JP2002229765A - Screen display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dispense with programming when generating or correcting a screen. SOLUTION: A configuration information storage means 11 stores a screen definition file 101 described with the control definition information defining the configuration of the screen, a screen transition definition file 102 described with the screen destination definition information specifying another screen which can be called from the screen being displayed, and a grid definition file 103 described with the grid definition information for displaying data on the screen. A screen display processing means 13 generates the screen based on the definition information of the configuration information storage means 11, and the generated screen is displayed by a display means 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screen display device for creating and displaying an electronic screen of a digital image.

[0002]

2. Description of the Related Art Conventionally, as a tool for creating a digital image in a screen display device such as a computer, Visual Basic (VisualBasic) of Microsoft Corp., PowerBuilder (PowerBuilder) of Sybase Corp., and Wonderware Corp., USA Software using object-oriented technology such as InTouch is known. These tools aim to improve screen creation efficiency and screen quality.

Further, a program creating apparatus has been proposed for the purpose of improving the productivity of a screen display program (JP-A-5-341975). This program creating apparatus automatically creates a program for a display screen by modifying a fixed program prepared in advance. As a result, a program for displaying a screen with high display accuracy can be created, and it is possible to easily cope with a change in plant equipment.

[0004]

However, even if the above-mentioned tools and object-oriented techniques are used, it is necessary to perform a certain amount of programming in order to create a screen. For this reason, the creator of the screen needs a technique for acquiring the program rules and improving the creation efficiency, which has been an obstacle in creating the screen. In addition, there is a problem that a development environment such as hardware or software that satisfies functions required for programming is required.
In the program creating apparatus disclosed in Japanese Patent Application Laid-Open No. 5-341975, a fixed program is required to be modified.

[0005] In particular, in a plant monitoring and control system or a production management system, the contents of a screen displayed on a terminal device connected to the system may be changed after delivery of the system. However, it is not always the case that the person in charge of the supplier or the person in charge of the customer has knowledge of programming, and there is a case where the customer does not have a development environment. Therefore, there was a problem that the contents of the screen could not be easily changed at the delivery destination. SUMMARY An advantage of some aspects of the invention is to provide a screen display device that does not require programming when creating or modifying a screen.

[0006]

According to the present invention, there is provided a screen display device comprising: a display means for displaying an electronic screen; and a configuration information storage means for storing definition information necessary for creating the electronic screen. And a screen display processing means (13) for creating the electronic screen based on the definition information and displaying the created electronic screen on the display means. Further, in one configuration example of the screen display device of the present invention, the configuration information storage means includes: a screen definition file (101) in which control definition information defining a configuration of the electronic screen is described; A screen transition definition file (102) in which screen transition destination definition information specifying another electronic screen that can be called from is described, and a grid in which grid definition information for displaying data on the electronic screen are described. This stores the definition file (103). In one configuration example of the screen display device of the present invention, the screen display processing means (13) acquires data collected from a production management system or a plant monitoring control system based on the definition information, and It is displayed above.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram illustrating a configuration of a screen display device according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a screen display device, and 2 denotes a data storage device (server) including a computer or the like.

The screen display device 1 includes a configuration information storage unit 11 for storing definition information necessary for creating a screen, a display unit 12 such as a CRT display device or an LCD display device, and a screen based on the definition information. And a screen display processing unit 13 for displaying the created screen on the display unit 12, and an input unit 14 including a keyboard, a mouse, and the like. The configuration of the screen display device 1 except for the display unit 12 and the input unit 14 can be realized by a computer. That is,
The computer includes an arithmetic device, a storage device, and an input / output interface device, and operates as the screen display device 1 according to a program.

[0009] Configuration information storage means 11
Includes a screen definition file 101 in which control definition information for defining a screen configuration is described, and a screen transition definition in which screen transition destination definition information for specifying another screen that can be called from the currently displayed screen is described. A file 102, a grid definition file 103 in which grid definition information for displaying data collected by, for example, a production management system or a plant monitoring control system on a screen, and a storage of the screen definition file 101 and the grid definition file 103 A system definition file 104 in which a path name indicating the destination and the name of the screen transition definition file 102 are described, and a template file 105 in which template information as a basis of a screen configuration defined by the screen definition file 101 is described. I have.

Hereinafter, the operation of the screen display device 1 will be described. In the present embodiment, an example of displaying a status monitoring screen of a production management system will be described as an example of a screen display. At least one template, which is a basic pattern of the display screen, is prepared in the screen display device 1 by, for example, a designer of the device, and information of the template is described in the template file 105 in advance.

[0011] A plurality of components (hereinafter, referred to as controls) constituting a screen are arranged in the template.
The control is for displaying data to the user and for the user to perform input and screen operation. The display / non-display, display position and size of each control, and a title (hereinafter, referred to as a caption) to be displayed on the control can be arbitrarily defined by the screen definition file 101.

FIG. 2 shows an example of a template. As the control, for example, a next screen display button a for calling another screen linked to the screen being displayed,
Screen close button b for closing the screen being displayed, header c, header label d, header text e, grid data previous page button f for displaying the previous data of the data being displayed, data after the data being displayed , A grid data posterior button g for displaying the data, a detailed text i, a detailed label j, a detailed text k, and the like. Table 1 shows the name (control name) of each control used in the screen definition file 101.
Here is an example.

[0013]

[Table 1]

A user of the screen display device 1 operates the input means 14 to create a screen definition file 101 in order to create a display screen using a template as shown in FIG. FIG. 3 shows an example of the screen definition file 101. The control definition information described in the screen definition file 101 includes the control name, an index for identifying the same type of control, and a plurality of attributes (display / non-display, display position, size, caption, etc.) of the control. (Hereinafter referred to as a property), and a property name for selecting a desired property from among the properties, and a value to be set as the property or a set value that is a character string. As the index, serial numbers starting from 0 are sequentially assigned to the same type of control. Table 2 shows an example of the property name.

[0015]

[Table 2]

When the property name is Visible, if the set value is 1, the control specified by the corresponding control name is displayed, and if the set value is 0, the control is not displayed. Also, if the property name is Cap
In the case of “tion”, a caption displayed on a corresponding control is set as a setting value. If the property name is Top or Left, the display position (coordinates) of the corresponding control is set as a set value. If the property name is Height or Width,
The size of the corresponding control is set as the set value.

For example, in the example of FIG. 3, the screen close button b
It describes that a control of (control name Command_Close) is displayed, and a caption of “close” is displayed on this control. If the upper left corner of the screen is 0 in the vertical direction and 0 in the horizontal direction, the grid data previous page button f (Comm
and_GridPrevious) is described to be displayed at a position of 120 in the vertical direction and 10 in the horizontal direction.

The screen definition file 101 defines properties such as display / non-display, display position, and size of the grid h, and data to be displayed on the grid h is defined by a grid definition file 103 described later. The user creates the above-described screen definition file 101 for each screen.

Next, when the user creates a plurality of screens, the user enters the input means 14 in order to define the relationship between the screens.
To create the screen transition definition file 102. FIG. 4 shows an example of the screen transition definition file 102. The screen transition destination definition information described in the screen transition definition file 102 includes a screen name indicating the name of the screen being displayed, an index assigned to each control in the screen being displayed, and control of the index. , The next screen name indicating the name of the next screen to be called at the time, the template type indicating the template on which the next screen is based, the screen definition file name indicating the name of the screen definition file 101 of the next screen, and the It consists of a grid definition file name indicating the name of the grid definition file 103 and the number of display lines of the grid h on the next screen.

For example, in the example of FIG. 4, when the user clicks the control of index 0 with the mouse while the screen of the main menu is displayed, the next screen of the inventory list is displayed, and the next screen is a template called Multi. (FIG. 2), and the screen definition file name of the next screen is FormZaikoStyle. csv, grid definition file name of next screen is inventory list. csv, the number of display lines of the grid of the next screen is 18.

Similarly, if the user clicks the control of index 1 while displaying the main menu screen, the next screen of master maintenance is displayed, and it can be seen that this next screen is based on the Menu template. . Menu is a template in which controls (buttons) for selection are arranged.

Next, the user enters the grid definition file 1
03 is created for each screen. FIG. 5 shows an example of the grid definition file 103. The grid definition information described in the grid definition file 103 includes a field name which is the name of a data field for displaying data, a display name which is a caption displayed at the head (top line) of the data field, and a next screen is opened. Key number to determine the items required for this, the data display format, the data field display width, the data display position in the data field, the data type indicating the data acquisition method, and the update screen. It consists of a combo display column number indicating the number of columns of a combo box to be referenced and displayed, a list text indicating a character string to be displayed by replacing field values, and reference information indicating a storage location of data to be displayed. In addition,
Combo box is one of the parts prepared by Microsoft Visual Basic (VisualBasic).
This is for selecting one data from a plurality of options. The number of combo display columns is the number of data displayed in the combo box.

As for the display format, in case of a numerical value, #,
## 0 (# is an arbitrary numerical value), and in the case of a date, YY-MM-DD (YY is year, MM is month, DD
Is day). As for the display position, the display position of the data in the data field is designated as left justified, centered or right justified.

The grid definition file 103 also defines a data input method when inputting data from a screen. If the data type is Text, any character string can be entered. Data type is Relati
In the case of "on", a selectable data group is obtained from the storage area described in the reference information of the same record, and the list is displayed as an option. If the data type is List, a character string described in the list text of the same record is displayed as a list as an option.

For example, in the example of FIG. 5, the data read from the item code field has a display width of 1455.
It can be seen that the caption is displayed in the column of “item”. In the column with a display width of 4230 and a caption of “item name”, data read from the same item code field and left-justified is compared with the data of the item code field in the item master table. It can be seen that when it matches, the data is obtained from the field of the item name and displayed. In this example, the table storing the data is not defined as fixed, but by providing a column for describing the table name in the grid definition file, data existing in any table can be obtained. Can be.
How to use the key numbers will be described later.

Next, the user enters the system definition file 1
04 is created. FIG. 6 shows an example of the system definition file 104. As shown in FIG. 6, the system definition file 104 includes a path name {FormLayout} where the screen definition file 101 is stored and a path name {GridLayo} where the grid definition file 103 is stored.
ut $ and a screen definition file name of the initial screen called the main menu. csv and the file name of the screen transition definition file 102
rm. mdb is described.

With the above, the creation of the screen definition file 101, the screen transition definition file 102, the grid definition file 103 and the system definition file 104 is completed, and these files are stored in the configuration information storage unit 11 via the screen display processing unit 13. Is stored in In this embodiment, each file is created in the order of the screen definition file 101, the screen transition definition file 102, the grid definition file 103, and the system definition file 104. However, the present invention is not limited to this. You may create a file.

Next, a screen display based on each of the files 101 to 105 stored in the configuration information storage means 11 will be described with reference to FIGS. FIG.
Is a block diagram showing a configuration of a production management system including the screen display device 1, and FIG. 8 is a flowchart showing an operation of the screen display device 1.

In the production management system, a screen display device 1, a data storage device 2, a production plan creation device 3, and a control device 4 are interconnected by a network 5. The production plan data created by the production plan creation device 3 is:
The data is stored in a production plan table (not shown) of the data storage device 2. The control device 4 controls the equipment at the production site based on the production plan data, and collects data of the equipment. The data collected by the control device 4 is a production result table (not shown) of the data storage device 2 as production result data.
Is stored in Further, the data storage device 2 stores an item master table or the like in which the item codes and the item names of the production items are recorded.

Screen display processing means 13 of screen display device 1
When displaying the status monitoring screen of the production management system,
The system definition file 104 is read from the configuration information storage unit 11, the screen definition file 101 and the grid definition file 103 are read based on the path name described in the system definition file 104, and the system definition file 104 is described in the system definition file 104. Screen transition definition file 102 based on the screen transition definition file name
Is read (step 201 in FIG. 8).

Then, the screen display processing means 13 acquires a screen definition file of the initial screen based on the screen definition file name of the initial screen described in the system definition file 104, and controls the screen described in the screen definition file. An initial screen is displayed on the display means 12 according to the definition information (step 202).

Next, a user who monitors the production management system or the like looks at the initial screen displayed on the display means 12 and selects a desired next screen. As shown in FIG. 9, the initial screen based on the Menu template is a screen on which controls (buttons) for selection are arranged.
Each control is indexed.

If the user clicks the control of index 0 with the mouse (YES in step 203), the screen display processing means 13 displays the next display to be displayed when the control of index 0 of the main menu is operated. As a screen, a screen definition file name of a screen called an inventory list is acquired from the screen transition definition file 102, and the configuration of the next screen is determined based on the control definition information described in the screen definition file 101 of the acquired name. The next screen is displayed on the screen 12 (step 204).

Further, the screen display processing means 13 acquires a grid definition file name corresponding to data to be displayed on the grid h of the next screen from the screen transition definition file 102, and describes it in the grid definition file 103 having the acquired name. Data to be displayed on the grid h is determined and displayed based on the grid definition information thus obtained (step 205). At this time, the screen display processing means 13 determines that the data type described in the grid definition file 103 is Relation
In the case of, the data group is acquired from the table of the data storage device 2 described in the reference information of the grid definition file 103, and is displayed as a list as an option. Thus, a screen called a stock list is displayed on the display means 12 (FIG. 1).
0).

Next, when the user clicks the next screen display button a on the stock list screen with the mouse (step 20).
3), the screen display processing means 13 acquires from the screen transition definition file 102 the screen definition file name of the screen called inventory list as the next screen to be displayed when the control of the index 0 of the inventory list is operated. Then, the next screen is displayed on the display unit 12 based on the control definition information described in the screen definition file 101 having the acquired name (step 204).

Further, the screen display processing means 13 obtains a grid definition file name from the screen transition definition file 102 and displays it on the grid h based on the grid definition information described in the grid definition file 103 having the obtained name. The data is determined and displayed (step 205). In this way, a screen called a list of inventory details is displayed on the display means 12 (FIG. 11). The screen display as described above is performed until the user instructs the end of the screen display (for example, the operation of the screen close button b).

Here, the key numbers will be described. If a specific row is selected in advance on the inventory list screen, it is possible to display information related to this row on the next inventory list screen. The key number defines an extraction condition on which item the data should be extracted and the next screen should be displayed in one line selected on the displayed screen.

In the example of FIG. 5, the item code is the key number of # 1 and the lot number. Is set to the key number of # 2.
Therefore, when the first line is selected on the displayed inventory list screen and the next screen display button a is clicked, the screen display processing means 13 determines the data to be displayed on the grid h of the next screen in step 205. When the item code is displayed on the first line of the inventory list screen, the condition "XX
○○○ ”and the lot No. Extracts data from the database under the condition “☆☆☆☆☆” displayed in the first line.

Normally, the user wants to expand the details of the information selected in the list and to view it, so that an item (primary key) that uniquely determines a record in the database may be set as a key number. If a plurality of items are not selected, the record to be extracted is not uniquely determined, so that a plurality of key numbers can be set. In the above embodiment, the production management system is described as an example. However, the present invention is not limited to this, and the present invention may be applied to other systems such as a plant monitoring control system.

[0040]

According to the present invention, a configuration information storage means for storing definition information necessary for creating an electronic screen, an electronic screen is created based on the definition information, and the created electronic screen is displayed on a display means. The screen is displayed based on the definition information stored in the configuration information storage means by providing the screen display processing means for causing the setting information to be set or corrected when the screen is created or modified. All you have to do is do it, no programming is required. Therefore, the load on the person in charge when creating or modifying the screen can be reduced. Further, since it is only necessary to set or modify the definition information, an advanced development environment for programming is not required.

By storing the screen definition file in the configuration information storage means, the configuration of the electronic screen can be defined without programming, and the screen transition definition file can be stored in the configuration information storage means. Thus, the screen transition can be defined without programming, and by storing the grid definition file in the configuration information storage means, data can be displayed on the electronic screen without programming. Therefore, it is possible to reduce the load on the person in charge when creating a screen having excellent operability and visibility, and it is possible to easily cope with a screen changing operation for improving operability and visibility.

Even if the contents of the screen are changed after the production management system or the plant monitoring and control system is delivered to the customer, it is only necessary to correct the definition information stored in the configuration information storage means. Since there is no need for programming, it is possible to easily respond to screen changes even if the person in charge of the delivery source or the person in charge of the delivery destination has no knowledge of programming.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a screen display device according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a template according to the embodiment of the present invention.

FIG. 3 is a diagram illustrating an example of a screen definition file according to the embodiment of the present invention.

FIG. 4 is a diagram showing an example of a screen transition definition file according to the embodiment of the present invention.

FIG. 5 is a diagram showing an example of a grid definition file according to the embodiment of the present invention.

FIG. 6 is a diagram showing an example of a system definition file according to the embodiment of the present invention.

FIG. 7 is a block diagram illustrating a configuration of a production management system.

FIG. 8 is a flowchart illustrating the operation of the screen display device of FIG. 1;

FIG. 9 is a diagram showing an initial screen.

FIG. 10 is a diagram showing a stock list screen.

FIG. 11 is a diagram showing a stock list screen.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Screen display device, 2 ... Data storage device, 11 ... Configuration information storage means, 12 ... Display means, 13
... Screen display processing means, 14 ... Input means, 101 ... Screen definition file, 102 ... Screen transition definition file, 103 ...
Grid definition file, 104: system definition file, 105: template file.

Claims (3)

[Claims] 1. A screen display device for creating and displaying an electronic screen, a display means for displaying an electronic screen, a configuration information storage means for storing definition information necessary for creating the electronic screen, and the definition information Screen display processing means for creating the electronic screen based on the electronic screen and displaying the created electronic screen on the display means. 2. The screen display device according to claim 1, wherein the configuration information storage unit is called from a screen definition file in which control definition information defining a configuration of the electronic screen is described, and a displayed electronic screen. A screen transition definition file in which screen transition destination definition information specifying another electronic screen capable of being described is stored, and a grid definition file in which grid definition information for displaying data on the electronic screen is described. A screen display device comprising: 3. The screen display device according to claim 1, wherein the screen display processing means acquires data collected from a production management system or a plant monitoring control system based on the definition information, and displays the data on the electronic screen. A screen display device for displaying.