Several bug fixes in the diff

openslides/motions/static/js/motions/base.js

@@ -278,11 +278,16 @@ angular.module('OpenSlidesApp.motions', [
                         html = lineNumberingService.insertLineNumbers(this.getVersion(versionId).text, lineLength);
 
                     var data = diffService.extractRangeByLineNumbers(html, maxLine, null);
-                    html = data.outerContextStart + data.innerContextStart +
-                        data.html +
-                        data.innerContextEnd + data.outerContextEnd;
-                    html = lineNumberingService.insertLineNumbers(html, lineLength, highlight, null, maxLine);
 
+                    if (data.html !== '') {
+                        html = data.outerContextStart + data.innerContextStart +
+                            data.html +
+                            data.innerContextEnd + data.outerContextEnd;
+                        html = lineNumberingService.insertLineNumbers(html, lineLength, highlight, null, maxLine);
+                    } else {
+                        // Prevents empty lines at the end of the motion
+                        html = '';
+                    }
                     return html;
                 },
                 _getTextWithChangeRecommendations: function (versionId, highlight, statusCompareCb) {

openslides/motions/static/js/motions/diff.js

@@ -836,8 +836,9 @@ angular.module('OpenSlidesApp.motions.diff', ['OpenSlidesApp.motions.lineNumberi
 
                 for (i = 0; i < out.n.length; i++) {
                     if (out.n[i].text === undefined) {
-                        //this._outputcharcode('ins', out.n[i]);
+                        if (out.n[i] !== "") {
-                        str += '<ins>' + out.n[i] + "</ins>";
+                            str += '<ins>' + out.n[i] + "</ins>";
+                        }
                     } else {
                         var pre = "";
 
@@ -973,6 +974,7 @@ angular.module('OpenSlidesApp.motions.diff', ['OpenSlidesApp.motions.lineNumberi
                     found = found.replace(/<\/(div|p|li)[^>]*>/gi, function(match) { return '</del>' + match; });
                     return found;
                 });
+                diffUnnormalized = diffUnnormalized.replace(/^<del><p>(.*)<\/p><\/del>$/gi, function(match, inner) { return "<p>" + inner + "</p>"; });
 
                 var node = document.createElement('div');
                 node.innerHTML = diffUnnormalized;

openslides/motions/static/js/motions/linenumbering.js

@@ -24,6 +24,7 @@ angular.module('OpenSlidesApp.motions.lineNumbering', [])
         this._currentInlineOffset = null;
         this._currentLineNumber = null;
         this._prependLineNumberToFirstText = false;
+        this._ignoreNextRegularLineNumber = false;
 
         var lineNumberCache = $cacheFactory('linenumbering.service');
 
@@ -76,6 +77,10 @@ angular.module('OpenSlidesApp.motions.lineNumbering', [])
         };
 
         this._createLineNumber = function () {
+            if (this._ignoreNextRegularLineNumber) {
+                this._ignoreNextRegularLineNumber = false;
+                return;
+            }
             var node = document.createElement('span');
             var lineNumber = this._currentLineNumber;
             this._currentLineNumber++;
@@ -142,7 +147,11 @@ angular.module('OpenSlidesApp.motions.lineNumbering', [])
                     out.push(service._createLineNumber());
                     this._currentInlineOffset = 0;
                 } else if (this._prependLineNumberToFirstText) {
-                    out.push(service._createLineNumber());
+                    if (this._ignoreNextRegularLineNumber) {
+                        this._ignoreNextRegularLineNumber = false;
+                    } else {
+                        out.push(service._createLineNumber());
+                    }
                 }
                 this._prependLineNumberToFirstText = false;
 
@@ -342,6 +351,10 @@ angular.module('OpenSlidesApp.motions.lineNumbering', [])
                 throw 'This method may only be called for ELEMENT-nodes: ' + node.nodeValue;
             }
             if (this._isIgnoredByLineNumbering(node)) {
+                if (this._currentInlineOffset === 0) {
+                    node.insertBefore(this._createLineNumber(), node.firstChild);
+                    this._ignoreNextRegularLineNumber = true;
+                }
                 return node;
             } else if (this._isInlineElement(node)) {
                 return this._insertLineNumbersToInlineNode(node, length, highlight);
@@ -352,7 +365,6 @@ angular.module('OpenSlidesApp.motions.lineNumbering', [])
         };
 
         this._stripLineNumbers = function (node) {
-
             for (var i = 0; i < node.childNodes.length; i++) {
                 if (this._isOsLineBreakNode(node.childNodes[i]) || this._isOsLineNumberNode(node.childNodes[i])) {
                     node.removeChild(node.childNodes[i]);
@@ -391,6 +403,7 @@ angular.module('OpenSlidesApp.motions.lineNumbering', [])
                 this._currentLineNumber = 1;
             }
             this._prependLineNumberToFirstText = true;
+            this._ignoreNextRegularLineNumber = false;
 
             return this._insertLineNumbersToNode(root, lineLength, highlight);
         };

tests/karma/motions/diff.service.test.js

@@ -363,5 +363,12 @@ describe('linenumbering', function () {
 
       expect(diff).toBe("<p>liebliche Stimme, aber deine Stimme ist rauh; du bist der <del>Wolf.' </del><ins>Wolf.'</ins></p><p><ins>Der Wolf hatte danach richtig schlechte laune, trank eine Flasche Rum,</ins></p><p><ins>machte eine Weltreise und kam danach wieder um die Ziegen zu fressen. </ins>Da gi<del>e</del>ng der</p>");
     });
+
+    it('handles completely deleted paragraphs', function () {
+        var before = "<P>Ihr könnt ohne Sorge fortgehen.'Da meckerte die Alte und machte sich getrost auf den Weg.</P>",
+            after = "";
+        var diff = diffService.diff(before, after);
+        expect(diff).toBe("<p><del>Ihr könnt ohne Sorge fortgehen.'Da meckerte die Alte und machte sich getrost auf den Weg.</del></p>");
+    });
   });
 });

tests/karma/motions/linenumbering.service.test.js

@@ -250,6 +250,13 @@ describe('linenumbering', function () {
       expect(outHtml).toBe('<p>' + noMarkup(1) + 'et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata ' + brMarkup(2) + 'sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur<ins>dsfsdf23</ins></p>');
       expect(lineNumberingService.stripLineNumbers(outHtml)).toBe(inHtml);
     });
+
+    it('inserts the line number before the INS, if INS is the first element of the paragraph', function() {
+        var inHtml = "<p><ins>lauthals </ins>'liebe Kinder, ich will hinaus in den Wald, seid auf der Hut vor dem Wolf!' Und noch etwas mehr Text bis zur nächsten Zeile</p>";
+        var outHtml = lineNumberingService.insertLineNumbers(inHtml, 80);
+        expect(outHtml).toBe("<p>" + noMarkup(1) + "<ins>lauthals </ins>'liebe Kinder, ich will hinaus in den Wald, seid auf der Hut vor dem Wolf!' Und " + brMarkup(2) + "noch etwas mehr Text bis zur nächsten Zeile</p>");
+        expect(lineNumberingService.stripLineNumbers(outHtml)).toBe(inHtml);
+    });
   });
 
   describe('behavior regarding ckeditor', function() {