Android Open Source - AndroidTouchEditableListView Touch Editable Action View

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Back to project page AndroidTouchEditableListView.

License

The source code is released under:

Copyright (c) 2014 Serge Desmedt Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Soft...

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Java Source Code

package be.trojkasoftware.android.toucheditablelistview;
//from ww w .j a  v  a2s .c om
import android.content.Context;
import android.graphics.Paint.Style;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.RectShape;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.MeasureSpec;
import android.widget.AbsListView;
import android.util.Log;

public class TouchEditableActionView extends ViewGroup {

    private static final String TAG = "TouchEditableActionHeaderView";

    public TouchEditableActionView(Context context, int type) {
        super(context);
        
        mType = type;

        setLayoutParams(new AbsListView.LayoutParams(
                ViewGroup.LayoutParams.FILL_PARENT,
                ViewGroup.LayoutParams.WRAP_CONTENT));

//        ShapeDrawable sd1 = new ShapeDrawable(new RectShape());
//        sd1.getPaint().setColor(0xFFFF00FF);
//        sd1.getPaint().setStyle(Style.STROKE);
//        sd1.getPaint().setStrokeWidth(1);        
//        
//        setBackgroundDrawable(sd1);

    }
    
    public void setStretch(int height) {
      if(height != 0)
        mHeight = height;
      else
        mHeight = 0;
    //Log.i(TAG, "Stretch: " + mHeight);
    }
    
    public void setInsertView(View v, double showAtFactor) {
      mShowAtFactor = showAtFactor;
      removeAllViews();
      addView(v);
    }
    
    public boolean isSet() {
      return getChildCount() > 0;
    }
    
    public void reset() {
      removeAllViews();
      mHeight = 0;
      mShowAtFactor = 1.0;
      mShowAtHeight = Integer.MAX_VALUE;
    }
    
    public boolean isInserting() {
      return mIsInserting;
    }

  @Override
  protected void onLayout(boolean arg0, int arg1, int arg2, int arg3, int arg4) {
    //Log.i(TAG, "onLayout");
        final View child = getChildAt(0);
        if(child == null) {
          return;
        }
        if(mShowAtHeight <= mHeight){
          mIsInserting= true;
          if(mType == TYPE_HEADER) {
            child.layout(0, getMeasuredHeight() - child.getMeasuredHeight(), getMeasuredWidth(), getMeasuredHeight());
          }
          else if (mType == TYPE_FOOTER) {
            child.layout(0, 0, getMeasuredWidth(), child.getMeasuredHeight());
          }
        }
        else {
          mIsInserting = false;
          child.layout(0, 0, 0, 0);          
        }
  }
  
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    //Log.i(TAG, "onMeasure: " + mHeight);
        int height = mHeight;
        int width = MeasureSpec.getSize(widthMeasureSpec);
        
        View child = getChildAt(0);
        if(child != null) {
            if (child.isLayoutRequested()) {
                // Always let child be as tall as it wants.
                measureChild(child, widthMeasureSpec,
                        MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
            }
            
            mShowAtHeight = (int)(mShowAtFactor * child.getMeasuredHeight());
        }
        
    setMeasuredDimension(width, height);      
    }
    
    public static int TYPE_ITEM = 0;
    public static int TYPE_FOOTER = 1;
    public static int TYPE_HEADER = 2;
    
    private int mType = TYPE_ITEM;
    
    private int mHeight = 0;
    private double mShowAtFactor = 1.0;
    
    private int mShowAtHeight = Integer.MAX_VALUE;
    
    private boolean mIsInserting = false;
}

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