michael@0: /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.prompts;
michael@0: 
michael@0: import org.mozilla.gecko.R;
michael@0: import org.mozilla.gecko.util.ThreadUtils;
michael@0: 
michael@0: import org.json.JSONArray;
michael@0: import org.json.JSONObject;
michael@0: import org.json.JSONException;
michael@0: 
michael@0: import android.content.Context;
michael@0: import android.os.Build;
michael@0: import android.util.Log;
michael@0: import android.view.View;
michael@0: import android.view.LayoutInflater;
michael@0: import android.widget.AdapterView;
michael@0: import android.widget.Button;
michael@0: import android.widget.FrameLayout;
michael@0: import android.widget.LinearLayout;
michael@0: import android.widget.LinearLayout.LayoutParams;
michael@0: import android.widget.ListView;
michael@0: import android.widget.TabHost;
michael@0: import android.widget.TabWidget;
michael@0: import android.widget.TextView;
michael@0: 
michael@0: import java.util.LinkedHashMap;
michael@0: 
michael@0: public class TabInput extends PromptInput implements AdapterView.OnItemClickListener {
michael@0:     public static final String INPUT_TYPE = "tabs";
michael@0:     public static final String LOGTAG = "GeckoTabInput";
michael@0: 
michael@0:     /* Keeping the order of this in sync with the JSON is important. */
michael@0:     final private LinkedHashMap<String, PromptListItem[]> mTabs;
michael@0: 
michael@0:     private TabHost mHost;
michael@0:     private int mPosition;
michael@0: 
michael@0:     public TabInput(JSONObject obj) {
michael@0:         super(obj);
michael@0:         mTabs = new LinkedHashMap<String, PromptListItem[]>();
michael@0:         try {
michael@0:             JSONArray tabs = obj.getJSONArray("items");
michael@0:             for (int i = 0; i < tabs.length(); i++) {
michael@0:                 JSONObject tab = tabs.getJSONObject(i);
michael@0:                 String title = tab.getString("label");
michael@0:                 JSONArray items = tab.getJSONArray("items");
michael@0:                 mTabs.put(title, PromptListItem.getArray(items));
michael@0:             }
michael@0:         } catch(JSONException ex) {
michael@0:             Log.e(LOGTAG, "Exception", ex);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public View getView(final Context context) throws UnsupportedOperationException {
michael@0:         final LayoutInflater inflater = LayoutInflater.from(context);
michael@0:         mHost = (TabHost) inflater.inflate(R.layout.tab_prompt_input, null);
michael@0:         mHost.setup();
michael@0: 
michael@0:         for (String title : mTabs.keySet()) {
michael@0:             final TabHost.TabSpec spec = mHost.newTabSpec(title);
michael@0:             spec.setContent(new TabHost.TabContentFactory() {
michael@0:                 @Override
michael@0:                 public View createTabContent(final String tag) {
michael@0:                     PromptListAdapter adapter = new PromptListAdapter(context, android.R.layout.simple_list_item_1, mTabs.get(tag));
michael@0:                     ListView listView = new ListView(context);
michael@0:                     listView.setCacheColorHint(0);
michael@0:                     listView.setOnItemClickListener(TabInput.this);
michael@0:                     listView.setAdapter(adapter);
michael@0:                     return listView;
michael@0:                 }
michael@0:             });
michael@0: 
michael@0:             // On older android versions, we use a custom style for the tabs.
michael@0:             if (Build.VERSION.SDK_INT < 11) {
michael@0:                 TextView textview = (TextView) inflater.inflate(R.layout.tab_prompt_tab, null);
michael@0:                 textview.setText(title);
michael@0:                 spec.setIndicator(textview);
michael@0:             } else {
michael@0:                 spec.setIndicator(title);
michael@0:             }
michael@0:             mHost.addTab(spec);
michael@0:         }
michael@0:         mView = mHost;
michael@0:         return mHost;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public Object getValue() {
michael@0:         JSONObject obj = new JSONObject();
michael@0:         try {
michael@0:             obj.put("tab", mHost.getCurrentTab());
michael@0:             obj.put("item", mPosition);
michael@0:         } catch(JSONException ex) { }
michael@0: 
michael@0:         return obj;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean getScrollable() {
michael@0:         return true;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean canApplyInputStyle() {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
michael@0:         ThreadUtils.assertOnUiThread();
michael@0:         mPosition = position;
michael@0:         notifyListeners(Integer.toString(position));
michael@0:     }
michael@0: 
michael@0: }