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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.jface.action.IMenuCreator;
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14
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15 import dwt.widgets.Control;
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16 import dwt.widgets.Menu;
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17
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18 /**
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19 * Interface for something that creates and disposes of DWT menus. Note that
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20 * it is the responsibility of the implementor to dispose of DWT menus it
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21 * creates.
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22 */
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23 public interface IMenuCreator {
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24 /**
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25 * Disposes the menu returned by <code>getMenu</code>. Does nothing
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26 * if there is no menu. This method will be executed only when the
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27 * parent of the menu is disposed.
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28 */
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29 public void dispose();
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30
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31 /**
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32 * Returns the DWT menu, created as a pop up menu parented by the
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33 * given control. In most cases, this menu can be created once, cached and reused
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34 * when the pop-up/drop-down action occurs. If the menu must be dynamically
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35 * created (i.e., each time it is popped up or dropped down), the old menu
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36 * should be disposed of before replacing it with the new menu.
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37 *
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38 * @param parent the parent control
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39 * @return the menu, or <code>null</code> if the menu could not
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40 * be created
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41 */
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42 public Menu getMenu(Control parent);
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43
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44 /**
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45 * Returns an DWT menu created as a drop down menu parented by the
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46 * given menu. In most cases, this menu can be created once, cached and reused
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47 * when the pop-up/drop-down action occurs. If the menu must be dynamically
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48 * created (i.e., each time it is popped up or dropped down), the old menu
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49 * should be disposed of before replacing it with the new menu.
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50 *
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51 * @param parent the parent menu
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52 * @return the menu, or <code>null</code> if the menu could not
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53 * be created
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54 */
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55 public Menu getMenu(Menu parent);
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56 }
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