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annotate dwtx/jface/internal/ConfigureColumnsDialog.d @ 90:7ffeace6c47f

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Update 3.4M7 to 3.4
author Frank Benoit <benoit@tionex.de>
date Sun, 06 Jul 2008 23:30:07 +0200
parents 5df4896124c7
children
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1 /*******************************************************************************
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2 * Copyright (c) 2008 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 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 ******************************************************************************/
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13
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14 module dwtx.jface.internal.ConfigureColumnsDialog;
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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.graphics.Image;
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19 import dwt.widgets.Button;
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20 import dwt.widgets.Composite;
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21 import dwt.widgets.Control;
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22 import dwt.widgets.Event;
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23 import dwt.widgets.Item;
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24 import dwt.widgets.Label;
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25 import dwt.widgets.Listener;
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26 import dwt.widgets.Table;
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27 import dwt.widgets.TableColumn;
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28 import dwt.widgets.TableItem;
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29 import dwt.widgets.Text;
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30 import dwt.widgets.Tree;
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31 import dwt.widgets.TreeColumn;
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32 import dwtx.jface.dialogs.Dialog;
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33 import dwtx.jface.layout.GridDataFactory;
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34 import dwtx.jface.layout.GridLayoutFactory;
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35 import dwtx.jface.resource.JFaceResources;
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36 import dwtx.jface.window.IShellProvider;
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37
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38 import dwt.dwthelper.utils;
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39
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40 /**
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41 * NON-API - This class is internal and will be moved to another package in 3.5.
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42 *
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43 */
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44 public class ConfigureColumnsDialog : Dialog {
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45
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46 private Control targetControl;
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47 private ColumnObject[] columnObjects;
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48 private Table table;
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49 private Button upButton;
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50 private Button downButton;
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51 private Text text;
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52 private bool moveableColumnsFound;
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53
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54 class ColumnObject {
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55 Item column;
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56 int index;
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57 String name;
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58 Image image;
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59 bool visible;
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60 int width;
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61 bool moveable;
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62 bool resizable;
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63
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64 this(Item column, int index, String text, Image image,
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65 int width, bool moveable, bool resizable, bool visible) {
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66 this.column = column;
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67 this.index = index;
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68 this.name = text;
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69 this.image = image;
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70 this.width = width;
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71 this.moveable = moveable;
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72 this.resizable = resizable;
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73 this.visible = visible;
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74 }
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75 }
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76
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77 /**
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78 * NON-API - This class is internal and will be moved to another package in
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79 * 3.5. Creates a new dialog for configuring columns of the given column
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80 * viewer. The column viewer must have an underlying {@link Tree} or {@link
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81 * Table}, other controls are not supported.
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82 *
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83 * @param shellProvider
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84 * @param table
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85 */
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86 public this(IShellProvider shellProvider, Table table) {
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87 this(shellProvider, cast(Control) table);
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88 }
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89
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90 /**
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91 * NON-API - This class is internal and will be moved to another package in
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92 * 3.5. Creates a new dialog for configuring columns of the given column
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93 * viewer. The column viewer must have an underlying {@link Tree} or {@link
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94 * Table}, other controls are not supported.
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95 *
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96 * @param shellProvider
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97 * @param tree
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98 */
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99 public this(IShellProvider shellProvider, Tree tree) {
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100 this(shellProvider, cast(Control) tree);
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101 }
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102
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103 /**
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104 * @param shellProvider
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105 * @param control
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106 */
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107 private this(IShellProvider shellProvider, Control control) {
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108 super(shellProvider);
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109 this.targetControl = control;
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110 this.moveableColumnsFound = createColumnObjects();
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111 }
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112
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113 protected bool isResizable() {
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114 return true;
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115 }
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116
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117 public void create() {
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118 super.create();
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119 getShell().setText(
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120 JFaceResources.getString("ConfigureColumnsDialog_Title")); //$NON-NLS-1$
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121 }
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122
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123 protected void initializeBounds() {
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124 super.initializeBounds();
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125 table.setSelection(0);
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126 handleSelectionChanged(0);
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127 }
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128
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129 /**
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130 * Returns true if any of the columns is moveable (can be reordered).
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131 */
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132 private bool createColumnObjects() {
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133 bool result = true;
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134 Item[] columns = getViewerColumns();
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135 ColumnObject[] cObjects = new ColumnObject[columns.length];
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136 for (int i = 0; i < columns.length; i++) {
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137 Item c = columns[i];
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138 bool moveable = getMoveable(c);
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139 result = result && moveable;
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140 cObjects[i] = new ColumnObject(c, i, getColumnName(c),
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141 getColumnImage(c), getColumnWidth(c), moveable,
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142 getResizable(c), true);
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143 }
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144 int[] columnOrder = getColumnOrder();
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145 columnObjects = new ColumnObject[columns.length];
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146 for (int i = 0; i < columnOrder.length; i++) {
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147 columnObjects[i] = cObjects[columnOrder[i]];
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148 }
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149 return result;
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150 }
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151
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152 /**
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153 * @param c
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154 * @return
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155 */
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156 private Image getColumnImage(Item item) {
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157 if (null !is cast(TableColumn)item ) {
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158 return (cast(TableColumn) item).getImage();
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159 } else if (null !is cast(TreeColumn)item ) {
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160 return (cast(TreeColumn) item).getImage();
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161 }
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162 return null;
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163 }
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164
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165 /**
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166 * @return
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167 */
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168 private int[] getColumnOrder() {
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169 if (null !is cast(Table)targetControl ) {
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170 return (cast(Table) targetControl).getColumnOrder();
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171 } else if (null !is cast(Tree)targetControl ) {
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172 return (cast(Tree) targetControl).getColumnOrder();
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173 }
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174 return new int[0];
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175 }
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176
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177 /**
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178 * @param c
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179 * @return
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180 */
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181 private bool getMoveable(Item item) {
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182 if (null !is cast(TableColumn)item ) {
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183 return (cast(TableColumn) item).getMoveable();
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184 } else if (null !is cast(TreeColumn)item ) {
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185 return (cast(TreeColumn) item).getMoveable();
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186 }
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187 return false;
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188 }
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189
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190 /**
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191 * @param c
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192 * @return
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193 */
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194 private bool getResizable(Item item) {
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195 if (null !is cast(TableColumn)item ) {
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196 return (cast(TableColumn) item).getResizable();
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197 } else if (null !is cast(TreeColumn)item ) {
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198 return (cast(TreeColumn) item).getResizable();
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199 }
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200 return false;
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201 }
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202
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203 protected Control createDialogArea(Composite parent) {
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204 Composite composite = cast(Composite) super.createDialogArea(parent);
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205
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206 table = new Table(composite, DWT.BORDER | DWT.SINGLE | DWT.V_SCROLL
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diff changeset
207 | DWT.H_SCROLL /*
70
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208 * | DWT.CHECK
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209 */);
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210 for (int i = 0; i < columnObjects.length; i++) {
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211 TableItem tableItem = new TableItem(table, DWT.NONE);
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212 tableItem.setText(columnObjects[i].name);
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213 tableItem.setImage(columnObjects[i].image);
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214 tableItem.setData(columnObjects[i]);
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215 }
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216
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217 GridDataFactory.defaultsFor(table)
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218 .span(1, moveableColumnsFound ? 3 : 1).applyTo(table);
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diff changeset
219
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220 if (moveableColumnsFound) {
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221 upButton = new Button(composite, DWT.PUSH);
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222 upButton.setText(JFaceResources
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223 .getString("ConfigureColumnsDialog_up")); //$NON-NLS-1$
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224 upButton.addListener(DWT.Selection, new class Listener {
70
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diff changeset
225 public void handleEvent(Event event) {
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226 handleMove(table, true);
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227 }
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228 });
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229 setButtonLayoutData(upButton);
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230 downButton = new Button(composite, DWT.PUSH);
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231 downButton.setText(JFaceResources
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232 .getString("ConfigureColumnsDialog_down")); //$NON-NLS-1$
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233 downButton.addListener(DWT.Selection, new class Listener {
70
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diff changeset
234 public void handleEvent(Event event) {
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235 handleMove(table, false);
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236 }
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237 });
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238 setButtonLayoutData(downButton);
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239
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240 // filler label
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241 createLabel(composite, ""); //$NON-NLS-1$
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242 }
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diff changeset
243
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diff changeset
244 Composite widthComposite = new Composite(composite, DWT.NONE);
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245 createLabel(widthComposite, JFaceResources
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246 .getString("ConfigureColumnsDialog_WidthOfSelectedColumn")); //$NON-NLS-1$
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diff changeset
247
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248 text = new Text(widthComposite, DWT.SINGLE | DWT.BORDER);
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249 // see #initializeBounds
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250 text.setText(Integer.toString(1000));
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diff changeset
251
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252 GridLayoutFactory.fillDefaults().numColumns(2).applyTo(widthComposite);
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253
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254 int numColumns = moveableColumnsFound ? 2 : 1;
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255
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diff changeset
256 GridDataFactory.defaultsFor(widthComposite).grab(false, false).span(
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diff changeset
257 numColumns, 1).applyTo(widthComposite);
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diff changeset
258
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diff changeset
259 GridLayoutFactory.swtDefaults().numColumns(numColumns).applyTo(
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diff changeset
260 composite);
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diff changeset
261
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diff changeset
262 table.addListener(DWT.Selection, new class Listener {
70
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diff changeset
263 public void handleEvent(Event event) {
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5df4896124c7 JFace and its examples do compile
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diff changeset
264 handleSelectionChanged(table.indexOf(cast(TableItem) event.item));
70
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265 }
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266 });
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diff changeset
267 text.addListener(DWT.Modify, new class Listener {
70
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diff changeset
268 public void handleEvent(Event event) {
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269 ColumnObject columnObject = columnObjects[table
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270 .getSelectionIndex()];
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diff changeset
271 if (!columnObject.resizable) {
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272 return;
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diff changeset
273 }
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diff changeset
274 try {
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275 int width = Integer.parseInt(text.getText());
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276 columnObject.width = width;
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277 } catch (NumberFormatException ex) {
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diff changeset
278 // ignore for now
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279 }
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280 }
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281 });
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282
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283 Dialog.applyDialogFont(composite);
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284
70
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285 return composite;
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286 }
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287
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288 /**
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289 * @param table
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290 * @param up
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291 */
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292 protected void handleMove(Table table, bool up) {
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293 int index = table.getSelectionIndex();
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294 int newIndex = index + (up ? -1 : 1);
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295 if (index < 0 || index >= table.getItemCount()) {
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296 return;
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297 }
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298 ColumnObject columnObject = columnObjects[index];
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299 columnObjects[index] = columnObjects[newIndex];
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300 columnObjects[newIndex] = columnObject;
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301 table.getItem(index).dispose();
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302 TableItem newItem = new TableItem(table, DWT.NONE, newIndex);
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303 newItem.setText(columnObject.name);
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304 newItem.setImage(columnObject.image);
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305 newItem.setData(columnObject);
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306 table.setSelection(newIndex);
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307 handleSelectionChanged(newIndex);
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308 }
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309
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310 private void createLabel(Composite composite, String string) {
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311 Label label = new Label(composite, DWT.NONE);
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312 label.setText(string);
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313 }
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314
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315 /**
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316 * @param item
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317 * @return
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318 */
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319 private String getColumnName(Item item) {
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320 String result = ""; //$NON-NLS-1$
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321 if (null !is cast(TableColumn)item ) {
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322 result = (cast(TableColumn) item).getText();
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323 if (result.trim().equals("")) { //$NON-NLS-1$
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324 result = (cast(TableColumn) item).getToolTipText();
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325 }
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326 } else if (null !is cast(TreeColumn)item ) {
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327 result = (cast(TreeColumn) item).getText();
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328 if (result.trim().equals("")) { //$NON-NLS-1$
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329 result = (cast(TreeColumn) item).getToolTipText();
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330 }
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331 }
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332 return result;
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333 }
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334
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335 /**
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336 * @param item
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337 * @return
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338 */
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339 private int getColumnWidth(Item item) {
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340 if (null !is cast(TableColumn)item ) {
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341 return (cast(TableColumn) item).getWidth();
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342 } else if (null !is cast(TreeColumn)item ) {
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343 return (cast(TreeColumn) item).getWidth();
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344 }
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345 return 0;
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346 }
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347
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348 /**
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349 * @return
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350 */
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351 private Item[] getViewerColumns() {
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352 if (null !is cast(Table)targetControl ) {
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353 return (cast(Table) targetControl).getColumns();
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354 } else if (null !is cast(Tree)targetControl ) {
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355 return (cast(Tree) targetControl).getColumns();
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356 }
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357 return new Item[0];
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358 }
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359
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360 private void handleSelectionChanged(int index) {
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361 ColumnObject c = columnObjects[index];
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362 text.setText(Integer.toString(c.width));
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363 text.setEnabled(c.resizable);
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364 if (moveableColumnsFound) {
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365 upButton.setEnabled(c.moveable && index > 0);
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366 downButton.setEnabled(c.moveable
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367 && index + 1 < table.getItemCount());
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368 }
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369 }
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370
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371 protected void okPressed() {
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diff changeset
372 int[] columnOrder = new int[columnObjects.length];
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373 for (int i = 0; i < columnObjects.length; i++) {
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374 ColumnObject columnObject = columnObjects[i];
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375 columnOrder[i] = columnObject.index;
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376 setColumnWidth(columnObject.column, columnObject.width);
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377 }
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378 setColumnOrder(columnOrder);
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379 super.okPressed();
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380 }
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381
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382 /**
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383 * @param column
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384 * @param width
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385 */
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386 private void setColumnWidth(Item item, int width) {
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diff changeset
387 if (null !is cast(TableColumn)item ) {
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diff changeset
388 (cast(TableColumn) item).setWidth(width);
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389 } else if (null !is cast(TreeColumn)item ) {
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diff changeset
390 (cast(TreeColumn) item).setWidth(width);
70
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391 }
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392 }
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393
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394 /**
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395 * @param columnOrder
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396 */
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diff changeset
397 private void setColumnOrder(int[] order) {
71
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diff changeset
398 if (null !is cast(Table)targetControl ) {
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diff changeset
399 (cast(Table) targetControl).setColumnOrder(order);
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400 } else if (null !is cast(Tree)targetControl ) {
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401 (cast(Tree) targetControl).setColumnOrder(order);
70
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402 }
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403 }
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404 }