JP4516946B2 - List display control device and list display control method - Google Patents

Description

  The present invention relates to a list display control device and a list display control method. More specifically, the present invention relates to a list display control device and a list display control method that include means for calculating the position of selection data displayed on a screen when data in a list is displayed.

  Conventionally, in a list display control device, a scroll bar is usually displayed next to a list when the entire list cannot be displayed on one screen due to the large number of items in the list. This expresses where the currently displayed list is located in the entire list. A list display method that does not display scroll bars has also been proposed. For example, Patent Document 1 discloses a list display method in which an item selected by a user is always displayed near the center of the list, so that items before and after the selected item can be viewed efficiently.

JP-A-8-95732

  However, in the prior art as described above, the selected item is displayed next to the list in order to determine whether the selected item is at the beginning, end, or where in the list. You need to see the scroll bars that are difficult to judge from the list alone. Furthermore, an area for displaying the scroll bar beside the list is required, and the display area of the list is reduced accordingly. Further, in the list display method of Patent Document 1, the selected item is controlled to be displayed near the center of the list displayed on the screen, and there are list items to be displayed before and after the selected item. Although you can see, where the selected item is located in the whole list, whether the selected item is at the beginning, the end, how much the list should be displayed before and after, the whole like a scroll bar after all It cannot be judged if there is nothing that understands.

  Therefore, in the present invention, when a list including a large number of items that cannot be displayed on one screen is displayed, the scroll bar is not used to indicate where the selected item is located in the entire list. It is an object of the present invention to provide a list display control device capable of making a determination.

The list display device of the present invention stores display means for displaying a list, input means for designating selection data from the list, and a first data number indicating the number of data in the display list to be displayed on the display means And a second number of data indicating the number of all data included in the list and a row number indicating a position from the top of the list of the selected data. And a calculating means for calculating the display position of the selected data in the display list from the first data number, the second data number, and the row number, and calculating by the calculating means following a display position of the selected data, the display list including the selected data displayed on the display means, the position of the selected data in the display list, the Characterized in that it expresses the position of the selected data in the list.

  The selection data may be displayed on the first line of the display list only when the selection data is the first line of the list.

  The selection data may be displayed on the last line of the display list only when the selection data is the last line of the list.

The list control method of the present invention includes a first step in which the display means displays the list, a second step in which the user designates selection data from the list by the input means, and a display in which the storage means displays on the display means. A third step of storing a first data number indicating the number of data in the list; a control means for acquiring the first data number from the storage means; and a first step for indicating the number of all data included in the list A fourth step of setting a data number of 2 and a row number indicating the position of the selection data from the top of the list; and a calculating means for calculating the first data number, the second data number, and the row number. And a fifth step of calculating a display position of the selection data in the display list, and including the selection data according to the display position of the selection data calculated by the calculation means. Possess a sixth step of displaying the display list on the display unit, the position of the selected data in said display list, characterized by representing a position of the selected data in the list.

In the list display control program of the present invention, a first step in which a display unit displays a display list on a computer, a second step in which a user designates selection data from the list by an input unit, and a storage unit displays A third step of storing a first data number indicating the number of data in the list to be displayed on the means, and the control means obtains the first data number from the storage means, and all the data included in the list A fourth step of setting a second data number indicating a number and a row number indicating the position of the selected data from the top of the list; and a calculating means for calculating the first data number and the second data number A fifth step of calculating the display position of the selection data in the display list from the line number, and according to the display position of the selection data calculated by the calculation means Wherein to execute a sixth step of displaying the display list including the selected data to said display means, the position of the selected data in said display list, and characterized in that to express the position of the selected data in said list To do.

  According to the present invention, since it is not necessary to display a scroll bar when displaying a list, an area for displaying a list can be widened. Also, since the position of the selected item in the entire list can be determined from the position in the list where the selected item is displayed, it is necessary to move the line of sight compared to when the scroll bar is displayed horizontally. Disappear.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

  First, the configuration of the list display control apparatus according to the embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram for explaining a configuration of a list display control apparatus according to an embodiment of the present invention.

  The list display control apparatus according to the embodiment of the present invention includes a control unit 11, a calculation unit 12, a storage unit 13, a display unit 14, and an input unit 15.

  The control unit 11 acquires the list stored in the storage unit 13, and from the acquired list, calculates the number of all data included in the list and the number of data to be displayed on the screen stored in the storage unit 13. send. The display data group is sent to the display unit 14 according to the display data group displayed on the screen calculated by the calculation unit 12 and the display position of the selected data in the display data group.

  The calculating means 12 is based on the line number indicating the position from the top of the list of selected data selected by the input means 15, the total number of data included in the list stored in the storage means 13, and the number of data displayed on the screen. The display data group to be displayed on the screen and the display position of the selected data in the display data group are calculated.

  The storage means 13 stores the list and the number of data to be displayed on the screen.

  The display unit 14 displays the display data group sent from the control unit 11.

  The user selects data from the list by the input means 15. Further, the user can change the selected data by scrolling up and down the data selected by the input means 15 or by moving to the previous or next page of the displayed list.

  Next, a list display control method according to the first embodiment of this invention will be described with reference to FIGS. FIG. 2 is a diagram for explaining the relationship of variables necessary for calculating the display position of the selection data 22, and FIG. 3 is a diagram for explaining the flow until the selection data is displayed. FIG. 4 to FIG. 8 are diagrams for explaining in which position the selected data is displayed in the display list 21 displayed on the screen according to the line number of the data selected by the user.

  Referring to FIG. 3, the control unit 11 acquires the list 20 from the storage unit 13, and further acquires the number N of all data included in the list 20 (step S301). The control unit 11 acquires the number of data Z of the list to be displayed on one screen from the storage unit 13 (step S302). The control means 11 sets the line number P in the list 20 of the selection data 22 to 1 (step S303). Note that the line number P is not fixed to 1, and the line number selected before the transition may be set.

  Next, the calculation means 12 uses the number N of all data included in the list 20 sent from the control means 11, the number of data Z in the list to be displayed on one screen, and the line number P in the list 20 of the selection data 22. Then, the position Y from the top of the display list of the selected data in the display list 21 displayed on the screen is calculated (step S304). The formula used when calculating the position Y may be rounded down (Z * (P / N)) + 1. Further, the calculation means 12 includes the number of data Z of the list to be displayed on one screen, the row number P in the list of the selection data 22, and the position Y from the top of the display list of the selection data 22 in the display list 21 displayed on the screen. Then, the line number T of the first line of the display list 21 displayed on the screen and the line number B of the last line of the display list 21 displayed on the screen are calculated (step S305).

  Next, the control unit 11 determines the position Y of the selection data 22 from the top of the display list in the display list 21 displayed on the screen calculated by the calculation unit 12 and the line number of the top line of the display list 21 displayed on the screen. The display list 21 is displayed on the display means 14 according to T and the line number B of the last line of the display list 21 displayed on the screen (step S306). When the display list 21 is displayed, the row of the selection data may be displayed in focus (inverted display or the like) so that the position of the selection data 22 can be easily understood.

  Next, an operation when the user changes the selection data 22 using the input unit 15 such as a keyboard will be described. First, it is confirmed whether or not there is a key input from the input means (step S307). When it is determined that the instruction from the input means is scrolling up (step S308), the line number P in the list 20 of the selection data 22 is changed to P + 1 (step S313). When it is determined that the instruction from the input means is scrolling down (step S309), the line number P in the list 20 of the selection data 22 is changed to P-1 (step S314). When it is determined that the instruction from the input means is page up (step S310), the line number P in the list 20 of the selection data 22 is changed to P + Z (step S315). When it is determined that the instruction from the input means is page down (step S311), the line number P in the list 20 of the selection data 22 is changed to PZ (step S316). In either case, when the line number P in the list 20 of the selection data 22 is changed, the process returns to step S304. It is determined whether or not the instruction from the input means is to end the display of the list (step S312). If it is determined that the display is to end, the process ends. If it is determined that the display is not to end, the process returns to step S307.

  FIG. 4 to FIG. 8 illustrate how the position of the selection data 22 in the display list 21 changes according to the row number P of the selection data 22 in the first exemplary embodiment of the present invention. In the example shown in FIGS. 4 to 8, the total number of data N included in the list 20 is 100, and the number of data Z in the list displayed on one screen is 11.

  FIG. 4 shows the position of the selected data in the display list displayed on the screen when the data of line number 6 is selected.

  FIG. 5 shows the position of the selected data in the display list displayed on the screen when the data of line number 14 is selected.

  FIG. 6 shows the position of the selected data in the display list displayed on the screen when the data of line number 21 is selected.

  FIG. 7 shows the position of the selected data in the display list displayed on the screen when the data of line number 89 is selected.

  FIG. 8 shows the position of the selected data in the display list displayed on the screen when the data of line number 92 is selected.

  Next, a list display control method according to the second embodiment of the present invention will be described with reference to FIG. 2 and FIGS. 9 to 13. In the second embodiment of the present invention, only the first list in all the lists has the focus position at the top level, and only the last list has the focus position at the bottom level. FIG. 2 is a diagram for explaining the relationship of variables necessary for calculating the display position of the selection data 22, and FIG. 9 is a diagram for explaining the flow until the selection data is displayed. FIG. 10 and FIG. 11 are diagrams for explaining at which position the selected data is displayed in the display list 21 displayed on the screen according to the line number of the data selected by the user.

  Referring to FIG. 9, the control unit 11 acquires the list 20 from the storage unit 13, and further acquires the number N of all data included in the list 20 (step S901). The control unit 11 acquires the number of data Z of the list to be displayed on one screen from the storage unit 13 (step S902). The control means 11 sets the row number P in the list 20 of the selection data 22 to 1 and sets the number of data Z in the list displayed on one screen to Z-2 (step S903). Note that the line number P is not fixed to 1, and the line number selected before the transition may be set.

  Next, when the calculation means 12 determines that the line number P in the list 20 sent from the control means 11 is equal to 1 (step S904), the position Y from the top of the display list of the selected data is set to 1. However, when it is determined that P is equal to the number of all data N included in the list 20 (step S905), Y is set to the number of data Z in the list displayed on one screen (step S907).

  Next, the calculation means 12 uses the number N of all data included in the list 20 sent from the control means 11, the number of data Z in the list to be displayed on one screen, and the line number P in the list 20 of the selection data 22. Then, the position Y from the top of the display list of the selected data in the display list 21 displayed on the screen is calculated (step S908). The formula used when calculating the position Y may be rounded down (Z * (P / N)) + 1. Further, the calculation means 12 includes the number of data Z of the list to be displayed on one screen, the row number P in the list of the selection data 22, and the position Y from the top of the display list of the selection data 22 in the display list 21 displayed on the screen Then, the line number T of the first line of the display list 21 displayed on the screen and the line number B of the last line of the display list 21 displayed on the screen are calculated (step S909).

  Next, the control unit 11 determines the position Y of the selection data 22 from the top of the display list in the display list 21 displayed on the screen calculated by the calculation unit 12 and the line number of the top line of the display list 21 displayed on the screen. The display list 21 is displayed on the display means 14 in accordance with T and the line number B of the last line of the display list 21 displayed on the screen (step S910). When the display list 21 is displayed, the row of the selection data may be displayed in focus (inverted display or the like) so that the position of the selection data 22 can be easily understood.

  Next, an operation when the user changes the selection data 22 using the input unit 15 such as a keyboard will be described. First, it is confirmed whether or not there is a key input from the input means (step S911). When it is determined that the instruction from the input means is scroll-up (step S912), the line number P in the list 20 of the selection data 22 is changed to P + 1 (step S917). When it is determined that the instruction from the input means is scrolling down (step S913), the line number P in the list 20 of the selection data 22 is changed to P-1 (step S918). When it is determined that the instruction from the input means is page up (step S914), the line number P in the list 20 of the selection data 22 is changed to P + Z (step S919). When it is determined that the instruction from the input means is page down (step S915), the line number P in the list 20 of the selection data 22 is changed to PZ (step S920). In any case, when the line number P in the list 20 of the selection data 22 is changed, the process returns to step S904. It is determined whether or not the instruction from the input means is to end the display of the list (step S916). When it is determined that the display is to end, the process ends. When it is determined that the display is not to end, the process returns to step S911.

  FIG. 10 to FIG. 13 illustrate how the position of the selection data 22 in the display list 21 changes according to the row number P of the selection data 22 in the second embodiment of the present invention. In the example shown in FIGS. 10 to 13, the number of all data N included in the list 20 is 100, and the number of data Z in the list displayed on one screen is 11.

  FIG. 10 shows the position of the selected data in the display list displayed on the screen when the data of the first line (line number 1) is selected.

  FIG. 11 shows the position of the selected data in the display list displayed on the screen when the data of line number 6 is selected.

  FIG. 12 shows the position of the selected data in the display list displayed on the screen when the data of line number 92 is selected.

  FIG. 13 shows the position of the selected data in the display list displayed on the screen when the data of the last line (line number 100) is selected.

  As described above, in the embodiment of the present invention, when the list data is selected, the position of the selected data in the entire list can be determined only by looking at the position of the selected data in the list displayed on the screen. It becomes like this. Therefore, it is not necessary to display the scroll bar, and the area for displaying the list can be widened. In addition, it is not necessary to move the line of sight compared to when the scroll bar is displayed horizontally.

It is a block diagram for demonstrating the structure of the list display control apparatus of embodiment of this invention. It is a figure for demonstrating a variable required when calculating the focus position in embodiment of this invention. 5 is a flowchart for explaining the operation of the control means in the first embodiment of the present invention. FIG. 6 is a diagram for illustrating a display screen in the first embodiment of the present invention. FIG. 6 is a diagram for illustrating a display screen in the first embodiment of the present invention. FIG. 6 is a diagram for illustrating a display screen in the first embodiment of the present invention. FIG. 6 is a diagram for illustrating a display screen in the first embodiment of the present invention. FIG. 6 is a diagram for illustrating a display screen in the first embodiment of the present invention. It is a flowchart for demonstrating operation | movement of the control means in the 2nd Embodiment of this invention. It is a figure for demonstrating the display screen in the 2nd Embodiment of this invention. It is a figure for demonstrating the display screen in the 2nd Embodiment of this invention. It is a figure for demonstrating the display screen in the 2nd Embodiment of this invention. It is a figure for demonstrating the display screen in the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 List display control apparatus 11 Control means 12 Calculation means 13 Storage means 14 Display means 15 Input means 20 List 21 Display list 22 Selection data

Claims (5)

Display means for displaying a list;
Input means for designating selection data from the list;
Storage means for storing a first data number indicating the data number of the display list to be displayed on the display means;
The first data number is acquired from the storage means, and a second data number indicating the total number of data included in the list and a row number indicating the position of the selected data from the top of the list are set. Control means;
Calculating means for calculating a display position of the selection data in the display list from the first data number, the second data number, and the row number;
According to the display position of the selection data calculated by the calculation means, the display list including the selection data is displayed on the display means ,
The list display control device , wherein the position of the selection data in the display list represents the position of the selection data in the list. 2. The list display control apparatus according to claim 1, wherein the selection data is displayed on the first line of the display list only when the selection data is the first line of the list. 3. The list display control device according to claim 1, wherein the selection data is displayed on the last line of the display list only when the selection data is the last line of the list. A first step in which the display means displays the list;
A second step in which the user specifies selection data from the list by means of input means;
A third step of storing a first data number indicating the number of data in the display list displayed on the display means by the storage means;
The control means obtains the first data number from the storage means, and the second data number indicating the number of all data included in the list and the row number indicating the position of the selected data from the top of the list A fourth step of setting
A fifth step of calculating a display position of the selection data in the display list from the first data number, the second data number, and the row number;
In accordance with the display position of the selected data calculated by said calculation means, have a a sixth step of displaying the display list including the selected data to said display means,
The list display control method characterized in that the position of the selection data in the display list represents the position of the selection data in the list. On the computer,
A first step in which the display means displays the display list;
A second step in which the user specifies selection data from the list by means of input means;
A third step of storing a first data number indicating the number of data in the list displayed on the display means by the storage means;
The control means obtains the first data number from the storage means, and the second data number indicating the number of all data included in the list and the row number indicating the position of the selected data from the top of the list A fourth step of setting
A fifth step of calculating a display position of the selection data in the display list from the first data number, the second data number, and the row number;
In accordance with the display position of the selection data calculated by the calculation means, the display list including the selection data is displayed on the display means .
The list display control program characterized in that the position of the selection data in the display list expresses the position of the selection data in the list.

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