/
ListViewItem.java
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/
ListViewItem.java
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package com.example.listviewdraganddrop.listview;
import com.example.listviewdraganddrop.R;
import android.content.ClipData;
import android.content.Context;
import android.graphics.Bitmap;
import android.util.AttributeSet;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.view.DragEvent;
import android.view.View;
import android.view.View.*;
public class ListViewItem extends LinearLayout implements OnDragListener, OnLongClickListener {
private ListViewData data;
private ListViewAdapter adapter;
private TextView textData;
private Context context;
private boolean containsDragable;
public ListViewItem(Context context, AttributeSet attrs) {
super(context, attrs);
setOnDragListener(this);
setOnLongClickListener(this);
this.context = context;
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
textData = (TextView)findViewById(R.id.textView1);
}
@Override
public boolean onDrag(View view, DragEvent dragEvent) {
int dragAction = dragEvent.getAction();
ListViewItem lView = (ListViewItem) view;
ListViewItem dragView = (ListViewItem) dragEvent.getLocalState();
if (dragAction == DragEvent.ACTION_DRAG_EXITED) {
containsDragable = false;
} else if (dragAction == DragEvent.ACTION_DRAG_ENTERED) {
containsDragable = true;
} else if (dragAction == DragEvent.ACTION_DRAG_ENDED) {
if (dropEventNotHandled(dragEvent)) {
dragView.setVisibility(View.VISIBLE);
}
} else if (dragAction == DragEvent.ACTION_DROP && containsDragable) {
adapter.replace(lView.getData(), dragView.getData());
}
return true;
}
private boolean dropEventNotHandled(DragEvent dragEvent) {
return !dragEvent.getResult();
}
@Override
public boolean onLongClick(View view) {
ClipData clipData = ClipData.newPlainText("", "");
View.DragShadowBuilder dsb = new View.DragShadowBuilder(view);
view.startDrag(clipData, dsb, view, 0);
// view.setVisibility(View.INVISIBLE);
return true;
}
public ListViewData getData() {
return data;
}
public void setData(ListViewData data)
{
this.data = data;
textData.setText(data.getText());
}
public ListViewAdapter getAdapter() {
return adapter;
}
public void setAdapter(ListViewAdapter adapter) {
this.adapter = adapter;
}
}