# QStandardItemModel Class Reference
## [[QtGui](index.htm) module]
該QStandardItemModel類提供用于存儲自定義數據的通用模型。[More...](#details)
繼承[QAbstractItemModel](qabstractitemmodel.html)。
### Methods
* `__init__ (self, QObject?parent?=?None)`
* `__init__ (self, int?rows, int?columns, QObject?parent?=?None)`
* `appendColumn (self, list-of-QStandardItem?items)`
* `appendRow (self, list-of-QStandardItem?items)`
* `appendRow (self, QStandardItem?aitem)`
* `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)`
* `list-of-QStandardItem findItems (self, QString?text, Qt.MatchFlags?flags?=?Qt.MatchExactly, int?column?=?0)`
* `Qt.ItemFlags flags (self, QModelIndex?index)`
* `bool hasChildren (self, QModelIndex?parent?=?QModelIndex())`
* `QVariant headerData (self, int?section, Qt.Orientation?orientation, int?role?=?Qt.DisplayRole)`
* `QStandardItem horizontalHeaderItem (self, int?column)`
* `QModelIndex index (self, int?row, int?column, QModelIndex?parent?=?QModelIndex())`
* `QModelIndex indexFromItem (self, QStandardItem?item)`
* `insertColumn (self, int?column, list-of-QStandardItem?items)`
* `bool insertColumn (self, int?column, QModelIndex?parent?=?QModelIndex())`
* `bool insertColumns (self, int?column, int?count, QModelIndex?parent?=?QModelIndex())`
* `insertRow (self, int?row, list-of-QStandardItem?items)`
* `insertRow (self, int?arow, QStandardItem?aitem)`
* `bool insertRow (self, int?row, QModelIndex?parent?=?QModelIndex())`
* `bool insertRows (self, int?row, int?count, QModelIndex?parent?=?QModelIndex())`
* `QStandardItem invisibleRootItem (self)`
* `QStandardItem item (self, int?row, int?column?=?0)`
* `dict-of-int-QVariant itemData (self, QModelIndex?index)`
* `QStandardItem itemFromIndex (self, QModelIndex?index)`
* `QStandardItem itemPrototype (self)`
* `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())`
* `setColumnCount (self, int?columns)`
* `bool setData (self, QModelIndex?index, QVariant?value, int?role?=?Qt.EditRole)`
* `bool setHeaderData (self, int?section, Qt.Orientation?orientation, QVariant?value, int?role?=?Qt.EditRole)`
* `setHorizontalHeaderItem (self, int?column, QStandardItem?item)`
* `setHorizontalHeaderLabels (self, QStringList?labels)`
* `setItem (self, int?row, int?column, QStandardItem?item)`
* `setItem (self, int?arow, QStandardItem?aitem)`
* `bool setItemData (self, QModelIndex?index, dict-of-int-QVariant?roles)`
* `setItemPrototype (self, QStandardItem?item)`
* `setRowCount (self, int?rows)`
* `setSortRole (self, int?role)`
* `setVerticalHeaderItem (self, int?row, QStandardItem?item)`
* `setVerticalHeaderLabels (self, QStringList?labels)`
* `sort (self, int?column, Qt.SortOrder?order?=?Qt.AscendingOrder)`
* `int sortRole (self)`
* `Qt.DropActions supportedDropActions (self)`
* `list-of-QStandardItem takeColumn (self, int?column)`
* `QStandardItem takeHorizontalHeaderItem (self, int?column)`
* `QStandardItem takeItem (self, int?row, int?column?=?0)`
* `list-of-QStandardItem takeRow (self, int?row)`
* `QStandardItem takeVerticalHeaderItem (self, int?row)`
* `QStandardItem verticalHeaderItem (self, int?row)`
### Qt Signals
* `void itemChanged (QStandardItem *)`
* * *
## Detailed Description
該QStandardItemModel類提供用于存儲自定義數據的通用模型。
QStandardItemModel可以作為標準的Qt數據類型的存儲庫。它是一[Model/View Classes](index.htm)并且是Qt的一部分[model/view](index.htm)框架。
QStandardItemModel提供了一個典型的項目為基礎的方法與模型的工作。在QStandardItemModel的項目是由提供[QStandardItem](qstandarditem.html)。
QStandardItemModel實現[QAbstractItemModel](qabstractitemmodel.html)接口,這意味著,該模型可以用來提供數據支持該接口(如任何視圖[QListView](qlistview.html),[QTableView](qtableview.html)和[QTreeView](qtreeview.html),和你自己的自定義視圖) 。對于性能和靈活性,你可能要繼承[QAbstractItemModel](qabstractitemmodel.html)提供不同類型的數據存儲庫的支持。例如,本[QDirModel(obsolete)](qdirmodel.html)提供了一個模型界面到底層的文件系統。
當你想要一個列表或樹,你可以創建一個空的QStandardItemModel和使用[appendRow](qstandarditemmodel.html#appendRow)( )將項目添加到模型中,并[item](qstandarditemmodel.html#item)()來存取項目。如果你的模型是一個表,通常需要傳遞的表的尺寸的QStandardItemModel的構造和使用[setItem](qstandarditemmodel.html#setItem)( )來定位的項目到表中。您也可以使用[setRowCount](qstandarditemmodel.html#setRowCount)()和[setColumnCount](qstandarditemmodel.html#setColumnCount)()來改變模型的尺寸。要插入的項目,使用[insertRow](qstandarditemmodel.html#insertRow)()或[insertColumn](qstandarditemmodel.html#insertColumn)( ) ,并刪除項目,使用[removeRow](qabstractitemmodel.html#removeRow)()或[removeColumn](qabstractitemmodel.html#removeColumn)( ) 。
你可以設置你的模型的標題與標籤[setHorizontalHeaderLabels](qstandarditemmodel.html#setHorizontalHeaderLabels)()和[setVerticalHeaderLabels](qstandarditemmodel.html#setVerticalHeaderLabels)( ) 。
您可以在模型中的項目與搜索[findItems](qstandarditemmodel.html#findItems)() ,并且模型通過調用排序[sort](qstandarditemmodel.html#sort)( ) 。
Call [clear](qstandarditemmodel.html#clear)()從模型中刪除所有項目。
QStandardItemModel的使用示例創建一個表:
```
QStandardItemModel model(4, 4);
for (int row = 0; row < 4; ++row) {
for (int column = 0; column < 4; ++column) {
[QStandardItem](qstandarditem.html) *item = new [QStandardItem](qstandarditem.html)([QString](qstring.html)("row %0, column %1").arg(row).arg(column));
model.setItem(row, column, item);
}
}
```
QStandardItemModel的使用示例創建樹:
```
QStandardItemModel model;
[QStandardItem](qstandarditem.html) *parentItem = model.invisibleRootItem();
for (int i = 0; i < 4; ++i) {
[QStandardItem](qstandarditem.html) *item = new [QStandardItem](qstandarditem.html)([QString](qstring.html)("item %0").arg(i));
parentItem->appendRow(item);
parentItem = item;
}
```
設置模型的視圖后,你通常需要響應用戶操作,如被點擊的項目。由于[QAbstractItemView](qabstractitemview.html)提供[QModelIndex](qmodelindex.html)為基礎的信號和功能,你需要一種方法來獲得[QStandardItem](qstandarditem.html)對應于一個給定的[QModelIndex](qmodelindex.html),反之亦然。[itemFromIndex](qstandarditemmodel.html#itemFromIndex)()和[indexFromItem](qstandarditemmodel.html#indexFromItem)( )提供這種映射。典型的用法[itemFromIndex](qstandarditemmodel.html#itemFromIndex)()包括:獲取該項目的當前索引處的一個視圖,并獲得對應于由一個執行一個索引的資料[QAbstractItemView](qabstractitemview.html)信號,如[QAbstractItemView.clicked](qabstractitemview.html#clicked)( ) 。首先,你的觀點的信號連接到您的班級插槽:
```
[QTreeView](qtreeview.html) *treeView = new [QTreeView](qtreeview.html)(this);
treeView->setModel(myStandardItemModel);
connect(treeView, SIGNAL(clicked([QModelIndex](qmodelindex.html))),
this, SLOT(clicked([QModelIndex](qmodelindex.html))));
```
當您收到信號,你叫[itemFromIndex](qstandarditemmodel.html#itemFromIndex)( )在給定的模型索引來獲得一個指向文件:
```
void MyWidget.clicked(const [QModelIndex](qmodelindex.html) &index)
{
[QStandardItem](qstandarditem.html) *item = myStandardItemModel->itemFromIndex(index);
// Do stuff with the item ...
}
```
相反,你必須獲得[QModelIndex](qmodelindex.html)當你要調用一個模型/視圖函數,它接受一個索引作為參數的項目。您可以使用該模型的兩種獲取索引[indexFromItem](qstandarditemmodel.html#indexFromItem)()函數,或等價地,通過調用[QStandardItem.index](qstandarditem.html#index)():
```
treeView->scrollTo(item->index());
```
你當然不需要使用的項目為基礎的方法,你可以代替完全依賴[QAbstractItemModel](qabstractitemmodel.html)接口與模型的工作,或者在兩者的組合中適當的時候。
* * *
## Method Documentation
```
QStandardItemModel.__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。
構造一個新的項目模型,給定_parent_。
```
QStandardItemModel.__init__ (self, int?rows, int?columns, 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。
構造一個新的項目模型,最初有_rows_行和_columns_列,并且具有給定_parent_。
```
QStandardItemModel.appendColumn (self, list-of-QStandardItem?items)
```
該_items_說法有它的所有權轉移給Qt的。
含追加一列_items_。如果有必要,該行數將增加至大小_items_。
這個函數中引入了Qt 4.2中。
**See also** [insertColumn](qstandarditemmodel.html#insertColumn)()和[appendRow](qstandarditemmodel.html#appendRow)( ) 。
```
QStandardItemModel.appendRow (self, list-of-QStandardItem?items)
```
該_items_說法有它的所有權轉移給Qt的。
含追加的行_items_。如果需要的話,列計數值增加到的大小_items_。
這個函數中引入了Qt 4.2中。
**See also** [insertRow](qstandarditemmodel.html#insertRow)()和[appendColumn](qstandarditemmodel.html#appendColumn)( ) 。
```
QStandardItemModel.appendRow (self, QStandardItem?aitem)
```
該_aitem_說法有它的所有權轉移給Qt的。
這是一個重載函數。
當建立一個列表,或者只有一列樹,該功能提供了一種方便的方式來追加一個新_item_。
這個函數中引入了Qt 4.2中。
```
QStandardItemModel.clear (self)
```
從模型中刪除所有項目(包括頭項) ,并設置行數和列數為零。
**See also** [removeColumns](qstandarditemmodel.html#removeColumns)()和[removeRows](qstandarditemmodel.html#removeRows)( ) 。
```
int QStandardItemModel.columnCount (self, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.columnCount](qabstractitemmodel.html#columnCount)( ) 。
**See also** [setColumnCount](qstandarditemmodel.html#setColumnCount)( ) 。
```
QVariant QStandardItemModel.data (self, QModelIndex?index, int?role?=?Qt.DisplayRole)
```
從重新實現[QAbstractItemModel.data](qabstractitemmodel.html#data)( ) 。
**See also** [setData](qstandarditemmodel.html#setData)( ) 。
```
bool QStandardItemModel.dropMimeData (self, QMimeData?data, Qt.DropAction?action, int?row, int?column, QModelIndex?parent)
```
從重新實現[QAbstractItemModel.dropMimeData](qabstractitemmodel.html#dropMimeData)( ) 。
```
list-of-QStandardItem QStandardItemModel.findItems (self, QString?text, Qt.MatchFlags?flags?=?Qt.MatchExactly, int?column?=?0)
```
返回匹配給定的項目清單_text_,使用給定的_flags_在給定的_column_。
這個函數中引入了Qt 4.2中。
```
Qt.ItemFlags QStandardItemModel.flags (self, QModelIndex?index)
```
[](index.htm)
[從重新實現](index.htm)[QAbstractItemModel.flags](qabstractitemmodel.html#flags)( ) 。
```
bool QStandardItemModel.hasChildren (self, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.hasChildren](qabstractitemmodel.html#hasChildren)( ) 。
```
QVariant QStandardItemModel.headerData (self, int?section, Qt.Orientation?orientation, int?role?=?Qt.DisplayRole)
```
從重新實現[QAbstractItemModel.headerData](qabstractitemmodel.html#headerData)( ) 。
**See also** [setHeaderData](qstandarditemmodel.html#setHeaderData)( ) 。
```
QStandardItem QStandardItemModel.horizontalHeaderItem (self, int?column)
```
[
返回水平標題項為_column_如果已經設置,否則返回0 。
這個函數中引入了Qt 4.2中。
](qstandarditem.html)
[**See also**](qstandarditem.html) [setHorizontalHeaderItem](qstandarditemmodel.html#setHorizontalHeaderItem)()和[verticalHeaderItem](qstandarditemmodel.html#verticalHeaderItem)( ) 。
```
QModelIndex QStandardItemModel.index (self, int?row, int?column, QModelIndex?parent?=?QModelIndex())
```
[](qmodelindex.html)
[從重新實現](qmodelindex.html)[QAbstractItemModel.index](qabstractitemmodel.html#index)( ) 。
```
QModelIndex QStandardItemModel.indexFromItem (self, QStandardItem?item)
```
[](qmodelindex.html)
[返回](qmodelindex.html)[QModelIndex](qmodelindex.html)用給定的相關聯_item_。
當您要執行需要的操作使用此功能[QModelIndex](qmodelindex.html)該項目時,如[QAbstractItemView.scrollTo](qabstractitemview.html#scrollTo)( ) 。[QStandardItem.index](qstandarditem.html#index)( )是作為方便,它等效于調用這個函數。
這個函數中引入了Qt 4.2中。
**See also** [itemFromIndex](qstandarditemmodel.html#itemFromIndex)()和[QStandardItem.index](qstandarditem.html#index)( ) 。
```
QStandardItemModel.insertColumn (self, int?column, list-of-QStandardItem?items)
```
該_items_說法有它的所有權轉移給Qt的。
在插入一列_column_ containing _items_。如果有必要,該行數將增加至大小_items_。
這個函數中引入了Qt 4.2中。
**See also** [takeColumn](qstandarditemmodel.html#takeColumn)( )[appendColumn](qstandarditemmodel.html#appendColumn)()和[insertRow](qstandarditemmodel.html#insertRow)( ) 。
```
bool QStandardItemModel.insertColumn (self, int?column, QModelIndex?parent?=?QModelIndex())
```
給定前插入一列_column_中的子項_parent_規定。返回True如果插入的列,否則返回False 。
**See also** [insertColumns](qstandarditemmodel.html#insertColumns)( )[insertRow](qstandarditemmodel.html#insertRow)()和[removeColumn](qabstractitemmodel.html#removeColumn)( ) 。
```
bool QStandardItemModel.insertColumns (self, int?column, int?count, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.insertColumns](qabstractitemmodel.html#insertColumns)( ) 。
```
QStandardItemModel.insertRow (self, int?row, list-of-QStandardItem?items)
```
該_items_說法有它的所有權轉移給Qt的。
插入一個一行_row_ containing _items_。如果需要的話,列計數值增加到的大小_items_。
這個函數中引入了Qt 4.2中。
**See also** [takeRow](qstandarditemmodel.html#takeRow)( )[appendRow](qstandarditemmodel.html#appendRow)()和[insertColumn](qstandarditemmodel.html#insertColumn)( ) 。
```
QStandardItemModel.insertRow (self, int?arow, QStandardItem?aitem)
```
該_aitem_說法有它的所有權轉移給Qt的。
給定前插入一個單行_row_中的子項_parent_規定。返回True如果被插入的行,否則返回False 。
**See also** [insertRows](qstandarditemmodel.html#insertRows)( )[insertColumn](qstandarditemmodel.html#insertColumn)()和[removeRow](qabstractitemmodel.html#removeRow)( ) 。
```
bool QStandardItemModel.insertRow (self, int?row, QModelIndex?parent?=?QModelIndex())
```
這是一個重載函數。
插入一個一行_row_ containing _item_。
當建立一個列表,或者只有一列樹,該功能提供了一種方便的方式來追加新的單一項目。
這個函數中引入了Qt 4.2中。
```
bool QStandardItemModel.insertRows (self, int?row, int?count, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.insertRows](qabstractitemmodel.html#insertRows)( ) 。
```
QStandardItem QStandardItemModel.invisibleRootItem (self)
```
[
返回模型的無形之根項目。
](qstandarditem.html)
[看不見的根項目,通過提供對模型的頂層項目](qstandarditem.html)[QStandardItem](qstandarditem.html)的API ,從而可以寫,可以治療以統一的方式頂級項目及其子女的功能,例如,涉及樹模型遞歸函數。
**Note:**調用[index()](qabstractitemmodel.html#index)在[QStandardItem](qstandarditem.html)從這個功能檢索的對象是無效的。
這個函數中引入了Qt 4.2中。
```
QStandardItem QStandardItemModel.item (self, int?row, int?column?=?0)
```
[
返回的項目為給定的_row_和_column_如果已經設置,否則返回0 。
這個函數中引入了Qt 4.2中。
](qstandarditem.html)
[**See also**](qstandarditem.html) [setItem](qstandarditemmodel.html#setItem)( )[takeItem](qstandarditemmodel.html#takeItem)()和[itemFromIndex](qstandarditemmodel.html#itemFromIndex)( ) 。
```
dict-of-int-QVariant QStandardItemModel.itemData (self, QModelIndex?index)
```
從重新實現[QAbstractItemModel.itemData](qabstractitemmodel.html#itemData)( ) 。
**See also** [setItemData](qstandarditemmodel.html#setItemData)( ) 。
```
QStandardItem QStandardItemModel.itemFromIndex (self, QModelIndex?index)
```
[](qstandarditem.html)
[返回一個指針](qstandarditem.html)[QStandardItem](qstandarditem.html)用給定的相關聯_index_。
調用此函數通常是最初的一步處理時,[QModelIndex](qmodelindex.html)從一個基于視圖的信號,如[QAbstractItemView.activated](qabstractitemview.html#activated)( ) 。在您的插槽,你叫itemFromIndex ( ) ,與[QModelIndex](qmodelindex.html)由信號作為參數進行,得到一個指向相應[QStandardItem](qstandarditem.html)。
注意,這個函數會懶洋洋地創建索引項(使用[itemPrototype](qstandarditemmodel.html#itemPrototype)( ) ) ,并將其設置在父項的子表,如果沒有項目已經存在該索引。
If _index_是一個無效的指標,這個函數返回0 。
這個函數中引入了Qt 4.2中。
**See also** [indexFromItem](qstandarditemmodel.html#indexFromItem)( ) 。
```
QStandardItem QStandardItemModel.itemPrototype (self)
```
[](qstandarditem.html)
[返回產品原型所使用的模型。該模型使用的項目原型作為項目的工廠時,它需要構建隨需應變的新項目(例如,當一個視圖或項目委讬調用](qstandarditem.html)[setData](qstandarditemmodel.html#setData)())。
這個函數中引入了Qt 4.2中。
**See also** [setItemPrototype](qstandarditemmodel.html#setItemPrototype)( ) 。
```
QMimeData QStandardItemModel.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 QStandardItemModel.mimeTypes (self)
```
從重新實現[QAbstractItemModel.mimeTypes](qabstractitemmodel.html#mimeTypes)( ) 。
```
QModelIndex QStandardItemModel.parent (self, QModelIndex?child)
```
[](qmodelindex.html)
[從重新實現](qmodelindex.html)[QAbstractItemModel.parent](qabstractitemmodel.html#parent)( ) 。
```
QObject QStandardItemModel.parent (self)
```
[
```
bool QStandardItemModel.removeColumns (self, int?column, int?count, QModelIndex?parent?=?QModelIndex())
```
](qobject.html)
[從重新實現](qobject.html)[QAbstractItemModel.removeColumns](qabstractitemmodel.html#removeColumns)( ) 。
```
bool QStandardItemModel.removeRows (self, int?row, int?count, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.removeRows](qabstractitemmodel.html#removeRows)( ) 。
```
int QStandardItemModel.rowCount (self, QModelIndex?parent?=?QModelIndex())
```
從重新實現[QAbstractItemModel.rowCount](qabstractitemmodel.html#rowCount)( ) 。
**See also** [setRowCount](qstandarditemmodel.html#setRowCount)( ) 。
```
QStandardItemModel.setColumnCount (self, int?columns)
```
載列在這個模型數_columns_。如果它小于[columnCount](qstandarditemmodel.html#columnCount)() ,在不需要的列中的數據將被丟棄。
這個函數中引入了Qt 4.2中。
**See also** [columnCount](qstandarditemmodel.html#columnCount)()和[setRowCount](qstandarditemmodel.html#setRowCount)( ) 。
```
bool QStandardItemModel.setData (self, QModelIndex?index, QVariant?value, int?role?=?Qt.EditRole)
```
從重新實現[QAbstractItemModel.setData](qabstractitemmodel.html#setData)( ) 。
**See also** [data](qstandarditemmodel.html#data)( ) 。
```
bool QStandardItemModel.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](qstandarditemmodel.html#headerData)( ) 。
```
QStandardItemModel.setHorizontalHeaderItem (self, int?column, QStandardItem?item)
```
該_item_說法有它的所有權轉移給Qt的。
設置水平標題項為_column_至_item_。該模型考慮了項目的所有權。如果需要的話,列計數增加,以適應產品。以前的標題項(如果有的話)將被刪除。
這個函數中引入了Qt 4.2中。
**See also** [horizontalHeaderItem](qstandarditemmodel.html#horizontalHeaderItem)( )[setHorizontalHeaderLabels](qstandarditemmodel.html#setHorizontalHeaderLabels)()和[setVerticalHeaderItem](qstandarditemmodel.html#setVerticalHeaderItem)( ) 。
```
QStandardItemModel.setHorizontalHeaderLabels (self, QStringList?labels)
```
設置使用水平標題標籤_labels_。如果需要的話,列計數值增加到的大小_labels_。
這個函數中引入了Qt 4.2中。
**See also** [setHorizontalHeaderItem](qstandarditemmodel.html#setHorizontalHeaderItem)( ) 。
```
QStandardItemModel.setItem (self, int?row, int?column, QStandardItem?item)
```
該_item_說法有它的所有權轉移給Qt的。
設置項對于給定的_row_和_column_至_item_。該模型考慮了項目的所有權。如果必要,行數和列數都增加,以適應產品。在給定位置(如果有的話)上一個項目被刪除。
這個函數中引入了Qt 4.2中。
**See also** [item](qstandarditemmodel.html#item)( ) 。
```
QStandardItemModel.setItem (self, int?arow, QStandardItem?aitem)
```
該_aitem_說法有它的所有權轉移給Qt的。
這是一個重載函數。
```
bool QStandardItemModel.setItemData (self, QModelIndex?index, dict-of-int-QVariant?roles)
```
從重新實現[QAbstractItemModel.setItemData](qabstractitemmodel.html#setItemData)( ) 。
**See also** [itemData](qstandarditemmodel.html#itemData)( ) 。
```
QStandardItemModel.setItemPrototype (self, QStandardItem?item)
```
該_item_說法有它的所有權轉移給Qt的。
設置項的原型模型的指定的_item_。該模型采用原型的所有權。
該項目的原型作為一個[QStandardItem](qstandarditem.html)工廠,所依托的[QStandardItem.clone](qstandarditem.html#clone)()函數。提供自己的原型,子類[QStandardItem](qstandarditem.html),重新實現[QStandardItem.clone](qstandarditem.html#clone)()和set原型是您的自定義類的實例。每當[QStandardItemModel](qstandarditemmodel.html)需要按需創建一個項目(例如,視圖或項目委讬呼叫時[setData](qstandarditemmodel.html#setData)( ) ) ) ,該新項目將是你的自定義類的實例。
這個函數中引入了Qt 4.2中。
**See also** [itemPrototype](qstandarditemmodel.html#itemPrototype)()和[QStandardItem.clone](qstandarditem.html#clone)( ) 。
```
QStandardItemModel.setRowCount (self, int?rows)
```
設定排在這個模型數_rows_。如果它小于[rowCount](qstandarditemmodel.html#rowCount)() ,在不需要的行中的數據將被丟棄。
這個函數中引入了Qt 4.2中。
**See also** [rowCount](qstandarditemmodel.html#rowCount)()和[setColumnCount](qstandarditemmodel.html#setColumnCount)( ) 。
```
QStandardItemModel.setSortRole (self, int?role)
```
```
QStandardItemModel.setVerticalHeaderItem (self, int?row, QStandardItem?item)
```
該_item_說法有它的所有權轉移給Qt的。
設置垂直標題項為_row_至_item_。該模型考慮了項目的所有權。如果必要,行計數增加,以適應產品。以前的標題項(如果有的話)將被刪除。
這個函數中引入了Qt 4.2中。
**See also** [verticalHeaderItem](qstandarditemmodel.html#verticalHeaderItem)( )[setVerticalHeaderLabels](qstandarditemmodel.html#setVerticalHeaderLabels)()和[setHorizontalHeaderItem](qstandarditemmodel.html#setHorizontalHeaderItem)( ) 。
```
QStandardItemModel.setVerticalHeaderLabels (self, QStringList?labels)
```
設置使用垂直標題標籤_labels_。如果有必要,該行數將增加至大小_labels_。
這個函數中引入了Qt 4.2中。
**See also** [setVerticalHeaderItem](qstandarditemmodel.html#setVerticalHeaderItem)( ) 。
```
QStandardItemModel.sort (self, int?column, Qt.SortOrder?order?=?Qt.AscendingOrder)
```
從重新實現[QAbstractItemModel.sort](qabstractitemmodel.html#sort)( ) 。
```
int QStandardItemModel.sortRole (self)
```
```
Qt.DropActions QStandardItemModel.supportedDropActions (self)
```
[](index.htm)
[從重新實現](index.htm)[QAbstractItemModel.supportedDropActions](qabstractitemmodel.html#supportedDropActions)( ) 。
[QStandardItemModel](qstandarditemmodel.html)支持復制和移動兩種。
```
list-of-QStandardItem QStandardItemModel.takeColumn (self, int?column)
```
該_list-of-QStandardItem_結果
刪除給定的_column_不刪除的列項,并返回指針列表的刪除的項。該模型釋放的物品的所有權。在尚未設定的列項,列表中的相應指針將是0 。
這個函數中引入了Qt 4.2中。
**See also** [takeRow](qstandarditemmodel.html#takeRow)( ) 。
```
QStandardItem QStandardItemModel.takeHorizontalHeaderItem (self, int?column)
```
[
該_QStandardItem_結果
刪除在水平標題項_column_從標題而不刪除它,并返回一個指向的項目。該模型發布該項目的所有權。
這個函數中引入了Qt 4.2中。
](qstandarditem.html)
[**See also**](qstandarditem.html) [horizontalHeaderItem](qstandarditemmodel.html#horizontalHeaderItem)()和[takeVerticalHeaderItem](qstandarditemmodel.html#takeVerticalHeaderItem)( ) 。
```
QStandardItem QStandardItemModel.takeItem (self, int?row, int?column?=?0)
```
[
該_QStandardItem_結果
刪除的項目(_row_,_column_)而不刪除它。該模型發布該項目的所有權。
這個函數中引入了Qt 4.2中。
](qstandarditem.html)
[**See also**](qstandarditem.html) [item](qstandarditemmodel.html#item)( )[takeRow](qstandarditemmodel.html#takeRow)()和[takeColumn](qstandarditemmodel.html#takeColumn)( ) 。
```
list-of-QStandardItem QStandardItemModel.takeRow (self, int?row)
```
該_list-of-QStandardItem_結果
刪除給定的_row_不刪除的行項目,并返回指針列表的刪除的項目。該模型釋放的物品的所有權。對于沒有被設置的行中的項目,列表中的相應指針將是0 。
這個函數中引入了Qt 4.2中。
**See also** [takeColumn](qstandarditemmodel.html#takeColumn)( ) 。
```
QStandardItem QStandardItemModel.takeVerticalHeaderItem (self, int?row)
```
[
該_QStandardItem_結果
刪除在垂直標題項_row_從標題而不刪除它,并返回一個指向的項目。該模型發布該項目的所有權。
這個函數中引入了Qt 4.2中。
](qstandarditem.html)
[**See also**](qstandarditem.html) [verticalHeaderItem](qstandarditemmodel.html#verticalHeaderItem)()和[takeHorizontalHeaderItem](qstandarditemmodel.html#takeHorizontalHeaderItem)( ) 。
```
QStandardItem QStandardItemModel.verticalHeaderItem (self, int?row)
```
[
返回行的垂直標題項_row_如果已經設置,否則返回0 。
這個函數中引入了Qt 4.2中。
](qstandarditem.html)
[**See also**](qstandarditem.html) [setVerticalHeaderItem](qstandarditemmodel.html#setVerticalHeaderItem)()和[horizontalHeaderItem](qstandarditemmodel.html#horizontalHeaderItem)( ) 。
* * *
## Qt Signal Documentation
```
void itemChanged (QStandardItem *)
```
這是該信號的默認超載。
這個信號被發射時的數據_item_已經改變。
這個函數中引入了Qt 4.2中。
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- QUrlInfo Class Reference
- QUuid Class Reference
- QValidator Class Reference
- QVariant Class Reference
- QVariantAnimation Class Reference
- QVBoxLayout Class Reference
- QVector2D Class Reference
- QVector3D Class Reference
- QVector4D Class Reference
- QVideoFrame Class Reference
- QVideoSurfaceFormat Class Reference
- QWaitCondition Class Reference
- QWebDatabase Class Reference
- QWebElement Class Reference
- QWebElementCollection Class Reference
- QWebFrame Class Reference
- QWebHistory Class Reference
- QWebHistoryInterface Class Reference
- QWebHistoryItem Class Reference
- QWebHitTestResult Class Reference
- QWebInspector Class Reference
- QWebPage Class Reference
- QWebPluginFactory Class Reference
- QWebSecurityOrigin Class Reference
- QWebSettings Class Reference
- QWebView Class Reference
- QWhatsThis Class Reference
- QWhatsThisClickedEvent Class Reference
- QWheelEvent Class Reference
- QWidget Class Reference
- QWidgetAction Class Reference
- QWidgetItem Class Reference
- QWindowStateChangeEvent Class Reference
- QWizard Class Reference
- QWizardPage Class Reference
- QWorkspace Class Reference
- QWriteLocker Class Reference
- QX11EmbedContainer Class Reference
- QX11EmbedWidget Class Reference
- QX11Info Class Reference
- QXmlAttributes Class Reference
- QXmlContentHandler Class Reference
- QXmlDeclHandler Class Reference
- QXmlDefaultHandler Class Reference
- QXmlDTDHandler Class Reference
- QXmlEntityResolver Class Reference
- QXmlErrorHandler Class Reference
- QXmlFormatter Class Reference
- QXmlInputSource Class Reference
- QXmlItem Class Reference
- QXmlLexicalHandler Class Reference
- QXmlLocator Class Reference
- QXmlName Class Reference
- QXmlNamePool Class Reference
- QXmlNamespaceSupport Class Reference
- QXmlNodeModelIndex Class Reference
- QXmlParseException Class Reference
- QXmlQuery Class Reference
- QXmlReader Class Reference
- QXmlResultItems Class Reference
- QXmlSchema Class Reference
- QXmlSchemaValidator Class Reference
- QXmlSerializer Class Reference
- QXmlSimpleReader Class Reference
- QXmlStreamAttribute Class Reference
- QXmlStreamAttributes Class Reference
- QXmlStreamEntityDeclaration Class Reference
- QXmlStreamEntityResolver Class Reference
- QXmlStreamNamespaceDeclaration Class Reference
- QXmlStreamNotationDeclaration Class Reference
- QXmlStreamReader Class Reference
- QXmlStreamWriter Class Reference