JP2012014626A - Screen information output device, screen information output method and screen description information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent lack of information occurring when ignoring information in which a display form of a website is described.SOLUTION: An image forming device 1 includes: a screen information storage unit 162 for storing information of a website including an HTML and a CSS; and an input/output request processing unit 161 for reading out and outputting the stored website information in response to a request. The HTML includes information whose content should be displayed in a specific area on a screen and to which a predetermined identifier is attached, and information for designating a description included in the CSS as a display format of the specific area. The CSS includes information for receiving designation by the HTML, information for designating display in the specific area, and a command for hiding information to which the predetermined identifier is attached in the HTML.

Description

  The present invention relates to a screen information output device, a screen information output method, and screen description information, and more particularly to control of screen display when information describing a screen display format is included in addition to information describing screen contents.

  In displaying websites, visual effects are generally improved by using images such as icons or by color-coding display columns. On the other hand, in order to improve legibility when a visually impaired person or a color blind person browses a website, the information processing apparatus is provided with a display mode called a high contrast mode in which the above-described visual effect is invalidated. ing.

  In this high contrast mode, the website is displayed ignoring a part of the information describing the display mode of the website, for example, the background is “black” and the character color is “white”. As a result, the contrast between the background color and the character color becomes clear, and even a low vision person or a color blind person can read the website.

  On the other hand, in order to improve the legibility of a web page, a CSS (Cascading Style Sheets) class is specified in a part of the web page, and further, a JavaScript (registered trademark) is embedded in an HTML (Hyper Text Markup Language) file. Accordingly, it has been proposed to display an enlarged display by switching the display character size and line spacing at a location designated by the user to an appropriate layout (see, for example, Patent Document 1).

  In the high contrast mode that is generally used, as described above, the contrast between the background color and the character color is clarified by invalidating the style sheet that is the information describing the display mode of the website. It was. However, if an image to be displayed on the website is specified on the style sheet, the specification of the image becomes invalid, and as a result, a website with missing information may be displayed. obtain.

The technique disclosed in Patent Document 1 is premised on using CSS class and JavaScript (registered trademark). Therefore, as described above, it is not possible to solve the lack of information when the image to be displayed is specified on the style sheet.
There is a need to.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to prevent a lack of information that occurs when information describing the display mode of a website is ignored.

  In order to solve the above-described problem, one aspect of the present invention is a screen that includes screen content information that mainly describes information about content to be displayed on a screen and display format information that mainly describes information about the display format of the screen. A screen information output device comprising: a screen information storage unit storing description information; and a screen information output unit that reads and outputs the stored screen description information in response to a request, wherein the screen content information Is information of contents to be displayed in a specific area on the screen, with a predetermined identifier, and information specifying a description included in the display format information as a display format of the specific area. The display format information includes information for receiving designation by the screen content information, information for designating display in the specific area, and information with the predetermined identifier hidden. When the screen is displayed based on the screen description information, if the display format information is valid in the specific area, the display according to the designation in the display format information is displayed. Information with a predetermined identifier in the screen content information is hidden, and if the display format information is invalid, the designation in the display format information is ignored and the screen content information has a predetermined identifier. The displayed information is displayed.

  Here, it further includes a display format information management information acquisition unit that acquires display format information management information indicating whether the display format information is valid or invalid, and the screen information output unit includes the acquired display format When the display format information indicates that the display format information is invalid in the information management information, the screen description information read in response to the request is ignored in the screen content information while the designation in the display format information is ignored. It is preferable to perform conversion so that information with a predetermined identifier is displayed.

  Further, a user authentication processing unit for authenticating a user, and a user information storage unit storing display format information management information indicating whether the display format information is valid or invalid for each user, Preferably, the display format information management information acquisition unit acquires the authenticated user's display format information management information when the authenticated user requests the screen description information.

  The screen information storage unit stores screen description information for a plurality of screens, and the user information storage unit determines whether the display format information is valid or invalid for each of the plurality of screens. The display format information management information shown is preferably stored.

  The screen content information preferably includes information for displaying an operation unit for switching between valid and invalid of the display format information on the screen.

  Further, the screen content information includes an instruction for storing information indicating whether the display format information is valid or invalid when the display format information on the screen is switched between valid and invalid, Information indicating whether the display format information is valid or invalid in a storage area that can be referred to in the device on which the screen is displayed when the display format information on the screen is switched between valid and invalid Is preferably stored.

  Further, the screen content information is information stored in a storage area that can be referred to in the device on which the screen is displayed when the screen is displayed according to the screen description information, and the display format information is valid. It is preferable to include an instruction for referring to information indicating whether the display format information is invalid, and an instruction for displaying the screen by switching between valid and invalid of the display format information according to the referenced information.

  On the other hand, according to another aspect of the present invention, there is provided a screen display method, in which the screen information output device is information on contents to be displayed in a specific area on the screen, the information with a predetermined identifier, and the specific Screen content information including information specifying the description included in the display format information as the display format of the area, information for receiving the specification by the screen content information, information specifying the display in the specific area, and the predetermined Screen description information including display format information including an instruction to hide the information with the identifier is output upon request and the screen display device displays the screen based on the screen description information. When the display format information is valid in the specific area, display is performed according to the designation in the display format information and a predetermined identifier is attached to the screen content information. The information was hidden, if the display format information is invalid, the ignoring specified in the display format information, and displaying the information predetermined identifier is attached in the screen content information.

  Still another aspect of the present invention is screen description information mainly including screen content information in which information on contents to be displayed on the screen is described and display format information in which information on the display format of the screen is mainly described. The screen content information is information about the content to be displayed in a specific area on the screen and has a predetermined identifier, and a description included in the display format information as the display format of the specific area. The display format information includes information for receiving designation by the screen content information, information for designating display in the specific area, and information to which the predetermined identifier is attached. When the screen is displayed based on the screen description information, if the display format information is valid in the specific area, the display format information is designated. Information displayed with a predetermined identifier in the screen content information is not displayed, and if the display format information is invalid, the designation in the display format information is ignored and the screen content is displayed. Information with a predetermined identifier is displayed in the information.

  According to the present invention, it is possible to prevent a lack of information that occurs when information describing a display mode of a website is ignored.

It is a figure which shows the operation | use form of the system which concerns on embodiment of this invention. FIG. 2 is a block diagram schematically illustrating hardware configurations of an image forming apparatus and a client terminal according to an embodiment of the present invention. 1 is a block diagram illustrating a functional configuration of an image forming apparatus according to an embodiment of the present invention. It is a block diagram which shows the function structure of the WEB control part which concerns on embodiment of this invention. It is a block diagram which shows the function structure of the client terminal which concerns on embodiment of this invention. It is a figure which shows the example of the screen displayed according to the screen description information which concerns on embodiment of this invention. It is a figure which shows the example of the screen description information which concerns on embodiment of this invention. It is a sequence diagram which shows operation | movement of the system which concerns on embodiment of this invention. It is a block diagram which shows the function structure of the WEB control part which concerns on other embodiment of this invention. It is a figure which shows the example of the information memorize | stored in the user information storage part which concerns on other embodiment of this invention. It is a sequence diagram which shows operation | movement of the system which concerns on other embodiment of this invention. It is a figure which shows the example of the information memorize | stored in Cookie of the browser application which concerns on other embodiment of this invention. It is a sequence diagram which shows operation | movement of the system which concerns on other embodiment of this invention.

Embodiment 1 FIG.
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the present embodiment, a system that displays a management screen of an MFP (Multi Function Peripheral) that operates by being connected to a network using HTTP (Hyper Text Transfer Protocol) via the network will be described as an example.

  FIG. 1 is a diagram illustrating an example of an operation mode of a system according to the present embodiment. As shown in FIG. 1, in the system according to the present embodiment, image forming apparatuses 1a, 1b, and 1c and client terminals 2a and 2b as image processing apparatuses are connected via a network.

  The image forming apparatuses 1a, 1b, and 1c (hereinafter collectively referred to as the image forming apparatus 1) include an imaging function, an image forming function, a communication function, and the like, so that they can be used as printers, facsimiles, scanners, and copiers. It is. Client terminals 2a and 2b (hereinafter collectively referred to as image forming apparatus 2) are information processing terminals operated by a user, and are realized by an information processing apparatus such as a PC (Personal Computer). The client terminal 2 according to the present embodiment acquires information for displaying the management screen of the image forming apparatus 1 from the image forming apparatus 1 via the network and displays the information on the display unit.

  Next, the hardware configuration of the image forming apparatus 1 and the client terminal 2 according to the present embodiment will be described. FIG. 2 is a block diagram illustrating a hardware configuration of the image forming apparatus 1 and the client terminal 2 according to the present embodiment. The image forming apparatus 1 includes an engine for realizing a scanner, a printer, and the like in addition to the hardware configuration shown in FIG. In the following description, the hardware configuration of the image forming apparatus 1 will be described as an example, but the same applies to the client terminal 2.

  As shown in FIG. 2, the image forming apparatus 1 according to the present embodiment includes a configuration similar to that of a general server or PC. That is, the image forming apparatus 1 according to the present embodiment includes a CPU (Central Processing Unit) 10, a RAM (Random Access Memory) 20, a ROM (Read Only Memory) 30, an HDD (Hard Disk Drive) 40, and an I / F 50. 80 is connected. Further, an LCD (Liquid Crystal Display) 60 and an operation unit 70 are connected to the I / F 50.

  The CPU 10 is a calculation unit and controls the operation of the entire image forming apparatus 1. The RAM 20 is a volatile storage medium capable of reading and writing information at high speed, and is used as a work area when the CPU 10 processes information. The ROM 30 is a read-only nonvolatile storage medium and stores a program such as firmware. The HDD 40 is a non-volatile storage medium that can read and write information, and stores an OS (Operating System), various control programs, application programs, and the like.

  The I / F 50 connects and controls the bus 80 and various hardware and networks. The LCD 60 is a visual user interface for the user to check the state of the image forming apparatus 1. The operation unit 70 is a user interface for the user to input information to the image forming apparatus 1 such as a keyboard, a mouse, and a touch panel.

In such a hardware configuration, a program stored in a storage medium such as the ROM 30, the HDD 40, or an optical disk (not shown) is read into the RAM 20, and the CPU 10
However, the software control unit is configured by operating according to the program. A functional block for realizing the functions of the image forming apparatus 1 and the client terminal 2 according to the present embodiment is configured by a combination of the software control unit configured in this way and hardware.

  Next, the functional configuration of the image forming apparatus 1 according to the present embodiment will be described with reference to FIG. FIG. 3 is a block diagram illustrating a functional configuration of the image forming apparatus 1 according to the present embodiment. As shown in FIG. 3, the image forming apparatus 1 according to the present embodiment includes a controller 100, an ADF (Auto Document Feeder) 101, a scanner unit 102, a paper discharge tray 103, a display panel 104, and a paper feed table. 105, a print engine 106, a paper discharge tray 107, and a network I / F 108.

  The controller 100 includes a main control unit 110, an engine control unit 120, an image processing unit 130, an operation display control unit 140, an input / output control unit 150, and a WEB control unit 160. As shown in FIG. 3, the image forming apparatus 1 according to the present embodiment is configured as a multifunction machine having a scanner unit 102 and a print engine 106. In FIG. 3, the electrical connection is indicated by a solid arrow, and the flow of a sheet or a document bundle is indicated by a broken arrow.

  The display panel 104 is an output interface that visually displays the state of the image forming apparatus 1, and as a touch panel, when the user directly operates the image forming apparatus 1 or inputs information to the image forming apparatus 1. It is also an input interface (operation unit). The display panel 104 is realized by the LCD 60 and the operation unit 70 shown in FIG.

  The network I / F 108 is an interface for the image forming apparatus 1 to communicate with other devices such as the client terminal 2 via the network, and an Ethernet (registered trademark) or a USB (Universal Serial Bus) interface is used. The network I / F 108 is realized by the I / F 50 shown in FIG. Further, the network I / F 108 includes a function as a FAX modem, and also functions as an interface for the image forming apparatus 1 to perform FAX transmission / reception via the network.

  The controller 100 is configured by a combination of software and hardware. Specifically, a program stored in a ROM 30, a nonvolatile memory, and a nonvolatile storage medium such as the HDD 40 or an optical disk is loaded into a volatile memory (hereinafter referred to as a memory) such as the RAM 20, and the CPU 10 operates according to the program. The controller 100 is configured by a software control unit configured as described above and hardware such as an integrated circuit. The controller 100 functions as a control unit that controls the entire image forming apparatus 1.

  The main control unit 110 plays a role of controlling each unit included in the controller 100, and gives a command to each unit of the controller 100. The engine control unit 120 serves as a driving unit that controls or drives the print engine 106, the scanner unit 102, and the like. The image processing unit 130 generates drawing information based on image information to be printed out under the control of the main control unit 110. The drawing information is information for drawing an image to be formed in the image forming operation by the print engine 106 as an image forming unit. The image processing unit 130 processes image data input from the scanner unit 102 to generate image data. This image data is information stored in the storage area of the image forming apparatus 1 as a result of the scanner operation or transmitted to the client terminal 2 via the network I / F 108.

  The operation display control unit 140 displays information on the display panel 104 or notifies the main control unit 110 of information input via the display panel 104. The input / output control unit 150 inputs information input via the network I / F 108 to the main control unit 110. The main control unit 110 also controls the input / output control unit 150 to access other devices such as the client terminal 2 via the network I / F 108 and the network.

  The WEB control unit 160 performs processing when a management screen is requested from the client terminal 2 via the network. The WEB control unit 160 performs an authentication process when the user logs in to the image forming apparatus 1 by operating the operation unit of the client terminal 2 or the display panel 104.

  Here, details of functions of the WEB control unit 160 will be described with reference to FIG. As shown in FIG. 4, the WEB control unit 160 according to the present embodiment includes an input / output request processing unit 161, a screen information storage unit 162, a user authentication processing unit 163, and a user information storage unit 164. The input / output request processing unit 161 is an interface with the main control unit 110 in the WEB control unit 160 and receives a control from the main control unit 110 and returns a response.

  The screen information storage unit 162 stores information for displaying a management screen of the image forming apparatus 1, information for displaying a login screen when the user logs in to the image forming apparatus 1, and the like. In response to the user authentication request from the input / output request processing unit 161, the user authentication processing unit 163 performs authentication processing based on the user information stored in the user information storage unit 164, and returns a result response. With the function of the WEB control unit 160, the image forming apparatus 1 functions as a screen information output device.

  When the image forming apparatus 1 operates as a printer, first, the input / output control unit 150 receives a print job via the network I / F 108. The input / output control unit 150 transfers the received print job to the main control unit 110. When receiving a print job, the main control unit 110 controls the image processing unit 130 to generate drawing information based on document information or image information included in the print job.

  When drawing information is generated by the image processing unit 130, the engine control unit 120 controls the print engine 106 to form an image on the paper conveyed from the paper feed table 105 based on the generated drawing information. Let it run. As a specific aspect of the print engine 106, an image forming mechanism using an ink jet method, an image forming mechanism using an electrophotographic method, or the like can be used. A document on which image formation has been performed by the print engine 106 is discharged to a discharge tray 107.

  In the case where the image forming apparatus 1 operates as a scanner, the operation display control unit 140 or according to the operation of the display panel 104 by the user or the scan execution instruction input from the external client terminal 2 or the like via the network I / F 108 The input / output control unit 150 transfers a scan execution signal to the main control unit 110. The main control unit 110 controls the engine control unit 120 based on the received scan execution signal.

  The engine control unit 120 drives the ADF 101 and conveys the document to be imaged set on the ADF 101 to the scanner unit 102. In addition, the engine control unit 120 drives the scanner unit 102 and images a document conveyed from the ADF 101. If no original is set on the ADF 101 and the original is set directly on the scanner unit 102, the scanner unit 102 images the set original according to the control of the engine control unit 120. That is, the scanner unit 102 operates as an imaging unit.

  In the imaging operation, an imaging element such as a CCD included in the scanner unit 102 optically scans the document, and imaging information generated based on the optical information is generated. The engine control unit 120 transfers the imaging information generated by the scanner unit 102 to the image processing unit 130. The image processing unit 130 generates image information based on the imaging information received from the engine control unit 120 according to the control of the main control unit 110. Image information generated by the image processing unit 130 is stored in a storage medium attached to the image forming apparatus 1 such as the HDD 40. That is, the scanner unit 102, the engine control unit 120, and the image processing unit 130 work together to function as an image input unit.

  The image information generated by the image processing unit 130 is stored in the HDD 40 or the like as it is according to a user instruction, or is transmitted to an external device such as the client terminal 2 via the input / output control unit 150 and the network I / F 108. .

  Further, when the image forming apparatus 1 operates as a copying machine, the image processing unit 130 generates drawing information based on imaging information received by the engine control unit 120 from the scanner unit 102 or image information generated by the image processing unit 130. To do. Based on the drawing information, the engine control unit 120 drives the print engine 106 as in the case of the printer operation. When the information format of the drawing information and the imaging information is the same, the imaging information can be used as the drawing information as it is.

  When the image forming apparatus 1 operates as a facsimile, first, image information is generated by the image processing unit 130 as in the case of the scanner operation. Then, the main control unit 110 controls the input / output control unit 150 to execute FAX transmission. At the time of FAX transmission, the input / output control unit 150 transmits an image to a designated transmission destination by driving the function of the FAX modem in the network I / F 108 under the control of the main control unit 110.

  Next, the functional configuration of the client terminal 2 according to the present embodiment will be described with reference to FIG. FIG. 5 is a block diagram showing a functional configuration of the client terminal 2 according to the present embodiment. As shown in FIG. 5, the client terminal 2 according to the present embodiment includes a controller 200 and a network I / F 201 in addition to the LCD 60 and the operation unit 70 described in FIG. 2. The controller 200 includes a browser application 210, an input / output control unit 220, and a display control unit 230.

  Similar to the image forming apparatus 1, the network I / F 201 is an interface for the client terminal 2 to communicate with other devices such as the image forming apparatus 1 via the network, and is an Ethernet (registered trademark) or USB (Universal Serial). Bus) interface is used.

  Similar to the image forming apparatus 1, the controller 200 is configured by a combination of software and hardware. The browser application 210 is realized by a software program installed in the client terminal 2 being loaded into the RAM 20 and the CPU 10 operating in accordance with the program. The HTML (Hyper Text Markup Language) acquired via the network is used. ) Display website based on information etc. The browser application 210 operates according to a user instruction input via the operation unit 70.

  The input / output control unit 220 inputs information input via the network I / F 201 to the browser application 210. In addition, the browser application 210 controls the input / output control unit 220 and accesses other devices such as the image forming apparatus 1 via the network I / F 201 and the network. The display control unit 230 displays a GUI (Graphical User Interface) of the browser application 210 on the LCD 60 based on the state of the screen output by the browser application 210.

  In such a system including the image forming apparatus 1 and the client terminal 2, the gist of the present embodiment is that the information of the information is displayed regardless of the settings of the controller 200 and the browser application 210 when the website is displayed on the client terminal 2. It is to prevent omission. Here, the setting of the controller 200 and the browser application 210 according to the present embodiment is a setting of whether to ignore the style sheet when displaying a website.

  In the expression of a website using HTML, an image to be displayed in a style sheet may be specified. In this case, if the website is displayed ignoring the style sheet, the image to be displayed specified in the style sheet is not displayed, and the website lacking information is displayed. It is the gist of the present embodiment to prevent such information loss. In the present embodiment, the management screen of the image forming apparatus 1 is described as an example of a website to be displayed. However, the present invention is also applicable to websites published on the Internet.

  FIG. 6A is a diagram illustrating an example of a management screen of the image forming apparatus 1 according to the present embodiment, which is displayed when the style sheet is valid. As shown in FIG. 6A, main menus such as “Home”, “Customize”, “Job / Report / Log”, “Setting / Management” are arranged on the tab, and the selected tab is selected. The submenu included in is displayed. Further, various setting items and the like are displayed using icons and laid out.

  FIG. 6B is a diagram illustrating an example of a management screen of the image forming apparatus 1 according to the present embodiment, which is displayed when the style sheet is invalid. As shown in FIG. 6 (b), the layout of the tab format or the like is canceled, the icons and the like displayed in FIG. 6 (a) are hidden, and all information is displayed in bulleted characters. Yes.

  Here, in FIG. 6A, a star mark indicating that the user is logged in with administrator authority is displayed next to the text information “admin”. In FIG. 6B, The characters “device manager, user manager, document manager, auditor” are displayed immediately above the characters “admin”. That is, the character information that has not been displayed on the screen of FIG. 6A (hereinafter referred to as the layout format screen) is displayed on the screen of FIG. 6B (hereinafter referred to as the text format screen). Yes. This is one of the gist according to the present embodiment.

  As described above, the star mark indicating the login state with the administrator authority designates the display location of the image and the storage location of the image to be displayed in the style sheet. Therefore, the star mark displayed in FIG. 6A is not displayed on the text format screen in which the style sheet is invalidated. On the other hand, in the text format screen of FIG. 6B, as an alternative to the star mark, the information indicating the authority is changed to character information as “device manager, user manager, document manager, auditor”. Is displayed. As a result, lack of information due to the absence of the star mark is avoided.

  Such a display is realized by information describing the display mode of the management screen of the image forming apparatus 1 according to the present embodiment (hereinafter referred to as management screen description information). 7A and 7B show some examples of management screen description information according to the present embodiment. FIG. 7A is a diagram showing an HTML text that is basic information of the management screen description information according to the present embodiment. FIG. 7B is a diagram showing the description content of a CSS (Cascade Style Sheet) that specifies the display format of the management screen displayed by the management screen description information according to the present embodiment. The CSS description may be described in the HTML shown in FIG. 7A or may be described as a separate file from the HTML.

  In the present embodiment, HTML is information in which information of contents to be displayed on the screen is mainly described. On the other hand, CSS is information in which information on the display format of the screen is mainly described. As shown in FIG. 7A, the style sheet “GN-0043-005n” is called as information on “device manager, user manager, document manager, auditor”. This is information for designating a description in CSS. In addition, the information of “device administrator, user administrator, document administrator, auditor” includes information classified by a tag “<span>”, and the information includes “device administrator, user management”. The text information “Administrator, Document Manager, Auditor” is described. This is information to which a predetermined identifier is attached as information on contents to be displayed in a specific area on the screen.

  On the other hand, as shown in FIG. 7B, in the style sheet “GN-0043-005n”, in addition to a character string for receiving designation from HTML, a URL (Uniform Resource) that stores image information. Locator) is described, and the size of the image to be displayed is specified. This image information is the image information of the star mark shown in FIG. This is information for designating display in a specific area of the screen. Further, in the same style sheet, it is specified not to display information divided by the “<span>” tag, such as “span {display: none;}”. This is a command to display the information with the predetermined identifier described above.

  With such management screen description information, when the style sheet is valid when the management screen of the image forming apparatus 1 is displayed in the browser application 210, a star mark is displayed as shown in FIG. In addition, character information such as “device manager, user manager, document manager, auditor” is not displayed. On the other hand, when the style sheet is invalid, as shown in FIG. 6B, character information such as “device manager, user manager, document manager, auditor” is displayed instead of displaying a star mark. Is done. The character size specified in CSS is ignored. As a result, it is possible to prevent a lack of information that occurs when information describing the display mode of the website is ignored.

  Next, the operation of the system according to the present embodiment will be described with reference to FIG. FIG. 8 is a sequence diagram showing the operation of the system according to the present embodiment. As illustrated in FIG. 8, first, the browser application 210 requests a management screen from the image forming apparatus 1 via the input / output control unit 220 and the network I / F 201 based on a user instruction via the operation unit 70 ( S801). In the image forming apparatus 1, the input / output request processing unit 161 of the WEB control unit 160 receives a screen request via the network I / F 108 and the input / output control unit 150, and the designated screen information is stored in the screen information storage unit 162. A request is made (S802).

  The screen information storage unit 162 outputs the screen description information of the designated screen based on the request from the input / output request processing unit 161 (S803). The input / output request processing unit 161 transmits the screen description information output from the screen information storage unit 162 to the client terminal 2 (S804). That is, the input / output request processing unit 161 functions as a screen information output unit. In the client terminal 2, the browser application 210 acquires screen description information via the network I / F 201 and the input / output control unit 220.

  When the browser application 210 acquires the screen description information, the browser application 210 interprets the description of the screen description information as described in FIGS. 6A and 6B and FIGS. 7A and 7B. At this time, the browser application 210 interprets the screen description information based on the style sheet validity / invalidity setting in the controller 200 or the browser application 210, and generates display information for displaying the management screen according to the interpretation (S805). ).

  When the browser application 210 generates the display information, the browser application 210 displays a management screen on the display control unit 230 based on the generated display information (S806), and ends the process. By such processing, the website display processing in the system according to the present embodiment is completed.

  In this embodiment, since the management screen of the image forming apparatus 1 is displayed on the client terminal 2 as an example, the browser application 210 installed on the client terminal 2 determines whether the style sheet is valid / invalid. The embodiment has been described. In addition, even when the management screen of the image forming apparatus 1 is displayed on the display panel 104 of the image forming apparatus 1, the same function as described above can be used. In this case, the controller 100 of the image forming apparatus 1 can be realized in the same manner as described above by providing a configuration having a function corresponding to the browser application 210.

Embodiment 2. FIG.
In the present embodiment, a mode in which the validity / invalidity determination of the style sheet described in the first embodiment is controlled in association with the login process by the user will be described. In addition, about the structure which attaches | subjects the same code | symbol as Embodiment 1, it shall show the same or an equivalent part, and abbreviate | omits detailed description.

  FIG. 9 is a block diagram illustrating a functional configuration of the WEB control unit 160 in the image forming apparatus 1 according to the present embodiment. As shown in FIG. 9, the WEB control unit 160 according to the present embodiment includes a description information processing unit 165 in addition to the configuration in the first embodiment. The description information processing unit 165 converts the screen description information read from the screen information storage unit 162 based on the style sheet validity / invalidity information for each user and each screen stored in the user information storage unit 164. That is, the description information processing unit 165 functions as a display format information management information acquisition unit and functions as a screen information output unit in conjunction with the input / output request processing unit 161.

  FIG. 10 is a diagram showing style sheet validity / invalidity information for each user and each screen stored in the user information storage unit 164. As shown in FIG. 10, the user information storage unit 164 according to the present embodiment is provided for each screen stored in the screen information storage unit 162 for each user registered as a user who can log in to the image forming apparatus 1. The setting information of the validity / invalidity of the style sheet is stored. As described above, in the present embodiment, the display format information management information indicating whether the style sheet that is the display format information is valid or invalid is stored in the user information storage unit 164.

  With such a configuration, the gist of the present embodiment is that when the user logs in to the image forming apparatus 1 by operating the client terminal 2 and requests to display the management screen of the image forming apparatus 1, image formation is performed. The description information processing unit 162 of the device 1 is to provide the screen description information to the client terminal 2 after converting the screen description information into a format according to the setting of each user. When the setting of the controller 200 or the browser application 210 of the client terminal 2 is changed to invalidate the style sheet, the style sheet is not limited to the management screen of the image forming apparatus 1, and all the websites displayed using the browser application 210 are style sheets. However, only an arbitrary screen can be converted into a text format by the aspect according to the present embodiment.

FIG. 11 is a sequence diagram showing the operation of the system according to the present embodiment. In FIG. 11, it is assumed that the user operating the client terminal 2 is logged in to the image forming apparatus 1. As shown in FIG. 11, when a screen request from the browser application 210 is input to the input / output request processing unit 161 (S1101), the input / output request processing unit 161 requests a screen from the description information processing unit 162. (S1102). Note that the screen request according to the present embodiment includes information on the user ID of the user who has logged in to the image forming apparatus 1 via the client terminal 2.

  When acquiring the screen request, the description information processing unit 162 acquires the screen description information of the requested screen from the screen information storage unit 162 (S1103) and confirms the user information of the user who requested the screen (S1104). Check the validity / invalidity of the style sheet for the requested screen. Then, the description information processing unit 162 converts and outputs the screen description information according to the result of confirming the validity / invalidity of the style sheet (S1105).

  In S1105, the description information processing unit 162 outputs the screen description information as it is when the result of checking the validity / invalidity of the style sheet is valid. On the other hand, if the result of checking the validity / invalidity of the style sheet is invalid, the description information processing unit 162 deletes the style sheet portion and the specified style sheet portion from the screen description information and outputs the result. In S1106 to S1108, the same processing as S804 to S806 in FIG. 8 is executed.

  If the style sheet is invalid as a result of the confirmation in S1104, the description of the style sheet is deleted in S1107 even if the style sheet is valid in the client terminal 2 in S1107. Therefore, the screen as shown in FIG. 6B is displayed as in the case where the style sheet is set to invalid. By such processing, the operation of the system according to the present embodiment is completed.

  As described above, according to the system according to the present embodiment, the style sheet validity / invalidity is switched for each screen of the website without changing the style sheet validity / invalidity setting in the client terminal 2. Can do.

  When the style sheet is invalidated by the high contrast mode in the OS or the like, the OS uniquely determines the style sheet to be invalidated and the style sheet to be validated. Therefore, it is difficult to determine which style sheet is invalid, and as a result, it is difficult to create a website so that an intended screen is displayed.

  On the other hand, in the system according to the present embodiment, when the style sheet is set to be invalidated, the screen description information is converted in S1105 so that all the style sheets included in the screen description information are invalidated. . Therefore, the site creator only needs to create a website with the screen when all style sheets are valid and the screen when all style sheets are invalid. It is easy to create a website.

  Further, in the above embodiment, the description has been given of the aspect in which the description of the style sheet is deleted in S1105, but this is an example. That is, in S1105, the description of the style sheet is not limited to being deleted. The screen description information may be converted so that a screen in which the style sheet is invalidated is displayed as a result of the processing in S1107.

Embodiment 3 FIG.
In the present embodiment, an aspect will be described in which the style sheet validity / invalidity determination described in the first embodiment is performed based on information stored in a cookie in the client device 2. In addition, about the structure which attaches | subjects the same code | symbol as Embodiment 1, it shall show the same or an equivalent part, and abbreviate | omits detailed description.

  In FIG. 6A, “text format” indicates that the user instructs the browser application 210 to display the text format screen on the layout format screen, that is, to invalidate the style sheet. Interface. That is, when the user operates a pointing device such as a mouse and clicks a portion indicated as “text format” in FIG. 6A, the browser application 210 performs the processing of S805 in FIG. Re-execute as invalid and display the text format screen.

  At this time, the browser application 210 according to the present embodiment stores information indicating the validity / invalidity of the style sheet for the screen being displayed in the cookie. The instruction to operate the browser application 210 to store information indicating whether the style sheet is valid / invalid is included in the screen description information of the displayed screen, and is displayed based on the screen description information. When the above-described operation is performed on the screen, the browser application 210 stores information indicating the validity / invalidity of the style sheet in the cookie. FIG. 12 shows an example of information stored in the cookie of the browser application 210 according to the present embodiment.

  As shown in FIG. 12, the browser application 210 according to the present embodiment stores style sheet validity / invalidity setting information for each screen acquired from the image forming apparatus 1 and once displayed in the cookie. With such a configuration, the gist according to the present embodiment is that the screen of the browser application 210 once displayed is automatically applied with the validity / invalidity of the style sheet set in the past when the screen is displayed again. It is to improve convenience.

  FIG. 13 is a sequence diagram showing the operation of the system according to the present embodiment. From S1301 to S1304, processing is executed in the same manner as S801 to S804 in FIG. When acquiring the screen description information, the browser application 210 refers to the cookie (S1305), and confirms the validity / invalidity of the style sheet for the screen to be displayed. Then, the browser application 210 interprets the screen description information in accordance with the style sheet setting confirmed in S1305, and generates display information for displaying the management screen in accordance with the interpretation (S1306). Thereafter, the browser application 210 causes the display control unit 230 to display a management screen based on the generated display information (S806), and ends the process. By such processing, the website display processing in the system according to the present embodiment is completed.

  When generating display information based on instructions for executing processing such as S1305 and S1306, that is, screen description information, the screen description information is interpreted according to the instruction for referring to the cookie and the style sheet valid / invalid setting in the cookie. The instruction for generating the display information is included in the screen description information. Accordingly, the browser application 210 executes the processing of S1305 and S1306 in accordance with these instructions included in the screen description information, as in the case of storing information in the cookie described above.

  In the present embodiment, as shown in FIG. 12, the case where the validity / invalidity of the style sheet can be set for each screen has been described as an example. However, the present invention is not limited to this. May be common. Thereby, when it is desired to make the settings for all the screens common, it is possible to save the trouble of setting the style sheet for each screen.

  Also in the present embodiment, in the case where the style sheet is set to be invalidated, display information is generated in S1306 by interpreting the screen description information so that all style sheets included in the screen description information are invalidated. . Therefore, the site creator only needs to create a website with the screen when all style sheets are valid and the screen when all style sheets are invalid. Creating a website can be made easier.

  In the present embodiment, the case where the browser application 210 generates screen display information according to the validity / invalidity of the style sheet in S1306 according to the information stored in the cookie by the browser application 210 has been described as an example. It is also possible to use the description information processing unit 165 in the second embodiment. That is, when the browser application 210 requests a screen from the image forming apparatus 1, the browser application 210 refers to the information on the cookie and notifies the information on the validity / invalidity of the style sheet for the requested screen. As a result, on the image forming apparatus 1 side, the description information processing unit 162 changes the screen description information based on the validity / invalidity information of the style sheet notified from the browser application 210 as in the process of S1105 in FIG. Can be converted.

1, 1a, 1b, 1c image forming apparatus,
2, 2a, 2b client terminal,
10 CPU,
20 RAM,
30 ROM,
40 HDD,
50 I / F,
60 LCD,
70 operation unit,
80 bus,
100 controller,
101 ADF,
102 scanner unit,
103 Output tray,
104 display panel,
105 paper feed table,
106 print engine,
107 Output tray,
108 Network I / F,
110 Main control unit,
120 engine control unit,
130 image processing unit,
140 operation display controller,
150 I / O control unit,
160 WEB control unit,
161 I / O request processing unit,
162 screen information storage unit,
163 user authentication processing unit,
164 user information storage unit,
165 description information processing unit,
200 controllers,
201 Network I / F,
210 Browser app,
220 I / O control unit,
230 Display control unit

JP 2004-21838 A

Claims (9)

A screen information storage unit that stores screen description information mainly including screen content information in which information on contents to be displayed on the screen is described and display format information in which information on the display format of the screen is mainly described;
A screen information output device including a screen information output unit that reads and outputs the stored screen description information in response to a request;
The screen content information is information of contents to be displayed in a specific area on the screen, and is assigned information with a predetermined identifier, and a description included in the display format information as a display format of the specific area Information to
The display format information includes information for receiving designation by the screen content information, information for designating display in the specific area, and an instruction to hide the information with the predetermined identifier,
When the screen is displayed based on the screen description information, if the display format information is valid in the specific area, the display is performed according to the designation in the display format information and the screen content information Information with a predetermined identifier is hidden, and if the display format information is invalid, the designation in the display format information is ignored and information with the predetermined identifier is displayed in the screen content information. A screen information output device. A display format information management information acquisition unit that acquires display format information management information indicating whether the display format information is valid or invalid;
When the acquired display format information management information indicates that the display format information is invalid, the screen information output unit displays the screen description information read in response to the request as the display format information. 2. The screen information output device according to claim 1, wherein the screen information output device converts the screen content information so that information with a predetermined identifier is displayed while the designation is ignored. A user authentication processing unit for authenticating the user;
A user information storage unit that stores display format information management information indicating whether the display format information is valid or invalid for each user;
The display format information management information acquisition unit acquires display format information management information of the authenticated user when the screen description information is requested by the authenticated user. The screen information output device described in 1. The screen information storage unit stores screen description information for a plurality of screens,
The screen according to claim 3, wherein the user information storage unit stores display format information management information indicating whether the display format information is valid or invalid for each of the plurality of screens. Information output device.   5. The screen information output apparatus according to claim 1, wherein the screen content information includes information for displaying an operation unit for switching between valid and invalid of the display format information on the screen. . The screen content information includes an instruction to store information indicating whether the display format information is valid or invalid when the display format information on the screen is switched between valid and invalid,
Information indicating whether the display format information is valid or invalid in a storage area that can be referred to in the device on which the screen is displayed when the display format information on the screen is switched between valid and invalid Is stored, the screen information output device according to claim 5.   The screen content information is information stored in a storage area that can be referred to in the device on which the screen is displayed when the screen is displayed according to the screen description information, and the display format information is valid or invalid. 7. An instruction for referring to information indicating whether the display format information is displayed, and an instruction for displaying a screen by switching between valid and invalid of the display format information according to the referenced information. Screen information output device. Information that the screen information output device should display in a specific area on the screen, information with a predetermined identifier, and information that specifies the description included in the display format information as the display format of the specific area A display including information for receiving designation by the screen content information, information for designating display in the specific area, and a command for hiding information with the predetermined identifier Read and output screen description information including format information on demand,
When the screen display device displays a screen based on the screen description information, if the display format information is valid in the specific area, the screen display device performs display according to the designation in the display format information and Information with a predetermined identifier in the screen content information is not displayed, and if the display format information is invalid, the specification in the display format information is ignored, and the predetermined identifier is added in the screen content information. A screen display method characterized by displaying information. Screen description information mainly including screen content information in which information on contents to be displayed on the screen is described and display format information in which information on the display format of the screen is mainly described;
The screen content information is information of contents to be displayed in a specific area on the screen, and is assigned information with a predetermined identifier, and a description included in the display format information as a display format of the specific area Information to
The display format information includes information for receiving designation by the screen content information, information for designating display in the specific area, and an instruction to hide the information with the predetermined identifier,
When the screen is displayed based on the screen description information, if the display format information is valid in the specific area, the display is performed according to the designation in the display format information and the screen content information Information with a predetermined identifier is hidden, and if the display format information is invalid, the designation in the display format information is ignored and information with the predetermined identifier is displayed in the screen content information. Screen description information, characterized by

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