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laydi/fluents/fluents.py

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#!/usr/bin/python
import os
import sys
import pygtk
pygtk.require('2.0')
import gobject
import gtk
import gtk.gdk
import gtk.glade
import gnome
import gnome.ui
import scipy
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import pango
import project, workflow, dataset, logger, view, navigator, dialogs, selections, main
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PROGRAM_NAME = 'fluents'
VERSION = '0.1.0'
DATADIR = os.path.dirname(sys.modules['fluents'].__file__)
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ICONDIR = os.path.join(DATADIR,"..","icons")
GLADEFILENAME = os.path.join(DATADIR, 'fluents.glade')
class IconFactory:
"""Factory for icons that ensures that each icon is only loaded once."""
def __init__(self, path):
self._path = path
self._icons = {}
def get(self, iconname):
"""Returns the gdk loaded PixBuf for the given icon.
Reads the icon from file if necessary."""
if self._icons.has_key(iconname):
return self._icons[iconname]
icon_fname = os.path.join(self._path, '%s.png' % iconname)
icon = gtk.gdk.pixbuf_new_from_file(icon_fname)
self._icons[iconname] = icon
return icon
icon_factory = IconFactory(ICONDIR)
class TableSizeSelection(gtk.Window):
def __init__(self):
gtk.Window.__init__(self, gtk.WINDOW_POPUP)
self._table = gtk.Table(3, 3, True)
self._items = []
## Create a 3x3 table of EventBox object, doubly stored because
## gtk.Table does not support indexed retrieval.
for y in range(3):
line = []
for x in range(3):
ebox = gtk.EventBox()
ebox.add(gtk.Frame())
ebox.set_size_request(20, 20)
ebox.set_visible_window(True)
self._table.attach(ebox, x, x+1, y, y+1, gtk.FILL, gtk.FILL)
line.append(ebox)
self._items.append(line)
self.set_border_width(5)
self.add(self._table)
self.connect_signals()
def _get_child_pos(self, child):
for x in range(3):
for y in range(3):
if self._items[y][x] == child:
return (x, y)
return None
def connect_signals(self):
for x in range(3):
for y in range(3):
self._items[y][x].add_events(gtk.gdk.ENTER_NOTIFY_MASK)
self._items[y][x].connect("enter-notify-event",
self._on_enter_notify)
self._items[y][x].connect("button-release-event",
self._on_button_release)
def _on_enter_notify(self, widget, event):
x, y = self._get_child_pos(widget)
for i in range(3):
for j in range(3):
if i <= x and j <= y:
self._items[j][i].set_state(gtk.STATE_SELECTED)
else:
self._items[j][i].set_state(gtk.STATE_NORMAL)
self.x = x
self.y = y
def _on_button_release(self, widget, event):
self.emit('table-size-set', self.x+1, self.y+1)
self.hide_all()
for x in range(3):
for y in range(3):
self._items[y][x].set_state(gtk.STATE_NORMAL)
class ViewFrameToolButton (gtk.ToolItem):
def __init__(self):
gtk.ToolItem.__init__(self)
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fname = os.path.join(ICONDIR, "table_size.png")
image = gtk.Image()
image.set_from_file(fname)
self._button = gtk.Button()
self._button.set_image(image)
self._button.set_property("can-focus", False)
eb = gtk.EventBox()
eb.add(self._button)
self.add(eb)
self._item = TableSizeSelection()
self._button.connect("button-press-event", self._on_show_menu)
image.show()
self._image = image
self._item.connect("table-size-set", self._on_table_size_set)
self._button.set_relief(gtk.RELIEF_NONE)
self.show_all()
def _on_show_menu(self, widget, event):
x, y = self._image.window.get_origin()
x2, y2, w, h, b = self._image.window.get_geometry()
self._item.move(x, y+h)
self._item.show_all()
def _on_table_size_set(self, widget, width, height):
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main.application['main_view'].resize_table(width, height)
class FluentApp:
def __init__(self): # Application variables
# self.project = None
self.current_data = None
self._last_view = None
self._plot_toolbar = None
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self._toolbar_state = None
gtk.glade.set_custom_handler(self.custom_object_factory)
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self.widget_tree = gtk.glade.XML(GLADEFILENAME, 'appwindow')
# self.workflow = wf
self.idlist_crt = selections.IdListController(self['identifier_list'])
self.sellist_crt = selections.SelectionListController(self['selection_tree'],
self.idlist_crt)
self.dimlist_crt = selections.DimListController(self['dim_list'],
self.sellist_crt)
self.sellist_crt.set_dimlist_controller(self.dimlist_crt)
def init_gui(self):
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self['appwindow'].set_size_request(800, 600)
# Set up workflow
self.wf_view = workflow.WorkflowView(main.workflow)
self.wf_view.show()
self['workflow_vbox'].pack_end(self.wf_view)
self._wf_menu = workflow.WorkflowMenu(main.workflow)
self._wf_menu.show()
wf_menuitem = gtk.MenuItem('Fu_nctions')
wf_menuitem.set_submenu(self._wf_menu)
wf_menuitem.show()
self['menubar1'].insert(wf_menuitem, 3)
# Connect signals
signals = {'on_quit1_activate' : (gtk.main_quit),
'on_appwindow_delete_event' : (gtk.main_quit),
'on_zoom_in_button_clicked' : (self.on_single_view),
'on_zoom_out_button_clicked' : (self.on_multiple_view),
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'on_new1_activate' : (self.on_create_project),
'on_button_new_clicked' : (self.on_create_project),
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'on_workflow_refresh_clicked' : (self.on_workflow_refresh_clicked),
'on_index1_activate' : (self.on_help_index),
'on_about1_activate' : (self.on_help_about),
'on_report_bug1_activate' : (self.on_help_report_bug),
'on_small_view1_activate' : (self.on_multiple_view),
'on_large_view1_activate' : (self.on_single_view),
'on_left1_activate' : (self.on_left),
'on_right1_activate' : (self.on_right),
'on_up1_activate' : (self.on_up),
'on_down1_activate' : (self.on_down),
}
self.widget_tree.signal_autoconnect(signals)
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self['main_view'].connect('view-changed', self.on_view_changed)
# Log that we've set up the app now
logger.log('debug', 'Program started')
# Add ViewFrame table size to toolbar
tb = ViewFrameToolButton()
self['toolbar'].add(tb)
def set_project(self, proj):
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logger.log('notice', 'Creating a new project')
# self.project = proj
# project.project = proj
# main.workflow.add_project(proj)
self.navigator_view.add_project(proj)
self.dimlist_crt.set_project(proj)
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self.sellist_crt.set_project(proj)
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def set_workflow(self, workflow):
main.workflow = workflow
self.wf_view.set_workflow(main.workflow)
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def show(self):
self.init_gui()
def change_plot(self, plot):
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"""Sets the plot in the currently active ViewFrame. If the plot is
already shown in another ViewFrame it will be moved from there."""
# Set current selection in the plot before showing it.
plot.selection_changed(None, main.project.get_selection())
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self['main_view'].insert_view(plot)
self._update_toolbar(plot)
def change_plots(self, plots):
"""Changes all plots."""
self['main_view'].set_all_plots(plots)
v = self.get_active_view_frame().get_view()
self._update_toolbar(v)
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def get_active_view_frame(self):
return self['main_view'].get_active_view_frame()
def _update_toolbar(self, view):
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"""Set the plot specific toolbar to the toolbar of the currently
active plot."""
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# don't do anything on no change
if self._last_view == view:
return
self._last_view = view
logger.log("debug", "view changed to %s" % view)
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window = self['plot_toolbar_dock']
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if self._plot_toolbar:
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toolbar_state = self._plot_toolbar.get_mode()
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window.remove(self._plot_toolbar)
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else:
toolbar_state = "default"
if view:
self._plot_toolbar = view.get_toolbar()
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self._plot_toolbar.set_mode(toolbar_state)
else:
self._plot_toolbar = None
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if self._plot_toolbar:
window.add(self._plot_toolbar)
# Methods to create GUI widgets from CustomWidgets in the glade file.
# The custom_object_factory calls other functions to generate specific
# widgets.
def custom_object_factory(self, glade, fun_name, widget_name, s1, s2, i1, i2):
"Called by the glade file reader to create custom GUI widgets."
handler = getattr(self, fun_name)
return handler(s1, s2, i1, i2)
def create_logview(self, str1, str2, int1, int2):
self.log_view = logger.LogView(logger.logger)
self.log_view.show()
return self.log_view
def create_main_view(self, str1, str2, int1, int2):
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self.main_view = view.MainView()
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self.main_view.show()
return self.main_view
def create_navigator_view(self, str1, str2, int1, int2):
self.navigator_view = navigator.NavigatorView()
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self.navigator_view.show()
return self.navigator_view
def create_dim_list(self, str1, str2, int1, int2):
self.dim_list = selections.DimList()
self.dim_list.show()
return self.dim_list
def create_selection_tree(self, str1, str2, int1, int2):
self.selection_tree = selections.SelectionTree()
self.selection_tree.show()
return self.selection_tree
def create_identifier_list(self, str1, str2, int1, int2):
self.identifier_list = selections.IdentifierList()
self.identifier_list.show()
return self.identifier_list
def __getitem__(self, key):
return self.widget_tree.get_widget(key)
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# Event handlers.
# These methods are called by the gtk framework in response to events and
# should not be called directly.
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def on_single_view(self, *ignored):
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self['main_view'].goto_large()
def on_multiple_view(self, *ignored):
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self['main_view'].goto_small()
def on_create_project(self, *rest):
d = dialogs.CreateProjectDruid(self)
d.run()
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def on_help_about(self, *rest):
widget_tree = gtk.glade.XML(GLADEFILENAME, 'aboutdialog')
about = widget_tree.get_widget('aboutdialog')
about.run()
def on_help_index(self, *ignored):
gnome.help_display_uri('https://dev.pvv.org/projects/fluent/wiki/help')
def on_help_report_bug(self, *ignored):
gnome.help_display_uri('https://dev.pvv.org/projects/fluent/newticket')
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def on_workflow_refresh_clicked(self, *ignored):
try:
reload(sys.modules[main.workflow.__class__.__module__])
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except Exception, e:
logger.log('warning', 'Cannot reload workflow')
logger.log('warning', e)
else:
logger.log('notice', 'Successfully reloaded workflow')
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def on_view_changed(self, widget, vf):
self._update_toolbar(vf.get_view())
def on_left(self, item):
self.main_view.move_focus_left()
def on_right(self, item):
self.main_view.move_focus_right()
def on_up(self, item):
self.main_view.move_focus_up()
def on_down(self, item):
self.main_view.move_focus_down()
gobject.signal_new('table-size-set', TableSizeSelection,
gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
(gobject.TYPE_INT, gobject.TYPE_INT))