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Mapbender Digitizer element

:warning: This version is compatible with Mapbender 4 only. The latest digitizer release compatible with Mapbender 3 is 1.5.7

Display and edit features (and feature attributes) stored in database tables in a Mapbender application.

Feature listings are displayed as (HTML) tables. Geometries can be created or edited using a predefined set of tools, and their attributes can be in customizable forms.

Designed for use in a sidepane.

Data is organized into "schemes" to support integration of multiple database tables.

If multiple schemes are defined, Digitizer will display a dropdown to allow schema switching.

Each schema separately defines tool availability, how data is listed, and the structure of the form used for editing attributes.

Connects to PostgreSQL Postgis or Oracle spatial database tables. Please refer to the Data Source documentation for details.

Connection and table configuration may either be inlined into the schema configuration directly, or reference an existing global configuration placed into a Symfony container parameter.

Digitizer does not support tables without geometry columns.

After installation

Using Digitizer requires registering two bundles in your application kernel. Register both \Mapbender\DataManagerBundle\MapbenderDataManagerBundle and \Mapbender\DigitizerBundle\MapbenderDigitizerBundle.

Configuring feature interactions

Each schema may define the following values to control access to data modifying interactions:

The roles list should contain entries understood by the Symfony grants system, such as ROLE_USER for logged-in users or ROLE_GROUP_SOMETHING for a user group created and assigned in the Mapbender administration backend.

The allow... settings named above may also contain lists of role names to limit modification to certain groups of users. If they are booleans, access is uniform for all users (including anyonymous users).

User specific data

Setting either of these to true additionally requires a userColumn (string) to be defined in the dataStore / featureType definition. This must name a database column of sufficient length to store user names.

Note that with filterUser true, trackUser is implied and its setting, if present, is ignored.

The userColumn setting is a Digitizer / Data Manager extension and not documented (nor implemented) by the data-source package.

Configuring feature display and interface behaviour

Each schema may define the following values to control basic behaviour:

Configuring "toolset"

Each schema may define a toolset setting to configure the types of drawing tools available during geometry creation. This should be a list of strings, or null for auto-configuration (which is the default).

Valid tool names are:

• drawPoint for point creation
• drawLine for line drawing
• drawPolygon for polygon drawing
• drawRectangle, drawCircle, drawEllipse for rectangles, circles and ellipses respectively
• drawDonut for making interior cutouts in existing polygons

If toolset is set as an empty list, no geometry creation tools will be offered.

If toolset is null or not set, and the connected feature type declares its geomType, Digitizer will reduce the selection of tools to to those compatible with the geomType (e.g. no line drawing for datasets containing only points or polygons).

If neither toolset nor the geomType are defined, all supported tools are offered.

If feature modification is allowed (via allowDigitize / allowEdit), vertex modification and feature translation tools will also be offered.

If allowCreate is set to false, no creation tools from the toolset setting will be offered. drawDonut (inherently a modification, not creation tool) may still be offered, if editing is allowed.

Configuring tabular item listing

Each schema configuration contains an object under key table with the following structure:

Combination schema

If a schema defines a combine setting (list of strings), it is treated as a combination schema. Data from multiple other schemas is then displayed together. The entries in the combine list must be the names of the sub-schemas to be combined.

A schema with combine only allows a reduced set of other settings.

It may define roles to limit user access to the whole combination.

It may define table to explicitly specify table formatting of data common to all referenced sub-schemas.

A schema referenced by a combine list may not itself define combine.

Configuring forms

Each schema configuration contains a list of (potentially nested) objects under key formItems, defining the contents and structure of the form shown when an item is created or edited. Note that this form will also be used purely as a detail display vehicle even if editing is disabled.

Additionaly, the popup object in the schema controls properties of the the popup itself. It supports the following values:

Form input fields

Form input fields come in a multitude of different types, controlled by the type value. All inputs share a common set of configuration options:

Input field type is one of

• "input" for a regular single-row text input
• "textArea" for a multiple-row text input
• "select" for a dropdown offering predefined choices
• "radioGroup" for an expanded list of predefined choices
• "checkbox" for an on / off choice
• "date" for a specialized input selecting a calendar day (produces standard SQL date string format "YYYY-MM-DD")
• "colorPicker" for a specialized input selecting a color (produces CSS-like hash + 6 hex digits string format)
• "file" for allowing file attachments

Many common customizations for inputs can be performed purely with the attr object. E.g. type "input" can be restricted to allow numbers only by overriding its HTML type attribute; all inputs can be made required or readonly.

Choice input option formats

Types "radioGroup" and "select" require a list of objects under key options to specify the available choices. Option objects contain:

Selects (NOT radioGroup items) can alternatively specify sql and connection (Doctrine DBAL connection name) to generate choices dynamically. The sql should generate label and value aliases for clarity. If it does not, the first column of each row is used as the option label and the last column as the submit value.

Static option definitions and sql can also be combined.

If sql is defined but connection is omitted, the "default" DBAL connection is used for the query.

File uploads

Files uploaded through type: file form items will be stored in the server's file system. The mapped database column will only store a file path as a string.

The default storage path for uploads is determined by Mapbender, but can be reconfigured on the "dataStore" / "featureType" level, individually for each database column. This is done via a files object in the "dataStore" / "featureType" configuration.

E.g.

The starting point for a relative path (no leading slash) is the web server document root.

For image attachments, you may link a type: img item that will automatically display a preview of the current attachment.

Structural / misc form elements

Type "tabs"

Complex form dialogs can be organized into multiple tabs by inserting an object with type: tabs into the formItems list, and assigning it one or more tab specifications, which consist of title (text displayed on the tab) and children (contents of the tab).

Misc container tags "div", "span", "p"

Inserts HTML <div>, <span> or <p> tags. May specify text (encoded, inserted first) and children (list of more items to insert). Supports adding free-form HTML attributes via attr object and custom cssClass.

Type "html"

Inserts custom HTML content (no escaping), wrapped into an extra div. May specify attr and cssClass to be added onto the containing div.

Type "breakLine"

Inserts a single HTML <hr> element. Supports adding free-form HTML attributes via attr object and custom cssClass.

Configuring access

Each schema may also limit the possible interactions users can perform:

Example configuration

Data Source

Components abstracting raw doctrine tables into repositories.

The base DataStore is a repository promoting loaded rows into DataItem objects, and also supports DataItem objects when updating / inserting.

FeatureType is an extended repository type with spatial data support. It loads / stores Feature objects, with dedicated methods for accessing / replacing the geometry. The geometry is internally always an EWKT, but methods are provided to get / update the plain WKT or the SRID individually.

Only a single geometry column per table is supported.

Main repository methods

Method search loads all rows from the table and promotes them into an array of DataItem / Feature objects. Accepts an array of controlling parameters. Allowed params are maxResults, where (string; additional SQL where clause). FeatureType additionally supports params srid (explicit geometry output SRID) and intersect (string; (E)WKT geometry to spatially limit results).

Method count Accepts the same parameters as search, but returns only the number of matched rows.

Method getById loads one DataItem / Feature. Filters are skipped.

Methods save, insert, update perform storage. save auto-inflects to insert or update, depending on the presence of an id in the passed argument. These methods accept either DataItem / Feature objects or arrays. The affected or new row is reloaded and returned as a DataItem / Feature object.

Method delete removes the row corresponding with an id or a specific DataItem / Feature object.

Configuring repositories

Named DataStore / FeatureType repositorys can be pre-configured globally via container parameters (dataStores and featureTypes respectively), or instantiated ad hoc from a configuration array.

DataStore configuration supports the following values:

NOTE: you should not attempt placing spatial data into the "default" database containing your Doctrine entities. You will encounter errors running Doctrine schema updates.

NOTE: Both the filter setting and the where search param may use a magic placeholder :userName, which is automatically bound to the name of the user running the query.