JP3179454B1 - Simultaneous editing system - Google Patents

Abstract

Abstract: PROBLEM TO BE SOLVED: To provide a simultaneous editing system in which a plurality of terminal devices can simultaneously edit the same data on a network. SOLUTION: One terminal device 3 sends a book selection command to a system device 1. The data of the selected one page is displayed on the terminal device 3. When transmitting the edit command, the system device 1 updates the book data in the book data storage unit and returns the update command. If another terminal device is editing the same page, the same update command is returned, and the mirror book of the other terminal device is also updated. A virtual server is formed on the terminal device, and a simultaneous editing server is formed on the system device side to perform transmission and reception on a communication line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simultaneous editing system in which a plurality of terminal devices can simultaneously edit the same book data (single data file) on a network.

[0002]

2. Description of the Related Art When editing image data by remote control on a network, an image existing in the server can be changed by accessing the server and sending data to be updated. However, other terminals cannot access the file currently being edited.

[0003]

While one terminal device is editing, the server occupies the server, and the system is not efficient. In addition, it is essential that access from a large number of terminal devices increase as the degree of use of the data to be edited increases. In such a case, it is desired that all the terminal devices that desire access can be edited. An object of the present invention is to provide a simultaneous editing system in which a plurality of terminal devices can simultaneously edit the same data on a network.

[0004]

In order to achieve the above object, a simultaneous editing system according to the present invention comprises: a terminal device serving as one or more clients; a system device serving as a server;
A mirror book object storage unit configured to store a book object which is book data composed of a plurality of pages, comprising a communication system for transmitting and receiving data of the one or more terminal devices and the system device; Having a virtual server formed for simultaneous editing,
The virtual server communicates with the simultaneous editing server asynchronously.
Waits for the command returned from the simultaneous editing server
The system device has a server-side book object storage unit that stores a book object to be edited, and a simultaneous editing server, and edits the book object. ,
The terminal device is configured to operate the system by the virtual server.
Requests the device to send a list of book names,
The system device checks the server side book object storage.
Search and return a list of requested book names,
The device selects the book name to be edited,
From the server-side book object storage of the system device
Read the selected book data and send it,
The terminal device creates a mirror book of this book data
Store in the mirror book object storage of the terminal device.
And the type card is displayed on the book data page.
Indicates the command of the editing work in the type card
The virtual server transmits to the simultaneous editing server of the system device by the virtual server, the simultaneous editing server edits the object to be edited according to the update command, stores the editing result in the server-side book object storage unit, and returned to the virtual server is sent back
The result of the editing process is stored in the mirror book object storage unit, and when another terminal device is editing the same book object at the same time, the result is also sent to the virtual server of the other terminal device to store the mirror book object. It is configured to be stored in a unit. The type card is
It is composed of a still image card, a moving image card, a text card, an audio card, and the like . The communication system includes a dedicated line or a dial-up line.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic diagram showing an embodiment of a simultaneous editing system according to the present invention. Book data, which is a single data file, is composed of a plurality of pages, and is stored in the book data storage unit 2 on the server side. FIG. 2A shows a book selection screen. Editing is performed in page units, and the terminal devices 3a, 3
The data of the page being edited is displayed on the screens b and 3c. FIG. 2B shows an example of a page editing screen. Editing is performed by placing various cards on the page. The card is composed of a text card, a still image card, a sound card, a moving image card, a spreadsheet card, and the like for each data format. When the book data is edited by a plurality of clients (terminal devices) at the same time, the result of the editing work performed by the user is reflected in another terminal device editing the same page in real time. Conversely, the result of the editing work of the other terminal device editing the same page is reflected on its own page in real time.

FIG. 3 shows the server-side system device of FIG.
FIG. 3 is a diagram illustrating a configuration of one terminal device. System device 1
Is a simultaneous editing server 4, a card processing unit 11, a page processing unit 12, a book processing unit 13, a drawing card 14a, a text card 14b, a table and graph card 14c, a voice card 14d, a video card 14e, a map card 14f, and a button. It comprises a card 14g, an animation card 14h, a formula card 14i, and a spreadsheet 14j. The terminal device 3 includes a virtual server 5, a main user interface 6, a card processing unit 7, a page processing unit 8, a book processing unit 9, a drawing card 10a, a text card 10b, a table and graph card 10c, a voice card 10d, and a video card. 1
0e, map card 10f, button card 10g, animation card 10h, formula card 10i, spreadsheet 10
j. TCP / IP protocol is used as a communication means, and TCP / IP
If the terminal devices are capable of performing / IP protocol communication, simultaneous editing is possible. The line type is a dedicated line or a dial-up line.

FIG. 4 is a diagram showing an example of command transmission / reception when the server-side system device and two terminal devices simultaneously edit the same page. The terminal device 3a (client A) sends a book selection command and starts simultaneous editing (step (hereinafter referred to as "S") 1)). The system device 1 (server) reads the book data for simultaneous editing and transmits the page data to the terminal device 3a (S2).
Similarly, the terminal device 3b (client B) sends the same book selection command and starts simultaneous editing (S3).

Since the system device 1 has already read the same book data, the terminal device 3
Then, the page data is transmitted to b (S4)). The terminal device 3a sends a command for editing the edited card (a text card, a still image card, a voice card, a moving image card, a spreadsheet card, etc.) to the system device 1 (S5). The system device 1 receives the editing command from the terminal device 3a,
The read book data is updated, and an edit command is distributed to the terminal devices 3a and 3b being edited (S6). The terminal devices 3a and 3b update the page being edited with the sent editing command. Cards (text cards, still image cards, audio cards,
A command for editing a moving image card, a spreadsheet card, and the like is also transmitted to the system device 1 (S7).

The system device 1 receives the edit command from the terminal device 3a, updates the read book data, and distributes the same page edit command to the terminal devices 3a and 3b being edited (S8). Each terminal device 3
The pages a and 3b update the page with the sent editing command. For example, in the case of a text card, the editing command is a command for inputting a character, deleting a character, changing a character decoration, and the like. For still image cards, drawing free curves, circles, squares,
Commands such as filling. In the case of a voice card, the command is for recording a sound. In the case of a moving picture card, the command is for capturing a moving picture.

FIGS. 5A and 5B are flowcharts of the simultaneous editing operation of FIG. The client 1 (terminal device (1)) opens the bookshelf on the screen and sends a request for a list of book names to be edited to the simultaneous editing server (system device) (S (1)). The simultaneous editing server receives the request for the list of book names, and searches for the book name in the book data storage unit 2. Client 1 lists the list of detected book names
(S (2)). The client 1 displays a list of the sent book names on the screen, and selects a book to be edited. An edit start command for the book is transmitted (S (3)). The simultaneous editing server receives the editing start command, and transmits one page of data to the client that made the request (S (4)). The client 1 creates a mirror book based on the received page data and updates the user interface (S (5)). Then, the editing command is transmitted to the simultaneous editing server (S (6)).

The simultaneous editing server updates the book object by performing an editing process in accordance with the received editing command (S (7)), and sends the editing command not only to the client 1 but also to the client 2 editing the same book at the same time. (S (8)). The clients 1 and 2 update the mirror book object according to the instruction (S (9)). Here, when the client 1 closes the book, an end command for simultaneous editing is transmitted to the server (S
(10)). The simultaneous editing server stores the book object according to the end command.

FIG. 6 is a diagram for explaining a specific editing operation, and is an example in which a picture image is edited as book data. The virtual server is an object that absorbs the difference between simultaneous editing and local editing, and serves as a client in communication between the virtual server 5 and the simultaneous editing server 4. The sequence of S3) to S5) does not pass during local editing. Communication between the virtual server 5 and the simultaneous editing server 4 is asynchronous. After sending the book selection command to the simultaneous editing server 4 (S3)), the virtual server 5 can perform the next processing without waiting for the command S5) returned from the simultaneous editing server 4. Also, the client does not wait after receiving the edit command from the server after sending the edit command. Therefore, the editing command transmitted by another client may be interrupted before the editing command transmitted by itself is returned.

When a straight line is drawn by the drawing tool, the flow is as follows. 1) Editing operation The user displays a mirror book object placed on the server side with a drawing tool on the screen of the terminal device (1), and draws a straight line with the main user interface (mouse, tablet, and data conversion unit). . 2) Command A command for drawing a straight line is sent to the virtual server 5 of the terminal device (1) using the coordinates of the start and end points of the straight line, the thickness and color of the line as parameters.
Sent to. 3) Transmission of command The command for drawing a straight line received from the main user interface 6 is transmitted to the simultaneous editing server of the system device.

4) Book Data Editing Process The simultaneous editing server 4 updates the server-side book object in accordance with the received line drawing command. 5) Transmission of Command The simultaneous editing server 4 transmits the command for drawing a straight line received from the main user interface 6 to the virtual servers of the terminal devices (1) and (2). 6) Mirror book editing process The mirror book objects of the terminal devices (1) and (2) are updated in accordance with the line drawing command received from the simultaneous editing server. 7) Update the user interface Update the user interface according to the line drawing command received from the simultaneous editing server.

Next, an example of a main communication command between the client and the server at the time of simultaneous editing will be described. The notation rules are as follows. Transmission direction of communication command C → S: From client to server S → C: From server to client Data type DWORD: 4-byte numeric data TString: Character string data CBookInfo: Book attribute information data CPageInfo: Page attribute information Data CCardInfo… Card attribute information data CPage… Page data TRect… Coordinate data indicating short form * Composite card …… A card in which multiple cards are put together.

CPCMD ERROR: Error notification S → C Notifies the client of an error in book processing that has occurred in the server. Parameter <DWORD error code> CPCMD FINDBOK: Bookshelf search C → S Requests to start searching for bookshelves on the server. Parameter None S → C Sends the bookshelf properties found in the search on the server. Parameter <CBookInfo book property> ○ CPCMD FINDBOK FINISH: Bookshelf inspection
Search completed S → C Notifies that the book search on the server is completed. Parameters None ○ CPCMD NEWBOOK: Create New Book C → S Create a new book on the server and request this client to connect the new book. Parameter <CBookInfo book property> S → C Notifies the client that sent the request that the creation and connection of a new book has been completed. No parameters

○ CPCMD OPENBOOK: Existing
Open Book C → S Open a book on the server and request this client to connect the book. Parameter <TString book name> S → C Notifies the client that sent the request that the book has been opened and connected. Parameter <TString Book Name><Number of DWORD Book Pages> ○ CPCMD SAVEBOOK: Connection
Save Book C → S Requests that the book that this client is connecting to be saved on the server. Parameter None ○ CPCMD BOOKINFO: Book property
Change C → S Request to change book properties. S → C Notifies that the book properties have been updated. Parameter <CBookInfo property> ○ CPCMD INSERTAGE: Insert new page
Enter C → S Request to create a page in the current book. Parameter <DWORD insertion position><CPageInfo page property> S → C Notifies that a new page has been inserted into the book. Parameter <DWORD page number>

○ CPCMD DELETOPAGE: P
To request to delete the specified page of the Delete C → S current book of over-di. Parameter <DWORD page number> S → C Notifies that a page has been deleted from the book. Parameter <DWORD page number> ○ CPCMD CHANGE PAGE: current page
Change C → S Request to change the current page of this client. Parameter <DWORD page number><CPageInfo page property> S → C Notify to change the current page. Parameter <DWORD page number><CPageInfo page data> ○ CPCMD CLEARPAGE: Clear page C → S Delete the contents of the specified page. Parameter <DWORD page number> S → C Notifies that the contents of the page have been deleted. Parameter <DWORD page number> ○ CPCMD PRINTPAGE: Print page C → S Desired page is printed. Parameter <DWORD page number> S → C Instructs to print page. Parameter <DWORD page number><CPage page data>

○ CPCMD PAGEINFO: Page
Change Property C → S Requests to change the properties of the specified page. Parameter <DWORD page number><CPage page property> S → C Notifies that page property has been changed. Parameter <DWORD page number><CPageInfo page property> CPCMD NEWCARD: Create new card C → S Requests creation of a new card on the current page. Parameter <CLSID card class ID><TRect
Card Boundary Short Form> S → C Notifies that a new card has been created. Parameter <user name that created the TString card><CL
SID card class ID><TRect card boundary line short form><DWORD card single card ID> ○ CPCMD DELETECARD: Delete card C → S Requests that the specified card be deleted. Parameter <combined card ID of DWORD card> S → C Notifies that the card has been deleted. Parameter <Composite card ID of DWORD card> CPCMD MOVECARD: Move card C → S Notify that the specified card has been moved. Parameter <Compound card ID of DWORD card><TR
ect Boundary rectangle of destination> S → C Notifies that the card has moved. Parameter <Compound card ID of DWORD card><TR
ect Destination boundary rectangle>

○ CPCMD MARGE CARD: Car
Combine C → S Request to combine cards. Parameter <DWORD combination x coordinate><DWORD combination y coordinate> S → C Notify card combination. Parameter <DWORD combination x coordinate><DWORD combination y coordinate><DWORD next ID> ○ CPCMD UNMARGE CARD: card combination
Release C → S Parameter <DWORD combined card ID><D
WORD connection x coordinate><DWORD connection y coordinate> S → C Notifies the release of the card connection. Parameter <DWORD composite card ID><DWORD
Connection x coordinate><DWORD connection y coordinate><DWORD ID given next
> ○ CPCMD COPYCARD: Copy card C → S Requests that a copy of the card be made. Parameter <DWORD composite card ID> S → C Notifies the copying of the card. Parameter <DWORD composite card ID><DWORD
ID to be given next>

○ CPCMD NEWCOPYCARD:
Card copy C → S Requests that a copy of the card be made. Parameter <CComplexCard composite card object> S → C Notifies the card duplication. Parameter <CComplexCard composite card object><DWORD Next ID> ○ CPCMD MOVECARDBEFORE: Card
To the front C → S Requests that the card be moved to the front. Parameter <DWORD composite card ID> S → C Notifies that the card has moved to the front. Parameter <DWORD composite card ID> ○ CPCMD MOVECARDBEHIND: Card
To the back C → S Request to move the card to the back. Parameter <DWORD composite card ID> S → C Notifies that the card has been moved to the rearmost position. Parameter <DWORD composite card ID> ○ CPCMD CARDINFO: Card property change
To request to change the properties of a further C → S card. Parameter <DWORD single card ID><CCardInfo
Card property> S → C Notifies that the property of the card has been changed. Parameter <DWORD single card ID><CCardInfo
Card Properties>

○ CPCMD EDITCARD: Card
Edit C → S Request to edit the card. Parameter <DWORD single card ID><editcommand> S → C Notifies that the card has been edited. Since the format of the parameter <DWORD single card ID><editcommand><editcommand> differs for each card, in the communication between the client and the server, the format is simply passed as it is, and the actual interpretation is performed by the module of each card.

[0023]

As described above, the present invention relates to a terminal device.
Virtual server and mirror book object storage
Editing server and server-side book object in the system
The virtual server is not the same as the simultaneous editing server.
Is returned from the simultaneous editing server by communicating
The next process is possible without waiting for the command
When editing an object, the virtual server of the terminal device
Request to send a list of book names to the system unit
And the system device is a server-side book object storage
Perform a search within and return a list of requested book names
Terminal device selects the book name to be edited,
This is sent to the system unit and the server side boot of the system unit
The book data selected from the
Read and send. Then, the terminal device
Create a mirror data book and create a mirror book object
Page in the book data stored in the project storage
The type card is displayed on the
Simultaneous editing of system devices by virtual server
To the server, and the simultaneous editing server
Edit the object to be edited, and
And store it in the
To the virtual server, and the virtual server returns the edited
The result is stored in the mirror book object storage, and
Device is editing the same book object at the same time
In this case, it is also sent to the virtual server of another terminal device,
Added to be stored in Larbook object storage
Things. Therefore, there is an effect that a plurality of terminal devices can simultaneously edit the same file via a network, and the edited contents can be directly reflected on a file opened by another terminal device that is editing the same file.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an embodiment of a simultaneous editing system according to the present invention.

FIG. 2 is a diagram showing an example of a book selection and page edit screen.

FIG. 3 is a diagram showing a configuration of a server-side system device and one terminal device of FIG. 1;

FIG. 4 is a diagram illustrating a configuration example in a case where a server-side system device and two terminal devices simultaneously edit the same data file.

FIG. 5A is a flowchart of a time editing operation in FIG. 4, which is a former stage of the editing operation;

FIG. 5B is a flowchart of the simultaneous editing operation in FIG. 4, which is a latter part of the editing operation;

FIG. 6 is a diagram for explaining an editing operation of drawing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... System apparatus (server) 2 ... Book data storage part 3, 3a, 3b, 3c ... Terminal apparatus 4 ... Simultaneous editing server 5 ... Virtual server 6 ... Main user interface 7, 11 ... Card processing part 8, 12 ... Page processing Part 9, 13 ... Book processing part 10a-10j, 14a-14j ... Card

────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification symbol FI H04N 7/173 630 G11B 27/02 AZ (56) References JP-A-3-225548 (JP, A) JP-A-1- 243747 (JP, A) JP-A-9-190412 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G06F 15/177 682 G06F 13/00 650 G06F 15/16 620 G11B 27 / 031 H04N 5/445 H04N 7/173 630 EPAT (QUESTEL) INSPEC (DIALOG) JICST file (JOIS) WPI (DIALOG)

Claims (3)

(57) [Claims] 1. A system comprising: at least one terminal device serving as a client; a system device serving as a server; and a communication system transmitting and receiving data of the at least one terminal device and the system device. A mirror book object storage unit for storing a book object that is book data composed of a plurality of pages, and a virtual server formed for simultaneous editing, wherein the virtual server is a simultaneous editing server.
Return from the simultaneous editing server by communicating asynchronously
The next processing can be performed without waiting for the incoming command
The system device has a server-side book object storage unit for storing a book object to be edited and a simultaneous editing server, and when editing the book object, the terminal device
Is a book stored in the system device by the virtual server.
Requesting a list of names to be sent, the system unit
Search the server-side book object storage to
A list of requested book names is returned, and the terminal device edits them.
The system device is selected by selecting a target book name.
Selected from the server-side book object
The terminal device to read and transmit the
Create a mirror book of the book data of
Stored in the mirror book object storage and before
The type card is displayed on the book data page,
The command for editing work on another card is transmitted to the virtual server.
The transmitted simultaneously editing server system unit, the simultaneous editing server edits the object to be edited according to the update instructions, and return to the virtual server stores the result of the editing on the server side book object storage unit by The virtual server stores the returned edit processing result in the mirror book object storage unit, and when another terminal device is simultaneously editing the same book object, the virtual server of the other terminal device also stores the result. A simultaneous editing system characterized in that it is configured to be sent and stored in a mirror book object storage unit. 2. The type card is a still picture card, a moving picture card.
Card, text card, simultaneous editing system according to claim 1, characterized in that the sound card. 3. The simultaneous editing system according to claim 1, wherein the communication system is a dedicated line or a dial-up line.