LayoutManager.java 3.2 KB

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  1. /* LayoutManager.java -- lay out elements in a Container
  2. Copyright (C) 1999, 2002 Free Software Foundation, Inc.
  3. This file is part of GNU Classpath.
  4. GNU Classpath is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2, or (at your option)
  7. any later version.
  8. GNU Classpath is distributed in the hope that it will be useful, but
  9. WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with GNU Classpath; see the file COPYING. If not, write to the
  14. Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA.
  16. Linking this library statically or dynamically with other modules is
  17. making a combined work based on this library. Thus, the terms and
  18. conditions of the GNU General Public License cover the whole
  19. combination.
  20. As a special exception, the copyright holders of this library give you
  21. permission to link this library with independent modules to produce an
  22. executable, regardless of the license terms of these independent
  23. modules, and to copy and distribute the resulting executable under
  24. terms of your choice, provided that you also meet, for each linked
  25. independent module, the terms and conditions of the license of that
  26. module. An independent module is a module which is not derived from
  27. or based on this library. If you modify this library, you may extend
  28. this exception to your version of the library, but you are not
  29. obligated to do so. If you do not wish to do so, delete this
  30. exception statement from your version. */
  31. package java.awt;
  32. /**
  33. * This interface is for laying out containers in a particular sequence.
  34. *
  35. * @author Aaron M. Renn <arenn@urbanophile.com>
  36. * @see Container
  37. * @since 1.0
  38. * @status updated to 1.4
  39. */
  40. public interface LayoutManager
  41. {
  42. /**
  43. * Adds the specified component to the layout group.
  44. *
  45. * @param name the name of the component to add
  46. * @param component the component to add
  47. */
  48. void addLayoutComponent(String name, Component component);
  49. /**
  50. * Removes the specified component from the layout group.
  51. *
  52. * @param component the component to remove
  53. */
  54. void removeLayoutComponent(Component component);
  55. /**
  56. * Calculates the preferred size for this container, taking into account
  57. * the components it contains.
  58. *
  59. * @param parent the parent container to lay out
  60. * @return the preferred dimensions of this container
  61. * @see #minimumLayoutSize(Container)
  62. */
  63. Dimension preferredLayoutSize(Container parent);
  64. /**
  65. * Calculates the minimum size for this container, taking into account
  66. * the components it contains.
  67. *
  68. * @param parent the parent container to lay out
  69. * @return the minimum dimensions of this container
  70. * @see #preferredLayoutSize(Container)
  71. */
  72. Dimension minimumLayoutSize(Container parent);
  73. /**
  74. * Lays out the components in the given container.
  75. *
  76. * @param parent the container to lay out
  77. */
  78. void layoutContainer(Container parent);
  79. } // interface LayoutManager