Mercurial > projects > dwt-mac
annotate dwt/custom/TableCursor.d @ 5:1a8b3cb347e0
Fix Ctors to 'this'
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 27 Aug 2008 14:02:31 +0200 |
parents | 380af2bdd8e5 |
children | 6337764516f1 |
rev | line source |
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0
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1 /******************************************************************************* |
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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 |
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10 *******************************************************************************/ |
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11 module dwt.custom; |
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12 |
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13 import dwt.*; |
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14 import dwt.graphics.*; |
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15 import dwt.widgets.*; |
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16 import dwt.events.*; |
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17 |
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18 /** |
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19 * A TableCursor provides a way for the user to navigate around a Table |
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20 * using the keyboard. It also provides a mechanism for selecting an |
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21 * individual cell in a table. |
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22 * |
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23 * <p> Here is an example of using a TableCursor to navigate to a cell and then edit it. |
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24 * |
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25 * <code><pre> |
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26 * public static void main(String[] args) { |
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27 * Display display = new Display(); |
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28 * Shell shell = new Shell(display); |
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29 * shell.setLayout(new GridLayout()); |
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30 * |
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31 * // create a a table with 3 columns and fill with data |
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32 * final Table table = new Table(shell, DWT.BORDER | DWT.MULTI | DWT.FULL_SELECTION); |
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33 * table.setLayoutData(new GridData(GridData.FILL_BOTH)); |
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34 * TableColumn column1 = new TableColumn(table, DWT.NONE); |
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35 * TableColumn column2 = new TableColumn(table, DWT.NONE); |
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36 * TableColumn column3 = new TableColumn(table, DWT.NONE); |
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37 * for (int i = 0; i < 100; i++) { |
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38 * TableItem item = new TableItem(table, DWT.NONE); |
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39 * item.setText(new String[] { "cell "+i+" 0", "cell "+i+" 1", "cell "+i+" 2"}); |
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40 * } |
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41 * column1.pack(); |
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42 * column2.pack(); |
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43 * column3.pack(); |
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44 * |
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45 * // create a TableCursor to navigate around the table |
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46 * final TableCursor cursor = new TableCursor(table, DWT.NONE); |
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47 * // create an editor to edit the cell when the user hits "ENTER" |
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48 * // while over a cell in the table |
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49 * final ControlEditor editor = new ControlEditor(cursor); |
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50 * editor.grabHorizontal = true; |
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51 * editor.grabVertical = true; |
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52 * |
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53 * cursor.addSelectionListener(new SelectionAdapter() { |
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54 * // when the TableEditor is over a cell, select the corresponding row in |
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55 * // the table |
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56 * public void widgetSelected(SelectionEvent e) { |
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57 * table.setSelection(new TableItem[] {cursor.getRow()}); |
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58 * } |
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59 * // when the user hits "ENTER" in the TableCursor, pop up a text editor so that |
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60 * // they can change the text of the cell |
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61 * public void widgetDefaultSelected(SelectionEvent e){ |
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62 * final Text text = new Text(cursor, DWT.NONE); |
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63 * TableItem row = cursor.getRow(); |
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64 * int column = cursor.getColumn(); |
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65 * text.setText(row.getText(column)); |
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66 * text.addKeyListener(new KeyAdapter() { |
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67 * public void keyPressed(KeyEvent e) { |
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68 * // close the text editor and copy the data over |
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69 * // when the user hits "ENTER" |
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70 * if (e.character is DWT.CR) { |
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71 * TableItem row = cursor.getRow(); |
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72 * int column = cursor.getColumn(); |
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73 * row.setText(column, text.getText()); |
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74 * text.dispose(); |
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75 * } |
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76 * // close the text editor when the user hits "ESC" |
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77 * if (e.character is DWT.ESC) { |
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78 * text.dispose(); |
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79 * } |
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80 * } |
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81 * }); |
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82 * editor.setEditor(text); |
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83 * text.setFocus(); |
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84 * } |
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85 * }); |
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86 * // Hide the TableCursor when the user hits the "MOD1" or "MOD2" key. |
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87 * // This allows the user to select multiple items in the table. |
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88 * cursor.addKeyListener(new KeyAdapter() { |
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89 * public void keyPressed(KeyEvent e) { |
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90 * if (e.keyCode is DWT.MOD1 || |
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91 * e.keyCode is DWT.MOD2 || |
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92 * (e.stateMask & DWT.MOD1) !is 0 || |
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93 * (e.stateMask & DWT.MOD2) !is 0) { |
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94 * cursor.setVisible(false); |
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95 * } |
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96 * } |
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97 * }); |
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98 * // Show the TableCursor when the user releases the "MOD2" or "MOD1" key. |
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99 * // This signals the end of the multiple selection task. |
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100 * table.addKeyListener(new KeyAdapter() { |
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101 * public void keyReleased(KeyEvent e) { |
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102 * if (e.keyCode is DWT.MOD1 && (e.stateMask & DWT.MOD2) !is 0) return; |
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103 * if (e.keyCode is DWT.MOD2 && (e.stateMask & DWT.MOD1) !is 0) return; |
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104 * if (e.keyCode !is DWT.MOD1 && (e.stateMask & DWT.MOD1) !is 0) return; |
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105 * if (e.keyCode !is DWT.MOD2 && (e.stateMask & DWT.MOD2) !is 0) return; |
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106 * |
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107 * TableItem[] selection = table.getSelection(); |
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108 * TableItem row = (selection.length is 0) ? table.getItem(table.getTopIndex()) : selection[0]; |
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109 * table.showItem(row); |
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110 * cursor.setSelection(row, 0); |
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111 * cursor.setVisible(true); |
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112 * cursor.setFocus(); |
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113 * } |
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114 * }); |
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115 * |
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116 * shell.open(); |
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117 * while (!shell.isDisposed()) { |
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118 * if (!display.readAndDispatch()) |
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119 * display.sleep(); |
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120 * } |
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121 * display.dispose(); |
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122 * } |
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123 * </pre></code> |
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124 * |
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125 * <dl> |
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126 * <dt><b>Styles:</b></dt> |
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127 * <dd>BORDER</dd> |
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128 * <dt><b>Events:</b></dt> |
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129 * <dd>Selection, DefaultSelection</dd> |
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130 * </dl> |
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131 * |
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132 * @since 2.0 |
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133 * |
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134 */ |
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135 public class TableCursor : Canvas { |
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136 Table table; |
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137 TableItem row = null; |
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138 TableColumn column = null; |
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139 Listener tableListener, resizeListener, disposeItemListener, disposeColumnListener; |
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140 |
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141 Color background = null; |
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142 Color foreground = null; |
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143 |
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144 // By default, invert the list selection colors |
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145 static final int BACKGROUND = DWT.COLOR_LIST_SELECTION_TEXT; |
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146 static final int FOREGROUND = DWT.COLOR_LIST_SELECTION; |
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147 |
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148 /** |
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149 * Constructs a new instance of this class given its parent |
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150 * table and a style value describing its behavior and appearance. |
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151 * <p> |
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152 * The style value is either one of the style constants defined in |
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153 * class <code>DWT</code> which is applicable to instances of this |
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154 * class, or must be built by <em>bitwise OR</em>'ing together |
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155 * (that is, using the <code>int</code> "|" operator) two or more |
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156 * of those <code>DWT</code> style constants. The class description |
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157 * lists the style constants that are applicable to the class. |
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158 * Style bits are also inherited from superclasses. |
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159 * </p> |
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160 * |
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161 * @param parent a Table control which will be the parent of the new instance (cannot be null) |
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162 * @param style the style of control to construct |
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163 * |
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164 * @exception IllegalArgumentException <ul> |
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165 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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166 * </ul> |
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167 * @exception DWTException <ul> |
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168 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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169 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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170 * </ul> |
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171 * |
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172 * @see DWT#BORDER |
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173 * @see Widget#checkSubclass() |
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174 * @see Widget#getStyle() |
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175 */ |
5 | 176 public this(Table parent, int style) { |
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177 super(parent, style); |
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178 table = parent; |
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179 setBackground(null); |
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180 setForeground(null); |
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181 |
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182 Listener listener = new Listener() { |
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183 public void handleEvent(Event event) { |
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184 switch (event.type) { |
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185 case DWT.Dispose : |
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186 dispose(event); |
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187 break; |
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188 case DWT.FocusIn : |
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189 case DWT.FocusOut : |
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190 redraw(); |
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191 break; |
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192 case DWT.KeyDown : |
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193 keyDown(event); |
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194 break; |
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195 case DWT.Paint : |
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196 paint(event); |
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197 break; |
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198 case DWT.Traverse : { |
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199 event.doit = true; |
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200 switch (event.detail) { |
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201 case DWT.TRAVERSE_ARROW_NEXT : |
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202 case DWT.TRAVERSE_ARROW_PREVIOUS : |
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203 case DWT.TRAVERSE_RETURN : |
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204 event.doit = false; |
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205 break; |
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206 } |
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207 break; |
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208 } |
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209 } |
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210 } |
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211 }; |
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212 int[] events = new int[] {DWT.Dispose, DWT.FocusIn, DWT.FocusOut, DWT.KeyDown, DWT.Paint, DWT.Traverse}; |
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213 for (int i = 0; i < events.length; i++) { |
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214 addListener(events[i], listener); |
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215 } |
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216 |
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217 tableListener = new Listener() { |
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218 public void handleEvent(Event event) { |
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219 switch (event.type) { |
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220 case DWT.MouseDown : |
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221 tableMouseDown(event); |
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222 break; |
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223 case DWT.FocusIn : |
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224 tableFocusIn(event); |
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225 break; |
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226 } |
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227 } |
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228 }; |
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229 table.addListener(DWT.FocusIn, tableListener); |
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230 table.addListener(DWT.MouseDown, tableListener); |
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231 |
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232 disposeItemListener = new Listener() { |
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233 public void handleEvent(Event event) { |
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234 unhookRowColumnListeners(); |
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235 row = null; |
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236 column = null; |
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237 _resize(); |
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238 } |
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239 }; |
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240 disposeColumnListener = new Listener() { |
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241 public void handleEvent(Event event) { |
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242 unhookRowColumnListeners(); |
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243 row = null; |
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244 column = null; |
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245 _resize(); |
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246 } |
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247 }; |
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248 resizeListener = new Listener() { |
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249 public void handleEvent(Event event) { |
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250 _resize(); |
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251 } |
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252 }; |
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253 ScrollBar hBar = table.getHorizontalBar(); |
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254 if (hBar !is null) { |
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255 hBar.addListener(DWT.Selection, resizeListener); |
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256 } |
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257 ScrollBar vBar = table.getVerticalBar(); |
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258 if (vBar !is null) { |
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259 vBar.addListener(DWT.Selection, resizeListener); |
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260 } |
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261 } |
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262 |
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263 /** |
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264 * Adds the listener to the collection of listeners who will |
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265 * be notified when the user changes the receiver's selection, by sending |
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266 * it one of the messages defined in the <code>SelectionListener</code> |
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267 * interface. |
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268 * <p> |
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269 * When <code>widgetSelected</code> is called, the item field of the event object is valid. |
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270 * If the receiver has <code>DWT.CHECK</code> style set and the check selection changes, |
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271 * the event object detail field contains the value <code>DWT.CHECK</code>. |
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272 * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. |
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273 * </p> |
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274 * |
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275 * @param listener the listener which should be notified when the user changes the receiver's selection |
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276 * |
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277 * @exception IllegalArgumentException <ul> |
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278 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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279 * </ul> |
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280 * @exception DWTException <ul> |
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281 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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282 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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283 * </ul> |
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284 * |
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285 * @see SelectionListener |
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286 * @see SelectionEvent |
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287 * @see #removeSelectionListener(SelectionListener) |
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288 * |
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289 */ |
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290 public void addSelectionListener(SelectionListener listener) { |
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291 checkWidget(); |
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292 if (listener is null) |
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293 DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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294 TypedListener typedListener = new TypedListener(listener); |
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295 addListener(DWT.Selection, typedListener); |
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296 addListener(DWT.DefaultSelection, typedListener); |
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297 } |
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298 |
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299 void dispose(Event event) { |
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300 table.removeListener(DWT.FocusIn, tableListener); |
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301 table.removeListener(DWT.MouseDown, tableListener); |
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302 unhookRowColumnListeners(); |
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303 ScrollBar hBar = table.getHorizontalBar(); |
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304 if (hBar !is null) { |
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305 hBar.removeListener(DWT.Selection, resizeListener); |
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306 } |
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307 ScrollBar vBar = table.getVerticalBar(); |
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308 if (vBar !is null) { |
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309 vBar.removeListener(DWT.Selection, resizeListener); |
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310 } |
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311 } |
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312 |
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313 void keyDown(Event event) { |
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314 if (row is null) return; |
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315 switch (event.character) { |
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316 case DWT.CR : |
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317 notifyListeners(DWT.DefaultSelection, new Event()); |
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318 return; |
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319 } |
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320 int rowIndex = table.indexOf(row); |
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321 int columnIndex = column is null ? 0 : table.indexOf(column); |
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322 switch (event.keyCode) { |
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323 case DWT.ARROW_UP : |
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324 setRowColumn(Math.max(0, rowIndex - 1), columnIndex, true); |
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325 break; |
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326 case DWT.ARROW_DOWN : |
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327 setRowColumn(Math.min(rowIndex + 1, table.getItemCount() - 1), columnIndex, true); |
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328 break; |
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329 case DWT.ARROW_LEFT : |
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330 case DWT.ARROW_RIGHT : |
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331 { |
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332 int columnCount = table.getColumnCount(); |
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333 if (columnCount is 0) break; |
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334 int[] order = table.getColumnOrder(); |
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335 int index = 0; |
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336 while (index < order.length) { |
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337 if (order[index] is columnIndex) break; |
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338 index++; |
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339 } |
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340 if (index is order.length) index = 0; |
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341 int leadKey = (getStyle() & DWT.RIGHT_TO_LEFT) !is 0 ? DWT.ARROW_RIGHT : DWT.ARROW_LEFT; |
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342 if (event.keyCode is leadKey) { |
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343 setRowColumn(rowIndex, order[Math.max(0, index - 1)], true); |
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344 } else { |
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345 setRowColumn(rowIndex, order[Math.min(columnCount - 1, index + 1)], true); |
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346 } |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
347 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
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|
348 } |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
349 case DWT.HOME : |
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parents:
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|
350 setRowColumn(0, columnIndex, true); |
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parents:
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changeset
|
351 break; |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
352 case DWT.END : |
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parents:
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|
353 { |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
354 int i = table.getItemCount() - 1; |
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parents:
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|
355 setRowColumn(i, columnIndex, true); |
380af2bdd8e5
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parents:
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|
356 break; |
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Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
357 } |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
358 case DWT.PAGE_UP : |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
359 { |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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360 int index = table.getTopIndex(); |
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parents:
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361 if (index is rowIndex) { |
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parents:
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362 Rectangle rect = table.getClientArea(); |
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parents:
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363 TableItem item = table.getItem(index); |
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parents:
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364 Rectangle itemRect = item.getBounds(0); |
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parents:
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365 rect.height -= itemRect.y; |
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parents:
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366 int height = table.getItemHeight(); |
380af2bdd8e5
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parents:
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367 int page = Math.max(1, rect.height / height); |
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parents:
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368 index = Math.max(0, index - page + 1); |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
369 } |
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parents:
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370 setRowColumn(index, columnIndex, true); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
371 break; |
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Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
372 } |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
373 case DWT.PAGE_DOWN : |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
374 { |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
375 int index = table.getTopIndex(); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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376 Rectangle rect = table.getClientArea(); |
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parents:
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377 TableItem item = table.getItem(index); |
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parents:
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changeset
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378 Rectangle itemRect = item.getBounds(0); |
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parents:
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379 rect.height -= itemRect.y; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
380 int height = table.getItemHeight(); |
380af2bdd8e5
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parents:
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381 int page = Math.max(1, rect.height / height); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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382 int end = table.getItemCount() - 1; |
380af2bdd8e5
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parents:
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changeset
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383 index = Math.min(end, index + page - 1); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
384 if (index is rowIndex) { |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
385 index = Math.min(end, index + page - 1); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
386 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
387 setRowColumn(index, columnIndex, true); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
388 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
389 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
390 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
391 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
392 |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
393 void paint(Event event) { |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
394 if (row is null) return; |
380af2bdd8e5
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parents:
diff
changeset
|
395 int columnIndex = column is null ? 0 : table.indexOf(column); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
396 GC gc = event.gc; |
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parents:
diff
changeset
|
397 Display display = getDisplay(); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
398 gc.setBackground(getBackground()); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
399 gc.setForeground(getForeground()); |
380af2bdd8e5
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parents:
diff
changeset
|
400 gc.fillRectangle(event.x, event.y, event.width, event.height); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
401 int x = 0; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
402 Point size = getSize(); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
403 Image image = row.getImage(columnIndex); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
404 if (image !is null) { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
405 Rectangle imageSize = image.getBounds(); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
406 int imageY = (size.y - imageSize.height) / 2; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
407 gc.drawImage(image, x, imageY); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
408 x += imageSize.width; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
409 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
410 String text = row.getText(columnIndex); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
411 if (text.length() > 0) { |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
412 Rectangle bounds = row.getBounds(columnIndex); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
413 Point extent = gc.StringExtent(text); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
414 // Temporary code - need a better way to determine table trim |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
415 String platform = DWT.getPlatform(); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
416 if ("win32".opEquals(platform)) { //$NON-NLS-1$ |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
417 if (table.getColumnCount() is 0 || columnIndex is 0) { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
418 x += 2; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
419 } else { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
420 int alignmnent = column.getAlignment(); |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
421 switch (alignmnent) { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
422 case DWT.LEFT: |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
423 x += 6; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
424 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
425 case DWT.RIGHT: |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
426 x = bounds.width - extent.x - 6; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
427 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
428 case DWT.CENTER: |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
429 x += (bounds.width - x - extent.x) / 2; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
430 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
431 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
432 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
433 } else { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
434 if (table.getColumnCount() is 0) { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
435 x += 5; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
436 } else { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
437 int alignmnent = column.getAlignment(); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
438 switch (alignmnent) { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
439 case DWT.LEFT: |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
440 x += 5; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
441 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
442 case DWT.RIGHT: |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
443 x = bounds.width- extent.x - 2; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
444 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
445 case DWT.CENTER: |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
446 x += (bounds.width - x - extent.x) / 2 + 2; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
447 break; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
448 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
449 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
450 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
451 int textY = (size.y - extent.y) / 2; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
452 gc.drawString(text, x, textY); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
453 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
454 if (isFocusControl()) { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
455 gc.setBackground(display.getSystemColor(DWT.COLOR_BLACK)); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
456 gc.setForeground(display.getSystemColor(DWT.COLOR_WHITE)); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
457 gc.drawFocus(0, 0, size.x, size.y); |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
458 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
459 } |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
460 |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
461 void tableFocusIn(Event event) { |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
462 if (isDisposed()) return; |
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
463 if (isVisible()) { |
380af2bdd8e5
Upload of whole dwt tree
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parents:
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464 if (row is null && column is null) return; |
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465 setFocus(); |
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466 } |
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467 } |
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468 |
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469 void tableMouseDown(Event event) { |
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470 if (isDisposed() || !isVisible()) return; |
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471 Point pt = new Point(event.x, event.y); |
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472 int lineWidth = table.getLinesVisible() ? table.getGridLineWidth() : 0; |
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473 TableItem item = table.getItem(pt); |
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474 if ((table.getStyle() & DWT.FULL_SELECTION) !is 0) { |
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475 if (item is null) return; |
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476 } else { |
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477 int start = item !is null ? table.indexOf(item) : table.getTopIndex(); |
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478 int end = table.getItemCount(); |
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479 Rectangle clientRect = table.getClientArea(); |
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480 for (int i = start; i < end; i++) { |
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481 TableItem nextItem = table.getItem(i); |
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482 Rectangle rect = nextItem.getBounds(0); |
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483 if (pt.y >= rect.y && pt.y < rect.y + rect.height + lineWidth) { |
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484 item = nextItem; |
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485 break; |
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486 } |
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487 if (rect.y > clientRect.y + clientRect.height) return; |
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488 } |
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489 if (item is null) return; |
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490 } |
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491 TableColumn newColumn = null; |
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492 int columnCount = table.getColumnCount(); |
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493 if (columnCount is 0) { |
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494 if ((table.getStyle() & DWT.FULL_SELECTION) is 0) { |
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495 Rectangle rect = item.getBounds(0); |
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496 rect.width += lineWidth; |
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497 rect.height += lineWidth; |
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498 if (!rect.contains(pt)) return; |
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499 } |
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500 } else { |
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501 for (int i = 0; i < columnCount; i++) { |
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502 Rectangle rect = item.getBounds(i); |
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503 rect.width += lineWidth; |
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504 rect.height += lineWidth; |
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505 if (rect.contains(pt)) { |
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506 newColumn = table.getColumn(i); |
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507 break; |
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508 } |
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509 } |
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changeset
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510 if (newColumn is null) { |
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511 if ((table.getStyle() & DWT.FULL_SELECTION) is 0) return; |
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512 newColumn = table.getColumn(0); |
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513 } |
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parents:
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|
514 } |
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515 setRowColumn(item, newColumn, true); |
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516 setFocus(); |
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517 return; |
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518 } |
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519 void setRowColumn(int row, int column, bool notify) { |
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520 TableItem item = row is -1 ? null : table.getItem(row); |
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521 TableColumn col = column is -1 || table.getColumnCount() is 0 ? null : table.getColumn(column); |
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522 setRowColumn(item, col, notify); |
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523 } |
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parents:
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524 void setRowColumn(TableItem row, TableColumn column, bool notify) { |
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525 if (this.row is row && this.column is column) { |
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parents:
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526 return; |
380af2bdd8e5
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parents:
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|
527 } |
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parents:
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|
528 if (this.row !is null && this.row !is row) { |
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529 this.row.removeListener(DWT.Dispose, disposeItemListener); |
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530 this.row = null; |
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|
531 } |
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parents:
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changeset
|
532 if (this.column !is null && this.column !is column) { |
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parents:
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533 this.column.removeListener(DWT.Dispose, disposeColumnListener); |
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534 this.column.removeListener(DWT.Move, resizeListener); |
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parents:
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535 this.column.removeListener(DWT.Resize, resizeListener); |
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536 this.column = null; |
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537 } |
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parents:
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|
538 if (row !is null) { |
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parents:
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|
539 if (this.row !is row) { |
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parents:
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changeset
|
540 this.row = row; |
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parents:
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changeset
|
541 row.addListener(DWT.Dispose, disposeItemListener); |
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542 table.showItem(row); |
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|
543 } |
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parents:
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changeset
|
544 if (this.column !is column && column !is null) { |
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changeset
|
545 this.column = column; |
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546 column.addListener(DWT.Dispose, disposeColumnListener); |
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547 column.addListener(DWT.Move, resizeListener); |
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|
548 column.addListener(DWT.Resize, resizeListener); |
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changeset
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549 table.showColumn(column); |
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parents:
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|
550 } |
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parents:
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changeset
|
551 int columnIndex = column is null ? 0 : table.indexOf(column); |
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552 setBounds(row.getBounds(columnIndex)); |
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553 redraw(); |
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parents:
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changeset
|
554 if (notify) { |
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parents:
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changeset
|
555 notifyListeners(DWT.Selection, new Event()); |
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parents:
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|
556 } |
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Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
557 } |
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parents:
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|
558 } |
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|
559 |
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parents:
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|
560 public void setVisible(bool visible) { |
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561 checkWidget(); |
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|
562 if (visible) _resize(); |
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parents:
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changeset
|
563 super.setVisible(visible); |
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|
564 } |
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parents:
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changeset
|
565 |
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parents:
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changeset
|
566 /** |
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parents:
diff
changeset
|
567 * Removes the listener from the collection of listeners who will |
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parents:
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changeset
|
568 * be notified when the user changes the receiver's selection. |
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parents:
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changeset
|
569 * |
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parents:
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changeset
|
570 * @param listener the listener which should no longer be notified |
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parents:
diff
changeset
|
571 * |
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parents:
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|
572 * @exception IllegalArgumentException <ul> |
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573 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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|
574 * </ul> |
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parents:
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|
575 * @exception DWTException <ul> |
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parents:
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changeset
|
576 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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parents:
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changeset
|
577 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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parents:
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changeset
|
578 * </ul> |
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579 * |
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580 * @see SelectionListener |
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581 * @see #addSelectionListener(SelectionListener) |
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582 * |
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583 * @since 3.0 |
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584 */ |
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585 public void removeSelectionListener(SelectionListener listener) { |
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586 checkWidget(); |
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587 if (listener is null) { |
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588 DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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589 } |
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590 removeListener(DWT.Selection, listener); |
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591 removeListener(DWT.DefaultSelection, listener); |
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592 } |
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593 |
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594 void _resize() { |
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595 if (row is null) { |
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596 setBounds(-200, -200, 0, 0); |
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597 } else { |
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598 int columnIndex = column is null ? 0 : table.indexOf(column); |
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599 setBounds(row.getBounds(columnIndex)); |
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600 } |
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601 } |
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602 /** |
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603 * Returns the column over which the TableCursor is positioned. |
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604 * |
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605 * @return the column for the current position |
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606 * |
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607 * @exception DWTException <ul> |
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608 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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609 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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610 * </ul> |
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611 */ |
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612 public int getColumn() { |
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613 checkWidget(); |
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614 return column is null ? 0 : table.indexOf(column); |
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615 } |
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616 /** |
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617 * Returns the background color that the receiver will use to draw. |
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618 * |
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619 * @return the receiver's background color |
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620 */ |
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621 public Color getBackground() { |
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622 checkWidget(); |
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623 if (background is null) { |
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624 return getDisplay().getSystemColor(BACKGROUND); |
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625 } |
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626 return background; |
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627 } |
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628 /** |
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629 * Returns the foreground color that the receiver will use to draw. |
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630 * |
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631 * @return the receiver's foreground color |
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632 */ |
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633 public Color getForeground() { |
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634 checkWidget(); |
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635 if (foreground is null) { |
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636 return getDisplay().getSystemColor(FOREGROUND); |
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637 } |
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638 return foreground; |
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639 } |
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640 /** |
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641 * Returns the row over which the TableCursor is positioned. |
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642 * |
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643 * @return the item for the current position |
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644 * |
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645 * @exception DWTException <ul> |
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646 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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647 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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648 * </ul> |
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649 */ |
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650 public TableItem getRow() { |
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651 checkWidget(); |
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652 return row; |
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653 } |
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654 /** |
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|
655 * Sets the receiver's background color to the color specified |
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656 * by the argument, or to the default system color for the control |
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657 * if the argument is null. |
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658 * <p> |
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659 * Note: This operation is a hint and may be overridden by the platform. |
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660 * For example, on Windows the background of a Button cannot be changed. |
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661 * </p> |
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662 * @param color the new color (or null) |
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663 * |
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664 * @exception IllegalArgumentException <ul> |
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665 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> |
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666 * </ul> |
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667 * @exception DWTException <ul> |
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668 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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669 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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670 * </ul> |
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671 */ |
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672 public void setBackground (Color color) { |
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673 background = color; |
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674 super.setBackground(getBackground()); |
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675 redraw(); |
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676 } |
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|
677 /** |
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|
678 * Sets the receiver's foreground color to the color specified |
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679 * by the argument, or to the default system color for the control |
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|
680 * if the argument is null. |
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|
681 * <p> |
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682 * Note: This operation is a hint and may be overridden by the platform. |
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683 * </p> |
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|
684 * @param color the new color (or null) |
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|
685 * |
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|
686 * @exception IllegalArgumentException <ul> |
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687 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> |
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688 * </ul> |
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|
689 * @exception DWTException <ul> |
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690 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
691 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
692 * </ul> |
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|
693 */ |
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|
694 public void setForeground (Color color) { |
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695 foreground = color; |
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696 super.setForeground(getForeground()); |
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697 redraw(); |
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698 } |
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699 /** |
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700 * Positions the TableCursor over the cell at the given row and column in the parent table. |
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701 * |
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702 * @param row the index of the row for the cell to select |
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703 * @param column the index of column for the cell to select |
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704 * |
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705 * @exception DWTException <ul> |
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706 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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707 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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708 * </ul> |
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709 * |
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710 */ |
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711 public void setSelection(int row, int column) { |
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712 checkWidget(); |
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713 int columnCount = table.getColumnCount(); |
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714 int maxColumnIndex = columnCount is 0 ? 0 : columnCount - 1; |
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715 if (row < 0 |
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716 || row >= table.getItemCount() |
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717 || column < 0 |
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718 || column > maxColumnIndex) |
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719 DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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720 setRowColumn(row, column, false); |
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721 } |
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722 /** |
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723 * Positions the TableCursor over the cell at the given row and column in the parent table. |
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724 * |
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725 * @param row the TableItem of the row for the cell to select |
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726 * @param column the index of column for the cell to select |
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727 * |
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728 * @exception DWTException <ul> |
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729 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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730 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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731 * </ul> |
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732 * |
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733 */ |
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734 public void setSelection(TableItem row, int column) { |
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735 checkWidget(); |
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736 int columnCount = table.getColumnCount(); |
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737 int maxColumnIndex = columnCount is 0 ? 0 : columnCount - 1; |
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738 if (row is null |
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739 || row.isDisposed() |
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740 || column < 0 |
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741 || column > maxColumnIndex) |
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742 DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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743 setRowColumn(table.indexOf(row), column, false); |
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744 } |
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745 void unhookRowColumnListeners() { |
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746 if (column !is null) { |
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747 column.removeListener(DWT.Dispose, disposeColumnListener); |
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748 column.removeListener(DWT.Move, resizeListener); |
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749 column.removeListener(DWT.Resize, resizeListener); |
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750 column = null; |
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751 } |
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752 if (row !is null) { |
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753 row.removeListener(DWT.Dispose, disposeItemListener); |
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754 row = null; |
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755 } |
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756 } |
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757 } |