/** * Constructs a new instance of this class given its parent (which must be a <code>ToolBar</code> * ), a style value describing its behavior and appearance, and the index at which to place it in * the items maintained by its parent. * * <p>The style value is either one of the style constants defined in class <code>SWT</code> which * is applicable to instances of this class, or must be built by <em>bitwise OR</em>'ing together * (that is, using the <code>int</code> "|" operator) two or more of those <code>SWT</code> style * constants. The class description lists the style constants that are applicable to the class. * Style bits are also inherited from superclasses. * * @param parent a composite control which will be the parent of the new instance (cannot be null) * @param style the style of control to construct * @param index the zero-relative index to store the receiver in its parent * @exception IllegalArgumentException * <ul> * <li>ERROR_NULL_ARGUMENT - if the parent is null * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the * parent (inclusive) * </ul> * * @exception SWTException * <ul> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass * </ul> * * @see SWT#PUSH * @see SWT#CHECK * @see SWT#RADIO * @see SWT#SEPARATOR * @see SWT#DROP_DOWN * @see Widget#checkSubclass * @see Widget#getStyle */ public ToolItem(ToolBar parent, int style, int index) { super(parent, checkStyle(style)); this.parent = parent; int count = parent.getItemCount(); if (!(0 <= index && index <= count)) { error(SWT.ERROR_INVALID_RANGE); } createWidget(index); }
/** * Constructs a new instance of this class given its parent (which must be a <code>ToolBar</code>) * and a style value describing its behavior and appearance. The item is added to the end of the * items maintained by its parent. * * <p>The style value is either one of the style constants defined in class <code>SWT</code> which * is applicable to instances of this class, or must be built by <em>bitwise OR</em>'ing together * (that is, using the <code>int</code> "|" operator) two or more of those <code>SWT</code> style * constants. The class description lists the style constants that are applicable to the class. * Style bits are also inherited from superclasses. * * @param parent a composite control which will be the parent of the new instance (cannot be null) * @param style the style of control to construct * @exception IllegalArgumentException * <ul> * <li>ERROR_NULL_ARGUMENT - if the parent is null * </ul> * * @exception SWTException * <ul> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass * </ul> * * @see SWT#PUSH * @see SWT#CHECK * @see SWT#RADIO * @see SWT#SEPARATOR * @see SWT#DROP_DOWN * @see Widget#checkSubclass * @see Widget#getStyle */ public ToolItem(ToolBar parent, int style) { super(parent, checkStyle(style)); this.parent = parent; createWidget(parent.getItemCount()); }