gdx-studio

/*******************************************************************************

 * Copyright 2011 See AUTHORS file.

 * 

 * 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 com.badlogic.gdx.tools.particleeditor;

import java.awt.Dimension;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.BorderFactory;

import javax.swing.JButton;

import javax.swing.JPanel;

import com.badlogic.gdx.graphics.g2d.ParticleEmitter.ScaledNumericValue;

class PercentagePanel extends EditorPanel {

	final ScaledNumericValue value;

	JButton expandButton;

	Chart chart;

	public PercentagePanel (final ScaledNumericValue value, String chartTitle, String name, String description) {

		super(value, name, description);

		this.value = value;

		initializeComponents(chartTitle);

		chart.setValues(value.getTimeline(), value.getScaling());

		expandButton.addActionListener(new ActionListener() {

			public void actionPerformed (ActionEvent event) {

				chart.setExpanded(!chart.isExpanded());

				boolean expanded = chart.isExpanded();

				GridBagLayout layout = (GridBagLayout)getContentPanel().getLayout();

				GridBagConstraints chartConstraints = layout.getConstraints(chart);

				GridBagConstraints expandButtonConstraints = layout.getConstraints(expandButton);

				if (expanded) {

					chart.setPreferredSize(new Dimension(150, 200));

					expandButton.setText("-");

					chartConstraints.weightx = 1;

					expandButtonConstraints.weightx = 0;

				} else {

					chart.setPreferredSize(new Dimension(150, 62));

					expandButton.setText("+");

					chartConstraints.weightx = 0;

					expandButtonConstraints.weightx = 1;

				}

				layout.setConstraints(chart, chartConstraints);

				layout.setConstraints(expandButton, expandButtonConstraints);

				chart.revalidate();

			}

		});

	}

	private void initializeComponents (String chartTitle) {

		JPanel contentPanel = getContentPanel();

		{

			chart = new Chart(chartTitle) {

				public void pointsChanged () {

					value.setTimeline(chart.getValuesX());

					value.setScaling(chart.getValuesY());

				}

			};

			chart.setPreferredSize(new Dimension(150, 62));

			contentPanel.add(chart, new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.WEST, GridBagConstraints.BOTH,

				new Insets(0, 0, 0, 0), 0, 0));

		}

		{

			expandButton = new JButton("+");

			expandButton.setBorder(BorderFactory.createEmptyBorder(4, 10, 4, 10));

			contentPanel.add(expandButton, new GridBagConstraints(1, 0, 1, 1, 1, 0, GridBagConstraints.NORTHWEST,

				GridBagConstraints.NONE, new Insets(0, 6, 0, 0), 0, 0));

		}

	}

}