Android Open Source - FreeFlow Default Section Adapter

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License

The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2013 Comcast Cable Communications Management, LLC
 * //from  ww  w.  j av a2s . c o m
 * 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.comcast.freeflow.helpers;

import java.util.ArrayList;

import com.comcast.freeflow.core.FreeFlowItem;
import com.comcast.freeflow.core.Section;
import com.comcast.freeflow.core.SectionedAdapter;
import com.comcast.freeflow.utils.ViewUtils;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.RectShape;
import android.graphics.drawable.shapes.Shape;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.TextView;

public class DefaultSectionAdapter implements SectionedAdapter {

  private ArrayList<Section> sections = new ArrayList<Section>();
  protected Context context;
  protected boolean showHeaders;
  public int headerHeight = 20;
  public int itemHeight = 20;

  public DefaultSectionAdapter(Context context, int headerCount, int itemCount) {
    this(context, headerCount,itemCount, true);
  }
  
  public DefaultSectionAdapter(Context context, int headerCount, int itemCount, boolean showHeaders) {
    this.context = context;
    this.showHeaders = showHeaders;
    setData(headerCount, itemCount);
  }

  public void setData(int headerCount, int itemCount) {
    sections.clear();
    for (int i = 0; i < headerCount; i++) {
      Section s = new Section();
      s.setSectionTitle("Section " + i);
      for (int j = 0; j < itemCount; j++) {
        s.addItem(new Object());
      }
      sections.add(s);
    }

  }

  @Override
  public long getItemId(int section, int position) {
    return section * 1000 + position;
  }

  @Override
  @SuppressWarnings(value = { "deprecation" })
  public View getItemView(int section, int position, View convertView, ViewGroup parent) {
    TextView tv = null;
    if (convertView != null) {
      tv = (TextView) convertView;
    } else {
      tv = new TextView(context);
      RectShape rs = new RectShape();
      ShapeDrawable sd = new  BottomBorderBackground(rs, Color.WHITE, Color.GRAY);
      tv.setBackgroundDrawable(sd);
      tv.setPadding(20, 0, 0, 0);
      tv.setGravity(Gravity.CENTER_VERTICAL);
    }
    tv.setLayoutParams(new LayoutParams(300, itemHeight));
    tv.setText("s" + section + " p" + position);
    return tv;
  }

  @Override
  public View getHeaderViewForSection(int section, View convertView, ViewGroup parent) {
    TextView tv = null;
    if (convertView != null) {
      tv = (TextView) convertView;
    } else {
      tv = new TextView(context);
    }

    tv.setFocusable(false);
    tv.setBackgroundColor(Color.GRAY);
    tv.setLayoutParams(new LayoutParams(300, headerHeight));
    tv.setText("section header" + section);

    return tv;
  }

  @Override
  public int getNumberOfSections() {
    return sections.size();
  }

  @Override
  public Section getSection(int index) {
    if (index < sections.size() && index >= 0)
      return sections.get(index);

    return null;
  }

  public ArrayList<Section> getSections() {
    return sections;
  }

  @Override
  public Class[] getViewTypes() {
    Class[] types = { TextView.class, TextView.class };

    return types;
  }

  @Override
  public Class getViewType(FreeFlowItem proxy) {

    return TextView.class;
  }

  @Override
  public boolean shouldDisplaySectionHeaders() {
    return showHeaders;
  }
  
  public class BottomBorderBackground extends ShapeDrawable {
      private final Paint fillpaint, strokepaint;
   
      public BottomBorderBackground(Shape s, int fill, int stroke) {
          super(s);
          fillpaint = new Paint(this.getPaint());
          fillpaint.setColor(fill);
          strokepaint = new Paint(fillpaint);
          strokepaint.setStyle(Paint.Style.STROKE);
          strokepaint.setStrokeWidth(2);
          strokepaint.setColor(stroke);
      }
   
      @Override
      protected void onDraw(Shape shape, Canvas canvas, Paint paint) {
          shape.draw(canvas, fillpaint);
          canvas.drawLine(0, shape.getHeight(), shape.getWidth(), shape.getHeight(), strokepaint);   
      }
  }

}

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