InfoPanel.java

/**
 * Copyright Plugtree LLC
 *
 * 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.plugtree.solrmeter.view.component;

import java.awt.Dimension;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;

/**
 * JPanel that shows a label and a value.
 * @author tflobbe
 *
 */
public class InfoPanel extends JPanel implements TwoColumns, Row {
	
	private static final long serialVersionUID = 1153426315441180772L;
	
	private static final int VERTICAL_MARGIN = 3;
	private static final int HORIZONTAL_MARGIN = 2;

	private String label;
	
	private String value;
	
	private JLabel jLabelLabel;
	
	private JLabel jLabelValue;
	
	public InfoPanel(String label) {
		this(label, "");
	}
	
	public InfoPanel(String label, String value) {
		super();
		this.label = label;
		this.value = value;
		this.initGUI();
	}
	
	private void initGUI() {
		this.setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
		this.setBorder(BorderFactory.createEmptyBorder(VERTICAL_MARGIN, HORIZONTAL_MARGIN, VERTICAL_MARGIN, HORIZONTAL_MARGIN));
		
		jLabelLabel = new JLabel(label + ":");
		
		jLabelValue = new JLabel(value);
		
		this.add(jLabelLabel);
		this.add(Box.createHorizontalStrut(TwoColumns.GAP));
		this.add(Box.createHorizontalGlue());
		jLabelValue.setToolTipText(value);
		this.add(jLabelValue);
	}

	public void setValue(String value) {
		this.value = value;
		jLabelValue.setText(value);
		jLabelValue.setToolTipText(value);
	}
	
	@Override
	public int getFirstColumnWidth() {
		return jLabelLabel.getMinimumSize().width;
	}
	
	@Override
	public void setFirstColumnWidth(int width) {
		Dimension d = (Dimension)jLabelLabel.getMinimumSize().clone();
		d.width = width;
		jLabelLabel.setMinimumSize(d);
		jLabelLabel.setPreferredSize(d);
		jLabelLabel.setMaximumSize(d);
	}
	
	@Override
	public Dimension getMaximumSize() {
		Dimension d = new Dimension();
		d.width = super.getMaximumSize().width;		
		d.height = Math.max(jLabelLabel.getMinimumSize().height, jLabelValue.getMinimumSize().height) + 2*VERTICAL_MARGIN;
		return d;
	}

}