QGIS API Documentation  3.2.0-Bonn (bc43194)
Public Member Functions | Static Public Member Functions | List of all members
QgsDataCollectionItem Class Reference

A Collection: logical collection of layers or subcollections, e.g. More...

#include <qgsdataitem.h>

Inheritance diagram for QgsDataCollectionItem:
Inheritance graph

Public Member Functions

 QgsDataCollectionItem (QgsDataItem *parent, const QString &name, const QString &path=QString())
 ~QgsDataCollectionItem () override
void addChild (QgsDataItem *item)
- Public Member Functions inherited from QgsDataItem
 QgsDataItem (QgsDataItem::Type type, QgsDataItem *parent, const QString &name, const QString &path)
 Create new data item. More...
 ~QgsDataItem () override
virtual bool acceptDrop ()
 Returns whether the item accepts drag and dropped layers - e.g. More...
virtual QList< QAction * > actions (QWidget *parent)
 Returns the list of actions available for this item. More...
virtual void addChildItem (QgsDataItem *child, bool refresh=false)
 Inserts a new child item. More...
virtual Capabilities capabilities2 () const
QVector< QgsDataItem * > children () const
virtual QVector< QgsDataItem * > createChildren ()
 Create children. More...
virtual void deleteChildItem (QgsDataItem *child)
 Removes and deletes a child item, emitting relevant signals to the model. More...
virtual bool equal (const QgsDataItem *other)
 Returns true if this item is equal to another item (by testing item type and path). More...
virtual bool handleDoubleClick ()
 Called when a user double clicks on the item. More...
virtual bool handleDrop (const QMimeData *, Qt::DropAction)
 Attempts to process the mime data dropped on this item. More...
bool hasChildren ()
virtual bool hasDragEnabled () const
 Returns true if the item may be dragged. More...
virtual QIcon icon ()
virtual QList< QMenu * > menus (QWidget *parent)
 Returns the list of menus available for this item. More...
virtual QgsMimeDataUtils::Uri mimeUri () const
 Returns mime URI for the data item. More...
void moveToThread (QThread *targetThread)
 Move object and all its descendants to thread. More...
QString name () const
 Returns the name of the item (the displayed text for the item). More...
virtual QWidget * paramWidget ()
QgsDataItemparent () const
 Gets item parent. More...
QString path () const
virtual QgsDataItemremoveChildItem (QgsDataItem *child)
 Removes a child item and returns it without deleting it. More...
int rowCount ()
virtual void setCapabilities (Capabilities capabilities)
 Sets the capabilities for the data item. More...
virtual bool setCrs (const QgsCoordinateReferenceSystem &crs)
 Writes the selected crs into data source. More...
void setIcon (const QIcon &icon)
void setIconName (const QString &iconName)
void setName (const QString &name)
 Sets the name of the item (the displayed text for the item). More...
void setParent (QgsDataItem *parent)
 Set item parent and connect / disconnect parent to / from item signals. More...
void setPath (const QString &path)
void setSortKey (const QVariant &key)
 Sets a custom sorting key for the item. More...
virtual void setState (State state)
 Set item state. More...
void setToolTip (const QString &msg)
virtual QVariant sortKey () const
 Returns the sorting key for the item. More...
State state () const
QString toolTip () const
Type type () const

Static Public Member Functions

static QIcon iconDataCollection ()
static QIcon iconDir ()
- Static Public Member Functions inherited from QgsDataItem
static void deleteLater (QVector< QgsDataItem *> &items)
static int findItem (QVector< QgsDataItem *> items, QgsDataItem *item)
static QString pathComponent (const QString &component)
 Create path component replacing path separators. More...

Additional Inherited Members

- Public Types inherited from QgsDataItem
enum  Capability {
  NoCapabilities = 0, SetCrs = 1 << 0, Fertile = 1 << 1, Fast = 1 << 2,
  Collapse = 1 << 3
enum  State { NotPopulated, Populating, Populated }
enum  Type {
  Collection, Directory, Layer, Error,
  Favorites, Project, Custom
- Public Slots inherited from QgsDataItem
virtual void childrenCreated ()
virtual void deleteLater ()
 Safely delete the item: More...
virtual void depopulate ()
 Remove children recursively and set as not populated. This is used when refreshing collapsed items. More...
virtual void populate (bool foreground=false)
virtual void refresh ()
virtual void refreshConnections ()
 Refresh connections: update GUI and emit signal. More...
- Signals inherited from QgsDataItem
void beginInsertItems (QgsDataItem *parent, int first, int last)
void beginRemoveItems (QgsDataItem *parent, int first, int last)
void connectionsChanged ()
 Emitted when the provider's connections of the child items have changed This signal is normally forwarded to the app in order to refresh the connection item in the provider dialogs and to refresh the connection items in the other open browsers. More...
void dataChanged (QgsDataItem *item)
void endInsertItems ()
void endRemoveItems ()
void stateChanged (QgsDataItem *item, QgsDataItem::State oldState)
- Protected Slots inherited from QgsDataItem
void updateIcon ()
 Will request a repaint of this icon. More...
- Protected Member Functions inherited from QgsDataItem
bool deferredDelete ()
 The item is scheduled to be deleted. More...
virtual void populate (const QVector< QgsDataItem *> &children)
virtual void refresh (const QVector< QgsDataItem *> &children)
 Refresh the items from a specified list of child items. More...
- Protected Attributes inherited from QgsDataItem
Capabilities mCapabilities
QVector< QgsDataItem * > mChildren
QIcon mIcon
QMap< QString, QIcon > mIconMap
QString mIconName
QString mName
QgsDataItemmParent = nullptr
QString mPath
QVariant mSortKey
 Custom sort key. If invalid, name() will be used for sorting instead. More...
State mState
QString mToolTip
Type mType

Detailed Description

A Collection: logical collection of layers or subcollections, e.g.

GRASS location/mapset, database? wms source?

Definition at line 514 of file qgsdataitem.h.

Constructor & Destructor Documentation

◆ QgsDataCollectionItem()

QgsDataCollectionItem::QgsDataCollectionItem ( QgsDataItem parent,
const QString &  name,
const QString &  path = QString() 

Definition at line 701 of file qgsdataitem.cpp.

◆ ~QgsDataCollectionItem()

QgsDataCollectionItem::~QgsDataCollectionItem ( )

Definition at line 708 of file qgsdataitem.cpp.

Member Function Documentation

◆ addChild()

void QgsDataCollectionItem::addChild ( QgsDataItem item)

Definition at line 521 of file qgsdataitem.h.

◆ iconDataCollection()

QIcon QgsDataCollectionItem::iconDataCollection ( )

Definition at line 87 of file qgsdataitem.cpp.

◆ iconDir()

QIcon QgsDataCollectionItem::iconDir ( )

Definition at line 92 of file qgsdataitem.cpp.

The documentation for this class was generated from the following files: