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1 /*******************************************************************************
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2 * Copyright (c) 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
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14 module dwtx.ui.internal.forms.MessageManager;
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15
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16 import dwtx.ui.internal.forms.Messages;
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17
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18 import dwt.DWT;
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19 import dwt.custom.CLabel;
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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.Label;
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23 import dwtx.jface.dialogs.IMessageProvider;
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24 import dwtx.jface.fieldassist.ControlDecoration;
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25 import dwtx.jface.fieldassist.FieldDecoration;
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26 import dwtx.jface.fieldassist.FieldDecorationRegistry;
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27 import dwtx.ui.forms.IMessage;
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28 import dwtx.ui.forms.IMessageManager;
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29 import dwtx.ui.forms.IMessagePrefixProvider;
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30 import dwtx.ui.forms.widgets.Hyperlink;
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31 import dwtx.ui.forms.widgets.ScrolledForm;
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32
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33 import dwt.dwthelper.utils;
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34
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35 import tango.util.collection.ArraySeq;
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36 import tango.util.collection.HashMap;
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37 import tango.util.Convert;
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76
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38 import tango.text.Text;
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39 import tango.io.FileConst;
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75
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40 /**
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41 * @see IMessageManager
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42 */
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43
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44 public class MessageManager : IMessageManager {
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45
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76
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46 private static DefaultPrefixProvider DEFAULT_PREFIX_PROVIDER_;
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47 private static DefaultPrefixProvider DEFAULT_PREFIX_PROVIDER(){
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75
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48 if( DEFAULT_PREFIX_PROVIDER_ is null ){
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49 synchronized(MessageManager.classinfo){
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50 if( DEFAULT_PREFIX_PROVIDER_ is null ){
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51 DEFAULT_PREFIX_PROVIDER_ = new DefaultPrefixProvider();
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52 }
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53 }
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54 }
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55 return DEFAULT_PREFIX_PROVIDER_;
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56 }
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57 private ArraySeq!(Object) messages;
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58 private HashMap!(Object,Object) decorators;
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59 private bool autoUpdate = true;
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60 private ScrolledForm scrolledForm;
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61 private IMessagePrefixProvider prefixProvider;
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62 private int decorationPosition = DWT.LEFT | DWT.BOTTOM;
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63
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64 private static FieldDecoration standardError_;
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65 private static FieldDecoration standardError(){
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66 if( standardError_ is null ){
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67 synchronized(MessageManager.classinfo){
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68 if( standardError_ is null ){
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69 standardError_ = FieldDecorationRegistry
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70 .getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_ERROR);
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71 }
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72 }
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73 }
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74 return standardError_;
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75 }
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76
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77 private static FieldDecoration standardWarning_;
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78 private static FieldDecoration standardWarning(){
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79 if( standardWarning_ is null ){
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80 synchronized(MessageManager.classinfo){
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81 if( standardWarning_ is null ){
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82 standardWarning_ = FieldDecorationRegistry
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83 .getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_WARNING);
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84 }
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85 }
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86 }
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87 return standardWarning_;
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88 }
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89
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90 private static FieldDecoration standardInformation_;
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91 private static FieldDecoration standardInformation(){
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92 if( standardInformation_ is null ){
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93 synchronized(MessageManager.classinfo){
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94 if( standardInformation_ is null ){
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95 standardInformation_ = FieldDecorationRegistry
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96 .getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_INFORMATION);
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97 }
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98 }
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99 }
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100 return standardInformation_;
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101 }
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102
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103 private static String[] SINGLE_MESSAGE_SUMMARY_KEYS;
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104 private static String[] MULTIPLE_MESSAGE_SUMMARY_KEYS;
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105
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106 static this(){
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107 SINGLE_MESSAGE_SUMMARY_KEYS = [
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75
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108 Messages.MessageManager_sMessageSummary,
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109 Messages.MessageManager_sMessageSummary,
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110 Messages.MessageManager_sWarningSummary,
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111 Messages.MessageManager_sErrorSummary ];
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112
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113 MULTIPLE_MESSAGE_SUMMARY_KEYS = [
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114 Messages.MessageManager_pMessageSummary,
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115 Messages.MessageManager_pMessageSummary,
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116 Messages.MessageManager_pWarningSummary,
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117 Messages.MessageManager_pErrorSummary ];
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76
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118 }
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75
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119
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120 static class Message : IMessage {
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121 Control control;
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122 Object data;
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123 Object key;
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124 String message;
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125 int type;
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126 String prefix;
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127
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128 this(Object key, String message, int type, Object data) {
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129 this.key = key;
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130 this.message = message;
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131 this.type = type;
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132 this.data = data;
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133 }
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134
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135 /*
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136 * (non-Javadoc)
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137 *
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138 * @see dwtx.jface.dialogs.IMessage#getKey()
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139 */
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140 public Object getKey() {
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141 return key;
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142 }
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143
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144 /*
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145 * (non-Javadoc)
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146 *
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147 * @see dwtx.jface.dialogs.IMessageProvider#getMessage()
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148 */
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149 public String getMessage() {
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150 return message;
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151 }
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152
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153 /*
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154 * (non-Javadoc)
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155 *
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156 * @see dwtx.jface.dialogs.IMessageProvider#getMessageType()
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157 */
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158 public int getMessageType() {
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159 return type;
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160 }
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161
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162 /*
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163 * (non-Javadoc)
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164 *
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165 * @see dwtx.ui.forms.messages.IMessage#getControl()
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166 */
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167 public Control getControl() {
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168 return control;
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169 }
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170
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171 /*
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172 * (non-Javadoc)
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173 *
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174 * @see dwtx.ui.forms.messages.IMessage#getData()
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175 */
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176 public Object getData() {
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177 return data;
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178 }
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179
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180 /*
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181 * (non-Javadoc)
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182 *
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183 * @see dwtx.ui.forms.messages.IMessage#getPrefix()
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184 */
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185 public String getPrefix() {
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186 return prefix;
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187 }
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188 }
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189
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190 static class DefaultPrefixProvider : IMessagePrefixProvider {
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191
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192 public String getPrefix(Control c) {
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193 Composite parent = c.getParent();
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194 Control[] siblings = parent.getChildren();
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195 for (int i = 0; i < siblings.length; i++) {
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196 if (siblings[i] is c) {
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197 // this is us - go backward until you hit
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198 // a label-like widget
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199 for (int j = i - 1; j >= 0; j--) {
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200 Control label = siblings[j];
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201 String ltext = null;
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202 if ( auto l = cast(Label)label ) {
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203 ltext = l.getText();
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204 } else if ( auto hl = cast(Hyperlink)label ) {
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205 ltext = hl.getText();
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206 } else if ( auto cl = cast(CLabel)label ) {
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207 ltext = cl.getText();
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208 }
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209 if (ltext !is null) {
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210 if (!ltext.endsWith(":")) //$NON-NLS-1$
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211 return ltext ~ ": "; //$NON-NLS-1$
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212 return ltext ~ " "; //$NON-NLS-1$
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213 }
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214 }
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215 break;
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216 }
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217 }
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218 return null;
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219 }
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220 }
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221
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222 class ControlDecorator {
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223 private ControlDecoration decoration;
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224 private ArraySeq!(Object) controlMessages;
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225 private String prefix;
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226
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227 this(Control control) {
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228 controlMessages = new ArraySeq!(Object);
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229 this.decoration = new ControlDecoration(control, decorationPosition, scrolledForm.getBody());
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230 }
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231
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232 public bool isDisposed() {
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233 return decoration.getControl() is null;
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234 }
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235
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236 void updatePrefix() {
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237 prefix = null;
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238 }
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239
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240 void updatePosition() {
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241 Control control = decoration.getControl();
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242 decoration.dispose();
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243 this.decoration = new ControlDecoration(control, decorationPosition, scrolledForm.getBody());
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244 update();
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245 }
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246
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247 String getPrefix() {
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248 if (prefix is null)
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249 createPrefix();
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250 return prefix;
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251 }
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252
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253 private void createPrefix() {
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254 if (prefixProvider is null) {
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255 prefix = ""; //$NON-NLS-1$
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256 return;
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257 }
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258 prefix = prefixProvider.getPrefix(decoration.getControl());
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259 if (prefix is null)
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260 // make a prefix anyway
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261 prefix = ""; //$NON-NLS-1$
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262 }
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263
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264 void addAll(ArraySeq!(Object) target) {
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265 foreach( o; controlMessages ){
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266 target.append(o);
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267 }
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268 }
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269
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270 void addMessage(Object key, String text, Object data, int type) {
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271 Message message = this.outer.addMessage(getPrefix(), key,
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272 text, data, type, controlMessages);
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273 message.control = decoration.getControl();
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274 if (isAutoUpdate())
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275 update();
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276 }
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277
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278 bool removeMessage(Object key) {
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279 Message message = findMessage(key, controlMessages);
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280 if (message !is null) {
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281 controlMessages.remove(message);
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282 if (isAutoUpdate())
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283 update();
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284 }
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285 return message !is null;
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286 }
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287
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288 bool removeMessages() {
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289 if (controlMessages.drained())
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290 return false;
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291 controlMessages.clear();
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292 if (isAutoUpdate())
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293 update();
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294 return true;
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295 }
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296
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297 public void update() {
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298 if (controlMessages.drained()) {
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299 decoration.setDescriptionText(null);
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300 decoration.hide();
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301 } else {
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302 auto peers = createPeers(controlMessages);
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303 int type = (cast(IMessage) peers.get(0)).getMessageType();
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304 String description = createDetails(createPeers(peers), true);
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305 if (type is IMessageProvider.ERROR)
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306 decoration.setImage(standardError.getImage());
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307 else if (type is IMessageProvider.WARNING)
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308 decoration.setImage(standardWarning.getImage());
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309 else if (type is IMessageProvider.INFORMATION)
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310 decoration.setImage(standardInformation.getImage());
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311 decoration.setDescriptionText(description);
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312 decoration.show();
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313 }
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314 }
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315 }
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316
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317 /**
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318 * Creates a new instance of the message manager that will work with the
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319 * provided form.
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320 *
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321 * @param scrolledForm
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322 * the form to control
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323 */
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324 public this(ScrolledForm scrolledForm) {
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325 prefixProvider = DEFAULT_PREFIX_PROVIDER;
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326 messages = new ArraySeq!(Object);
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327 decorators = new HashMap!(Object,Object);
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328 this.scrolledForm = scrolledForm;
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329 }
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330
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331 /*
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332 * (non-Javadoc)
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333 *
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334 * @see dwtx.ui.forms.IMessageManager#addMessage(java.lang.Object,
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335 * java.lang.String, int)
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336 */
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337 public void addMessage(Object key, String messageText, Object data, int type) {
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338 addMessage(null, key, messageText, data, type, messages);
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339 if (isAutoUpdate())
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340 updateForm();
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341 }
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342
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343 /*
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344 * (non-Javadoc)
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345 *
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346 * @see dwtx.ui.forms.IMessageManager#addMessage(java.lang.Object,
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347 * java.lang.String, int, dwt.widgets.Control)
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348 */
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349 public void addMessage(Object key, String messageText, Object data,
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350 int type, Control control) {
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351 ControlDecorator dec = cast(ControlDecorator) decorators.get(control);
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352
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353 if (dec is null) {
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354 dec = new ControlDecorator(control);
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355 decorators.add(control, dec);
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75
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356 }
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357 dec.addMessage(key, messageText, data, type);
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358 if (isAutoUpdate())
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359 updateForm();
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360 }
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361
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362 /*
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363 * (non-Javadoc)
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364 *
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365 * @see dwtx.ui.forms.IMessageManager#removeMessage(java.lang.Object)
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366 */
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367 public void removeMessage(Object key) {
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368 Message message = findMessage(key, messages);
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369 if (message !is null) {
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370 messages.remove(message);
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371 if (isAutoUpdate())
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372 updateForm();
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373 }
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374 }
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375
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376 /*
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377 * (non-Javadoc)
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378 *
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379 * @see dwtx.ui.forms.IMessageManager#removeMessages()
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380 */
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381 public void removeMessages() {
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382 if (!messages.drained()) {
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383 messages.clear();
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384 if (isAutoUpdate())
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385 updateForm();
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386 }
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387 }
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388
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389 /*
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390 * (non-Javadoc)
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391 *
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392 * @see dwtx.ui.forms.IMessageManager#removeMessage(java.lang.Object,
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393 * dwt.widgets.Control)
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394 */
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395 public void removeMessage(Object key, Control control) {
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396 ControlDecorator dec = cast(ControlDecorator) decorators.get(control);
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397 if (dec is null)
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398 return;
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399 if (dec.removeMessage(key))
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400 if (isAutoUpdate())
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401 updateForm();
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402 }
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403
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404 /*
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405 * (non-Javadoc)
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406 *
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407 * @see dwtx.ui.forms.IMessageManager#removeMessages(dwt.widgets.Control)
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408 */
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409 public void removeMessages(Control control) {
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410 ControlDecorator dec = cast(ControlDecorator) decorators.get(control);
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411 if (dec !is null) {
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412 if (dec.removeMessages()) {
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413 if (isAutoUpdate())
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414 updateForm();
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415 }
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416 }
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417 }
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418
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419 /*
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420 * (non-Javadoc)
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421 *
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422 * @see dwtx.ui.forms.IMessageManager#removeAllMessages()
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423 */
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424 public void removeAllMessages() {
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425 bool needsUpdate = false;
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76
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426 foreach( v; decorators ){
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427 ControlDecorator control = cast(ControlDecorator) v;
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75
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428 if (control.removeMessages())
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429 needsUpdate = true;
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430 }
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76
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431 if (!messages.drained()) {
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75
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432 messages.clear();
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433 needsUpdate = true;
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434 }
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435 if (needsUpdate && isAutoUpdate())
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436 updateForm();
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437 }
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438
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439 /*
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440 * Adds the message if it does not already exist in the provided list.
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441 */
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442
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443 private Message addMessage(String prefix, Object key, String messageText,
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444 Object data, int type, ArraySeq!(Object) list) {
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445 Message message = findMessage(key, list);
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446 if (message is null) {
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447 message = new Message(key, messageText, type, data);
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448 message.prefix = prefix;
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76
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449 list.append(message);
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75
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450 } else {
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451 message.message = messageText;
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452 message.type = type;
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453 message.data = data;
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454 }
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455 return message;
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456 }
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457
|
|
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458 /*
|
|
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459 * Finds the message with the provided key in the provided list.
|
|
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460 */
|
|
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461
|
|
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462 private Message findMessage(Object key, ArraySeq!(Object) list) {
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463 for (int i = 0; i < list.size(); i++) {
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|
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464 Message message = cast(Message) list.get(i);
|
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76
|
465 if (message.getKey().opEquals(key))
|
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75
|
466 return message;
|
|
|
467 }
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|
|
468 return null;
|
|
|
469 }
|
|
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470
|
|
|
471 /*
|
|
|
472 * (non-Javadoc)
|
|
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473 *
|
|
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474 * @see dwtx.ui.forms.IMessageManager#update()
|
|
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475 */
|
|
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476 public void update() {
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|
|
477 // Update decorations
|
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76
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478 foreach( v; decorators ){
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|
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479 ControlDecorator dec = cast(ControlDecorator) v;
|
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75
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480 dec.update();
|
|
|
481 }
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|
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482 // Update the form
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|
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483 updateForm();
|
|
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484 }
|
|
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485
|
|
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486 /*
|
|
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487 * Updates the container by rolling the messages up from the controls.
|
|
|
488 */
|
|
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489
|
|
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490 private void updateForm() {
|
|
76
|
491 ArraySeq!(Object) mergedList = new ArraySeq!(Object);
|
|
|
492 foreach( o; messages ){
|
|
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493 mergedList.append(o);
|
|
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494 }
|
|
|
495 foreach( v; decorators ){
|
|
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496 ControlDecorator dec = cast(ControlDecorator) v;
|
|
75
|
497 dec.addAll(mergedList);
|
|
|
498 }
|
|
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499 update(mergedList);
|
|
|
500 }
|
|
|
501
|
|
|
502 private void update(ArraySeq!(Object) mergedList) {
|
|
|
503 pruneControlDecorators();
|
|
76
|
504 if (scrolledForm.getForm().getHead().getBounds().height is 0 || mergedList.drained() || mergedList is null) {
|
|
75
|
505 scrolledForm.setMessage(null, IMessageProvider.NONE);
|
|
|
506 return;
|
|
|
507 }
|
|
|
508 auto peers = createPeers(mergedList);
|
|
|
509 int maxType = (cast(IMessage) peers.get(0)).getMessageType();
|
|
|
510 String messageText;
|
|
|
511 IMessage[] array = arraycast!(IMessage)( peers
|
|
|
512 .toArray());
|
|
|
513 if (peers.size() is 1 && (cast(Message) peers.get(0)).prefix is null) {
|
|
|
514 // a single message
|
|
|
515 IMessage message = cast(IMessage) peers.get(0);
|
|
|
516 messageText = message.getMessage();
|
|
|
517 scrolledForm.setMessage(messageText, maxType, array);
|
|
|
518 } else {
|
|
|
519 // show a summary message for the message
|
|
|
520 // and list of errors for the details
|
|
|
521 if (peers.size() > 1)
|
|
|
522 messageText = Messages.bind(
|
|
|
523 MULTIPLE_MESSAGE_SUMMARY_KEYS[maxType],
|
|
|
524 [ to!(String)(peers.size()) ]); //$NON-NLS-1$
|
|
|
525 else
|
|
|
526 messageText = SINGLE_MESSAGE_SUMMARY_KEYS[maxType];
|
|
|
527 scrolledForm.setMessage(messageText, maxType, array);
|
|
|
528 }
|
|
|
529 }
|
|
|
530
|
|
|
531 private static String getFullMessage(IMessage message) {
|
|
|
532 if (message.getPrefix() is null)
|
|
|
533 return message.getMessage();
|
|
76
|
534 return message.getPrefix() ~ message.getMessage();
|
|
75
|
535 }
|
|
|
536
|
|
76
|
537 private ArraySeq!(Object) createPeers(ArraySeq!(Object) messages) {
|
|
|
538 auto peers = new ArraySeq!(Object);
|
|
75
|
539 int maxType = 0;
|
|
76
|
540 foreach( o; messages ){
|
|
|
541 auto message = cast(Message)o;
|
|
75
|
542 if (message.type > maxType) {
|
|
|
543 peers.clear();
|
|
|
544 maxType = message.type;
|
|
|
545 }
|
|
|
546 if (message.type is maxType)
|
|
|
547 peers.append(message);
|
|
|
548 }
|
|
|
549 return peers;
|
|
|
550 }
|
|
|
551
|
|
|
552 private String createDetails(ArraySeq!(Object) messages, bool excludePrefix) {
|
|
76
|
553 auto txt = new tango.text.Text.Text!(char);
|
|
75
|
554
|
|
|
555 for (int i = 0; i < messages.size(); i++) {
|
|
|
556 if (i > 0)
|
|
76
|
557 txt.append( FileConst.NewlineString );
|
|
75
|
558 IMessage m = cast(IMessage) messages.get(i);
|
|
76
|
559 txt.append(excludePrefix ? m.getMessage() : getFullMessage(m));
|
|
75
|
560 }
|
|
76
|
561 return txt.toString();
|
|
75
|
562 }
|
|
|
563
|
|
|
564 public static String createDetails(IMessage[] messages) {
|
|
|
565 if (messages is null || messages.length is 0)
|
|
|
566 return null;
|
|
76
|
567 auto txt = new tango.text.Text.Text!(char);
|
|
75
|
568
|
|
|
569 for (int i = 0; i < messages.length; i++) {
|
|
|
570 if (i > 0)
|
|
76
|
571 txt.append( FileConst.NewlineString );
|
|
|
572 txt.append(getFullMessage(messages[i]));
|
|
75
|
573 }
|
|
76
|
574 return txt.toString();
|
|
75
|
575 }
|
|
|
576
|
|
|
577 /*
|
|
|
578 * (non-Javadoc)
|
|
|
579 *
|
|
|
580 * @see dwtx.ui.forms.IMessageManager#createSummary(dwtx.ui.forms.IMessage[])
|
|
|
581 */
|
|
|
582 public String createSummary(IMessage[] messages) {
|
|
|
583 return createDetails(messages);
|
|
|
584 }
|
|
|
585
|
|
|
586 private void pruneControlDecorators() {
|
|
76
|
587 foreach( o; decorators.dup ){
|
|
|
588 ControlDecorator dec = cast(ControlDecorator) o;
|
|
75
|
589 if (dec.isDisposed())
|
|
76
|
590 decorators.remove(o);
|
|
75
|
591 }
|
|
|
592 }
|
|
|
593
|
|
|
594 /*
|
|
|
595 * (non-Javadoc)
|
|
|
596 *
|
|
|
597 * @see dwtx.ui.forms.IMessageManager#getMessagePrefixProvider()
|
|
|
598 */
|
|
|
599 public IMessagePrefixProvider getMessagePrefixProvider() {
|
|
|
600 return prefixProvider;
|
|
|
601 }
|
|
|
602
|
|
|
603 /*
|
|
|
604 * (non-Javadoc)
|
|
|
605 *
|
|
|
606 * @see dwtx.ui.forms.IMessageManager#setMessagePrefixProvider(dwtx.ui.forms.IMessagePrefixProvider)
|
|
|
607 */
|
|
|
608 public void setMessagePrefixProvider(IMessagePrefixProvider provider) {
|
|
|
609 this.prefixProvider = provider;
|
|
76
|
610 foreach( o; decorators ){
|
|
|
611 ControlDecorator dec = cast(ControlDecorator) o;
|
|
75
|
612 dec.updatePrefix();
|
|
|
613 }
|
|
|
614 }
|
|
|
615
|
|
|
616 /*
|
|
|
617 * (non-Javadoc)
|
|
|
618 *
|
|
|
619 * @see dwtx.ui.forms.IMessageManager#getDecorationPosition()
|
|
|
620 */
|
|
|
621 public int getDecorationPosition() {
|
|
|
622 return decorationPosition;
|
|
|
623 }
|
|
|
624
|
|
|
625 /*
|
|
|
626 * (non-Javadoc)
|
|
|
627 *
|
|
|
628 * @see dwtx.ui.forms.IMessageManager#setDecorationPosition(int)
|
|
|
629 */
|
|
|
630 public void setDecorationPosition(int position) {
|
|
|
631 this.decorationPosition = position;
|
|
76
|
632 foreach( o; decorators ){
|
|
|
633 ControlDecorator dec = cast(ControlDecorator) o;
|
|
75
|
634 dec.updatePosition();
|
|
|
635 }
|
|
|
636 }
|
|
|
637
|
|
|
638 /*
|
|
|
639 * (non-Javadoc)
|
|
|
640 *
|
|
|
641 * @see dwtx.ui.forms.IMessageManager#isAutoUpdate()
|
|
|
642 */
|
|
|
643 public bool isAutoUpdate() {
|
|
|
644 return autoUpdate;
|
|
|
645 }
|
|
|
646
|
|
|
647 /*
|
|
|
648 * (non-Javadoc)
|
|
|
649 *
|
|
|
650 * @see dwtx.ui.forms.IMessageManager#setAutoUpdate(bool)
|
|
|
651 */
|
|
|
652 public void setAutoUpdate(bool autoUpdate) {
|
|
|
653 bool needsUpdate = !this.autoUpdate && autoUpdate;
|
|
|
654 this.autoUpdate = autoUpdate;
|
|
|
655 if (needsUpdate)
|
|
|
656 update();
|
|
|
657 }
|
|
|
658 }
|
