tim/prune/gui/SidebarController.java

   1 package tim.prune.gui;
   2
   3 import java.awt.Component;
   4
   5 import javax.swing.JSplitPane;
   6 import javax.swing.SwingUtilities;
   7
   8 /**
   9  * Class to control the showing and hiding of the sidebars
  10  * (left panel, right panel and profile display)
  11  */
  12 public class SidebarController
  13 {
  14         /** array of hideable components */
  15         private Component[] _components = null;
  16         /** array of splitter panes */
  17         private JSplitPane[] _splitters = null;
  18         /** array of splitter positions */
  19         private int[] _positions = null;
  20
  21
  22         /**
  23          * Constructor
  24          * @param inComponents array of components to hide/show
  25          * @param inSplitters array of splitter panes
  26          */
  27         public SidebarController(Component[] inComponents, JSplitPane[] inSplitters)
  28         {
  29                 _components = inComponents;
  30                 _splitters = inSplitters;
  31                 _positions = new int[inSplitters.length];
  32         }
  33
  34         /**
  35          * Toggle full screen mode on or off
  36          */
  37         public void toggle()
  38         {
  39                 if (_components != null && _components.length > 0)
  40                 {
  41                         boolean visible = _components[0].isVisible();
  42                         if (visible) {
  43                                 // Store divider locations
  44                                 for (int i=0; i<_components.length; i++) {
  45                                         _positions[i] = _splitters[i].getDividerLocation();
  46                                 }
  47                         }
  48                         // Set visibility of components
  49                         for (int i=0; i<_components.length; i++) {
  50                                 _components[i].setVisible(!visible);
  51                         }
  52                         // Restore divider locations
  53                         for (int i=0; i<_components.length; i++) {
  54                                 if (!visible) {
  55                                         _splitters[i].setDividerLocation(_positions[i]);
  56                                 }
  57                         }
  58                         // Hiding of panels has to occur in separate thread to update properly
  59                         if (visible) SwingUtilities.invokeLater(new Runnable() {
  60                                 public void run() {
  61                                         for (int i=0; i<_components.length; i++) {
  62                                                 _splitters[i].setDividerLocation(i==0?0.0:1.0);
  63                                                 _splitters[i].invalidate();
  64                                         }
  65                                 }
  66                         });
  67                 }
  68         }
  69 }