Android Open Source - listmyaps Template Editor Activity

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License

The source code is released under:

Apache License

Java Source Code

package de.onyxbits.listmyapps;
/*from   w  w w. ja va  2 s  .  c o m*/
import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class TemplateEditorActivity extends Activity implements OnClickListener {

  /**
   * For passing in an format id via intents.
   */
  public static final String EDITID = "editid";

  private static final int PENDING_DELETE = 1;
  private static final int PENDING_INSERT = 2;

  private TemplateData editing;
  private TemplateSource formatsDataSource;
  private int pendingAction;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_template_editor);
    formatsDataSource = new TemplateSource(this);
    formatsDataSource.open();
    try {
      editing = formatsDataSource.get(getIntent().getExtras().getLong(EDITID));
      ((EditText) findViewById(R.id.tmpl_name)).setText(editing.formatName);
      ((EditText) findViewById(R.id.tmpl_header)).setText(editing.header);
      ((EditText) findViewById(R.id.tmpl_item)).setText(editing.item);
      ((EditText) findViewById(R.id.tmpl_footer)).setText(editing.footer);
    }
    catch (Exception e) {
      editing = new TemplateData();
      editing.id = -1;
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.template_editor, menu);
    menu.findItem(R.id.remove).setEnabled(formatsDataSource.list().size() > 1);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case R.id.save: {
        if (toModel()) {
          formatsDataSource.insertOrUpdate(editing);
          finish();
        }
        else {
          Toast.makeText(this, R.string.msg_error_incomplete, Toast.LENGTH_SHORT).show();
        }
        return true;
      }
      case R.id.remove: {
        showDeleteConfirm();
        return true;
      }
      case R.id.variable: {
        showVariableSelector();
        return true;
      }
      case R.id.item_help: {
        Uri uri = Uri.parse(getString(R.string.url_help));
        MainActivity.openUri(this, uri);
      }
    }
    return super.onOptionsItemSelected(item);
  }

  private void showDeleteConfirm() {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle(R.string.title_really_delete);
    builder.setMessage(R.string.msg_this_cannot_be_undone);
    builder.setPositiveButton(android.R.string.ok,this);
    builder.setNegativeButton(android.R.string.cancel,this);
    builder.show();
    pendingAction = PENDING_DELETE;
  }

  private void showVariableSelector() {
    View focus = getWindow().getCurrentFocus();
    if (focus.getId() == R.id.tmpl_name) {
      Toast.makeText(this, R.string.msg_name_does_not_support_variables, Toast.LENGTH_SHORT).show();
      return;
    }

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle(R.string.title_variable_to_insert);
    if (focus.getId() == R.id.tmpl_item) {
      builder.setItems(R.array.templatebodyvars, this);
    }
    if (focus.getId() == R.id.tmpl_footer || focus.getId() == R.id.tmpl_header) {
      builder.setItems(R.array.templateheaderfootervars, this);
    }
    builder.show();
    pendingAction = PENDING_INSERT;
  }

  /**
   * Sync the displayed values to the model
   * 
   * @return true if the model can be saved to the database.
   */
  private boolean toModel() {
    editing.formatName = MainActivity.noNull(((EditText) findViewById(R.id.tmpl_name)).getText()
        .toString());
    editing.header = MainActivity.noNull(((EditText) findViewById(R.id.tmpl_header)).getText()
        .toString());
    editing.item = MainActivity.noNull(((EditText) findViewById(R.id.tmpl_item)).getText()
        .toString());
    editing.footer = MainActivity.noNull(((EditText) findViewById(R.id.tmpl_footer)).getText()
        .toString());

    if (!editing.formatName.equals("") && !editing.item.equals("")) {
      return true;
    }
    return false;
  }

  @Override
  public void onClick(DialogInterface dialog, int which) {
    switch (pendingAction) {
      case PENDING_INSERT: {
        View focus = getWindow().getCurrentFocus();
        if (focus.getId() == R.id.tmpl_item) {
          EditText et = (EditText) focus;
          int start = Math.max(et.getSelectionStart(), 0);
          int end = Math.max(et.getSelectionEnd(), 0);
          String txt = getResources().getStringArray(R.array.templatebodyvars)[which];
          et.getText().replace(Math.min(start, end), Math.max(start, end), txt, 0, txt.length());
        }
        if (focus.getId() == R.id.tmpl_footer || focus.getId() == R.id.tmpl_header) {
          EditText et = (EditText) focus;
          int start = Math.max(et.getSelectionStart(), 0);
          int end = Math.max(et.getSelectionEnd(), 0);
          String txt = getResources().getStringArray(R.array.templateheaderfootervars)[which];
          et.getText().replace(Math.min(start, end), Math.max(start, end), txt, 0, txt.length());
        }
        break;
      }
      case PENDING_DELETE: {
        if (which == DialogInterface.BUTTON_POSITIVE) {
          formatsDataSource.delete(editing.id);
          finish();
        }
        break;
      }
    }
  }
}

Java Source Code List

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