Search within documents.

src/main/java/org/segrada/controller/SearchController.java

@@ -84,4 +84,18 @@ public Viewable index(
 		}
 		return new Viewable("search/index", model);
 	}
+
+	@GET
+	@Path("/in_document")
+	@Produces(MediaType.TEXT_HTML)
+	public Viewable searchInDocument(
+			@QueryParam("s") String term,
+			@QueryParam("id") String id
+	) {
+		// create model map
+		Map<String, Object> model = new HashMap<>();
+		model.put("hits", searchEngine.searchInDocument(term, id));
+
+		return new Viewable("search/in_document", model);
+	}
 }

src/main/java/org/segrada/search/SearchEngine.java

@@ -47,6 +47,14 @@ public interface SearchEngine {
 	 */
 	PaginationInfo<SearchHit> search(String searchTerm, Map<String, String> filters);
 
+	/**
+	 * search within a document for certain terms and return list of highlighted hits
+	 * @param searchTerm term(s) to search for
+	 * @param id of document to search in
+	 * @return list of highlighted hits or empty array
+	 */
+	String[] searchInDocument(String searchTerm, String id);
+
 	/**
 	 * Remove entity from index
 	 *

src/main/java/org/segrada/search/lucene/LuceneSearchEngine.java

@@ -313,6 +313,43 @@ else if (searchFilters.size() > 1) {
 		return new PaginationInfo<>(page, 1, 0, entriesPerPage, new LinkedList<>());
 	}
 
+	@Override
+	public String[] searchInDocument(String searchTerm, String id) {
+		// sanity check
+		if (searchTerm == null || id == null || searchTerm.isEmpty() || id.isEmpty()) return new String[]{};
+
+		try {
+			DirectoryReader iReader = DirectoryReader.open(directory);
+			IndexSearcher iSearcher = new IndexSearcher(iReader);
+
+			// only search content
+			MultiFieldQueryParser parser = new MultiFieldQueryParser(Version.LUCENE_47, new String[]{"content"}, analyzer);
+
+			// set operator and contain by id
+			parser.setDefaultOperator(QueryParser.Operator.AND);
+			Query query = parser.parse(searchTerm);
+			Filter filter = new QueryWrapperFilter(new TermQuery(new Term("id", id)));
+
+			// do search, maximum of 1 document
+			TopDocs topDocs = iSearcher.search(query, filter, 1);
+
+			if (topDocs.scoreDocs.length > 0) {
+				ScoreDoc scoreDoc = topDocs.scoreDocs[0];
+
+				// get highlighted text
+				FastVectorHighlighter highlighter = new FastVectorHighlighter();
+				FieldQuery fieldQuery = highlighter.getFieldQuery(new QueryParser(Version.LUCENE_47, "content", analyzer).parse(searchTerm), iReader);
+
+				// return max of 100 highlighted elements
+				return highlighter.getBestFragments(fieldQuery, iReader, scoreDoc.doc, "content", 100, 100);
+			}
+		} catch (Throwable e) {
+			logger.error("Error in search.", e);
+		}
+
+		return new String[]{};
+	}
+
 	@Override
 	public synchronized void remove(String id) {
 		try {

src/main/java/org/segrada/service/repository/orientdb/OrientDbNodeRepository.java

@@ -2,7 +2,6 @@
 
 import com.google.inject.Inject;
 import com.orientechnologies.orient.core.record.impl.ODocument;
-import com.orientechnologies.orient.core.sql.OCommandSQL;
 import com.orientechnologies.orient.core.sql.query.OSQLSynchQuery;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.queryparser.flexible.standard.QueryParserUtil;

src/main/resources/js/segrada.js

@@ -502,6 +502,33 @@
 			}
 		});
 
+		// second type of data form (left side)
+		$("form.sg-simple-form", part).ajaxForm({
+			beforeSubmit: function (arr, $form, options) {
+				// disable form elements
+				$(":input", $form).attr("disabled", true);
+
+				// determine target to replace
+				var target = $form.attr('data-id');
+				if (typeof target !== 'undefined') target = $('#' + target);
+				target = target || $form;
+
+				target.html($('#sg-wait'));
+
+				return true;
+			},
+			success: function (responseText, statusText, xhr, $form) {
+				// determine target to replace
+				var target = $form.attr('data-id');
+				if (typeof target !== 'undefined') target = $('#' + target);
+				target = target || $form;
+
+				target.html(responseText);
+
+				$(":input", $form).attr("disabled", false);
+			}
+		});
+
 		// *******************************************************
 		// period handler
 		$('.sg-periods').each(function() {

src/main/resources/less/single/segrada.less

@@ -147,6 +147,13 @@ a.sg-data-icon {
   overflow: hidden;
 }
 
+.sg-highlight-list div {
+  margin-bottom: 0.1ex;
+}
+.sg-highlight-list div:hover {
+  background: #eee;
+}
+
 /* Settings for icons */
 img.sg-img-pictogram {
   width: 24px;

src/main/webapp/WEB-INF/i18n/messages.properties

@@ -33,6 +33,7 @@ error.calendar.fromTo=Start date must not be after end date.
 error.calendar.incorrect=Date entry is not a correct date (try MM/DD/YYYY or MM/YYY or YYYY).
 error.double=This field has to be unique.
 error.entityNotFound=Entity not found!
+error.nothingFound=Nothing found!
 error.notEmpty=Value must not be empty
 error.notNull=Value must not be empty
 error.rangeLatCoordinate=Coordinate must be between -90 and 90.
@@ -162,4 +163,5 @@ Tags=Tags
 Tag=Tag
 Unlink=Delete connection
 Users=Users
-User=User
+User=User
+field.searchWithinDocument=Search within full text of document

src/main/webapp/WEB-INF/i18n/messages_de.properties

@@ -33,6 +33,7 @@ error.calendar.fromTo=Startdatum darf nicht hinter Anfangsdatum liegen.
 error.calendar.incorrect=Datumseintrag ist nicht korrekt (Format sollte TT.MM.YYYY, MM.YYYY oder YYYY sein).
 error.double=Feldinhalt muss einzigartig sein.
 error.entityNotFound=Datensatz wurde nicht gefunden!
+error.nothingFound=Nichts gefunden!
 error.notEmpty=Wert darf nicht leer sein.
 error.notNull=Wert darf nicht leer sein.
 error.rangeLatCoordinate=Koordinate muss zwischen -180 und 180 liegen.
@@ -162,4 +163,5 @@ Tags=Tags
 Tag=Tag
 Unlink=Verkn\u00FCpfung l\u00F6schen
 User=Benutzer
-Users=Benutzer
+Users=Benutzer
+field.searchWithinDocument=Innerhalb des Dokuments suchen

src/main/webapp/WEB-INF/templates/file/show.html

@@ -58,6 +58,20 @@ <h4 class="sg-data-header">
 					</div>
 				</div>
 
+				<form class="sg-margin-top sg-simple-form" action="#" method="get" th:unless="${#strings.isEmpty(entity.fullText)}" th:action="@{/search/in_document}" th:attr="data-id=${'s-' + entity.uid + '-content'}">
+					<div class="form-group">
+						<label for="s" th:for="${'s-' + entity.uid}" th:text="#{field.searchWithinDocument}">Search within full text of document</label>
+						<input type="text" class="form-control" id="s" th:id="${'s-' + entity.uid}" name="s" />
+					</div>
+
+					<input type="hidden" name="id" th:value="${entity.uid}" />
+					<div class="sg-margin-top-sm">
+						<button type="submit" class="btn btn-default" th:text="#{Search}">Search</button>
+					</div>
+				</form>
+
+				<div id="s-x" th:id="${'s-' + entity.uid + '-content'}"></div>
+
 				<div th:if="${entity.fileIdentifier}" class="sg-margin-top sg-margin-bottom">
 					<div th:if="${#strings.startsWith(entity.mimeType,'image/')}">
 						<img src="#" th:src="@{/file/file/{uid}(uid=${entity.uid})}" alt="" th:alt-title="${entity.title}" style="width: 100%;" />

src/main/webapp/WEB-INF/templates/search/in_document.html

@@ -0,0 +1,25 @@
+<!doctype html>
+<html xmlns:th="http://www.thymeleaf.org" th:lang="${#locale.language}">
+<head>
+	<meta charset="utf-8" />
+	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
+	<title th:text="#{Search}">Search</title>
+	<div th:include="partials/common :: head" th:remove="tag"></div>
+</head>
+
+<body>
+<div th:replace="partials/common :: browser"></div>
+
+<div class="container" th:fragment="content">
+	<div th:unless="${#arrays.isEmpty(hits)}" class="small sg-margin-top sg-margin-top sg-highlight-list">
+		<div th:each="highlightText : ${hits}" th:utext="${highlightText}"></div>
+	</div>
+	<div th:if="${#arrays.isEmpty(hits)}" class="small">
+		<div class="alert alert-danger sg-margin-top" role="alert" th:text="#{error.nothingFound}">
+			ERROR
+		</div>
+	</div>
+</div>
+
+</body>
+</html>