view

Module for view class.

authors:

16. Savolainen (VTT), M. Marin (KHT), J. Olauson (KTH)

date:

14.07.2018

Module Contents

class view.View(toolbox, name, description, x, y)

Bases: project_item.ProjectItem

View class.

toolbox

QMainWindow instance

Type:ToolboxUI

name

Object name

Type:str

description

Object description

Type:str

x

Initial X coordinate of item icon

Type:int

y

Initial Y coordinate of item icon

Type:int

view_refresh_signal

make_signal_handler_dict(self)

Returns a dictionary of all shared signals and their handlers. This is to enable simpler connecting and disconnecting.

activate(self)

Restore selections and connect signals.

deactivate(self)

Save selections and disconnect signals.

restore_selections(self)

Restore selections into shared widgets when this project item is selected.

save_selections(self)

Save selections in shared widgets for this project item into instance variables.

get_icon(self)

Returns the item representing this Data Store on the scene.

references(self)

Returns a list of url strings that are in this item as references.

find_input_items(self)

Find input project items (only Data Stores now) that are connected to this View.

Returns:List of Data Store items.

refresh(self)

Update the list of references that this item is viewing.

open_graph_view_btn_clicked(self, checked=False)

Slot for handling the signal emitted by clicking on ‘Graph view’ button.

open_tabular_view_btn_clicked(self, checked=False)

Slot for handling the signal emitted by clicking on ‘Tabular view’ button.

open_tree_view_btn_clicked(self, checked=False)

Slot for handling the signal emitted by clicking on ‘Tree view’ button.

_open_view(self, view_store, supports_multiple_databases)

Opens references in a view window.

Parameters:

• view_store (dict) – a dictionary where to store the view window
• supports_multiple_databases (bool) – True if the view supports more than one database

close_all_views(self)

Closes all view windows.

populate_reference_list(self, items)

Add given list of items to the reference model. If None or an empty list given, the model is cleared.

update_name_label(self)

Update View tab name label. Used only when renaming project items.

open_directory(self, checked=False)

Open file explorer in View data directory.

execute(self)

Executes this View.

stop_execution(self)

Stops executing this View.

_selected_indexes(self)

Returns selected indexes.

_database_maps(self, indexes)

Returns database maps and database paths for given indexes.

static _restore_existing_view_window(view_id, view_store)

Restores an existing view window and returns True if the operation was successful.

_make_view_window(self, view_store, db_maps, databases)