Merge branch 'master' of http://gitlab.oytour.com/luochao/superman

src/components/newTravelmanager/TravelGroupControl/TravelTemp/VEditDiv.vue

@@ -21,6 +21,7 @@
     },
     methods: {
       changeText: function () {
+        var that = this;
         let sel = window.getSelection();
         let offset = sel.anchorOffset;
         if (this.textLength && this.$el.innerText.length > this.textLength) {
@@ -32,16 +33,50 @@
             var range = sel.getRangeAt(0);
             var textNode = range.startContainer;
             var textNodeName = textNode.nodeName;
-            console.log("textNode", textNode.nodeName);
             if (textNodeName == "#text") {
               range.setStart(textNode, offset);
               sel.removeAllRanges();
               sel.addRange(range);
+            } else {
+              that.setCaretPosition(that.$el, offset);
             }
           } catch (err) {
             console.log(err);
           }
         }, 0);
+      },
+      //重置div光标位置
+      setCaretPosition(element, offset) {
+        var range = document.createRange();
+        var sel = window.getSelection();
+        //select appropriate node
+        var currentNode = null;
+        var previousNode = null;
+        for (var i = 0; i < element.childNodes.length; i++) {
+          //save previous node
+          previousNode = currentNode;
+          //get current node
+          currentNode = element.childNodes[i];
+          //if we get span or something else then we should get child node
+          while (currentNode.childNodes.length > 0) {
+            currentNode = currentNode.childNodes[0];
+          }
+          //calc offset in current node
+          if (previousNode != null) {
+            offset -= previousNode.length;
+          }
+          //check whether current node has enough length
+          if (offset <= currentNode.length) {
+            break;
+          }
+        }
+        //move caret to specified offset
+        if (currentNode != null) {
+          range.setStart(currentNode, offset);
+          range.collapse(true);
+          sel.removeAllRanges();
+          sel.addRange(range);
+        }
       }
     }
   };