add stackoverflow-plugin-gradle project

intelliJ/stackoverflow-plugin-gradle/build.gradle

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+plugins {
+    id 'java'
+    id 'org.jetbrains.intellij' version '0.4.21'
+}
+
+group 'com.baeldung'
+version '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+}
+
+// See https://github.com/JetBrains/gradle-intellij-plugin/
+intellij {
+    version '2020.1.1'
+}
+patchPluginXml {
+    changeNotes """
+      Add change notes here.<br>
+      <em>most HTML tags may be used</em>"""
+}

intelliJ/stackoverflow-plugin-gradle/settings.gradle

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+rootProject.name = 'stackoverflow-plugin-gradle'
+include 'java'
+

intelliJ/stackoverflow-plugin-gradle/src/main/java/com/baeldung/intellij/stackoverflowplugin/AskQuestionAction.java

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+package com.baeldung.intellij.stackoverflowplugin;
+
+import com.intellij.ide.BrowserUtil;
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+
+public class AskQuestionAction extends AnAction {
+    @Override
+    public void actionPerformed(AnActionEvent e) {
+        BrowserUtil.browse("https://stackoverflow.com/questions/ask");
+    }
+}

intelliJ/stackoverflow-plugin-gradle/src/main/java/com/baeldung/intellij/stackoverflowplugin/SearchAction.java

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+package com.baeldung.intellij.stackoverflowplugin;
+
+import com.intellij.ide.BrowserUtil;
+import com.intellij.lang.Language;
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.CommonDataKeys;
+import com.intellij.openapi.actionSystem.LangDataKeys;
+import com.intellij.openapi.editor.CaretModel;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.psi.PsiFile;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Optional;
+
+public class SearchAction extends AnAction {
+
+    @Override
+    public void actionPerformed(@NotNull AnActionEvent e) {
+        Optional<PsiFile> psiFile = Optional.ofNullable(e.getData(LangDataKeys.PSI_FILE));
+        String languageTag = psiFile
+                .map(PsiFile::getLanguage)
+                .map(Language::getDisplayName)
+                .map(String::toLowerCase)
+                .map(lang -> "[" + lang + "]")
+                .orElse("");
+
+        Editor editor = e.getRequiredData(CommonDataKeys.EDITOR);
+        CaretModel caretModel = editor.getCaretModel();
+        String selectedText = caretModel.getCurrentCaret().getSelectedText();
+
+        BrowserUtil.browse("https://stackoverflow.com/search?q=" + languageTag + selectedText);
+    }
+
+    @Override
+    public void update(AnActionEvent e) {
+        Editor editor = e.getRequiredData(CommonDataKeys.EDITOR);
+        CaretModel caretModel = editor.getCaretModel();
+        e.getPresentation().setEnabledAndVisible(caretModel.getCurrentCaret().hasSelection());
+    }
+}

intelliJ/stackoverflow-plugin-gradle/src/main/resources/META-INF/plugin.xml

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+<idea-plugin>
+    <id>com.baeldung.stackoverflow-plugin-gradle</id>
+    <name>StackOverflow</name>
+    <vendor email="waldemar.penner91@gmail.com" url="https://baeldung.com">Baeldung</vendor>
+
+    <description><![CDATA[
+    Ask Question or search on Stack Overflow
+    ]]></description>
+
+    <!-- please see https://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/plugin_compatibility.html
+         on how to target different products -->
+    <depends>com.intellij.modules.platform</depends>
+
+    <extensions defaultExtensionNs="com.intellij">
+        <!-- Add your extensions here -->
+    </extensions>
+
+    <actions>
+        <action
+                id="StackOverflow.AskQuestion.ToolsMenu"
+                class="com.baeldung.intellij.stackoverflowplugin.AskQuestionAction"
+                text="Ask Question on Stack Overflow"
+                description="Ask a Question on Stack Overflow">
+            <add-to-group group-id="ToolsMenu" anchor="last"/>
+        </action>
+        <action
+                id="StackOverflow.Search.Editor"
+                class="com.baeldung.intellij.stackoverflowplugin.SearchAction"
+                text="Search on Stack Overflow"
+                description="Search on Stack Overflow">
+            <add-to-group group-id="EditorPopupMenu" anchor="last"/>
+        </action>
+        <action
+                id="StackOverflow.Search.Console"
+                class="com.baeldung.intellij.stackoverflowplugin.SearchAction"
+                text="Search on Stack Overflow"
+                description="Search on Stack Overflow">
+            <add-to-group group-id="ConsoleEditorPopupMenu" anchor="last"/>
+        </action>
+    </actions>
+</idea-plugin>