JMeter example source code file (GuiUtils.java)

This example JMeter source code file (GuiUtils.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

awt, component, component, gui, guiutils, guiutils, jscrollpane, jscrollpane, jtable, jtable, swing, table, tablecellrenderer, tablecellrenderer

The JMeter GuiUtils.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.jorphan.gui;

import java.awt.Component;

import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;

public class GuiUtils {

    /**
     * Create a scroll panel that sets its preferred size to its minimum size.
     * Explicitly for scroll panes that live inside other scroll panes, or
     * within containers that stretch components to fill the area they exist in.
     * Use this for any component you would put in a scroll pane (such as
     * TextAreas, tables, JLists, etc). It is here for convenience and to avoid
     * duplicate code. JMeter displays best if you follow this custom.
     *
     * @param comp
     *            the component which should be placed inside the scroll pane
     * @return a JScrollPane containing the specified component
     */
    public static JScrollPane makeScrollPane(Component comp) {
        JScrollPane pane = new JScrollPane(comp);
        pane.setPreferredSize(pane.getMinimumSize());
        return pane;
    }

    /**
     * Fix the size of a column according to the header text.
     * 
     * @param column to be resized
     * @param table containing the column
     */
    public static void fixSize(TableColumn column, JTable table) {
        TableCellRenderer rndr;
        rndr = column.getHeaderRenderer();
        if (rndr == null){
            rndr = table.getTableHeader().getDefaultRenderer();
        }
        Component c = rndr.getTableCellRendererComponent(
                table, column.getHeaderValue(), false, false, -1, column.getModelIndex());
        int width = c.getPreferredSize().width+10;
        column.setMaxWidth(width);
        column.setPreferredWidth(width);
        column.setResizable(false);        
    }
}