mirror of
https://github.com/qgis/QGIS.git
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295 lines
7.9 KiB
Plaintext
295 lines
7.9 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/project/qgsprojectproperty.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.py again *
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************************************************************************/
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class QgsProjectProperty
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{
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%Docstring(signature="appended")
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An abstract base class for QGIS project property hierarchys.
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Each sub-class is either a :py:class:`QgsProjectPropertyKey` or
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:py:class:`QgsProjectPropertyValue`. :py:class:`QgsProjectPropertyKey`
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can contain either :py:class:`QgsProjectPropertyKey` or
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:py:class:`QgsProjectPropertyValues`, thus describing an hierarchy.
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:py:class:`QgsProjectPropertyValues` are always graph leaves.
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.. note::
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This class is used internally by :py:class:`QgsProject`. It's generally recommended that the methods in
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:py:class:`QgsProject` are used to modify project properties rather than using these low-level classes.
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%End
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%TypeHeaderCode
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#include "qgsprojectproperty.h"
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%End
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public:
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QgsProjectProperty();
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virtual ~QgsProjectProperty();
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virtual void dump( int tabs = 0 ) const = 0;
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%Docstring
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Dumps out the keys and values
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:param tabs: is number of tabs to print; used for pretty-printing
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hierarchy
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%End
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virtual bool isKey() const = 0;
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%Docstring
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Returns ``True`` if the property is a :py:class:`QgsProjectPropertyKey`.
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.. seealso:: :py:func:`isValue`
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.. seealso:: :py:func:`isLeaf`
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%End
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virtual bool isValue() const = 0;
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%Docstring
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Returns ``True`` if the property is a
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:py:class:`QgsProjectPropertyValue`.
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.. seealso:: :py:func:`isKey`
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.. seealso:: :py:func:`isLeaf`
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%End
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virtual bool isLeaf() const = 0;
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%Docstring
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Returns ``True`` if property is a leaf node.
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A leaf node is a key node that has either no value or only a single
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value. A non-leaf node would be a key node with key sub-nodes.
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This is used for :py:func:`~QgsProjectProperty.entryList` and
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:py:func:`~QgsProjectProperty.subkeyList` implementation.
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%End
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virtual bool readXml( const QDomNode &keyNode ) = 0;
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%Docstring
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Restores the property hierarchy from a specified DOM node.
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Used for restoring properties from project file
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%End
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virtual bool writeXml( const QString &nodeName,
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QDomElement &element,
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QDomDocument &document ) = 0;
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%Docstring
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Writes the property hierarchy to a specified DOM element.
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Used for saving properties to project file.
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:param nodeName: the tag name associated with this element
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:param element: the parent (or encompassing) property element
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:param document: the overall project file Dom document
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%End
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virtual QVariant value() const = 0;
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%Docstring
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Returns the node's value.
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For :py:class:`QgsProjectPropertyValue` nodes, this is straightforward
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-- just return the embedded QVariant, _value. For
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:py:class:`QgsProjectPropertyKey`, this means returning the
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:py:class:`QgsProjectPropertyValue` _value that is keyed by its name, if
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it exists; i.e., :py:class:`QgsProjectPropertyKey` "foo" will return the
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property value mapped to its name, "foo", in its QHash of QProperties.
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%End
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};
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class QgsProjectPropertyValue : QgsProjectProperty
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{
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%Docstring(signature="appended")
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Project property value node, contains a
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:py:class:`QgsProjectPropertyKey`'s value.
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%End
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%TypeHeaderCode
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#include "qgsprojectproperty.h"
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%End
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public:
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QgsProjectPropertyValue();
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QgsProjectPropertyValue( const QVariant &value );
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%Docstring
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Constructor for QgsProjectPropertyValue, initialized to a specified
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value.
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%End
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virtual bool isKey() const;
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virtual bool isValue() const;
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virtual QVariant value() const;
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virtual bool isLeaf() const;
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virtual void dump( int tabs = 0 ) const;
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virtual bool readXml( const QDomNode &keyNode );
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virtual bool writeXml( const QString &nodeName,
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QDomElement &element,
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QDomDocument &document );
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};
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class QgsProjectPropertyKey : QgsProjectProperty
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{
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%Docstring(signature="appended")
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Project property key node.
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Can, itself, contain :py:class:`QgsProjectPropertyKey` and
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:py:class:`QgsProjectPropertyValues`.
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The internal QHash, mProperties, maps key names to their respective
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:py:class:`QgsProjectPropertyValue` or next
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:py:class:`QgsProjectPropertyKey` in the key name sequence. The key with
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the current name should contain its :py:class:`QgsProjectPropertyValue`.
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E.g., given the key sequence "/foo/bar", "foo" will have a corresponding
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:py:class:`QgsProjectPropertyKey` with a name "foo". It will contain an
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element in its mProperties that maps to "bar", which is another
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:py:class:`QgsProjectPropertyKey`. The "bar"
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:py:class:`QgsProjectPropertyKey` will, in turn, have an element that
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maps to itself, i.e. "bar", that will contain a
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:py:class:`QgsProjectPropertyValue`.
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%End
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%TypeHeaderCode
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#include "qgsprojectproperty.h"
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%End
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public:
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QgsProjectPropertyKey( const QString &name = QString() );
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%Docstring
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Create a new QgsProjectPropertyKey with the specified identifier.
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%End
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~QgsProjectPropertyKey();
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QString name() const;
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%Docstring
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The name of the property is used as identifier.
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.. seealso:: :py:func:`setName`
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%End
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void setName( const QString &name );
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%Docstring
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The name of the property is used as identifier.
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.. seealso:: :py:func:`name`
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%End
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virtual QVariant value() const;
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%Docstring
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If this key has a value, it will be stored by its name in its properties
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%End
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QgsProjectPropertyKey *addKey( const QString &keyName );
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%Docstring
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Adds the specified property key as a sub-key.
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%End
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void removeKey( const QString &keyName );
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%Docstring
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Removes the specified key.
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%End
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QgsProjectPropertyValue *setValue( const QString &name, const QVariant &value );
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%Docstring
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Sets the value associated with this key.
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:param name: is the key name
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:param value: is the value to set
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:return: pointer to property value
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%End
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QgsProjectPropertyValue *setValue( const QVariant &value );
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%Docstring
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Set the value associated with this key
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.. note::
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that the single value node associated with each key is always
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stored keyed by the current key name
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%End
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virtual void dump( int tabs = 0 ) const;
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virtual bool readXml( const QDomNode &keyNode );
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virtual bool writeXml( const QString &nodeName, QDomElement &element, QDomDocument &document );
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int count() const;
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%Docstring
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Returns the number of sub-keys contained by this property.
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%End
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bool isEmpty() const;
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%Docstring
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Returns ``True`` if this property contains no sub-keys.
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%End
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virtual bool isKey() const;
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virtual bool isValue() const;
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virtual bool isLeaf() const;
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void entryList( QStringList &entries ) const;
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%Docstring
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Returns any sub-keys contained by this property that do not contain
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other keys.
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.. seealso:: :py:func:`subkeyList`
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%End
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void subkeyList( QStringList &entries ) const;
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%Docstring
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Returns any sub-keys contained by this property which themselves contain
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other keys.
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.. seealso:: :py:func:`entryList`
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%End
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virtual void clear();
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%Docstring
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Resets the property to a default, empty state.
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%End
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virtual void clearKeys();
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%Docstring
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Deletes any sub-nodes from the property.
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%End
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QgsProjectProperty *find( const QString &propertyName ) const;
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%Docstring
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Attempts to find a property with a matching sub-key name.
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%End
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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/project/qgsprojectproperty.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.py again *
|
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************************************************************************/
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