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Member key format

The most frequently used API methods deal with dimension members in the context of setting filters or variable

values. Often the filter or variable values that need to be set are returned from the selection of a UI component.

In SAP Business Information Warehouse (BW) there are multiple key types; the most important are the INTERNAL

and the EXTERNAL key formats. The INTERNAL key is a unique identifier for all users (user-locale independent),

whereas the EXTERNAL key can be user-locale dependent.

By default, all methods that deal with member keys (as returned values or as parameters) work with the

INTERNAL key format. This keeps applications language-independent to ensure that they can work for

multilingual user groups. However, you might want to choose the EXTERNAL key format due to various situations

or reasons:

●

The EXTERNAL key format is more compact and either the application is known to be only used by users

sharing the same locale, or the EXTERNAL key format is known to be locale-independent.

●

The number of complex selections is more than the single values that need to be passed as parameters for

the API methods setFilter or setVariableValue. In this case, the SAP Business Explorer selection syntax

("INPUT_STRING") can be used, which references individual members by their EXTERNAL key.

For these special use cases, SAP BusinesObjects Design Studio provides Ext variants of methods , for example

setFilterExt, setVariableValueExt.

Writing script statements

In the design tool, there are two different approaches for writing script statements:

●

You can write scripts in a free form fashion with the script editor and activate the content assistance at any

time by clicking

CTRL

+ Space

●

If you activate the content assistance right from the beginning, you can also use the statement wizard. This

guides you through the necessary steps and then creates a script statement.

The statement wizard is functionally limited compared to free form scripting. However, if you are unfamiliar with

scripting, it might be helpful to use the statement wizard and learn from the generated script statement.

API Reference

In the API reference, you will find all the methods and their descriptions.

Related Information

Using the Script Editor [page 132]

Using the Statement Wizard [page 136]

Application Designer Guide: Designing Analysis Applications

Scripting for User Interaction Enablement

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21.1 Using the Script Editor

Prerequisites

Before you can use the script editor, you must add the components that enable user interaction (such as button

or pagebook) to your application. Also, you migth have to add the appropriate data sources and assign them to

the components, if this is required by your scenario.

Context

Procedure

1. Click the On Click or On Select property of the corresponding component that enables user interaction.

2. Click the Edit the script button next to the On Click or On select property.

The script editor opens and displays the name of the property (event) (example: "On Click") and the

component to which the script will be assigned (example: "Button_1").

3. Type in one or more statements in this supported format:

<ComponentVariable>.<function>(<arguments>);.

Tip

You can active the content assistance at any place in the script by pressing

CTRL

+ Space

on your

keyboard. if you activate the content assistance right from the beginning, you can also switch to the

statement wizard that guides you through the statement creation process.

4. Click OK to close the script editor.

Results

You have created a script for a component that enables the user to interact in the application.

Related Information

Content Assistance in the Script Editor [page 133]

Error Analysis in Scripting [page 134]

API Reference [page 212]

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21.1.1 Content Assistance in the Script Editor

The script editor enables you to easily create scripts and use them for user interaction enablement. It supports

you by providing a variety of useful functions, hints and checks:

Opening the script editor

You open the script editor by edting the On Click or On Select property of the component that you have dragged

and dropped into the editor.

Automatic syntax check

The system checks the syntax of your script in the background. Whenever there is a mistake, you will see an error

marker on the left hand side and the bad code is underlined. You can hover over the error marker or the

underlined text to see the error message.

Auto correction

In some cases you will find a “Quick fix” that fixes the error automatically. Just check the correction links in the

error message popup.

Display of additional information

When you hover over the script text with the mouse and keep the mouse pointer still, you see additional

information about the text below the mouse pointer. For example, if you hover over a data source alias name, you

see the corresponding query or query view data sourcde. Or if you hover over a dimension, you see its display

name.

Intelligent proposal offering by content assistance

When entering the script text, you can press

CTRL

+ Space

to see proposals on how to continue. The editor is an

intelligent tool and knows which continuations make sense and which do not. If you press

CTRL

+ Space

in an

empty script editor, you will see all the components and data source aliases of the application as proposals. You

can select one and continue typing the script or press

CTRL

+ Space

again to get the next proposal.

In some cases the editor will show you proposals without you pressing

CTRL

+ Space

. For example, if you type the

name of a data source alias and press

"."

, all available functions for the data source alias will be displayed

automatically.

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Relevance-ordered proposals and contextsensitive documentation

The proposals are ordered by relevance. The most likely proposals are displayed first. Proposals that have the

same relevance are sorted alphabetically. If you select a proposal with the mouse or with the up/down keys, you

will see some documentation about the proposal. For example, if you show proposals for a data source alias

“DS_1.”, you see all available functions. Each function displays documentation.

Linked mode and value help for member selection

If you have chosen a proposal for a function, the editor will automatically insert the function name, the opening

and closing brackets “(…)” and placeholders for all arguments. The editor is now in the “linked mode” that allows

you to enter the parameters. You can use the

Tab

key to switch to the next parameter and the

Shift

key to go

back to the previous parameter. You will also recognize the little green bar behind the closing bracket. Proceeding

to this bar using the tab, arrow keys or the mouse will exit the “linked mode”. To fill the parameters, you press

CTRL

+ Space

again to see proposals for parameters.

Proposals for parameters depend on the function. The function “setFilter” will propose you dimensions in place.

Members will be shown as proposals if the available number is not too high. Otherwise there will be a proposal that

allows you to open the value help for member selection.

21.1.2 Error Analysis in Scripting

Script validation

Each script is validated before it is executed. If an error is found, for example, in the syntax, the script is not

executed. Instead a log entry and a message are created and displayed. The log entry in the Error Log view

contains detailed error messages for the script. At runtime, the end user will see a message in the message view

stating that there is a problem in the script. The message contains a log ID that allows you - the application

designer - to find detailed error information.

For performance reasons, validation is performed only once per script. However, a script with errors is never

executed.

As an application designer, you can use the following application methods to analyze the general behavior of your

application:

●

log

●

alert

●

createErrorMessage

●

createWarningMessage

●

createInfoMessage

If you use the methods log and alert, the results are displayed in the design tool. For example, if you want to

find out whether or not a certain script has been aborted, you can add the log or alert call statements with a

user-defined message as the last line of the script. If the message does not appear in a dialog box (application

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method alert) or in the Error Log view of the design tool (application method log), this means the script has

been aborted. You can add more messages to the script, to find the exact statement that causes the script to be

aborted.

If you use the methods createErrorMessage, createWarningMessage or createInfoMessage the results of

the analysis are displayed in the executed application and can be viewed on external machines or mobile devices

(for example, iPads).

Note

The log and alert methods only work if the design tool is running. Messages will only appear on the machine

where the design tool is installed and running and where user confirmation is expected. Therefore, any

applications executed on an external machine or a mobile device are blocked if they encounter an alert

statement in a script (assuming that you have activated external access for these applications on the

preferences page) .

Using the Problems view

The Problems view displays script errors encountered during script validation at design time, after the application

was saved. The Problems view shows errors and warning markers for all script-related issues, even if the script

editor is currently not open. To display the Problems view, click

View

Problems

in the menu of the design

tool. To examine and resolve the errors displayed in the view, simply double-click an error. This automatically

selects the component with the bad script and the script editor is opened.

The Problem view is refreshed when you open and save an application. Therefore a marker can remain even if the

problem is already fixed. This marker disappears when you save the application the next time.

Note

Differences between working in local mode and with the Business Intelligence platform:

●

If you work locally, the marker remains when you close the application window or the design studio. You

can double-click the marker to open the application window and navigate to the error. The Problems view

displays all problems for all analysis applications in the local workspace.

If you work with the BI platform, the markers of an application disappear when the application is closed.

They are displayed again when the application is opened again. Therefore the Problems view only shows

markers of open applications.

Related Information

Log (log) [page 224]

Alert (alert) [page 218]

Create Error Message (createErrorMessage) [page 221]

Create Info Message (createInfoMessage) [page 222]

Create Warning Message (createWarningMessage) [page 222]

Application Designer Guide: Designing Analysis Applications

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21.2 Using the Statement Wizard

Prerequisites

Before you can use the script editor or the statement wizard, you must add the components that enable user

interaction (such as button or pagebook) to your application. Also, you might have to add the appropriate data

sources and assign them to the components, if this is required by your scenario.

Context

The statement wizard guides you through the script statement creation process, step by step.

Procedure

1. Click the On Click or On Select property of the relevant component that enables user interaction.

2. Click the Edit the script button next to the On Click or On select property.

The script editor opens and displays the name of the property (event) (for example, "On Click") and the

component to which the script will be assigned (for example, "Button_1".

3. Press

CTRL

+Space

to activate the content assistance.

4. Double click New Statement Wizard... in the content assistance window.

The New Statement dialog box opens.

5. Select a statement from the available statements list and click Next.

Tip

You can also filter for statements by typing in the first characters of the statement name in the Availabe

Statements: field. The system automatically filters the statements while you are typing. The matiching

parts of the statement name are highlighted in the list. Click the eraser icon on the right side of the filter

field to clear the filter. The eraser icon is only displayed after you have typed in characters in the filter field.

6. Set the parameters for your chosen statement and click Finish.

Click Back, to return to the previous step.

The statement you have created is displayed in the script editor.

7. Click OK to close the script editor.

Results

You have created a script statement using the wizard. Note the following: You can modify the script afterwards in

the script editior. However, if you make changes to a wizard-generated script, which are not supported by the

wizard, the wizard cannot modify the statement anymore.

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21.3 Selecting Members of a Dimension

When you use statements like setFilter for a dropdown box, you need to select single members of a dimension.

You can select the members in the content assistance of the Script Editor dialog box, or, if you use the statement

wizard, in the Select Member dialog box. The capabilities and options available in the Select Member dialog box

depend on the type of the member's dimension. Dimension types currently supported:

●

flat dimensions

●

dimensions with a related hierarchy

The capabilities and options available in the Select Member dialog box also depend on the number of members

that a dimension has. You can display a small or large quantity of members by adjusting the maximum threshold

number of members. You can set this (default) threshold in the Preferences dialog box in the design tool.

Restriction

With input help for member selection, you can only select single members. Multiple selections or ranges are not

supported at present.

Filtering members in flat dimensions

If the number of members is less than or equal to the maximum threshold number defined in the Preferences

dialog box, the Select Member dialog box displays the members list with each member's text and key. You can

now filter the members by typing a part of a member's text or key into the filter /input field. The list is filtered

while you type. Matching parts of member names or keys are highlighted in the list. The number of matches is

displayed below the list.

Tip

Filtering is case-insensitive. You can use the following wildcard characters for filtering:

●

An asterisk (*) matches any sequence of zero, one or multiple characters.

●

A question mark (?) matches a single character.

If your filter entry matches several members, the first member is always selected. You can use the currently

selected member by pressing OK, double-clicking the selected member, or pressing

ENTER

on your keyboard.

You can discard the currently selected member by pressing Cancel or by pressing

ESC

on your keyboard.

To clear the filter field, click the eraser symbol on the right side of the filter field. This will display all members

again. The eraser symbol only appears if you have entered characters in the filter field.

Changing the sorting display and the threshold

You can switch the display sequence for the member text and key in the members list by selecting Sort by key or

Sort by text in the popup menu. This menu appears when you click the arrow symbol above the input field. The

system sorts the list automatically according to your choice.

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You can define and change the maximum number of members displayed in the content assistance for the Script

Editor dialog box and in the Select Member dialog box . Enter the required number in the Maximum number of

members to fetch from backend in content assistance checkbox and/or in the Maximum number of members to

fetch from backend in dialog. The default threshold is 20. If the number of available members exceeds this

threshold number, the content assistance does not list single members. Instead it offers the Select Member...

entry, which opens the Select Member dialog box.

Searching for members

If the number of members exceeds the maximum threshold number, the Member Selection dialog box displays

the members list with each member' s text and key. The number of displayed members is cut off at the maximum

threshold number. A message below the list indicates that the maximum threshold number of members has been

exceeded and provides a link to the Preferences menu in the design tool, where you can configure this threshold

number.

To search for members, first enter a part of a member's text or key into the search field. This enables the Search

button. Then click the Search button or press

Enter

to perform the search.

Tip

The case-sensitivity of the search functionality is dependent on the backend system.

Filtering and searching for members in dimensions with related hierarchies

If the number of members and the hierarchy nodes is less than or equal to the maximum threshold number, the

Select Member dialog box displays the members in a hierarchical tree. The initial expansion level is determined by

the corresponding setting in the BW query. Depending on how you close the dialog (table view or hierarchical

view), the dialog opens in the mode again the next time it is opened. The total number of members is displayed

below the tree.

If the number of members assigned to the hierarchy is less than or equal to the threshold, but the total number of

members exceeds the threshold, then only the assigned nodes are displayed in the tree. The unassigned

members are suppressed, and a dummy node is displayed for them instead. You can only filter for assigned

members. If you want to filter for unassigned members, you need to switch to the leaves/table view.

If the number of assigned members exceeds the threshold, the Select Member dialog box initially displays the

collapsed members tree. A message below the tree indicates that the maximum threshold number has been

exceeded. You can now collapse and expand the nodes.

To expand or collapse the nodes and the entire hierarchy, press Expand All (+) or Collapse All (-).

You can now filter the members as described above. You can also change the sorting display of the member keys

and texts, adjust the threshold number and display the hierarchy leaves as a table.

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21.4 Script Processing Flow in Applications

The following graphic describes the processing flow for scripts that you create and insert into your analysis

application.

Figure 1: Script Processing Flow in Applications

While executing an event script, the system checks on the server if there are mandatory variables in the

application without values, or if a variable is set to a wrong value. If this is true for one of these cases, the prompt

dialog box for entering the values appears. After the application user has entered the variable values, or if there

are no mandatory variables or if the values are correct, the components are rendered before background

processing is triggered. If there is a script in the application that should be processed in the background, the

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139

system checks again whether there are mandatory variables in the application without values or whether a

variable is set to a wrong value. As a result, all the steps described above are repeated again. This can cause an

endless loop. If there is no script to be executed in the background, the event script is finally executed.

Note

If you use the method APPLICATION.doBackgroundProcessing() in the event On Background Processing,

you create a loop. This can be useful, for example, when loading data from different data sources - one after the

other. However, to avoid an endless loop, you must integrate a condition (in your script) that terminates the

loop. For example, you can specify the number of calls by using a script like this: In this case, a global variable

counter has been defined and initialized with 0. After the third call of the On Background Processing event, no

further calls are executed. For more information, see On Background Processing event inProperties of the

Application [page 161]

counter = counter + 1;

if (counter < 3 ) { {

APPLICATION.doBackgroundProcessing();

}

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