ExpandableHeightGridView.java

/**
 * Odoo, Open Source Management Solution
 * Copyright (C) 2012-today Odoo SA (<http:www.odoo.com>)
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http:www.gnu.org/licenses/>
 * 
 */
package com.odoo.core.utils.controls;

import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.GridView;

public class ExpandableHeightGridView extends GridView {

	boolean expanded = false;

	public ExpandableHeightGridView(Context context) {
		super(context);
	}

	public ExpandableHeightGridView(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	public ExpandableHeightGridView(Context context, AttributeSet attrs,
			int defStyle) {
		super(context, attrs, defStyle);
	}

	public boolean isExpanded() {
		return expanded;
	}

	@Override
	public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
		if (isExpanded()) {
			int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK,
					MeasureSpec.AT_MOST);
			super.onMeasure(widthMeasureSpec, expandSpec);

			ViewGroup.LayoutParams params = getLayoutParams();
			params.height = getMeasuredHeight();
		} else {
			super.onMeasure(widthMeasureSpec, heightMeasureSpec);
		}
	}

	public void setExpanded(boolean expanded) {
		this.expanded = expanded;
	}
}