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annotate jface/snippets/viewers/Snippet040TableViewerSorting.d @ 146:7c4b76583cb8

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Added new JFace snippets
author Frank Benoit <benoit@tionex.de>
date Mon, 11 Aug 2008 11:17:37 +0200
parents 161f7698cfb8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
87
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1 /*******************************************************************************
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2 * Copyright (c) 2006 Tom Schindl and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * Tom Schindl - initial API and implementation
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10 * Port to the D programming language:
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11 * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ )
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12 *******************************************************************************/
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13 module snippets.viewers.Snippet040TableViewerSorting;
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14
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15 // http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.jface.snippets/Eclipse%20JFace%20Snippets/org/eclipse/jface/snippets/viewers/Snippet040TableViewerSorting.java?view=markup
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16
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17 import dwtx.jface.viewers.CellEditor;
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18 import dwtx.jface.viewers.ColumnLabelProvider;
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19 import dwtx.jface.viewers.ColumnViewer;
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20 import dwtx.jface.viewers.EditingSupport;
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21 import dwtx.jface.viewers.IStructuredContentProvider;
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22 import dwtx.jface.viewers.TableViewer;
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23 import dwtx.jface.viewers.TableViewerColumn;
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24 import dwtx.jface.viewers.TextCellEditor;
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25 import dwtx.jface.viewers.Viewer;
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26 import dwtx.jface.viewers.ViewerComparator;
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27 import dwt.DWT;
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28 import dwt.events.SelectionAdapter;
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29 import dwt.events.SelectionEvent;
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30 import dwt.layout.FillLayout;
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31 import dwt.widgets.Display;
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32 import dwt.widgets.Shell;
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33 import dwt.dwthelper.utils;
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34
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35 version(JIVE) import jive.stacktrace;
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36
87
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37 /**
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38 * Example usage of ViewerComparator in tables to allow sorting
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39 *
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40 * @author Tom Schindl <tom.schindl@bestsolution.at>
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41 *
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42 */
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43
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44 void main(String[] args) {
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45 Snippet040TableViewerSorting.main(args);
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46 }
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47
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48 private class MyContentProvider : IStructuredContentProvider {
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49
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50 public Object[] getElements(Object inputElement) {
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51 return (cast(ArrayWrapperT!(Person)) inputElement).array;
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52 }
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53
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54 public void dispose() {
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55 }
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56
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57 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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58 }
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59
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60 }
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61
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62 public class Person {
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63 public String givenname;
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64 public String surname;
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65 public String email;
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66
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67 public this(String givenname, String surname, String email) {
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68 this.givenname = givenname;
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69 this.surname = surname;
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70 this.email = email;
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71 }
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72
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73 }
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74
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75 protected abstract class AbstractEditingSupport : EditingSupport {
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76 private TextCellEditor editor;
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77
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78 public this(TableViewer viewer) {
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79 super(viewer);
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80 this.editor = new TextCellEditor(viewer.getTable());
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81 }
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82
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83 protected bool canEdit(Object element) {
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84 return true;
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85 }
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86
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87 protected CellEditor getCellEditor(Object element) {
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88 return editor;
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89 }
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90
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91 protected void setValue(Object element, Object value) {
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92 doSetValue(element, value);
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93 getViewer().update(element, null);
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94 }
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95
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96 protected abstract void doSetValue(Object element, Object value);
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97 }
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98
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99 private abstract class ColumnViewerSorter : ViewerComparator {
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100 public static final int ASC = 1;
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101
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102 public static final int NONE = 0;
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103
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104 public static final int DESC = -1;
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105
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106 private int direction = 0;
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107
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108 private TableViewerColumn column;
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109
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110 private ColumnViewer viewer;
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111
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112 public this(ColumnViewer viewer_, TableViewerColumn column_) {
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113 this.column = column_;
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114 this.viewer = viewer_;
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115 this.column.getColumn().addSelectionListener(new class() SelectionAdapter {
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116 public void widgetSelected(SelectionEvent e) {
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117 this.outer.widgetSelected(e);
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118 }
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119 });
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120 }
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121
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122 private void widgetSelected(SelectionEvent e){
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123 if( viewer.getComparator() !is null ) {
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124 if( viewer.getComparator() is this ) {
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125 int tdirection = direction;
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126
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127 if( tdirection is ASC ) {
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128 setSorter(this, DESC);
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129 } else if( tdirection is DESC ) {
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130 setSorter(this, NONE);
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131 }
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132 } else {
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133 setSorter(this, ASC);
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134 }
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135 } else {
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136 setSorter(this, ASC);
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137 }
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138 }
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139 public void setSorter(ColumnViewerSorter sorter, int direction) {
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140 if( direction is NONE ) {
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141 column.getColumn().getParent().setSortColumn(null);
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142 column.getColumn().getParent().setSortDirection(DWT.NONE);
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143 viewer.setComparator(null);
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144 } else {
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145 column.getColumn().getParent().setSortColumn(column.getColumn());
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146 sorter.direction = direction;
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147
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148 if( direction is ASC ) {
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149 column.getColumn().getParent().setSortDirection(DWT.DOWN);
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150 } else {
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151 column.getColumn().getParent().setSortDirection(DWT.UP);
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152 }
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153
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154 if( viewer.getComparator() is sorter ) {
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155 viewer.refresh();
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156 } else {
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157 viewer.setComparator(sorter);
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158 }
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159
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160 }
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161 }
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162
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163 public int compare(Viewer viewer, Object e1, Object e2) {
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164 return direction * doCompare(viewer, e1, e2);
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165 }
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166
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167 protected abstract int doCompare(Viewer viewer, Object e1, Object e2);
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168 }
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169
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170 public class Snippet040TableViewerSorting {
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171
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172
87
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173 public this(Shell shell) {
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parents:
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174 TableViewer v = new TableViewer(shell, DWT.BORDER | DWT.FULL_SELECTION);
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parents:
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175 v.setContentProvider(new MyContentProvider());
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176
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Frank Benoit <benoit@tionex.de>
parents:
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177 TableViewerColumn column = new TableViewerColumn(v, DWT.NONE);
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178 column.getColumn().setWidth(200);
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179 column.getColumn().setText("Givenname");
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parents:
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180 column.getColumn().setMoveable(true);
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Frank Benoit <benoit@tionex.de>
parents:
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181 column.setLabelProvider(new class() ColumnLabelProvider {
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parents:
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182 public String getText(Object element) {
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183 return (cast(Person) element).givenname;
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parents:
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184 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
185 });
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Frank Benoit <benoit@tionex.de>
parents:
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186
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
187 column.setEditingSupport(new class(v) AbstractEditingSupport {
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parents:
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188 public this(TableViewer t ){
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parents:
diff changeset
189 super(t);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
191 protected Object getValue(Object element) {
88
9ed020f0c2a5 Fix the snippet040 example
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diff changeset
192 return new ArrayWrapperString((cast(Person) element).givenname);
87
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diff changeset
193 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
194 protected void doSetValue(Object element, Object value) {
88
9ed020f0c2a5 Fix the snippet040 example
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diff changeset
195 (cast(Person) element).givenname = stringcast(value);
87
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parents:
diff changeset
196 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
197 });
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
198
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
199 ColumnViewerSorter cSorter = new class(v,column) ColumnViewerSorter {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
200 this(TableViewer t, TableViewerColumn c ){
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parents:
diff changeset
201 super(t,c);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
203 protected int doCompare(Viewer viewer, Object e1, Object e2) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204 Person p1 = cast(Person) e1;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
205 Person p2 = cast(Person) e2;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 return p1.givenname.compareToIgnoreCase(p2.givenname);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
207 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
208 };
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
209
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 column = new TableViewerColumn(v, DWT.NONE);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 column.getColumn().setWidth(200);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
212 column.getColumn().setText("Surname");
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
213 column.getColumn().setMoveable(true);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 column.setLabelProvider(new class() ColumnLabelProvider {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
215 public String getText(Object element) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 return (cast(Person) element).surname;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
217 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 });
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
220 column.setEditingSupport(new class(v) AbstractEditingSupport {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 this(TableViewer t ){
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 super(t);
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 protected Object getValue(Object element) {
88
9ed020f0c2a5 Fix the snippet040 example
Frank Benoit <benoit@tionex.de>
parents: 87
diff changeset
225 return stringcast((cast(Person) element).surname);
87
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
226 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
227 protected void doSetValue(Object element, Object value) {
88
9ed020f0c2a5 Fix the snippet040 example
Frank Benoit <benoit@tionex.de>
parents: 87
diff changeset
228 (cast(Person) element).surname = stringcast(value);
87
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
230 });
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
231
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
232 new class(v,column) ColumnViewerSorter {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
233 this(TableViewer t, TableViewerColumn c ){
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 super(t,c);
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 protected int doCompare(Viewer viewer, Object e1, Object e2) {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 Person p1 = cast(Person) e1;
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 Person p2 = cast(Person) e2;
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
239 return p1.surname.compareToIgnoreCase(p2.surname);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
240 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 };
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 column = new TableViewerColumn(v, DWT.NONE);
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
244 column.getColumn().setWidth(200);
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 column.getColumn().setText("E-Mail");
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 column.getColumn().setMoveable(true);
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 column.setLabelProvider(new class() ColumnLabelProvider {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
248 public String getText(Object element) {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
249 return (cast(Person) element).email;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
250 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
251 });
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
252
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
253 column.setEditingSupport(new class(v) AbstractEditingSupport {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
254 this(TableViewer t ){
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
255 super(t);
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
256 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
257 protected Object getValue(Object element) {
88
9ed020f0c2a5 Fix the snippet040 example
Frank Benoit <benoit@tionex.de>
parents: 87
diff changeset
258 return stringcast((cast(Person) element).email);
87
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
259 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
260 protected void doSetValue(Object element, Object value) {
88
9ed020f0c2a5 Fix the snippet040 example
Frank Benoit <benoit@tionex.de>
parents: 87
diff changeset
261 (cast(Person) element).email = stringcast(value);
87
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
262 }
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
263 });
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
264 new class(v,column) ColumnViewerSorter {
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
265 this(TableViewer t, TableViewerColumn c ){
604fa1feb76a Added jface snippet040, thanks to yidabu. It still has compile problems, that need further examination.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
266 super(t,c);
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267 }
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268 protected int doCompare(Viewer viewer, Object e1, Object e2) {
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269 Person p1 = cast(Person) e1;
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270 Person p2 = cast(Person) e2;
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271 return p1.email.compareToIgnoreCase(p2.email);
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272 }
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273 };
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274
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275 Person[] model = createModel();
88
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276 v.setInput( new ArrayWrapperT!(Person)(model));
87
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277 v.getTable().setLinesVisible(true);
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278 v.getTable().setHeaderVisible(true);
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279 cSorter.setSorter(cSorter, ColumnViewerSorter.ASC);
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280 }
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281
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282 private Person[] createModel() {
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283 Person[] elements = new Person[4];
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284 elements[0] = new Person("Tom", "Schindl",
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285 "tom.schindl@bestsolution.at");
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286 elements[1] = new Person("Boris", "Bokowski",
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287 "Boris_Bokowski@ca.ibm.com");
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288 elements[2] = new Person("Tod", "Creasey", "Tod_Creasey@ca.ibm.com");
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289 elements[3] = new Person("Wayne", "Beaton", "wayne@eclipse.org");
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290
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291 return elements;
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292 }
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293
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294 /**
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295 * @param args
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296 */
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297 public static void main(String[] args) {
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298 Display display = new Display();
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299
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300 Shell shell = new Shell(display);
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301 shell.setLayout(new FillLayout());
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302 new Snippet040TableViewerSorting(shell);
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303 shell.open();
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304
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305 while (!shell.isDisposed()) {
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306 if (!display.readAndDispatch())
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307 display.sleep();
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308 }
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309 display.dispose();
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310 }
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311
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312 }