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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 * 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 module dwtx.jface.util.SafeRunnableDialog;
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14
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15 pragma(msg,"FIXME dwtx.jface.util.SafeRunnableDialog" );
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16 import dwt.widgets.Shell;
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17 import dwtx.core.runtime.IStatus;
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18 class SafeRunnableDialog{
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19 this(IStatus status) ;
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20 Shell getShell();
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21 void create();
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22 void open();
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23 void addStatus(IStatus);
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24 void refresh();
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25 }
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26
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27 /++
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28
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29
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30 // import java.util.ArrayList;
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31 // import java.util.Collection;
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32
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33 import dwt.DWT;
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34 import dwt.graphics.Point;
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35 import dwt.layout.GridData;
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36 import dwt.widgets.Button;
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37 import dwt.widgets.Composite;
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38 import dwt.widgets.Control;
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39 import dwtx.core.runtime.IStatus;
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40 import dwtx.jface.dialogs.ErrorDialog;
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41 import dwtx.jface.dialogs.IDialogConstants;
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42 import dwtx.jface.resource.JFaceResources;
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43 import dwtx.jface.viewers.CellLabelProvider;
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44 import dwtx.jface.viewers.ISelection;
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45 import dwtx.jface.viewers.ISelectionChangedListener;
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46 import dwtx.jface.viewers.IStructuredContentProvider;
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47 import dwtx.jface.viewers.IStructuredSelection;
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48 import dwtx.jface.viewers.SelectionChangedEvent;
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49 import dwtx.jface.viewers.TableViewer;
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50 import dwtx.jface.viewers.Viewer;
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51 import dwtx.jface.viewers.ViewerCell;
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52 import dwtx.jface.viewers.ViewerComparator;
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53
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54 import dwt.dwthelper.utils;
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55
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56 /**
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57 * SafeRunnableDialog is a dialog that can show the results of multiple safe
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58 * runnable errors
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59 *
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60 */
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61 class SafeRunnableDialog : ErrorDialog {
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62
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63 private TableViewer statusListViewer;
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64
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65 private Collection statuses = new ArrayList();
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66
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67 /**
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68 * Create a new instance of the receiver on a status.
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69 *
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70 * @param status
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71 * The status to display.
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72 */
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73 this(IStatus status) {
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74
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75 super(null, JFaceResources.getString("error"), status.getMessage(), //$NON-NLS-1$
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76 status, IStatus.ERROR);
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77
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78 setShellStyle(DWT.DIALOG_TRIM | DWT.MODELESS | DWT.RESIZE | DWT.MIN
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79 | getDefaultOrientation());
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80
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81 setStatus(status);
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82 statuses.add(status);
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83
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84 setBlockOnOpen(false);
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85
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86 String reason = JFaceResources
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87 .getString("SafeRunnableDialog_checkDetailsMessage"); //$NON-NLS-1$
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88 if (status.getException() !is null) {
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89 reason = status.getException().getMessage() is null ? status
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90 .getException().toString() : status.getException()
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91 .getMessage();
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92 }
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93 this.message = JFaceResources.format(JFaceResources
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94 .getString("SafeRunnableDialog_reason"), new Object[] { //$NON-NLS-1$
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95 status.getMessage(), reason });
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96 }
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97
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98 /**
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99 * Method which should be invoked when new errors become available for
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100 * display
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101 */
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102 void refresh() {
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103
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104 if (AUTOMATED_MODE)
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105 return;
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106
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107 createStatusList((Composite) dialogArea);
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108 updateEnablements();
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109 }
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110
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111 /*
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112 * (non-Javadoc)
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113 *
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114 * @see dwtx.jface.dialogs.ErrorDialog#createDialogArea(dwt.widgets.Composite)
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115 */
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116 protected Control createDialogArea(Composite parent) {
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117 Control area = super.createDialogArea(parent);
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118 createStatusList((Composite) area);
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119 return area;
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120 }
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121
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122 /**
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123 * Create the status list if required.
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124 *
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125 * @param parent
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126 * the Control to create it in.
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127 */
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128 private void createStatusList(Composite parent) {
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129 if (isMultipleStatusDialog()) {
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130 if (statusListViewer is null) {
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131 // The job list doesn't exist so create it.
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132 setMessage(JFaceResources
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133 .getString("SafeRunnableDialog_MultipleErrorsMessage")); //$NON-NLS-1$
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134 getShell()
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135 .setText(
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136 JFaceResources
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137 .getString("SafeRunnableDialog_MultipleErrorsTitle")); //$NON-NLS-1$
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138 createStatusListArea(parent);
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139 showDetailsArea();
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140 }
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141 refreshStatusList();
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142 }
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143 }
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144
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145 /*
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146 * Update the button enablements
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147 */
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148 private void updateEnablements() {
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149 Button details = getButton(IDialogConstants.DETAILS_ID);
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150 if (details !is null) {
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151 details.setEnabled(true);
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152 }
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153 }
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154
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155 /**
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156 * This method sets the message in the message label.
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157 *
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158 * @param messageString -
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159 * the String for the message area
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160 */
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161 private void setMessage(String messageString) {
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162 // must not set null text in a label
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163 message = messageString is null ? "" : messageString; //$NON-NLS-1$
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164 if (messageLabel is null || messageLabel.isDisposed()) {
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165 return;
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166 }
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167 messageLabel.setText(message);
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168 }
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169
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170 /**
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171 * Create an area that allow the user to select one of multiple jobs that
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172 * have reported errors
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173 *
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174 * @param parent -
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175 * the parent of the area
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176 */
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177 private void createStatusListArea(Composite parent) {
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178 // Display a list of jobs that have reported errors
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179 statusListViewer = new TableViewer(parent, DWT.SINGLE | DWT.H_SCROLL
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180 | DWT.V_SCROLL | DWT.BORDER);
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181 statusListViewer.setComparator(getViewerComparator());
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182 Control control = statusListViewer.getControl();
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183 GridData data = new GridData(GridData.FILL_BOTH
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184 | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL);
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185 data.heightHint = convertHeightInCharsToPixels(10);
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186 control.setLayoutData(data);
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187 statusListViewer.setContentProvider(getStatusContentProvider());
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188 statusListViewer.setLabelProvider(getStatusListLabelProvider());
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189 statusListViewer
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190 .addSelectionChangedListener(new ISelectionChangedListener() {
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191 public void selectionChanged(SelectionChangedEvent event) {
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192 handleSelectionChange();
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193 }
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194 });
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195 applyDialogFont(parent);
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196 statusListViewer.setInput(this);
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197 }
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198
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199 /**
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200 * Return the label provider for the status list.
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201 *
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202 * @return CellLabelProvider
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203 */
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204 private CellLabelProvider getStatusListLabelProvider() {
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205 return new CellLabelProvider() {
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206 /*
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207 * (non-Javadoc)
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208 *
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209 * @see dwtx.jface.viewers.CellLabelProvider#update(dwtx.jface.viewers.ViewerCell)
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210 */
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211 public void update(ViewerCell cell) {
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212 cell.setText(((IStatus) cell.getElement()).getMessage());
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213
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214 }
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215 };
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216 }
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217
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218 /**
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219 * Return the content provider for the statuses.
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220 *
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221 * @return IStructuredContentProvider
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222 */
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223 private IStructuredContentProvider getStatusContentProvider() {
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224 return new IStructuredContentProvider() {
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225 /*
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226 * (non-Javadoc)
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227 *
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228 * @see dwtx.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
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229 */
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230 public Object[] getElements(Object inputElement) {
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231 return statuses.toArray();
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232 }
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233
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234 /*
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235 * (non-Javadoc)
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236 *
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237 * @see dwtx.jface.viewers.IContentProvider#dispose()
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238 */
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239 public void dispose() {
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240
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241 }
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242
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243 /*
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244 * (non-Javadoc)
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245 *
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246 * @see dwtx.jface.viewers.IContentProvider#inputChanged(dwtx.jface.viewers.Viewer,
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247 * java.lang.Object, java.lang.Object)
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248 */
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249 public void inputChanged(Viewer viewer, Object oldInput,
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250 Object newInput) {
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251
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252 }
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253 };
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254 }
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255
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256 /*
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257 * Return whether there are multiple errors to be displayed
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258 */
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259 private bool isMultipleStatusDialog() {
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260 return statuses.size() > 1;
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261 }
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262
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263 /**
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264 * Return a viewer sorter for looking at the jobs.
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265 *
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266 * @return ViewerSorter
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267 */
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268 private ViewerComparator getViewerComparator() {
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269 return new ViewerComparator() {
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270 /*
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271 * (non-Javadoc)
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272 *
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273 * @see dwtx.jface.viewers.ViewerComparator#compare(dwtx.jface.viewers.Viewer,
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274 * java.lang.Object, java.lang.Object)
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275 */
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276 public int compare(Viewer testViewer, Object e1, Object e2) {
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277 String message1 = ((IStatus) e1).getMessage();
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278 String message2 = ((IStatus) e2).getMessage();
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279 if (message1 is null)
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280 return 1;
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281 if (message2 is null)
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282 return -1;
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283
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284 return message1.compareTo(message2);
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285 }
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286 };
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287 }
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288
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289 /**
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290 * Refresh the contents of the viewer.
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291 */
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292 void refreshStatusList() {
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293 if (statusListViewer !is null
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294 && !statusListViewer.getControl().isDisposed()) {
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295 statusListViewer.refresh();
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296 Point newSize = getShell().computeSize(DWT.DEFAULT, DWT.DEFAULT);
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297 getShell().setSize(newSize);
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298 }
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299 }
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300
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301 /**
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302 * Get the single selection. Return null if the selection is not just one
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303 * element.
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304 *
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305 * @return IStatus or <code>null</code>.
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306 */
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307 private IStatus getSingleSelection() {
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308 ISelection rawSelection = statusListViewer.getSelection();
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309 if (rawSelection !is null
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310 && rawSelection instanceof IStructuredSelection) {
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311 IStructuredSelection selection = (IStructuredSelection) rawSelection;
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312 if (selection.size() is 1) {
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313 return (IStatus) selection.getFirstElement();
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314 }
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315 }
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316 return null;
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317 }
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318
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319 /**
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320 * The selection in the multiple job list has changed. Update widget
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321 * enablements and repopulate the list.
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322 */
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323 void handleSelectionChange() {
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324 IStatus newSelection = getSingleSelection();
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325 setStatus(newSelection);
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326 updateEnablements();
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327 showDetailsArea();
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328 }
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329
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330 /*
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331 * (non-Javadoc)
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332 *
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333 * @see dwtx.jface.dialogs.ErrorDialog#shouldShowDetailsButton()
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334 */
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335 protected bool shouldShowDetailsButton() {
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336 return true;
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337 }
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338
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339 /**
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340 * Add the status to the receiver.
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341 * @param status
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342 */
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343 public void addStatus(IStatus status) {
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344 statuses.add(status);
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345 refresh();
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346
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347 }
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348
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349
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350 }
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351 ++/ |
