bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/dnd/MarkupDialog.java

   1 /*******************************************************************************
   2  * Copyright (c) 2018 Association for Decentralized Information Management
   3  * in 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.modeling.ui.diagramEditor.dnd;
  13
  14 import org.eclipse.jface.dialogs.Dialog;
  15 import org.eclipse.jface.dialogs.IDialogConstants;
  16 import org.eclipse.jface.dialogs.IDialogSettings;
  17 import org.eclipse.jface.layout.GridDataFactory;
  18 import org.eclipse.jface.text.Document;
  19 import org.eclipse.mylyn.wikitext.markdown.MarkdownLanguage;
  20 import org.eclipse.mylyn.wikitext.ui.viewer.MarkupViewer;
  21 import org.eclipse.mylyn.wikitext.ui.viewer.MarkupViewerConfiguration;
  22 import org.eclipse.swt.SWT;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Control;
  25 import org.eclipse.swt.widgets.Shell;
  26 import org.eclipse.swt.widgets.Text;
  27 import org.simantics.modeling.ui.Activator;
  28
  29 /**
  30  * @author Tuukka Lehtonen
  31  * @since 1.37.0
  32  */
  33 class MarkupDialog extends Dialog {
  34
  35     private String title;
  36     private String topText;
  37     private String message;
  38     private int dialogIconType;
  39     private int viewerStyle;
  40     private MarkupViewer viewer;
  41
  42     private IDialogSettings dialogBoundsSettings;
  43
  44     protected MarkupDialog(Shell parentShell, String dialogId, String title, String topText, String message, int dialogIconType, int viewerStyle) {
  45         super(parentShell);
  46         this.title = title;
  47         this.topText = topText;
  48         this.message = message;
  49         this.dialogIconType = dialogIconType;
  50         this.viewerStyle = viewerStyle;
  51         setShellStyle(getShellStyle() | SWT.RESIZE);
  52
  53         IDialogSettings settings = Activator.getDefault().getDialogSettings();
  54         dialogBoundsSettings = settings.getSection(dialogId);
  55         if (dialogBoundsSettings == null)
  56             dialogBoundsSettings = settings.addNewSection(dialogId);
  57     }
  58
  59     @Override
  60     protected IDialogSettings getDialogBoundsSettings() {
  61         return dialogBoundsSettings;
  62     }
  63
  64     @Override
  65     protected void configureShell(Shell newShell) {
  66         super.configureShell(newShell);
  67         newShell.setText(title);
  68         newShell.setImage(newShell.getDisplay().getSystemImage(dialogIconType));
  69     }
  70
  71     @Override
  72     protected Control createDialogArea(Composite parent) {
  73         Composite composite = (Composite) super.createDialogArea(parent);
  74
  75         Text text = new Text(composite, SWT.READ_ONLY | SWT.MULTI | SWT.WRAP);
  76         text.setEditable(false);
  77         text.setText(topText);
  78         GridDataFactory.fillDefaults()
  79         .grab(true, false)
  80         .hint(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH), SWT.DEFAULT)
  81         .applyTo(text);
  82
  83         viewer = new MarkupViewer(composite, null, viewerStyle);
  84         viewer.setMarkupLanguage(new MarkdownLanguage());
  85         viewer.setEditable(false);
  86         MarkupViewerConfiguration configuration = new MarkupViewerConfiguration(viewer, Activator.getDefault().getPreferenceStore());
  87         viewer.configure(configuration);
  88         viewer.setDocument(new Document(message));
  89         GridDataFactory.fillDefaults()
  90         .grab(true, true)
  91         .hint(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH), SWT.DEFAULT)
  92         .applyTo(viewer.getControl());
  93
  94         return composite;
  95     }
  96
  97     protected void createButtonsForButtonBar(Composite parent) {
  98         createButton(parent, IDialogConstants.PROCEED_ID, IDialogConstants.PROCEED_LABEL, true);
  99         createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
 100     }
 101
 102     @Override
 103     protected void buttonPressed(int buttonId) {
 104         if (IDialogConstants.PROCEED_ID == buttonId) {
 105             okPressed();
 106         } else if (IDialogConstants.CANCEL_ID == buttonId) {
 107             cancelPressed();
 108         }
 109     }
 110
 111     public static int open(Shell parent, String dialogId, String title, String topText, String message, int dialogIconType, int dialogStyle, int sourceViewerStyle) {
 112         MarkupDialog dialog = new MarkupDialog(parent, dialogId, title, topText, message, dialogIconType, sourceViewerStyle);
 113         dialogStyle &= SWT.SHEET;
 114         dialog.setShellStyle(dialog.getShellStyle() | dialogStyle);
 115         return dialog.open();
 116     }
 117
 118 }