Develop a small decision tree visualization software in Delphi

The task is to complete the application skelleton attached so that it allows entering and modification of decision trees and further visualizes the decision tree in a scalable way in the paintbox/scrollbox within the application. The visualization shall be done according to this ... [login to view URL] This is the SQL for the SQLite database ... CREATE TABLE TREENODES ( ID GUID NOT NULL, TREEID GUID NULL, TITLE VARCHAR(255) NULL, PATHTEXTTOPARENT VARCHAR(255) NULL, ISRESULT BIT NULL, PARENT GUID NULL, CONSTRAINT PrimaryKey2 PRIMARY KEY (ID,TREEID), CONSTRAINT TREES_TREENODES FOREIGN KEY (TREEID) REFERENCES TREES (ID) ON DELETE CASCADE ON UPDATE CASCADE ); CREATE TABLE TREES ( ID GUID NOT NULL, NAME VARCHAR(255) NOT NULL, COMMENT TEXT NULL, DATA BLOB NULL, CONSTRAINT PrimaryKey1 PRIMARY KEY (ID) ); The skelleton app already contains a datamodule which shall be completed and used. The application skelleton is an FMX (firemonkey) app.