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| abstract public class ResultActivity extends ListActivity {
SearchQuery currentQuery = null;
ResultSearch mainResult = null;
List<Map<String, String>> resultList = new ArrayList<Map<String, String>>();
List<Map<String, String>> prepareList = new ArrayList<Map<String, String>>();
boolean searching = false;
boolean hasFocus = false;
final Handler uiThreadCallback = new Handler();
final Runnable runInUIThreadOnScroll = new Runnable() {
public void run() {
onUpdateResultList();
adapter.notifyDataSetChanged();
onUpdateTitle();
getParent().setProgressBarIndeterminateVisibility(false);
searching = false;
}
};
final Runnable runInUIThreadOnResultSearch = new Runnable() {
public void run() {
onUpdateResultList();
adapter.notifyDataSetChanged();
onUpdateTitle();
getParent().setProgressBarIndeterminateVisibility(false);
searching = false;
}
};
private Context context;
private SimpleAdapter adapter;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.ad_list);
context = this;
String[] from = {"id", "name", "locality", "subAdminArea", "category", "date", "price", "image", "urgent"};
int[] to = {R.id.ad_detail_id, R.id.ad_detail_name, R.id.ad_detail_locality, R.id.ad_detail_subadmin_area, R.id.ad_detail_category, R.id.ad_detail_date, R.id.ad_detail_price};
adapter = new SimpleAdapterWithRemoteImage(this.getApplicationContext(), resultList, R.layout.ad_row, from, to);
setListAdapter(adapter);
ListView listView = getListView();
listView.setOnScrollListener(new OnScrollListener() {
int lastItem = 0;
public void onScrollStateChanged(AbsListView view, int scrollState) {
if ( adapter!=null && mainResult!=null && currentQuery!=null && !searching) {
if (lastItem == getListAdapter().getCount() && scrollState == OnScrollListener.SCROLL_STATE_IDLE && adapter.getCount()<mainResult.nbAds) {
searching = true;
getParent().setProgressBarIndeterminateVisibility(true);
new Thread() {
public void run() {
try {
currentQuery.page++;
ResultSearch rs = ProjectService.searchItems(context, currentQuery);
if ( mainResult==null) {
mainResult = rs;
} else if (mainResult.ads==null) {
mainResult.ads = rs.ads;
} else {
mainResult.ads.addAll(rs.ads);
}
prepare(rs);
} catch (ProjectException e) {
currentQuery.page--;
}
uiThreadCallback.post(runInUIThreadOnScroll);
}
}.start();
} else {}
} else {}
}
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
lastItem = firstVisibleItem + visibleItemCount;
}
});
final Intent queryIntent = getIntent();
final String queryAction = queryIntent.getAction();
if (Intent.ACTION_SEARCH.equals(queryAction)) {
doSearchQuery(queryIntent);
} else {}
}
public void onResume() {
super.onResume();
hasFocus = true;
if (searching==false) {
onUpdateTitle();
}
}
public void onPause() {
super.onPause();
hasFocus = false;
}
public void onNewIntent(final Intent newIntent) {
super.onNewIntent(newIntent);
final Intent queryIntent = getIntent();
final String queryAction = queryIntent.getAction();
if (Intent.ACTION_SEARCH.equals(queryAction)) {
doSearchQuery(queryIntent);
} else {}
}
private void doSearchQuery(final Intent queryIntent) {
SearchQuery query = queryIntent.getExtras().getParcelable(SearchResultsActivity.INTENT_EXTRA_SEARCH_QUERY);
query = (SearchQuery)query.clone();
doSearchQuery(query);
}
private void doSearchQuery(SearchQuery query) {
if (mainResult!=null) {
mainResult = null;
resultList.clear();
prepareList.clear();
}
currentQuery = query;
searching = true;
getParent().setProgressBarIndeterminateVisibility(true);
getParent().setTitle(getString(R.string.search_title_processing, currentQuery.search));
new Thread() {
public void run() {
try {
mainResult = ProjectService.searchItems(context, currentQuery);
prepare(mainResult);
} catch ( ProjectException e) {
}
uiThreadCallback.post(runInUIThreadOnResultSearch);
}
}.start();
}
private void onUpdateTitle() {
if ( currentQuery!=null/* && hasWindowFocus()*/ && hasFocus) {
if ( mainResult!=null && mainResult.nbAds>0) {
if ( currentQuery.search!=null && currentQuery.search.length()>0) {
getParent().setTitle(getString(R.string.search_title_result, Math.min(currentQuery.page*ProjectService.SEARCH_PAGE_SIZE, mainResult.nbAds), mainResult.nbAds, currentQuery.search));
} else {
getParent().setTitle(getString(R.string.search_title_result_for_category, Math.min(currentQuery.page*ProjectService.SEARCH_PAGE_SIZE, mainResult.nbAds), mainResult.nbAds));
}
} else {
getParent().setTitle(getString(R.string.search_title_no_results));
}
} else {
getParent().setTitle(getString(R.string.search_query_results));
}
}
private void prepare(ResultSearch rs) {
if ( rs!=null && rs.ads!=null) {
if ( !rs.ads.isEmpty()) {
for (ClassifiedAd classifiedAd : rs.ads) {
if ( classifiedAd!=null) {
Map<String, String> map = new HashMap<String, String>();
map.put("id", classifiedAd.id);
map.put("url", classifiedAd.url);
map.put("name", classifiedAd.name);
map.put("locality", classifiedAd.city);
map.put("subAdminArea", classifiedAd.department);
map.put("category", classifiedAd.category);
map.put("date", classifiedAd.createDate);
map.put("price", classifiedAd.price);
map.put("image", classifiedAd.thumb);
prepareList.add(map);
}
}
}
} else {}
}
private void onUpdateResultList() {
resultList.addAll(prepareList);
prepareList.clear();
}
} |
