MyToolWindow code

MyToolWindow.kt

package com.rahul.gqlformat

import com.intellij.openapi.project.Project
import com.intellij.openapi.wm.ToolWindow
import com.intellij.openapi.wm.ToolWindowFactory
import com.intellij.ui.content.ContentFactory

class MyToolWindow : ToolWindowFactory {

    override fun createToolWindowContent(project: Project, toolWindow: ToolWindow) {
        val view = GqlView(project)
        val contentFactory = ContentFactory.SERVICE.getInstance()
        val content = contentFactory.createContent(view.panel, "", false)
        toolWindow.contentManager.addContent(content)
    }
}