## org.gjt.sp.jedit
Class jEdit

    java.lang.Object
      org.gjt.sp.jedit.jEdit

    public class jEdit

extends java.lang.Object

The main class of the jEdit text editor.

Nested Class Summary
`static class` `jEdit.JEditPropertyManager`

Method Summary
`static void` `_closeBuffer(View view, Buffer buffer)` Closes the buffer, even if it has unsaved changes.
`static Buffer` `_getBuffer(java.lang.String path)` Returns the buffer with the specified path name.
`static void` `addActionSet(ActionSet actionSet)` Adds a new action set to jEdit's list of ActionSets (viewable from the shortcuts option pane).
`static void` `addPluginJAR(java.lang.String path)` Loads the plugin JAR with the specified path.
`static void` `backupSettingsFile(java.io.File file)` Backs up the specified file in the settings directory.
`static void` `checkBufferStatus(View view)` Checks each buffer's status on disk and shows the dialog box informing the user that buffers changed on disk, if necessary.
`static void` `checkBufferStatus(View view, boolean currentBuffer)` Checks buffer status on disk and shows the dialog box informing the user that buffers changed on disk, if necessary.
`static boolean` `closeAllBuffers(View view)` Closes all open buffers.
`static boolean` `closeAllBuffers(View view, boolean isExiting)` Closes all open buffers.
`static void` `closeBuffer(EditPane editPane, Buffer buffer)` Close a buffer.
`static boolean` `closeBuffer(View view, Buffer buffer)` Closes a buffer.
`static void` `closeView(View view)` Closes a view.
`static void` `commitTemporary(Buffer buffer)` Adds a temporary buffer to the buffer list.
`static void` `exit(View view, boolean reallyExit)` Exits cleanly from jEdit, prompting the user if any unsaved files should be saved first.
`static EditAction` `getAction(java.lang.String name)` Returns the specified action.
`static ActionContext` `getActionContext()` Returns the action context used to store editor actions.
`static java.lang.String[]` `getActionNames()` Returns all registered action names.
`static ActionSet` `getActionSetForAction(java.lang.String action)` Returns the action set that contains the specified action.
`static ActionSet[]` `getActionSets()` Returns all registered action sets.
`static View` `getActiveView()` Returns the currently focused view.
`static View` `getActiveViewInternal()` Returns the internal active view, which might be null.
`static boolean` `getBooleanProperty(java.lang.String name)` Returns the value of a boolean property.
`static boolean` `getBooleanProperty(java.lang.String name, boolean def)` Returns the value of a boolean property.
`static Buffer` `getBuffer(java.lang.String path)` Returns the buffer with the specified path name.
`static int` `getBufferCount()` Returns the number of open buffers.
`static Buffer[]` `getBuffers()` Returns an array of open buffers.
`static BufferSetManager` `getBufferSetManager()` Returns the bufferSet manager.
`static java.lang.String` `getBuild()` Returns the internal version.
`static ActionSet` `getBuiltInActionSet()` Returns the set of commands built into jEdit.
`static java.awt.Color` `getColorProperty(java.lang.String name)` Returns the value of a color property.
`static java.awt.Color` `getColorProperty(java.lang.String name, java.awt.Color def)` Returns the value of a color property.
`static double` `getDoubleProperty(java.lang.String name, double def)`
`static EditServer` `getEditServer()` Returns the edit server instance.
`static Buffer` `getFirstBuffer()` Returns the first buffer.
`static View` `getFirstView()` Returns the first view.
`static java.awt.Font` `getFontProperty(java.lang.String name)` Returns the value of a font property.
`static java.awt.Font` `getFontProperty(java.lang.String name, java.awt.Font def)` Returns the value of a font property.
`static InputHandler` `getInputHandler()` Returns the current input handler (key binding to action mapping)
`static int` `getIntegerProperty(java.lang.String name)` Returns the value of an integer property.
`static int` `getIntegerProperty(java.lang.String name, int def)` Returns the value of an integer property.
`static java.lang.String` `getJARCacheDirectory()` Returns the directory where plugin cache files are stored.
`static java.lang.String` `getJEditHome()` Returns the jEdit install directory.
`static Buffer` `getLastBuffer()` Returns the last buffer.
`static View` `getLastView()` Returns the last view.
`static Mode` `getMode(java.lang.String name)` Returns the edit mode with the specified name.
`static Mode[]` `getModes()` Returns an array of installed edit modes.
`static int` `getNextUntitledBufferId()`
`static java.lang.String[]` `getNotLoadedPluginJARs()` Returns a list of plugin JARs pathnames that are not currently loaded by examining the user and system plugin directories.
`static EditPlugin` `getPlugin(java.lang.String name)` Returns the plugin with the specified class name.
`static EditPlugin` `getPlugin(java.lang.String name, boolean loadIfNecessary)` Returns the plugin with the specified class name.
`static PluginJAR` `getPluginJAR(java.lang.String path)` Returns the JAR with the specified path name.
`static PluginJAR[]` `getPluginJARs()` Returns an array of installed plugins.
`static EditPlugin[]` `getPlugins()` Returns an array of installed plugins.
`static java.util.Properties` `getProperties()` Returns the properties object which contains all known jEdit properties.
`static java.lang.String` `getProperty(java.lang.String name)` Fetches a property, returning null if it's not defined.
`static java.lang.String` `getProperty(java.lang.String name, java.lang.Object[] args)` Returns the property with the specified name.
`static java.lang.String` `getProperty(java.lang.String name, java.lang.String def)` Fetches a property, returning the default value if it's not defined.
`static jEdit.JEditPropertyManager` `getPropertyManager()`
`static java.lang.String` `getRegisterStatusPrompt(java.lang.String action)` Returns the status prompt for the given register action.
`static java.lang.String` `getSettingsDirectory()` Returns the path of the directory where user-specific settings are stored.
`static java.lang.String` `getVersion()` Returns the jEdit version as a human-readable string.
`static int` `getViewCount()` Returns the number of open views.
`static View[]` `getViews()` Returns an array of all open views.
`static boolean` `isBackgroundModeEnabled()` Returns true if jEdit was started with the `-background` command-line switch.
`static boolean` `isMainThread()` Returns true if the currently running thread is the main thread.
`static boolean` `isStartupDone()` Whether jEdit startup is over.
`static void` `main(java.lang.String[] args)` The main method of the jEdit application.
`static void` `moveBuffer(EditPane editPane, int oldPosition, int newPosition)` Moves a buffer from a old position to a new position in the BufferSet used in an EditPane.
`static Buffer` `newFile(EditPane editPane)` Creates a new `untitled' file.
`static Buffer` `newFile(EditPane editPane, java.lang.String dir)` Creates a new `untitled' file.
`static Buffer` `newFile(View view)` Creates a new `untitled' file.
`static Buffer` `newFile(View view, java.lang.String dir)` Creates a new `untitled' file.
`static View` `newView(View view)` Creates a new view.
`static View` `newView(View view, Buffer buffer)` Creates a new view of a buffer.
`static View` `newView(View view, Buffer buffer, boolean plainView)` Creates a new view of a buffer.
`static View` `newView(View view, Buffer buffer, View.ViewConfig config)` Creates a new view.
`static Buffer` `openFile(EditPane editPane, java.lang.String path)` Opens a file.
`static Buffer` `openFile(EditPane editPane, java.lang.String parent, java.lang.String path, boolean newFile, java.util.Hashtable props)` Opens a file.
`static Buffer` `openFile(View view, java.lang.String path)` Opens a file.
`static Buffer` `openFile(View view, java.lang.String parent, java.lang.String path, boolean newFile, java.util.Hashtable props)` Opens a file.
`static Buffer` `openFileAfterStartup(java.lang.String path)` Opens a file, either immediately if the application is finished starting up, or after the first view has been created if not.
`static Buffer` `openFiles(View view, java.lang.String parent, java.lang.String[] args)` Opens the file names specified in the argument array.
`static Buffer` `openTemporary(View view, java.lang.String parent, java.lang.String path, boolean newFile)` Opens a temporary buffer.
`static Buffer` `openTemporary(View view, java.lang.String parent, java.lang.String path, boolean newFile, java.util.Hashtable props)` Opens a temporary buffer.
`static void` `propertiesChanged()` Reloads various settings from the properties.
`static void` `reloadAllBuffers(View view, boolean confirm)` Reloads all open buffers.
`static void` `reloadModes()` Reloads all edit modes.
`static void` `relocateSettings()`
`static void` `removeActionSet(ActionSet actionSet)` Removes an action set from jEdit's list.
`static void` `removePluginJAR(PluginJAR jar, boolean exit)` Unloads the given plugin JAR with the specified path.
`static void` `resetProperty(java.lang.String name)` Resets a property to its default value.
`static void` `saveAllBuffers(View view)` Saves all open buffers.
`static void` `saveAllBuffers(View view, boolean confirm)` Saves all open buffers.
`static void` `saveSettings()` Saves all user preferences to disk.
`static void` `setBooleanProperty(java.lang.String name, boolean value)` Sets a boolean property.
`static void` `setColorProperty(java.lang.String name, java.awt.Color value)` Sets the value of a color property.
`static void` `setDoubleProperty(java.lang.String name, double value)`
`static void` `setFontProperty(java.lang.String name, java.awt.Font value)` Sets the value of a font property.
`static void` `setIntegerProperty(java.lang.String name, int value)` Sets the value of an integer property.
`static void` `setProperty(java.lang.String name, java.lang.String value)` Sets a property to a new value.
`static void` `setTemporaryProperty(java.lang.String name, java.lang.String value)` Sets a property to a new value.
`static void` `showMemoryDialog(View view)` Performs garbage collection and displays a dialog box showing memory status.
`static void` `unsetProperty(java.lang.String name)` Unsets (clears) a property.
`static void` `visit(JEditVisitor visitor)` Visit the views, editpanes and textareas

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Method Detail

### getVersion

    public static java.lang.String getVersion()

  Returns the jEdit version as a human-readable string.

### getBuild

    public static java.lang.String getBuild()

  Returns the internal version. MiscUtilities.compareStrings() can be used to compare different internal versions.

### main

    public static void main(java.lang.String[] args)

  The main method of the jEdit application. This should never be invoked directly.

  Parameters:
    `args` - The command line arguments

### getProperties

    public static java.util.Properties getProperties()

  Returns the properties object which contains all known jEdit properties. Note that as of jEdit 4.2pre10, this returns a new collection, not the existing properties instance.

  Since:
    jEdit 3.1pre4

### getProperty

    public static java.lang.String getProperty(java.lang.String name)

  Fetches a property, returning null if it's not defined.

  Parameters:
    `name` - The property

### getProperty

    public static java.lang.String getProperty(java.lang.String name,
                                               java.lang.String def)

  Fetches a property, returning the default value if it's not defined.

  Parameters:
    `name` - The property
    `def` - The default value

### getProperty

    public static java.lang.String getProperty(java.lang.String name,
                                               java.lang.Object[] args)

  Returns the property with the specified name.

  The elements of the `args` array are substituted into the value of the property in place of strings of the form `{n}`, where `n` is an index in the array.

  You can find out more about this feature by reading the documentation for the `format` method of the `java.text.MessageFormat` class.

  Parameters:
    `name` - The property
    `args` - The positional parameters

### getBooleanProperty

    public static boolean getBooleanProperty(java.lang.String name)

  Returns the value of a boolean property.

  Parameters:
    `name` - The property

### getBooleanProperty

    public static boolean getBooleanProperty(java.lang.String name,
                                             boolean def)

  Returns the value of a boolean property.

  Parameters:
    `name` - The property
    `def` - The default value

### getIntegerProperty

    public static int getIntegerProperty(java.lang.String name)

  Returns the value of an integer property.

  Parameters:
    `name` - The property

### getIntegerProperty

    public static int getIntegerProperty(java.lang.String name,
                                         int def)

  Returns the value of an integer property.

  Parameters:
    `name` - The property
    `def` - The default value
  Since:
    jEdit 4.0pre1

### getDoubleProperty

    public static double getDoubleProperty(java.lang.String name,
                                           double def)

### getFontProperty

    public static java.awt.Font getFontProperty(java.lang.String name)

  Returns the value of a font property. The family is stored in the `name` property, the font size is stored in the `namesize` property, and the font style is stored in `namestyle`. For example, if `name` is `view.gutter.font`, the properties will be named `view.gutter.font`, `view.gutter.fontsize`, and `view.gutter.fontstyle`.

  Parameters:
    `name` - The property
  Since:
    jEdit 4.0pre1

### getFontProperty

    public static java.awt.Font getFontProperty(java.lang.String name,
                                                java.awt.Font def)

  Returns the value of a font property. The family is stored in the `name` property, the font size is stored in the `namesize` property, and the font style is stored in `namestyle`. For example, if `name` is `view.gutter.font`, the properties will be named `view.gutter.font`, `view.gutter.fontsize`, and `view.gutter.fontstyle`.

  Parameters:
    `name` - The property
    `def` - The default value
  Since:
    jEdit 4.0pre1

### getColorProperty

    public static java.awt.Color getColorProperty(java.lang.String name)

  Returns the value of a color property.

  Parameters:
    `name` - The property name
  Since:
    jEdit 4.0pre1

### getColorProperty

    public static java.awt.Color getColorProperty(java.lang.String name,
                                                  java.awt.Color def)

  Returns the value of a color property.

  Parameters:
    `name` - The property name
    `def` - The default value
  Since:
    jEdit 4.0pre1

### setColorProperty

    public static void setColorProperty(java.lang.String name,
                                        java.awt.Color value)

  Sets the value of a color property.

  Parameters:
    `name` - The property name
    `value` - The value
  Since:
    jEdit 4.0pre1

### setProperty

    public static void setProperty(java.lang.String name,
                                   java.lang.String value)

  Sets a property to a new value.

  Parameters:
    `name` - The property
    `value` - The new value

### setTemporaryProperty

    public static void setTemporaryProperty(java.lang.String name,
                                            java.lang.String value)

  Sets a property to a new value. Properties set using this method are not saved to the user properties list.

  Parameters:
    `name` - The property
    `value` - The new value
  Since:
    jEdit 2.3final

### setBooleanProperty

    public static void setBooleanProperty(java.lang.String name,
                                          boolean value)

  Sets a boolean property.

  Parameters:
    `name` - The property
    `value` - The value

### setIntegerProperty

    public static void setIntegerProperty(java.lang.String name,
                                          int value)

  Sets the value of an integer property.

  Parameters:
    `name` - The property
    `value` - The value
  Since:
    jEdit 4.0pre1

### setDoubleProperty

    public static void setDoubleProperty(java.lang.String name,
                                         double value)

### setFontProperty

    public static void setFontProperty(java.lang.String name,
                                       java.awt.Font value)

  Sets the value of a font property. The family is stored in the `name` property, the font size is stored in the `namesize` property, and the font style is stored in `namestyle`. For example, if `name` is `view.gutter.font`, the properties will be named `view.gutter.font`, `view.gutter.fontsize`, and `view.gutter.fontstyle`.

  Parameters:
    `name` - The property
    `value` - The value
  Since:
    jEdit 4.0pre1

### unsetProperty

    public static void unsetProperty(java.lang.String name)

  Unsets (clears) a property.

  Parameters:
    `name` - The property

### resetProperty

    public static void resetProperty(java.lang.String name)

  Resets a property to its default value.

  Parameters:
    `name` - The property
  Since:
    jEdit 2.5pre3

### propertiesChanged

    public static void propertiesChanged()

  Reloads various settings from the properties.

### getNotLoadedPluginJARs

    public static java.lang.String[] getNotLoadedPluginJARs()

  Returns a list of plugin JARs pathnames that are not currently loaded by examining the user and system plugin directories.

  Since:
    jEdit 3.2pre1

### getPlugin

    public static EditPlugin getPlugin(java.lang.String name)

  Returns the plugin with the specified class name. Only works for plugins that were loaded.

### getPlugin

    public static EditPlugin getPlugin(java.lang.String name,
                                       boolean loadIfNecessary)

  Returns the plugin with the specified class name. If * `loadIfNecessary` is true, the plugin will be searched for, loaded, and activated in case it has not yet been loaded.

  Parameters:
    `name` - the classname of the main Plugin class.
    `loadIfNecessary` - - loads plugin + dependencies if it is not loaded yet.
  Since:
    jEdit 4.2pre4

### getPlugins

    public static EditPlugin[] getPlugins()

  Returns an array of installed plugins.

### getPluginJARs

    public static PluginJAR[] getPluginJARs()

  Returns an array of installed plugins.

  Since:
    jEdit 4.2pre1

### getPluginJAR

    public static PluginJAR getPluginJAR(java.lang.String path)

  Returns the JAR with the specified path name.

  Parameters:
    `path` - The path name
  Since:
    jEdit 4.2pre1

### addPluginJAR

    public static void addPluginJAR(java.lang.String path)

  Loads the plugin JAR with the specified path. Some notes about this method:
  - Calling this at a time other than jEdit startup can have unpredictable results if the plugin has not been updated for the jEdit 4.2 plugin API.
  - You must make sure yourself the plugin is not already loaded.
  - After loading, you just make sure all the plugin's dependencies are satisified before activating the plugin, using the `PluginJAR.checkDependencies()` method.

  Parameters:
    `path` - The JAR file path
  Since:
    jEdit 4.2pre1

### removePluginJAR

    public static void removePluginJAR(PluginJAR jar,
                                       boolean exit)

  Unloads the given plugin JAR with the specified path. Note that calling this at a time other than jEdit shutdown can have unpredictable results if the plugin has not been updated for the jEdit 4.2 plugin API.

  Parameters:
    `jar` - The `PluginJAR` instance
    `exit` - Set to true if jEdit is exiting; enables some shortcuts so the editor can close faster.
  Since:
    jEdit 4.2pre1

### getActionContext

    public static ActionContext getActionContext()

  Returns the action context used to store editor actions.

  Since:
    jEdit 4.2pre1

### addActionSet

    public static void addActionSet(ActionSet actionSet)

  Adds a new action set to jEdit's list of ActionSets (viewable from the shortcuts option pane). By default, each plugin has one ActionSet, but some plugins may create dynamic action sets, such as ProjectViewer and Console. These plugins must call removeActionSet() when the plugin is unloaded.

  Since:
    jEdit 4.0pre1
  See Also:
    `removeActionSet(ActionSet)`

### removeActionSet

    public static void removeActionSet(ActionSet actionSet)

  Removes an action set from jEdit's list. Plugins that add a dynamic action set must call this method at plugin unload time.

  Since:
    jEdit 4.2pre1

### getBuiltInActionSet

    public static ActionSet getBuiltInActionSet()

  Returns the set of commands built into jEdit.

  Since:
    jEdit 4.2pre1

### getActionSets

    public static ActionSet[] getActionSets()

  Returns all registered action sets.

  Returns:
    the ActionSet(s)
  Since:
    jEdit 4.0pre1

### getAction

    public static EditAction getAction(java.lang.String name)

  Returns the specified action.

  Parameters:
    `name` - The action name

### getActionSetForAction

    public static ActionSet getActionSetForAction(java.lang.String action)

  Returns the action set that contains the specified action.

  Parameters:
    `action` - The action
  Since:
    jEdit 4.2pre1

### getActionNames

    public static java.lang.String[] getActionNames()

  Returns all registered action names.

### reloadModes

    public static void reloadModes()

  Reloads all edit modes. User defined edit modes are loaded after global modes so that user modes supercede global modes.

  Since:
    jEdit 3.2pre2

### getMode

    public static Mode getMode(java.lang.String name)

  Returns the edit mode with the specified name.

  Parameters:
    `name` - The edit mode

### getModes

    public static Mode[] getModes()

  Returns an array of installed edit modes.

### openFiles

    public static Buffer openFiles(View view,
                                   java.lang.String parent,
                                   java.lang.String[] args)

  Opens the file names specified in the argument array. This handles +line and +marker arguments just like the command line parser.

  Parameters:
    `parent` - The parent directory
    `args` - The file names to open
  Since:
    jEdit 3.2pre4

### openFileAfterStartup

    public static Buffer openFileAfterStartup(java.lang.String path)

  Opens a file, either immediately if the application is finished starting up, or after the first view has been created if not.

  Parameters:
    `path` - The file path
  Returns:
    the buffer if succesfully loaded immediately, or null otherwise
  Since:
    jEdit 4.5pre1

### openFile

    public static Buffer openFile(View view,
                                  java.lang.String path)

  Opens a file. Note that as of jEdit 2.5pre1, this may return null if the buffer could not be opened.

  Parameters:
    `view` - The view to open the file in
    `path` - The file path
  Returns:
    the buffer, or null if jEdit was unable to load it
  Since:
    jEdit 2.4pre1

### openFile

    public static Buffer openFile(View view,
                                  java.lang.String parent,
                                  java.lang.String path,
                                  boolean newFile,
                                  java.util.Hashtable props)

  Opens a file. This may return null if the buffer could not be opened for some reason.

  Parameters:
    `view` - The view to open the file in. If it is null, the file will be opened and added to the bufferSet of the current edit pane, but not selected
    `parent` - The parent directory of the file
    `path` - The path name of the file
    `newFile` - True if the file should not be loaded from disk be prompted if it should be reloaded
    `props` - Buffer-local properties to set in the buffer
  Returns:
    the buffer, or null if jEdit was unable to load it
  Since:
    jEdit 3.2pre10

### openFile

    public static Buffer openFile(EditPane editPane,
                                  java.lang.String path)

  Opens a file. Note that as of jEdit 2.5pre1, this may return null if the buffer could not be opened.

  Parameters:
    `editPane` - the EditPane to open the file in.
    `path` - The file path
  Returns:
    the buffer, or null if jEdit was unable to load it
  Since:
    jEdit 4.3pre17

### openFile

    public static Buffer openFile(EditPane editPane,
                                  java.lang.String parent,
                                  java.lang.String path,
                                  boolean newFile,
                                  java.util.Hashtable props)

  Opens a file. This may return null if the buffer could not be opened for some reason.

  Parameters:
    `editPane` - the EditPane to open the file in.
    `parent` - The parent directory of the file
    `path` - The path name of the file
    `newFile` - True if the file should not be loaded from disk be prompted if it should be reloaded
    `props` - Buffer-local properties to set in the buffer
  Returns:
    the buffer, or null if jEdit was unable to load it
  Since:
    jEdit 4.3pre17

### openTemporary

    public static Buffer openTemporary(View view,
                                       java.lang.String parent,
                                       java.lang.String path,
                                       boolean newFile)

  Opens a temporary buffer. A temporary buffer is like a normal buffer, except that an event is not fired, the the buffer is not added to the buffers list.

  Parameters:
    `view` - The view to open the file in
    `parent` - The parent directory of the file
    `path` - The path name of the file
    `newFile` - True if the file should not be loaded from disk
  Returns:
    the buffer, or null if jEdit was unable to load it
  Since:
    jEdit 3.2pre10

### openTemporary

    public static Buffer openTemporary(View view,
                                       java.lang.String parent,
                                       java.lang.String path,
                                       boolean newFile,
                                       java.util.Hashtable props)

  Opens a temporary buffer. A temporary buffer is like a normal buffer, except that an event is not fired, the the buffer is not added to the buffers list.

  Parameters:
    `view` - The view to open the file in
    `parent` - The parent directory of the file
    `path` - The path name of the file
    `newFile` - True if the file should not be loaded from disk
    `props` - Buffer-local properties to set in the buffer
  Returns:
    the buffer, or null if jEdit was unable to load it
  Since:
    jEdit 4.3pre10

### commitTemporary

    public static void commitTemporary(Buffer buffer)

  Adds a temporary buffer to the buffer list. This must be done before allowing the user to interact with the buffer in any way.

  Parameters:
    `buffer` - The buffer

### newFile

    public static Buffer newFile(View view)

  Creates a new `untitled' file.

  Parameters:
    `view` - The view to create the file in
  Returns:
    the new buffer

### newFile

    public static Buffer newFile(View view,
                                 java.lang.String dir)

  Creates a new `untitled' file.

  Parameters:
    `view` - The view to create the file in
    `dir` - The directory to create the file in
  Returns:
    the new buffer
  Since:
    jEdit 3.1pre2

### newFile

    public static Buffer newFile(EditPane editPane)

  Creates a new `untitled' file.

  Parameters:
    `editPane` - The editPane to create the file in
  Returns:
    the new buffer
  Since:
    jEdit 4.3pre17

### newFile

    public static Buffer newFile(EditPane editPane,
                                 java.lang.String dir)

  Creates a new `untitled' file.

  Parameters:
    `editPane` - The editPane to create the file in
    `dir` - The directory to create the file in
  Returns:
    the new buffer
  Since:
    jEdit 4.3pre17

### closeBuffer

    public static boolean closeBuffer(View view,
                                      Buffer buffer)

  Closes a buffer. If there are unsaved changes, the user is prompted if they should be saved first.

  Parameters:
    `view` - The view
    `buffer` - The buffer
  Returns:
    True if the buffer was really closed, false otherwise

### closeBuffer

    public static void closeBuffer(EditPane editPane,
                                   Buffer buffer)

  Close a buffer. The buffer is first removed from the EditPane's bufferSet. If the buffer is not in any bufferSet after that, it is closed

  Parameters:
    `editPane` - the edit pane (it cannot be null)
    `buffer` - the buffer (it cannot be null)
  Since:
    jEdit 4.3pre15

### _closeBuffer

    public static void _closeBuffer(View view,
                                    Buffer buffer)

  Closes the buffer, even if it has unsaved changes.

  Parameters:
    `view` - The view, may be null
    `buffer` - The buffer
  Throws:
    `java.lang.NullPointerException` - if the buffer is null
  Since:
    jEdit 2.2pre1

### closeAllBuffers

    public static boolean closeAllBuffers(View view)

  Closes all open buffers.

  Parameters:
    `view` - The view
  Returns:
    true if all buffers were closed, false otherwise

### closeAllBuffers

    public static boolean closeAllBuffers(View view,
                                          boolean isExiting)

  Closes all open buffers.

  Parameters:
    `view` - The view
    `isExiting` - This must be false unless this method is being called by the exit() method
  Returns:
    true if all buffers were closed, false otherwise

### saveAllBuffers

    public static void saveAllBuffers(View view)

  Saves all open buffers.

  Parameters:
    `view` - The view
  Since:
    jEdit 4.2pre1

### saveAllBuffers

    public static void saveAllBuffers(View view,
                                      boolean confirm)

  Saves all open buffers.

  Parameters:
    `view` - The view
    `confirm` - If true, a confirmation dialog will be shown first
  Since:
    jEdit 2.7pre2

### reloadAllBuffers

    public static void reloadAllBuffers(View view,
                                        boolean confirm)

  Reloads all open buffers.

  Parameters:
    `view` - The view
    `confirm` - If true, a confirmation dialog will be shown first if any buffers are dirty
  Since:
    jEdit 2.7pre2

### _getBuffer

    public static Buffer _getBuffer(java.lang.String path)

  Returns the buffer with the specified path name. The path name must be an absolute, canonical, path.

  Parameters:
    `path` - The path name
  Returns:
    the searched buffer, or null if it is not already open
  Since:
    jEdit 4.2pre7
  See Also:
    `MiscUtilities.constructPath(String,String)`, `MiscUtilities.resolveSymlinks(String)`, `getBuffer(String)`

### getBuffer

    public static Buffer getBuffer(java.lang.String path)

  Returns the buffer with the specified path name. The path name must be an absolute path. This method automatically resolves symbolic links. If performance is critical, cache the canonical path and call `_getBuffer(String)` instead.

  Parameters:
    `path` - The path name
  Returns:
    the searched buffer, or null if it is not already open
  See Also:
    `MiscUtilities.constructPath(String,String)`, `MiscUtilities.resolveSymlinks(String)`

### getBuffers

    public static Buffer[] getBuffers()

  Returns an array of open buffers.

  Returns:
    an array of all open buffers

### getBufferCount

    public static int getBufferCount()

  Returns the number of open buffers.

### getFirstBuffer

    public static Buffer getFirstBuffer()

  Returns the first buffer.

### getLastBuffer

    public static Buffer getLastBuffer()

  Returns the last buffer.

  Returns:
    the last buffer

### moveBuffer

    public static void moveBuffer(EditPane editPane,
                                  int oldPosition,
                                  int newPosition)

  Moves a buffer from a old position to a new position in the BufferSet used in an EditPane.

  Parameters:
    `editPane` - The EditPane in which a buffer is moved
    `oldPosition` - The position before the move
    `newPosition` - The position after the move

### getBufferSetManager

    public static BufferSetManager getBufferSetManager()

  Returns the bufferSet manager.

  Returns:
    the bufferSetManager
  Since:
    jEdit 4.3pre15

### getPropertyManager

    public static jEdit.JEditPropertyManager getPropertyManager()

  Returns:
    the propertyManager
  Since:
    jEdit 4.3pre15

### checkBufferStatus

    public static void checkBufferStatus(View view)

  Checks each buffer's status on disk and shows the dialog box informing the user that buffers changed on disk, if necessary.

  Parameters:
    `view` - The view
  Since:
    jEdit 4.2pre1

### checkBufferStatus

    public static void checkBufferStatus(View view,
                                         boolean currentBuffer)

  Checks buffer status on disk and shows the dialog box informing the user that buffers changed on disk, if necessary.

  Parameters:
    `view` - The view
    `currentBuffer` - indicates whether to check only the current buffer
  Since:
    jEdit 4.2pre1

### getInputHandler

    public static InputHandler getInputHandler()

  Returns the current input handler (key binding to action mapping)

  See Also:
    `InputHandler`

### newView

    public static View newView(View view)

  Creates a new view.

  Parameters:
    `view` - An existing view
  Since:
    jEdit 3.2pre2

### newView

    public static View newView(View view,
                               Buffer buffer)

  Creates a new view of a buffer.

  Parameters:
    `view` - An existing view
    `buffer` - The buffer

### newView

    public static View newView(View view,
                               Buffer buffer,
                               boolean plainView)

  Creates a new view of a buffer.

  Parameters:
    `view` - An existing view
    `buffer` - The buffer
    `plainView` - If true, the view will not have dockable windows or tool bars.
  Since:
    4.1pre2

### newView

    public static View newView(View view,
                               Buffer buffer,
                               View.ViewConfig config)

  Creates a new view.

  Parameters:
    `view` - An existing view
    `buffer` - A buffer to display, or null
    `config` - Encapsulates the view geometry, split configuration and if the view is a plain view
  Since:
    jEdit 4.2pre1

### closeView

    public static void closeView(View view)

  Closes a view. jEdit will exit if this was the last open view.

### getViews

    public static View[] getViews()

  Returns an array of all open views.

### getViewCount

    public static int getViewCount()

  Returns the number of open views.

### getFirstView

    public static View getFirstView()

  Returns the first view.

### getLastView

    public static View getLastView()

  Returns the last view.

### getActiveView

    public static View getActiveView()

  Returns the currently focused view.

  Since:
    jEdit 4.1pre1

### relocateSettings

    public static void relocateSettings()

### isStartupDone

    public static boolean isStartupDone()

  Whether jEdit startup is over.

  Since:
    jEdit 4.3pre17

### isMainThread

    public static boolean isMainThread()

  Returns true if the currently running thread is the main thread.

  Since:
    jEdit 4.2pre1

### isBackgroundModeEnabled

    public static boolean isBackgroundModeEnabled()

  Returns true if jEdit was started with the `-background` command-line switch.

  Since:
    jEdit 4.0pre4

### showMemoryDialog

    public static void showMemoryDialog(View view)

  Performs garbage collection and displays a dialog box showing memory status.

  Parameters:
    `view` - The view
  Since:
    jEdit 4.0pre1

### getJEditHome

    public static java.lang.String getJEditHome()

  Returns the jEdit install directory.

### getSettingsDirectory

    public static java.lang.String getSettingsDirectory()

  Returns the path of the directory where user-specific settings are stored. This will be `null` if jEdit was started with the `-nosettings` command-line switch; do not blindly use this method without checking for a `null` return value first.

### getJARCacheDirectory

    public static java.lang.String getJARCacheDirectory()

  Returns the directory where plugin cache files are stored.

  Since:
    jEdit 4.2pre1

### backupSettingsFile

    public static void backupSettingsFile(java.io.File file)

  Backs up the specified file in the settings directory. You should call this on any settings files your plugin writes.

  Parameters:
    `file` - The file
  Since:
    jEdit 4.0pre1

### saveSettings

    public static void saveSettings()

  Saves all user preferences to disk.

### exit

    public static void exit(View view,
                            boolean reallyExit)

  Exits cleanly from jEdit, prompting the user if any unsaved files should be saved first.

  Parameters:
    `view` - The view from which this exit was called
    `reallyExit` - If background mode is enabled and this parameter is true, then jEdit will close all open views instead of exiting entirely.

### getEditServer

    public static EditServer getEditServer()

  Returns the edit server instance. You can use this to find out the port number jEdit is listening on.

  Since:
    jEdit 4.2pre10

### visit

    public static void visit(JEditVisitor visitor)

  Visit the views, editpanes and textareas

  Parameters:
    `visitor` - the visitor
  Since:
    jEdit 4.3pre13

### getRegisterStatusPrompt

    public static java.lang.String getRegisterStatusPrompt(java.lang.String action)

  Returns the status prompt for the given register action. Only intended to be called from `actions.xml`.

  Since:
    jEdit 4.3pre16

### getActiveViewInternal

    public static View getActiveViewInternal()

  Returns the internal active view, which might be null.

  Since:
    4.3pre10

### getNextUntitledBufferId

    public static int getNextUntitledBufferId()