Lizmap Web Client Master

qgisVectorLayer extends qgisMapLayer
in package

Application

Give access to qgis mapLayer configuration.

Properties

$abstract : mixed: layer abstract.
$aliases : array<string, string>
$connection : null|jDbConnection
$constraints : array<string|int, string>
$datasource : mixed: layer datasource.
$dbFieldList : array<string|int, jDbFieldProperties>
$dbFieldsInfo : mixed
$dbProfile : string
$defaultValues : array<string|int, string>
$dtParams : null|object
$fields : mixed
$id : mixed: layer id in the QGIS project file.
$name : mixed: layer name.
$proj4 : mixed: layer proj4.
$project : Project|qgisProject
$provider : mixed: layer provider.
$shortname : mixed: layer short name.
$srid : mixed: layer srid.
$title : mixed: layer title.
$type : mixed: layer type.
$webDavBaseUris : mixed
$webDavFields : mixed
$wfsFields : mixed
$geometryDatatypeMap : mixed

Methods

__construct() : mixed: constructor.
canCurrentUserEdit() : bool
checkFeatureAgainstPolygonFilter() : bool: Check if the given edited feature intersects the filtering polygon for the current user.
deleteFeature() : bool|int
editableFeatures() : array<string|int, mixed>: Get the layer editable features.
getAbstract() : mixed
getAliasFields() : array<string, string>: list of aliases.
getConstraints() : array<string|int, string>: Get the QGIS constraints of the given field.
getConstraintsList() : array<string|int, string>: list of constraints.
getDatasource() : mixed
getDatasourceConnection() : jDbConnection
getDatasourceParameters() : object
getDatasourceProfile() : null|string: Give the jDb profile name for the database connection.
getDbFieldDefaultValues() : mixed
getDbFieldDistinctValues() : mixed
getDbFieldList() : array<string|int, jDbFieldProperties>
getDbFieldsInfo() : null|qgisLayerDbFieldsInfo
getDbFieldValues() : mixed
getDefaultValue() : null|string: Get the QGIS expression of the default value of the given field.
getDefaultValues() : array<string|int, string>: List of default values for each fields.
getEditionCapabilities() : null|object
getFields() : mixed
getGeometryAsSql() : mixed
getId() : mixed
getName() : mixed
getPolygonFilter() : string: Returns the sql used to filter the layer data by polygon.
getPolygonFilterExpression() : string: Returns the expression used to filter the layer data by polygon.
getPolygonFilterGeometry() : string: Returns the geometry in eWKT of the authorized polygon for this layer and the current user.
getPrimaryKeyValues() : mixed
getProj4() : mixed
getProject() : Project|qgisProject
getProvider() : mixed
getRealEditionCapabilities() : object
getShortName() : mixed
getSrid() : mixed
getTitle() : mixed
getType() : mixed
getWebDavFieldConfiguration() : mixed
getWfsFields() : mixed
getWfsTypeName() : string: Get the WFS typename for this layer.
getXmlLayer() : null|SimpleXMLElement
insertFeature() : array<string|int, mixed>
insertRelations() : array<string|int, mixed>: Link features between 2 tables by creating the needed lines in a third pivot table, for a many-to-many relation (n-m).
isEditable() : mixed
isFeatureEditable() : bool: Get the layer editable features.
linkChildren() : array<string|int, mixed>: Link features between 2 tables: one parent layer and one child layer.
unlinkChild() : mixed
updateFeature() : array<string|int, mixed>
getPkWhereClause() : mixed
requestPolygonFilter() : array<string|int, mixed>: Get the polygon filter expression and the polygon geometry eWKT representation as returned by Lizmap plugin for QGIS Server for the layer, depending on the authenticated (or not) user and groups.

$abstract

layer abstract.


    protected
        mixed
    $abstract
     = ''

$aliases


    protected
        array<string, string>
    $aliases
     = array()

list of aliases name for each fields

$connection


    protected
        null|jDbConnection
    $connection

$constraints


    protected
        array<string|int, string>
    $constraints
     = array()

list of constraints for each fields (type of contraints and if it is notNull, unique and/or expression contraint)

$datasource

layer datasource.


    protected
        mixed
    $datasource
     = ''

$dbFieldList


    protected
        array<string|int, jDbFieldProperties>
    $dbFieldList

$dbFieldsInfo


    protected
        mixed
    $dbFieldsInfo

$dbProfile


    protected
        string
    $dbProfile

the jDb profile to use for the connection

$defaultValues


    protected
        array<string|int, string>
    $defaultValues
     = array()

list of default value (as QGIS expressions) for each fields

$dtParams


    protected
        null|object
    $dtParams

connection parameters

$fields


    protected
        mixed
    $fields
     = array()

$id

layer id in the QGIS project file.


    protected
        mixed
    $id
     = ''

$name

layer name.


    protected
        mixed
    $name
     = ''

$proj4

layer proj4.


    protected
        mixed
    $proj4
     = ''

$project


    protected
        Project|qgisProject
    $project

$provider

layer provider.


    protected
        mixed
    $provider
     = ''

$shortname

layer short name.


    protected
        mixed
    $shortname
     = ''

$srid

layer srid.


    protected
        mixed
    $srid
     = 0

$title

layer title.


    protected
        mixed
    $title
     = ''

$type

layer type.


    protected
        mixed
    $type
     = 'vector'

$webDavBaseUris


    protected
        mixed
    $webDavBaseUris
     = array()

$webDavFields


    protected
        mixed
    $webDavFields
     = array()

$wfsFields


    protected
        mixed
    $wfsFields
     = array()

$geometryDatatypeMap


    private
        mixed
    $geometryDatatypeMap
     = array('point', 'linestring', 'polygon', 'multipoint', 'multilinestring', 'multipolygon', 'geometrycollection', 'geometry', 'geography')

__construct()

constructor.


    public
                    __construct(Project|qgisProject $project, array<string|int, mixed> $propLayer) : mixed

Parameters

$project : Project|qgisProject
$propLayer : array<string|int, mixed>: list of properties values

canCurrentUserEdit()


    public
                    canCurrentUserEdit() : bool

Return values

bool

checkFeatureAgainstPolygonFilter()

Check if the given edited feature intersects the filtering polygon for the current user.


    public
                    checkFeatureAgainstPolygonFilter(array<string|int, mixed> $values) : bool

If there is no filter by polygon, this method returns true.

Parameters

$values : array<string|int, mixed>: values computed from the form

Return values

bool —

false when there is a filter by polygon and the geometry is outside the polygon(s)

deleteFeature()


    public
                    deleteFeature(object $feature, null|array<string|int, mixed> $loginFilteredLayers[, null|jDbConnection $connection = null ]) : bool|int

Parameters

$feature : object

$loginFilteredLayers : null|array<string|int, mixed>

array with these keys:

where: SQL WHERE statement
type: 'groups' or 'login'
attribute: filter attribute from the layer

$connection : null|jDbConnection = null

DBConnection, if not null then the parameter conneciton is used, default value null

Return values

bool|int —

the number of affected rows. False if the query has failed.

editableFeatures()

Get the layer editable features.


    public
                    editableFeatures() : array<string|int, mixed>

Used client-side (JS) to fetch the features which are editable by the authenticated user when there is a filter by login (or by polygon). This allows to deactivate the editing icon for the non-editable features inside the popup and attribute table.

Return values

array<string|int, mixed> —

Data containing the status (restricted|unrestricted) and the features if restricted

getAbstract()


    public
                    getAbstract() : mixed

getAliasFields()

list of aliases.


    public
                    getAliasFields() : array<string, string>

Return values

array<string, string>

getConstraints()

Get the QGIS constraints of the given field.


    public
                    getConstraints(string $fieldName) : array<string|int, string>

Parameters

$fieldName : string

Return values

array<string|int, string> —

the constraints of the field

getConstraintsList()

list of constraints.


    public
                    getConstraintsList() : array<string|int, string>

Return values

array<string|int, string>

getDatasource()


    public
                    getDatasource() : mixed

getDatasourceConnection()


    public
                    getDatasourceConnection() : jDbConnection

Return values

jDbConnection

getDatasourceParameters()


    public
                    getDatasourceParameters() : object

Return values

object

getDatasourceProfile()

Give the jDb profile name for the database connection.


    public
                    getDatasourceProfile([int $timeout = 30 ][, bool $setSearchPathFromLayer = true ]) : null|string

This method is public so it can be used by custom modules. Sometimes getDatasourceConnection() is not useful, as we could need the profile to give to jDao or other components that need a profile, not a connection

Parameters

$timeout : int = 30: default timeout for the connection
$setSearchPathFromLayer : bool = true: If true, the layer schema is used to set the search_path. Default to True to keep the same behavior as did the previous version of this method.

Return values

null|string —

null if there is an issue or no connection parameters

getDbFieldDefaultValues()


    public
                    getDbFieldDefaultValues() : mixed

getDbFieldDistinctValues()


    public
                    getDbFieldDistinctValues(mixed $field) : mixed

Parameters

$field : mixed

getDbFieldList()


    public
                    getDbFieldList() : array<string|int, jDbFieldProperties>

Return values

array<string|int, jDbFieldProperties>

getDbFieldsInfo()


    public
                    getDbFieldsInfo() : null|qgisLayerDbFieldsInfo

Return values

null|qgisLayerDbFieldsInfo

getDbFieldValues()


    public
                    getDbFieldValues(mixed $feature) : mixed

Parameters

$feature : mixed

getDefaultValue()

Get the QGIS expression of the default value of the given field.


    public
                    getDefaultValue(string $fieldName) : null|string

Parameters

$fieldName : string

Return values

null|string —

null if there is no default value

getDefaultValues()

List of default values for each fields.


    public
                    getDefaultValues() : array<string|int, string>

Values are QGIS expressions or may be null when no default value is given

Return values

array<string|int, string>

getEditionCapabilities()


    public
                    getEditionCapabilities() : null|object

return the edition layer object to be compatible with external modules. It will returns the capabilities object in the future. Use getRealEditionCapabilities() for the moment.

Return values

null|object —

the edition layer object

getFields()


    public
                    getFields() : mixed

getGeometryAsSql()


    public
                    getGeometryAsSql(mixed $value) : mixed

Parameters

$value : mixed

getId()


    public
                    getId() : mixed

getName()


    public
                    getName() : mixed

getPolygonFilter()

Returns the sql used to filter the layer data by polygon.


    public
                    getPolygonFilter([bool $editing_context = false ][, int $ttl = 60 ]) : string

It is requested from Lizmap plugin and used only when querying the data directly from PostgreSQL via a SQL query. The filter is added in the WHERE clause.

Parameters

$editing_context : bool = false: If we are in a editing context or no. Default false
$ttl : int = 60: Cache TTL in seconds. Default 60. Use -1 to deactivate the cache.

Return values

string —

the expression to filter the layer by polygon

getPolygonFilterExpression()

Returns the expression used to filter the layer data by polygon.


    public
                    getPolygonFilterExpression([bool $editing_context = false ][, int $ttl = 60 ]) : string

It is requested from Lizmap plugin and used only if a filter by polygon is active.

Parameters

$editing_context : bool = false: If we are in a editing context or no. Default false
$ttl : int = 60: Cache TTL in seconds. Default 60. Use -1 to deactivate the cache.

Return values

string —

the geometry of the polygons in eWKT format

getPolygonFilterGeometry()

Returns the geometry in eWKT of the authorized polygon for this layer and the current user.


    public
                    getPolygonFilterGeometry([bool $editing_context = false ][, int $ttl = 60 ]) : string

It is requested from Lizmap plugin and used only if a filter by polygon is active.

Parameters

$editing_context : bool = false: If we are in a editing context or no. Default false
$ttl : int = 60: Cache TTL in seconds. Default 60. Use -1 to deactivate the cache.

Return values

string —

the geometry of the polygons in eWKT format

getPrimaryKeyValues()


    public
                    getPrimaryKeyValues(mixed $feature) : mixed

Parameters

$feature : mixed

getProj4()


    public
                    getProj4() : mixed

getProject()


    public
                    getProject() : Project|qgisProject

Return values

Project|qgisProject

getProvider()


    public
                    getProvider() : mixed

getRealEditionCapabilities()


    public
                    getRealEditionCapabilities() : object

Return values

object —

the capabilities object

getShortName()


    public
                    getShortName() : mixed

getSrid()


    public
                    getSrid() : mixed

getTitle()


    public
                    getTitle() : mixed

getType()


    public
                    getType() : mixed

getWebDavFieldConfiguration()


    public
                    getWebDavFieldConfiguration() : mixed

getWfsFields()


    public
                    getWfsFields() : mixed

getWfsTypeName()

Get the WFS typename for this layer.


    public
                    getWfsTypeName() : string

We need to get either the shortname or the layer name and replace all spaces by underscore

Return values

string —

The WFS typename of the layer

getXmlLayer()


    public
                    getXmlLayer() : null|SimpleXMLElement

Return values

null|SimpleXMLElement

insertFeature()


    public
                    insertFeature(array<string|int, mixed> $values) : array<string|int, mixed>

Parameters

$values : array<string|int, mixed>

Return values

array<string|int, mixed> —

list of primary keys with their values

insertRelations()

Link features between 2 tables by creating the needed lines in a third pivot table, for a many-to-many relation (n-m).


    public
                    insertRelations(string $foreign_key_column_a, array<string|int, mixed> $parent_a_ids, string $foreign_key_column_b, array<string|int, mixed> $parent_b_ids) : array<string|int, mixed>

It runs one ore many SQL queries concerning the pivot layer table to insert the needed line(s): INSERT INTO pivot_table ("foreign_key_column_a" , "foreign_key_column_b") SELECT parent_a_id_value, parent_b_id_value WHERE NOT EXISTS ( SELECT "foreign_key_column_a" , "foreign_key_column_b" FROM pivot_table WHERE "foreign_key_column_a" = parent_a_id_value AND "foreign_key_column_b" = parent_b_id_value );

Parameters

$foreign_key_column_a : string: name of the foreign key column referencing the parent A in the pivot table
$parent_a_ids : array<string|int, mixed>: values of the ids of the selected features of the parent table A
$foreign_key_column_b : string: name of the foreign key column referencing the parent B in the pivot table
$parent_b_ids : array<string|int, mixed>: values of the ids of the selected features of the parent table B

Return values

array<string|int, mixed> —

Results of the SQL INSERT queries

isEditable()


    public
                    isEditable() : mixed

isFeatureEditable()

Get the layer editable features.


    public
                    isFeatureEditable(mixed $feature) : bool

Parameters

$feature : mixed

Return values

bool —

Data containing the status (restricted|unrestricted) and the features if restricted

linkChildren()

Link features between 2 tables: one parent layer and one child layer.


    public
                    linkChildren(string $foreign_key_column, int $parent_id_value, string $child_pkey_column, array<string|int, mixed> $child_ids) : array<string|int, mixed>

It runs a SQL query concerning the child layer table: UPDATE child_table SET foreign_key_column = parent_id_value WHERE child_pkey_column = child_id;

Parameters

$foreign_key_column : string: name of the foreign key column in the child layer we need in the update SET
$parent_id_value : int: id value of the parent layer feature (only one ID allowed) used in the SET
$child_pkey_column : string: name of the primary key column in the child layer, used in the WHERE clause
$child_ids : array<string|int, mixed>: Primary key values of the child features to be linked. More than one allowed

Return values

array<string|int, mixed> —

Results of the SQL UPDATE queries

unlinkChild()


    public
                    unlinkChild(mixed $fkey, mixed $pkey, mixed $pval) : mixed

Parameters

$fkey : mixed
$pkey : mixed
$pval : mixed

updateFeature()


    public
                    updateFeature(object $feature, array<string|int, mixed> $values, null|array<string|int, mixed> $loginFilteredLayers) : array<string|int, mixed>

Parameters

$feature : object

$values : array<string|int, mixed>

$loginFilteredLayers : null|array<string|int, mixed>

array with these keys:

where: SQL WHERE statement
type: 'groups' or 'login'
attribute: filter attribute from the layer

Return values

array<string|int, mixed> —

list of primary keys with their values

getPkWhereClause()


    protected
                    getPkWhereClause(qgisLayerDbFieldsInfo $dbFieldsInfo, object $feature) : mixed

Parameters

$dbFieldsInfo : qgisLayerDbFieldsInfo
$feature : object

requestPolygonFilter()

Get the polygon filter expression and the polygon geometry eWKT representation as returned by Lizmap plugin for QGIS Server for the layer, depending on the authenticated (or not) user and groups.


    protected
                    requestPolygonFilter([bool $editing_context = false ][, int $ttl = 60 ][, bool $get_expression = false ][, bool $use_cache = true ]) : array<string|int, mixed>

The filter expression will be used to filter the layer data by polygon. The geometry eWKT representation to check that the edited features intersects the polygon.

This is used only when querying the data directly from PostgreSQL via a SQL query (for WFS or in the editing related classes). For example, the filter is added in the WHERE clause when needed.

Parameters

$editing_context : bool = false: If we are in a editing context or no. Default false
$ttl : int = 60: Cache TTL in seconds. Default 60. Use -1 to deactivate the cache.
$get_expression : bool = false: If we need the expression and not the SQL
$use_cache : bool = true: If we need to not use cache

Return values

array<string|int, mixed> —

associative array containing the keys 'expression' and 'polygon'

qgisVectorLayer extends qgisMapLayer in package Application

Tags

Table of Contents

Properties

Methods

Properties

$abstract

$aliases

$connection

$constraints

$datasource

$dbFieldList

$dbFieldsInfo

$dbProfile

$defaultValues

$dtParams

$fields

$id

$name

$proj4

$project

$provider

$shortname

$srid

$title

$type

$webDavBaseUris

$webDavFields

$wfsFields

$geometryDatatypeMap

Methods

__construct()

Parameters

canCurrentUserEdit()

Return values

checkFeatureAgainstPolygonFilter()

Parameters

Tags

Return values

deleteFeature()

Parameters

Tags

Return values

editableFeatures()

Return values

getAbstract()

getAliasFields()

Return values

getConstraints()

Parameters

Return values

getConstraintsList()

Return values

getDatasource()

getDatasourceConnection()

Tags

Return values

getDatasourceParameters()

Return values

getDatasourceProfile()

Parameters

Tags

Return values

getDbFieldDefaultValues()

getDbFieldDistinctValues()

Parameters

getDbFieldList()

Return values

getDbFieldsInfo()

Return values

getDbFieldValues()

Parameters

getDefaultValue()

Parameters

Return values

getDefaultValues()

Return values

getEditionCapabilities()

Tags

Return values

qgisVectorLayer extends qgisMapLayer
in package

Application