解决编辑模板无发撤销问题，添加变量名提示功能。

build.gradle

@@ -42,7 +42,7 @@ intellij {
     version '2018.1.5'
     type 'IU'
     // 依赖的插件
-    plugins = ['DatabaseTools']
+    plugins = ['DatabaseTools', 'Velocity']
     //Disables updating since-build attribute in plugin.xml
     updateSinceUntilBuild false
 }

src/main/java/com/sjhy/plugin/provider/EasyCodeGlobalVariableProvider.java

@@ -0,0 +1,44 @@
+package com.sjhy.plugin.provider;
+
+import com.intellij.psi.CommonClassNames;
+import com.intellij.velocity.VtlGlobalVariableProvider;
+import com.intellij.velocity.psi.VtlLightVariable;
+import com.intellij.velocity.psi.VtlVariable;
+import com.intellij.velocity.psi.files.VtlFile;
+import com.sjhy.plugin.ui.base.TemplateEditor;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.*;
+
+/**
+ * EasyCode 专用Velocity全局变量
+ *
+ * @author makejava
+ * @version 1.0.0
+ * @since 2018/8/14 11:07
+ */
+public class EasyCodeGlobalVariableProvider extends VtlGlobalVariableProvider {
+
+    @NotNull
+    @Override
+    public Collection<VtlVariable> getGlobalVariables(@NotNull VtlFile file) {
+        // 非EasyCode模板，不提供支持。
+        if (!Objects.equals(file.getName(), TemplateEditor.EASY_CODE_TEMPLATE)) {
+            //noinspection unchecked
+            return Collections.EMPTY_LIST;
+        }
+        final List<VtlVariable> result = new ArrayList<>();
+        result.add(new VtlLightVariable("author", file, CommonClassNames.JAVA_LANG_STRING));
+        result.add(new VtlLightVariable("encode", file, CommonClassNames.JAVA_LANG_STRING));
+        result.add(new VtlLightVariable("packageName", file, CommonClassNames.JAVA_LANG_STRING));
+        result.add(new VtlLightVariable("modulePath", file, CommonClassNames.JAVA_LANG_STRING));
+        result.add(new VtlLightVariable("importList", file, "java.util.Set<java.lang.String>"));
+        result.add(new VtlLightVariable("callback", file, "com.sjhy.plugin.entity.Callback"));
+        result.add(new VtlLightVariable("tool", file, "com.sjhy.plugin.tool.NameUtils"));
+        result.add(new VtlLightVariable("time", file, "com.sjhy.plugin.tool.TimeUtils"));
+        result.add(new VtlLightVariable("tableInfo", file, "com.sjhy.plugin.entity.TableInfo"));
+        result.add(new VtlLightVariable("tableInfoList", file, "java.util.List<com.sjhy.plugin.entity.TableInfo>"));
+        return result;
+    }
+
+}

src/main/java/com/sjhy/plugin/ui/base/TemplateEditor.java

@@ -1,7 +1,7 @@
 package com.sjhy.plugin.ui.base;
 
 import com.intellij.ide.IdeBundle;
-import com.intellij.ide.highlighter.JavaFileType;
+import com.intellij.ide.fileTemplates.FileTemplateManager;
 import com.intellij.openapi.command.WriteCommandAction;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.editor.Editor;
@@ -40,6 +40,10 @@ import java.util.Objects;
  */
 @Getter
 public class TemplateEditor {
+    /**
+     * EASY CODE 模板
+     */
+    public static final String EASY_CODE_TEMPLATE = "EasyCodeTemplate.vm.ft";
     /**
      * 项目对象
      */
@@ -104,7 +108,9 @@ public class TemplateEditor {
             editorFactory.releaseEditor(editor);
         }
         PsiFileFactory psiFileFactory = PsiFileFactory.getInstance(project);
-        PsiFile psiFile = psiFileFactory.createFileFromText(name, fileType, content, 0, true);
+        PsiFile psiFile = psiFileFactory.createFileFromText(EASY_CODE_TEMPLATE, fileType, content, 0, true);
+        // 标识为模板，让velocity跳过语法校验
+        psiFile.getViewProvider().putUserData(FileTemplateManager.DEFAULT_TEMPLATE_PROPERTIES, FileTemplateManager.getInstance(project).getDefaultProperties());
         // 创建文档对象
         Document document = PsiDocumentManager.getInstance(project).getDocument(psiFile);
         assert document != null;

src/main/resources/META-INF/plugin.xml

@@ -96,8 +96,10 @@
     <!-- uncomment to enable plugin in all products
     <depends>com.intellij.modules.lang</depends>
     -->
-    <!--必须存在database插件-->
+    <!--必须依赖Database Tool插件-->
     <depends>com.intellij.database</depends>
+    <!--必须依赖Velocity插件-->
+    <depends>com.intellij.velocity</depends>
 
     <!--扩展点-->
     <extensions defaultExtensionNs="com.intellij">
@@ -106,6 +108,8 @@
         <applicationService serviceImplementation="com.sjhy.plugin.tool.ConfigInfo"/>
         <!--系统设置面板-->
         <applicationConfigurable dynamic="true" instance="com.sjhy.plugin.ui.MainSetting"/>
+
+        <velocity.globalVariableProvider implementation="com.sjhy.plugin.provider.EasyCodeGlobalVariableProvider"/>
     </extensions>
 
     <actions>