Package index • blockr

Fields core elements

Functions to build fields

new_field() is_field(): Fields

initialize_field(): Initialize field generic

is_initialized(): S3 generic for initialization

validate_field() is_valid() validation_failure(): Validate field generic

update_field() get_field_name(): Update field generic

value() `value<-`(): Get field attribute value

values(): Get all values from a field

Fields elements

Fields are translated into shiny inputs. They are part of blocks.

new_string_field(): String field constructor

new_select_field(): Select field constructor

new_switch_field(): Switch field constructor

new_numeric_field(): Numeric field constructor

new_submit_field(): Submit field constructor

new_upload_field(): Upload field constructor

new_filesbrowser_field(): Files browser field constructor

new_variable_field(): Variable field constructor

new_range_field(): Range field constructor

new_hidden_field(): Hidden field constructor

new_list_field(): List field constructor

new_result_field(): Result field constructor

generate_server(<keyvalue_field>) ui_input(<keyvalue_field>) new_keyvalue_field() keyvalue_field(): Key Value Field server

Blocks core elements

Functions to build blocks

new_block() is_block(): Blocks

initialize_block(): Initialize block generic

is_initialized(): S3 generic for initialization

generate_code(): Generate code generic

evaluate_block(): Evaluate a block generic

update_fields(): Update fields generic

layout(): Default layout for fields Default layout for fields, places fields on rows and collapses parts of inputs when there are too many.

create_block(): Create a new block

Blocks

Blocks contain field. They return a dataframe

new_dataset_block(): Data block constructor

new_upload_block(): Upload block constructor

new_filesbrowser_block(): Files browser block constructor

new_parser_block() new_csv_block() new_rds_block() new_json_block() new_xpt_block(): Data parser block constructor

new_result_block(): Result block

new_filter_block(): Filter block

new_select_block(): Select block

new_summarize_block(): Summarize block

new_arrange_block(): Arrange block

new_group_by_block(): Group by block

new_join_block(): Join block

new_head_block(): Head block

new_mutate_block(): Mutate block constructor

Stack

Stack contains multiple block.

new_stack() is_stack() get_stack_name() set_stack_name() set_stack_title() get_stack_title() generate_code(<stack>) serve_stack(): Stacks

block_combiner(): Combine 2 block expressions

add_block_server() add_block() add_block_ui(): Add block server generic

Workspace

Workspace contains multiple stacks.

set_workspace() restore_workspace() save_workspace() get_workspace() is_workspace() add_workspace_stack() set_workspace_stack() rm_workspace_stacks() rm_workspace_stack() set_workspace_title() set_workspace_settings() list_workspace_stacks() clear_workspace() get_workspace_stack() get_workspace_stacks() get_workspace_title() get_workspace_settings() serve_workspace(): Workspace

Registry

Registry of blocks

available_blocks() block_name() block_descr() register_block() register_blocks() unregister_blocks() construct_block(): Block registry

get_compatible_blocks(): Find stack compatible blocks

get_registry(): List available blocks as a data.frame

add_block_server() add_block() add_block_ui(): Add block server generic

Server utilities

Shiny server elements

server_code(): Server code generic

server_output(): Server output generic

add_block_server() add_block() add_block_ui(): Add block server generic

generate_server(): Generic for server generation

handle_remove(): Remove stack/block generic

init(): Generic for server initialisation

UI utilities

Shiny ui elements

generate_server(<keyvalue_field>) ui_input(<keyvalue_field>) new_keyvalue_field() keyvalue_field(): Key Value Field server

uiCode(): Copy code generic

uiOutputBlock(): Render block output generic

ui_fields(): Block fields generic

ui_input() input_ids() ui_update(): UI input generic

add_block_server() add_block() add_block_ui(): Add block server generic

download_ui(): Block download generic

exprs_ui(): Create a UI element for expressions

generate_ui() input_ids(<list_field>): UI

block_body(): Block body generic

block_code(): Block code generic

block_header(): Block header generic

data_info(): Data info generic

remove_button(): Block remove generic

inject_remove_button(): Inject remove button into block header

stack_header(): Stack header generic

block_icon(): Block icon generic

useBlockr(): Use Blockr Imports blockr dependencies

off_canvas(): Bootstrap 5 offcanvas

create_app_link(): Create shinylive iframe

Serialisation utils

To save and restore a workspace

blockr_serialize() blockr_deserialize() from_json() to_json(): Serialization

Workspace locking

Utils to lock a workspace

lock() unlock() toggle_lock() is_locked() observe_lock(): Lock

init_lock(): Initialise Lock Initialises the lock reactive value.

Logging utils

Track log messages

write_log() log_fatal() log_error() log_warn() log_info() log_debug() log_trace() as_log_level() cnd_logger() cat_logger(): Logging