UIDefaults.ActiveValue (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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javax.swing
Interface UIDefaults.ActiveValue

Enclosing interface:: UIDefaults

public static interface UIDefaults.ActiveValue

This class enables one to store an entry in the defaults table that's constructed each time it's looked up with one of the getXXX(key) methods. Here's an example of an ActiveValue that constructs a DefaultListCellRenderer:

  Object cellRendererActiveValue = new UIDefaults.ActiveValue() {
      public Object createValue(UIDefaults table) {
          return new DefaultListCellRenderer();
      }
  };

  uiDefaultsTable.put("MyRenderer", cellRendererActiveValue);

See Also:: UIDefaults.get(java.lang.Object)

Method Summary

Object createValue(UIDefaults table)
Creates the value retrieved from the UIDefaults table.

Method Detail

createValue

public Object createValue(UIDefaults table)

Creates the value retrieved from the UIDefaults table. The object is created each time it is accessed.

Parameters:: table - a UIDefaults table
Returns:: the created Object