remove dead code, make label more flexible

public/app/core/components/sql_part/sql_part.ts

@@ -42,7 +42,8 @@ export class SqlPart {
   part: any;
   def: SqlPartDef;
   params: any[];
-  text: string;
+  label: string;
+  name: string;
 
   constructor(part: any, def: any) {
     this.part = part;
@@ -51,38 +52,21 @@ export class SqlPart {
       throw { message: 'Could not find sql part ' + part.type };
     }
 
+    if (part.name) {
+      this.name = part.name;
+      this.label = def.label + ' ' + part.name;
+    } else {
+      this.name = '';
+      this.label = def.label;
+    }
+
     part.params = part.params || _.clone(this.def.defaultParams);
     this.params = part.params;
-    this.updateText();
   }
 
   render(innerExpr: string) {
     return this.def.renderer(this, innerExpr);
   }
-
-  updateParam(strValue, index) {
-    if (strValue === '' && this.def.params[index].optional) {
-      // XXX check if this is still required
-      this.params.splice(index, 1);
-    } else {
-      this.params[index] = strValue;
-    }
-
-    this.part.params = this.params;
-    this.updateText();
-  }
-
-  updateText() {
-    if (this.params.length === 0) {
-      this.text = this.def.type + '()';
-      return;
-    }
-
-    var text = this.def.type + '(';
-    text += this.params.join(', ');
-    text += ')';
-    this.text = text;
-  }
 }
 
 export function functionRenderer(part, innerExpr) {

public/app/core/components/sql_part/sql_part_editor.ts

@@ -4,7 +4,7 @@ import coreModule from 'app/core/core_module';
 
 var template = `
 <div class="dropdown cascade-open">
-<a ng-click="showActionsMenu()" class="query-part-name pointer dropdown-toggle" data-toggle="dropdown">{{part.def.label}}</a>
+<a ng-click="showActionsMenu()" class="query-part-name pointer dropdown-toggle" data-toggle="dropdown">{{part.label}}</a>
 <span>{{part.def.wrapOpen}}</span><span class="query-part-parameters"></span><span>{{part.def.wrapClose}}</span>
 <ul class="dropdown-menu">
   <li ng-repeat="action in partActions">