Add Anotation import class code block

Author: seal

src/wu/seal/jsontokotlin/ConfigSettingDialog.kt

@@ -45,7 +45,7 @@ class ConfigSettingDialog(canBeParent: Boolean) : DialogWrapper(canBeParent), IC
 
         tabbedPane.add("Target Json Lib", targetJsonLibConfigPanel)
 
-        tabbedPane.minimumSize = JBDimension(300, 180)
+        tabbedPane.minimumSize = JBDimension(500, 300)
 
         return tabbedPane
     }

src/wu/seal/jsontokotlin/ImportClassWriter.kt

@@ -0,0 +1,73 @@
+package wu.seal.jsontokotlin
+
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.command.CommandProcessor
+import com.intellij.openapi.editor.Document
+import com.intellij.openapi.project.Project
+
+/**
+ * to be Import class declare code insert helper
+ * Created by Seal.Wu on 2017/9/18.
+ */
+
+
+interface IImportClassWriter {
+
+    fun insertGsonImportClass(project: Project, editFile: Document)
+
+
+    fun insertJackSonImportClass(project: Project, editFile: Document)
+
+
+    fun insertFastJsonImportClass(project: Project, editFile: Document)
+
+
+    fun insertImportClassCode(project: Project, editFile: Document)
+
+
+}
+
+
+object ImportClassWriter : IImportClassWriter {
+    override fun insertImportClassCode(project: Project, editFile: Document) {
+
+        when (ConfigManager.targetJsonConverterLib) {
+
+            TargetJsonConverter.Gson -> insertGsonImportClass(project, editFile)
+            TargetJsonConverter.FastJson -> insertFastJsonImportClass(project, editFile)
+            TargetJsonConverter.Jackson -> insertFastJsonImportClass(project, editFile)
+
+            else -> {
+                println("No need to import any Class code")
+            }
+        }
+    }
+
+
+    override fun insertFastJsonImportClass(project: Project, editFile: Document) {
+    }
+
+    override fun insertJackSonImportClass(project: Project, editFile: Document) {
+    }
+
+    override fun insertGsonImportClass(project: Project, editFile: Document) {
+        val text = editFile.text
+        if (GsonSupportor.gsonAnotationImportString !in text) {
+
+            val index = Math.max(text.lastIndexOf("import"), 0)
+            val tobeInsertEndline = editFile.getLineNumber(index)
+            val insertIndex = if (index == 0) index else editFile.getLineEndOffset(tobeInsertEndline)
+
+            CommandProcessor.getInstance().executeCommand(project, {
+                ApplicationManager.getApplication().runWriteAction {
+                    editFile.insertString(insertIndex, "\n" + GsonSupportor.gsonAnotationImportString + "\n")
+
+                }
+            }, "insertKotlin", "JsonToKotlin")
+
+        }
+    }
+
+}
+
+

src/wu/seal/jsontokotlin/MakeKotlinClassAction.java

@@ -120,9 +120,10 @@ protected JComponent createScrollableTextComponent() {
         if (jsonString == null || jsonString.isEmpty()) {
             return;
         }
-        final KotlinMaker maker = new KotlinMaker(className, jsonString);
-
         final Document document = editor.getDocument();
+        ImportClassWriter.INSTANCE.insertImportClassCode(project, document);
+
+        final KotlinMaker maker = new KotlinMaker(className, jsonString);
         final VirtualFile virtualFile = FileDocumentManager.getInstance().getFile(document);
 
         CommandProcessor.getInstance().executeCommand(project, new Runnable() {
@@ -137,6 +138,9 @@ public void run() {
                         if (caret != null) {
 
                             offset = caret.getOffset();
+                            if (offset == 0) {
+                                offset = document.getTextLength() - 1;
+                            }
                         } else {
                             offset = document.getTextLength() - 1;
                         }
@@ -145,7 +149,7 @@ public void run() {
                     }
                 });
             }
-        }, "insertKotlin", null);
+        }, "insertKotlin", "JsonToKotlin");
         Messages.showMessageDialog(project, "Kotlin Code insert successfully!", "Information", Messages.getInformationIcon());
     }
 }