Android Open Source - notes Note Labels Dialog

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License

The source code is released under:

DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE Version 2, December 2004 Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> Everyone is permitted to copy and distribute verbatim or...

Java Source Code

package com.iliakplv.notes.gui.main.dialogs;
/*from  w  ww  . ja  va2s  . c o  m*/
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.FragmentManager;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.TextView;

import com.iliakplv.notes.NotesApplication;
import com.iliakplv.notes.R;
import com.iliakplv.notes.notes.Label;
import com.iliakplv.notes.notes.NotesUtils;

import java.io.Serializable;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class NoteLabelsDialog extends AbstractItemDialog {

  private static final String FRAGMENT_TAG = "note_labels_dialog";

  private static final String EXTRA_SELECTED_LABELS = "selected_labels";
  private boolean[] selectedLabels;
  private boolean fromSavedInstanceState = false;

  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    if (savedInstanceState != null) {
      selectedLabels = savedInstanceState.getBooleanArray(EXTRA_SELECTED_LABELS);
      fromSavedInstanceState = true;
    }

    final NoteLabelsListAdapter labelsAdapter = new NoteLabelsListAdapter(id);
    return new AlertDialog.Builder(activity)
        .setTitle(NotesUtils.getTitleForNoteInDialog(storage.getNote(id)))
        .setAdapter(labelsAdapter, null)
        .setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            labelsAdapter.applyNoteLabelsChanges();
          }
        })
        .setNegativeButton(R.string.common_cancel, null)
        .create();
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putBooleanArray(EXTRA_SELECTED_LABELS, selectedLabels);
  }

  public static void show(FragmentManager fragmentManager, Serializable noteId) {
    final NoteLabelsDialog dialog = new NoteLabelsDialog();
    dialog.setArguments(createArgumentsBundle(noteId));
    dialog.show(fragmentManager, FRAGMENT_TAG);
  }


  /**
   * ******************************************
   *
   * Inner classes
   *
   * *******************************************
   */

  private class NoteLabelsListAdapter extends ArrayAdapter<Label> {

    private final int[] labelsColors;

    private final Serializable noteId;
    private final List<Label> allLabels;
    private final boolean[] currentLabels;

    public NoteLabelsListAdapter(Serializable noteId) {
      super(activity, 0, storage.getAllLabels());
      labelsColors = getResources().getIntArray(R.array.label_colors);

      this.noteId = noteId;
      this.allLabels = storage.getAllLabels();

      final Set<Serializable> currentNoteLabelsIds = storage.getLabelsIdsForNote(noteId);
      currentLabels = new boolean[allLabels.size()];
      for (int i = 0; i < currentLabels.length; i++) {
        currentLabels[i] = currentNoteLabelsIds.contains(allLabels.get(i).getId());
      }
      if (!fromSavedInstanceState) {
        selectedLabels = Arrays.copyOf(currentLabels, currentLabels.length);
      }
    }

    @Override
    public int getCount() {
      return allLabels.size();
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
      final View view;
      if (convertView != null) {
        view = convertView;
      } else {
        view = LayoutInflater.from(getContext()).inflate(R.layout.label_list_item_checkbox, parent, false);
      }

      final View color = view.findViewById(R.id.label_color);
      final TextView name = (TextView) view.findViewById(R.id.label_name);

      final Label label = allLabels.get(position);
      name.setText(NotesUtils.getTitleForLabel(label));
      color.setBackgroundColor(labelsColors[label.getColor()]);

      final CheckBox checkBox = (CheckBox) view.findViewById(R.id.checkbox);
      checkBox.setChecked(selectedLabels[position]);
      checkBox.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
          selectedLabels[position] = ((CheckBox) v).isChecked();
        }
      });

      return view;
    }

    public void applyNoteLabelsChanges() {
      final Set<Serializable> labelsIdsToAdd = new HashSet<Serializable>();
      final Set<Serializable> labelsIdsToDelete = new HashSet<Serializable>();

      for (int i = 0; i < allLabels.size(); i++) {
        final Serializable labelId = allLabels.get(i).getId();
        if (!currentLabels[i] && selectedLabels[i]) {
          labelsIdsToAdd.add(labelId);
        } else if (currentLabels[i] && !selectedLabels[i]) {
          labelsIdsToDelete.add(labelId);
        }
      }

      NotesApplication.executeInBackground(new Runnable() {
        @Override
        public void run() {
          for (Serializable labelId : labelsIdsToDelete) {
            storage.deleteLabelFromNote(noteId, labelId);
          }
          for (Serializable labelId : labelsIdsToAdd) {
            storage.insertLabelToNote(noteId, labelId);
          }
        }
      });
    }
  }
}

Java Source Code List

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