1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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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.modeling.actions;
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14 import org.eclipse.jface.dialogs.Dialog;
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15 import org.eclipse.jface.dialogs.IDialogConstants;
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16 import org.eclipse.jface.dialogs.IDialogSettings;
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17 import org.eclipse.jface.viewers.ArrayContentProvider;
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18 import org.eclipse.jface.viewers.DoubleClickEvent;
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19 import org.eclipse.jface.viewers.IDoubleClickListener;
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20 import org.eclipse.jface.viewers.ISelection;
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21 import org.eclipse.jface.viewers.ISelectionChangedListener;
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22 import org.eclipse.jface.viewers.IStructuredSelection;
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23 import org.eclipse.jface.viewers.LabelProvider;
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24 import org.eclipse.jface.viewers.SelectionChangedEvent;
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25 import org.eclipse.jface.viewers.StructuredSelection;
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26 import org.eclipse.jface.viewers.TableViewer;
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27 import org.eclipse.jface.viewers.Viewer;
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28 import org.eclipse.jface.viewers.ViewerSorter;
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29 import org.eclipse.swt.SWT;
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30 import org.eclipse.swt.graphics.Image;
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31 import org.eclipse.swt.graphics.Point;
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32 import org.eclipse.swt.layout.GridData;
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33 import org.eclipse.swt.widgets.Button;
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34 import org.eclipse.swt.widgets.Composite;
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35 import org.eclipse.swt.widgets.Control;
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36 import org.eclipse.swt.widgets.Label;
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37 import org.eclipse.swt.widgets.Shell;
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38 import org.simantics.db.common.NamedResource;
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39 import org.simantics.ui.internal.Activator;
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40 import org.simantics.utils.strings.AlphanumComparator;
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44 * @author Tuukka Lehtonen
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46 public class NavigationTargetChooserDialog extends Dialog {
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48 private static final String DIALOG = "NavigationTargetChooserDialog"; //$NON-NLS-1$
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50 private final NamedResource[] options;
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52 private final String title;
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54 private final String description;
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56 private NamedResource selected;
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58 private TableViewer viewer;
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60 private IDialogSettings dialogBoundsSettings;
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62 public NavigationTargetChooserDialog(Shell parent, NamedResource[] options, String title, String description) {
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64 this.options = options;
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66 this.description = description;
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68 IDialogSettings settings = Activator.getDefault().getDialogSettings();
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69 dialogBoundsSettings = settings.getSection(DIALOG);
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70 if (dialogBoundsSettings == null)
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71 dialogBoundsSettings = settings.addNewSection(DIALOG);
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75 protected IDialogSettings getDialogBoundsSettings() {
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76 return dialogBoundsSettings;
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80 protected void configureShell(Shell newShell) {
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81 if (title != null) {
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82 newShell.setText(title);
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84 newShell.setText("Choose Navigation Target");
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86 super.configureShell(newShell);
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90 protected int getShellStyle() {
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91 return super.getShellStyle() | SWT.RESIZE;
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95 protected Point getInitialSize() {
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96 Point defaultSize = getShell().computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
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97 Point result = super.getInitialSize();
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98 if (defaultSize.equals(result))
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99 return new Point(400, 500);
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104 protected Control createDialogArea(Composite parent) {
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105 Composite composite = (Composite) super.createDialogArea(parent);
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107 if (description != null) {
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108 Label label = new Label(composite, 0);
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109 label.setText(description);
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110 label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
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113 viewer = new TableViewer(composite, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER | SWT.SINGLE);
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114 viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
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115 viewer.setContentProvider(new ArrayContentProvider());
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116 viewer.setLabelProvider(new TargetLabelProvider());
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117 viewer.setSorter(sorter);
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118 viewer.setInput(options);
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120 viewer.addDoubleClickListener(new IDoubleClickListener() {
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122 public void doubleClick(DoubleClickEvent event) {
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127 viewer.addSelectionChangedListener(new ISelectionChangedListener() {
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129 public void selectionChanged(SelectionChangedEvent event) {
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130 NavigationTargetChooserDialog.this.selectionChanged(event.getSelection());
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134 if (options.length > 0) {
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135 viewer.setSelection(new StructuredSelection(options[0]), true);
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138 applyDialogFont(composite);
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142 private void selectionChanged(ISelection s) {
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143 Button ok = getButton(IDialogConstants.OK_ID);
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144 IStructuredSelection iss = (IStructuredSelection) s;
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145 if (iss == null || iss.isEmpty()) {
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147 ok.setEnabled(false);
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152 ok.setEnabled(true);
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157 protected void okPressed() {
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158 selected = (NamedResource) ((IStructuredSelection) viewer.getSelection()).getFirstElement();
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162 public NamedResource getSelection() {
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166 private final ViewerSorter sorter = new ViewerSorter() {
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168 public int category(Object element) {
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172 public int compare(Viewer viewer, Object e1, Object e2) {
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173 NamedResource a1 = (NamedResource) e1;
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174 NamedResource a2 = (NamedResource) e2;
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175 return AlphanumComparator.CASE_INSENSITIVE_COMPARATOR.compare(a1.getName(), a2.getName());
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179 class TargetLabelProvider extends LabelProvider {
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181 public Image getImage(Object element) {
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186 public String getText(Object element) {
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187 NamedResource a = (NamedResource) element;
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188 return a.getName();
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