[WIP] Ajout d'une interface de merge pour les contenus

Gulpfile.js

@@ -48,6 +48,8 @@ gulp.task('js', () =>
     gulp.src([
         require.resolve('jquery'),
         require.resolve('cookies-eu-banner'),
+        require.resolve('codemirror'),
+        require.resolve('codemirror/addon/merge/merge'),
         // Used by other scripts, must be first
         'assets/js/modal.js',
         'assets/js/tooltips.js',
@@ -56,6 +58,7 @@ gulp.task('js', () =>
         'assets/js/accordeon.js',
         'assets/js/ajax-actions.js',
         'assets/js/autocompletion.js',
+        'assets/js/auto-merge.js',
         'assets/js/close-alert-box.js',
         'assets/js/compare-commits.js',
         'assets/js/dropdown-menu.js',

assets/js/auto-merge.js

@@ -0,0 +1,65 @@
+(function($, undefined) {
+    "use strict";
+
+    $(document).ready(function () {
+
+        /**
+         * Sets up the merge interface (using codemirror) in the $div Object.
+         * Data is generally retrieved from a form field or an aditionnal
+         * div exposing the old data,also generated in the form.
+         * @param {Object} $div - The base object used to set up the interface. Generally created in forms files.
+         * @param {Object} $left - The object from which we will pick the content to put in the left hand side (lhs) of the editor.
+         * @param {Object} $right - The object from which we will pick the content to put in the right hand side (rhs) of the editor.
+         */
+        function mergeUISetUp(selector, $left, $right){
+            var target = document.getElementsByClassName(selector)[0]; // TODO remplacer par ID ou objet
+            if (target) {
+                target.innerHTML = "";
+                 var merge = CodeMirror.MergeView(target, {
+                   value: $left.html(),
+                   orig: $right.html(),
+                   lineNumbers: true,
+                   highlightDifferences: true,
+                   connect: "align",
+                   collapseIdentical: true
+                 });
+                 return merge;
+            }
+        }
+
+        var mergeInterfaceList = {};
+        mergeInterfaceList.introduction = mergeUISetUp("compare-introduction",$("#your_introduction"),$("#id_introduction"));
+        mergeInterfaceList.conclusion = mergeUISetUp("compare-conclusion",$("#your_conclusion"),$("#id_conclusion"));
+        mergeInterfaceList.text = mergeUISetUp("compare-text",$("#your_text"),$("#id_text"));
+
+        $(".CodeMirror-merge-editor").append("Votre Version");
+        $(".CodeMirror-merge-right").append("La version courante");
+
+        /**
+         * Merge content
+         */
+        $(".merge-btn").on("click", function(e){
+            e.stopPropagation();
+            e.preventDefault();
+            var button = $(this);
+
+            Array.from(this.classList).forEach(function(element){
+                if (element.indexOf("need-to-merge-") >= 0) {
+                    var substring = element.substring(14);
+                       var toMerge = mergeInterfaceList[substring].editor().getValue();
+                    $("#id_" + substring).text(toMerge);
+
+                    // Confirmation message
+                    var msg = "<div class='alert-box success alert-merge'>" +
+                                    "<span>Le contenu a bien été validé.</span>" +
+                                    "<a href='#close-alert-box' class='close-alert-box ico-after cross white'>Masquer l'alerte</a>" +
+                               "</div>";
+                    button.before(msg);
+                    setTimeout(function() {
+                        $(".alert-merge").fadeOut("fast");
+                    }, 2000);
+                }
+            });
+        });
+    });
+})(jQuery);

assets/scss/components/_auto-merge.scss

@@ -0,0 +1,3 @@
+#compare-lhs-margin, #compare-rhs-margin {
+    display: none;
+}