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130 lines
3.6 KiB
Plaintext
130 lines
3.6 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/gui/qgsexpressionpreviewwidget.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 QgsExpressionPreviewWidget : QWidget
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{
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%Docstring
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QgsExpressionPreviewWidget is a widget to preview an expression result.
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If the layer is set, one can browse across features to see the different outputs.
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.. versionadded:: 3.14
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%End
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%TypeHeaderCode
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#include "qgsexpressionpreviewwidget.h"
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%End
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public:
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explicit QgsExpressionPreviewWidget( QWidget *parent = 0 );
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%Docstring
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Constructor
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%End
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void setLayer( QgsVectorLayer *layer );
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%Docstring
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Sets the layer used in the preview
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%End
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void setExpressionText( const QString &expression );
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%Docstring
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Sets the expression
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%End
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QgsExpressionContext expressionContext() const;
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%Docstring
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Returns the expression context for the widget. The context is used for the expression
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preview result and for populating the list of available functions and variables.
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.. seealso:: :py:func:`setExpressionContext`
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%End
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void setExpressionContext( const QgsExpressionContext &context );
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%Docstring
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Sets the expression context for the widget. The context is used for the expression
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preview result and to populate the list of available functions and variables.
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:param context: expression context
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%End
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void setGeomCalculator( const QgsDistanceArea &da );
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%Docstring
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Sets geometry calculator used in distance/area calculations.
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%End
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bool evalError() const;
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%Docstring
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Will be set to ``True`` if the current expression text reported an eval error
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with the context.
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%End
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bool parserError() const;
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%Docstring
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Will be set to ``True`` if the current expression text reports a parser error
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with the context.
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%End
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const QgsExpressionNode *rootNode() const;
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%Docstring
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Returns the root node of the expression
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%End
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QList<QgsExpression::ParserError> parserErrors() const;
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%Docstring
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Returns the expression parser erros
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%End
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signals:
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void expressionParsed( bool isValid );
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%Docstring
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Emitted when the user changes the expression in the widget.
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Users of this widget should connect to this signal to decide if to let the user
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continue.
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:param isValid: Is ``True`` if the expression the user has typed is valid.
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%End
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void evalErrorChanged();
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%Docstring
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Will be set to ``True`` if the current expression text reported an eval error
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with the context.
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%End
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void parserErrorChanged();
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%Docstring
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Will be set to ``True`` if the current expression text reported a parser error
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with the context.
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%End
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void toolTipChanged( const QString &toolTip );
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%Docstring
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Emitted whenever the tool tip changed
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%End
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public slots:
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void setCurrentFeature( const QgsFeature &feature );
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%Docstring
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sets the current feature used
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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/gui/qgsexpressionpreviewwidget.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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