Fix #165.

TextMate grammer cannot move across multiple lines. Use the suggestion
workaround mentioned in this issue:
microsoft/vscode-textmate#41

src/test/assets/qml/new-line-js-block.qml

@@ -0,0 +1,51 @@
+UserButton {
+    id: plotButton
+    x: typeColumnLayout.x + 20
+    y: typeColumnLayout.y + typeColumnLayout.height + 20
+    font.pixelSize: topItem.pixelSize + 1
+    Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
+    text: checked? qsTr("停止") : qsTr("绘图")
+    property bool waiting: false
+    onClicked       :        
+        {    
+        if(!waiting)
+        {
+            waiting = true
+            if(checked)
+            {
+
+                for(let [key, value] of ObjCreation.objs)
+                {
+                    log.write(Verbose.Debug, `Charts Object: ${key}`)
+                }
+            }
+            else
+            {
+                log.write(Verbose.Debug, "try close plot thread.")
+                checked = true
+                plot.stop()
+            }
+        }
+    }
+
+    onCreated       :            {   
+        if(!waiting)
+        {
+            waiting = true
+            if(checked)
+            {
+
+                for(let [key, value] of ObjCreation.objs)
+                {
+                    log.write(Verbose.Debug, `Charts Object: ${key}`)
+                }
+            }
+            else
+            {
+                log.write(Verbose.Debug, "try close plot thread.")
+                checked = true
+                plot.stop()
+            }
+        }
+    }
+}

syntaxes/qml.tmLanguage.json

@@ -241,12 +241,18 @@
         },
         {
           "description": "A block of JavaScript code as value.",
-          "begin": "(?<=\\w)\\s*\\:\\s*\\{",
-          "end": "\\}",
-          "contentName": "meta.embedded.block.js",
+          "begin": "(?<=\\w)\\s*\\:(?=\\s*\\{?\\s*$)",
+          "end": "(?<=\\})",
           "patterns": [
             {
-              "include": "source.js"
+              "begin": "\\{",
+              "end": "\\}",
+              "contentName": "meta.embedded.block.js",
+              "patterns": [
+                {
+                  "include": "source.js"
+                }
+              ]
             }
           ]
         },