gecko-dev/mobile/android/base/prompts/TabInput.java

121 строка
4.0 KiB
Java

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