PoiInspectorActivity.java :  » UnTagged » stevie » de » unikoblenz » west » csxpoi » Android Open Source

package de.unikoblenz.west.csxpoi;

import de.unikoblenz.west.csxpoi.R;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * The activity for inspecting POIs.
 */
public class PoiInspectorActivity extends Activity {

  /**
   * the inspected POI
   */
  private PoiWrapper mPoi = null;

  /**
   * the inspecting user
   */
  private String mUserId = null;

  /**
   * a flag whether the POI has been edited
   */
  private boolean mEditedFlag = false;

  /**
   * the constant representing the POI editor request
   */
  private static final int POI_EDIT_REQUEST = 1;

  /**
   * Called when the activity is started.
   */
  @Override
  protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    requestWindowFeature(Window.FEATURE_NO_TITLE);

    setContentView(R.layout.poi_inspector);

    Bundle extras = getIntent().getExtras();

    mUserId = extras.getString("user");
    mPoi = extras.getParcelable("poi");
    mEditedFlag = false;

    // Edit button:
    final Button editButton = (Button) findViewById(R.id.edit_button);
    if (mUserId != null) {
      editButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
          Intent poiEditorIntent = new Intent(
              PoiInspectorActivity.this, PoiEditorActivity.class);
          poiEditorIntent.putExtra("user", mUserId);
          poiEditorIntent.putExtra("poi", mPoi);
          startActivityForResult(poiEditorIntent, POI_EDIT_REQUEST);
        }
      });
    } else {
      editButton.setEnabled(false);
    }

    // Close button:
    final Button closeButton = (Button) findViewById(R.id.close_button);
    closeButton.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
        Intent resultIntent = new Intent(PoiInspectorActivity.this,
            CsxPoiActivity.class);
        if (mEditedFlag)
          resultIntent.putExtra("poi", mPoi);
        setResult(RESULT_OK, resultIntent);
        finish();
      }
    });
    updateView();
  }

  /**
   * Updates the variable parts of the view.
   */
  private void updateView() {
    final TextView nameView = ((TextView) findViewById(R.id.name));
    nameView.setText(mPoi.getName());

    // event text view
    String eventText = "";
    final TextView eventTextView = (TextView) findViewById(R.id.EventTextView);
    final TextView eventHeading = (TextView) findViewById(R.id.EventHeading);
    if (!mPoi.getStartDate().equals("")) {
      eventText += "from \t"
          + Helpers.formatIsoStringToNiceFormat(mPoi.getStartDate())
          + "\n";
    }
    if (!mPoi.getEndDate().equals("")) {
      eventText += "until \t"
          + Helpers.formatIsoStringToNiceFormat(mPoi.getEndDate());
    }
    if (!eventText.equals("")) {
      eventTextView.setText(eventText);
      eventTextView.setVisibility(View.VISIBLE);
      eventHeading.setVisibility(View.VISIBLE);
    } else {
      eventTextView.setVisibility(View.GONE);
      eventHeading.setVisibility(View.GONE);
    }

    // Categories:
    final LinearLayout categoryItemsContainer = (LinearLayout) findViewById(R.id.category_items_container);
    categoryItemsContainer.removeAllViews();
    for (final CategoryWrapper category : mPoi.getCategories()) {
      final TextView categoryItemView = (TextView) View.inflate(
          PoiInspectorActivity.this, R.layout.category_item, null);
      categoryItemView.setText(category.getName());
      if (mUserId != null) {
        // categoryItemView.setTextColor(Color.rgb(0, 0, 185));
        categoryItemView.setText(Helpers.getUnderlinedString(category
            .getName()));

        categoryItemView.setOnClickListener(new View.OnClickListener() {
          public void onClick(View v) {
            Intent ontologyEditorIntent = new Intent(
                PoiInspectorActivity.this,
                OntologyEditorActivity.class);
            ontologyEditorIntent.putExtra("user", mUserId);
            ontologyEditorIntent.putExtra("uri", category.getUri());
            ontologyEditorIntent.putExtra("name", category
                .getName());
            startActivity(ontologyEditorIntent);
          }
        });
      }
      categoryItemsContainer.addView(categoryItemView);
    }

    if (mPoi.getCategories().isEmpty()) {
      final TextView categoryItemView = (TextView) View.inflate(
          PoiInspectorActivity.this, R.layout.category_item, null);
      categoryItemView.setText("none");
      categoryItemView.setTypeface(Typeface.DEFAULT, Typeface.ITALIC);
      categoryItemsContainer.addView(categoryItemView);
    }
  }

  /**
   * Called when an activity returns a result.
   */
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    Bundle extras = null;
    if (data != null)
      extras = data.getExtras();
    switch (requestCode) {
    case POI_EDIT_REQUEST:
      if (resultCode == RESULT_OK && extras != null) {
        mPoi = extras.getParcelable("poi");
        mEditedFlag = true;
        if (mPoi.selfUpdate()) {
          updateView();
        } else {
          Intent resultIntent = new Intent(PoiInspectorActivity.this,
              CsxPoiActivity.class);
          resultIntent.putExtra("poi", mPoi);
          setResult(RESULT_OK, resultIntent);
          finish();
        }
      }
      break;
    }
  }
}