Examples of java.util.ArrayList.indexOf()

java.util.ArrayList.indexOf()
Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element. More formally, returns the lowest index i such that (o==null ? get(i)==null : o.equals(get(i))), or -1 if there is no such index.

  }


  public void up() {
    TreeControlNode parent = getParent();
    ArrayList brothers = parent.children;
    int myIndex = brothers.indexOf(this);
    if (myIndex<brothers.size()-1) {
      TreeControlNode nextOne =
        (TreeControlNode) brothers.get(myIndex + 1);      
      brothers.set(myIndex, nextOne);
      brothers.set(myIndex + 1, this);

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  }
  
  public void down() {
    TreeControlNode parent = getParent();
    ArrayList brothers = parent.children;
    int myIndex = brothers.indexOf(this);
    if (myIndex>0) {
      TreeControlNode nextOne =
        (TreeControlNode) brothers.get(myIndex - 1);      
      brothers.set(myIndex, nextOne);
      brothers.set(myIndex - 1, this);

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          } else {
            methodOfContact.setIsPrimary("NO");
          }
          remote.updateMOC(methodOfContact, contactID, individualID);
        } else {
          int index = phoneNumbers.indexOf(Integer.toString(methodOfContact.getMocID()));
          if (index != -1) {
            if (index < 3) {
              methodOfContact.setIsPrimary("YES");
            } else {
              methodOfContact.setIsPrimary("NO");

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        }
        else if(htmlTag == Tag.OL)
        {
          orderedListIndex[i] = 0;
          String parentName = parent.getName().toLowerCase();
          whitespaces[i] = whitespaces[elements.indexOf(parent)] + whitespace;
          if(parentName.equals("li"))
          {
            chunk = "";
          }
          else

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            ++crtOffset;
          }
        }
        else if(htmlTag == Tag.UL)
        {
          whitespaces[i] = whitespaces[elements.indexOf(parent)] + whitespace;


          String parentName = parent.getName().toLowerCase();
          if(parentName.equals("li"))
          {
            chunk = "";

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        }
        else if(htmlTag == Tag.LI)
        {
          
          whitespaces[i] = whitespaces[elements.indexOf(parent)];
          if(element.getElement(0) != null && 
              (element.getElement(0).getName().toLowerCase().equals("ol") || element.getElement(0).getName().toLowerCase().equals("ul"))
              )
          {
            chunk = "";

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          {
            chunk = "";
          }
          else if(parent.getName().equals("ol"))
          {
            int index = elements.indexOf(parent);
            chunk = whitespaces[index] + String.valueOf(++orderedListIndex[index]) + ".  ";
          } 
          else
          {
            chunk = whitespaces[elements.indexOf(parent)] + "\u2022  ";

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            int index = elements.indexOf(parent);
            chunk = whitespaces[index] + String.valueOf(++orderedListIndex[index]) + ".  ";
          } 
          else
          {
            chunk = whitespaces[elements.indexOf(parent)] + "\u2022  ";
          }
          crtOffset += chunk.length();
        }
        else if (element instanceof LeafElement)
        {

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         // remove old listeners
         ArrayList copy = new ArrayList(listeners);
         for (int i = 0; i < alertListeners.size(); i++)
         {
            ObjectName oname = (ObjectName)alertListeners.get(i);
            int idx = copy.indexOf(oname);
            if (idx == -1)
            {
               try
               {
                  getServer().removeNotificationListener(getServiceName(), oname);

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        ((DefaultComboBoxModel) getModel()).insertElementAt(string, 0);
        return;
      }
    }
    // If we are here, we just have the strings.
    int index = values.indexOf(string);    
    if (index >= 0) {
      ((DefaultComboBoxModel) getModel()).removeElementAt(index);
    }
    ((DefaultComboBoxModel) getModel()).insertElementAt(string, 0);
    // Put this into the AWT-Queue.

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