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*   Acunia N.V.                                                           *
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*   Belgium - EUROPE                                                      *
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package com.acunia.wonka.test.awt.layout;

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Label;
import java.awt.LayoutManager;

import com.acunia.wonka.test.awt.VisualTestImpl;

public class ValidateCheckLayout extends VisualTestImpl implements LayoutManager {

  private LayoutManager mngr = new java.awt.FlowLayout();
  private int counter = 0;
  private Label label;
  private String result = "TEST PASSES: ";
  private String message = " validate is only called once!";

  private boolean autorunning;

  public ValidateCheckLayout(){
    super();
    this.setLayout(this);
  }

  public void start(java.awt.Panel p, boolean b) {
    autorunning = b;

    label = new Label(result);

    /*
    ** Do some stuff that should *not* validate/layout the container.
    */

    this.add(label);
    this.remove(label);
    this.add(label);
    this.add(new Label(message));

    label.setText(result);

    validate();
  }
     	
  public void addLayoutComponent(String name, Component comp){
    counter++;
    mngr.addLayoutComponent(name, comp);
  }

  public void layoutContainer(Container parent) {
    if (counter > 0) {
      result = "TEST FAILED: ";
      message = "validate is called to soon!";
      if (!autorunning) {
        vt.log("Test failed.  The method Container.validate() is called too soon: Container.addImpl() and Container.remove() should not call validate() themselves.", this);
      }
    }

    mngr.layoutContainer(parent);
  }

  public Dimension minimumLayoutSize(Container parent){
    return mngr.minimumLayoutSize(parent);
  }

  public Dimension preferredLayoutSize(Container parent){
    return mngr.preferredLayoutSize(parent);
  }

  public void removeLayoutComponent(Component comp){
    mngr.removeLayoutComponent(comp);
  }

  public String getHelpText(){
    return "This test tries to see if a validate is called after an Panel.add(comp)\n"+
      "if the test fails the labels will be set to show this, otherwise test passed is displayed" ;
  }
}