org.jmol.util
public final class CommandHistory extends Object
Modifier and Type | Field and Description |
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private List<String> |
commandList
Array of commands.
|
private int |
cursorPos
Current position of the cursor;
|
(package private) static int |
DEFAULT_MAX_SIZE |
static String |
ERROR_FLAG |
(package private) boolean |
isOn |
private int |
maxSize |
private int |
nextCommand
Position of the next command.
|
static String |
NOHISTORYATALL_FLAG |
static String |
NOHISTORYLINE_FLAG |
Constructor and Description |
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CommandHistory()
Creates a new instance using the default size (100)
|
CommandHistory(int maxSize)
Creates a new instance.
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Modifier and Type | Method and Description |
---|---|
void |
addCommand(String strCommand)
Adds any number of lines to the command history
|
private void |
addCommandLine(String command)
Adds a single line to the bottom of the list, resets list position.
|
void |
clear()
clears the history.
|
private String |
getCommand()
Calculates the command to return.
|
String |
getCommandDown()
Retrieves the following command from the top of the list, updates list position.
|
String |
getCommandUp()
Retrieves the following command from the bottom of the list, updates list position.
|
String |
getSetHistory(int n)
Options include:
all Integer.MAX_VALUE
n prev n >= 1
next -1
set max to -2 - n n <= -3
just clear -2
clear and turn off; return "" 0
clear and turn on; return "" Integer.MIN_VALUE;
|
String |
removeCommand() |
String |
removeCommand(int n) |
void |
reset(int maxSize)
Resets instance.
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void |
setMaxSize(int maxSize)
Resets maximum size of command queue.
|
public static final String ERROR_FLAG
public static final String NOHISTORYLINE_FLAG
public static final String NOHISTORYATALL_FLAG
static final int DEFAULT_MAX_SIZE
private int maxSize
private int nextCommand
private int cursorPos
boolean isOn
public CommandHistory()
public CommandHistory(int maxSize)
maxSize
- maximum size for the command queuepublic void clear()
public void reset(int maxSize)
maxSize
- maximum size for the command queue.public void setMaxSize(int maxSize)
maxSize
- maximum size for the command queue.public String getCommandUp()
public String getCommandDown()
private String getCommand()
public void addCommand(String strCommand)
strCommand
- public String getSetHistory(int n)
n
- public String removeCommand()
public String removeCommand(int n)
private void addCommandLine(String command)
command
- the String value of a command.