871: Enhanced error outputting for new Magento 2 GraphQl Resolver generation

Author: bohdan-harniuk

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewGraphQlResolverDialog.form

@@ -7,12 +7,12 @@
     </constraints>
     <properties>
       <opaque value="true"/>
-      <preferredSize width="420" height="120"/>
+      <preferredSize width="420" height="150"/>
       <requestFocusEnabled value="true"/>
     </properties>
     <border type="none"/>
     <children>
-      <grid id="90a70" layout-manager="GridLayoutManager" row-count="2" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+      <grid id="90a70" layout-manager="GridLayoutManager" row-count="4" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
         <margin top="0" left="0" bottom="0" right="0"/>
         <constraints>
           <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
@@ -44,7 +44,7 @@
           </component>
           <component id="29a9d" class="javax.swing.JTextField" binding="graphQlResolverParentDir">
             <constraints>
-              <grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+              <grid row="2" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
                 <preferred-size width="150" height="-1"/>
               </grid>
             </constraints>
@@ -55,7 +55,7 @@
           </component>
           <component id="b5004" class="javax.swing.JLabel">
             <constraints>
-              <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+              <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
             </constraints>
             <properties>
               <labelFor value="fdc52"/>
@@ -65,6 +65,22 @@
               <html.disable class="java.lang.Boolean" value="true"/>
             </clientProperties>
           </component>
+          <component id="36a05" class="javax.swing.JLabel" binding="graphQlResolverClassNameErrorMessage">
+            <constraints>
+              <grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value=""/>
+            </properties>
+          </component>
+          <component id="c71a9" class="javax.swing.JLabel" binding="graphQlResolverParentDirErrorMessage">
+            <constraints>
+              <grid row="3" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value=""/>
+            </properties>
+          </component>
         </children>
       </grid>
       <grid id="b0154" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewGraphQlResolverDialog.java

@@ -7,7 +7,6 @@
 
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiDirectory;
-import com.intellij.psi.PsiFile;
 import com.magento.idea.magento2plugin.actions.generation.NewGraphQlResolverAction;
 import com.magento.idea.magento2plugin.actions.generation.data.GraphQlResolverFileData;
 import com.magento.idea.magento2plugin.actions.generation.dialog.validator.annotation.FieldValidation;
@@ -26,6 +25,7 @@
 import java.awt.event.WindowEvent;
 import javax.swing.JButton;
 import javax.swing.JComponent;
+import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JTextField;
 import javax.swing.KeyStroke;
@@ -54,6 +54,9 @@ public class NewGraphQlResolverDialog extends AbstractDialog {
             message = {PhpDirectoryRule.MESSAGE, PARENT_DIRECTORY})
     private JTextField graphQlResolverParentDir;
 
+    private JLabel graphQlResolverClassNameErrorMessage;//NOPMD
+    private JLabel graphQlResolverParentDirErrorMessage;//NOPMD
+
     /**
      * Constructor.
      *