QGIS/python/gui/qgsexpressionbuilderwidget.sip
Nyall Dawson 917263a9a3 Allow setting project for QgsExpressionBuilderWidget
(still defaults to QgsProject::instance())
2017-07-31 08:18:09 +10:00

309 lines
8.6 KiB
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/************************************************************************
* This file has been generated automatically from *
* *
* src/gui/qgsexpressionbuilderwidget.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/
class QgsExpressionItem : QStandardItem
{
%Docstring
An expression item that can be used in the QgsExpressionBuilderWidget tree.
%End
%TypeHeaderCode
#include "qgsexpressionbuilderwidget.h"
%End
public:
enum ItemType
{
Header,
Field,
ExpressionNode
};
QgsExpressionItem( const QString &label,
const QString &expressionText,
const QString &helpText,
QgsExpressionItem::ItemType itemType = ExpressionNode );
QgsExpressionItem( const QString &label,
const QString &expressionText,
QgsExpressionItem::ItemType itemType = ExpressionNode );
QString getExpressionText() const;
%Docstring
:rtype: str
%End
QString getHelpText() const;
%Docstring
Get the help text that is associated with this expression item.
:return: The help text.
:rtype: str
%End
void setHelpText( const QString &helpText );
%Docstring
Set the help text for the current item
.. note::
The help text can be set as a html string.
%End
QgsExpressionItem::ItemType getItemType() const;
%Docstring
Get the type of expression item, e.g., header, field, ExpressionNode.
:return: The QgsExpressionItem.ItemType
:rtype: QgsExpressionItem.ItemType
%End
static const int CUSTOM_SORT_ROLE;
%Docstring
Custom sort order role
%End
static const int ITEM_TYPE_ROLE;
%Docstring
Item type role
%End
};
class QgsExpressionItemSearchProxy : QSortFilterProxyModel
{
%Docstring
Search proxy used to filter the QgsExpressionBuilderWidget tree.
The default search for a tree model only searches top level this will handle one
level down
%End
%TypeHeaderCode
#include "qgsexpressionbuilderwidget.h"
%End
public:
QgsExpressionItemSearchProxy();
virtual bool filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const;
protected:
virtual bool lessThan( const QModelIndex &left, const QModelIndex &right ) const;
};
class QgsExpressionBuilderWidget : QWidget
{
%Docstring
A reusable widget that can be used to build a expression string.
See QgsExpressionBuilderDialog for example of usage.
%End
%TypeHeaderCode
#include "qgsexpressionbuilderwidget.h"
%End
public:
QgsExpressionBuilderWidget( QWidget *parent /TransferThis/ = 0 );
%Docstring
Create a new expression builder widget with an optional parent.
%End
~QgsExpressionBuilderWidget();
void setLayer( QgsVectorLayer *layer );
%Docstring
Sets layer in order to get the fields and values
.. note::
this needs to be called before calling loadFieldNames().
%End
void loadFieldNames();
%Docstring
Loads all the field names from the layer.
@remarks Should this really be public couldn't we just do this for the user?
%End
void loadFieldNames( const QgsFields &fields );
void loadFieldsAndValues( const QMap<QString, QStringList> &fieldValues );
%Docstring
Loads field names and values from the specified map.
.. note::
The field values must be quoted appropriately if they are strings.
.. versionadded:: 2.12
%End
void setGeomCalculator( const QgsDistanceArea &da );
%Docstring
Sets geometry calculator used in distance/area calculations.
%End
QString expressionText();
%Docstring
Gets the expression string that has been set in the expression area.
:return: The expression as a string. *
:rtype: str
%End
void setExpressionText( const QString &expression );
%Docstring
Sets the expression string for the widget
%End
QgsExpressionContext expressionContext() const;
%Docstring
Returns the expression context for the widget. The context is used for the expression
preview result and for populating the list of available functions and variables.
.. seealso:: setExpressionContext
.. versionadded:: 2.12
:rtype: QgsExpressionContext
%End
void setExpressionContext( const QgsExpressionContext &context );
%Docstring
Sets the expression context for the widget. The context is used for the expression
preview result and for populating the list of available functions and variables.
\param context expression context
.. seealso:: expressionContext
.. versionadded:: 2.12
%End
void registerItem( const QString &group, const QString &label, const QString &expressionText,
const QString &helpText = "",
QgsExpressionItem::ItemType type = QgsExpressionItem::ExpressionNode,
bool highlightedItem = false, int sortOrder = 1 );
%Docstring
Registers a node item for the expression builder.
\param group The group the item will be show in the tree view. If the group doesn't exsit it will be created.
\param label The label that is show to the user for the item in the tree.
\param expressionText The text that is inserted into the expression area when the user double clicks on the item.
\param helpText The help text that the user will see when item is selected.
\param type The type of the expression item.
\param highlightedItem set to true to make the item highlighted, which inserts a bold copy of the item at the top level
\param sortOrder sort ranking for item
%End
bool isExpressionValid();
%Docstring
:rtype: bool
%End
void saveToRecent( const QString &collection = "generic" );
%Docstring
Adds the current expression to the given collection.
By default it is saved to the collection "generic".
%End
void loadRecent( const QString &collection = "generic" );
%Docstring
Loads the recent expressions from the given collection.
By default it is loaded from the collection "generic".
%End
void newFunctionFile( const QString &fileName = "scratch" );
%Docstring
Create a new file in the function editor
%End
void saveFunctionFile( QString fileName );
%Docstring
Save the current function editor text to the given file.
%End
void loadCodeFromFile( QString path );
%Docstring
Load code from the given file into the function editor
%End
void loadFunctionCode( const QString &code );
%Docstring
Load code into the function editor
%End
void updateFunctionFileList( const QString &path );
%Docstring
Update the list of function files found at the given path
%End
QStandardItemModel *model();
%Docstring
Returns a pointer to the dialog's function item model.
This method is exposed for testing purposes only - it should not be used to modify the model.
.. versionadded:: 3.0
:rtype: QStandardItemModel
%End
QgsProject *project();
%Docstring
Returns the project currently associated with the widget.
.. seealso:: setProject()
.. versionadded:: 3.0
:rtype: QgsProject
%End
void setProject( QgsProject *project );
%Docstring
Sets the ``project`` currently associated with the widget. This
controls which layers and relations and other project-specific items are shown in the widget.
.. seealso:: project()
.. versionadded:: 3.0
%End
public slots:
void loadSampleValues();
%Docstring
Load sample values into the sample value area
%End
void loadAllValues();
%Docstring
Load all unique values from the set layer into the sample area
%End
void autosave();
%Docstring
Auto save the current Python function code.
%End
void setAutoSave( bool enabled );
%Docstring
Enabled or disable auto saving. When enabled Python scripts will be auto saved
when text changes.
\param enabled True to enable auto saving.
%End
signals:
void expressionParsed( bool isValid );
%Docstring
Emitted when the user changes the expression in the widget.
Users of this widget should connect to this signal to decide if to let the user
continue.
\param isValid Is true if the expression the user has typed is valid.
%End
protected:
void showEvent( QShowEvent *e );
};
/************************************************************************
* This file has been generated automatically from *
* *
* src/gui/qgsexpressionbuilderwidget.h *
* *
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
************************************************************************/