| /** |
| * 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.weex.ui.component.list.template; |
| |
| import android.text.TextUtils; |
| |
| import org.apache.weex.ui.component.WXComponent; |
| import org.apache.weex.ui.component.WXVContainer; |
| import org.apache.weex.ui.component.list.WXCell; |
| |
| import java.util.List; |
| |
| /** |
| * Created by furture on 2018/7/24. |
| */ |
| |
| public class Selector { |
| |
| /** |
| * @param selector [att=xx] |
| * query elements match selector, current only support attr selector |
| * */ |
| public static void queryElementAll(WXComponent component, String selector, List<WXComponent> componentList){ |
| if(TextUtils.isEmpty(selector)){ |
| return; |
| } |
| selector = selector.replaceAll("\\[|]", ""); |
| String[] args = selector.split("="); |
| if(args.length <= 0){ |
| return; |
| } |
| String key = args[0]; |
| String value = null; |
| if(args.length > 1){ |
| value = args[1].trim(); |
| } |
| if(component instanceof WXVContainer){ |
| WXVContainer container = (WXVContainer) component; |
| for(int i=0; i<container.getChildCount(); i++){ |
| queryElementAllByAttrs(container.getChild(i), key, value, componentList); |
| } |
| } |
| } |
| |
| |
| public static void closest(WXComponent component, String selector,List<WXComponent> componentList){ |
| if(TextUtils.isEmpty(selector)){ |
| return; |
| } |
| selector = selector.replaceAll("\\[|]", ""); |
| String[] args = selector.split("="); |
| if(args.length <= 0){ |
| return; |
| } |
| String key = args[0]; |
| String value = null; |
| if(args.length > 1){ |
| value = args[1].trim(); |
| } |
| closestByAttrs(component, key, value, componentList); |
| } |
| |
| private static void closestByAttrs(WXComponent component, String key, String value, List<WXComponent> componentList){ |
| if(matchAttrs(component, key, value)){ |
| componentList.add(component); |
| } |
| if(component instanceof WXCell || component instanceof WXRecyclerTemplateList){ |
| return; |
| } |
| queryElementAllByAttrs(component.getParent(), key, value, componentList); |
| } |
| |
| |
| private static void queryElementAllByAttrs(WXComponent component, String key, String value, List<WXComponent> componentList){ |
| if(matchAttrs(component, key, value)){ |
| componentList.add(component); |
| } |
| if(component instanceof WXVContainer){ |
| WXVContainer container = (WXVContainer) component; |
| for(int i=0; i<container.getChildCount(); i++){ |
| queryElementAllByAttrs(container.getChild(i), key, value, componentList); |
| } |
| } |
| } |
| |
| |
| private static boolean matchAttrs(WXComponent component, String key, String value){ |
| if(component.isWaste()){ |
| return false; |
| } |
| if(!component.getAttrs().containsKey(key)){ |
| return false; |
| } |
| if(TextUtils.isEmpty(value)){ |
| return true; |
| } |
| Object attrValue = component.getAttrs().get(key); |
| if(attrValue == null){ |
| return false; |
| } |
| return value.equals(attrValue.toString()); |
| } |
| } |