Examples of java.awt.Container.validate()

java.awt.Container.validate()
Validates this container and all of its subcomponents.
The validate method is used to cause a container to lay out its subcomponents again. It should be invoked when this container's subcomponents are modified (added to or removed from the container, or layout-related information changed) after the container has been displayed.
If this {@code Container} is not valid, this method invokesthe {@code validateTree} method and marks this {@code Container}as valid. Otherwise, no action is performed. @see #add(java.awt.Component) @see Component#invalidate @see javax.swing.JComponent#revalidate() @see #validateTree

      return node;
    }
    removeChildComponents(parentComponent, node);
    ((DefaultMutableTreeNode) node.getParent()).remove(node);
    if (parentComponent.isShowing()) {
      parentComponent.validate();
      parentComponent.repaint();
    }
    return node;
  }
}

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    main.validate();


    // add everything to the content pane
    Container con = this.getContentPane();
    con.add(main);
    con.validate();
    pack();
    this.setSize(300, 400);
  }


  /**

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    Container con = this.getContentPane();
    con.setLayout(new BorderLayout());
    con.add(choicePanel, BorderLayout.NORTH);
    con.add(colorChooserPanel, BorderLayout.CENTER);
    con.add(buttonPanel, BorderLayout.SOUTH);
    con.validate();
    pack();
  }


  public static DiscreteOrGradientColor showDialog(Component component,
      String[] parameterNames) {

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    main.validate();


    // add everything to the content pane
    Container con = this.getContentPane();
    con.add(main);
    con.validate();
    pack();
  }


  /**
   * Creates an instance of the organizer, but it's the responsibility of

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          Container c = vizPanel;
          c.add(tpl);
          
          if (ui) {
            c.repaint();
            c.validate();
          }
        }
      }
    });
  }

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  //when components are updated
  private void forceRepaint()
  {
    final Container contentPane = getContentPane();
    contentPane.invalidate();
    contentPane.validate();
    contentPane.repaint();
  }


  public void valueChanged(TreeSelectionEvent event)
  {

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            contents.add(toolbar, value);
            boolean vertical = value == BorderLayout.WEST || value == BorderLayout.EAST;
            toolbar.setOrientation(vertical ? Toolbar.VERTICAL : Toolbar.HORIZONTAL);
        }
        contents.validate();
    }


    public Project getProject() {
        return proj;
    }

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            if (oldParent instanceof JComponent) {
                ((JComponent) oldParent).revalidate();
            } else {
                // not sure... never have non-j comps
                oldParent.invalidate();
                oldParent.validate();
            }
        }
    }


    protected void stopSearching() {

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        JComponent parent = (JComponent) getParent();
        
        if (parent != null) {
            Container toplevel = parent.getTopLevelAncestor();
            parent.remove(this);
            toplevel.validate();
            toplevel.repaint();
        }
    }


    /**

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        setBounds(x, y, width, height);
        glassPane.add(this);
        glassPane.setVisible(true);


        Container topLevel = getTopLevel();
        topLevel.validate();
        topLevel.repaint();
    }


}

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