MainView (gtk.Notebook):
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def __init__(self):
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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.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 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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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_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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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 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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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 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.add(self.canvas)
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self.canvas.show()
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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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Plot.__init__(self, 'Scatter plot')
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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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###
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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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'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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# 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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