| 主权项 |
1. A screen-data editing device for a programmable display device that edits screen data of a programmable display device, the screen-data editing device comprising:
a display unit that displays information; a display-device-information management unit that reads from the programmable display device, display-device main-unit information indicating a history of information externally output from the programmable display device and display-device operation-history information indicating a history of operations performed with respect to the programmable display device, extracts a reserved word contained in the display-device main-unit information and the display-device operation-history information read from the programmable display device, and creates a display-device main-unit information database and a display-device operation-history information database that have a plurality of records each containing a field for a search key corresponding to the reserved word; a display-device-information search unit that extracts, from the display-device operation-history information database, a record containing a same search key as that contained in a record specified from the display-device main-unit information database through a user's operation; and a search-result display unit that causes the display unit to display as an operation history list, a list of the records extracted from the display-device operation-history information database by the display-device-information search unit. |
