A split pane divides its space between two components. The split pane contains a divider that allows the user to control the amount of space distributed to each component.
// Create a left-right split pane
JSplitPane hpane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftComponent, rightComponent);
// Create a top-bottom split pane
JSplitPane vpane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, topComponent, bottomComponent);
By default, when the divider is dragged, a shadow is displayed to indicate where the divider would be when the mouse is released. It is possible for the split pane to continuously move the divider and resize its child components while the user is dragging the divider.
boolean b = vpane.isContinuousLayout(); // false by default
// Set the split pane to continuously resize the child components
// which the divider is dragged
vpane.setContinuousLayout(true);
The split pane supports a one-touch-expandable capability that allows the user to conveniently move the divider to either end with a single click. This capability is enabled by setting the following property:
b = vpane.isOneTouchExpandable(); // false by default
vpane.setOneTouchExpandable(true);
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