bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/componentTypeEditor/ComponentTypeViewer.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 java.util.ArrayList;
  15
  16 import org.eclipse.jface.dialogs.IMessageProvider;
  17 import org.eclipse.jface.resource.JFaceResources;
  18 import org.eclipse.jface.resource.LocalResourceManager;
  19 import org.eclipse.jface.resource.ResourceManager;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.events.SelectionAdapter;
  22 import org.eclipse.swt.events.SelectionEvent;
  23 import org.eclipse.swt.layout.FormAttachment;
  24 import org.eclipse.swt.layout.FormData;
  25 import org.eclipse.swt.layout.FormLayout;
  26 import org.eclipse.swt.widgets.Composite;
  27 import org.eclipse.swt.widgets.Sash;
  28 import org.eclipse.ui.forms.IMessageManager;
  29 import org.eclipse.ui.forms.widgets.Form;
  30 import org.eclipse.ui.forms.widgets.FormToolkit;
  31 import org.osgi.framework.BundleContext;
  32 import org.osgi.framework.InvalidSyntaxException;
  33 import org.osgi.framework.ServiceReference;
  34 import org.simantics.Simantics;
  35 import org.simantics.databoard.Bindings;
  36 import org.simantics.databoard.binding.Binding;
  37 import org.simantics.databoard.type.Datatype;
  38 import org.simantics.db.ReadGraph;
  39 import org.simantics.db.Resource;
  40 import org.simantics.db.common.NamedResource;
  41 import org.simantics.db.exception.DatabaseException;
  42 import org.simantics.db.procedure.Listener;
  43 import org.simantics.db.request.Read;
  44 import org.simantics.layer0.Layer0;
  45 import org.simantics.modeling.ui.Activator;
  46 import org.simantics.modeling.utils.ComponentTypePropertiesResult;
  47 import org.simantics.modeling.utils.ComponentTypeViewerPropertyInfo;
  48 import org.simantics.utils.ui.ErrorLogger;
  49 import org.simantics.utils.ui.SWTUtils;
  50
  51 public class ComponentTypeViewer {
  52
  53     ComponentTypeViewerData data;
  54
  55     ResourceManager resourceManager;
  56
  57     ArrayList<ComponentTypeViewerSection> sections = new ArrayList<ComponentTypeViewerSection>(3);
  58
  59     public ComponentTypeViewer(Composite parent, Resource _componentType, String formTitle) {
  60         // Form
  61         FormToolkit tk = new FormToolkit(parent.getDisplay());
  62         Form form = tk.createForm(parent);
  63         tk.decorateFormHeading(form);
  64         resourceManager = new LocalResourceManager(JFaceResources.getResources(), form);
  65         form.setText(formTitle);
  66         form.setImage(resourceManager.createImage(Activator.COMPONENT_TYPE_ICON));
  67         {
  68             FormLayout layout = new FormLayout();
  69             layout.marginBottom = 10;
  70             layout.marginTop = 10;
  71             layout.marginLeft = 10;
  72             layout.marginRight = 10;
  73             form.getBody().setLayout(layout);
  74         }
  75
  76         // Data
  77         data = new ComponentTypeViewerData(tk, _componentType, form);
  78
  79         // Sections
  80
  81         sections.add(new ConfigurationPropertiesSection(data));
  82         sections.add(new DerivedPropertiesSection(data));
  83
  84         BundleContext bundleContext = Activator.getContext();
  85         try {
  86             ArrayList<ComponentTypeViewerSectionFactory> factories =
  87                     Simantics.getSession().syncRequest(new Read<ArrayList<ComponentTypeViewerSectionFactory>>() {
  88                         @Override
  89                         public ArrayList<ComponentTypeViewerSectionFactory> perform(
  90                                 ReadGraph graph) throws DatabaseException {
  91                             ArrayList<ComponentTypeViewerSectionFactory> factories =
  92                                     new ArrayList<ComponentTypeViewerSectionFactory>(3);
  93                             try {
  94                                 String className = ComponentTypeViewerSectionFactory.class.getName();
  95                                 ServiceReference<?>[] references = bundleContext.getAllServiceReferences(className, null);
  96                                 if(references != null)
  97                                     for(ServiceReference<?> reference : references) {
  98                                         ComponentTypeViewerSectionFactory factory = (ComponentTypeViewerSectionFactory)bundleContext.getService(reference);
  99                                         if(factory.doesSupport(graph, _componentType))
 100                                             factories.add(factory);
 101                                     }
 102                             } catch (InvalidSyntaxException e) {
 103                                 e.printStackTrace();
 104                             }
 105                             return factories;
 106                         }
 107                     });
 108             for(ComponentTypeViewerSectionFactory factory : factories)
 109                 sections.add(factory.create(data));
 110         } catch(DatabaseException e) {
 111             e.printStackTrace();
 112         }
 113
 114         sections.sort((a,b) -> { return Double.compare(a.getPriority(), b.getPriority()); });
 115
 116         // Sashes
 117
 118         Sash[] sashes = new Sash[sections.size()-1];
 119         for(int i=0;i<sections.size()-1;++i) {
 120             Sash sash = new Sash(form.getBody(), SWT.HORIZONTAL);
 121             sash.setBackground(sash.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 122             {
 123                 FormData data = new FormData();
 124                 data.top = new FormAttachment(100*(i+1)/sections.size(), 0);
 125                 data.left = new FormAttachment(0, 0);
 126                 data.right = new FormAttachment(100, 0);
 127                 data.height = 10;
 128                 sash.setLayoutData(data);
 129             }
 130             sash.addSelectionListener(new SelectionAdapter() {
 131                 public void widgetSelected(SelectionEvent e) {
 132                     sash.setBounds(e.x, e.y, e.width, e.height);
 133                     FormData data = new FormData();
 134                     data.top = new FormAttachment(0, e.y);
 135                     data.left = new FormAttachment(0, 0);
 136                     data.right = new FormAttachment(100, 0);
 137                     data.height = 10;
 138                     sash.setLayoutData(data);
 139                     form.getBody().layout(true);
 140                 }
 141             });
 142             sashes[i] = sash;
 143         }
 144         for(int i=0;i<sections.size();++i) {
 145             {
 146                 FormData formData = new FormData();
 147                 formData.top = i > 0 ? new FormAttachment(sashes[i-1]) : new FormAttachment(0, 0);
 148                 formData.left = new FormAttachment(0, 0);
 149                 formData.right = new FormAttachment(100, 0);
 150                 formData.bottom = i < sections.size()-1
 151                         ? new FormAttachment(sashes[i]) : new FormAttachment(100, 0);
 152                 sections.get(i).getSection().setLayoutData(formData);
 153             }
 154         }
 155
 156         // Listening
 157         createGraphListener();
 158     }
 159
 160     private void createGraphListener() {
 161         Simantics.getSession().asyncRequest(new ComponentTypePropertiesResultRequest(this.data.componentType, this.sections), new Listener<ComponentTypePropertiesResult>() {
 162             @Override
 163             public void execute(final ComponentTypePropertiesResult result) {
 164                 SWTUtils.asyncExec(data.form.getDisplay(), new Runnable() {
 165                     @Override
 166                     public void run() {
 167                         // Store loaded properties
 168                         data.properties = result.getProperties().toArray(new ComponentTypeViewerPropertyInfo[result.getProperties().size()]);
 169                         data.connectionPoints = result.getConnectionPoints().toArray(new NamedResource[result.getConnectionPoints().size()]);
 170
 171                         for(ComponentTypeViewerSection section : sections)
 172                             section.update(result);
 173                         setReadOnly(result.isImmutable());
 174                     }
 175                 });
 176             }
 177
 178             @Override
 179             public void exception(Throwable t) {
 180                 ErrorLogger.defaultLogError(t);
 181             }
 182
 183             @Override
 184             public boolean isDisposed() {
 185                 return data.form.isDisposed();
 186             }
 187
 188         });
 189     }
 190
 191     public void setFocus() {
 192         data.form.setFocus();
 193     }
 194
 195     /**
 196      * @param readOnly
 197      * @thread SWT
 198      */
 199     private void setReadOnly(boolean readOnly) {
 200         if (readOnly == data.readOnly)
 201             return;
 202         data.readOnly = readOnly;
 203         for(ComponentTypeViewerSection section : sections)
 204             section.setReadOnly(readOnly);
 205         IMessageManager mm = data.form.getMessageManager();
 206         if (readOnly)
 207             mm.addMessage("readonly", Messages.ComponentTypeViewer_OpenedInReadOnly, null, IMessageProvider.INFORMATION); //$NON-NLS-1$
 208         else
 209             mm.removeMessage("readonly"); //$NON-NLS-1$
 210     }
 211
 212 }