| /******************************************************************************* |
| * Copyright (c) 2006 Oracle Corporation. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Gerry Kessler/Oracle - initial API and implementation |
| * |
| ********************************************************************************/ |
| package org.eclipse.jst.jsf.taglibprocessing.attributevalues; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IDefaultValue; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IPossibleValues; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IValidValues; |
| import org.eclipse.jst.jsf.metadataprocessors.features.PossibleValue; |
| |
| /** |
| * Meta-data processing type representing a String attribute value runtime type |
| * that implements IPossibleValues, IValidValues and IDefaultValues |
| * |
| * <p><b>Provisional API - subject to change</b></p> |
| * @author Gerry Kessler - Oracle |
| */ |
| public class StringType extends EnumerationType implements IValidValues, |
| IPossibleValues, IDefaultValue { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.jsf.taglibprocessing.attributevalues.EnumerationType#getReturnType() |
| */ |
| protected String getReturnType(){ return "java.lang.String";} //$NON-NLS-1$ |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.jsf.metadataprocessors.features.IValidValues#isValidValue(java.lang.String) |
| */ |
| public boolean isValidValue(String value) { |
| List vals = getMDValidValues(); |
| if (vals.isEmpty()) |
| return true; |
| |
| //if the value is empty but there is a default value, consider it valid |
| if (getDefaultValue() != null && (value == null || value.trim().equals(""))) //$NON-NLS-1$ |
| return true; |
| |
| if(! vals.contains(value)){ |
| addNewValidationMessage(Messages.StringType_invalid_value); |
| } |
| return getValidationMessages().isEmpty(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.jsf.metadataprocessors.features.IPossibleValues#getPossibleValues() |
| */ |
| public List getPossibleValues() { |
| List pvs = getMDPossibleValues(); |
| if (pvs.isEmpty()) |
| return EMPTY_LIST; |
| |
| List pdvs = getMDPossibleValuesForDisplay(); |
| |
| //if there are no display vals or the meta-data list sizes are different, use the values list for display also |
| if (pdvs.isEmpty() || pvs.size() != pdvs.size()) |
| pdvs = pvs; |
| |
| ImageDescriptor icon = getImage(); |
| |
| String defaultValue = getDefaultValue(); |
| List ret = new ArrayList(pvs.size()); |
| for(int i=0;i<pvs.size();i++){ |
| PossibleValue pv = new PossibleValue((String)pvs.get(i), (String)pdvs.get(i)); |
| pv.setIcon(icon); |
| pv.setIsDefault(((String)pvs.get(i)).equals(defaultValue)); |
| ret.add(pv); |
| } |
| return ret; |
| } |
| |
| } |