ScrollPaneAdjustable (Java Platform SE 7 )
Keywords: java.awt.ScrollPaneAdjustable class

java.awt

## Class ScrollPaneAdjustable

- java.lang.Object
- - java.awt.ScrollPaneAdjustable

- All Implemented Interfaces:
    Adjustable, Serializable

      public class ScrollPaneAdjustable
      extends Object
      implements Adjustable, Serializable

  This class represents the state of a horizontal or vertical scrollbar of a `ScrollPane`. Objects of this class are returned by `ScrollPane` methods.
  Since:
    1.4
  See Also:
    Serialized Form

- - ### Field Summary

    - ### Fields inherited from interface java.awt.Adjustable

      `HORIZONTAL, NO_ORIENTATION, VERTICAL`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addAdjustmentListener(AdjustmentListener l)` Adds the specified adjustment listener to receive adjustment events from this `ScrollPaneAdjustable`.
    `AdjustmentListener[]` | `getAdjustmentListeners()` Returns an array of all the adjustment listeners registered on this `ScrollPaneAdjustable`.
    `int` | `getBlockIncrement()` Gets the block value increment for the adjustable object.
    `int` | `getMaximum()` Gets the maximum value of the adjustable object.
    `int` | `getMinimum()` Gets the minimum value of the adjustable object.
    `int` | `getOrientation()` Returns the orientation of this scrollbar.
    `int` | `getUnitIncrement()` Gets the unit value increment for the adjustable object.
    `int` | `getValue()` Gets the current value of the adjustable object.
    `boolean` | `getValueIsAdjusting()` Returns true if the value is in the process of changing as a result of actions being taken by the user.
    `int` | `getVisibleAmount()` Gets the length of the proportional indicator.
    `String` | `paramString()` Returns a string representing the state of this scrollbar.
    `void` | `removeAdjustmentListener(AdjustmentListener l)` Removes the specified adjustment listener so that it no longer receives adjustment events from this `ScrollPaneAdjustable`.
    `void` | `setBlockIncrement(int b)` Sets the block value increment for the adjustable object.
    `void` | `setMaximum(int max)` This method should NOT be called by user code.
    `void` | `setMinimum(int min)` This method should NOT be called by user code.
    `void` | `setUnitIncrement(int u)` Sets the unit value increment for the adjustable object.
    `void` | `setValue(int v)` Sets the value of this scrollbar to the specified value.
    `void` | `setValueIsAdjusting(boolean b)` Sets the `valueIsAdjusting` property.
    `void` | `setVisibleAmount(int v)` This method should NOT be called by user code.
    `String` | `toString()` Returns a string representation of this scrollbar and its values.

    - ### Methods inherited from class java.lang.Object

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

- - ### Method Detail

    - #### getOrientation

          public int getOrientation()

      Returns the orientation of this scrollbar.
      Specified by:
        `getOrientation` in interface `Adjustable`
      Returns:
        the orientation of this scrollbar, either `Adjustable.HORIZONTAL` or `Adjustable.VERTICAL`

    - #### setMinimum

          public void setMinimum(int min)

      This method should NOT be called by user code. This method is public for this class to properly implement `Adjustable` interface.
      Specified by:
        `setMinimum` in interface `Adjustable`
      Parameters:
        `min` - the minimum value
      Throws:
        `AWTError` - Always throws an error when called.

    - #### getMinimum

          public int getMinimum()

      Description copied from interface: `Adjustable`
      Gets the minimum value of the adjustable object.
      Specified by:
        `getMinimum` in interface `Adjustable`
      Returns:
        the minimum value of the adjustable object

    - #### setMaximum

          public void setMaximum(int max)

      This method should NOT be called by user code. This method is public for this class to properly implement `Adjustable` interface.
      Specified by:
        `setMaximum` in interface `Adjustable`
      Parameters:
        `max` - the maximum value
      Throws:
        `AWTError` - Always throws an error when called.

    - #### getMaximum

          public int getMaximum()

      Description copied from interface: `Adjustable`
      Gets the maximum value of the adjustable object.
      Specified by:
        `getMaximum` in interface `Adjustable`
      Returns:
        the maximum value of the adjustable object

    - #### setUnitIncrement

          public void setUnitIncrement(int u)

      Description copied from interface: `Adjustable`
      Sets the unit value increment for the adjustable object.
      Specified by:
        `setUnitIncrement` in interface `Adjustable`
      Parameters:
        `u` - the unit increment

    - #### getUnitIncrement

          public int getUnitIncrement()

      Description copied from interface: `Adjustable`
      Gets the unit value increment for the adjustable object.
      Specified by:
        `getUnitIncrement` in interface `Adjustable`
      Returns:
        the unit value increment for the adjustable object

    - #### setBlockIncrement

          public void setBlockIncrement(int b)

      Description copied from interface: `Adjustable`
      Sets the block value increment for the adjustable object.
      Specified by:
        `setBlockIncrement` in interface `Adjustable`
      Parameters:
        `b` - the block increment

    - #### getBlockIncrement

          public int getBlockIncrement()

      Description copied from interface: `Adjustable`
      Gets the block value increment for the adjustable object.
      Specified by:
        `getBlockIncrement` in interface `Adjustable`
      Returns:
        the block value increment for the adjustable object

    - #### setVisibleAmount

          public void setVisibleAmount(int v)

      This method should NOT be called by user code. This method is public for this class to properly implement `Adjustable` interface.
      Specified by:
        `setVisibleAmount` in interface `Adjustable`
      Parameters:
        `v` - the length of the indicator
      Throws:
        `AWTError` - Always throws an error when called.

    - #### getVisibleAmount

          public int getVisibleAmount()

      Description copied from interface: `Adjustable`
      Gets the length of the proportional indicator.
      Specified by:
        `getVisibleAmount` in interface `Adjustable`
      Returns:
        the length of the proportional indicator

    - #### setValueIsAdjusting

          public void setValueIsAdjusting(boolean b)

      Sets the `valueIsAdjusting` property.
      Parameters:
        `b` - new adjustment-in-progress status
      Since:
        1.4
      See Also:
        `getValueIsAdjusting()`

    - #### getValueIsAdjusting

          public boolean getValueIsAdjusting()

      Returns true if the value is in the process of changing as a result of actions being taken by the user.
      Returns:
        the value of the `valueIsAdjusting` property
      See Also:
        `setValueIsAdjusting(boolean)`

    - #### setValue

          public void setValue(int v)

      Sets the value of this scrollbar to the specified value.

      If the value supplied is less than the current minimum or greater than the current maximum, then one of those values is substituted, as appropriate.

      Specified by:
        `setValue` in interface `Adjustable`
      Parameters:
        `v` - the new value of the scrollbar

    - #### getValue

          public int getValue()

      Description copied from interface: `Adjustable`
      Gets the current value of the adjustable object.
      Specified by:
        `getValue` in interface `Adjustable`
      Returns:
        the current value of the adjustable object

    - #### addAdjustmentListener

          public void addAdjustmentListener(AdjustmentListener l)

      Adds the specified adjustment listener to receive adjustment events from this `ScrollPaneAdjustable`. If `l` is `null`, no exception is thrown and no action is performed.

      Refer to AWT Threading Issues for details on AWT's threading model.

      Specified by:
        `addAdjustmentListener` in interface `Adjustable`
      Parameters:
        `l` - the adjustment listener.
      See Also:
        `removeAdjustmentListener(java.awt.event.AdjustmentListener)`, `getAdjustmentListeners()`, `AdjustmentListener`, `AdjustmentEvent`

    - #### removeAdjustmentListener

          public void removeAdjustmentListener(AdjustmentListener l)

      Removes the specified adjustment listener so that it no longer receives adjustment events from this `ScrollPaneAdjustable`. If `l` is `null`, no exception is thrown and no action is performed.

      Refer to AWT Threading Issues for details on AWT's threading model.

      Specified by:
        `removeAdjustmentListener` in interface `Adjustable`
      Parameters:
        `l` - the adjustment listener.
      Since:
        JDK1.1
      See Also:
        `addAdjustmentListener(java.awt.event.AdjustmentListener)`, `getAdjustmentListeners()`, `AdjustmentListener`, `AdjustmentEvent`

    - #### getAdjustmentListeners

          public AdjustmentListener[] getAdjustmentListeners()

      Returns an array of all the adjustment listeners registered on this `ScrollPaneAdjustable`.
      Returns:
        all of this `ScrollPaneAdjustable`'s `AdjustmentListener`s or an empty array if no adjustment listeners are currently registered
      Since:
        1.4
      See Also:
        `addAdjustmentListener(java.awt.event.AdjustmentListener)`, `removeAdjustmentListener(java.awt.event.AdjustmentListener)`, `AdjustmentListener`, `AdjustmentEvent`

    - #### toString

          public String toString()

      Returns a string representation of this scrollbar and its values.
      Overrides:
        `toString` in class `Object`
      Returns:
        a string representation of this scrollbar.

    - #### paramString

          public String paramString()

      Returns a string representing the state of this scrollbar. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be `null`.
      Returns:
        the parameter string of this scrollbar.

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