Toolbar item functions — new_toolbar_item • blockr.dag

Functions for creating and working with toolbar items for the DAG interface.

Usage

new_toolbar_item(id, icon, js, action = NULL, tooltip = NULL)

is_toolbar_item(x)

toolbar_items(x)

Arguments

id: Unique identifier for the toolbar item.
icon: Name of an icon to show in the toolbar.
js: JavaScript code to execute when the entry is selected.
action: Action to perform when the entry is selected.
tooltip: Optional tooltip text for the entry.
x: Object

Value

new_toolbar_item(): A toolbar item object of class "toolbar_item" containing action and js functions, with id, icon, and tooltip attributes.
is_toolbar_item(): TRUE if x is a toolbar item, FALSE otherwise.
toolbar_items(): A list of toolbar items for the given object.

Details

new_toolbar_item(): Creates a new toolbar item with the specified id, icon, JavaScript code, action function, and tooltip text.
is_toolbar_item(): Tests whether an object is a valid toolbar item.
toolbar_items(): Generic function to extract toolbar items from various objects like dock extensions, boards, or lists.

The toolbar_items.dag_extension() method provides the following actions:

Zoom in - Increases the graph zoom level.
Zoom out - Decreases the graph zoom level.
Auto fit - Automatically fits the entire graph within the viewport.
Layout - Reapplies the graph layout algorithm to reorganize nodes.
Add block - Opens interface to add a new block to the workflow.
Add stack - Creates a new workflow stack.
Remove selected - Removes currently selected elements from the graph.