io.taig.android.widget.operation.view.scala Maven / Gradle / Ivy

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package io.taig.android.widget.operation

import android.view.View
import io.taig.android.graphic.Direction._
import io.taig.android.graphic.Distance
import io.taig.android.widget.syntax.view._

final class view(view: View) {
  def getPadding =
    Distance(view.getPaddingLeft,
             view.getPaddingTop,
             view.getPaddingRight,
             view.getPaddingBottom)

  /**
    * Apply same padding to all Directions
    */
  def setPadding(padding: Int) =
    view.setPadding(padding, padding, padding, padding)

  /**
    * Apply vertical and horizontal padding
    */
  def setPadding(vertical: Int, horizontal: Int) =
    view.setPadding(horizontal, vertical, horizontal, vertical)

  def setPadding(padding: Distance[Int]) =
    view.setPadding(padding.left, padding.top, padding.right, padding.bottom)

  def setPadding(direction: Direction, padding: Int) = direction match {
    case Left ⇒
      view.setPadding(padding,
                      view.getPaddingTop,
                      view.getPaddingRight,
                      view.getPaddingBottom)
    case Top ⇒
      view.setPadding(view.getPaddingLeft,
                      padding,
                      view.getPaddingRight,
                      view.getPaddingBottom)
    case Right ⇒
      view.setPadding(view.getPaddingLeft,
                      view.getPaddingTop,
                      padding,
                      view.getPaddingBottom)
    case Bottom ⇒
      view.setPadding(view.getPaddingLeft,
                      view.getPaddingTop,
                      view.getPaddingRight,
                      padding)
  }

  def getBottomTo(parent: View): Int = view.getParent match {
    case `parent` ⇒ view.getBottom
    case intermediate: View ⇒ view.getBottom + intermediate.getBottomTo(parent)
    case _ ⇒ sys.error("Can't resolve relative bottom")
  }

  def getLeftTo(parent: View): Int = view.getParent match {
    case `parent` ⇒ view.getLeft
    case intermediate: View ⇒ view.getLeft + intermediate.getLeftTo(parent)
    case _ ⇒ sys.error("Can't resolve relative left")
  }

  def getRightTo(parent: View): Int = view.getParent match {
    case `parent` ⇒ view.getRight
    case intermediate: View ⇒ view.getRight + intermediate.getRightTo(parent)
    case _ ⇒ sys.error("Can't resolve relative right")
  }

  def getTopTo(parent: View): Int = view.getParent match {
    case `parent` ⇒ view.getTop
    case intermediate: View ⇒ view.getTop + intermediate.getTopTo(parent)
    case _ ⇒ sys.error("Can't resolve relative top")
  }

  def next: Option[View] = view match {
    case viewGroup: android.view.ViewGroup if viewGroup.getChildCount > 0 ⇒
      Some(viewGroup.getChildAt(0))
    case view ⇒
      view.getParent match {
        case viewGroup: android.view.ViewGroup ⇒
          Option(viewGroup.getChildAt(viewGroup.indexOfChild(view) + 1))
        case _ ⇒ None
      }
  }

  /**
    * Wrap this view with the given view, and also rewire the parent (if present)
    */
  def wrap[V <: android.view.ViewGroup](viewGroup: V): V = {
    view.getParent match {
      case parent: android.view.ViewGroup ⇒
        parent.removeView(view)
        parent.addView(viewGroup, view.getLayoutParams)
      case _ ⇒ //
    }

    viewGroup.addView(view)
    viewGroup
  }
}