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

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