#include <DACommandsDataFrame.h>

类 DA::DACommandDataFrame_insertColumn 继承关系图:

Public 成员函数
	DACommandDataFrame_insertColumn (const DAPyDataFrame &df, int col, const QString &name, const QVariant &defaultvalue, QUndoCommand *par=nullptr)
	插入列

	DACommandDataFrame_insertColumn (const DAPyDataFrame &df, int col, const QString &name, const QVariant &start, const QVariant &stop, QUndoCommand *par=nullptr)
	DACommandDataFrame_insertColumn::DACommandDataFrame_insertColumn

virtual void	undo () override

virtual bool	exec () override
	执行函数，此函数返回false，说明执行失败，不应该被放入command stack中，在DACommandWithRedoCount中，exec函数应该替代redo函数

Public 成员函数继承自 DA::DACommandWithTemporaryData
	DACommandWithTemporaryData (const DAPyDataFrame &df, QUndoCommand *par=nullptr, bool saveOnConstruct=true)
	构造函数执行会自动把原始的dataframe保存到临时目录中

QString	getTemplateFileName () const
	获取临时文件的路径

QDir	templateDir () const
	获得临时路径

QString	getTemplateFilePath () const
	获取临时文件的完整路径

bool	save ()
	把dataframe保存到临时文件中

bool	load ()
	从文件加载回来

DAPyDataFrame &	dataframe ()

const DAPyDataFrame &	dataframe () const

Public 成员函数继承自 DA::DACommandWithRedoCount
	DACommandWithRedoCount (QUndoCommand *par=nullptr)

virtual void	redo () override

Public 成员函数继承自 DA::DACallBackInterface
void	setCallBack (CallBack fn)

CallBack	getCallBack () const

void	callback ()

bool	hasCallback () const

额外继承的成员函数
Public 类型继承自 DA::DACallBackInterface
using	CallBack = std::function< void() >

静态 Public 成员函数继承自 DA::DACommandWithTemporaryData
static QString	getDataframeTempPath ()
	获取Dataframe保存的临时文件路径

Protected 属性继承自 DA::DACommandWithTemporaryData
DAPyDataFrame	mDataframe

Protected 属性继承自 DA::DACommandWithRedoCount
bool	mIsFirstRedo { true }

详细描述

插入列

构造及析构函数说明

◆ DACommandDataFrame_insertColumn() [1/2]

DA::DACommandDataFrame_insertColumn::DACommandDataFrame_insertColumn	(	const DAPyDataFrame &	df,
		int	col,
		const QString &	name,
		const QVariant &	defaultvalue,
		QUndoCommand *	par = `nullptr`
	)

插入列

da_insert_column(df=df, col=col, name=name,defaultvalue=defaultvalue)

参数

df
col
name
defaultvalue
model
par

◆ DACommandDataFrame_insertColumn() [2/2]

DA::DACommandDataFrame_insertColumn::DACommandDataFrame_insertColumn	(	const DAPyDataFrame &	df,
		int	col,
		const QString &	name,
		const QVariant &	start,
		const QVariant &	stop,
		QUndoCommand *	par = `nullptr`
	)

DACommandDataFrame_insertColumn::DACommandDataFrame_insertColumn

da_insert_column(df=df, col=col, name=name,start=start,stop=stop) da_insert_column(df=df, col=col, name=name,dtype=np.datetime64,start='2020-01-01',stop='2021-01-01')

参数

df
col
name
start
stop
model
par

成员函数说明

◆ exec()

bool DA::DACommandDataFrame_insertColumn::exec ( )

overridevirtual

执行函数，此函数返回false，说明执行失败，不应该被放入command stack中，在DACommandWithRedoCount中，exec函数应该替代redo函数

返回

重载 DA::DACommandWithRedoCount .

该类的文档由以下文件生成:

/home/runner/work/data-workbench/data-workbench/src/DAGui/Commands/DACommandsDataFrame.h
/home/runner/work/data-workbench/data-workbench/src/DAGui/Commands/DACommandsDataFrame.cpp