xy.reflect.ui.util.component.SimpleLayout Maven / Gradle / Ivy

/*******************************************************************************
 * Copyright (C) 2018 OTK Software
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 * 
 * The GNU General Public License allows you also to freely redistribute 
 * the libraries under the same license, if you provide the terms of the 
 * GNU General Public License with them and add the following 
 * copyright notice at the appropriate place (with a link to 
 * http://javacollection.net/reflectionui/ web site when possible).
 ******************************************************************************/
package xy.reflect.ui.util.component;

import java.awt.Component;
import java.awt.Container;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import xy.reflect.ui.util.ReflectionUIError;

public class SimpleLayout extends GridBagLayout {

	protected static final long serialVersionUID = 1L;

	public enum Kind {
		ROW, COLUMN;
	}

	protected Kind kind;
	protected int addedComponentCount = 0;

	public SimpleLayout(Kind kind) {
		this.kind = kind;
	}

	public static void add(Container container, Component component) {
		SimpleLayout simpleLayout = (SimpleLayout) container.getLayout();
		GridBagConstraints gc = new GridBagConstraints();
		gc.weightx = 1.0;
		gc.weighty = 1.0;
		if (simpleLayout.kind == Kind.COLUMN) {
			gc.gridx = 0;
			gc.gridy = simpleLayout.addedComponentCount;
			gc.fill = GridBagConstraints.HORIZONTAL;
		} else if (simpleLayout.kind == Kind.ROW) {
			gc.gridx = simpleLayout.addedComponentCount;
			gc.gridy = 0;
			gc.fill = GridBagConstraints.VERTICAL;
		} else {
			throw new ReflectionUIError();
		}
		int SPACING = 5;
		gc.insets = new Insets(SPACING, SPACING, SPACING, SPACING);
		container.add(component, gc);
		simpleLayout.addedComponentCount++;
	}
}