Package org.jjazz.cl_editor.api

Class CopyBuffer

java.lang.Object

org.jjazz.cl_editor.api.CopyBuffer

public class CopyBuffer
extends Object

Singleton class to manage ChordLeadSheetItems and Bars for copy/paste operations. There are 2 modes of copy, ItemMode and BarMode.

Method Summary

Modifier and Type	Method	Description
void	barModeCopy(List<ChordLeadSheetItem> items, int fromBarIndex, int toBarIndex)	Put a copy of each item in the buffer in BarMode
void	clear()
int	getBarMaxIndex()
int	getBarMinIndex()
static CopyBuffer	getInstance()
List<ChordLeadSheetItem>	getItemsCopy(ChordLeadSheet targetCls, int targetBarIndex)	Return a copy of the items in the buffer adjusted to targetBarIndex and with the specified container.
int	getSize()
boolean	isBarCopyMode()
boolean	isEmpty()
void	itemModeCopy(List<? extends ChordLeadSheetItem> items)	Put items in the buffer in ItemMode.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getInstance

public static CopyBuffer getInstance()

itemModeCopy

public void itemModeCopy(List<? extends ChordLeadSheetItem> items)

Put items in the buffer in ItemMode.

Parameters:

items -

barModeCopy

public void barModeCopy(List<ChordLeadSheetItem> items,
 int fromBarIndex,
 int toBarIndex)

Put a copy of each item in the buffer in BarMode

Parameters:

items -

fromBarIndex -

toBarIndex -

clear

public void clear()

getSize

public int getSize()

Returns:

int The size of ChordLeadSheetItems in the buffer.

isBarCopyMode

public boolean isBarCopyMode()

getBarMinIndex

public int getBarMinIndex()

getBarMaxIndex

public int getBarMaxIndex()

isEmpty

public boolean isEmpty()

getItemsCopy

public List<ChordLeadSheetItem> getItemsCopy(ChordLeadSheet targetCls,
 int targetBarIndex)

Return a copy of the items in the buffer adjusted to targetBarIndex and with the specified container.

In ItemMode, the items are shitfed so the first item start at targetBarIndex. In BarMode, the items are shifted so that getBarMinIndex() match targetBarIndex.

Parameters:

targetCls - The container of the new items. If null container is not changed.

targetBarIndex - The barIndex where items are copied to. If barIndex<0, positions are not changed. @return

Returns: