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The source code// $Id: UMLSearchableComboBox.java,v 1.11 2004/09/14 20:12:16 mvw Exp $ // Copyright (c) 1996-2003 The Regents of the University of California. All // Rights Reserved. Permission to use, copy, modify, and distribute this // software and its documentation without fee, and without a written // agreement is hereby granted, provided that the above copyright notice // and this paragraph appear in all copies. This software program and // documentation are copyrighted by The Regents of the University of // California. The software program and documentation are supplied "AS // IS", without any accompanying services from The Regents. The Regents // does not warrant that the operation of the program will be // uninterrupted or error-free. The end-user understands that the program // was developed for research purposes and is advised not to rely // exclusively on the program for any reason. IN NO EVENT SHALL THE // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. package org.argouml.uml.ui; import javax.swing.ComboBoxModel; import org.argouml.model.ModelFacade; /** * A searchable combobox. Searchable means that the user only has to type the * starting of a modelelement name to select that modelelement. The first * modelelement that conforms to the typed text is selected. * @author jaap.branderhorst@xs4all.nl * @since Jan 5, 2003 */ public class UMLSearchableComboBox extends UMLEditableComboBox { /** * Constructor for UMLSearchableComboBox. * @param model the model * @param selectAction the action for selction * @param showIcon true if we show an icon in the list */ public UMLSearchableComboBox(UMLComboBoxModel2 model, UMLAction selectAction, boolean showIcon) { super(model, selectAction, showIcon); } /** * Constructor for UMLSearchableComboBox. * @param arg0 the model * @param selectAction the action for selection */ public UMLSearchableComboBox(UMLComboBoxModel2 arg0, UMLAction selectAction) { this(arg0, selectAction, true); } /** * Searches amongst the modelelements (the elements in the listmodel) for an * item that conforms to the parameter item. If such an element is a * MModelelement, the name should start with the item (which is a String). * Otherwise the text that is shown in the combobox should start with the * text. As the element is found, this is made to the selected item. * * @see org.argouml.uml.ui.UMLEditableComboBox#doOnEdit(Object) */ protected void doOnEdit(Object item) { Object element = search(item); if (element != null) { setSelectedItem(element); } } /** * Does the actual searching. Returns the item found or null if there is no * item found. * @param item the string entered by the user * @return Object the found object from the list, or null if none found */ protected Object search(Object item) { String text = (String) item; ComboBoxModel model = getModel(); for (int i = 0; i < model.getSize(); i++) { Object element = model.getElementAt(i); if (org.argouml.model.ModelFacade.isABase(element)) { if (getRenderer() instanceof UMLListCellRenderer2) { String labelText = ((UMLListCellRenderer2) getRenderer()) .makeText(element); if (labelText != null && labelText.startsWith(text)) { return element; } } if (org.argouml.model.ModelFacade.isAModelElement(element)) { Object/*MModelElement*/ elem = element; String name = ModelFacade.getName(elem); if (name != null && name.startsWith(text)) { return element; } } } } return null; } } |
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