全文搜索：搜索完成后关闭搜索显示，未搜索到内容提示用户

app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentActivity.kt

@@ -148,16 +148,20 @@ class SearchContentActivity :
                             searchResults = viewModel.searchChapter(query, bookChapter)
                         }
                     }
+                    binding.tvCurrentSearchInfo.text = this@SearchContentActivity.getString(R.string.search_content_size) +": ${viewModel.searchResultCounts}"
                     if (searchResults.isNotEmpty()) {
                         viewModel.searchResultList.addAll(searchResults)
                         binding.refreshProgressBar.isAutoLoading = false
-                        binding.tvCurrentSearchInfo.text = this@SearchContentActivity.getString(R.string.search_content_size) +": ${viewModel.searchResultCounts}"
                         adapter.addItems(searchResults)
                         searchResults = listOf()
                     }
                 }
+                binding.refreshProgressBar.isAutoLoading = false
+                if (viewModel.searchResultCounts == 0) {
+                    val noSearchResult = SearchResult(resultText = getString(R.string.search_content_empty))
+                    adapter.addItem(noSearchResult)
+                }
             }
-            binding.refreshProgressBar.isAutoLoading = false
         }
     }
 

app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentAdapter.kt

@@ -39,7 +39,7 @@ class SearchContentAdapter(context: Context, val callback: Callback) :
     override fun registerListener(holder: ItemViewHolder, binding: ItemSearchListBinding) {
         holder.itemView.setOnClickListener {
             getItem(holder.layoutPosition)?.let {
-                callback.openSearchResult(it)
+                if (!it.query.isBlank()) callback.openSearchResult(it)
             }
         }
     }

app/src/main/java/io/legado/app/ui/book/searchContent/SearchResult.kt

@@ -8,7 +8,7 @@ data class SearchResult(
     val resultCountWithinChapter: Int = 0,
     val resultText: String = "",
     val chapterTitle: String = "",
-    val query: String,
+    val query: String = "",
     val pageSize: Int = 0,
     val chapterIndex: Int = 0,
     val pageIndex: Int = 0,
@@ -17,14 +17,18 @@ data class SearchResult(
 ) {
 
     fun getHtmlCompat(textColor: String, accentColor: String): Spanned {
-        val queryIndexInSurrounding = resultText.indexOf(query)
-        val leftString = resultText.substring(0, queryIndexInSurrounding)
-        val rightString = resultText.substring(queryIndexInSurrounding + query.length, resultText.length)
-        val html = leftString.colorTextForHtml(textColor) +
-                query.colorTextForHtml(accentColor) +
-                rightString.colorTextForHtml(textColor) +
-                chapterTitle.colorTextForHtml(accentColor)
-        return HtmlCompat.fromHtml(html, HtmlCompat.FROM_HTML_MODE_LEGACY)
+        if (!query.isBlank()) {
+            val queryIndexInSurrounding = resultText.indexOf(query)
+            val leftString = resultText.substring(0, queryIndexInSurrounding)
+            val rightString = resultText.substring(queryIndexInSurrounding + query.length, resultText.length)
+            val html = leftString.colorTextForHtml(textColor) +
+                    query.colorTextForHtml(accentColor) +
+                    rightString.colorTextForHtml(textColor) +
+                    chapterTitle.colorTextForHtml(accentColor)
+            return HtmlCompat.fromHtml(html, HtmlCompat.FROM_HTML_MODE_LEGACY)
+        } else {
+                return HtmlCompat.fromHtml(resultText.colorTextForHtml(textColor), HtmlCompat.FROM_HTML_MODE_LEGACY)
+        }
     }
 
     private fun String.colorTextForHtml(textColor: String) = "<font color=#${textColor}>$this</font>"

app/src/main/res/values-es-rES/strings.xml

@@ -907,6 +907,7 @@
     <string name="font_scale">字体大小</string>
     <string name="font_scale_summary">当前字体大小:%.1f</string>
     <string name="search_content_size">search result</string>
+    <string name="search_content_empty">search result is empty</string>
     <string name="tts_speech_reduce">语速减</string>
     <string name="tts_speech_add">语速加</string>
     <string name="open_sys_dir_picker_error">打开系统文件夹选择器出错,自动打开应用文件夹选择器</string>

app/src/main/res/values-ja-rJP/strings.xml

@@ -910,6 +910,7 @@
     <string name="font_scale">字体大小</string>
     <string name="font_scale_summary">当前字体大小:%.1f</string>
     <string name="search_content_size">search result</string>
+    <string name="search_content_empty">search result is empty</string>
     <string name="tts_speech_reduce">语速减</string>
     <string name="tts_speech_add">语速加</string>
     <string name="open_sys_dir_picker_error">打开系统文件夹选择器出错,自动打开应用文件夹选择器</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -910,6 +910,7 @@
     <string name="font_scale">字体大小</string>
     <string name="font_scale_summary">当前字体大小:%.1f</string>
     <string name="search_content_size">search result</string>
+    <string name="search_content_empty">search result is empty</string>
     <string name="tts_speech_reduce">语速减</string>
     <string name="tts_speech_add">语速加</string>
     <string name="open_sys_dir_picker_error">打开系统文件夹选择器出错,自动打开应用文件夹选择器</string>

app/src/main/res/values-zh-rHK/strings.xml

@@ -901,6 +901,7 @@
     <string name="use_browser_open">是否使用外部瀏覽器打開?</string>
     <string name="see">查看</string>
     <string name="search_content_size">搜索結果</string>
+    <string name="search_content_empty">搜索結果为空</string>
     <string name="open">打開</string>
     <string name="del_login_header">刪除登錄頭</string>
     <string name="show_login_header">查看登錄頭</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -913,6 +913,7 @@
     <string name="open_sys_dir_picker_error">打開系統資料夾選擇器出錯,自動打開應用程式資料夾選擇器</string>
     <string name="expand_text_menu">展開文字選擇選單</string>
     <string name="search_content_size">搜尋結果</string>
+    <string name="search_content_empty">搜尋結果为空</string>
     <string name="book_tree_uri_t">書籍儲存位置</string>
     <string name="book_tree_uri_s">從其它應用程式打開的書籍儲存位置</string>
     <string name="bg_alpha">背景透明度</string>

app/src/main/res/values-zh/strings.xml

@@ -780,6 +780,7 @@
     <string name="sort_by_lastUpdateTime">更新时间排序</string>
     <string name="search_content">全文搜索</string>
     <string name="search_content_size">搜索结果</string>
+    <string name="search_content_empty">搜索结果为空</string>
     <string name="rss_source_empty">关注公众号[开源阅读]获取订阅源!</string>
     <string name="explore_empty">当前没有发现源,关注公众号[开源阅读]添加带发现的书源!</string>
     <string name="page_key_set_help">将焦点放到输入框按下物理按键会自动录入键值,多个按键会自动用英文逗号隔开.</string>

app/src/main/res/values/strings.xml

@@ -911,6 +911,7 @@
     <string name="font_scale">font scale</string>
     <string name="font_scale_summary">font scale:%.1f</string>
     <string name="search_content_size">search result</string>
+    <string name="search_content_empty">search result is empty</string>
     <string name="tts_speech_reduce">语速减</string>
     <string name="tts_speech_add">语速加</string>
     <string name="open_sys_dir_picker_error">打开系统文件夹选择器出错,自动打开应用文件夹选择器</string>