Enhancement/ktlint (#179)

* Add spotless dependency

* Apply ktlint

* Add license headers

12 files changed, 260 insertions, 61 deletions

diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt b/adapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt
index b754cb4..17fd09f 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/adapters/AdapterUtils.kt
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.adapters
 
 import com.mikepenz.fastadapter.FastAdapter
@@ -14,10 +29,10 @@ import com.mikepenz.fastadapter.select.SelectExtension
  * Add kotlin's generic syntax to better support out types
  */
 fun <Item : IItem<*, *>> fastAdapter(vararg adapter: IAdapter<out Item>) =
-        FastAdapter.with<Item, IAdapter<out Item>>(adapter.toList())!!
+    FastAdapter.with<Item, IAdapter<out Item>>(adapter.toList())!!
 
 inline fun <reified T : IAdapterExtension<Item>, Item : IItem<*, *>> FastAdapter<Item>.getExtension(): T? =
-        getExtension(T::class.java)
+    getExtension(T::class.java)
 
 /**
  * Returns selection size, or -1 if selection is disabled
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt b/adapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt
index 75cf876..152982f 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/adapters/FastItemThemedAdapter.kt
@@ -1,11 +1,26 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.adapters
 
 import android.content.res.ColorStateList
 import android.os.Build
-import androidx.annotation.RequiresApi
 import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.annotation.RequiresApi
 import ca.allanwang.kau.ui.createSimpleRippleDrawable
 import ca.allanwang.kau.utils.adjustAlpha
 import com.mikepenz.fastadapter.IItem
@@ -21,9 +36,9 @@ import com.mikepenz.fastadapter.commons.adapters.FastItemAdapter
  * If that item extends [ThemableIItem], then the colors will be set
  */
 class FastItemThemedAdapter<Item : IItem<*, *>>(
-        textColor: Int? = null,
-        backgroundColor: Int? = null,
-        accentColor: Int? = null
+    textColor: Int? = null,
+    backgroundColor: Int? = null,
+    accentColor: Int? = null
 ) : FastItemAdapter<Item>() {
     constructor(colors: ThemableIItemColors) : this(colors.textColor, colors.backgroundColor, colors.accentColor)
 
@@ -183,4 +198,4 @@ class ThemableIItemDelegate : ThemableIItem, ThemableIItemColors by ThemableIIte
         val color = accentColor ?: textColor ?: return
         views.forEach { it?.drawable?.setTintList(ColorStateList.valueOf(color)) }
     }
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt b/adapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt
index a23ac37..40b4774 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt
@@ -1,7 +1,22 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.adapters
 
-import androidx.annotation.IntRange
 import android.view.View
+import androidx.annotation.IntRange
 import com.mikepenz.fastadapter.FastAdapter
 import com.mikepenz.fastadapter.IAdapter
 import com.mikepenz.fastadapter.IItem
@@ -10,10 +25,12 @@ import com.mikepenz.fastadapter.listeners.OnClickListener
 /**
  * Created by Allan Wang on 26/12/17.
  */
-fun <Item : IItem<*, *>> FastAdapter<Item>.withOnRepeatedClickListener(count: Int,
-                                                                       duration: Long,
-                                                                       event: OnClickListener<Item>) =
-        withOnClickListener(RepeatedClickListener(count, duration, event))
+fun <Item : IItem<*, *>> FastAdapter<Item>.withOnRepeatedClickListener(
+    count: Int,
+    duration: Long,
+    event: OnClickListener<Item>
+) =
+    withOnClickListener(RepeatedClickListener(count, duration, event))
 
 /**
  * Registers and skips each click until the designated [count] clicks are triggered,
@@ -21,9 +38,10 @@ fun <Item : IItem<*, *>> FastAdapter<Item>.withOnRepeatedClickListener(count: In
  * Only then will the [event] be fired, and everything will be reset.
  */
 private class RepeatedClickListener<Item : IItem<*, *>>(
-        @IntRange(from = 1) val count: Int,
-        @IntRange(from = 1) val duration: Long,
-        val event: OnClickListener<Item>) : OnClickListener<Item> {
+    @IntRange(from = 1) val count: Int,
+    @IntRange(from = 1) val duration: Long,
+    val event: OnClickListener<Item>
+) : OnClickListener<Item> {
 
     init {
         if (count <= 0)
@@ -49,4 +67,4 @@ private class RepeatedClickListener<Item : IItem<*, *>>(
         }
         return false
     }
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/animators/AnimatorInterfaces.kt b/adapter/src/main/kotlin/ca/allanwang/kau/animators/AnimatorInterfaces.kt
index 15c3b41..b83a2d0 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/animators/AnimatorInterfaces.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/animators/AnimatorInterfaces.kt
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.animators
 
 import android.view.View
@@ -25,7 +40,11 @@ interface KauAnimatorRemove {
 }
 
 interface KauAnimatorChange {
-    fun changeOldAnimation(holder: RecyclerView.ViewHolder, changeInfo: BaseItemAnimator.ChangeInfo): ViewPropertyAnimator.() -> Unit
+    fun changeOldAnimation(
+        holder: RecyclerView.ViewHolder,
+        changeInfo: BaseItemAnimator.ChangeInfo
+    ): ViewPropertyAnimator.() -> Unit
+
     fun changeNewAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator.() -> Unit
     fun changeAnimationCleanup(holder: RecyclerView.ViewHolder): View.() -> Unit
 }
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/animators/DefaultAnimator.kt b/adapter/src/main/kotlin/ca/allanwang/kau/animators/DefaultAnimator.kt
index f2b6353..4e342ab 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/animators/DefaultAnimator.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/animators/DefaultAnimator.kt
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.animators
 
 import android.view.ViewPropertyAnimator
@@ -59,5 +74,4 @@ open class DefaultAnimator : BaseItemAnimator() {
     override fun changeAnimationCleanup(holder: RecyclerView.ViewHolder) {
         holder.itemView.alpha = 1f
     }
-
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/animators/FadeScaleAnimator.kt b/adapter/src/main/kotlin/ca/allanwang/kau/animators/FadeScaleAnimator.kt
index dec5f79..9113b0e 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/animators/FadeScaleAnimator.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/animators/FadeScaleAnimator.kt
@@ -1,14 +1,30 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.animators
 
-import androidx.recyclerview.widget.RecyclerView
 import android.view.View
 import android.view.ViewPropertyAnimator
+import androidx.recyclerview.widget.RecyclerView
 import ca.allanwang.kau.utils.scaleXY
 
 /**
  * Created by Allan Wang on 2017-07-11.
  */
-class FadeScaleAnimatorAdd(val scaleFactor: Float = 1.0f, override var itemDelayFactor: Float = 0.125f) : KauAnimatorAdd {
+class FadeScaleAnimatorAdd(val scaleFactor: Float = 1.0f, override var itemDelayFactor: Float = 0.125f) :
+    KauAnimatorAdd {
 
     override fun animationPrepare(holder: RecyclerView.ViewHolder): View.() -> Unit = {
         scaleXY = scaleFactor
@@ -26,10 +42,10 @@ class FadeScaleAnimatorAdd(val scaleFactor: Float = 1.0f, override var itemDelay
     }
 
     override fun getDelay(remove: Long, move: Long, change: Long): Long = 0L
-
 }
 
-class FadeScaleAnimatorRemove(val scaleFactor: Float = 1.0f, override var itemDelayFactor: Float = 0.125f) : KauAnimatorRemove {
+class FadeScaleAnimatorRemove(val scaleFactor: Float = 1.0f, override var itemDelayFactor: Float = 0.125f) :
+    KauAnimatorRemove {
 
     override fun animation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator.() -> Unit = {
         scaleXY(scaleFactor)
@@ -46,10 +62,12 @@ class FadeScaleAnimatorRemove(val scaleFactor: Float = 1.0f, override var itemDe
 
 class FadeAnimatorChange : KauAnimatorChange {
 
-    override fun changeOldAnimation(holder: RecyclerView.ViewHolder, changeInfo: BaseItemAnimator.ChangeInfo): ViewPropertyAnimator.() -> Unit = { alpha(0f) }
+    override fun changeOldAnimation(
+        holder: RecyclerView.ViewHolder,
+        changeInfo: BaseItemAnimator.ChangeInfo
+    ): ViewPropertyAnimator.() -> Unit = { alpha(0f) }
 
     override fun changeNewAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator.() -> Unit = { alpha(1f) }
 
     override fun changeAnimationCleanup(holder: RecyclerView.ViewHolder): View.() -> Unit = { alpha = 1f }
-
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/animators/KauAnimator.kt b/adapter/src/main/kotlin/ca/allanwang/kau/animators/KauAnimator.kt
index a088273..b9df946 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/animators/KauAnimator.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/animators/KauAnimator.kt
@@ -1,7 +1,22 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.animators
 
-import androidx.recyclerview.widget.RecyclerView
 import android.view.ViewPropertyAnimator
+import androidx.recyclerview.widget.RecyclerView
 import ca.allanwang.kau.utils.KAU_BOTTOM
 import ca.allanwang.kau.utils.KAU_RIGHT
 
@@ -9,12 +24,13 @@ import ca.allanwang.kau.utils.KAU_RIGHT
  * Created by Allan Wang on 2017-06-27.
  */
 open class KauAnimator(
-        val addAnimator: KauAnimatorAdd = SlideAnimatorAdd(KAU_BOTTOM),
-        val removeAnimator: KauAnimatorRemove = SlideAnimatorRemove(KAU_RIGHT),
-        val changeAnimator: KauAnimatorChange = FadeAnimatorChange()
+    val addAnimator: KauAnimatorAdd = SlideAnimatorAdd(KAU_BOTTOM),
+    val removeAnimator: KauAnimatorRemove = SlideAnimatorRemove(KAU_RIGHT),
+    val changeAnimator: KauAnimatorChange = FadeAnimatorChange()
 ) : BaseItemAnimator() {
 
-    open fun startDelay(holder: RecyclerView.ViewHolder, duration: Long, factor: Float) = Math.max(0L, (holder.adapterPosition * duration * factor).toLong())
+    open fun startDelay(holder: RecyclerView.ViewHolder, duration: Long, factor: Float) =
+        Math.max(0L, (holder.adapterPosition * duration * factor).toLong())
 
     override fun removeAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
         return holder.itemView.animate().apply {
@@ -29,7 +45,8 @@ open class KauAnimator(
         holder.itemView.apply { removeAnimator.animationCleanup(holder)() }
     }
 
-    override fun getRemoveDelay(remove: Long, move: Long, change: Long): Long = removeAnimator.getDelay(remove, move, change)
+    override fun getRemoveDelay(remove: Long, move: Long, change: Long): Long =
+        removeAnimator.getDelay(remove, move, change)
 
     override fun addAnimationPrepare(holder: RecyclerView.ViewHolder) {
         holder.itemView.apply { addAnimator.animationPrepare(holder)() }
@@ -69,5 +86,4 @@ open class KauAnimator(
     override fun changeAnimationCleanup(holder: RecyclerView.ViewHolder) {
         holder.itemView.apply { changeAnimator.changeAnimationCleanup(holder)() }
     }
-
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/animators/NoAnimator.kt b/adapter/src/main/kotlin/ca/allanwang/kau/animators/NoAnimator.kt
index ea0c123..cca8a25 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/animators/NoAnimator.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/animators/NoAnimator.kt
@@ -1,8 +1,23 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.animators
 
-import androidx.recyclerview.widget.RecyclerView
 import android.view.View
 import android.view.ViewPropertyAnimator
+import androidx.recyclerview.widget.RecyclerView
 
 /**
  * Created by Allan Wang on 2017-08-02.
@@ -16,7 +31,6 @@ class NoAnimatorAdd(override var itemDelayFactor: Float = 0f) : KauAnimatorAdd {
     override fun animationCleanup(holder: RecyclerView.ViewHolder): View.() -> Unit = { }
 
     override fun getDelay(remove: Long, move: Long, change: Long): Long = 0L
-
 }
 
 class NoAnimatorRemove(override var itemDelayFactor: Float = 0f) : KauAnimatorRemove {
@@ -30,10 +44,12 @@ class NoAnimatorRemove(override var itemDelayFactor: Float = 0f) : KauAnimatorRe
 
 class NoAnimatorChange : KauAnimatorChange {
 
-    override fun changeOldAnimation(holder: RecyclerView.ViewHolder, changeInfo: BaseItemAnimator.ChangeInfo): ViewPropertyAnimator.() -> Unit = { }
+    override fun changeOldAnimation(
+        holder: RecyclerView.ViewHolder,
+        changeInfo: BaseItemAnimator.ChangeInfo
+    ): ViewPropertyAnimator.() -> Unit = { }
 
     override fun changeNewAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator.() -> Unit = { }
 
     override fun changeAnimationCleanup(holder: RecyclerView.ViewHolder): View.() -> Unit = { alpha = 1f }
-
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/animators/SlideAnimator.kt b/adapter/src/main/kotlin/ca/allanwang/kau/animators/SlideAnimator.kt
index 01ad1ff..55d5b2e 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/animators/SlideAnimator.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/animators/SlideAnimator.kt
@@ -1,8 +1,23 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.animators
 
-import androidx.recyclerview.widget.RecyclerView
 import android.view.View
 import android.view.ViewPropertyAnimator
+import androidx.recyclerview.widget.RecyclerView
 import ca.allanwang.kau.utils.KAU_BOTTOM
 import ca.allanwang.kau.utils.KAU_LEFT
 import ca.allanwang.kau.utils.KAU_RIGHT
@@ -11,7 +26,8 @@ import ca.allanwang.kau.utils.KAU_TOP
 /**
  * Created by Allan Wang on 2017-07-11.
  */
-class SlideAnimatorAdd(val fromEdge: Int, val slideFactor: Float = 1f, override var itemDelayFactor: Float = 0.125f) : KauAnimatorAdd {
+class SlideAnimatorAdd(val fromEdge: Int, val slideFactor: Float = 1f, override var itemDelayFactor: Float = 0.125f) :
+    KauAnimatorAdd {
 
     override fun animationPrepare(holder: RecyclerView.ViewHolder): View.() -> Unit = {
         when (fromEdge) {
@@ -37,10 +53,13 @@ class SlideAnimatorAdd(val fromEdge: Int, val slideFactor: Float = 1f, override
     }
 
     override fun getDelay(remove: Long, move: Long, change: Long): Long = 0L
-
 }
 
-class SlideAnimatorRemove(val fromEdge: Int, val slideFactor: Float = 1f, override var itemDelayFactor: Float = 0.125f) : KauAnimatorRemove {
+class SlideAnimatorRemove(
+    val fromEdge: Int,
+    val slideFactor: Float = 1f,
+    override var itemDelayFactor: Float = 0.125f
+) : KauAnimatorRemove {
     override fun animation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator.() -> Unit = {
         with(holder.itemView) {
             when (fromEdge) {
@@ -61,4 +80,4 @@ class SlideAnimatorRemove(val fromEdge: Int, val slideFactor: Float = 1f, overri
     }
 
     override fun getDelay(remove: Long, move: Long, change: Long): Long = 0L
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/iitems/CardIItem.kt b/adapter/src/main/kotlin/ca/allanwang/kau/iitems/CardIItem.kt
index 784dd3c..6e33833 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/iitems/CardIItem.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/iitems/CardIItem.kt
@@ -1,18 +1,38 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.iitems
 
 import android.graphics.Color
 import android.graphics.drawable.Drawable
-import androidx.recyclerview.widget.RecyclerView
 import android.view.View
 import android.widget.Button
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
 import androidx.cardview.widget.CardView
+import androidx.recyclerview.widget.RecyclerView
 import ca.allanwang.kau.adapter.R
 import ca.allanwang.kau.adapters.ThemableIItem
 import ca.allanwang.kau.adapters.ThemableIItemDelegate
-import ca.allanwang.kau.utils.*
+import ca.allanwang.kau.utils.INVALID_ID
+import ca.allanwang.kau.utils.drawable
+import ca.allanwang.kau.utils.gone
+import ca.allanwang.kau.utils.string
+import ca.allanwang.kau.utils.toDrawable
+import ca.allanwang.kau.utils.visible
 import com.mikepenz.fastadapter.FastAdapter
 import com.mikepenz.fastadapter.IItem
 import com.mikepenz.fastadapter.listeners.ClickEventHook
@@ -25,9 +45,9 @@ import com.mikepenz.iconics.typeface.IIcon
  * The icon and button are hidden by default unless values are given
  */
 class CardIItem(
-        val builder: Config.() -> Unit = {}
+    val builder: Config.() -> Unit = {}
 ) : KauIItem<CardIItem, CardIItem.ViewHolder>(
-        R.layout.kau_iitem_card, ::ViewHolder, R.id.kau_item_card
+    R.layout.kau_iitem_card, ::ViewHolder, R.id.kau_item_card
 ), ThemableIItem by ThemableIItemDelegate() {
 
     companion object {
@@ -83,7 +103,7 @@ class CardIItem(
                 }
                 val icon = drawable(imageRes) {
                     imageIIcon?.toDrawable(this@context, sizeDp = 24, color = imageIIconColor)
-                            ?: image
+                        ?: image
                 }
                 if (icon != null) holder.icon.visible().setImageDrawable(icon)
             }
@@ -117,5 +137,4 @@ class CardIItem(
         val bottomRow: LinearLayout = v.findViewById(R.id.kau_card_bottom_row)
         val button: Button = v.findViewById(R.id.kau_card_button)
     }
-
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/iitems/HeaderIItem.kt b/adapter/src/main/kotlin/ca/allanwang/kau/iitems/HeaderIItem.kt
index 098f017..2c488b1 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/iitems/HeaderIItem.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/iitems/HeaderIItem.kt
@@ -1,9 +1,24 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.iitems
 
-import androidx.recyclerview.widget.RecyclerView
 import android.view.View
 import android.widget.TextView
 import androidx.cardview.widget.CardView
+import androidx.recyclerview.widget.RecyclerView
 import ca.allanwang.kau.adapter.R
 import ca.allanwang.kau.adapters.ThemableIItem
 import ca.allanwang.kau.adapters.ThemableIItemDelegate
@@ -17,9 +32,10 @@ import ca.allanwang.kau.utils.string
  * Contains only one text view
  */
 class HeaderIItem(
-        text: String? = null, var textRes: Int = INVALID_ID
+    text: String? = null,
+    var textRes: Int = INVALID_ID
 ) : KauIItem<HeaderIItem, HeaderIItem.ViewHolder>(
-        R.layout.kau_iitem_header, { ViewHolder(it) }, R.id.kau_item_header_big_margin_top
+    R.layout.kau_iitem_header, { ViewHolder(it) }, R.id.kau_item_header_big_margin_top
 ), ThemableIItem by ThemableIItemDelegate() {
 
     var text: String = text ?: "Header Placeholder"
@@ -40,5 +56,4 @@ class HeaderIItem(
         val text: TextView = v.findViewById(R.id.kau_header_text)
         val container: CardView = v.findViewById(R.id.kau_header_container)
     }
-
-}
\ No newline at end of file
+}
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/iitems/KauIItem.kt b/adapter/src/main/kotlin/ca/allanwang/kau/iitems/KauIItem.kt
index 205d388..c66dc01 100644
--- a/adapter/src/main/kotlin/ca/allanwang/kau/iitems/KauIItem.kt
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/iitems/KauIItem.kt
@@ -1,9 +1,24 @@
+/*
+ * Copyright 2018 Allan Wang
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package ca.allanwang.kau.iitems
 
 import android.annotation.SuppressLint
+import android.view.View
 import androidx.annotation.LayoutRes
 import androidx.recyclerview.widget.RecyclerView
-import android.view.View
 import com.mikepenz.fastadapter.IClickable
 import com.mikepenz.fastadapter.IItem
 import com.mikepenz.fastadapter.items.AbstractItem
@@ -15,13 +30,13 @@ import com.mikepenz.fastadapter.items.AbstractItem
  * If only one iitem type extends the given [layoutRes], you may use it as the type and not worry about another id
  */
 open class KauIItem<Item, VH : RecyclerView.ViewHolder>(
-        @param:LayoutRes private val layoutRes: Int,
-        private val viewHolder: (v: View) -> VH,
-        private val type: Int = layoutRes
+    @param:LayoutRes private val layoutRes: Int,
+    private val viewHolder: (v: View) -> VH,
+    private val type: Int = layoutRes
 ) : AbstractItem<Item, VH>() where Item : IItem<*, *>, Item : IClickable<*> {
     @SuppressLint("ResourceType")
     final override fun getType(): Int = type
 
     final override fun getViewHolder(v: View): VH = viewHolder(v)
     final override fun getLayoutRes(): Int = layoutRes
-}
\ No newline at end of file
+}