-/* ownCloud Android client application
+/**
+ * ownCloud Android client application
+ *
+ * @author David A. Velasco
* Copyright (C) 2012 Bartek Przybylski
- * Copyright (C) 2012-2013 ownCloud Inc.
+ * Copyright (C) 2012-2015 ownCloud Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
import android.content.Context;
import android.graphics.Canvas;
import android.util.AttributeSet;
-import android.widget.GridView;
+import android.widget.ListView;
+
+import com.owncloud.android.lib.common.utils.Log_OC;
/**
- * GridView allowing to specify the position of an item that should be top left in the visible area, if possible.
- *
- * The cleanest way I found to overcome the problem due to getHeight() returns 0 until the view is really drawn.
- *
- * @author David A. Velasco
+ * ListView allowing to specify the position of an item that should be centered in the visible area, if possible.
+ *
+ * The cleanest way I found to overcome the problem due to getHeight() returns 0 until the view is really drawn.
*/
-public class ExtendedListView extends GridView {
+public class ExtendedListView extends ListView {
- private int mPositionToSetTopLeft;
+ private static final String TAG = ExtendedListView.class.getSimpleName();
+
+ private int mPositionToSetAndCenter = 0;
public ExtendedListView(Context context) {
super(context);
public ExtendedListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
-
+
/**
* {@inheritDoc}
- *
- *
+ *
+ *
*/
@Override
protected void onDraw (Canvas canvas) {
super.onDraw(canvas);
- if (mPositionToSetTopLeft > 0) {
- this.smoothScrollToPosition(mPositionToSetTopLeft);
- mPositionToSetTopLeft = 0;
+ if (mPositionToSetAndCenter > 0) {
+ Log_OC.v(TAG, "Centering around position " + mPositionToSetAndCenter);
+ this.setSelectionFromTop(mPositionToSetAndCenter, getHeight() / 2);
+ mPositionToSetAndCenter = 0;
}
}
-
+
/**
- * Public method to set the position of the item that should be top left in the visible area of the view.
- *
+ * Public method to set the position of the item that should be centered in the visible area of the view.
+ *
* The position is saved here and checked in onDraw().
- *
- * @param position Position (in the list of items) of the item to be top left in the visible area.
+ *
+ * @param position Position (in the list of items) of the item to center in the visible area.
*/
- public void setSelectionAsTopLeft(int position) {
- mPositionToSetTopLeft = position;
+ public void setAndCenterSelection(int position) {
+ mPositionToSetAndCenter = position;
}
-}
+
+}
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