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org.eclipse.swt.layout
Class FormData

java.lang.Object
  
org.eclipse.swt.layout.FormData

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public final class FormData

extends Object

Instances of this class are used to define the attachments of a control in a FormLayout.

To set a FormData object into a control, you use the setLayoutData () method. To define attachments for the FormData, set the fields directly, like this:

    FormData data = new FormData();
    data.left = new FormAttachment(0,5);
    data.right = new FormAttachment(100,-5);
    button.setLayoutData(formData);
 

FormData contains the FormAttachments for each edge of the control that the FormLayout uses to determine the size and position of the control. FormData objects also allow you to set the width and height of controls within a FormLayout.

Since:

1.0

See Also:

FormLayout, FormAttachment, Sample code and further information

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Field Summary
FormAttachment	bottom           bottom specifies the attachment of the bottom of the control.
int	height           height specifies the preferred height in pixels.
FormAttachment	left           left specifies the attachment of the left side of the control.
FormAttachment	right           right specifies the attachment of the right side of the control.
FormAttachment	top           top specifies the attachment of the top of the control.
int	width           width specifies the preferred width in pixels.

 

Constructor Summary

FormData ()           Constructs a new instance of FormData using default values.

FormData (int width, int height)           Constructs a new instance of FormData according to the parameters.

 

Method Summary
String	toString ()           Returns a string containing a concise, human-readable description of the receiver.

 

Methods inherited from class java.lang. Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

width

public int width

width specifies the preferred width in pixels. This value is the wHint passed into Control.computeSize(int, int, boolean) to determine the preferred size of the control. The default value is SWT.DEFAULT.

See Also:

Control.computeSize(int, int, boolean)

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height

public int height

height specifies the preferred height in pixels. This value is the hHint passed into Control.computeSize(int, int, boolean) to determine the preferred size of the control. The default value is SWT.DEFAULT.

See Also:

Control.computeSize(int, int, boolean)

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left

public 
FormAttachment left

left specifies the attachment of the left side of the control.

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right

public 
FormAttachment right

right specifies the attachment of the right side of the control.

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top

public 
FormAttachment top

top specifies the attachment of the top of the control.

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bottom

public 
FormAttachment bottom

bottom specifies the attachment of the bottom of the control.

Constructor Detail

FormData

public FormData()

Constructs a new instance of FormData using default values.

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FormData

public FormData(int width,
                int height)

Constructs a new instance of FormData according to the parameters. A value of SWT.DEFAULT indicates that no minimum width or no minimum height is specified.

Parameters:

width - a minimum width for the control

height - a minimum height for the control

Method Detail

toString

public 
String toString()

Returns a string containing a concise, human-readable description of the receiver.

Returns:

a string representation of the FormData object

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