bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/dialogs/InfoDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 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  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.utils.ui.dialogs;
  13
  14 import org.eclipse.jface.dialogs.IDialogConstants;
  15 import org.eclipse.jface.dialogs.IconAndMessageDialog;
  16 import org.eclipse.jface.layout.GridDataFactory;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.graphics.Image;
  19 import org.eclipse.swt.layout.GridData;
  20 import org.eclipse.swt.layout.GridLayout;
  21 import org.eclipse.swt.widgets.Composite;
  22 import org.eclipse.swt.widgets.Control;
  23 import org.eclipse.swt.widgets.Label;
  24 import org.eclipse.swt.widgets.Shell;
  25 import org.eclipse.swt.widgets.Text;
  26
  27 /**
  28  * @author Tuukka Lehtonen
  29  * @since 1.28.0
  30  */
  31 public class InfoDialog extends IconAndMessageDialog {
  32
  33         private String title;
  34         private Text messageText;
  35
  36         protected InfoDialog(Shell parentShell, String title, String message) {
  37                 super(parentShell);
  38                 this.title = title;
  39                 this.message = message;
  40                 setShellStyle(getShellStyle() | SWT.RESIZE);
  41         }
  42
  43         @Override
  44         protected Image getImage() {
  45                 return getInfoImage();
  46         }
  47
  48         @Override
  49         protected void configureShell(Shell newShell) {
  50                 super.configureShell(newShell);
  51                 newShell.setText(title);
  52                 newShell.setImage(newShell.getDisplay().getSystemImage(SWT.ICON_INFORMATION));
  53         }
  54
  55         protected Control createMessageArea(Composite composite) {
  56                 // create image
  57                 Image image = getImage();
  58                 if (image != null) {
  59                         imageLabel = new Label(composite, SWT.NULL);
  60                         image.setBackground(imageLabel.getBackground());
  61                         imageLabel.setImage(image);
  62                         GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.BEGINNING)
  63                         .applyTo(imageLabel);
  64                 }
  65                 // create message
  66                 if (message != null) {
  67                         messageText = new Text(composite, SWT.MULTI | SWT.BORDER | SWT.FLAT | SWT.WRAP | SWT.H_SCROLL | SWT.V_SCROLL);
  68                         messageText.setEditable(false);
  69                         messageText.setText(message);
  70                         GridDataFactory
  71                         .fillDefaults()
  72                         .grab(true, true)
  73                         .hint(
  74                                         convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH),
  75                                         SWT.DEFAULT).applyTo(messageText);
  76                 }
  77                 return composite;
  78         }
  79
  80         protected Control createDialogArea(Composite parent) {
  81                 Composite composite = new Composite(parent, SWT.NONE);
  82
  83                 createMessageArea(composite);
  84
  85                 GridLayout layout = new GridLayout();
  86                 layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
  87                 layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
  88                 layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
  89                 layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
  90                 layout.numColumns = 2;
  91                 composite.setLayout(layout);
  92                 GridData childData = new GridData(GridData.FILL_BOTH);
  93                 childData.horizontalSpan = 2;
  94                 childData.grabExcessVerticalSpace = true;
  95                 composite.setLayoutData(childData);
  96                 applyDialogFont(composite);
  97
  98                 return composite;
  99         }
 100
 101         protected void createButtonsForButtonBar(Composite parent) {
 102                 // create OK button by default
 103                 createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL,
 104                                 true);
 105         }
 106
 107         @Override
 108         protected void buttonPressed(int buttonId) {
 109                 super.buttonPressed(buttonId);
 110         }
 111
 112         public static boolean open(Shell parent, String title, String message, int style) {
 113                 InfoDialog dialog = new InfoDialog(parent, title, message);
 114                 style &= SWT.SHEET;
 115                 dialog.setShellStyle(dialog.getShellStyle() | style);
 116                 return dialog.open() == 0;
 117         }
 118
 119 }