Add annotated scrollbar to generic dsl editor

dist/spring-flo.js

@@ -28749,6 +28749,107 @@ define('directives/graph-editor',['controllers/graph-editor'],function () {
         
     }];
 });
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define('codemirror/addon/scroll/annotatescrollbar',["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  
+
+  CodeMirror.defineExtension("annotateScrollbar", function(options) {
+    if (typeof options == "string") options = {className: options};
+    return new Annotation(this, options);
+  });
+
+  CodeMirror.defineOption("scrollButtonHeight", 0);
+
+  function Annotation(cm, options) {
+    this.cm = cm;
+    this.options = options;
+    this.buttonHeight = options.scrollButtonHeight || cm.getOption("scrollButtonHeight");
+    this.annotations = [];
+    this.doRedraw = this.doUpdate = null;
+    this.div = cm.getWrapperElement().appendChild(document.createElement("div"));
+    this.div.style.cssText = "position: absolute; right: 0; top: 0; z-index: 7; pointer-events: none";
+    this.computeScale();
+
+    function scheduleRedraw(delay) {
+      clearTimeout(self.doRedraw);
+      self.doRedraw = setTimeout(function() { self.redraw(); }, delay);
+    }
+
+    var self = this;
+    cm.on("refresh", this.resizeHandler = function() {
+      clearTimeout(self.doUpdate);
+      self.doUpdate = setTimeout(function() {
+        if (self.computeScale()) scheduleRedraw(20);
+      }, 100);
+    });
+    cm.on("markerAdded", this.resizeHandler);
+    cm.on("markerCleared", this.resizeHandler);
+    if (options.listenForChanges !== false)
+      cm.on("change", this.changeHandler = function() {
+        scheduleRedraw(250);
+      });
+  }
+
+  Annotation.prototype.computeScale = function() {
+    var cm = this.cm;
+    var hScale = (cm.getWrapperElement().clientHeight - cm.display.barHeight - this.buttonHeight * 2) /
+      cm.heightAtLine(cm.lastLine() + 1, "local");
+    if (hScale != this.hScale) {
+      this.hScale = hScale;
+      return true;
+    }
+  };
+
+  Annotation.prototype.update = function(annotations) {
+    this.annotations = annotations;
+    this.redraw();
+  };
+
+  Annotation.prototype.redraw = function(compute) {
+    if (compute !== false) this.computeScale();
+    var cm = this.cm, hScale = this.hScale;
+
+    var frag = document.createDocumentFragment(), anns = this.annotations;
+    if (cm.display.barWidth) for (var i = 0, nextTop; i < anns.length; i++) {
+      var ann = anns[i];
+      var top = nextTop || cm.charCoords(ann.from, "local").top * hScale;
+      var bottom = cm.charCoords(ann.to, "local").bottom * hScale;
+      while (i < anns.length - 1) {
+        nextTop = cm.charCoords(anns[i + 1].from, "local").top * hScale;
+        if (nextTop > bottom + .9) break;
+        ann = anns[++i];
+        bottom = cm.charCoords(ann.to, "local").bottom * hScale;
+      }
+      if (bottom == top) continue;
+      var height = Math.max(bottom - top, 3);
+
+      var elt = frag.appendChild(document.createElement("div"));
+      elt.style.cssText = "position: absolute; right: 0px; width: " + Math.max(cm.display.barWidth - 1, 2) + "px; top: "
+        + (top + this.buttonHeight) + "px; height: " + height + "px";
+      elt.className = this.options.className;
+    }
+    this.div.textContent = "";
+    this.div.appendChild(frag);
+  };
+
+  Annotation.prototype.clear = function() {
+    this.cm.off("refresh", this.resizeHandler);
+    this.cm.off("markerAdded", this.resizeHandler);
+    this.cm.off("markerCleared", this.resizeHandler);
+    if (this.changeHandler) this.cm.off("change", this.changeHandler);
+    this.div.parentNode.removeChild(this.div);
+  };
+});
+
 /*
  * Copyright 2016 the original author or authors.
  *
@@ -28764,7 +28865,7 @@ define('directives/graph-editor',['controllers/graph-editor'],function () {
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-define('directives/generic-dsl-editor',['underscore','codemirror','codemirror/addon/lint/lint','codemirror/addon/hint/show-hint','codemirror/addon/display/placeholder'],function () {
+define('directives/generic-dsl-editor',['underscore','codemirror','codemirror/addon/lint/lint','codemirror/addon/hint/show-hint','codemirror/addon/display/placeholder','codemirror/addon/scroll/annotatescrollbar'],function () {
     
 
     var _ = require('underscore');
@@ -28780,6 +28881,7 @@ define('directives/generic-dsl-editor',['underscore','codemirror','codemirror/ad
         require('codemirror/addon/lint/lint');
         require('codemirror/addon/hint/show-hint');
         require('codemirror/addon/display/placeholder');
+        require('codemirror/addon/scroll/annotatescrollbar');
 
         return {
             restrict: 'A',

src/directives/generic-dsl-editor.js

@@ -29,6 +29,7 @@ define(function () {
         require('codemirror/addon/lint/lint');
         require('codemirror/addon/hint/show-hint');
         require('codemirror/addon/display/placeholder');
+        require('codemirror/addon/scroll/annotatescrollbar');
 
         return {
             restrict: 'A',