bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/Dialogs.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.browsing.ui.swt;\r
  13 \r
  14 import java.util.function.Consumer;\r
  15 \r
  16 import org.eclipse.core.commands.ExecutionEvent;\r
  17 import org.eclipse.jface.window.Window;\r
  18 import org.eclipse.swt.SWT;\r
  19 import org.eclipse.swt.widgets.DirectoryDialog;\r
  20 import org.eclipse.swt.widgets.Display;\r
  21 import org.eclipse.swt.widgets.FileDialog;\r
  22 import org.eclipse.swt.widgets.Shell;\r
  23 import org.eclipse.ui.handlers.HandlerUtil;\r
  24 import org.simantics.utils.datastructures.UnaryFunction;\r
  25 \r
  26 public class Dialogs {\r
  27 \r
  28         public static <T> void invoke(final UnaryFunction<SimanticsDialog, Shell> function, final Consumer<T> callback) {\r
  29                 \r
  30                 Display.getDefault().asyncExec(new Runnable() {\r
  31 \r
  32                         @SuppressWarnings("unchecked")\r
  33                         @Override\r
  34                         public void run() {\r
  35                                 \r
  36                                 SimanticsDialog dialog = function.call(Display.getCurrent().getActiveShell()); \r
  37                                 \r
  38                                 dialog.open();\r
  39                                 if(Window.CANCEL == dialog.getReturnCode()) callback.accept(null);\r
  40                                 else callback.accept((T)dialog.getSelection());\r
  41                                 \r
  42                         }\r
  43                         \r
  44                 });\r
  45                 \r
  46         }\r
  47         \r
  48         public static String file(Shell shell, int style, String extension) {\r
  49 \r
  50         FileDialog dialog = new FileDialog(shell, style);\r
  51         dialog.setFilterExtensions(new String[] { extension });\r
  52         String newFileName = dialog.open();\r
  53         return newFileName;\r
  54 \r
  55         }\r
  56 \r
  57         public static String directory(Shell shell, int style, String filterPath) {\r
  58 \r
  59         DirectoryDialog dialog = new DirectoryDialog(shell, style);\r
  60         if(filterPath != null) dialog.setFilterPath(filterPath);\r
  61         String newFileName = dialog.open();\r
  62         return newFileName;\r
  63 \r
  64         }\r
  65 \r
  66         public static String file(int style, String extension) {\r
  67                 return file(Display.getDefault().getActiveShell(), style, extension);\r
  68         }\r
  69 \r
  70         public static String file(Shell shell, String extension) {\r
  71                 return file(shell, SWT.OPEN, extension);\r
  72         }\r
  73 \r
  74         public static String file(ExecutionEvent event, String extension) {\r
  75                 return file(HandlerUtil.getActiveShell(event), extension);\r
  76         }\r
  77 \r
  78         public static String file(ExecutionEvent event, int style, String extension) {\r
  79                 return file(HandlerUtil.getActiveShell(event), style, extension);\r
  80         }\r
  81 \r
  82         public static String directory(int style, String filterPath) {\r
  83                 return directory(Display.getDefault().getActiveShell(), style, filterPath);\r
  84         }\r
  85 \r
  86 }\r