WindowManager (ImageJ API)

java.lang.Object
- ij.WindowManager

```
public class WindowManager
extends Object
```
This class consists of static methods used to manage ImageJ's windows.

Field Summary

Fields
Modifier and Type Field Description

static boolean checkForDuplicateName

Fields
Modifier and Type	Field	Description
`static boolean`	`checkForDuplicateName`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`addWindow(Frame win)`	Adds the specified Frame to the Window menu.
`static void`	`addWindow(Window win)`	Adds the specified window to the Window menu.
`static boolean`	`closeAllWindows()`	Closes all windows.
`static Window`	`getActiveWindow()`	Returns the front most window or null.
`static Window[]`	`getAllNonImageWindows()`	Returns an array containing a list of the non-image Frames and Dialogs.
`static ImagePlus`	`getCurrentImage()`	Returns a reference to the active image or null if there isn't one.
`static ImageWindow`	`getCurrentWindow()`	Returns the active ImageWindow.
`static Frame`	`getFrame(String title)`	Obsolete; replaced by getWindow().
`static Frame`	`getFrontWindow()`	Obsolete; replaced by getActiveWindow.
`static int[]`	`getIDList()`	Returns a list of the IDs of open images.
`static ImagePlus`	`getImage(int imageID)`	For IDs less than zero, returns the ImagePlus with the specified ID.
`static ImagePlus`	`getImage(String title)`	Returns the first image that has the specified title or null if it is not found.
`static int`	`getImageCount()`	Returns the number of open images.
`static String[]`	`getImageTitles()`	Returns a list of the titles of all open images.
`static String[]`	`getNonImageTitles()`	Returns an array containing the titles of non-image Frames and Dialogs.
`static Frame[]`	`getNonImageWindows()`	Returns an array containing a list of the non-image Frames.
`static int`	`getNthImageID(int n)`	Returns the ID of the Nth open image.
`static ImagePlus`	`getTempCurrentImage()`	Returns the temporary current image for this thread, or null.
`static String`	`getUniqueName(String name)`	Returns a unique name by adding, before the extension, -1, -2, etc.
`static Window`	`getWindow(String title)`	Returns the window (a Frame or a Dialog) with the specified title, or null if a window with that title is not found.
`static int`	`getWindowCount()`	Returns the number of open image windows.
`static String`	`makeUniqueName(String name)`	If 'name' is not unique, adds -1, -2, etc.
`static void`	`putBehind()`	Activates the next image window on the window list.
`static void`	`removeWindow(Frame win)`	Removes the specified Frame from the Window menu.
`static void`	`removeWindow(Window win)`	Removes the specified window from the Window menu.
`static void`	`repaintImageWindows()`	Repaints all open image windows.
`static void`	`setCurrentWindow(ImageWindow win)`	Makes the image contained in the specified window the active image.
`static void`	`setTempCurrentImage(ImagePlus img)`	Makes the specified image temporarily the active image for this thread.
`static void`	`setTempCurrentImage(Thread thread, ImagePlus img)`	Sets a temporary image for the specified thread.
`static void`	`setWindow(Frame win)`	The specified frame becomes the front window, the one returnd by getFrontWindow().
`static void`	`setWindow(Window win)`	The specified Window becomes the front window.
`static void`	`showList()`
`static void`	`toFront(Frame frame)`

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

- Field Detail
  - checkForDuplicateName
```
public static boolean checkForDuplicateName
```
- Method Detail
  - setCurrentWindow
```
public static void setCurrentWindow(ImageWindow win)
```
    Makes the image contained in the specified window the active image.
  - getCurrentWindow
```
public static ImageWindow getCurrentWindow()
```
    Returns the active ImageWindow.
  - getCurrentImage
```
public static ImagePlus getCurrentImage()
```
    Returns a reference to the active image or null if there isn't one.
    
    See Also:
    
    IJ.getImage()
  - setTempCurrentImage
```
public static void setTempCurrentImage(ImagePlus img)
```
    Makes the specified image temporarily the active image for this thread. Call again with a null argument to revert to the previous active image.
  - setTempCurrentImage
```
public static void setTempCurrentImage(Thread thread,
                                       ImagePlus img)
```
    Sets a temporary image for the specified thread.
  - getWindowCount
```
public static int getWindowCount()
```
    Returns the number of open image windows.
  - getImageCount
```
public static int getImageCount()
```
    Returns the number of open images.
  - getActiveWindow
```
public static Window getActiveWindow()
```
    Returns the front most window or null.
  - getFrontWindow
```
public static Frame getFrontWindow()
```
    Obsolete; replaced by getActiveWindow.
  - getIDList
```
public static int[] getIDList()
```
    Returns a list of the IDs of open images. Returns null if no image windows are open.
  - getImageTitles
```
public static String[] getImageTitles()
```
    Returns a list of the titles of all open images.
  - getNonImageWindows
```
public static Frame[] getNonImageWindows()
```
    Returns an array containing a list of the non-image Frames.
  - getAllNonImageWindows
```
public static Window[] getAllNonImageWindows()
```
    Returns an array containing a list of the non-image Frames and Dialogs.
  - getNonImageTitles
```
public static String[] getNonImageTitles()
```
    Returns an array containing the titles of non-image Frames and Dialogs.
  - getImage
```
public static ImagePlus getImage(int imageID)
```
    For IDs less than zero, returns the ImagePlus with the specified ID. Returns null if no open window has a matching ID or no images are open. For IDs greater than zero, returns the Nth ImagePlus. Returns null if the ID is zero.
  - getNthImageID
```
public static int getNthImageID(int n)
```
    Returns the ID of the Nth open image. Returns zero if n<=0 or n greater than the number of open image windows.
  - getImage
```
public static ImagePlus getImage(String title)
```
    Returns the first image that has the specified title or null if it is not found.
  - addWindow
```
public static void addWindow(Window win)
```
    Adds the specified window to the Window menu.
  - addWindow
```
public static void addWindow(Frame win)
```
    Adds the specified Frame to the Window menu.
  - getUniqueName
```
public static String getUniqueName(String name)
```
    Returns a unique name by adding, before the extension, -1, -2, etc. as needed.
  - makeUniqueName
```
public static String makeUniqueName(String name)
```
    If 'name' is not unique, adds -1, -2, etc. as needed to make it unique.
  - removeWindow
```
public static void removeWindow(Window win)
```
    Removes the specified window from the Window menu.
  - removeWindow
```
public static void removeWindow(Frame win)
```
    Removes the specified Frame from the Window menu.
  - setWindow
```
public static void setWindow(Window win)
```
    The specified Window becomes the front window.
  - setWindow
```
public static void setWindow(Frame win)
```
    The specified frame becomes the front window, the one returnd by getFrontWindow().
  - closeAllWindows
```
public static boolean closeAllWindows()
```
    Closes all windows. Stops and returns false if an image or Editor "save changes" dialog is canceled.
  - putBehind
```
public static void putBehind()
```
    Activates the next image window on the window list.
  - getTempCurrentImage
```
public static ImagePlus getTempCurrentImage()
```
    Returns the temporary current image for this thread, or null.
  - getWindow
```
public static Window getWindow(String title)
```
    Returns the window (a Frame or a Dialog) with the specified title, or null if a window with that title is not found.
  - getFrame
```
public static Frame getFrame(String title)
```
    Obsolete; replaced by getWindow().
  - repaintImageWindows
```
public static void repaintImageWindows()
```
    Repaints all open image windows.
  - showList
```
public static void showList()
```
  - toFront
```
public static void toFront(Frame frame)
```

Class WindowManager

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

checkForDuplicateName

Method Detail

setCurrentWindow

getCurrentWindow

getCurrentImage

setTempCurrentImage

setTempCurrentImage

getWindowCount

getImageCount

getActiveWindow

getFrontWindow

getIDList

getImageTitles

getNonImageWindows

getAllNonImageWindows

getNonImageTitles

getImage

getNthImageID

getImage

addWindow

addWindow

getUniqueName

makeUniqueName

removeWindow

removeWindow

setWindow

setWindow

closeAllWindows

putBehind

getTempCurrentImage

getWindow

getFrame

repaintImageWindows

showList

toFront