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PeterPetrikPeterPetrik
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[quick] [feature] Feature attribute panel
Allow to show feature attribute form and edit/save the modification of the attributes. Support most frequent QGIS edit widgets such as text edit, value map or external resource (photo capture)
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‎doc/qgsquick.dox

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@@ -13,6 +13,9 @@ QGIS Quick consists of a Qt plugin that provides the QML components and of a sha
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\subsection qgsquick_overview_widgets QML Classes
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\subsubsection qgsquick_overview_widgets_mapcanvas MapCanvas
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\subsubsection qgsquick_overview_widgets_featureform FeatureForm
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A form listing attributes of a given feature. It supports basic edit field widgets for types such as edit text, map value,
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check box, date/time picker or external resource (photo capture).
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\subsubsection qgsquick_overview_widgets_positionmarker PositionMarker
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The element refers to current position according gps location device connected to it. It holds information about longitude, latitude, altitude,
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direction of the movement and accuracy of the signal. See also QgsQuickPositionKit.

‎src/quickgui/CMakeLists.txt

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############################################################
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# sources
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SET(QGIS_QUICK_GUI_MOC_HDRS
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attributes/qgsquickattributeformmodel.h
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attributes/qgsquickattributeformmodelbase.h
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attributes/qgsquickattributemodel.h
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attributes/qgsquicksubmodel.h
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qgsquickfeaturelayerpair.h
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qgsquickcoordinatetransformer.h
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qgsquickfeaturehighlight.h
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)
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SET(QGIS_QUICK_GUI_SRC
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attributes/qgsquickattributeformmodel.cpp
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attributes/qgsquickattributeformmodelbase.cpp
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attributes/qgsquickattributemodel.cpp
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attributes/qgsquicksubmodel.cpp
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qgsquickfeaturelayerpair.cpp
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qgsquickcoordinatetransformer.cpp
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qgsquickfeaturehighlight.cpp
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INCLUDE_DIRECTORIES(
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${CMAKE_CURRENT_SOURCE_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}/attributes
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${CMAKE_CURRENT_BINARY_DIR}
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${CMAKE_SOURCE_DIR}/src/core

‎src/quickgui/attributes/qgsquickattributeformmodel.cpp

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/***************************************************************************
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qgsquickattributeformmodel.cpp
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--------------------------------------
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Date : 22.9.2016
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Copyright : (C) 2016 by Matthias Kuhn
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Email : matthias@opengis.ch
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "qgsquickattributeformmodel.h"
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#include "qgsquickattributeformmodelbase.h"
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QgsQuickAttributeFormModel::QgsQuickAttributeFormModel( QObject *parent )
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: QSortFilterProxyModel( parent )
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, mSourceModel( new QgsQuickAttributeFormModelBase( this ) )
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{
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setSourceModel( mSourceModel );
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connect( mSourceModel, &QgsQuickAttributeFormModelBase::hasTabsChanged, this, &QgsQuickAttributeFormModel::hasTabsChanged );
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connect( mSourceModel, &QgsQuickAttributeFormModelBase::attributeModelChanged, this, &QgsQuickAttributeFormModel::attributeModelChanged );
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connect( mSourceModel, &QgsQuickAttributeFormModelBase::constraintsValidChanged, this, &QgsQuickAttributeFormModel::constraintsValidChanged );
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}
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bool QgsQuickAttributeFormModel::hasTabs() const
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{
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return mSourceModel->hasTabs();
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}
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void QgsQuickAttributeFormModel::setHasTabs( bool hasTabs )
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{
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mSourceModel->setHasTabs( hasTabs );
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}
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QgsQuickAttributeModel *QgsQuickAttributeFormModel::attributeModel() const
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{
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return mSourceModel->attributeModel();
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}
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void QgsQuickAttributeFormModel::setAttributeModel( QgsQuickAttributeModel *attributeModel )
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{
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mSourceModel->setAttributeModel( attributeModel );
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}
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bool QgsQuickAttributeFormModel::constraintsValid() const
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{
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return mSourceModel->constraintsValid();
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}
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void QgsQuickAttributeFormModel::save()
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{
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mSourceModel->save();
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}
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void QgsQuickAttributeFormModel::create()
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{
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mSourceModel->create();
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}
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QVariant QgsQuickAttributeFormModel::attribute( const QString &name ) const
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{
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return mSourceModel->attribute( name );
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}
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bool QgsQuickAttributeFormModel::filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const
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{
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return mSourceModel->data( mSourceModel->index( source_row, 0, source_parent ), CurrentlyVisible ).toBool();
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}

‎src/quickgui/attributes/qgsquickattributeformmodel.h

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/***************************************************************************
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qgsquickattributeformmodel.h
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--------------------------------------
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Date : 22.9.2016
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Copyright : (C) 2016 by Matthias Kuhn
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Email : matthias@opengis.ch
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSQUICKATTRIBUTEFORMMODEL_H
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#define QGSQUICKATTRIBUTEFORMMODEL_H
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#include <QSortFilterProxyModel>
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#include "qgis_quick.h"
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class QgsQuickAttributeFormModelBase;
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class QgsQuickAttributeModel;
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class QVariant;
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/**
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* \ingroup quick
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* This is a model implementation for attribute form of a feature from a vector layer.
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*
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* The model is based on vector layer's edit form config (QgsEditFormConfig). It supports
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* auto-generated editor layouts and "tab" layout (layout defined with groups and tabs).
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* The form layout gets flattened into a list, each row has a bunch of roles with values
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* extracted from the edit form config.
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*
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* It also adds filtering of attribute (attributes may be visible or hidden based on expressions).
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*
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* \note QML Type: AttributeFormModel
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*
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* \since QGIS 3.4
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*/
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class QUICK_EXPORT QgsQuickAttributeFormModel : public QSortFilterProxyModel
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{
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Q_OBJECT
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//! Feature model with attributes
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Q_PROPERTY( QgsQuickAttributeModel *attributeModel READ attributeModel WRITE setAttributeModel NOTIFY attributeModelChanged )
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//! Whether use tabs layout
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Q_PROPERTY( bool hasTabs READ hasTabs WRITE setHasTabs NOTIFY hasTabsChanged )
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//! Returns true if all constraints defined on fields are satisfied with the current attribute values
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Q_PROPERTY( bool constraintsValid READ constraintsValid NOTIFY constraintsValidChanged )
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public:
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//! Feature fields's roles
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enum FeatureRoles
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{
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ElementType = Qt::UserRole + 1, //!< User role used to identify either "field" or "container" type of item
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Name, //!< Field Name
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AttributeValue, //!< Field Value
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AttributeEditable, //!< Whether is field editable
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EditorWidget, //!< Widget type to represent the data (text field, value map, ...)
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EditorWidgetConfig, //!< Widget configuration
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RememberValue, //!< Remember value (default value for next feature)
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Field, //!< Field
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FieldIndex, //!< Index
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Group, //!< Group
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AttributeEditorElement, //!< Attribute editor element
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CurrentlyVisible, //!< Field visible
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ConstraintValid, //!< Contraint valid
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ConstraintDescription //!< Contraint description
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};
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Q_ENUM( FeatureRoles )
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//! Create new attribute form model
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QgsQuickAttributeFormModel( QObject *parent = nullptr );
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//! \copydoc QgsQuickAttributeFormModel::hasTabs
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bool hasTabs() const;
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//! \copydoc QgsQuickAttributeFormModel::hasTabs
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void setHasTabs( bool hasTabs );
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//! \copydoc QgsQuickAttributeFormModel::attributeModel
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QgsQuickAttributeModel *attributeModel() const;
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//! \copydoc QgsQuickAttributeFormModel::attributeModel
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void setAttributeModel( QgsQuickAttributeModel *attributeModel );
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//! \copydoc QgsQuickAttributeFormModel::constraintsValid
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bool constraintsValid() const;
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//! Updates QgsFeature based on changes
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Q_INVOKABLE void save();
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//! Creates new QgsFeature
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Q_INVOKABLE void create();
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//! Returns attribute value with name
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Q_INVOKABLE QVariant attribute( const QString &name ) const;
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signals:
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//! \copydoc QgsQuickAttributeFormModel::attributeModel
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void attributeModelChanged();
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//! \copydoc QgsQuickAttributeFormModel::hasTabs
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void hasTabsChanged();
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//! \copydoc QgsQuickAttributeFormModel::constraintsValid
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void constraintsValidChanged();
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protected:
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virtual bool filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const override;
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private:
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QgsQuickAttributeFormModelBase *mSourceModel; //not owned
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};
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#endif // QGSQUICKATTRIBUTEFORMMODEL_H

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