org.argeo.cms.swt/src/org/argeo/cms/swt/dialogs/SingleValueDialog.java

   1 package org.argeo.cms.swt.dialogs;
   2
   3 import org.eclipse.jface.window.Window;
   4 import org.eclipse.swt.SWT;
   5 import org.eclipse.swt.layout.GridData;
   6 import org.eclipse.swt.widgets.Composite;
   7 import org.eclipse.swt.widgets.Control;
   8 import org.eclipse.swt.widgets.Display;
   9 import org.eclipse.swt.widgets.Shell;
  10 import org.eclipse.swt.widgets.Text;
  11
  12 /** A dialog asking a for a single value. */
  13 public class SingleValueDialog extends CmsMessageDialog {
  14         private Text valueT;
  15         private String value;
  16         private String defaultValue;
  17
  18         public SingleValueDialog(Shell parentShell, String message) {
  19                 super(parentShell, message, QUESTION);
  20         }
  21
  22         public SingleValueDialog(Shell parentShell, String message, String defaultValue) {
  23                 super(parentShell, message, QUESTION);
  24                 this.defaultValue = defaultValue;
  25         }
  26
  27         @Override
  28         protected Control createInputArea(Composite parent) {
  29                 valueT = new Text(parent, SWT.LEAD | SWT.BORDER | SWT.SINGLE);
  30                 valueT.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
  31                 if (defaultValue != null)
  32                         valueT.setText(defaultValue);
  33                 return valueT;
  34         }
  35
  36         @Override
  37         protected void okPressed() {
  38                 value = valueT.getText();
  39                 super.okPressed();
  40         }
  41
  42         public String getString() {
  43                 return value;
  44         }
  45
  46         public Long getLong() {
  47                 return Long.valueOf(getString());
  48         }
  49
  50         public Double getDouble() {
  51                 return Double.valueOf(getString());
  52         }
  53
  54         public static String ask(String message) {
  55                 return ask(message, null);
  56         }
  57
  58         public static String ask(String message, String defaultValue) {
  59                 SingleValueDialog svd = new SingleValueDialog(Display.getCurrent().getActiveShell(), message, defaultValue);
  60                 if (svd.open() == Window.OK)
  61                         return svd.getString();
  62                 else
  63                         return null;
  64         }
  65
  66         public static Long askLong(String message) {
  67                 SingleValueDialog svd = new SingleValueDialog(Display.getCurrent().getActiveShell(), message);
  68                 if (svd.open() == Window.OK)
  69                         return svd.getLong();
  70                 else
  71                         return null;
  72         }
  73
  74         public static Double askDouble(String message) {
  75                 SingleValueDialog svd = new SingleValueDialog(Display.getCurrent().getActiveShell(), message);
  76                 if (svd.open() == Window.OK)
  77                         return svd.getDouble();
  78                 else
  79                         return null;
  80         }
  81
  82 }