mirror of
https://github.com/qgis/QGIS.git
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316 lines
8.0 KiB
Plaintext
316 lines
8.0 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgsrulebasedlabeling.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsRuleBasedLabeling : QgsAbstractVectorLayerLabeling
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{
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%Docstring
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.. versionadded:: 3.0
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%End
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%TypeHeaderCode
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#include "qgsrulebasedlabeling.h"
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%End
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public:
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typedef QList<QgsRuleBasedLabeling::Rule *> RuleList;
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typedef QMap<QgsRuleBasedLabeling::Rule *, QgsVectorLayerLabelProvider *> RuleToProviderMap;
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class Rule
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{
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%Docstring
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.. versionadded:: 3.0
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%End
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%TypeHeaderCode
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#include "qgsrulebasedlabeling.h"
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%End
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public:
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Rule( QgsPalLayerSettings *settings /Transfer/, int maximumScale = 0, int minimumScale = 0, const QString &filterExp = QString(), const QString &description = QString(), bool elseRule = false );
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%Docstring
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takes ownership of settings
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%End
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~Rule();
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enum RegisterResult
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{
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Filtered,
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Inactive,
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Registered
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};
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QgsPalLayerSettings *settings() const;
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%Docstring
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Get the labeling settings. May return a null pointer.
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%End
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bool dependsOnScale() const;
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%Docstring
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Determines if scale based labeling is active
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:return: True if scale based labeling is active
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%End
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double maximumScale() const;
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%Docstring
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Returns the maximum map scale (i.e. most "zoomed in" scale) at which the label rule will be active.
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The scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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A scale of 0 indicates no maximum scale visibility.
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.. seealso:: :py:func:`minimumScale`
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.. seealso:: :py:func:`setMaximumScale`
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.. versionadded:: 3.0
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%End
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double minimumScale() const;
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%Docstring
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Returns the minimum map scale (i.e. most "zoomed out" scale) at which the label rule will be active.
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The scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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A scale of 0 indicates no minimum scale visibility.
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.. seealso:: :py:func:`maximumScale`
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.. seealso:: :py:func:`setMinimumScale`
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.. versionadded:: 3.0
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%End
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QString filterExpression() const;
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%Docstring
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A filter that will check if this rule applies
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:return: An expression
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%End
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QString description() const;
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%Docstring
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A human readable description for this rule
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:return: Description
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%End
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bool active() const;
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%Docstring
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Returns if this rule is active
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:return: True if the rule is active
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%End
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bool isElse() const;
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%Docstring
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Check if this rule is an ELSE rule
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:return: True if this rule is an else rule
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%End
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QString ruleKey() const;
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%Docstring
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Unique rule identifier (for identification of rule within labeling, used as provider ID)
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%End
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void setSettings( QgsPalLayerSettings *settings /Transfer/ );
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%Docstring
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set new settings (or NULL). Deletes old settings if any.
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%End
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void setMinimumScale( double scale );
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%Docstring
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Sets the minimum map ``scale`` (i.e. most "zoomed out" scale) at which the label rule will be active.
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The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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A ``scale`` of 0 indicates no minimum scale visibility.
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.. seealso:: :py:func:`minimumScale`
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.. seealso:: :py:func:`setMaximumScale`
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%End
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void setMaximumScale( double scale );
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%Docstring
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Sets the maximum map ``scale`` (i.e. most "zoomed in" scale) at which the rule will be active.
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The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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A ``scale`` of 0 indicates no maximum scale visibility.
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.. seealso:: :py:func:`maximumScale`
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.. seealso:: :py:func:`setMinimumScale`
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%End
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void setFilterExpression( const QString &filterExp );
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%Docstring
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Set the expression used to check if a given feature shall be rendered with this rule
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:param filterExp: An expression
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%End
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void setDescription( const QString &description );
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%Docstring
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Set a human readable description for this rule
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:param description: Description
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%End
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void setActive( bool state );
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%Docstring
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Sets if this rule is active
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:param state: Determines if the rule should be activated or deactivated
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%End
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void setIsElse( bool iselse );
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%Docstring
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Sets if this rule is an ELSE rule
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:param iselse: If true, this rule is an ELSE rule
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%End
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void setRuleKey( const QString &key );
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%Docstring
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Override the assigned rule key (should be used just internally by rule-based labeling)
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%End
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const QgsRuleBasedLabeling::RuleList &children() const;
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%Docstring
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Return all children rules of this rule
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:return: A list of rules
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%End
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QgsRuleBasedLabeling::RuleList descendants() const;
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%Docstring
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Returns all children, grand-children, grand-grand-children, grand-gra... you get it
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:return: A list of descendant rules
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%End
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QgsRuleBasedLabeling::Rule *parent();
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%Docstring
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The parent rule
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:return: Parent rule
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%End
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void appendChild( QgsRuleBasedLabeling::Rule *rule /Transfer/ );
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%Docstring
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add child rule, take ownership, sets this as parent
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%End
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void insertChild( int i, QgsRuleBasedLabeling::Rule *rule /Transfer/ );
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%Docstring
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add child rule, take ownership, sets this as parent
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%End
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void removeChildAt( int i );
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%Docstring
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delete child rule
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%End
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const QgsRuleBasedLabeling::Rule *findRuleByKey( const QString &key ) const;
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%Docstring
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Try to find a rule given its unique key
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%End
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QgsRuleBasedLabeling::Rule *clone() const /Factory/;
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%Docstring
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clone this rule, return new instance
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%End
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static QgsRuleBasedLabeling::Rule *create( const QDomElement &ruleElem, const QgsReadWriteContext &context ) /Factory/;
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%Docstring
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Create a rule from an XML definition
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:param ruleElem: The XML rule element
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:param context: reading context
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:return: A new rule
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%End
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QDomElement save( QDomDocument &doc, const QgsReadWriteContext &context ) const;
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%Docstring
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store labeling info to XML element
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%End
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bool requiresAdvancedEffects() const;
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%Docstring
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Returns true if this rule or any of its children requires advanced composition effects
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to render.
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%End
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private:
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Rule( const QgsRuleBasedLabeling::Rule &rh );
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};
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explicit QgsRuleBasedLabeling( QgsRuleBasedLabeling::Rule *root /Transfer/ );
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%Docstring
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Constructs the labeling from given tree of rules (takes ownership)
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%End
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~QgsRuleBasedLabeling();
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QgsRuleBasedLabeling::Rule *rootRule();
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static QgsRuleBasedLabeling *create( const QDomElement &element, const QgsReadWriteContext &context ) /Factory/;
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%Docstring
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Create the instance from a DOM element with saved configuration
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%End
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virtual QString type() const;
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virtual QgsRuleBasedLabeling *clone() const /Factory/;
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virtual QDomElement save( QDomDocument &doc, const QgsReadWriteContext &context ) const;
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virtual QStringList subProviders() const;
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virtual QgsPalLayerSettings settings( const QString &providerId = QString() ) const;
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virtual void setSettings( QgsPalLayerSettings *settings /Transfer/, const QString &providerId = QString() );
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%Docstring
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Set pal settings for a specific provider (takes ownership).
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:param settings: Pal layer settings
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:param providerId: The id of the provider
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.. versionadded:: 3.0
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%End
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virtual bool requiresAdvancedEffects() const;
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virtual void toSld( QDomNode &parent, const QgsStringMap &props ) const;
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protected:
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
|
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* src/core/qgsrulebasedlabeling.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
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