Class DirectoryDialog
- java.lang.Object
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- org.eclipse.swt.widgets.Dialog
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- org.eclipse.swt.widgets.DirectoryDialog
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public class DirectoryDialog extends Dialog
Instances of this class allow the user to navigate the file system and select a directory.- Styles:
- (none)
- Events:
- (none)
IMPORTANT: This class is not intended to be subclassed.
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Constructor Summary
Constructors Constructor Description DirectoryDialog(Shell parent)
Constructs a new instance of this class given only its parent.DirectoryDialog(Shell parent, int style)
Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getFilterPath()
Returns the path which the dialog will use to filter the directories it shows.java.lang.String
getMessage()
Returns the dialog's message, which is a description of the purpose for which it was opened.java.lang.String
open()
Makes the dialog visible and brings it to the front of the display.void
setFilterPath(java.lang.String string)
Sets the path that the dialog will use to filter the directories it shows to the argument, which may be null.void
setMessage(java.lang.String string)
Sets the dialog's message, which is a description of the purpose for which it was opened.
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Constructor Detail
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DirectoryDialog
public DirectoryDialog(Shell parent)
Constructs a new instance of this class given only its parent.- Parameters:
parent
- a shell which will be the parent of the new instance- Throws:
java.lang.IllegalArgumentException
-- ERROR_NULL_ARGUMENT - if the parent is null
SWTException
-- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
- ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
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DirectoryDialog
public DirectoryDialog(Shell parent, int style)
Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.The style value is either one of the style constants defined in class
SWT
which is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using theint
"|" operator) two or more of thoseSWT
style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.- Parameters:
parent
- a shell which will be the parent of the new instancestyle
- the style of dialog to construct- Throws:
java.lang.IllegalArgumentException
-- ERROR_NULL_ARGUMENT - if the parent is null
SWTException
-- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
- ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
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Method Detail
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getFilterPath
public java.lang.String getFilterPath()
Returns the path which the dialog will use to filter the directories it shows.- Returns:
- the filter path
- See Also:
setFilterPath(java.lang.String)
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getMessage
public java.lang.String getMessage()
Returns the dialog's message, which is a description of the purpose for which it was opened. This message will be visible on the dialog while it is open.- Returns:
- the message
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open
public java.lang.String open()
Makes the dialog visible and brings it to the front of the display.- Returns:
- a string describing the absolute path of the selected directory, or null if the dialog was cancelled or an error occurred
- Throws:
SWTException
-- ERROR_WIDGET_DISPOSED - if the dialog has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog
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setFilterPath
public void setFilterPath(java.lang.String string)
Sets the path that the dialog will use to filter the directories it shows to the argument, which may be null. If the string is null, then the operating system's default filter path will be used.Note that the path string is platform dependent. For convenience, either '/' or '\' can be used as a path separator.
- Parameters:
string
- the filter path
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setMessage
public void setMessage(java.lang.String string)
Sets the dialog's message, which is a description of the purpose for which it was opened. This message will be visible on the dialog while it is open.NOTE: This operation is a hint and is not supported on some platforms. For example, on Windows (Vista and later), the
DirectoryDialog
doesn't have any provision to set a message.- Parameters:
string
- the message- Throws:
java.lang.IllegalArgumentException
-- ERROR_NULL_ARGUMENT - if the string is null
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