Package conduit :: Package gtkui :: Module Canvas :: Class Canvas

Class Canvas

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This class manages many objects

Instance Methods

__init__(self, parentWindow, typeConverter, syncManager, dataproviderMenu, conduitMenu, msg)
Draws an empty canvas of the appropriate size

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_do_hint(self, msgarea, respid)

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_make_hint(self, hint, timeout=4)

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_show_hint(self, conduitCanvasItem, dataproviderCanvasItem, newItem)

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_update_for_theme(self, *args)

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_setup_popup_menus(self, dataproviderPopupXML, conduitPopupXML)
Sets up the popup menus and their callbacks

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_delete_welcome(self)

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_create_welcome(self)

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_maybe_show_welcome(self)
Adds a friendly welcome to the canvas.

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_get_child_conduit_canvas_items(self)

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_get_child_dataprovider_canvas_items(self)

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_canvas_resized(self, widget, allocation)

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_on_conduit_button_press(self, view, target, event)
Handle button clicks on conduits

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_on_dataprovider_button_press(self, view, target, event)
Handle button clicks

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int

_get_bottom_of_conduits_coord(self)
Gets the Y coordinate at the bottom of all visible conduits

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_get_minimum_canvas_size(self, allocH=None)

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_remove_overlap(self)
Moves the ConduitCanvasItems to stop them overlapping visually

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on_conduit_removed(self, sender, conduitRemoved)

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on_conduit_added(self, sender, conduitAdded)
Creates a ConduitCanvasItem for the new conduit

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on_dataprovider_removed(self, sender, dataproviderRemoved, conduitCanvasItem)

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on_dataprovider_added(self, sender, dataproviderAdded, conduitCanvasItem)
Creates a DataProviderCanvasItem for the new dataprovider and adds it to the canvas

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get_sync_set(self)

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set_sync_set(self, syncSet)

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on_drag_motion(self, wid, context, x, y, time)

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on_delete_conduit_clicked(self, widget)
Delete a conduit and all its associated dataproviders

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on_refresh_conduit_clicked(self, widget)
Refresh the selected conduit

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on_synchronize_conduit_clicked(self, widget)
Synchronize the selected conduit

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on_delete_dataprovider_clicked(self, widget)
Delete the selected dataprovider

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on_configure_dataprovider_clicked(self, widget)
Calls the configure method on the selected dataprovider

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on_refresh_dataprovider_clicked(self, widget)
Refreshes a single dataprovider

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on_two_way_sync_toggle(self, widget)
Enables or disables two way sync on dataproviders.

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on_slow_sync_toggle(self, widget)
Enables or disables slow sync of dataproviders.

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on_auto_sync_toggle(self, widget)
Enables or disables slow sync of dataproviders.

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on_policy_toggle(self, widget, policyName, policyValue)

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add_dataprovider_to_canvas(self, key, dataproviderWrapper, x, y)
Adds a new dataprovider to the Canvas

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clear_canvas(self)

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Inherited from _StyleMixin: get_gtk_style, get_style_color_int_rgb, get_style_color_int_rgba, get_style_color_rgb, get_style_color_rgba

Inherited from _StyleMixin (private): _get_colors_and_state

Class Variables

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DND_TARGETS = [('conduit/element-name', 0, 0)]

WELCOME_MESSAGE = _("Drag a Data Provider here to continue")

Method Details

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_setup_popup_menus(self, dataproviderPopupXML, conduitPopupXML)

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Sets up the popup menus and their callbacks

Parameters:

conduitPopupXML (gtk.glade.XML) - The menu which is popped up when the user right clicks on a conduit
dataproviderPopupXML (gtk.glade.XML) - The menu which is popped up when the user right clicks on a dataprovider

_maybe_show_welcome(self)

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Adds a friendly welcome to the canvas. Only does so only if there are no conduits, otherwise it would just get in the way.

_on_dataprovider_button_press(self, view, target, event)

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Handle button clicks

Parameters:

user_data_dataprovider_wrapper (conduit.Module.ModuleWrapper) - The dpw that was clicked

_get_bottom_of_conduits_coord(self)

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Gets the Y coordinate at the bottom of all visible conduits

Returns: int: A coordinate (postivive down) from the canvas origin

add_dataprovider_to_canvas(self, key, dataproviderWrapper, x, y)

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Adds a new dataprovider to the Canvas

Parameters:

module (conduit.Module.ModuleWrapper.) - The dataprovider wrapper to add to the canvas
x (int) - The x location on the canvas to place the module widget
y (int) - The y location on the canvas to place the module widget

Returns:

The conduit that the dataprovider was added to