net.java.dev.designgridlayout.CenterRow Maven / Gradle / Ivy

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DesignGridLayout is a Swing LayoutManager that helps developers build always good looking dialogs through a very easy-to-use API, without any need for a graphical GUI designer.

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//  Copyright 2005-2013 Jason Aaron Osgood, Jean-Francois Poilpret
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package net.java.dev.designgridlayout;

final class CenterRow extends AbstractNonGridRow
{
	@Override protected int xOffset(int rowWidth, int usedWidth)
	{
		return (rowWidth - usedWidth) / 2;
	}

	@Override protected int leftFiller(int count, int width, int availableWidth)
	{
		int fillers = (count > 1 ? 2 : 1);
		return (availableWidth - (count - fillers) * width) / fillers;
	}

	@Override protected int rightFiller(int count, int width, int availableWidth)
	{
		int fillers = (count > 1 ? 2 : 1);
		int rightFiller = (availableWidth - (count - fillers) * width) / fillers;
		if (((availableWidth - (count - fillers) * width) % fillers) > 0)
		{
			rightFiller++;
		}
		return rightFiller;
	}
}