1 /*******************************************************************************
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2 * Copyright (c) 2012 Association for Decentralized Information Management in
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.browsing.ui.swt;
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14 import org.eclipse.jface.resource.ImageDescriptor;
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15 import org.eclipse.jface.resource.JFaceResources;
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16 import org.eclipse.jface.resource.LocalResourceManager;
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17 import org.eclipse.swt.SWT;
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18 import org.eclipse.swt.events.SelectionEvent;
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19 import org.eclipse.swt.events.SelectionListener;
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20 import org.eclipse.swt.graphics.Image;
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21 import org.eclipse.swt.layout.GridData;
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22 import org.eclipse.swt.widgets.Composite;
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23 import org.eclipse.swt.widgets.Control;
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24 import org.eclipse.ui.IWorkbenchSite;
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25 import org.simantics.Simantics;
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26 import org.simantics.browsing.ui.common.ErrorLogger;
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27 import org.simantics.browsing.ui.swt.stubs.BrowsingResource;
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28 import org.simantics.browsing.ui.swt.widgets.Button;
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29 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;
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30 import org.simantics.databoard.Bindings;
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31 import org.simantics.db.ReadGraph;
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32 import org.simantics.db.Resource;
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33 import org.simantics.db.exception.DatabaseException;
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34 import org.simantics.db.management.ISessionContext;
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35 import org.simantics.db.request.Read;
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37 public class ModelledButton implements ModelledControl {
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39 final private Resource configuration;
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41 public ModelledButton(Resource configuration) {
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42 this.configuration = configuration;
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46 public Control create(Composite parent, final IWorkbenchSite site, final ISessionContext context, final WidgetSupport support) throws DatabaseException {
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48 LocalResourceManager resourceManager = new LocalResourceManager(JFaceResources.getResources(), parent);
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50 Button button = new Button(parent, support, SWT.READ_ONLY);
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52 GridData gridData = Simantics.getSession().syncRequest(new Read<GridData>() {
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55 public GridData perform(ReadGraph graph) throws DatabaseException {
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56 BrowsingResource br = BrowsingResource.getInstance(graph);
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57 GridData data = new GridData(SWT.LEFT, SWT.CENTER, false, false);
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58 Integer span = graph.getPossibleRelatedValue(configuration, br.Control_HorizontalSpan, Bindings.INTEGER);
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59 if(span != null) data.horizontalSpan = span;
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60 Boolean grabExcessHorizontalSpace = graph.getPossibleRelatedValue(configuration, br.Control_HorizontalGrab, Bindings.BOOLEAN);
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61 if(grabExcessHorizontalSpace != null) data.grabExcessHorizontalSpace = grabExcessHorizontalSpace;
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67 button.setLayoutData(gridData);
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69 String text = Simantics.getSession().syncRequest(new Read<String>() {
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72 public String perform(ReadGraph graph) throws DatabaseException {
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73 BrowsingResource br = BrowsingResource.getInstance(graph);
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74 return graph.getPossibleRelatedValue(configuration, br.Button_Text);
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79 if(text != null) button.setText(text);
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81 String tooltip = Simantics.getSession().syncRequest(new Read<String>() {
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84 public String perform(ReadGraph graph) throws DatabaseException {
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85 BrowsingResource br = BrowsingResource.getInstance(graph);
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86 return graph.getPossibleRelatedValue(configuration, br.Button_Tooltip);
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91 if(tooltip != null) button.setTooltipText(tooltip);
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93 ModelledIcon icon = Simantics.getSession().syncRequest(new Read<ModelledIcon>() {
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96 public ModelledIcon perform(ReadGraph graph) throws DatabaseException {
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97 BrowsingResource br = BrowsingResource.getInstance(graph);
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98 Resource icon = graph.getPossibleObject(configuration, br.Button_Icon);
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99 if(icon == null) return null;
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100 else return graph.adapt(icon, ModelledIcon.class);
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106 ImageDescriptor iconDescriptor = icon.create();
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107 if (iconDescriptor != null) {
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108 Image image = resourceManager.createImage(iconDescriptor);
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109 button.setImage(image);
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111 ErrorLogger.defaultLogWarning("Could not load icon " + icon, null);
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115 ModelledAction modelledAction = Simantics.getSession().syncRequest(new Read<ModelledAction>() {
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118 public ModelledAction perform(ReadGraph graph) throws DatabaseException {
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119 BrowsingResource br = BrowsingResource.getInstance(graph);
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120 Resource action = graph.getPossibleObject(configuration, br.Button_Action);
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121 if(action == null) return null;
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122 return graph.adapt(action, ModelledAction.class);
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127 final Runnable actionRunnable = modelledAction != null ? modelledAction.create(site, context, support) : null;
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129 button.addSelectionListener(new SelectionListener() {
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132 public void widgetSelected(SelectionEvent e) {
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133 if(actionRunnable != null) actionRunnable.run();
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137 public void widgetDefaultSelected(SelectionEvent e) {
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143 return button.getWidget();
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