fix possible npe in ParameterLookupElement #351

Author: Haehnchen

src/fr/adrienbrault/idea/symfony2plugin/config/component/ParameterLookupElement.java

@@ -14,8 +14,6 @@
  */
 public class ParameterLookupElement extends LookupElement {
 
- private String parameterKey;
- private String parameterValue;
  private Object psiElement;
  private InsertHandler<LookupElement> insertHandler = null;
  private ContainerParameter containerParameter;
@@ -27,6 +25,7 @@ public ParameterLookupElement(ContainerParameter containerParameter) {
  public ParameterLookupElement(ContainerParameter containerParameter, InsertHandler<LookupElement> insertHandler, Object psiElement) {
  this.insertHandler = insertHandler;
  this.psiElement = psiElement;
+ this.containerParameter = containerParameter;
  }
 
  @NotNull
@@ -44,14 +43,15 @@ public void handleInsert(InsertionContext context) {
  @NotNull
  @Override
  public String getLookupString() {
- return parameterKey;
+ return containerParameter.getName();
  }
 
  public void renderElement(LookupElementPresentation presentation) {
  presentation.setItemText(getLookupString());
 
- if(parameterValue != null && !StringUtils.isBlank(parameterValue)) {
- presentation.setTypeText(parameterValue);
+ String value = containerParameter.getValue();
+ if(value != null && StringUtils.isNotBlank(value)) {
+ presentation.setTypeText(value);
  }
 
  presentation.setTypeGrayed(true);