1 files changed, 110 insertions, 0 deletions
diff --git a/app/src/main/java/net/lacolaco/smileessence/view/adapter/PageListAdapter.kt b/app/src/main/java/net/lacolaco/smileessence/view/adapter/PageListAdapter.kt
new file mode 100644
index 00000000..34d158f0
--- /dev/null
+++ b/app/src/main/java/net/lacolaco/smileessence/view/adapter/PageListAdapter.kt
@@ -0,0 +1,110 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2012-2014 lacolaco.net
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.lacolaco.smileessence.view.adapter
+
+import android.os.Bundle
+import android.support.v13.app.FragmentPagerAdapter
+import net.lacolaco.smileessence.activity.MainActivity
+import net.lacolaco.smileessence.logging.Logger
+import net.lacolaco.smileessence.view.page.PageFragment
+
+import java.lang.ref.WeakReference
+import java.util.ArrayList
+import java.util.HashMap
+
+class PageListAdapter
+// --------------------------- FragmentPagerAdapter ---------------------------
+
+(_activity: MainActivity) : FragmentPagerAdapter(_activity.fragmentManager) {
+
+    // ------------------------------ FIELDS ------------------------------
+
+    private val pages = ArrayList<PageInfo>()
+    private val fragmentCache = HashMap<Int, WeakReference<PageFragment<*>>>()
+
+    @Synchronized override fun getItem(position: Int): PageFragment<*> {
+        val pf: PageFragment<*>
+        val info = pages[position]
+        try {
+            pf = info.fragmentClass.newInstance()
+        } catch (e: Exception) {
+            Logger.error("should not happen: fragmentClass is private or Android is broken?")
+            e.printStackTrace()
+            throw RuntimeException(e)
+        }
+
+        pf.arguments = info.args
+        fragmentCache.put(position, WeakReference(pf))
+        return pf
+    }
+
+    @Synchronized
+    fun getCachedFragment(pos: Int): PageFragment<*>? {
+        val wpf = fragmentCache[pos]
+        return wpf?.get()
+    }
+
+    @Synchronized override fun getCount(): Int {
+        return pages.size
+    }
+
+    // ------------------------ INTERFACE METHODS ------------------------
+
+    // -------------------------- OTHER METHODS --------------------------
+
+    fun addPage(klass: Class<out PageFragment<*>>, name: String, args: Bundle) {
+        this.addPage(klass, name, args, true)
+    }
+
+    fun addPage(klass: Class<out PageFragment<*>>, name: String, args: Bundle, notifyChanged: Boolean) {
+        pages.add(PageInfo(klass, name, args))
+        if (notifyChanged) notifyDataSetChanged()
+    }
+
+    @Synchronized
+    fun removePage(position: Int): Boolean {
+        //if (removePageWithoutNotify(position)) {
+        //    refreshListNavigation();
+        //    return true;
+        //}
+        return pages.removeAt(position) != null // TODO
+    }
+
+    fun getName(pos: Int): String {
+        return pages[pos].name
+    }
+
+    @Deprecated("")
+    fun getIndex(fragmentClass: Class<out PageFragment<*>>): Int {
+        for (i in pages.indices) {
+            if (pages[i].fragmentClass == fragmentClass) {
+                return i
+            }
+        }
+        return -1
+    }
+
+    private class PageInfo internal constructor(val fragmentClass: Class<out PageFragment<*>>, val name: String, val args: Bundle)
+}