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/* |
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* JSampler - a java front-end for LinuxSampler |
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* |
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* Copyright (C) 2011 Grigor Iliev <grigor@grigoriliev.com> |
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* |
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* This file is part of JSampler. |
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* |
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* JSampler is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 |
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* as published by the Free Software Foundation. |
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* |
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* JSampler is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with JSampler; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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package org.jsampler.android.view.std; |
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|
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import org.jsampler.CC; |
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import org.jsampler.JSPrefs; |
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import org.jsampler.Server; |
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import org.jsampler.android.R; |
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import org.jsampler.android.view.ServerListAdapter; |
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|
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import android.app.Activity; |
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import android.app.Dialog; |
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import android.content.Intent; |
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import android.database.DataSetObserver; |
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import android.os.Bundle; |
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import android.view.View; |
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import android.widget.AdapterView; |
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import android.widget.Button; |
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import android.widget.ListView; |
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|
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import static org.jsampler.JSPrefs.SERVER_INDEX; |
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|
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public class ChooseBackendActivity extends Activity { |
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public static final int DLG_ADD_BACKEND = 1; |
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|
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/** Called when the activity is first created. */ |
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.choose_backend); |
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ListView lv = (ListView)findViewById(R.id.choose_backend_list); |
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lv.setItemsCanFocus(false); |
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lv.setChoiceMode(ListView.CHOICE_MODE_SINGLE); |
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ServerListAdapter sla = new ServerListAdapter(); |
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lv.setAdapter(sla); |
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|
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sla.registerDataSetObserver(new DataSetObserver() { |
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public void onChanged() { updateButtonStates(); } |
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public void onInvalidated() { updateButtonStates(); } |
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}); |
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|
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lv.setOnItemClickListener(new ListView.OnItemClickListener() { |
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@Override |
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public void |
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onItemClick(AdapterView<?> parent, View view, int position, long id) { |
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updateButtonStates(); |
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} |
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}); |
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|
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/*lv.setOnItemSelectedListener(new ListView.OnItemSelectedListener() { |
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public void |
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onItemSelected(AdapterView<?> parent, View view, int position, long id) { |
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|
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} |
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|
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public void |
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onNothingSelected (AdapterView<?> parent) { |
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|
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} |
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});*/ |
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|
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int i = preferences().getIntProperty(JSPrefs.SERVER_INDEX); |
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if(i >= 0 && i < CC.getServerList().getServerCount()) { |
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lv.setItemChecked(i, true); |
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} |
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|
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updateButtonStates(); |
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|
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installButtonListeners(); |
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} |
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|
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private void |
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installButtonListeners() { |
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Button btn = (Button)findViewById(R.id.choose_backend_btn_add); |
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btn.setOnClickListener(new View.OnClickListener() { |
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public void onClick(View v) { |
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showDialog(DLG_ADD_BACKEND); |
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} |
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}); |
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|
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btn = (Button)findViewById(R.id.choose_backend_btn_remove); |
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btn.setOnClickListener(new View.OnClickListener() { |
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public void onClick(View v) { |
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removeSelectedBackend(); |
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} |
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}); |
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|
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btn = (Button)findViewById(R.id.choose_backend_btn_up); |
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btn.setOnClickListener(new View.OnClickListener() { |
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public void onClick(View v) { |
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moveSelectedBackendUp(); |
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} |
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}); |
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btn = (Button)findViewById(R.id.choose_backend_btn_down); |
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btn.setOnClickListener(new View.OnClickListener() { |
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public void onClick(View v) { |
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moveSelectedBackendDown(); |
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} |
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}); |
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|
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btn = (Button)findViewById(R.id.choose_backend_btn_connect); |
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btn.setOnClickListener(new View.OnClickListener() { |
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public void onClick(View v) { |
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connect(); |
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} |
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}); |
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} |
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|
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private void |
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removeSelectedBackend() { |
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ListView lv = (ListView)findViewById(R.id.choose_backend_list); |
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int pos = lv.getCheckedItemPosition(); |
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if (pos == ListView.INVALID_POSITION) return; |
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lv.setItemChecked(pos, false); |
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CC.getServerList().removeServer(pos); |
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((ServerListAdapter)lv.getAdapter()).notifyDataSetChanged(); |
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} |
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|
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private void |
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moveSelectedBackendUp() { |
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ListView lv = (ListView)findViewById(R.id.choose_backend_list); |
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int pos = lv.getCheckedItemPosition(); |
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if (pos == ListView.INVALID_POSITION || pos < 1) return; |
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lv.setItemChecked(pos, false); |
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CC.getServerList().moveServerUp(CC.getServerList().getServer(pos)); |
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lv.setItemChecked(pos - 1, true); |
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((ServerListAdapter)lv.getAdapter()).notifyDataSetChanged(); |
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} |
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|
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private void |
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moveSelectedBackendDown() { |
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ListView lv = (ListView)findViewById(R.id.choose_backend_list); |
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int pos = lv.getCheckedItemPosition(); |
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if (pos == ListView.INVALID_POSITION || pos >= lv.getAdapter().getCount() - 1) return; |
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CC.getServerList().moveServerDown(CC.getServerList().getServer(pos)); |
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lv.setItemChecked(pos + 1, true); |
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((ServerListAdapter)lv.getAdapter()).notifyDataSetChanged(); |
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} |
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|
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private void |
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connect() { |
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Server server = null; |
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ListView lv = (ListView)findViewById(R.id.choose_backend_list); |
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int pos = lv.getCheckedItemPosition(); |
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if (pos != ListView.INVALID_POSITION) { |
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preferences().setIntProperty(SERVER_INDEX, pos); |
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server = CC.getServerList().getServer(pos); |
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} |
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|
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Intent i = getIntent(); |
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i.putExtra("org.jsampler.SomeSerializableObject", server); |
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setResult(RESULT_OK, i); |
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finish(); |
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} |
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|
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private void |
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updateButtonStates() { |
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ListView lv = (ListView)findViewById(R.id.choose_backend_list); |
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boolean b = lv.getCheckedItemCount() > 0; |
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((Button)findViewById(R.id.choose_backend_btn_connect)).setEnabled(b); |
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|
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boolean b2 = b && lv.getAdapter().getCount() > 1; |
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((Button)findViewById(R.id.choose_backend_btn_remove)).setEnabled(b2); |
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|
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b2 = b && lv.getCheckedItemPosition() != 0; |
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((Button)findViewById(R.id.choose_backend_btn_up)).setEnabled(b2); |
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b2 = b && lv.getCheckedItemPosition() < lv.getAdapter().getCount() - 1; |
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((Button)findViewById(R.id.choose_backend_btn_down)).setEnabled(b2); |
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} |
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|
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private static JSPrefs |
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preferences() { return CC.getViewConfig().preferences(); } |
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|
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protected Dialog onCreateDialog(int id) { |
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Dialog dialog; |
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switch(id) { |
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case DLG_ADD_BACKEND: |
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dialog = new AddBackendDlg(this); |
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break; |
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default: |
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dialog = null; |
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} |
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return dialog; |
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} |
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|
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@Override |
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protected void |
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onDestroy() { |
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final ListView lv = (ListView)findViewById(R.id.choose_backend_list); |
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((ServerListAdapter)lv.getAdapter()).uninstall(); |
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super.onDestroy(); |
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|
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} |
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} |
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