Initial commit

Author: adrienbaron

.gitignore

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+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+build
+.gradle
+.idea
+*.iml
+
+# IntelliJ
+out/

build.gradle

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+buildscript {
+    repositories {
+        maven {
+            url "https://plugins.gradle.org/m2/"
+        }
+        maven {
+            url 'http://dl.bintray.com/jetbrains/intellij-plugin-service'
+        }
+        mavenCentral()
+    }
+    dependencies {
+        classpath "gradle.plugin.org.jetbrains:gradle-intellij-plugin:0.1.10"
+    }
+}
+
+apply plugin: 'org.jetbrains.intellij'
+
+version = "IU-173.3942.27"
+intellij {
+    version 'IU-173.3942.27'
+    pluginName 'vue-gwt-plugin'
+    downloadSources false
+    updateSinceUntilBuild false
+}
+
+group 'com.axellience'
+version '0.0.1'
+
+repositories {
+    mavenCentral()
+}

src/main/java/com/axellience/vuegwtplugin/VueCustomInjector.java

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+package com.axellience.vuegwtplugin;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.jetbrains.annotations.NotNull;
+
+import com.intellij.lang.injection.MultiHostInjector;
+import com.intellij.lang.injection.MultiHostRegistrar;
+import com.intellij.lang.java.JavaLanguage;
+import com.intellij.openapi.editor.impl.TextRangeInterval;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiFile;
+import com.intellij.psi.PsiLanguageInjectionHost;
+import com.intellij.psi.impl.source.PsiJavaFileImpl;
+import com.intellij.psi.xml.XmlAttribute;
+import com.intellij.psi.xml.XmlAttributeValue;
+
+public class VueCustomInjector implements MultiHostInjector
+{
+    @Override
+    public void getLanguagesToInject(@NotNull MultiHostRegistrar registrar,
+        @NotNull PsiElement host)
+    {
+        if (!(host.getParent() instanceof XmlAttribute))
+            return;
+
+        XmlAttribute attribute = (XmlAttribute) host.getParent();
+        String attr = attribute.getName();
+        if (attr.startsWith(":") || attr.startsWith("@") || attr.startsWith("v-"))
+        {
+            registrar.startInjecting(JavaLanguage.INSTANCE);
+
+            PsiFile templateFile = host.getContainingFile();
+            String componentName = templateFile
+                .getName()
+                .substring(0, templateFile.getName().length() - ".html".length());
+
+            String javaClassFileName = componentName + ".java";
+
+            if (templateFile.getContainingDirectory() == null)
+                return;
+
+            PsiJavaFileImpl componentFile = null;
+            for (PsiFile psiFile : templateFile.getContainingDirectory().getFiles())
+            {
+                if (psiFile.getName().equals(javaClassFileName))
+                {
+                    componentFile = (PsiJavaFileImpl) psiFile;
+                    break;
+                }
+            }
+
+            if (componentFile == null)
+                return;
+
+            String templateExpressionMethod;
+            if (attr.startsWith("@"))
+                templateExpressionMethod = "public void templateExpression() {\n\t\t";
+            else
+                templateExpressionMethod = "public Object templateExpression() {\n\t\treturn ";
+
+            String expressionStart = "package "
+                + componentFile.getPackageName()
+                + ";\n"
+                + "class "
+                + componentName
+                + "TemplateImpl extends "
+                + componentName
+                + "JsType {\n"
+                + templateExpressionMethod;
+
+            String expressionEnd = ";\n\t}\n}";
+
+            registrar.addPlace(expressionStart,
+                expressionEnd,
+                (PsiLanguageInjectionHost) host,
+                new TextRangeInterval(1, host.getTextLength() - 1));
+            registrar.doneInjecting();
+        }
+    }
+
+    @NotNull
+    @Override
+    public List<? extends Class<? extends PsiElement>> elementsToInjectIn()
+    {
+        return Collections.singletonList(XmlAttributeValue.class);
+    }
+}

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

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+<idea-plugin>
+	<id>com.axellience.vuegwt</id>
+	<name>VueGWT</name>
+	<version>0.0.1</version>
+	<vendor email="support@axellience.com" url="http://www.genmymodel.com">Axellience</vendor>
+
+	<description><![CDATA[
+		Add syntax highlighting and code completion in Vue GWT templates.
+    ]]></description>
+
+	<change-notes><![CDATA[
+    ]]>
+	</change-notes>
+
+	<!-- please see http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/build_number_ranges.html for description -->
+	<idea-version since-build="173.0"/>
+
+	<!-- please see http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/plugin_compatibility.html
+		 on how to target different products -->
+	<!-- uncomment to enable plugin in all products
+	<depends>com.intellij.modules.lang</depends>
+	-->
+
+	<extensions defaultExtensionNs="com.intellij">
+		<multiHostInjector implementation="com.axellience.vuegwtplugin.VueCustomInjector"/>
+	</extensions>
+
+	<actions>
+	</actions>
+
+</idea-plugin>