话题解析升级

app/src/main/java/cn/yunliyunwai/beyondclouds/adapter/DynamicListRecyclerViewAdapter.java

@@ -26,25 +26,38 @@ import cn.yunliyunwai.beyondclouds.data.model.Post;
 import cn.yunliyunwai.beyondclouds.databinding.PostItemBinding;
 import cn.yunliyunwai.beyondclouds.util.DateUtils;
 import cn.yunliyunwai.beyondclouds.util.GlideRoundTransform;
+import lombok.Data;
 
 public class DynamicListRecyclerViewAdapter extends BaseQuickAdapter<Post,BaseViewHolder> {
 
-    static class TopicLink {
-        private TopicLink(String topic, int start, int end) {
-            this.topic = topic;
-            this.start = start;
-            this.end = end;
+    @Data
+    static class PostLink {
+        enum LinkType {
+            TOPIC,
+            OTHER
         }
+
         private int start;
         private int end;
-        private String topic;
+        private String content;
+        private String link;
+        private LinkType linkType;
+
+        public PostLink(int start, int end, String content, String link, LinkType linkType) {
+            this.start = start;
+            this.end = end;
+            this.content = content;
+            this.link = link;
+            this.linkType = linkType;
+        }
 
-        public static TopicLink of(String topic, int start, int end) {
-            return new TopicLink(topic, start, end);
+        public static PostLink of(int start, int end, String content, String link, LinkType linkType) {
+            return new PostLink(start, end, content, link, linkType);
         }
     }
 
-    private static final  Pattern TOPIC_LINK_PATTERN = Pattern.compile("<a href=.+>(#.+#)</a>");
+    private static final  Pattern TOPIC_LINK_PATTERN = Pattern.compile("<a.+?href=['\"](.+?)['\"]>(.+?)</a>");
+    private static final  String TOPIC_BARRIER = "#";
 
     private static final GlideRoundTransform glideRoundTransform = new GlideRoundTransform(3);
     public DynamicListRecyclerViewAdapter(int layoutResId) {
@@ -64,7 +77,7 @@ public class DynamicListRecyclerViewAdapter extends BaseQuickAdapter<Post,BaseVi
     static class TopicLinkClickable extends ClickableSpan {
         @Override
         public void onClick(@NonNull View widget) {
-            Toast.makeText(widget.getContext(), "点击了话题", Toast.LENGTH_SHORT).show();
+            Toast.makeText(widget.getContext(), "点击了链接", Toast.LENGTH_SHORT).show();
         }
 
         @Override
@@ -75,26 +88,33 @@ public class DynamicListRecyclerViewAdapter extends BaseQuickAdapter<Post,BaseVi
     }
 
     private void parseAndSetContent(TextView textView, String content) {
+        content = content.replace("<br>", "\n");
+        content = content.replace("<br/>", "\n");
         SpannableStringBuilder builder = new SpannableStringBuilder();
 
-        List<TopicLink> topicLinkList = new ArrayList<>(10);
+        List<PostLink> postLinkList = new ArrayList<>(10);
 
         Matcher matcher = TOPIC_LINK_PATTERN.matcher(content);
         while (matcher.find()) {
-            String topic = matcher.group(1);
-            topicLinkList.add(TopicLink.of(topic, matcher.start(), matcher.end()));
+            String link = matcher.group(1);
+            String linkContent = matcher.group(2);
+            PostLink.LinkType linkType =
+                    (linkContent.startsWith(TOPIC_BARRIER) && linkContent.endsWith(TOPIC_BARRIER))
+                            ? PostLink.LinkType.TOPIC
+                            : PostLink.LinkType.OTHER;
+            postLinkList.add(PostLink.of(matcher.start(), matcher.end(), linkContent, link, linkType));
         }
 
         int currentIndex = 0;
-        for (TopicLink topicLink: topicLinkList) {
-            String plainText = content.substring(currentIndex, topicLink.start);
+        for (PostLink postLink : postLinkList) {
+            String plainText = content.substring(currentIndex, postLink.start);
             if (!TextUtils.isEmpty(plainText)) {
                 builder.append(plainText);
             }
-            SpannableString topicSpannable = new SpannableString(topicLink.topic);
+            SpannableString topicSpannable = new SpannableString(postLink.content);
             topicSpannable.setSpan(new TopicLinkClickable(),0, topicSpannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
             builder.append(topicSpannable);
-            currentIndex = topicLink.end;
+            currentIndex = postLink.end;
         }
         if (currentIndex != content.length()) {
             builder.append(content.substring(currentIndex));

app/src/main/res/layout/post_item.xml

@@ -42,25 +42,14 @@
         android:textColor="@color/colorTextAccent"
         app:layout_constraintTop_toBottomOf="@id/barrier_user_info"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toStartOf="@id/blog_cover"/>
-
-    <ImageView
-        android:layout_marginTop="10dp"
-        android:id="@+id/blog_cover"
-        app:layout_constraintTop_toBottomOf="@id/barrier_user_info"
-        app:layout_constraintEnd_toEndOf="parent"
-        android:layout_width="82dp"
-        android:layout_height="55dp"
-        android:maxWidth="82dp"
-        android:maxHeight="55dp"
-        android:src="@drawable/pic1" />
+       />
 
     <androidx.constraintlayout.widget.Barrier
         android:id="@+id/barrier_content"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         app:barrierDirection="bottom"
-        app:constraint_referenced_ids="txt_abstract,blog_cover"
+        app:constraint_referenced_ids="txt_content"
         tools:layout_editor_absoluteX="12dp"
         tools:layout_editor_absoluteY="16dp" />