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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
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14 module snippets.viewers.Snippet026TreeViewerTabEditing;
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15
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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.ColumnViewerEditor;
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20 import dwtx.jface.viewers.ColumnViewer;
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21 import dwtx.jface.viewers.ColumnViewerEditorActivationStrategy;
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22 import dwtx.jface.viewers.EditingSupport;
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23 import dwtx.jface.viewers.ColumnViewerEditorActivationEvent;
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24 import dwtx.jface.viewers.FocusCellOwnerDrawHighlighter;
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25 import dwtx.jface.viewers.ITreeContentProvider;
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26 import dwtx.jface.viewers.TextCellEditor;
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27 import dwtx.jface.viewers.TreePath;
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28 import dwtx.jface.viewers.TreeViewerFocusCellManager;
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29 import dwtx.jface.viewers.TreeViewerEditor;
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30 import dwtx.jface.viewers.TreeViewer;
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31 import dwtx.jface.viewers.TreeViewerColumn;
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32 import dwtx.jface.viewers.Viewer;
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33 import dwt.DWT;
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34 import dwt.events.SelectionEvent;
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35 import dwt.events.SelectionListener;
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36 import dwt.layout.FillLayout;
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37 import dwt.widgets.Button;
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38 import dwt.widgets.Display;
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39 import dwt.widgets.Shell;
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40
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41 import dwt.dwthelper.utils;
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42 import dwtx.dwtxhelper.Collection;
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43
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44 import tango.util.Convert;
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45
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46 version(JIVE) import jive.stacktrace;
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47
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48
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49 void main(String[] args) {
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50 Display display = new Display();
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51 Shell shell = new Shell(display);
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52 shell.setLayout(new FillLayout());
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53 new Snippet026TreeViewerTabEditing(shell);
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54 shell.open();
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55
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56 while (!shell.isDisposed()) {
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57 if (!display.readAndDispatch())
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58 display.sleep();
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59 }
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60
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61 display.dispose();
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62 }
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63
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64 /**
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65 * A simple TreeViewer to demonstrate usage
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66 *
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67 * @author Tom Schindl <tom.schindl@bestsolution.at>
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68 *
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69 */
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70 public class Snippet026TreeViewerTabEditing {
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71 public this(Shell shell) {
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72 Button b = new Button(shell,DWT.PUSH);
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73 b.setText("Remove column");
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74 final TreeViewer v = new TreeViewer(shell, DWT.BORDER
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75 | DWT.FULL_SELECTION);
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76 v.getTree().setLinesVisible(true);
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77 v.getTree().setHeaderVisible(true);
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78 b.addSelectionListener(new class(v) SelectionListener {
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79 TreeViewer v;
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80 this(TreeViewer v_)
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81 {
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82 this.v = v_;
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83 }
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84 public void widgetDefaultSelected(SelectionEvent e) {
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85
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86 }
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87
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88 public void widgetSelected(SelectionEvent e) {
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89 v.getTree().getColumn(1).dispose();
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90 }
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91
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92 });
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93
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94 TreeViewerFocusCellManager focusCellManager = new TreeViewerFocusCellManager(v,new FocusCellOwnerDrawHighlighter(v));
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95 ColumnViewerEditorActivationStrategy actSupport = new class(v) ColumnViewerEditorActivationStrategy {
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96 this(ColumnViewer v_)
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97 {
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98 super(v_);
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99 }
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100 protected bool isEditorActivationEvent(
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101 ColumnViewerEditorActivationEvent event) {
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102 return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
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103 || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
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104 || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == DWT.CR)
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105 || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
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106 }
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107 };
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108
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109 TreeViewerEditor.create(v, focusCellManager, actSupport, ColumnViewerEditor.TABBING_HORIZONTAL
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110 | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
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111 | ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION);
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112
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113 final TextCellEditor textCellEditor = new TextCellEditor(v.getTree());
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114
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115 TreeViewerColumn column = new TreeViewerColumn(v, DWT.NONE);
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116 column.getColumn().setWidth(200);
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117 column.getColumn().setMoveable(true);
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118 column.getColumn().setText("Column 1");
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119 column.setLabelProvider(new class() ColumnLabelProvider {
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120
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121 public String getText(Object element) {
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122 return "Column 1 => " ~ element.toString();
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123 }
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124
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125 });
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126 column.setEditingSupport(new class(v) EditingSupport {
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127 this(ColumnViewer v_)
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128 {
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129 super(v_);
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130 }
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131 protected bool canEdit(Object element) {
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132 return false;
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133 }
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134
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135 protected CellEditor getCellEditor(Object element) {
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136 return textCellEditor;
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137 }
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138
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139 protected Object getValue(Object element) {
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140 return stringcast( (to!(String)((cast(MyModel) element).counter)) );
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141 }
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142
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143 protected void setValue(Object element, Object value) {
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144 (cast(MyModel) element).counter = Integer.parseInt(value.toString());
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145 v.update(element, null);
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146 }
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147 });
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148
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149 column = new TreeViewerColumn(v, DWT.NONE);
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150 column.getColumn().setWidth(200);
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151 column.getColumn().setMoveable(true);
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152 column.getColumn().setText("Column 2");
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153 column.setLabelProvider(new class() ColumnLabelProvider {
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154
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155 public String getText(Object element) {
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156 return "Column 2 => " ~ element.toString();
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157 }
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158
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159 });
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160 column.setEditingSupport(new class(v) EditingSupport {
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161 this(ColumnViewer v_)
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162 {
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163 super(v_);
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164 }
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165 protected bool canEdit(Object element) {
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166 return true;
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167 }
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168
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169 protected CellEditor getCellEditor(Object element) {
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170 return textCellEditor;
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171 }
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172
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173 protected Object getValue(Object element) {
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174 return stringcast( to!(String)((cast(MyModel) element).counter) );
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175 }
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176
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177 protected void setValue(Object element, Object value) {
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178 (cast(MyModel) element).counter = Integer.parseInt(value.toString());
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179 v.update(element, null);
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180 }
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181 });
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182
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183 column = new TreeViewerColumn(v, DWT.NONE);
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184 column.getColumn().setWidth(200);
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185 column.getColumn().setMoveable(true);
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186 column.getColumn().setText("Column 3");
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187 column.setLabelProvider(new class() ColumnLabelProvider {
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188 public String getText(Object element) {
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189 return "Column 3 => " ~ element.toString();
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190 }
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191
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192 });
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193 column.setEditingSupport(new class(v) EditingSupport {
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194 this(ColumnViewer v_)
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195 {
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196 super(v_);
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197 }
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198 protected bool canEdit(Object element) {
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199 return true;
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200 }
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201
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202 protected CellEditor getCellEditor(Object element) {
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203 return textCellEditor;
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204 }
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205
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206 protected Object getValue(Object element) {
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207 return stringcast( to!(String)((cast(MyModel) element).counter) );
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208 }
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209
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210 protected void setValue(Object element, Object value) {
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211 (cast(MyModel) element).counter = Integer.parseInt(value.toString());
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212 v.update(element, null);
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213 }
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214 });
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215
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216 v.setContentProvider(new MyContentProvider());
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217
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218 v.setInput(createModel());
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219 }
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220
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221 private MyModel createModel() {
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222
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223 MyModel root = new MyModel(0, null);
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224 root.counter = 0;
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225
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226 MyModel tmp;
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227 MyModel subItem;
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228 for (int i = 1; i < 10; i++) {
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229 tmp = new MyModel(i, root);
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230 root.child.add(tmp);
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231 for (int j = 1; j < i; j++) {
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232 subItem = new MyModel(j, tmp);
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233 subItem.child.add(new MyModel(j * 100, subItem));
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234 tmp.child.add(subItem);
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235 }
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236 }
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237
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238 return root;
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239 }
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240
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241 private class MyContentProvider : ITreeContentProvider {
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242
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243 public Object[] getElements(Object inputElement) {
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244 return (cast(MyModel) inputElement).child.toArray();
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245 }
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246
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247 public void dispose() {
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248 }
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249
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250 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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251 }
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252
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253 public Object[] getChildren(Object parentElement) {
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254 return getElements(parentElement);
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255 }
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256
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257 public Object getParent(Object element) {
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258 if (element is null) {
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259 return null;
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260 }
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261 return (cast(MyModel) element).parent;
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262 }
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263
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264 public bool hasChildren(Object element) {
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265 return (cast(MyModel) element).child.size() > 0;
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266 }
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267
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268 }
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269
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270 public class MyModel {
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271 public MyModel parent;
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272
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273 public ArrayList child;
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274
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275 public int counter;
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276
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277 public this(int counter, MyModel parent) {
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278 this.parent = parent;
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279 this.counter = counter;
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280 child = new ArrayList();
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281 }
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282
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283 public String toString() {
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284 String rv = "Item ";
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285 if (parent !is null) {
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286 rv = parent.toString() ~ ".";
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287 }
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288
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289 rv ~= to!(String)(counter);
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290
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291 return rv;
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292 }
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293 }
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294
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295 }
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