Android Open Source - poppas_haven Check Box Checker

From Project

Back to project page poppas_haven.

License

The source code is released under:

MIT License

If you think the Android project poppas_haven listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.hssdevelopment.poppas_haven;
//from w  w  w. j a  v  a  2s . com
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;

public class CheckBoxChecker 
{
  //Purpose: Defines an object that keeps an active list of all CheckBoxes
  //checked in an expandable list view. Since expandable list views recycle views
  //function Boolean isChecked(int parent, int child) can be called to verify
  //that the checkbox should or should not be checked. 
  
  //Used to track checked child textboxes. Key is the parent, HashSet contains the 
  //positions of all checked children per parent.
  Map<Integer, HashSet<Integer>> parentMap;
  //Keeps a running list of the text associated with checking a checkbox
  //Ex: Someone checks the option for carmel sauce, add "carmel sauce" 
  //into checkboxData
  ArrayList<String> checkboxData;
  int parentSize;
  
  CheckBoxChecker(int parentSize)
  {
    this.parentSize = parentSize;
    parentMap = new HashMap<Integer, HashSet<Integer>>();
    checkboxData = new ArrayList<String>();
    
  }
  
  //Pre-Condition: Must be used by the same expandable list that
  //created this object. 
  //Post-Condition: Will return true if child CheckBox is actively 
  //selected. To set an active CheckBox call setActiveCheckBox(int parentPosition, int childPosition);
  public boolean isChecked(int parentPosition, int childPosition)
  {
    //Search the child set for given parent for an active CheckBox at that location
    if(parentMap.containsKey(parentPosition))
      return parentMap.get(parentPosition).contains(childPosition);
    else
      return false;
  }
  //Adds active CheckBox to appropriate child list
  public void setActiveCheckBox(int parentPosition, int childPosition)
  {
    if(parentMap.containsKey(parentPosition))
      parentMap.get(parentPosition).add(childPosition);
    else
    {
      HashSet<Integer> hs = new HashSet<Integer>();
      hs.add(childPosition);
      parentMap.put(parentPosition, hs);
    }
  }
  
  //Removes active CheckBox from appropriate child list
  public void disableActiveCheckBox(int parentPosition, int childPosition)
  {
    if(parentMap.containsKey(parentPosition))
      parentMap.get(parentPosition).remove(childPosition);
  }
  
  //Returns reference to CheckBox List Data:
  public ArrayList<String>getCheckBoxData()
  {
    return this.checkboxData;
  }
  
  //Add new data to checkboxData
  public void addCheckBoxData(String data)
  {
    checkboxData.add(data);
  }
  
  //Remove data from list
  public void removeCheckBoxData(String data)
  {
    checkboxData.remove(data);
  }
  
}

Java Source Code List