com.dgsd.android.ShiftTracker.Adapter.TemplateAdapter.java Source code

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Here is the source code for com.dgsd.android.ShiftTracker.Adapter.TemplateAdapter.java

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/*
 * Copyright 2013 Daniel Grech
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.dgsd.android.ShiftTracker.Adapter;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.support.v4.widget.SimpleCursorAdapter;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
import android.util.SparseArray;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import com.dgsd.android.ShiftTracker.Data.DbField;
import com.dgsd.android.ShiftTracker.Data.Provider;
import com.dgsd.android.ShiftTracker.Model.Shift;
import com.dgsd.android.ShiftTracker.R;
import com.dgsd.android.ShiftTracker.Service.DbService;
import com.dgsd.android.ShiftTracker.Util.UIUtils;

import java.util.Date;

public class TemplateAdapter extends SimpleCursorAdapter implements SimpleCursorAdapter.ViewBinder {
    private SparseArray<String> mIdToTimeArray;
    private java.text.DateFormat mTimeFormat;

    public TemplateAdapter(Context context) {
        super(context, R.layout.list_item_template, null, new String[] { DbField.ID.name },
                new int[] { R.id.container }, 0);

        this.setViewBinder(this);
        mTimeFormat = DateFormat.getTimeFormat(context);

        //Caching
        mIdToTimeArray = new SparseArray<String>();
    }

    @Override
    public boolean setViewValue(View view, Cursor cursor, int i) {
        ViewHolder holder = (ViewHolder) view.getTag();
        if (holder == null)
            holder = new ViewHolder(view);

        holder.shift = Shift.fromCursor(cursor);
        holder.name.setText(holder.shift.name);
        holder.time.setText(getTimeText(holder.shift));

        if (TextUtils.isEmpty(holder.shift.note)) {
            holder.note.setVisibility(View.GONE);
        } else {
            holder.note.setText(holder.shift.note);
            holder.note.setVisibility(View.VISIBLE);
        }

        final long shiftId = holder.shift.id;
        holder.delete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                final ContentValues values = new ContentValues();
                values.put(DbField.IS_TEMPLATE.name, 0);
                DbService.async_update(mContext, Provider.SHIFTS_URI, DbField.ID + "=" + shiftId, values);
            }
        });

        return true;
    }

    private String getTimeText(Shift shift) {
        String time = mIdToTimeArray.get((int) shift.id);
        if (!TextUtils.isEmpty(time))
            return time;

        time = mTimeFormat.format(new Date(shift.getStartTime())) + " - "
                + mTimeFormat.format(new Date(shift.getEndTime()));

        time += " (" + UIUtils.getDurationAsHours(shift.getDurationInMinutes()) + ")";

        mIdToTimeArray.put((int) shift.id, time);
        return time;
    }

    @Override
    public Cursor swapCursor(Cursor c) {
        clearCaches();
        return super.swapCursor(c);
    }

    private void clearCaches() {
        mIdToTimeArray.clear();
    }

    public static class ViewHolder {
        TextView name;
        TextView time;
        TextView note;
        ImageView delete;

        public Shift shift;

        public ViewHolder(View view) {
            if (view == null)
                return;

            name = (TextView) view.findViewById(R.id.name);
            time = (TextView) view.findViewById(R.id.time);
            note = (TextView) view.findViewById(R.id.note);
            delete = (ImageView) view.findViewById(R.id.delete);

            view.setTag(this);
        }
    }
}