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package code.snippet

import code.model.Project
import net.liftweb.common._
import net.liftweb.http.S._
import net.liftweb.http.SHtml._
import net.liftweb.http._
import net.liftweb.mapper.{MaxRows, StartAt}
import net.liftweb.util.Helpers._

import scala.xml.{Group, NodeSeq}

class ProjectRender extends PaginatorSnippet[Project] {

  override def count: Long = Project.count()

  def projects(in: NodeSeq): NodeSeq = {


    // get and display each of the projects
    page.flatMap(u => 

      
        {u.projectName.get}
      
      
        {link("/components/project/edit", () => selectedProject(Full(u)), )}{link("/components/project/delete", () => selectedProject(Full(u)), )}
      
    )

  }

  override def page: Seq[Project] = Project.findAll(StartAt(curPage * itemsPerPage), MaxRows(itemsPerPage))

  /**
    * Confirm deleting a user
    */
  def confirmDelete = {
    (for (project <- selectedProject.is) // find the project
      yield {
        def deleteProject() {
          notice("Project " + (project.projectName) + " deleted")
          project.delete_!
          redirectTo("/components/project/index.html")
        }

        // bind the incoming XHTML to a "delete" button.
        // when the delete button is pressed, call the "deleteProject"
        // function (which is a closure and bound the "project" object
        // in the current content)
        ".project" #> (project.projectName.get) &
          ".delete" #> submit("Delete", deleteProject _, "class" -> "btn btn-primary")

        // if the was no ID or the project couldn't be found,
        // display an error and redirect
      }) openOr {
      error("Project not found");
      redirectTo("/components/project/index.html")
    }
  }

  def add(xhtml: Group): NodeSeq =
    selectedProject.is.openOr(new Project).toForm(Empty, saveProject _) ++ 
      
      
        Cancel
      
    

  // called when the form is submitted
  private def saveProject(project: Project) = project.validate match {
    // no validation errors, save the project, and go
    // back to the "list" page
    case Nil => project.save; redirectTo("/components/project/index.html")

    // oops... validation errors
    // display the errors and make sure our selected project is still the same
    case x => error(x); selectedProject(Full(project))
  }

  /**
    * Edit a project
    */


  def edit(xhtml: Group): NodeSeq =
    selectedProject.map(_.
      // get the form data for the project and when the form
      // is submitted, call the passed function.
      // That means, when the project submits the form,
      // the fields that were typed into will be populated into
      // "project" and "saveProject" will be called.  The
      // form fields are bound to the model's fields by this
      // call.
      toForm(Empty, saveProject _) ++ 
      
      
        Cancel
      
    


      // bail out if the ID is not supplied or the project's not found
    ) openOr {
      error("Project not found");
      redirectTo("/components/project/index.html")
    }

  private object selectedProject extends RequestVar[Box[Project]](Empty)

}