Remapped kprefs to support sub items

9 files changed, 152 insertions, 35 deletions

diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt
index f2f045b..7c4efee 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt
@@ -6,6 +6,9 @@ import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.RecyclerView
 import android.support.v7.widget.Toolbar
 import android.view.View
+import android.view.animation.AnimationUtils
+import android.widget.FrameLayout
+import android.widget.ViewAnimator
 import ca.allanwang.kau.R
 import ca.allanwang.kau.kpref.items.KPrefItemCore
 import ca.allanwang.kau.utils.bindView
@@ -14,13 +17,35 @@ import ca.allanwang.kau.utils.statusBarColor
 import ca.allanwang.kau.views.RippleCanvas
 import com.mikepenz.fastadapter.commons.adapters.FastItemAdapter
 
-abstract class KPrefActivity : AppCompatActivity() {
+abstract class KPrefActivity : AppCompatActivity(), KPrefActivityContract {
 
-    lateinit var adapter: FastItemAdapter<KPrefItemCore>
-    val recycler: RecyclerView by bindView(R.id.kau_recycler)
+    val adapter: FastItemAdapter<KPrefItemCore>
+        get() = recycler.adapter as FastItemAdapter<KPrefItemCore>
+    val recycler: RecyclerView
+        get() = prefHolder.currentView as RecyclerView
+    lateinit var baseRecycler: RecyclerView
     val bgCanvas: RippleCanvas by bindView(R.id.kau_ripple)
     val toolbarCanvas: RippleCanvas by bindView(R.id.kau_toolbar_ripple)
     val toolbar: Toolbar by bindView(R.id.kau_toolbar)
+    val prefHolder: ViewAnimator by bindView(R.id.kau_holder)
+    private lateinit var globalOptions: GlobalOptions
+
+    /**
+     * Core attribute builder that is consistent throughout all items
+     * Leave blank to use defaults
+     */
+    abstract fun kPrefCoreAttributes(): CoreAttributeContract.() -> Unit
+
+    init {
+        setup()
+    }
+
+    private fun setup() {
+        val core = CoreAttributeBuilder()
+        val builder = kPrefCoreAttributes()
+        core.builder()
+        globalOptions = GlobalOptions(core, this)
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -30,15 +55,42 @@ abstract class KPrefActivity : AppCompatActivity() {
             with(supportActionBar!!) {
                 setDisplayHomeAsUpEnabled(true)
                 setDisplayShowHomeEnabled(true)
-                toolbar.setNavigationOnClickListener {
-                    onBackPressed()
-                }
+                toolbar.setNavigationOnClickListener { onBackPressed() }
             }
         window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
         statusBarColor = 0x30000000
         toolbarCanvas.set(resolveColor(R.attr.colorPrimary))
         bgCanvas.set(resolveColor(android.R.attr.colorBackground))
-        adapter = recycler.setKPrefAdapter(onCreateKPrefs(savedInstanceState))
+        with(prefHolder) {
+            animateFirstView = false
+            inAnimation = AnimationUtils.loadAnimation(context, R.anim.kau_slide_in_right)
+            outAnimation = AnimationUtils.loadAnimation(context, R.anim.kau_slide_out_left)
+        }
+        showNextPrefs(onCreateKPrefs(savedInstanceState))
+        baseRecycler = recycler
+    }
+
+    override fun showNextPrefs(builder: KPrefAdapterBuilder.() -> Unit) {
+        val rv = RecyclerView(this).apply {
+            layoutParams = FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT)
+            setKPrefAdapter(globalOptions, builder)
+        }
+        with(prefHolder) {
+            inAnimation = AnimationUtils.loadAnimation(context, R.anim.kau_slide_in_right)
+            outAnimation = AnimationUtils.loadAnimation(context, R.anim.kau_slide_out_left)
+            addView(rv)
+            showNext()
+        }
+    }
+
+    override fun showPrevPrefs() {
+        val current = prefHolder.currentView
+        with(prefHolder) {
+            inAnimation = AnimationUtils.loadAnimation(context, R.anim.kau_slide_in_left)
+            outAnimation = AnimationUtils.loadAnimation(context, R.anim.kau_slide_out_right)
+            showPrevious()
+            removeView(current)
+        }
     }
 
     fun reload(vararg index: Int) {
@@ -56,5 +108,16 @@ abstract class KPrefActivity : AppCompatActivity() {
 
     abstract fun onCreateKPrefs(savedInstanceState: Bundle?): KPrefAdapterBuilder.() -> Unit
 
+    override fun onBackPressed() {
+        if (!backPress()) super.onBackPressed()
+    }
+
+    fun backPress(): Boolean {
+        if (baseRecycler != recycler) {
+            showPrevPrefs()
+            return true
+        }
+        return false
+    }
 }
 
diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBinder.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBinder.kt
index 75c24bc..53cba99 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBinder.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefBinder.kt
@@ -16,11 +16,11 @@ import com.mikepenz.fastadapter.commons.adapters.FastItemAdapter
 /**
  * Base extension that will register the layout manager and adapter with the given items
  */
-fun RecyclerView.setKPrefAdapter(builder: KPrefAdapterBuilder.() -> Unit): FastItemAdapter<KPrefItemCore> {
+fun RecyclerView.setKPrefAdapter(globalOptions: GlobalOptions, builder: KPrefAdapterBuilder.() -> Unit): FastItemAdapter<KPrefItemCore> {
     layoutManager = LinearLayoutManager(context)
     val adapter = FastItemAdapter<KPrefItemCore>()
     adapter.withOnClickListener { v, _, item, _ -> item.onClick(v, v.findViewById(R.id.kau_pref_inner_content)) }
-    val items = KPrefAdapterBuilder()
+    val items = KPrefAdapterBuilder(globalOptions)
     builder.invoke(items)
     adapter.add(items.list)
     this.adapter = adapter
@@ -43,22 +43,32 @@ class CoreAttributeBuilder : CoreAttributeContract {
     override var accentColor: (() -> Int)? = null
 }
 
+interface KPrefActivityContract {
+    fun showNextPrefs(builder: KPrefAdapterBuilder.() -> Unit)
+    fun showPrevPrefs()
+}
+
+
+class GlobalOptions(core: CoreAttributeContract, activity: KPrefActivityContract
+) : CoreAttributeContract by core, KPrefActivityContract by activity
+
+
 /**
  * Builder for kpref items
  * Contains DSLs for every possible item
  * The arguments are all the mandatory values plus an optional builder housing all the possible configurations
  * The mandatory values are final so they cannot be edited in the builder
  */
-class KPrefAdapterBuilder : CoreAttributeContract by CoreAttributeBuilder() {
+class KPrefAdapterBuilder(internal val globalOptions: GlobalOptions) {
 
     fun header(@StringRes title: Int)
-            = list.add(KPrefHeader(KPrefItemCore.CoreBuilder(this, title)))
+            = list.add(KPrefHeader(KPrefItemCore.CoreBuilder(globalOptions, title)))
 
     fun checkbox(@StringRes title: Int,
                  getter: (() -> Boolean),
                  setter: ((value: Boolean) -> Unit),
                  builder: KPrefItemBase.BaseContract<Boolean>.() -> Unit = {})
-            = list.add(KPrefCheckbox(KPrefItemBase.BaseBuilder<Boolean>(this, title, getter, setter)
+            = list.add(KPrefCheckbox(KPrefItemBase.BaseBuilder(globalOptions, title, getter, setter)
             .apply { builder() }))
 
 
@@ -66,16 +76,19 @@ class KPrefAdapterBuilder : CoreAttributeContract by CoreAttributeBuilder() {
                     getter: (() -> Int),
                     setter: ((value: Int) -> Unit),
                     builder: KPrefColorPicker.KPrefColorContract.() -> Unit = {})
-            = list.add(KPrefColorPicker(KPrefColorPicker.KPrefColorBuilder(this, title, getter, setter)
+            = list.add(KPrefColorPicker(KPrefColorPicker.KPrefColorBuilder(globalOptions, title, getter, setter)
             .apply { builder() }))
 
     fun <T> text(@StringRes title: Int,
                  getter: (() -> T),
                  setter: ((value: T) -> Unit),
                  builder: KPrefText.KPrefTextContract<T>.() -> Unit = {})
-            = list.add(KPrefText<T>(KPrefText.KPrefTextBuilder<T>(this, title, getter, setter)
+            = list.add(KPrefText<T>(KPrefText.KPrefTextBuilder<T>(globalOptions, title, getter, setter)
             .apply { builder() }))
 
-    internal val list: MutableList<KPrefItemCore> = mutableListOf()
+    fun subItems(@StringRes title:Int,
+                 itemBuilder:KPrefAdapterBuilder.()->Unit)
+    = list.add(KPrefSubItems(KPrefSubItems.KPrefSubItemsBuilder(globalOptions, title, itemBuilder)))
 
+    internal val list: MutableList<KPrefItemCore> = mutableListOf()
 }
\ No newline at end of file
diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefColorPicker.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefColorPicker.kt
index 2ec0a34..b22c4b3 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefColorPicker.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefColorPicker.kt
@@ -7,6 +7,7 @@ import ca.allanwang.kau.dialogs.color.ColorBuilder
 import ca.allanwang.kau.dialogs.color.ColorContract
 import ca.allanwang.kau.dialogs.color.colorPickerDialog
 import ca.allanwang.kau.kpref.CoreAttributeContract
+import ca.allanwang.kau.kpref.GlobalOptions
 
 /**
  * Created by Allan Wang on 2017-06-07.
@@ -57,11 +58,11 @@ class KPrefColorPicker(val builder: KPrefColorContract) : KPrefItemBase<Int>(bui
     /**
      * Default implementation of [KPrefColorContract]
      */
-    class KPrefColorBuilder(attributes: CoreAttributeContract,
+    class KPrefColorBuilder(globalOptions: GlobalOptions,
                             override var titleRes: Int,
                             getter: () -> Int,
                             setter: (value: Int) -> Unit
-    ) : KPrefColorContract, BaseContract<Int> by BaseBuilder<Int>(attributes, titleRes, getter, setter),
+    ) : KPrefColorContract, BaseContract<Int> by BaseBuilder<Int>(globalOptions, titleRes, getter, setter),
             ColorContract by ColorBuilder() {
         override var showPreview: Boolean = true
     }
diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemBase.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemBase.kt
index 76fa01e..949ae59 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemBase.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemBase.kt
@@ -4,6 +4,7 @@ import android.support.annotation.CallSuper
 import android.view.View
 import ca.allanwang.kau.R
 import ca.allanwang.kau.kpref.CoreAttributeContract
+import ca.allanwang.kau.kpref.GlobalOptions
 import ca.allanwang.kau.utils.resolveDrawable
 
 /**
@@ -72,11 +73,11 @@ abstract class KPrefItemBase<T>(val base: BaseContract<T>) : KPrefItemCore(base)
     /**
      * Default implementation of [BaseContract]
      */
-    class BaseBuilder<T>(attributes: CoreAttributeContract,
+    class BaseBuilder<T>(globalOptions: GlobalOptions,
                          titleRes: Int,
                          override val getter: () -> T,
                          override val setter: (value: T) -> Unit
-    ) : CoreContract by CoreBuilder(attributes, titleRes), BaseContract<T> {
+    ) : CoreContract by CoreBuilder(globalOptions, titleRes), BaseContract<T> {
         override var enabler: () -> Boolean = { true }
         override var onClick: ((itemView: View, innerContent: View?, item: KPrefItemBase<T>) -> Boolean)? = null
         override var onDisabledClick: ((itemView: View, innerContent: View?, item: KPrefItemBase<T>) -> Boolean)? = null
diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemCore.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemCore.kt
index 2d3c714..faf451f 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemCore.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefItemCore.kt
@@ -11,7 +11,7 @@ import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
 import ca.allanwang.kau.R
-import ca.allanwang.kau.kpref.CoreAttributeContract
+import ca.allanwang.kau.kpref.GlobalOptions
 import ca.allanwang.kau.utils.*
 import com.mikepenz.fastadapter.items.AbstractItem
 import com.mikepenz.iconics.typeface.IIcon
@@ -39,12 +39,12 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
             if (core.iicon != null) icon?.visible()?.setIcon(core.iicon, 24)
             else icon?.gone()
             innerFrame?.removeAllViews()
-            val textColor = core.attributes.textColor?.invoke()
+            val textColor = core.globalOptions.textColor?.invoke()
             if (textColor != null) {
                 title.setTextColor(textColor)
                 desc?.setTextColor(textColor)
             }
-            val accentColor = core.attributes.accentColor?.invoke()
+            val accentColor = core.globalOptions.accentColor?.invoke()
             if (accentColor != null) {
                 icon?.drawable?.setTint(accentColor)
             }
@@ -70,7 +70,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
      * Core values for all kpref items
      */
     interface CoreContract {
-        val attributes: CoreAttributeContract
+        val globalOptions: GlobalOptions
         val titleRes: Int
         var descRes: Int
         var iicon: IIcon?
@@ -79,7 +79,7 @@ abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCor
     /**
      * Default impementation of [CoreContract]
      */
-    class CoreBuilder(override val attributes: CoreAttributeContract,
+    class CoreBuilder(override val globalOptions: GlobalOptions,
                       override val titleRes: Int) : CoreContract {
         override var descRes: Int = -1
         override var iicon: IIcon? = null
diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefSubItems.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefSubItems.kt
new file mode 100644
index 0000000..c8a9fda
--- /dev/null
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefSubItems.kt
@@ -0,0 +1,44 @@
+package ca.allanwang.kau.kpref.items
+
+import android.view.View
+import ca.allanwang.kau.R
+import ca.allanwang.kau.kpref.GlobalOptions
+import ca.allanwang.kau.kpref.KPrefAdapterBuilder
+
+/**
+ * Created by Allan Wang on 2017-06-14.
+ *
+ * Text preference
+ * Holds a textview to display data on the right
+ * This is still a generic preference
+ *
+ */
+class KPrefSubItems(val builder: KPrefSubItemsBuilder) : KPrefItemCore(builder) {
+
+    override fun onClick(itemView: View, innerContent: View?): Boolean {
+        builder.globalOptions.showNextPrefs(builder.itemBuilder)
+        return true
+    }
+
+    override fun getLayoutRes(): Int = R.layout.kau_preference
+
+    override fun onPostBindView(viewHolder: ViewHolder, textColor: Int?, accentColor: Int?) {}
+    /**
+     * Extension of the base contract with an optional text getter
+     */
+    interface KPrefSubItemsContract : CoreContract {
+        val itemBuilder: KPrefAdapterBuilder.() -> Unit
+    }
+
+    /**
+     * Default implementation of [KPrefTextContract]
+     */
+    class KPrefSubItemsBuilder(
+            globalOptions: GlobalOptions,
+            titleRes: Int,
+            override val itemBuilder: KPrefAdapterBuilder.() -> Unit
+    ) : KPrefSubItemsContract, CoreContract by CoreBuilder(globalOptions, titleRes)
+
+    override fun getType(): Int = R.id.kau_item_pref_checkbox
+
+}
\ No newline at end of file
diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefText.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefText.kt
index 0daa054..b93dbed 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefText.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/items/KPrefText.kt
@@ -4,6 +4,7 @@ import android.view.View
 import android.widget.TextView
 import ca.allanwang.kau.R
 import ca.allanwang.kau.kpref.CoreAttributeContract
+import ca.allanwang.kau.kpref.GlobalOptions
 import ca.allanwang.kau.utils.toast
 
 /**
@@ -39,11 +40,11 @@ class KPrefText<T>(val builder: KPrefTextContract<T>) : KPrefItemBase<T>(builder
      * Default implementation of [KPrefTextContract]
      */
     class KPrefTextBuilder<T>(
-            attributes: CoreAttributeContract,
+            globalOptions: GlobalOptions,
             titleRes: Int,
             getter: () -> T,
             setter: (value: T) -> Unit
-    ) : KPrefTextContract<T>, BaseContract<T> by BaseBuilder<T>(attributes, titleRes, getter, setter) {
+    ) : KPrefTextContract<T>, BaseContract<T> by BaseBuilder<T>(globalOptions, titleRes, getter, setter) {
         override var textGetter: (T) -> String? = { it?.toString() }
     }
 
diff --git a/library/src/main/kotlin/ca/allanwang/kau/utils/ViewUtils.kt b/library/src/main/kotlin/ca/allanwang/kau/utils/ViewUtils.kt
index 72b8573..c64220c 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/utils/ViewUtils.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/utils/ViewUtils.kt
@@ -6,6 +6,7 @@ import android.support.annotation.StringRes
 import android.support.design.widget.Snackbar
 import android.view.View
 import android.view.ViewGroup
+import android.widget.FrameLayout
 import android.widget.ImageView
 import android.widget.TextView
 import com.mikepenz.iconics.IconicsDrawable
@@ -34,13 +35,6 @@ fun View.isVisible(): Boolean = visibility == View.VISIBLE
 fun View.isInvisible(): Boolean = visibility == View.INVISIBLE
 fun View.isGone(): Boolean = visibility == View.GONE
 
-fun View.matchParent() {
-    with(layoutParams) {
-        height = ViewGroup.LayoutParams.MATCH_PARENT
-        width = ViewGroup.LayoutParams.MATCH_PARENT
-    }
-}
-
 fun View.snackbar(text: String, duration: Int = Snackbar.LENGTH_LONG, builder: (Snackbar) -> Unit = {}) {
     val snackbar = Snackbar.make(this, text, duration)
     builder.invoke(snackbar)
diff --git a/library/src/main/res/layout/kau_activity_kpref.xml b/library/src/main/res/layout/kau_activity_kpref.xml
index 4135edc..390674f 100644
--- a/library/src/main/res/layout/kau_activity_kpref.xml
+++ b/library/src/main/res/layout/kau_activity_kpref.xml
@@ -32,8 +32,8 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/kau_toolbar" />
 
-    <android.support.v7.widget.RecyclerView
-        android:id="@+id/kau_recycler"
+    <ViewAnimator
+        android:id="@+id/kau_holder"
         android:layout_width="0dp"
         android:layout_height="0dp"
         app:layout_constraintBottom_toBottomOf="parent"