Android Open Source - openmidaas-android-app Attribute Expandable List Adapter

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License

The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2013 SecureKey Technologies Inc.
 * // w ww . ja  v  a 2  s  . 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 org.openmidaas.app.activities.ui.list;

import java.util.ArrayList;
import java.util.List;

import org.openmidaas.app.R;
import org.openmidaas.app.common.CategoryManager;
import org.openmidaas.app.common.Utils;
import org.openmidaas.library.model.core.AbstractAttribute;

import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.TextView;

public class AttributeExpandableListAdapter extends BaseExpandableListAdapter {
  
  private Activity mActivity;

  private List<AbstractListCategory> mGroupHeaders = new ArrayList<AbstractListCategory>();
  
  public AttributeExpandableListAdapter(Activity activity) {
    this.mActivity = activity;
  }
  
  /**
   * Reload the data form the category map. 
   */
  @Override
  public void notifyDataSetChanged() {
    this.mGroupHeaders.clear();
    this.mGroupHeaders.addAll(CategoryManager.getMap().values());
    super.notifyDataSetChanged();
  }
  
  @Override
  public Object getChild(int arg0, int arg1) {
    return mGroupHeaders.get(arg0).getList().get(arg1);
  }

  @Override
  public long getChildId(int arg0, int arg1) {
    return arg1;
  }

  @Override
  public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView,
      ViewGroup parent) {
    ChildViewHolder childViewHolder;
    AbstractAttributeListElement listElement = (AbstractAttributeListElement)getChild(groupPosition, childPosition);
    AbstractAttribute<?> attribute = listElement.getAttribute();
    if(convertView == null) {
      LayoutInflater infalInflater = (LayoutInflater) mActivity
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = infalInflater.inflate(R.layout.attribute_list_child_layout, null);
           childViewHolder = new ChildViewHolder();
           childViewHolder.tvAttributeLabel = (TextView)convertView.findViewById(R.id.tvAttributeName);
           childViewHolder.tvAttributeValue = (TextView)convertView.findViewById(R.id.etAttributeValue);
           convertView.setTag(childViewHolder);
    } else {
      childViewHolder = (ChildViewHolder) convertView.getTag();
    }
      
    childViewHolder.tvAttributeLabel.setText("");
    childViewHolder.tvAttributeValue.setText("");
    childViewHolder.tvAttributeLabel.setText(Utils.getAttributeDisplayLabel(attribute));
    if(attribute.getValue() != null) {
      childViewHolder.tvAttributeValue.setText(listElement.getRenderedAttributeValue());
    }
    childViewHolder.tvAttributeValue.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
    switch (attribute.getState()) {
      case PENDING_VERIFICATION:
        childViewHolder.tvAttributeValue.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.warning, 0);
        break;
      case VERIFIED:
        childViewHolder.tvAttributeValue.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.checkmark, 0);
        break;
      default:
        break;
    }
    
    return convertView;
  }

  @Override
  public int getChildrenCount(int arg0) {
    return mGroupHeaders.get(arg0).getList().size();
  }

  @Override
  public Object getGroup(int arg0) {
    return mGroupHeaders.get(arg0);
  }

  @Override
  public int getGroupCount() {
    return mGroupHeaders.size();
  }

  @Override
  public long getGroupId(int arg0) {
    return arg0;
  }

  @Override
    public View getGroupView(final int groupPosition, boolean isExpanded, View convertView,
            ViewGroup parent) {
    GroupViewHolder groupViewHolder;
    final AbstractListCategory category = (AbstractListCategory)getGroup(groupPosition);
        if (convertView == null) {
            LayoutInflater infalInflater = (LayoutInflater) mActivity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = infalInflater.inflate(R.layout.attribute_list_group_layout, null);
            groupViewHolder = new GroupViewHolder();
            groupViewHolder.tvTitle = (TextView)convertView.findViewById(R.id.tvGroupName);
            groupViewHolder.btnAdd = (Button) convertView.findViewById(R.id.btnAddMore);
            convertView.setTag(groupViewHolder);
        } else {
          groupViewHolder = (GroupViewHolder) convertView.getTag();
        }
        
        groupViewHolder.btnAdd.setOnClickListener(new View.OnClickListener() {
      
      @Override
      public void onClick(View v) {
        category.onAddButtonTouch(mActivity);
      }
    });
        groupViewHolder.tvTitle.setText(category.getGroupName().trim());
        return convertView;
    }

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

  @Override
  public boolean isChildSelectable(int arg0, int arg1) {
    return true;
  }
  
  /**
   * 
   * View holder implementation for the group and 
   * child view to support smooth scrolling so as 
   * to avoid finding the view element every time
   * a pass in made through the data set. 
   * For addition info, see:
   * http://developer.android.com/training/improving-layouts/smooth-scrolling.html
   */
  private static class GroupViewHolder {
    TextView tvTitle;
    Button btnAdd;
  }
  
  private static class ChildViewHolder {
    TextView tvAttributeLabel;
    TextView tvAttributeValue;
  }
}

Java Source Code List

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