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Introduction

The system configuration items form a primary part of the configuration of

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Delft-FEWS as a system. It includes

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the definitions of the functional elements

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that are in Delft-FEWS

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(both GUI plug-ins and Module plug-ins). The layout of the main GUI (the Delft-FEWS Explorer) and the layout of the Time Series

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Display are also defined in this section.

The system configuration items include

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:

  • Explorer configuration of the FEWS Explorer (the main GUI)

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  • TimeSeriesDisplayConfig Configuration of the time series display.
  • DisplayGroups Configuration of the shortcuts to display templates available in the time series display.
  • LocationIcons Definition of the icons used in the FEWS Explorer layout for locations.
  • Permissions Configuration of permissions that can be set for tasks and windows in Delft-FEWS.
  • Archives Configuration of the Delft-FEWS archive for the seamless integration

For each of the configuration items listed above only one configuration is active (or default) at any one time. Each item is defined in an XML file with a unique name.

Info

Many of the configuration items required will include references to strings. To avoid duplication, a tag can be defined in the global.properties file in the root configuration and the tag name used in the XML file.
To use a tag, add this in the global.properties file.
To reference a tag include the

sting

string $TAG_NAME$, where TAG_NAME is the tag to be used.

1.6             Module Descriptors

The module descriptors is used to register module plug-ins that can be used in workflows. The module descriptors define the name of the module and the associated Java class to call. This class must implement the module plug-in interface for it to work within DELFT-FEWS. All modules that are included in the distribution of DELFT-FEWS are registered in the Module Descriptors. When available on the file system, the name of the XML file is for example:

ModuleDescrtiptors 1.00 default.xml

ModuleDescrtiptors                   Fixed file name for the module descriptors configuration

1.00                                            Version number

default                                       Flag to indicate the version is the default configuration (otherwise omitted).

Figure 21 Elements in the ModuleDescriptors configuration

moduleDescriptor

Root element of the module descriptor configuration. One entry is required for each module defined.

Attributes;

-         Id: Id or Name of the module

description

Optional description of the module. This is used for reference only.

className

Java class called when running the module as referenced by its Id. NOTE; this class must implement the DELFT-FEWS module plug-in interface.

1.7             Display Descriptors

The display descriptors is used to register display plug-ins that can be called from the DELFT-FEWS GUI. The display descriptors define the name of the display and the associated Java class to call. This class must implement the display plug-in interface for it to work within DELFT-FEWS. All displays that are included in the distribution of DELFT-FEWS are registered in the Display Descriptors. When available on the file system, the name of the XML file is for example:

DisplayDescriptors 1.00 default.xml

DisplayDescriptors                       Fixed file name for the display descriptors configuration

1.00                                            Version number

default                                       Flag to indicate the version is the default configuration (otherwise omitted).

Figure 22 Elements in the DisplayDescriptors configuration

displayDescriptor

Root element of the display descriptor configuration. One entry is required for each display defined.

Attributes;

-         Id: Id or Name of the display

description

Optional description of the display. This is used for reference only.

className

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