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extends TouchItemList
class_name Database
const DATABASE_FILE_PATH: String = "user://database.json"
const DATABASE_FILE_VERSION: int = 1
var db: Array
var selected_idx: int
var staged_idx: int
onready var confirm_action := get_node("/root/main/confirm_action") as ConfirmationDialog
onready var stage := get_node("/root/main/stage") as Stage
onready var delete_button := get_node("actions/delete") as Button
onready var edit_button := get_node("actions/edit") as Button
onready var add_button := get_node("actions/add") as Button
func _init():
selected_idx = -1
staged_idx = -1
load_database()
func _ready():
self.connect("item_selected", self, "item_selected")
self.connect("nothing_selected", self, "clear_selection")
delete_button.connect("pressed", self, "delete_action")
edit_button.connect("pressed", self, "edit_action")
add_button.connect("pressed", self, "add_action")
stage.connect("save", self, "save_stage")
stage.connect("discard", self, "discard_stage")
for it in db:
self.add_item(get_entry_view(it))
clear_selection()
func _notification(what: int):
# @DAM This code should be moved into the main.gd which should check which node was currently
# active and above, and send the signal there.
if visible == false || has_focus() == false:
return
if what == MainLoop.NOTIFICATION_WM_GO_BACK_REQUEST:
if selected_idx >= 0:
clear_selection()
else:
get_tree().quit()
func get_entry_view(database_entry: Dictionary) -> String:
return "%6s | %6s | %s" % [database_entry.process_id, database_entry.surgery_id, DatabaseEntry.get_entry_date(database_entry)]
func item_selected(index: int):
selected_idx = index
fade_action_buttons(1.0)
func clear_selection():
selected_idx = -1
unselect_all()
fade_action_buttons(0.25)
func fade_action_buttons(target_alpha: float):
get_node("actions/delete").modulate.a = target_alpha
get_node("actions/edit").modulate.a = target_alpha
func delete_action():
if selected_idx < 0:
return
confirm_action.dialog_text = "Do you want to delete entry with process ID '%s' from the database?" % db[selected_idx].process_id
confirm_action.connect("confirmed", self, "delete_action_confirmed", [], CONNECT_ONESHOT)
confirm_action.show_modal(true)
func delete_action_confirmed():
db.remove(selected_idx)
self.remove_item(selected_idx)
selected_idx = -1
save_database()
clear_selection()
func edit_action():
if selected_idx < 0:
return
staged_idx = selected_idx
self.visible = false
stage.visible = true
var staged := (db[staged_idx] as Dictionary).duplicate(true)
stage.set_stage(staged)
func add_action():
self.visible = false
stage.visible = true
var staged := DatabaseEntry.instance_entry()
stage.set_stage(staged)
func save_stage(entry: Dictionary):
if DatabaseEntry.is_valid_entry(entry) == false:
printerr("INVALID ENTRY RECEIVED")
return # @DAM Deal with this.
var next_selected_idx: int
if staged_idx >= 0:
db[staged_idx] = entry
next_selected_idx = staged_idx
else:
db.append(entry)
self.add_item(get_entry_view(entry))
next_selected_idx = db.size() - 1
select(next_selected_idx)
emit_signal("item_selected", next_selected_idx) # Calling "select" does not trigger the "item_selected" signal.
set_item_text(selected_idx, get_entry_view(db[selected_idx]))
ensure_current_is_visible()
save_database()
staged_idx = -1
self.visible = true
grab_focus()
func discard_stage():
staged_idx = -1
self.visible = true
grab_focus()
func load_database(file_path: String = DATABASE_FILE_PATH):
var file := File.new()
file.open(file_path, File.READ_WRITE)
var file_content = file.get_as_text()
file.close()
var parse_result = JSON.parse(file_content)
if parse_result.error != OK || typeof(parse_result.result) != TYPE_DICTIONARY:
push_error("Failed to parse database file: '%s'.")
return
if parse_result.result["version"] != DATABASE_FILE_VERSION:
push_error("Invalid database file version '%s', expected '%s'." % DATABASE_FILE_VERSION)
return
if typeof(parse_result.result["database"]) != TYPE_ARRAY:
push_error("Failed to load database file contents.")
return
db = parse_result.result["database"]
# The JSON specification does not define integer or float types, but only a number type.
# Therefore, converting a Variant to JSON text will convert all numerical values to float types.
# Thus, we cast all integer values once we load them.
for it in db:
it.date_year = int(it.date_year)
it.date_month = int(it.date_month)
it.date_day = int(it.date_day)
func save_database(file_path: String = DATABASE_FILE_PATH):
var database_file := {
"version": DATABASE_FILE_VERSION,
"database": db,
}
var indentation_char := "" if file_path == DATABASE_FILE_PATH else "\t"
var file_content := JSON.print(database_file, indentation_char)
var file := File.new()
file.open(file_path, File.WRITE)
file.store_string(file_content)
file.close()
static func import_database(file_path: String) -> Array:
var result: Array
var file := File.new()
file.open(file_path, File.READ_WRITE)
var headers := file.get_csv_line()
while file.get_position() < file.get_len():
var csv_entry := file.get_csv_line()
var entry = DatabaseEntry.instance_entry()
for idx in headers.size():
var field_name := headers[idx]
var field_value := csv_entry[idx]
match field_name:
"date":
DatabaseEntry.set_entry_date(entry, field_value)
"date_year", "date_month", "date_day":
entry[field_name] = int(field_value)
"is_urgency":
entry[field_name] = true if field_value.strip_edges().to_lower() == "true" else false
_:
if DatabaseEntry.ENTRY_PROTOTYPE.has(field_name):
entry[field_name] = field_value
if DatabaseEntry.is_valid_entry(entry):
result.append(entry)
file.close()
return result
static func export_database(file_path: String, database: Array = db):
var file := File.new()
file.open(file_path, File.WRITE)
var header := PoolStringArray(DatabaseEntry.ENTRY_PROTOTYPE.keys())
file.store_csv_line(header)
for it in database:
# @DAM This approach depends on the order the dictionary fields are created.
file.store_csv_line(it.values())
file.close()
func clear_database():
clear_selection()
self.clear()
db.resize(0)
func fake_database():
clear_database()
for idx in range(500):
var today := OS.get_date(true)
var date_year = today.year + int(float(idx) / 30.0 / 12)
var date_month = 1 + int(float(idx) / 30.0) % 12
var date_day = 1 + (idx % 30)
var fake_entry = DatabaseEntry.instance_entry({
"process_id": "%06d" % idx,
"surgery_id": "s%05d" % idx,
"date_year": date_year,
"date_month": date_month,
"date_day": date_day,
})
db.append(fake_entry)
self.add_item(get_entry_view(fake_entry))
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