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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 *******************************************************************************/
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32
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12 module org.eclipse.jface.snippets.viewers.Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI;
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31
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13
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14
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32
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15 import org.eclipse.jface.action.Action;
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16 import org.eclipse.jface.action.IMenuListener;
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17 import org.eclipse.jface.action.IMenuManager;
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18 import org.eclipse.jface.action.MenuManager;
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19 import org.eclipse.jface.internal.ConfigureColumnsDialog;
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20 import org.eclipse.jface.viewers.CellEditor;
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21 import org.eclipse.jface.viewers.ColumnLabelProvider;
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22 import org.eclipse.jface.viewers.EditingSupport;
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23 import org.eclipse.jface.viewers.IStructuredContentProvider;
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24 import org.eclipse.jface.viewers.TableViewer;
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25 import org.eclipse.jface.viewers.TableViewerColumn;
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26 import org.eclipse.jface.viewers.TextCellEditor;
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27 import org.eclipse.jface.viewers.Viewer;
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28 import org.eclipse.jface.window.SameShellProvider;
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29 import org.eclipse.swt.SWT;
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30 import org.eclipse.swt.events.MouseAdapter;
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31 import org.eclipse.swt.events.MouseEvent;
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32 import org.eclipse.swt.layout.FillLayout;
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33 import org.eclipse.swt.widgets.Display;
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34 import org.eclipse.swt.widgets.Shell;
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35 import java.lang.all;
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36 import org.eclipse.jface.window.IShellProvider;
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31
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37
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38 /**
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39 * Explore the new API added in 3.3 and see how easily you can create reusable
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40 * components
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41 *
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42 * @author Tom Schindl <tom.schindl@bestsolution.at>
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43 * @since 3.2
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44 */
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45 public class Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI {
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46
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47 public class Person {
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48 public String givenname;
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49
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50 public String surname;
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51
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52 public String email;
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53
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54 public this(String givenname, String surname, String email) {
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55 this.givenname = givenname;
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56 this.surname = surname;
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57 this.email = email;
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58 }
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59 }
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60
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61 private class MyContentProvider : IStructuredContentProvider {
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62
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63 public Object[] getElements(Object inputElement) {
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64 return arrayFromObject!(Person)( inputElement );
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65 }
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66
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67 public void dispose() {
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68 }
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69
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70 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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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
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76
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77
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78 private class GivenNameLabelProvider : ColumnLabelProvider {
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79 public String getText(Object element) {
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80 return (cast(Person) element).givenname;
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81 }
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82 }
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83
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84 private class GivenNameEditing : EditingSupport {
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85 private TextCellEditor cellEditor;
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86
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87 public this(TableViewer viewer) {
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88 super(viewer);
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89 cellEditor = new TextCellEditor(viewer.getTable());
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90 }
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91
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92 protected bool canEdit(Object element) {
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93 return true;
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94 }
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95
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96 protected CellEditor getCellEditor(Object element) {
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97 return cellEditor;
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98 }
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99
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100 protected Object getValue(Object element) {
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101 return stringcast((cast(Person) element).givenname);
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102 }
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103
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104 protected void setValue(Object element, Object value) {
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105 (cast(Person) element).givenname = stringcast(value);
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106 getViewer().update(element, null);
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107 }
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108 }
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109
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110 private class SurNameLabelProvider : ColumnLabelProvider {
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111 public String getText(Object element) {
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112 return (cast(Person) element).surname;
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113 }
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114 }
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115
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116 private class SurNameEditing : EditingSupport {
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117 private TextCellEditor cellEditor;
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118
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119 public this( TableViewer viewer ) {
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120 super(viewer);
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121 cellEditor = new TextCellEditor(viewer.getTable());
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122 }
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123
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124 protected bool canEdit(Object element) {
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125 return true;
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126 }
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127
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128 protected CellEditor getCellEditor(Object element) {
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129 return cellEditor;
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130 }
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131
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132 protected Object getValue(Object element) {
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133 return stringcast((cast(Person) element).surname);
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134 }
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135
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136 protected void setValue(Object element, Object value) {
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137 (cast(Person) element).surname = stringcast(value);
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138 getViewer().update(element, null);
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139 }
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140 }
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141
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142 private class EmailLabelProvider : ColumnLabelProvider {
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143 public String getText(Object element) {
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144 return (cast(Person) element).email;
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145 }
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146 }
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147
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148 private class EmailEditing : EditingSupport {
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149 private TextCellEditor cellEditor;
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150
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151 public this( TableViewer viewer ) {
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152 super(viewer);
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153 cellEditor = new TextCellEditor(viewer.getTable());
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154 }
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155
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156 protected bool canEdit(Object element) {
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157 return true;
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158 }
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159
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160 protected CellEditor getCellEditor(Object element) {
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161 return cellEditor;
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162 }
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163
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164 protected Object getValue(Object element) {
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165 return stringcast((cast(Person) element).email);
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166 }
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167
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168 protected void setValue(Object element, Object value) {
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169 (cast(Person) element).email = stringcast(value);
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170 getViewer().update(element, null);
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171 }
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172 }
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173
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174 private int activeColumn = -1;
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175
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176 private TableViewerColumn column;
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177 TableViewer v;
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178 public this(Shell shell) {
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32
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179 v = new TableViewer(shell, SWT.BORDER
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180 | SWT.FULL_SELECTION);
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31
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181
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182 TableViewerColumn column = new TableViewerColumn(v,SWT.NONE);
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31
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183 column.setLabelProvider(new GivenNameLabelProvider());
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184 column.setEditingSupport(new GivenNameEditing(v));
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185
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186 column.getColumn().setWidth(200);
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187 column.getColumn().setText("Givenname");
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188 column.getColumn().setMoveable(true);
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189
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190 column = new TableViewerColumn(v,SWT.NONE);
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31
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191 column.setLabelProvider(new SurNameLabelProvider());
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192 column.setEditingSupport(new SurNameEditing(v));
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193 column.getColumn().setWidth(200);
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194 column.getColumn().setText("Surname");
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195 column.getColumn().setMoveable(true);
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196
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197 Person[] model = createModel();
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198
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199 v.setContentProvider(new MyContentProvider());
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200 v.setInput(new ArrayWrapperObject(model));
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201 v.getTable().setLinesVisible(true);
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202 v.getTable().setHeaderVisible(true);
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203
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204 addMenu();
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205 triggerColumnSelectedColumn();
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206 }
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207
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208 private void triggerColumnSelectedColumn() {
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209 v.getTable().addMouseListener(new class() MouseAdapter {
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210
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211 public void mouseDown(MouseEvent e) {
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212 int x = 0;
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213 for (int i = 0; i < v.getTable().getColumnCount(); i++) {
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214 x += v.getTable().getColumn(i).getWidth();
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215 if (e.x <= x) {
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216 activeColumn = i;
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217 break;
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218 }
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219 }
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220 }
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221
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222 });
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223 }
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224
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225 private void removeEmailColumn() {
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226 column.getColumn().dispose();
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227 v.refresh();
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228 }
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229
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230 private void addEmailColumn(int columnIndex) {
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231 column = new TableViewerColumn(v, SWT.NONE, columnIndex);
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232 column.setLabelProvider(new EmailLabelProvider());
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233 column.setEditingSupport(new EmailEditing(v));
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234 column.getColumn().setText("E-Mail");
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235 column.getColumn().setResizable(false);
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236
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237 v.refresh();
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238
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239 column.getColumn().setWidth(200);
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240
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241 }
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242
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243 private Action insertEmailBefore;
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244 private Action insertEmailAfter;
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245 private Action removeEmail;
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246 private Action configureColumns;
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247
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248 private void addMenu() {
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249 MenuManager mgr = new MenuManager();
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250
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251 insertEmailBefore = new class("Insert E-Mail before") Action {
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252 this(String name){ super(name); }
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253 public void run() {
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254 addEmailColumn(activeColumn);
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255 }
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256 };
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257
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258 insertEmailAfter = new class("Insert E-Mail after") Action {
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259 this(String name){ super(name); }
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260 public void run() {
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261 addEmailColumn(activeColumn + 1);
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262 }
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263 };
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264
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265 removeEmail = new class("Remove E-Mail") Action {
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266 this(String name){ super(name); }
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267 public void run() {
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268 removeEmailColumn();
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269 }
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270 };
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271
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272 configureColumns = new class("Configure Columns...") Action {
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273 this(String name){ super(name); }
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274 public void run() {
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275 // Note: the following is not API!
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276 (new ConfigureColumnsDialog(cast(IShellProvider)new SameShellProvider(v.getControl()), v.getTable())).open();
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277 }
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278 };
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279
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280 mgr.setRemoveAllWhenShown(true);
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281 mgr.addMenuListener(new class() IMenuListener {
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282
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283 public void menuAboutToShow(IMenuManager manager) {
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284 if (v.getTable().getColumnCount() == 2) {
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285 manager.add(insertEmailBefore);
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286 manager.add(insertEmailAfter);
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287 } else {
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288 manager.add(removeEmail);
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289 }
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290 manager.add(configureColumns);
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291 }
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292
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293 });
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294
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295 v.getControl().setMenu(mgr.createContextMenu(v.getControl()));
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296 }
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297
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298 private Person[] createModel() {
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299 Person[] persons = new Person[3];
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300 persons[0] = new Person("Tom", "Schindl", "tom.schindl@bestsolution.at");
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301 persons[1] = new Person("Boris", "Bokowski",
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302 "boris_bokowski@ca.ibm.com");
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303 persons[2] = new Person("Tod", "Creasey", "tod_creasey@ca.ibm.com");
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304
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305 return persons;
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306 }
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307
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308 /**
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309 * @param args
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310 */
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311 public static void main(String[] args) {
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312 Display display = new Display();
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313
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314 Shell shell = new Shell(display);
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315 shell.setLayout(new FillLayout());
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316 new Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI(shell);
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317 shell.open();
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318
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319 while (!shell.isDisposed()) {
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320 if (!display.readAndDispatch())
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321 display.sleep();
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322 }
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323
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324 display.dispose();
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325
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326 }
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327
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328 }
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329
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330 void main(){
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331 Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI.main(null);
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332 }
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333
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334
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