# QSortFilterProxyModel Class Reference
## [[QtGui](index.htm) module]
該QSortFilterProxyModel類提供用于排序和另一個模型和視圖之間通過過濾數據的支持。[More...](#details)
繼承[QAbstractProxyModel](qabstractproxymodel.html)。
### Methods
* `__init__ (self, QObject?parent?=?None)`
* `QModelIndex buddy (self, QModelIndex?index)`
* `bool canFetchMore (self, QModelIndex?parent)`
* `clear (self)`
* `int columnCount (self, QModelIndex?parent?=?QModelIndex())`
* `QVariant data (self, QModelIndex?index, int?role?=?Qt.DisplayRole)`
* `bool dropMimeData (self, QMimeData?data, Qt.DropAction?action, int?row, int?column, QModelIndex?parent)`
* `bool dynamicSortFilter (self)`
* `fetchMore (self, QModelIndex?parent)`
* `bool filterAcceptsColumn (self, int?source_column, QModelIndex?source_parent)`
* `bool filterAcceptsRow (self, int?source_row, QModelIndex?source_parent)`
* `Qt.CaseSensitivity filterCaseSensitivity (self)`
* `filterChanged (self)`
* `int filterKeyColumn (self)`
* `QRegExp filterRegExp (self)`
* `int filterRole (self)`
* `Qt.ItemFlags flags (self, QModelIndex?index)`
* `bool hasChildren (self, QModelIndex?parent?=?QModelIndex())`
* `QVariant headerData (self, int?section, Qt.Orientation?orientation, int?role?=?Qt.EditRole)`
* `QModelIndex index (self, int?row, int?column, QModelIndex?parent?=?QModelIndex())`
* `bool insertColumns (self, int?column, int?count, QModelIndex?parent?=?QModelIndex())`
* `bool insertRows (self, int?row, int?count, QModelIndex?parent?=?QModelIndex())`
* `invalidate (self)`
* `invalidateFilter (self)`
* `bool isSortLocaleAware (self)`
* `bool lessThan (self, QModelIndex?left, QModelIndex?right)`
* `QModelIndex mapFromSource (self, QModelIndex?sourceIndex)`
* `QItemSelection mapSelectionFromSource (self, QItemSelection?sourceSelection)`
* `QItemSelection mapSelectionToSource (self, QItemSelection?proxySelection)`
* `QModelIndex mapToSource (self, QModelIndex?proxyIndex)`
* `list-of-QModelIndex match (self, QModelIndex?start, int?role, QVariant?value, int?hits?=?1, Qt.MatchFlags?flags?=?Qt.MatchStartsWith|Qt.MatchWrap)`
* `QMimeData mimeData (self, list-of-QModelIndex?indexes)`
* `QStringList mimeTypes (self)`
* `QModelIndex parent (self, QModelIndex?child)`
* `QObject parent (self)`
* `bool removeColumns (self, int?column, int?count, QModelIndex?parent?=?QModelIndex())`
* `bool removeRows (self, int?row, int?count, QModelIndex?parent?=?QModelIndex())`
* `int rowCount (self, QModelIndex?parent?=?QModelIndex())`
* `bool setData (self, QModelIndex?index, QVariant?value, int?role?=?Qt.EditRole)`
* `setDynamicSortFilter (self, bool?enable)`
* `setFilterCaseSensitivity (self, Qt.CaseSensitivity?cs)`
* `setFilterFixedString (self, QString?pattern)`
* `setFilterKeyColumn (self, int?column)`
* `setFilterRegExp (self, QRegExp?regExp)`
* `setFilterRegExp (self, QString?pattern)`
* `setFilterRole (self, int?role)`
* `setFilterWildcard (self, QString?pattern)`
* `bool setHeaderData (self, int?section, Qt.Orientation?orientation, QVariant?value, int?role?=?Qt.EditRole)`
* `setSortCaseSensitivity (self, Qt.CaseSensitivity?cs)`
* `setSortLocaleAware (self, bool?on)`
* `setSortRole (self, int?role)`
* `setSourceModel (self, QAbstractItemModel?sourceModel)`
* `sort (self, int?column, Qt.SortOrder?order?=?Qt.AscendingOrder)`
* `Qt.CaseSensitivity sortCaseSensitivity (self)`
* `int sortColumn (self)`
* `Qt.SortOrder sortOrder (self)`
* `int sortRole (self)`
* `QSize span (self, QModelIndex?index)`
* `Qt.DropActions supportedDropActions (self)`
* * *
## Detailed Description
該QSortFilterProxyModel類提供用于排序和另一個模型和視圖之間通過過濾數據的支持。
QSortFilterProxyModel可用于排序的項目,濾出產品,或兩者兼而有之。該模型轉換源模型的結構通過映射把它提供給新的索引,對應于不同地點的模型索引,視圖使用。這種方法允許一個給定的源模型被盡可能的觀點而言,無需對基礎數據的任何轉換,并沒有復制在內存中的數據重組。
讓我們假設我們想通過排序和篩選的自定義模型提供的項目。該代碼來設置的模型和視圖,_without_排序和過濾,看起來像這樣:
```
[QTreeView](qtreeview.html) *treeView = new [QTreeView](qtreeview.html);
MyItemModel *model = new MyItemModel(this);
treeView->setModel(model);
```
要添加排序和篩選支持`MyItemModel`,我們需要創建一個QSortFilterProxyModel ,呼叫[setSourceModel](qsortfilterproxymodel.html#setSourceModel)()與`MyItemModel`作為參數,并在視圖安裝QSortFilterProxyModel :
```
[QTreeView](qtreeview.html) *treeView = new [QTreeView](qtreeview.html);
MyItemModel *sourceModel = new MyItemModel(this);
QSortFilterProxyModel *proxyModel = new QSortFilterProxyModel(this);
proxyModel->setSourceModel(sourceModel);
treeView->setModel(proxyModel);
```
在這一點上,既不排序也不過濾功能,原始數據被顯示在視圖中。通過QSortFilterProxyModel所做的任何更改應用到原始模型。
該QSortFilterProxyModel作為一個包裝器的原始模型。如果你需要轉換的源[QModelIndex](qmodelindex.html)上課要排序/篩選模型的索引,反之亦然,使用[mapToSource](qsortfilterproxymodel.html#mapToSource)( )[mapFromSource](qsortfilterproxymodel.html#mapFromSource)( )[mapSelectionToSource](qsortfilterproxymodel.html#mapSelectionToSource)()和[mapSelectionFromSource](qsortfilterproxymodel.html#mapSelectionFromSource)( ) 。
**Note:**默認情況下,該模型沒有動態重新排序和重新過濾數據時的原始模型的變化。這種行為可以通過設置改變[dynamicSortFilter](qsortfilterproxymodel.html#dynamicSortFilter-prop)屬性。
該[Basic Sort/Filter Model](index.htm)和[Custom Sort/Filter Model](index.htm)示例說明了如何使用QSortFilterProxyModel執行基本分類和過濾,以及如何它的子類來實現自定義的行為。
### Sorting
[QTableView](qtableview.html)和[QTreeView](qtreeview.html)有[sortingEnabled](qtreeview.html#sortingEnabled-prop)屬性控制用戶是否可以通過單擊視圖的水平標題排序的視圖。例如:
```
treeView->setSortingEnabled(true);
```
當此功能開啟(默認是關閉的) ,點擊標題部分按照該列進行排序的項目。通過點擊多次,用戶可以在升序和降序之間交替。

幕后,視圖調用[sort](qsortfilterproxymodel.html#sort)()的模型來重新排列在該模型中的數據的虛擬功能。為了使您的數據排序,你可以實現[sort](qsortfilterproxymodel.html#sort)( )在你的模型,或使用QSortFilterProxyModel來包裝你的模型 - QSortFilterProxyModel提供了一個通用[sort](qsortfilterproxymodel.html#sort)()的重新實現該操作的[sortRole](qsortfilterproxymodel.html#sortRole-prop)( ) ([Qt.DisplayRole](qt.html#ItemDataRole-enum)默認情況下)的項目,并能夠理解多種數據類型,包括`int`,[QString](qstring.html)和[QDateTime](qdatetime.html)。對于分層模型,排序是遞歸應用到所有子項。比較字符串時默認情況下,敏感的,這可以通過設置改變[sortCaseSensitivity](qsortfilterproxymodel.html#sortCaseSensitivity-prop)屬性。
自定義排序行為是通過繼承QSortFilterProxyModel和重新實現實現[lessThan](qsortfilterproxymodel.html#lessThan)(),它是用于比較的商品。例如:
```
bool MySortFilterProxyModel.lessThan(const [QModelIndex](qmodelindex.html) &left,
const [QModelIndex](qmodelindex.html) &right) const
{
[QVariant](qvariant.html) leftData = sourceModel()->data(left);
[QVariant](qvariant.html) rightData = sourceModel()->data(right);
if (leftData.type() == [QVariant](qvariant.html).DateTime) {
return leftData.toDateTime() < rightData.toDateTime();
} else {
[QRegExp](qregexp.html) *emailPattern = new [QRegExp](qregexp.html)("([\\w\\.]*@[\\w\\.]*)");
[QString](qstring.html) leftString = leftData.toString();
if(left.column() == 1 && emailPattern->indexIn(leftString) != -1)
leftString = emailPattern->cap(1);
[QString](qstring.html) rightString = rightData.toString();
if(right.column() == 1 && emailPattern->indexIn(rightString) != -1)
rightString = emailPattern->cap(1);
return [QString](qstring.html).localeAwareCompare(leftString, rightString) < 0;
}
}
```
(此代碼片段來自[Custom Sort/Filter Model](index.htm)例子)。
另一種方法來排序是禁用的視圖排序并施以一定的順序給用戶。這是通過顯式調用完成[sort](qsortfilterproxymodel.html#sort)( )與所需的列和順序上的QSortFilterProxyModel參數(或原始模型,如果它實現[sort](qsortfilterproxymodel.html#sort)())。例如:
```
proxyModel->sort(2, [Qt](qt.html).AscendingOrder);
```
QSortFilterProxyModel可以通過柱-1進行排序,在這種情況下它返回到底層源模型的排序順序。
### Filtering
除了排序, QSortFilterProxyModel可以用來隱藏不匹配有一定的過濾項。使用指定的過濾器被[QRegExp](qregexp.html)對象和被施加到[filterRole](qsortfilterproxymodel.html#filterRole-prop)( ) ([Qt.DisplayRole](qt.html#ItemDataRole-enum)默認情況下)各項目時,對于給定的列中。該[QRegExp](qregexp.html)對象可以用來匹配一個正則表達式,通配符模式,或一個固定的字符串。例如:
```
proxyModel->setFilterRegExp([QRegExp](qregexp.html)(".png", [Qt](qt.html).CaseInsensitive,
[QRegExp](qregexp.html).FixedString));
proxyModel->setFilterKeyColumn(1);
```
對于分層模型,過濾器被遞歸應用到所有的孩子。如果父項不匹配濾波器,將顯示其沒有孩子。
一個常見的用例是讓用戶指定一個過濾器正則表達式,通配符模式,或固定字符串[QLineEdit](qlineedit.html)和連接[textChanged()](qlineedit.html#textChanged)信號到[setFilterRegExp](qsortfilterproxymodel.html#filterRegExp-prop)( )[setFilterWildcard](qsortfilterproxymodel.html#setFilterWildcard)() ,或[setFilterFixedString](qsortfilterproxymodel.html#setFilterFixedString)( )重新應用篩選器。
自定義過濾行為可以通過重新實現來實現的[filterAcceptsRow](qsortfilterproxymodel.html#filterAcceptsRow)()和[filterAcceptsColumn](qsortfilterproxymodel.html#filterAcceptsColumn)()函數。例如(從[Custom Sort/Filter Model](index.htm)例子) ,下面的實現會忽略[filterKeyColumn](qsortfilterproxymodel.html#filterKeyColumn-prop)財產和執行對列0 , 1 ??,和2過濾:
```
bool MySortFilterProxyModel.filterAcceptsRow(int sourceRow,
const [QModelIndex](qmodelindex.html) &sourceParent) const
{
[QModelIndex](qmodelindex.html) index0 = sourceModel()->index(sourceRow, 0, sourceParent);
[QModelIndex](qmodelindex.html) index1 = sourceModel()->index(sourceRow, 1, sourceParent);
[QModelIndex](qmodelindex.html) index2 = sourceModel()->index(sourceRow, 2, sourceParent);
return (sourceModel()->data(index0).toString().contains(filterRegExp())
|| sourceModel()->data(index1).toString().contains(filterRegExp()))
&& dateInRange(sourceModel()->data(index2).toDate());
}
```
(此代碼片段來自[Custom Sort/Filter Model](index.htm)例子)。
如果您正在使用大量的濾波,并有調用[invalidateFilter](qsortfilterproxymodel.html#invalidateFilter)( )反復使用[reset](qabstractitemmodel.html#reset)( )可能更有效,這取決于你的模型的實現。但是,[reset](qabstractitemmodel.html#reset)()返回的代理模型到其原始狀態,失去了選擇信息,并且將導致要重新填充所述代理模型。
### Subclassing
自[QAbstractProxyModel](qabstractproxymodel.html)和它的子類都源自[QAbstractItemModel](qabstractitemmodel.html),許多關于繼承正常模式相同的建議也適用于代理模型。此外,值得一提的是,許多在這個類函數的默認實現是這么寫的,他們在程序中調用相關的源模型的等效功能。這個簡單的代理機制,可能需要對源模型更復雜的行為被重寫,例如,如果源模型提供了一個自定義的[hasChildren](qsortfilterproxymodel.html#hasChildren)()實現,你也應該提供一個在代理模型。
**Note:**可在子類化模型的一些通用準則[Model Subclassing Reference](index.htm#model-subclassing-reference)。
* * *
## Method Documentation
```
QSortFilterProxyModel.__init__ (self, QObject?parent?=?None)
```
該_parent_的說法,如果不是沒有,原因_self_通過Qt的,而不是PyQt的擁有。
構造一個排序濾波器模型與給定_parent_。
```
QModelIndex QSortFilterProxyModel.buddy (self, QModelIndex?index)
```
[](qmodelindex.html)
[從重新實現](qmodelindex.html)[QAbstractItemModel.buddy](qabstractitemmodel.html#buddy)( ) 。
```
bool QSortFilterProxyModel.canFetchMore (self, QModelIndex?parent)
```
從重新實現[QAbstractItemModel.canFetchMore](qabstractitemmodel.html#canFetchMore)( ) 。
```
QSortFilterProxyModel.clear (self)
```
這種方法也是一個Qt槽與C + +的簽名`void clear()`。
```
int QSortFilterProxyModel.columnCount (self, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.columnCount](qabstractitemmodel.html#columnCount)( ) 。
```
QVariant QSortFilterProxyModel.data (self, QModelIndex?index, int?role?=?Qt.DisplayRole)
```
從重新實現[QAbstractItemModel.data](qabstractitemmodel.html#data)( ) 。
**See also** [setData](qsortfilterproxymodel.html#setData)( ) 。
```
bool QSortFilterProxyModel.dropMimeData (self, QMimeData?data, Qt.DropAction?action, int?row, int?column, QModelIndex?parent)
```
從重新實現[QAbstractItemModel.dropMimeData](qabstractitemmodel.html#dropMimeData)( ) 。
```
bool QSortFilterProxyModel.dynamicSortFilter (self)
```
```
QSortFilterProxyModel.fetchMore (self, QModelIndex?parent)
```
從重新實現[QAbstractItemModel.fetchMore](qabstractitemmodel.html#fetchMore)( ) 。
```
bool QSortFilterProxyModel.filterAcceptsColumn (self, int?source_column, QModelIndex?source_parent)
```
返回True如果該列中的項表示在給定的_source_column_和_source_parent_應包括在模型中,否則返回False 。
如果有關項目中保存的值過濾字符串,字符串通配符或正則表達式匹配的默認實現返回True 。
**Note:**默認情況下,[Qt.DisplayRole](qt.html#ItemDataRole-enum)用于確定是否該行應該被接受或沒有。這可以通過設置來改變該[filterRole](qsortfilterproxymodel.html#filterRole-prop)屬性。
**See also** [filterAcceptsRow](qsortfilterproxymodel.html#filterAcceptsRow)( )[setFilterFixedString](qsortfilterproxymodel.html#setFilterFixedString)( )[setFilterRegExp](qsortfilterproxymodel.html#filterRegExp-prop)()和[setFilterWildcard](qsortfilterproxymodel.html#setFilterWildcard)( ) 。
```
bool QSortFilterProxyModel.filterAcceptsRow (self, int?source_row, QModelIndex?source_parent)
```
返回True如果該行中的項目表示在給定的_source_row_和_source_parent_應包括在模型中,否則返回False 。
如果有關項目中保存的值過濾字符串,字符串通配符或正則表達式匹配的默認實現返回True 。
**Note:**默認情況下,[Qt.DisplayRole](qt.html#ItemDataRole-enum)用于確定是否該行應該被接受或沒有。這可以通過設置來改變該[filterRole](qsortfilterproxymodel.html#filterRole-prop)屬性。
**See also** [filterAcceptsColumn](qsortfilterproxymodel.html#filterAcceptsColumn)( )[setFilterFixedString](qsortfilterproxymodel.html#setFilterFixedString)( )[setFilterRegExp](qsortfilterproxymodel.html#filterRegExp-prop)()和[setFilterWildcard](qsortfilterproxymodel.html#setFilterWildcard)( ) 。
```
Qt.CaseSensitivity QSortFilterProxyModel.filterCaseSensitivity (self)
```
[
```
QSortFilterProxyModel.filterChanged (self)
```
```
int QSortFilterProxyModel.filterKeyColumn (self)
```
](qt.html#CaseSensitivity-enum)
```
QRegExp QSortFilterProxyModel.filterRegExp (self)
```
[
```
int QSortFilterProxyModel.filterRole (self)
```
](qregexp.html)
```
Qt.ItemFlags QSortFilterProxyModel.flags (self, QModelIndex?index)
```
[](index.htm)
[從重新實現](index.htm)[QAbstractItemModel.flags](qabstractitemmodel.html#flags)( ) 。
```
bool QSortFilterProxyModel.hasChildren (self, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.hasChildren](qabstractitemmodel.html#hasChildren)( ) 。
```
QVariant QSortFilterProxyModel.headerData (self, int?section, Qt.Orientation?orientation, int?role?=?Qt.EditRole)
```
從重新實現[QAbstractItemModel.headerData](qabstractitemmodel.html#headerData)( ) 。
**See also** [setHeaderData](qsortfilterproxymodel.html#setHeaderData)( ) 。
```
QModelIndex QSortFilterProxyModel.index (self, int?row, int?column, QModelIndex?parent?=?QModelIndex())
```
[](qmodelindex.html)
[從重新實現](qmodelindex.html)[QAbstractItemModel.index](qabstractitemmodel.html#index)( ) 。
```
bool QSortFilterProxyModel.insertColumns (self, int?column, int?count, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.insertColumns](qabstractitemmodel.html#insertColumns)( ) 。
```
bool QSortFilterProxyModel.insertRows (self, int?row, int?count, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.insertRows](qabstractitemmodel.html#insertRows)( ) 。
```
QSortFilterProxyModel.invalidate (self)
```
這種方法也是一個Qt槽與C + +的簽名`void invalidate()`。
無效的當前排序和過濾。
此功能被引入Qt的4.3 。
**See also** [invalidateFilter](qsortfilterproxymodel.html#invalidateFilter)( ) 。
```
QSortFilterProxyModel.invalidateFilter (self)
```
無效的電流濾波。
這個功能應該如果要實現自定義的過濾(被稱為例如:[filterAcceptsRow](qsortfilterproxymodel.html#filterAcceptsRow)( ) ) ,以及您的濾波器參數發生了變化。
此功能被引入Qt的4.3 。
**See also** [invalidate](qsortfilterproxymodel.html#invalidate)( ) 。
```
bool QSortFilterProxyModel.isSortLocaleAware (self)
```
```
bool QSortFilterProxyModel.lessThan (self, QModelIndex?left, QModelIndex?right)
```
返回True如果該項目的值稱為給定索引_left_由給定的索引小于該項目的值稱為_right_,否則返回False 。
在排序時,此功能是用來作為\u003c操作符,和處理以下[QVariant](qvariant.html)類型:
* [QVariant.Int](qvariant.html#Type-enum)
* [QVariant.UInt](qvariant.html#Type-enum)
* [QVariant.LongLong](qvariant.html#Type-enum)
* [QVariant.ULongLong](qvariant.html#Type-enum)
* [QVariant.Double](qvariant.html#Type-enum)
* [QVariant.Char](qvariant.html#Type-enum)
* [QVariant.Date](qvariant.html#Type-enum)
* [QVariant.Time](qvariant.html#Type-enum)
* [QVariant.DateTime](qvariant.html#Type-enum)
* [QVariant.String](qvariant.html#Type-enum)
任何其他類型將被轉換為一個[QString](qstring.html) using [QVariant.toString](qvariant.html#toString)( ) 。
比較[QString](qstring.html)s的情況下,默認情況下,敏感,這可以通過使用被改變[sortCaseSensitivity](qsortfilterproxymodel.html#sortCaseSensitivity-prop)屬性。
默認情況下,[Qt.DisplayRole](qt.html#ItemDataRole-enum)與相關聯的[QModelIndex](qmodelindex.html)ES是用于比較。這可以通過設置來改變該[sortRole](qsortfilterproxymodel.html#sortRole-prop)屬性。
**Note:**通過在對應于源模型中的指標。
**See also** [sortRole](qsortfilterproxymodel.html#sortRole-prop),[sortCaseSensitivity](qsortfilterproxymodel.html#sortCaseSensitivity-prop)和[dynamicSortFilter](qsortfilterproxymodel.html#dynamicSortFilter-prop)。
```
QModelIndex QSortFilterProxyModel.mapFromSource (self, QModelIndex?sourceIndex)
```
[](qmodelindex.html)
[從重新實現](qmodelindex.html)[QAbstractProxyModel.mapFromSource](qabstractproxymodel.html#mapFromSource)( ) 。
返回模型指數在[QSortFilterProxyModel](qsortfilterproxymodel.html)考慮到_sourceIndex_從源模型。
**See also** [mapToSource](qsortfilterproxymodel.html#mapToSource)( ) 。
```
QItemSelection QSortFilterProxyModel.mapSelectionFromSource (self, QItemSelection?sourceSelection)
```
[](qitemselection.html)
[從重新實現](qitemselection.html)[QAbstractProxyModel.mapSelectionFromSource](qabstractproxymodel.html#mapSelectionFromSource)( ) 。
```
QItemSelection QSortFilterProxyModel.mapSelectionToSource (self, QItemSelection?proxySelection)
```
[](qitemselection.html)
[從重新實現](qitemselection.html)[QAbstractProxyModel.mapSelectionToSource](qabstractproxymodel.html#mapSelectionToSource)( ) 。
```
QModelIndex QSortFilterProxyModel.mapToSource (self, QModelIndex?proxyIndex)
```
[](qmodelindex.html)
[從重新實現](qmodelindex.html)[QAbstractProxyModel.mapToSource](qabstractproxymodel.html#mapToSource)( ) 。
返回對應于給定的源模型指數_proxyIndex_從分類篩選模型。
**See also** [mapFromSource](qsortfilterproxymodel.html#mapFromSource)( ) 。
```
list-of-QModelIndex QSortFilterProxyModel.match (self, QModelIndex?start, int?role, QVariant?value, int?hits?=?1, Qt.MatchFlags?flags?=?Qt.MatchStartsWith|Qt.MatchWrap)
```
從重新實現[QAbstractItemModel.match](qabstractitemmodel.html#match)( ) 。
```
QMimeData QSortFilterProxyModel.mimeData (self, list-of-QModelIndex?indexes)
```
[
該_QMimeData_結果
](qmimedata.html)
[從重新實現](qmimedata.html)[QAbstractItemModel.mimeData](qabstractitemmodel.html#mimeData)( ) 。
```
QStringList QSortFilterProxyModel.mimeTypes (self)
```
從重新實現[QAbstractItemModel.mimeTypes](qabstractitemmodel.html#mimeTypes)( ) 。
```
QModelIndex QSortFilterProxyModel.parent (self, QModelIndex?child)
```
[](qmodelindex.html)
[從重新實現](qmodelindex.html)[QAbstractItemModel.parent](qabstractitemmodel.html#parent)( ) 。
```
QObject QSortFilterProxyModel.parent (self)
```
[
```
bool QSortFilterProxyModel.removeColumns (self, int?column, int?count, QModelIndex?parent?=?QModelIndex())
```
](qobject.html)
[從重新實現](qobject.html)[QAbstractItemModel.removeColumns](qabstractitemmodel.html#removeColumns)( ) 。
```
bool QSortFilterProxyModel.removeRows (self, int?row, int?count, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.removeRows](qabstractitemmodel.html#removeRows)( ) 。
```
int QSortFilterProxyModel.rowCount (self, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.rowCount](qabstractitemmodel.html#rowCount)( ) 。
```
bool QSortFilterProxyModel.setData (self, QModelIndex?index, QVariant?value, int?role?=?Qt.EditRole)
```
從重新實現[QAbstractItemModel.setData](qabstractitemmodel.html#setData)( ) 。
**See also** [data](qsortfilterproxymodel.html#data)( ) 。
```
QSortFilterProxyModel.setDynamicSortFilter (self, bool?enable)
```
```
QSortFilterProxyModel.setFilterCaseSensitivity (self, Qt.CaseSensitivity?cs)
```
```
QSortFilterProxyModel.setFilterFixedString (self, QString?pattern)
```
這種方法也是一個Qt槽與C + +的簽名`void setFilterFixedString(const QString&)`。
設置用于對源模型的內容進行篩選,以給定的固定字符串_pattern_。
**See also** [setFilterCaseSensitivity](qsortfilterproxymodel.html#filterCaseSensitivity-prop)( )[setFilterRegExp](qsortfilterproxymodel.html#filterRegExp-prop)( )[setFilterWildcard](qsortfilterproxymodel.html#setFilterWildcard)()和[filterRegExp](qsortfilterproxymodel.html#filterRegExp-prop)( ) 。
```
QSortFilterProxyModel.setFilterKeyColumn (self, int?column)
```
```
QSortFilterProxyModel.setFilterRegExp (self, QRegExp?regExp)
```
```
QSortFilterProxyModel.setFilterRegExp (self, QString?pattern)
```
這種方法也是一個Qt槽與C + +的簽名`void setFilterRegExp(const QString&)`。
```
QSortFilterProxyModel.setFilterRole (self, int?role)
```
```
QSortFilterProxyModel.setFilterWildcard (self, QString?pattern)
```
這種方法也是一個Qt槽與C + +的簽名`void setFilterWildcard(const QString&)`。
設置用于對源模型的內容進行篩選,以給定的通配符表達式_pattern_。
**See also** [setFilterCaseSensitivity](qsortfilterproxymodel.html#filterCaseSensitivity-prop)( )[setFilterRegExp](qsortfilterproxymodel.html#filterRegExp-prop)( )[setFilterFixedString](qsortfilterproxymodel.html#setFilterFixedString)()和[filterRegExp](qsortfilterproxymodel.html#filterRegExp-prop)( ) 。
```
bool QSortFilterProxyModel.setHeaderData (self, int?section, Qt.Orientation?orientation, QVariant?value, int?role?=?Qt.EditRole)
```
從重新實現[QAbstractItemModel.setHeaderData](qabstractitemmodel.html#setHeaderData)( ) 。
**See also** [headerData](qsortfilterproxymodel.html#headerData)( ) 。
```
QSortFilterProxyModel.setSortCaseSensitivity (self, Qt.CaseSensitivity?cs)
```
```
QSortFilterProxyModel.setSortLocaleAware (self, bool?on)
```
```
QSortFilterProxyModel.setSortRole (self, int?role)
```
```
QSortFilterProxyModel.setSourceModel (self, QAbstractItemModel?sourceModel)
```
從重新實現[QAbstractProxyModel.setSourceModel](qabstractproxymodel.html#setSourceModel)( ) 。
```
QSortFilterProxyModel.sort (self, int?column, Qt.SortOrder?order?=?Qt.AscendingOrder)
```
從重新實現[QAbstractItemModel.sort](qabstractitemmodel.html#sort)( ) 。
```
Qt.CaseSensitivity QSortFilterProxyModel.sortCaseSensitivity (self)
```
[
```
int QSortFilterProxyModel.sortColumn (self)
```
目前用于排序的列
這將返回最近使用的排序列。
此功能被引入Qt的4.5 。
](qt.html#CaseSensitivity-enum)
```
Qt.SortOrder QSortFilterProxyModel.sortOrder (self)
```
[
目前用于排序的順序
這將返回最近使用的排序順序。
此功能被引入Qt的4.5 。
```
int QSortFilterProxyModel.sortRole (self)
```
](qt.html#SortOrder-enum)
```
QSize QSortFilterProxyModel.span (self, QModelIndex?index)
```
[](qsize.html)
[從重新實現](qsize.html)[QAbstractItemModel.span](qabstractitemmodel.html#span)( ) 。
```
Qt.DropActions QSortFilterProxyModel.supportedDropActions (self)
```
[](index.htm)
[從重新實現](index.htm)[QAbstractItemModel.supportedDropActions](qabstractitemmodel.html#supportedDropActions)( ) 。
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