Basic HTML version of Foils prepared 18 May 97

Foil 58 Hierarchical use of LayoutManagers

From Java Tutorial - Spring 1997 Part 3:Graphics and the Abstract Windowing Toolkit Peking Tutorial, Web Certificate -- Spring-Summer 1997. by Nancy J. McCracken,Geoffrey C. Fox


Layout's can be made very sophisticated using an hierarchical approach
setLayout(new GridLayout(1,3,10,5));
  • // Number of cells in y, Number in x, Horizontal gap, Vertical Gap
subpanel1 = new MysubpanelClass(); // Add arguments to make subpanel1 special
subpanel2 = new MysubpanelClass();
add(Some Simple Component such as a Button);
add(subpanel1);
add(subpanel2);
. . . . .
Class MysubpanelClass extends panel { // has constructor
MysubpanelClass() { // that includes another layout such as
setLayout(new GridLayout(2,2,5,5); // etc.



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