Android Open Source - ItopMobile Search Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

// Copyright (C) 2011-2013 ITOMIG GmbH
///*from   w ww  . j  av  a  2 s .com*/
//   This file is part of iTopMobile.
//
//   iTopMobile 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.
//
//   iTopMobile 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 iTopMobile. If not, see <http://www.gnu.org/licenses/>

package de.itomig.itoplib;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.webkit.HttpAuthHandler;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import static de.itomig.itoplib.ItopConfig.*;


public class SearchActivity extends Activity {

  private Button btnGo;
  private WebView webview;
  private EditText searchExpr;

  // the following string array should match the arrays in "arrays.xml"
  private String[] catArray = {"FunctionalCI","Person"};
  // these are the corresponding attributes for the WHERE clause in the OQL statement
  private String[] whereArray = {"name","friendlyname"};

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.search_menu, menu);

    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {

    return super.onPrepareOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // switch does not work for library project.
    if (item.getItemId() == R.id.menu_settings) {
      startActivity(new Intent(this, Preferences.class));
      return(true);
    } else if (item.getItemId() == R.id.menu_about) {
      startActivity(new Intent(this, AboutActivity.class));
      return(true);
    } else if (item.getItemId() == R.id.menu_tickets) {
      startActivity(new Intent(this, itopmobileactivity));
      return(true);
    } else {
      return super.onOptionsItemSelected(item);
    }
  }

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // needs to be called before anything else
    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    requestWindowFeature(Window.FEATURE_PROGRESS);

    setContentView(R.layout.search);

    if (debug) Log.i(TAG,this.getLocalClassName()+" onCreate");

    btnGo = (Button) findViewById(R.id.go);
    webview = (WebView)findViewById(R.id.search_result);
    searchExpr = (EditText)findViewById(R.id.search_string);

    final Spinner s = (Spinner) findViewById(R.id.sel_category);
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
        this, R.array.search_category, android.R.layout.simple_spinner_item);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    s.setAdapter(adapter);

    // expression=SELECT+FunctionalCI+WHERE+name+LIKE+'%25SERVER%25'

    btnGo.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        String cat = catArray[s.getSelectedItemPosition()];
        String where = whereArray[s.getSelectedItemPosition()];
        String expr = searchExpr.getText().toString();
        displaySearch(cat,expr,where);
      }
    });

    searchExpr.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        //        String cat = catArray[s.getSelectedItemPosition()];
        //        String where = whereArray[s.getSelectedItemPosition()];
        //        String expr = searchExpr.getText().toString();
        //        displaySearch(cat,expr,where);
      }
    });

  }

  @Override
  protected void onResume() {
    super.onResume();
    if (debug) Log.i(TAG,this.getLocalClassName()+" - onResume");

  }

  @Override
  protected void onPause() {
    super.onPause();
    if (debug) Log.i(TAG,this.getLocalClassName()+" - onPause");

  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_BACK) && webview.canGoBack()) {
      webview.goBack();
      return true;
    }
    return super.onKeyDown(keyCode, event);
  }

  protected void displaySearch(String cat, String searchExpression,String where) {
    setProgressBarIndeterminateVisibility(true);
    setProgressBarVisibility(true);

    if (debug) Log.d(TAG,this.getLocalClassName()+" - searching for "+searchExpression);

    webview.getSettings().setJavaScriptEnabled(true);
    webview.getSettings().setAppCacheEnabled(true);
    webview.getSettings().setBuiltInZoomControls(true);
    webview.getSettings().setDomStorageEnabled(true);
    webview.getSettings().setLoadWithOverviewMode(true);
    webview.getSettings().supportZoom();
    webview.getSettings().setUseWideViewPort(true);
    webview.setInitialScale(100);
    webview.setWebViewClient(new MyWebViewClient());
    
    webview.loadUrl(createSearchUrl(cat,searchExpression,where));

  }

  private static String createSearchUrl(String cat, String searchExpression,String where) {
    // including credentialas
    String creds = ItopConfig.getItopCredentials();
    
    String url1 = "/webservices/export.php?"+ creds +
        "&expression=SELECT%20"+ cat +
        "%20+WHERE+"+where+"+LIKE+'%25"+ searchExpression +"%25'";

    // http://192.168.178.31/itop/webservices/export.php?auth_user=mary&auth_pwd=jane&expression=SELECT%20UserRequest%20WHERE%20status!=%22closed%22%20AND%20status!=%22resolved%22%20&format=csv&fields=priority,title,caller_id_friendlyname,description
    return ItopConfig.getItopUrl()+url1;
  }

  private class MyWebViewClient extends WebViewClient {
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
      setProgressBarIndeterminateVisibility(true);
      setProgressBarVisibility(true);
      String url1 = url+ItopConfig.getItopCredentials();
      Log.d(TAG,"Search: trying to load from webview: "+url1);
      view.getSettings().setJavaScriptEnabled(true);
      view.getSettings().setAppCacheEnabled(true);
      view.getSettings().setBuiltInZoomControls(true);
      view.getSettings().setDomStorageEnabled(true);
      view.getSettings().setLoadWithOverviewMode(true);
      view.getSettings().supportZoom();
      view.getSettings().setUseWideViewPort(true);
      webview.setInitialScale(100);
      view.loadUrl(url1);
      return true;
    }

    public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
      // Toast.makeText(activity, "ERROR! ", Toast.LENGTH_SHORT).show();
      String loading = "<html><body>ERROR:<br />"+description+"</body></html>";
      webview.loadData(loading, "text/html", null);
      if (debug) Log.d(TAG,"Search:  Error: "+description);
    }



    public void onPageFinished(WebView view, String url) {
      if (debug) Log.d(TAG,"Search: page finished.");
      setProgressBarIndeterminateVisibility(false);
      setProgressBarVisibility(false);

    }

    @Override
    public void onReceivedHttpAuthRequest(WebView view,
        HttpAuthHandler handler, String host, String realm) {
      // will only work (i.e. will be called if auth needed) if iTop "form"-authentication is switched off in config-itop.php
      //     !!!
      if (debug)  Log.d(TAG,"Search: Received AuthRequest");
      //handler.proceed(login,password);  

    }


  }
}

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