Android Open Source - BookWorm Expandable List Adapter

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License

The source code is released under:

/** ? 2014, Brandon T. All Rights Reserved. * * This file is part of the BookWorm project. * You may use this file only for your personal, and non-commercial use. * You may not modify or use ...

Java Source Code

/**  ? 2014, Brandon T. All Rights Reserved.
 */*w w w .  j a  v a 2s.  c o  m*/
 *  This file is part of the BookWorm project.
 *  You may use this file only for your personal, and non-commercial use.
 *  You may not modify or use the contents of this file for any purpose (other
 *  than as specified above) without the express written consent of the author.
 *  You may not reproduce, republish, post, transmit, publicly display,
 *  publicly perform, or distribute in print or electronically any of the contents
 *  of this file without express consent of rightful owner.
 *  This notice must be retained in all files and may not be removed.
 *  This License is subject to change at any time without notice/warning.
 *
 *            Author : Brandon T.
 *            Contact: Brandon.T-@Live.com
 */

package com.example.layout;

import java.util.HashMap;
import java.util.List;

import android.content.Context;
import android.graphics.Color;
import android.text.Spanned;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.SimpleExpandableListAdapter;
import android.widget.TextView;

public class ExpandableListAdapter extends BaseExpandableListAdapter {
  private Context context = null;
  private HashMap<ExpandableRow, List<ExpandableRow>> dataList = null;

  public ExpandableListAdapter(Context context, HashMap<ExpandableRow, List<ExpandableRow>> data) {
    this.context = context;
    this.dataList = data;
  }
  
  @Override
  public Object getChild(int groupPosition, int childPosition) {
    return this.dataList.get(this.getGroup(groupPosition)).get(childPosition);
  }

  @Override
  public long getChildId(int groupPosition, int childPosititon) {
    return childPosititon;
  }

  @Override
  public int getChildrenCount(int groupPosition) {
    return this.dataList.get(this.getGroup(groupPosition)).size();
  }

  @Override
  public Object getGroup(int groupPosition) {
    return this.dataList.keySet().toArray()[groupPosition];
  }

  @Override
  public int getGroupCount() {  
    return this.dataList.keySet().size();
  }

  @Override
  public long getGroupId(int groupPosition) {
    return groupPosition;
  }
  
  @Override
  public View getChildView(int groupPosition, final int childPosition, boolean isLastChild, View view, ViewGroup parent) {
    return new ViewHolder(this.context, (ExpandableRow)this.getChild(groupPosition, childPosition));
  }

  @Override
  public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
    return new ViewHolder(this.context, (ExpandableRow)this.getGroup(groupPosition));
  }

  @Override
  public boolean hasStableIds() {
    return false;
  }

  @Override
  public boolean isChildSelectable(int groupPosition, int childPosition) {
    return true;
  }

  private class ViewHolder extends LinearLayout {

    public ViewHolder(Context context, ExpandableRow row) {
      super(context);
      LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(row.getWidth(), row.getHeight());
      params.setMargins(row.getMargins()[0], row.getMargins()[1], row.getMargins()[2], row.getMargins()[3]);  
      this.setBackgroundColor(row.getBackgroundColour());
      
      if (row.getType() == ExpandableRowType.TEXT) {
        TextView view = new TextView(context);
        view.setLines(1);
        view.setTextColor(row.getTextColour());
        view.setBackgroundColor(row.getBackgroundColour());
        view.setText(String.valueOf(row.getValue()));
        view.setTypeface(view.getTypeface(), row.getTextStyle());
        view.setSingleLine(!row.isMultiLine());
        this.addView(view, params);
      } else if (row.getType() == ExpandableRowType.IMAGE) {
        ImageView view = new ImageView(context);
        view.setBackgroundColor(Color.WHITE);
        view.setImageResource((Integer)row.getValue());
        this.addView(view, params);
      } else if (row.getType() == ExpandableRowType.VIEW) {
        this.addView((View)row.getValue(), params);
      } else if (row.getType() == ExpandableRowType.HTML) {
        TextView view = new TextView(context);
        view.setLines(1);
        view.setTextColor(row.getTextColour());
        view.setBackgroundColor(row.getBackgroundColour());
        view.setText((Spanned)row.getValue());
        view.setTypeface(view.getTypeface(), row.getTextStyle());
        view.setSingleLine(!row.isMultiLine());
        this.addView(view, params);
      }
    }
  }
}

Java Source Code List

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