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/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-present, by David Gilbert and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
*/
package org.jfree.chart.ui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Rectangle;
import java.awt.Window;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;
/**
* A collection of utility methods relating to user interfaces.
*/
public class UIUtils {
private UIUtils() {
}
/**
* Positions the specified frame in the middle of the screen.
*
* @param frame the frame to be centered on the screen.
*/
public static void centerFrameOnScreen(Window frame) {
positionFrameOnScreen(frame, 0.5, 0.5);
}
/**
* Positions the specified frame at a relative position in the screen, where 50% is considered
* to be the center of the screen.
*
* @param frame the frame.
* @param horizontalPercent the relative horizontal position of the frame (0.0 to 1.0,
* where 0.5 is the center of the screen).
* @param verticalPercent the relative vertical position of the frame (0.0 to 1.0, where
* 0.5 is the center of the screen).
*/
public static void positionFrameOnScreen(Window frame,
double horizontalPercent, double verticalPercent) {
Rectangle s = frame.getGraphicsConfiguration().getBounds();
Dimension f = frame.getSize();
int w = Math.max(s.width - f.width, 0);
int h = Math.max(s.height - f.height, 0);
int x = (int) (horizontalPercent * w) + s.x;
int y = (int) (verticalPercent * h) + s.y;
frame.setBounds(x, y, f.width, f.height);
}
/**
* Positions the specified frame at a random location on the screen while ensuring that the
* entire frame is visible (provided that the frame is smaller than the screen).
*
* @param frame the frame.
*/
public static void positionFrameRandomly(Window frame) {
positionFrameOnScreen(frame, Math.random(), Math.random());
}
/**
* Positions the specified dialog within its parent.
*
* @param dialog the dialog to be positioned on the screen.
*/
public static void centerDialogInParent(Dialog dialog) {
positionDialogRelativeToParent(dialog, 0.5, 0.5);
}
/**
* Positions the specified dialog at a position relative to its parent.
*
* @param dialog the dialog to be positioned.
* @param horizontalPercent the relative location.
* @param verticalPercent the relative location.
*/
public static void positionDialogRelativeToParent(Dialog dialog,
double horizontalPercent, double verticalPercent) {
Container parent = dialog.getParent();
if (parent == null) {
centerFrameOnScreen(dialog);
return;
}
Dimension d = dialog.getSize();
Dimension p = parent.getSize();
int baseX = parent.getX();
int baseY = parent.getY();
int x = baseX + (int) (horizontalPercent * p.width);
int y = baseY + (int) (verticalPercent * p.height);
// make sure the dialog fits completely on the screen...
Rectangle s = parent.getGraphicsConfiguration().getBounds();
Rectangle r = new Rectangle(x, y, d.width, d.height);
dialog.setBounds(r.intersection(s));
}
/**
* Creates a panel that contains a table based on the specified table model.
*
* @param model the table model to use when constructing the table.
*
* @return The panel.
*/
public static JPanel createTablePanel(TableModel model) {
JPanel panel = new JPanel(new BorderLayout());
JTable table = new JTable(model);
for (int columnIndex = 0; columnIndex < model.getColumnCount(); columnIndex++) {
TableColumn column = table.getColumnModel().getColumn(columnIndex);
Class c = model.getColumnClass(columnIndex);
if (c.equals(Number.class)) {
column.setCellRenderer(new NumberCellRenderer());
}
}
panel.add(new JScrollPane(table));
return panel;
}
/**
* Creates a label with a specific font.
*
* @param text the text for the label.
* @param font the font.
*
* @return The label.
*/
public static JLabel createJLabel(String text, Font font) {
JLabel result = new JLabel(text);
result.setFont(font);
return result;
}
/**
* Creates a label with a specific font and color.
*
* @param text the text for the label.
* @param font the font.
* @param color the color.
*
* @return The label.
*/
public static JLabel createJLabel(String text, Font font, Color color) {
JLabel result = new JLabel(text);
result.setFont(font);
result.setForeground(color);
return result;
}
/**
* Creates a {@link JButton}.
*
* @param label the label.
* @param font the font.
*
* @return The button.
*/
public static JButton createJButton(String label, Font font) {
JButton result = new JButton(label);
result.setFont(font);
return result;
}
}
