1 files changed, 101 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/TabsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/TabsAdapter.java
new file mode 100644
index 000000000..9ddfa90be
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/TabsAdapter.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.adapter;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentStatePagerAdapter;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v4.view.ViewPager;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.ActionBarActivity;
+
+import java.util.ArrayList;
+
+public class TabsAdapter extends FragmentStatePagerAdapter implements ActionBar.TabListener,
+        ViewPager.OnPageChangeListener {
+    private final Context mContext;
+    private final ActionBar mActionBar;
+    private final ViewPager mViewPager;
+    private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
+
+    static final class TabInfo {
+        public final Class<?> clss;
+        public final Bundle args;
+
+        TabInfo(Class<?> clss, Bundle args) {
+            this.clss = clss;
+            this.args = args;
+        }
+    }
+
+    public TabsAdapter(ActionBarActivity activity, ViewPager pager) {
+        super(activity.getSupportFragmentManager());
+        mContext = activity;
+        mActionBar = activity.getSupportActionBar();
+        mViewPager = pager;
+        mViewPager.setAdapter(this);
+        mViewPager.setOnPageChangeListener(this);
+    }
+
+    public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args, boolean selected) {
+        TabInfo info = new TabInfo(clss, args);
+        tab.setTag(info);
+        tab.setTabListener(this);
+        mTabs.add(info);
+        mActionBar.addTab(tab, selected);
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public int getCount() {
+        return mTabs.size();
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+        TabInfo info = mTabs.get(position);
+        return Fragment.instantiate(mContext, info.clss.getName(), info.args);
+    }
+
+    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+    }
+
+    public void onPageSelected(int position) {
+        mActionBar.setSelectedNavigationItem(position);
+    }
+
+    public void onPageScrollStateChanged(int state) {
+    }
+
+    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
+        Object tag = tab.getTag();
+        for (int i = 0; i < mTabs.size(); i++) {
+            if (mTabs.get(i) == tag) {
+                mViewPager.setCurrentItem(i);
+            }
+        }
+    }
+
+    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
+    }
+
+    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
+    }
+}