| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.myfaces.tobago.renderkit; |
| |
| import org.apache.myfaces.tobago.component.Attributes; |
| import org.apache.myfaces.tobago.component.SupportsAccessKey; |
| import org.apache.myfaces.tobago.util.ComponentUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.faces.component.UIComponent; |
| import java.lang.invoke.MethodHandles; |
| import java.util.Locale; |
| |
| public final class LabelWithAccessKey { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private final String label; |
| private final Character accessKey; |
| private final int pos; |
| |
| public LabelWithAccessKey(final SupportsAccessKey component) { |
| this(component, false); |
| } |
| |
| public LabelWithAccessKey(final SupportsAccessKey component, final boolean preferItemLabel) { |
| |
| String label0; |
| Character accessKey0; |
| int pos0 = -1; |
| |
| label0 = component.getLabel(); |
| |
| // compatibility since TOBAGO-1093 |
| if (preferItemLabel) { |
| final String itemLabel = ComponentUtils.getStringAttribute((UIComponent) component, Attributes.itemLabel); |
| if (itemLabel != null) { |
| label0 = itemLabel; |
| } |
| } |
| |
| accessKey0 = component.getAccessKey(); |
| if (accessKey0 != null) { |
| accessKey0 = Character.toLowerCase(accessKey0); |
| if (!isPermitted(accessKey0)) { |
| LOG.warn("Ignoring illegal access key: " + accessKey0); |
| accessKey0 = null; |
| } |
| } |
| |
| if (accessKey0 != null && label0 != null) { |
| pos0 = label0.toLowerCase(Locale.ENGLISH).indexOf(accessKey0); |
| } |
| |
| label = label0; |
| accessKey = accessKey0; |
| pos = pos0; |
| } |
| |
| public String getLabel() { |
| return label; |
| } |
| |
| public Character getAccessKey() { |
| return accessKey; |
| } |
| |
| public int getPos() { |
| return pos; |
| } |
| |
| /** |
| * Ensures, that no illegal character will be write out. |
| * (If this is changed from only allowing normal letters and numbers, the renderers may change the escaping) |
| */ |
| private boolean isPermitted(final Character key) { |
| return key == null || key >= 'a' && key <= 'z' || key >= '0' && key <= '9'; |
| } |
| } |