Move components to separate modules

1 files changed, 143 insertions, 0 deletions

diff --git a/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemCore.kt b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemCore.kt
new file mode 100644
index 0000000..fdda464
--- /dev/null
+++ b/kpref-activity/src/main/kotlin/ca/allanwang/kau/kpref/activity/items/KPrefItemCore.kt
@@ -0,0 +1,143 @@
+package ca.allanwang.kau.kpref.activity.items
+
+import android.support.annotation.CallSuper
+import android.support.annotation.IdRes
+import android.support.annotation.LayoutRes
+import android.support.annotation.StringRes
+import android.support.v7.widget.RecyclerView
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import ca.allanwang.kau.R
+import ca.allanwang.kau.adapters.ThemableIItem
+import ca.allanwang.kau.adapters.ThemableIItemDelegate
+import ca.allanwang.kau.kpref.activity.GlobalOptions
+import ca.allanwang.kau.kpref.activity.KPrefMarker
+import ca.allanwang.kau.utils.*
+import com.mikepenz.fastadapter.items.AbstractItem
+import com.mikepenz.iconics.typeface.IIcon
+
+/**
+ * Created by Allan Wang on 2017-06-05.
+ *
+ * Core class containing nothing but the view items
+ */
+
+abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCore, KPrefItemCore.ViewHolder>(),
+        ThemableIItem by ThemableIItemDelegate() {
+
+    override final fun getViewHolder(v: View) = ViewHolder(v)
+
+    @CallSuper
+    override fun bindView(viewHolder: ViewHolder, payloads: List<Any>) {
+        super.bindView(viewHolder, payloads)
+        with(viewHolder) {
+            val context = itemView.context
+            title.text = context.string(core.titleRes)
+            if (core.descRes > 0)
+                desc?.visible()?.setText(core.descRes)
+            else
+                desc?.gone()
+            if (core.iicon != null) icon?.visible()?.setIcon(core.iicon, 24)
+            else icon?.gone()
+            innerFrame?.removeAllViews()
+            val textColor = core.globalOptions.textColor?.invoke()
+            if (textColor != null) {
+                title.setTextColor(textColor)
+                desc?.setTextColor(textColor)
+            }
+            val accentColor = core.globalOptions.accentColor?.invoke()
+            if (accentColor != null) {
+                icon?.drawable?.setTint(accentColor)
+            }
+            onPostBindView(this, textColor, accentColor)
+        }
+    }
+
+    abstract fun onPostBindView(viewHolder: ViewHolder, textColor: Int?, accentColor: Int?)
+
+    abstract fun onClick(itemView: View, innerContent: View?): Boolean
+
+    override fun unbindView(holder: ViewHolder) {
+        super.unbindView(holder)
+        with(holder) {
+            title.text = null
+            desc?.text = null
+            icon?.setImageDrawable(null)
+            innerFrame?.removeAllViews()
+            lowerFrame?.removeAllViews()
+        }
+    }
+
+    /**
+     * Core values for all kpref items
+     */
+    @KPrefMarker
+    interface CoreContract {
+        val globalOptions: GlobalOptions
+        @get:StringRes val titleRes: Int
+        var descRes: Int
+            @StringRes get
+        var iicon: IIcon?
+
+        /**
+         * Attempts to reload current item by identifying it with its [titleRes]
+         */
+        fun reloadSelf()
+    }
+
+    /**
+     * Default implementation of [CoreContract]
+     */
+    class CoreBuilder(override val globalOptions: GlobalOptions,
+                      override @param:StringRes val titleRes: Int) : CoreContract {
+        override var descRes: Int = -1
+        override var iicon: IIcon? = null
+
+        override fun reloadSelf() {
+            globalOptions.reloadByTitle(titleRes)
+        }
+    }
+
+    class ViewHolder(v: View) : RecyclerView.ViewHolder(v) {
+        val title: TextView by bindView(R.id.kau_pref_title)
+        val container: ViewGroup? by bindOptionalView(R.id.kau_pref_container)
+        val desc: TextView? by bindOptionalView(R.id.kau_pref_desc)
+        val icon: ImageView? by bindOptionalView(R.id.kau_pref_icon)
+        val innerFrame: LinearLayout? by bindOptionalView(R.id.kau_pref_inner_frame)
+        val lowerFrame: LinearLayout? by bindOptionalView(R.id.kau_pref_lower_frame)
+        val innerContent: View?
+            get() = itemView.findViewById(R.id.kau_pref_inner_content)
+        val lowerContent: View?
+            get() = itemView.findViewById(R.id.kau_pref_lower_content)
+
+        inline fun <reified T : View> bindInnerView(@LayoutRes id: Int) = bindInnerView(id) { _: T -> }
+
+        inline fun <reified T : View> bindInnerView(@LayoutRes id: Int, onFirstBind: (T) -> Unit): T {
+            if (innerFrame == null) throw IllegalStateException("Cannot bind inner view when innerFrame does not exist")
+            if (innerContent !is T) {
+                innerFrame!!.removeAllViews()
+                LayoutInflater.from(innerFrame!!.context).inflate(id, innerFrame)
+                onFirstBind(innerContent as T)
+            }
+            return innerContent as T
+        }
+
+        inline fun <reified T : View> bindLowerView(@LayoutRes id: Int) = bindLowerView(id) { _: T -> }
+
+        inline fun <reified T : View> bindLowerView(@LayoutRes id: Int, onFirstBind: (T) -> Unit): T {
+            if (lowerFrame == null) throw IllegalStateException("Cannot bind inner view when lowerContent does not exist")
+            if (lowerContent !is T) {
+                lowerFrame!!.removeAllViews()
+                LayoutInflater.from(lowerFrame!!.context).inflate(id, lowerFrame)
+                onFirstBind(lowerContent as T)
+            }
+            return lowerContent as T
+        }
+
+        operator fun get(@IdRes id: Int): View = itemView.findViewById(id)
+    }
+}
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