bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/SCLModuleViewer.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.modeling.ui.componentTypeEditor;
  13
  14 import org.eclipse.jface.layout.GridDataFactory;
  15 import org.eclipse.jface.layout.GridLayoutFactory;
  16 import org.eclipse.jface.resource.JFaceResources;
  17 import org.eclipse.jface.resource.LocalResourceManager;
  18 import org.eclipse.jface.resource.ResourceManager;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.events.DisposeEvent;
  21 import org.eclipse.swt.events.DisposeListener;
  22 import org.eclipse.swt.events.SelectionAdapter;
  23 import org.eclipse.swt.events.SelectionEvent;
  24 import org.eclipse.swt.layout.FillLayout;
  25 import org.eclipse.swt.widgets.Button;
  26 import org.eclipse.swt.widgets.Composite;
  27 import org.eclipse.ui.forms.widgets.Form;
  28 import org.eclipse.ui.forms.widgets.FormToolkit;
  29 import org.eclipse.ui.forms.widgets.Section;
  30 import org.simantics.Simantics;
  31 import org.simantics.databoard.Bindings;
  32 import org.simantics.databoard.binding.Binding;
  33 import org.simantics.databoard.type.Datatype;
  34 import org.simantics.db.ReadGraph;
  35 import org.simantics.db.Resource;
  36 import org.simantics.db.WriteGraph;
  37 import org.simantics.db.common.request.ResourceRead;
  38 import org.simantics.db.common.request.WriteRequest;
  39 import org.simantics.db.exception.DatabaseException;
  40 import org.simantics.db.procedure.Listener;
  41 import org.simantics.layer0.Layer0;
  42 import org.simantics.modeling.ui.Activator;
  43 import org.simantics.scl.ui.editor.SCLTextEditorNew;
  44 import org.simantics.utils.ui.ErrorLogger;
  45 import org.simantics.utils.ui.SWTUtils;
  46
  47 public class SCLModuleViewer {
  48
  49     ResourceManager resourceManager;
  50
  51     Resource componentType;
  52
  53     SCLTextEditorNew code;
  54
  55     Form form;
  56     FormToolkit tk;
  57
  58     public SCLModuleViewer(Composite parent, Resource _componentType, String formTitle) {
  59         this.componentType = _componentType;
  60
  61         tk = new FormToolkit(parent.getDisplay());
  62         form = tk.createForm(parent);
  63         tk.decorateFormHeading(form);
  64
  65         resourceManager = new LocalResourceManager(JFaceResources.getResources(), form);
  66         form.setText(formTitle);
  67         form.setImage(resourceManager.createImage(Activator.COMPONENT_TYPE_ICON));
  68
  69         GridLayoutFactory.fillDefaults().margins(10, 10).applyTo(form.getBody());
  70
  71         // Table
  72
  73         Section codeSection = tk.createSection(form.getBody(), Section.TITLE_BAR | Section.EXPANDED);
  74         codeSection.setLayout(new FillLayout());
  75         GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(codeSection);
  76         codeSection.setText(Messages.SCLModuleViewer_Code);
  77
  78         Composite codeSectionBody = tk.createComposite(codeSection);
  79         GridLayoutFactory.fillDefaults().numColumns(1).applyTo(codeSectionBody);
  80         codeSection.setClient(codeSectionBody);
  81
  82         Composite codeButtons = tk.createComposite(codeSectionBody);
  83         GridDataFactory.fillDefaults().applyTo(codeButtons);
  84         GridLayoutFactory.fillDefaults().applyTo(codeButtons);
  85
  86         Button applyChanges = tk.createButton(codeButtons, Messages.SCLModuleViewer_ApplyChanges, SWT.PUSH);
  87
  88         code = new SCLTextEditorNew(codeSectionBody, 0);
  89
  90         GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(code);
  91
  92
  93         GridDataFactory.fillDefaults().applyTo(applyChanges);
  94
  95         applyChanges.addSelectionListener(new SelectionAdapter() {
  96             @Override
  97             public void widgetSelected(SelectionEvent e) {
  98
  99                 final String text = code.getContent();
 100
 101                 Simantics.getSession().async(new WriteRequest() {
 102                     @Override
 103                     public void perform(WriteGraph graph)
 104                             throws DatabaseException {
 105                         Layer0 L0 = Layer0.getInstance(graph);
 106                         graph.claimLiteral(componentType, L0.SCLModule_definition, text, Bindings.STRING);
 107                     }
 108                 });
 109
 110             }
 111         });
 112
 113 //        Section section = tk.createSection(form.getBody(), Section.TITLE_BAR | Section.EXPANDED);
 114 //        section.setLayout(new FillLayout());
 115 //        GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(section);
 116 //        section.setText("Problems");
 117
 118         Simantics.getSession().asyncRequest(new ResourceRead<String>(componentType) {
 119             @Override
 120             public String perform(ReadGraph graph) throws DatabaseException {
 121                 Layer0 L0 = Layer0.getInstance(graph);
 122                 return graph.getPossibleRelatedValue(resource, L0.SCLModule_definition, Bindings.STRING);
 123             }
 124         }, new Listener<String>() {
 125             @Override
 126             public void execute(final String text) {
 127                 SWTUtils.asyncExec(code, new Runnable() {
 128                     @Override
 129                     public void run() {
 130
 131                         if (code.isDisposed())
 132                             return;
 133
 134                         code.setContent(text, null);
 135
 136                     }
 137                 });
 138             }
 139
 140             @Override
 141             public void exception(Throwable t) {
 142                 ErrorLogger.defaultLogError(t);
 143             }
 144
 145             @Override
 146             public boolean isDisposed() {
 147                 return code.isDisposed();
 148             }
 149
 150         });
 151
 152         // Disposing
 153
 154         code.addDisposeListener(new DisposeListener() {
 155             @Override
 156             public void widgetDisposed(DisposeEvent e) {
 157                 tk.dispose();
 158             }
 159         });
 160
 161     }
 162
 163     protected Datatype getPossibleDatatype(ReadGraph graph, Resource literal) throws DatabaseException {
 164         Binding binding = Bindings.getBindingUnchecked(Datatype.class);
 165         for (Resource dataTypeResource : graph.getObjects(literal, Layer0.getInstance(graph).HasDataType)) {
 166             Datatype dt = graph.getPossibleValue(dataTypeResource, binding);
 167             if (dt != null)
 168                 return dt;
 169         }
 170         return null;
 171     }
 172
 173     public void setFocus() {
 174         if(code != null && !code.isDisposed())
 175             code.setFocus();
 176     }
 177
 178 }