Mercurial > projects > dwt-linux
annotate dwt/custom/TableTreeEditor.d @ 108:0f12f6bb9739
author notice
author | Frank Benoit <benoit@tionex.de> |
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date | Fri, 18 Jan 2008 21:29:59 +0100 |
parents | 0179b2e17eb2 |
children | f2e04420fd6c |
rev | line source |
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108 | 1 /******************************************************************************* |
102
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2 * Copyright (c) 2000, 2007 IBM Corporation 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 * IBM Corporation - initial API and implementation |
108 | 10 * Port to the D programming language: |
11 * Frank Benoit <benoit@tionex.de> | |
102
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12 *******************************************************************************/ |
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13 module dwt.custom.TableTreeEditor; |
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14 |
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15 |
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16 |
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17 import dwt.DWT; |
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18 import dwt.events.ControlEvent; |
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19 import dwt.events.ControlListener; |
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20 import dwt.events.TreeEvent; |
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21 import dwt.events.TreeListener; |
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22 import dwt.graphics.Rectangle; |
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23 import dwt.widgets.Control; |
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24 import dwt.widgets.Table; |
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25 import dwt.widgets.TableColumn; |
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26 import dwt.custom.ControlEditor; |
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27 import dwt.custom.TableTree; |
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28 import dwt.custom.TableTreeItem; |
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29 |
103 | 30 import dwt.dwthelper.Runnable; |
102
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31 |
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32 /** |
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33 * |
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34 * A TableTreeEditor is a manager for a Control that appears above a cell in a TableTree |
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35 * and tracks with the moving and resizing of that cell. It can be used to display a |
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36 * text widget above a cell in a TableTree so that the user can edit the contents of |
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37 * that cell. It can also be used to display a button that can launch a dialog for |
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38 * modifying the contents of the associated cell. |
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39 * |
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40 * <p> Here is an example of using a TableTreeEditor: |
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41 * <code><pre> |
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42 * final TableTree tableTree = new TableTree(shell, DWT.FULL_SELECTION | DWT.HIDE_SELECTION); |
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43 * final Table table = tableTree.getTable(); |
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44 * TableColumn column1 = new TableColumn(table, DWT.NONE); |
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45 * TableColumn column2 = new TableColumn(table, DWT.NONE); |
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46 * for (int i = 0; i < 10; i++) { |
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47 * TableTreeItem item = new TableTreeItem(tableTree, DWT.NONE); |
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48 * item.setText(0, "item " + i); |
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49 * item.setText(1, "edit this value"); |
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50 * for (int j = 0; j < 3; j++) { |
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51 * TableTreeItem subitem = new TableTreeItem(item, DWT.NONE); |
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52 * subitem.setText(0, "subitem " + i + " " + j); |
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53 * subitem.setText(1, "edit this value"); |
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54 * } |
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55 * } |
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56 * column1.setWidth(100); |
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57 * column2.pack(); |
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58 * |
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59 * final TableTreeEditor editor = new TableTreeEditor(tableTree); |
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60 * //The editor must have the same size as the cell and must |
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61 * //not be any smaller than 50 pixels. |
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62 * editor.horizontalAlignment = DWT.LEFT; |
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63 * editor.grabHorizontal = true; |
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64 * editor.minimumWidth = 50; |
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65 * // editing the second column |
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66 * final int EDITABLECOLUMN = 1; |
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67 * |
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68 * tableTree.addSelectionListener(new SelectionAdapter() { |
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69 * public void widgetSelected(SelectionEvent e) { |
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70 * // Clean up any previous editor control |
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71 * Control oldEditor = editor.getEditor(); |
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72 * if (oldEditor !is null) oldEditor.dispose(); |
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73 * |
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74 * // Identify the selected row |
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75 * TableTreeItem item = (TableTreeItem)e.item; |
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76 * if (item is null) return; |
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77 * |
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78 * // The control that will be the editor must be a child of the Table |
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79 * Text newEditor = new Text(table, DWT.NONE); |
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80 * newEditor.setText(item.getText(EDITABLECOLUMN)); |
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81 * newEditor.addModifyListener(new ModifyListener() { |
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82 * public void modifyText(ModifyEvent e) { |
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83 * Text text = (Text)editor.getEditor(); |
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84 * editor.getItem().setText(EDITABLECOLUMN, text.getText()); |
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85 * } |
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86 * }); |
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87 * newEditor.selectAll(); |
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88 * newEditor.setFocus(); |
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89 * editor.setEditor(newEditor, item, EDITABLECOLUMN); |
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90 * } |
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91 * }); |
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92 * </pre></code> |
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93 * |
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94 * @deprecated As of 3.1 use TreeEditor with Tree, TreeItem and TreeColumn |
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95 */ |
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96 public class TableTreeEditor : ControlEditor { |
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97 TableTree tableTree; |
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98 TableTreeItem item; |
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99 int column = -1; |
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100 ControlListener columnListener; |
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101 TreeListener treeListener; |
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102 /** |
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103 * Creates a TableTreeEditor for the specified TableTree. |
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104 * |
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105 * @param tableTree the TableTree Control above which this editor will be displayed |
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106 * |
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107 */ |
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108 public this (TableTree tableTree) { |
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109 super(tableTree.getTable()); |
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110 this.tableTree = tableTree; |
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111 |
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112 treeListener = new class() TreeListener { |
103 | 113 Runnable runnable; |
114 this() { | |
115 runnable = new class() Runnable { | |
116 public void run() { | |
117 if (editor is null || editor.isDisposed()) return; | |
118 if (this.outer.outer.tableTree.isDisposed()) return; | |
119 layout(); | |
120 editor.setVisible(true); | |
121 } | |
122 }; | |
123 } | |
102
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124 public void treeCollapsed(TreeEvent e) { |
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125 if (editor is null || editor.isDisposed ()) return; |
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126 editor.setVisible(false); |
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127 e.display.asyncExec(runnable); |
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128 } |
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129 public void treeExpanded(TreeEvent e) { |
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130 if (editor is null || editor.isDisposed ()) return; |
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131 editor.setVisible(false); |
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132 e.display.asyncExec(runnable); |
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133 } |
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134 }; |
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135 tableTree.addTreeListener(treeListener); |
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136 |
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137 columnListener = new class() ControlListener { |
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138 public void controlMoved(ControlEvent e){ |
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139 layout (); |
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140 } |
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141 public void controlResized(ControlEvent e){ |
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142 layout (); |
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143 } |
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144 }; |
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145 |
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146 // To be consistent with older versions of DWT, grabVertical defaults to true |
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147 grabVertical = true; |
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package custom, module and imports ok
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148 } |
103 | 149 |
102
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
150 Rectangle computeBounds () { |
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package custom, module and imports ok
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|
151 if (item is null || column is -1 || item.isDisposed() || item.tableItem is null) return new Rectangle(0, 0, 0, 0); |
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package custom, module and imports ok
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152 Rectangle cell = item.getBounds(column); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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153 Rectangle area = tableTree.getClientArea(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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154 if (cell.x < area.x + area.width) { |
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package custom, module and imports ok
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155 if (cell.x + cell.width > area.x + area.width) { |
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package custom, module and imports ok
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156 cell.width = area.x + area.width - cell.x; |
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package custom, module and imports ok
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parents:
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157 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
158 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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159 Rectangle editorRect = new Rectangle(cell.x, cell.y, minimumWidth, minimumHeight); |
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package custom, module and imports ok
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|
160 |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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161 if (grabHorizontal) { |
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package custom, module and imports ok
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162 editorRect.width = Math.max(cell.width, minimumWidth); |
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package custom, module and imports ok
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163 } |
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package custom, module and imports ok
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164 |
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package custom, module and imports ok
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165 if (grabVertical) { |
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package custom, module and imports ok
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166 editorRect.height = Math.max(cell.height, minimumHeight); |
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package custom, module and imports ok
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167 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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168 |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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169 if (horizontalAlignment is DWT.RIGHT) { |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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170 editorRect.x += cell.width - editorRect.width; |
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package custom, module and imports ok
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171 } else if (horizontalAlignment is DWT.LEFT) { |
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package custom, module and imports ok
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172 // do nothing - cell.x is the right answer |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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173 } else { // default is CENTER |
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package custom, module and imports ok
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174 editorRect.x += (cell.width - editorRect.width)/2; |
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package custom, module and imports ok
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175 } |
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package custom, module and imports ok
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176 |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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177 if (verticalAlignment is DWT.BOTTOM) { |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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178 editorRect.y += cell.height - editorRect.height; |
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package custom, module and imports ok
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179 } else if (verticalAlignment is DWT.TOP) { |
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package custom, module and imports ok
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180 // do nothing - cell.y is the right answer |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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181 } else { // default is CENTER |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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182 editorRect.y += (cell.height - editorRect.height)/2; |
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package custom, module and imports ok
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183 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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184 return editorRect; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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diff
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|
185 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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|
186 /** |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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187 * Removes all associations between the TableTreeEditor and the cell in the table tree. The |
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package custom, module and imports ok
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|
188 * TableTree and the editor Control are <b>not</b> disposed. |
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package custom, module and imports ok
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|
189 */ |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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190 public void dispose () { |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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191 if (tableTree !is null && !tableTree.isDisposed()) { |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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192 Table table = tableTree.getTable(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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193 if (table !is null && !table.isDisposed()) { |
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package custom, module and imports ok
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194 if (this.column > -1 && this.column < table.getColumnCount()){ |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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195 TableColumn tableColumn = table.getColumn(this.column); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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|
196 tableColumn.removeControlListener(columnListener); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
197 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
198 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
199 if (treeListener !is null) tableTree.removeTreeListener(treeListener); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
200 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
201 treeListener = null; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
202 columnListener = null; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
203 tableTree = null; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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204 item = null; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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205 column = -1; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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diff
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|
206 super.dispose(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
207 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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|
208 /** |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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209 * Returns the zero based index of the column of the cell being tracked by this editor. |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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|
210 * |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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|
211 * @return the zero based index of the column of the cell being tracked by this editor |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
212 */ |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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213 public int getColumn () { |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
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|
214 return column; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
215 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
216 /** |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
217 * Returns the TableTreeItem for the row of the cell being tracked by this editor. |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
218 * |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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219 * @return the TableTreeItem for the row of the cell being tracked by this editor |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
220 */ |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
221 public TableTreeItem getItem () { |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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222 return item; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
223 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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224 public void setColumn(int column) { |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
225 Table table = tableTree.getTable(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
226 int columnCount = table.getColumnCount(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
227 // Separately handle the case where the table has no TableColumns. |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
228 // In this situation, there is a single default column. |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
229 if (columnCount is 0) { |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
230 this.column = (column is 0) ? 0 : -1; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
231 layout(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
232 return; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
233 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
234 if (this.column > -1 && this.column < columnCount){ |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
235 TableColumn tableColumn = table.getColumn(this.column); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
236 tableColumn.removeControlListener(columnListener); |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
237 this.column = -1; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
238 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
239 |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
240 if (column < 0 || column >= table.getColumnCount()) return; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
241 |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
242 this.column = column; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
243 TableColumn tableColumn = table.getColumn(this.column); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
244 tableColumn.addControlListener(columnListener); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
245 layout(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
246 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
247 public void setItem (TableTreeItem item) { |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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248 this.item = item; |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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249 layout(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
250 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
251 |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
252 /** |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
253 * Specify the Control that is to be displayed and the cell in the table that it is to be positioned above. |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
254 * |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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|
255 * <p>Note: The Control provided as the editor <b>must</b> be created with its parent being the Table control |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
256 * specified in the TableEditor constructor. |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
257 * |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
258 * @param editor the Control that is displayed above the cell being edited |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
259 * @param item the TableItem for the row of the cell being tracked by this editor |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
260 * @param column the zero based index of the column of the cell being tracked by this editor |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
261 */ |
103 | 262 alias ControlEditor.setEditor setEditor; |
102
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
263 public void setEditor (Control editor, TableTreeItem item, int column) { |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
264 setItem(item); |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
265 setColumn(column); |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
266 setEditor(editor); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
267 } |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
268 public void layout () { |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
269 if (tableTree is null || tableTree.isDisposed()) return; |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
270 if (item is null || item.isDisposed()) return; |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
271 Table table = tableTree.getTable(); |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
272 int columnCount = table.getColumnCount(); |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
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273 if (columnCount is 0 && column !is 0) return; |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
274 if (columnCount > 0 && (column < 0 || column >= columnCount)) return; |
12e3e0e477cd
package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
275 super.layout(); |
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
276 } |
103 | 277 |
102
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package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff
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|
278 } |