com.jgoodies.forms.extras

## Class FormLayoutUtils.ConstraintIterator

- java.lang.Object
- - com.jgoodies.forms.extras.FormLayoutUtils.ConstraintIterator

- Enclosing class:
    FormLayoutUtils

      public static final class FormLayoutUtils.ConstraintIterator
      extends Object

  Iterates over a FormLayout container's `CellConstraints`. The container's child component collection and the layout's constraints collection must not be changed during the iteration; otherwise the behavior of this iterator is unspecified and unsafe.
  See Also:
    `FormLayout`, `CellConstraints`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `FormLayoutUtils.ConstraintIterator(Container container)` Constructs a ConstraintIterator for the given FormLayout container.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `hasNext()` Returns `true` if the iteration has more elements.
    `CellConstraints` | `nextConstraints()` Returns the next element in the iteration.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### FormLayoutUtils.ConstraintIterator

          public FormLayoutUtils.ConstraintIterator(Container container)

      Constructs a ConstraintIterator for the given FormLayout container. Useful to iterate over the container's `CellConstraints`.
      Parameters:
        `container` - the layout container
      Throws:
        `IllegalArgumentException` - if the container's layout is not a `FormLayout`

  - ### Method Detail

    - #### hasNext

          public boolean hasNext()

      Returns `true` if the iteration has more elements. (In other words, returns `true` if `next` would return an element rather than throwing an exception.)
      Returns:
        true if the iterator has more elements.

    - #### nextConstraints

          public CellConstraints nextConstraints()

      Returns the next element in the iteration.
      Returns:
        the next element in the iteration.
      Throws:
        `NoSuchElementException` - iteration has no more elements.

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