A layer field item, information about the connection URI, the schema and the table as well as the layer instance the field belongs to can be retrieved from the parent QgsFieldsItem object. More...
#include <qgsdataitem.h>
Inheritance diagram for QgsFieldItem:
Public Member Functions | |
| QgsFieldItem (QgsDataItem *parent, const QgsField &field) | |
| Constructor for QgsFieldItem, with the specified parent item and field. More... | |
| ~QgsFieldItem () override | |
| QIcon | icon () override |
 Public Member Functions inherited from QgsDataItem | |
| QgsDataItem (QgsDataItem::Type type, QgsDataItem *parent, const QString &name, const QString &path, const QString &providerKey=QString()) | |
| Constructor for QgsDataItem, with the specified parent item. More... | |
| ~QgsDataItem () override | |
| virtual Q_DECL_DEPRECATED 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 |
| Returns the capabilities for the data item. More... | |
| 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 Q_DECL_DEPRECATED 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 bool | layerCollection () const |
Returns true if the data item is a collection of layers The default implementation returns false, subclasses must implement this method if their children are layers. More... | |
| 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 Q_DECL_DEPRECATED QWidget * | paramWidget () |
| Returns source widget from data item for QgsBrowserPropertiesWidget. More... | |
| QgsDataItem * | parent () const |
| Gets item parent. More... | |
| QString | path () const |
| QString | providerKey () const |
| Returns the provider key that created this item (e.g. More... | |
| virtual QgsDataItem * | removeChildItem (QgsDataItem *child) |
| Removes a child item and returns it without deleting it. More... | |
| virtual Q_DECL_DEPRECATED bool | rename (const QString &name) |
Sets a new name for the item, and returns true if the item was successfully renamed. More... | |
| int | rowCount () |
| virtual void | setCapabilities (Capabilities capabilities) |
| Sets the capabilities for the data item. More... | |
| virtual Q_DECL_DEPRECATED 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 | setProviderKey (const QString &value) |
| Sets the provider key that created this item (e.g. More... | |
| 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 |
Additional Inherited Members | |
| Public Types inherited from QgsDataItem | |
| enum | Capability { NoCapabilities = 0, SetCrs = 1 << 0, Fertile = 1 << 1, Fast = 1 << 2, Collapse = 1 << 3, Rename = 1 << 4, Delete = 1 << 5 } |
| enum | State { NotPopulated, Populating, Populated } |
| enum | Type { Collection, Directory, Layer, Error, Favorites, Project, Custom, Fields, Field } |
| 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 (const QString &providerKey=QString()) |
| Causes a data item provider to refresh all registered connections. More... | |
| Signals inherited from QgsDataItem | |
| void | beginInsertItems (QgsDataItem *parent, int first, int last) |
| void | beginRemoveItems (QgsDataItem *parent, int first, int last) |
| void | connectionsChanged (const QString &providerKey=QString()) |
| Emitted when the connections of the provider with the specified providerKey have changed. More... | |
| void | dataChanged (QgsDataItem *item) |
| void | endInsertItems () |
| void | endRemoveItems () |
| void | stateChanged (QgsDataItem *item, QgsDataItem::State oldState) |
| 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... | |
| 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 |
| QgsDataItem * | mParent = nullptr |
| QString | mPath |
| QString | mProviderKey |
| QVariant | mSortKey |
| Custom sort key. If invalid, name() will be used for sorting instead. More... | |
| State | mState |
| QString | mToolTip |
| Type | mType |
Detailed Description
A layer field item, information about the connection URI, the schema and the table as well as the layer instance the field belongs to can be retrieved from the parent QgsFieldsItem object.
- Since
- QGIS 3.16
Definition at line 1048 of file qgsdataitem.h.
Constructor & Destructor Documentation
◆ QgsFieldItem()
| QgsFieldItem::QgsFieldItem | ( | QgsDataItem * | parent, |
| const QgsField & | field | ||
| ) |
Constructor for QgsFieldItem, with the specified parent item and field.
- Note
- parent item must be a QgsFieldsItem
Definition at line 233 of file qgsdataitem.cpp.
◆ ~QgsFieldItem()
|
override |
Definition at line 242 of file qgsdataitem.cpp.
Member Function Documentation
◆ icon()
|
overridevirtual |
Reimplemented from QgsDataItem.
Definition at line 246 of file qgsdataitem.cpp.
The documentation for this class was generated from the following files:
- /build/qgis-3.16.0+99unstable/src/core/qgsdataitem.h
- /build/qgis-3.16.0+99unstable/src/core/qgsdataitem.cpp
