/**
* Utility method to put the given panel in a JDialog. You'll have to show it on your own.
*
* @param panel the panel to put in a dialog
* @param owner the JFrame that owns the dialog. You can pass null.
* @param dialogTitle the title for the dialog
* @param iconPath the path to the dialog's icon, such as foo.png
* @param width the dialog's width. Pass -1 to pack().
* @param height the dialog's height. Pass -1 to pack().
* @return the JDialog the panel is in
*/
public static JDialog putPanelInDialog(
JPanel panel, JFrame owner, String dialogTitle, String iconPath, int width, int height) {
JDialog dialog = new JDialog(owner, dialogTitle, true); // boolean means modality
dialog.add(panel);
dialog.setIconImage(ImageManager.createImageIcon(iconPath).getImage());
if (width < 0 && height < 0) dialog.pack();
else dialog.setSize(width, height);
dialog.setResizable(false);
if (owner != null) Utils.centerComponent(dialog, owner);
else dialog.setLocationRelativeTo(null);
return dialog;
}
/**
* Centers the given component on the user's screen.
*
* @param component a component (usually a frame.)
*/
public static void centerOnScreen(Component component) {
Toolkit toolkit = java.awt.Toolkit.getDefaultToolkit();
Dimension screenSize = toolkit.getScreenSize();
int screenWidth = (int) screenSize.getWidth();
int screenHeight = (int) screenSize.getHeight();
int componentWidth = component.getWidth();
int componentHeight = component.getHeight();
int top = (screenHeight - componentHeight) / 2;
int left = (screenWidth - componentWidth) / 2;
Utils.changeFrameLocation(component, left, top);
}
/**
* Centers the given component in relation to its owner.
*
* @param component the component to center
* @param owner the parent frame
*/
public static void centerComponent(Component component, Component owner) {
// find the difference in width to see the offsets
int widthDifference = owner.getWidth() - component.getWidth();
int heightDifference = owner.getHeight() - component.getHeight();
// we can divide the differences by 2 and add that to the owner's top left
// and then make that the top left of the component
// to center the frame
int leftOffset = widthDifference / 2;
int topOffset = heightDifference / 2;
// these are the new locations
int left = owner.getX() + leftOffset;
int top = owner.getY() + topOffset;
Utils.changeFrameLocation(component, left, top);
}
/**
* Uses a JEditorPane to open the given URL in a dialog
*
* @param url the url to load
* @param title the title of the dialog
* @param frame the parent frame
* @param visible true if you want the dialog to be visible, false if you want it to be invisible
* to user
* @param iconPath the path to the image icon for the dialog.
*/
public static void openURLinDialog(
String url, String title, String iconPath, JFrame frame, boolean visible) {
// create panel with page in it
final int WIDTH = 400;
final int HEIGHT = 300;
JPanel webView = createEditorPane(url, WIDTH, HEIGHT);
// put it in a dialog
JDialog dialog = new JDialog(frame);
dialog.setTitle(title);
dialog.setIconImage(GUI.createImageIcon(iconPath).getImage());
dialog.setContentPane(webView);
dialog.pack();
dialog.setResizable(false);
dialog.setModal(true);
Utils.centerComponent(dialog, frame);
// open it
dialog.setVisible(visible);
}