QGIS API Documentation
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src
gui
qgsdataitemguiprovider.h
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/***************************************************************************
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qgsdataitemguiprovider.h
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--------------------------------------
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Date : October 2018
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Copyright : (C) 2018 by Nyall Dawson
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Email : nyall dot dawson at gmail dot com
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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 QGSDATAITEMGUIPROVIDER_H
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#define QGSDATAITEMGUIPROVIDER_H
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#include "qgis_gui.h"
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#include "
qgis_sip.h
"
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#include "
qgis.h
"
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#include <QList>
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#include <QWidget>
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#include <QMimeData>
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#include <QString>
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#include <QMenu>
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class
QgsDataItem
;
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class
QgsMessageBar
;
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class
QgsLayerItem
;
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class
QgsBrowserTreeView
;
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class
GUI_EXPORT
QgsDataItemGuiContext
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{
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public
:
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QgsDataItemGuiContext
() =
default
;
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QgsMessageBar
*messageBar()
const
;
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void
setMessageBar(
QgsMessageBar
*bar );
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QgsBrowserTreeView
*view()
const
;
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void
setView(
QgsBrowserTreeView
*view );
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private
:
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QgsMessageBar
*mMessageBar =
nullptr
;
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QgsBrowserTreeView
*mView =
nullptr
;
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};
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Q_DECLARE_METATYPE
(
QgsDataItemGuiContext
);
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class
GUI_EXPORT
QgsDataItemGuiProvider
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{
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public
:
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virtual
~QgsDataItemGuiProvider
() =
default
;
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virtual
QString
name
() = 0;
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virtual
void
populateContextMenu(
QgsDataItem
*item, QMenu *menu,
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const
QList<QgsDataItem *> &selectedItems,
QgsDataItemGuiContext
context );
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virtual
int
precedenceWhenPopulatingMenus()
const
;
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virtual
bool
rename(
QgsDataItem
*item,
const
QString &name,
QgsDataItemGuiContext
context );
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virtual
bool
deleteLayer(
QgsLayerItem
*item,
QgsDataItemGuiContext
context );
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virtual
bool
handleDoubleClick(
QgsDataItem
*item,
QgsDataItemGuiContext
context );
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virtual
bool
acceptDrop(
QgsDataItem
*item,
QgsDataItemGuiContext
context );
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virtual
bool
handleDrop(
QgsDataItem
*item,
QgsDataItemGuiContext
context,
const
QMimeData *data, Qt::DropAction action );
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virtual
QWidget *createParamWidget(
QgsDataItem
*item,
QgsDataItemGuiContext
context )
SIP_FACTORY
;
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static
void
notify(
const
QString &title,
const
QString &message,
QgsDataItemGuiContext
context,
Qgis::MessageLevel
level =
Qgis::MessageLevel::Info
,
int
duration = -1, QWidget *parent =
nullptr
);
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};
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#endif
// QGSDATAITEMGUIPROVIDER_H
Qgis::MessageLevel
MessageLevel
Level for messages This will be used both for message log and message bar in application.
Definition
qgis.h:154
Qgis::Info
@ Info
Information message.
Definition
qgis.h:155
QgsBrowserTreeView
The QgsBrowserTreeView class extends QTreeView with save/restore tree state functionality.
Definition
qgsbrowsertreeview.h:40
QgsDataItemGuiContext
Encapsulates the context in which a QgsDataItem is shown within the application GUI.
Definition
qgsdataitemguiprovider.h:42
QgsDataItemGuiContext::QgsDataItemGuiContext
QgsDataItemGuiContext()=default
QgsDataItemGuiProvider
Abstract base class for providers which affect how QgsDataItem items behave within the application GU...
Definition
qgsdataitemguiprovider.h:102
QgsDataItemGuiProvider::~QgsDataItemGuiProvider
virtual ~QgsDataItemGuiProvider()=default
QgsDataItemGuiProvider::name
virtual QString name()=0
Returns the provider's name.
QgsDataItem
Base class for all items in the model.
Definition
qgsdataitem.h:46
QgsLayerItem
Item that represents a layer that can be opened with one of the providers.
Definition
qgslayeritem.h:31
QgsMessageBar
A bar for displaying non-blocking messages to the user.
Definition
qgsmessagebar.h:61
qgis.h
qgis_sip.h
SIP_FACTORY
#define SIP_FACTORY
Definition
qgis_sip.h:76
Q_DECLARE_METATYPE
Q_DECLARE_METATYPE(QgsDataItemGuiContext)
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