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