2016-01-15 09:31:19 +01:00
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/***************************************************************************
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qgstransactiongroup.h - QgsTransactionGroup
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---------------------
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begin : 15.1.2016
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copyright : (C) 2016 by Matthias Kuhn
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email : mmatthias@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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class QgsTransactionGroup : QObject
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{
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%TypeHeaderCode
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#include "qgstransactiongroup.h"
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%End
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public:
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explicit QgsTransactionGroup( QObject *parent = 0 );
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~QgsTransactionGroup();
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/**
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* Add a layer to this transaction group.
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*
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* Will return true if it is compatible and has been added.
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*/
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bool addLayer( QgsVectorLayer* layer );
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2016-01-18 13:11:02 +01:00
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/**
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* Get the set of layers currently managed by this transaction group.
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*
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* @return Layer set
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*/
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QSet<QgsVectorLayer*> layers() const;
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/**
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* Returns true if any of the layers in this group reports a modification.
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*/
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bool modified() const;
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2016-01-15 09:31:19 +01:00
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/**
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* Return the connection string used by this transaction group.
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* Layers need be compatible when added.
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*/
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QString connString() const;
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/**
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* Return the provider key used by this transaction group.
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* Layers need be compatible when added.
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*/
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QString providerKey() const;
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/**
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* Returns true if there are no layers in this transaction group.
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*/
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bool isEmpty() const;
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signals:
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/**
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* Will be emitted whenever there is a commit error
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*/
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void commitError( const QString& msg );
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};
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