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java.lang.Objectcom.trolltech.qt.QSignalEmitter
com.trolltech.qt.QtJambiObject
com.trolltech.qt.core.QObject
com.trolltech.qt.core.QAbstractItemModel
com.trolltech.qt.gui.QAbstractProxyModel
public abstract class QAbstractProxyModel
The QAbstractProxyModel
class provides a base class for proxy item models that can do sorting, filtering or other data processing tasks. This class defines the standard interface that proxy models must use to be able to interoperate correctly with other model/view components. It is not supposed to be instantiated directly.
All standard proxy models are derived from the QAbstractProxyModel
class. If you need to create a new proxy model class, it is usually better to subclass an existing class that provides the closest behavior to the one you want to provide. Proxy models that filter or sort items of data from a source model should be created by using or subclassing QSortFilterProxyModel
.
QSortFilterProxyModel
, QAbstractItemModel
, and Model/View Programming.
Nested Class Summary |
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Nested classes/interfaces inherited from class com.trolltech.qt.QSignalEmitter |
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QSignalEmitter.Signal0, QSignalEmitter.Signal1, QSignalEmitter.Signal2, QSignalEmitter.Signal3, QSignalEmitter.Signal4, QSignalEmitter.Signal5, QSignalEmitter.Signal6, QSignalEmitter.Signal7, QSignalEmitter.Signal8, QSignalEmitter.Signal9 |
Field Summary |
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Fields inherited from class com.trolltech.qt.core.QAbstractItemModel |
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dataChanged, headerDataChanged, layoutAboutToBeChanged, layoutChanged |
Constructor Summary | |
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QAbstractProxyModel()
Constructs a proxy model with the given parent. |
|
QAbstractProxyModel(QObject parent)
Constructs a proxy model with the given parent. |
Method Summary | |
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static QAbstractProxyModel |
fromNativePointer(QNativePointer nativePointer)
|
abstract QModelIndex |
mapFromSource(QModelIndex sourceIndex)
Reimplement this function to return the model index in the proxy model that corresponds to the sourceIndex from the source model. |
QItemSelection |
mapSelectionFromSource(QItemSelection selection)
Returns a proxy selection mapped from the specified sourceSelection. |
QItemSelection |
mapSelectionToSource(QItemSelection selection)
Returns a source selection mapped from the specified proxySelection. |
abstract QModelIndex |
mapToSource(QModelIndex proxyIndex)
Reimplement this function to return the model index in the source model that corresponds to the proxyIndex in the proxy model. |
void |
setSourceModel(QAbstractItemModel sourceModel)
Sets the given sourceModel to be processed by the proxy model. |
QAbstractItemModel |
sourceModel()
Returns the model that contains the data that is available through the proxy model. |
Methods inherited from class com.trolltech.qt.core.QObject |
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childEvent, children, connectSlotsByName, customEvent, disposeLater, dumpObjectInfo, dumpObjectTree, dynamicPropertyNames, event, eventFilter, findChild, findChild, findChild, findChildren, findChildren, findChildren, findChildren, indexOfProperty, installEventFilter, isWidgetType, killTimer, moveToThread, objectName, parent, properties, property, removeEventFilter, setObjectName, setParent, setProperty, startTimer, timerEvent, toString, userProperty |
Methods inherited from class com.trolltech.qt.QtJambiObject |
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dispose, disposed, equals, finalize, reassignNativeResources, tr, tr, tr |
Methods inherited from class com.trolltech.qt.QSignalEmitter |
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blockSignals, disconnect, disconnect, signalsBlocked, signalSender, thread |
Methods inherited from class java.lang.Object |
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clone, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface com.trolltech.qt.QtJambiInterface |
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disableGarbageCollection, nativeId, nativePointer, reenableGarbageCollection, setJavaOwnership |
Constructor Detail |
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public QAbstractProxyModel()
public QAbstractProxyModel(QObject parent)
Method Detail |
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public final QAbstractItemModel sourceModel()
setSourceModel()
.
public abstract QModelIndex mapFromSource(QModelIndex sourceIndex)
mapToSource()
.
public QItemSelection mapSelectionFromSource(QItemSelection selection)
Reimplement this method to map source selections to proxy selections.
public QItemSelection mapSelectionToSource(QItemSelection selection)
Reimplement this method to map proxy selections to source selections.
public abstract QModelIndex mapToSource(QModelIndex proxyIndex)
mapFromSource()
.
public void setSourceModel(QAbstractItemModel sourceModel)
sourceModel()
.
public static QAbstractProxyModel fromNativePointer(QNativePointer nativePointer)
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