de.fhg.iais.asc.ui.components.panel.LeftLabeledElementJPanel.java Source code

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Here is the source code for de.fhg.iais.asc.ui.components.panel.LeftLabeledElementJPanel.java

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package de.fhg.iais.asc.ui.components.panel;

/******************************************************************************
 * Copyright 2011 (c) Fraunhofer IAIS Netmedia  http://www.iais.fraunhofer.de *
 * ************************************************************************** *
 * 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.                                             *
 ******************************************************************************/

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;

import org.apache.commons.lang.StringUtils;

import de.fhg.iais.asc.ui.i18n.Messages;
import de.fhg.iais.commons.constants.Serial;

public class LeftLabeledElementJPanel extends JPanel {

    private static final long serialVersionUID = Serial.GLOBAL_DEFAULT_SERIAL_VERSION_UID;

    private static final double WEIGHTX_LABEL = 0.1;
    private static final double WEIGHTX_ELEMENT = 0.3;

    private final String prefix;

    private final GridBagConstraints cLabel = new GridBagConstraints();
    private final GridBagConstraints cElement = new GridBagConstraints();

    private JLabel lastLabel;

    public LeftLabeledElementJPanel(String prefix) {
        super(new GridBagLayout());

        this.prefix = (StringUtils.isEmpty(prefix)) ? "" : (prefix + ".");

        this.cLabel.gridx = 0;
        this.cLabel.gridy = 0;
        this.cLabel.weightx = WEIGHTX_LABEL;
        this.cLabel.fill = GridBagConstraints.HORIZONTAL;

        this.cElement.gridx = 1;
        this.cElement.gridwidth = 2;
        this.cElement.gridy = 0;
        this.cElement.weightx = WEIGHTX_ELEMENT;
        this.cElement.fill = GridBagConstraints.HORIZONTAL;
    }

    public <E extends JComponent> E add(String labelName, E element) {
        String labelText = Messages.getString(this.prefix + "Label." + labelName);
        String tooltipText = Messages.getString(this.prefix + "Tooltip." + labelName, null);

        JLabel label = new JLabel(labelText + " ");
        label.setToolTipText(tooltipText);
        this.add(label, this.cLabel);
        ++this.cLabel.gridy;

        element.setToolTipText(tooltipText);
        this.add(element, this.cElement);
        ++this.cElement.gridy;

        this.lastLabel = label;
        return element;
    }

    public <E extends JComponent> E add(String labelName, E element, JButton button) {
        this.cElement.gridx = 2;
        this.cElement.gridwidth = 1;
        this.cElement.weightx = WEIGHTX_LABEL;
        this.add(button, this.cElement);

        this.cElement.gridx = 1;
        this.cElement.weightx = WEIGHTX_ELEMENT - WEIGHTX_LABEL;
        this.add(labelName, element);

        this.cElement.gridwidth = 2;
        this.cElement.weightx = WEIGHTX_ELEMENT;
        return element;
    }

    public JLabel getLastLabel() {
        return this.lastLabel;
    }

}