library(tidyverse)
devtools::load_all()
# using an input object provided by user:
inp_obj <- quo(dm_nycflights13())
cg_block <- new_cg_block(cg_input_object = inp_obj)
# evaluation of object:
cg_block %>%
cg_eval_block()
# visualisation of object:
cg_block %>%
cg_eval_block() %>%
dm_draw()
# Code Output in Shiny App:
cg_block
# user hits add table mtcars:
cg_block_2 <-
cg_block %>%
cg_add_call(dm_add_tbl(., mtcars))
# evaluation of object:
cg_block_2 %>%
cg_eval_block()
# visualisation of object:
cg_block_2 %>%
cg_eval_block() %>%
dm_draw()
# Code Output in Shiny App:
cg_block_2
# user adds a primary key for table mtcars:
cg_block_3 <-
cg_block_2 %>%
cg_add_call(dm_add_pk(., mtcars, c(mpg, wt)))
# evaluation of object:
cg_block_3 %>%
cg_eval_block()
# visualisation of object:
cg_block_3 %>%
cg_eval_block() %>%
dm_draw()
# Code Output in Shiny App:
cg_block_3
# user hits undo last action: FIXME: probably need a function for this
cg_block_4 <- cg_block_3
cg_block_4$cg_f_list <- cg_block_4$cg_f_list[-length(cg_block_4$cg_f_list)]
# visualisation of object:
cg_block_4 %>%
cg_eval_block() %>%
dm_draw()
# Code Output in Shiny App:
cg_block_4
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