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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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94
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39 version(TANGOSVN) {
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40 import tango.io.model.IFile;
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41 }
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42 else{
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43 import tango.io.FileConst;
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44 }
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45
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75
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46 /**
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47 * @see IMessageManager
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48 */
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49
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50 public class MessageManager : IMessageManager {
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51
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76
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52 private static DefaultPrefixProvider DEFAULT_PREFIX_PROVIDER_;
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53 private static DefaultPrefixProvider DEFAULT_PREFIX_PROVIDER(){
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75
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54 if( DEFAULT_PREFIX_PROVIDER_ is null ){
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55 synchronized(MessageManager.classinfo){
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56 if( DEFAULT_PREFIX_PROVIDER_ is null ){
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57 DEFAULT_PREFIX_PROVIDER_ = new DefaultPrefixProvider();
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58 }
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59 }
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60 }
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61 return DEFAULT_PREFIX_PROVIDER_;
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62 }
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63 private ArraySeq!(Object) messages;
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64 private HashMap!(Object,Object) decorators;
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65 private bool autoUpdate = true;
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66 private ScrolledForm scrolledForm;
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67 private IMessagePrefixProvider prefixProvider;
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68 private int decorationPosition = DWT.LEFT | DWT.BOTTOM;
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69
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70 private static FieldDecoration standardError_;
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71 private static FieldDecoration standardError(){
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72 if( standardError_ is null ){
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73 synchronized(MessageManager.classinfo){
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74 if( standardError_ is null ){
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75 standardError_ = FieldDecorationRegistry
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76 .getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_ERROR);
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77 }
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78 }
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79 }
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80 return standardError_;
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81 }
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82
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83 private static FieldDecoration standardWarning_;
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84 private static FieldDecoration standardWarning(){
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85 if( standardWarning_ is null ){
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86 synchronized(MessageManager.classinfo){
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87 if( standardWarning_ is null ){
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88 standardWarning_ = FieldDecorationRegistry
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89 .getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_WARNING);
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90 }
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91 }
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92 }
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93 return standardWarning_;
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94 }
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95
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96 private static FieldDecoration standardInformation_;
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97 private static FieldDecoration standardInformation(){
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98 if( standardInformation_ is null ){
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99 synchronized(MessageManager.classinfo){
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100 if( standardInformation_ is null ){
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101 standardInformation_ = FieldDecorationRegistry
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102 .getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_INFORMATION);
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103 }
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104 }
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105 }
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106 return standardInformation_;
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107 }
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108
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78
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109 private static String[] SINGLE_MESSAGE_SUMMARY_KEYS_;
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110 private static String[] SINGLE_MESSAGE_SUMMARY_KEYS(){
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111 if( SINGLE_MESSAGE_SUMMARY_KEYS_ is null ){
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112 synchronized(MessageManager.classinfo){
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113 if( SINGLE_MESSAGE_SUMMARY_KEYS_ is null ){
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114 SINGLE_MESSAGE_SUMMARY_KEYS_ = [
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115 Messages.MessageManager_sMessageSummary,
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116 Messages.MessageManager_sMessageSummary,
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117 Messages.MessageManager_sWarningSummary,
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118 Messages.MessageManager_sErrorSummary ];
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119 }
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120 }
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121 }
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122 return SINGLE_MESSAGE_SUMMARY_KEYS_;
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123 }
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76
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124
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78
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125 private static String[] MULTIPLE_MESSAGE_SUMMARY_KEYS_;
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126 private static String[] MULTIPLE_MESSAGE_SUMMARY_KEYS(){
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127 if( MULTIPLE_MESSAGE_SUMMARY_KEYS_ is null ){
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128 synchronized(MessageManager.classinfo){
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129 if( MULTIPLE_MESSAGE_SUMMARY_KEYS_ is null ){
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130 MULTIPLE_MESSAGE_SUMMARY_KEYS_ = [
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131 Messages.MessageManager_pMessageSummary,
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132 Messages.MessageManager_pMessageSummary,
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133 Messages.MessageManager_pWarningSummary,
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134 Messages.MessageManager_pErrorSummary ];
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135 }
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136 }
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137 }
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138 return MULTIPLE_MESSAGE_SUMMARY_KEYS_;
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76
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139 }
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75
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140
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141 static class Message : IMessage {
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142 Control control;
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143 Object data;
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144 Object key;
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145 String message;
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146 int type;
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147 String prefix;
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148
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149 this(Object key, String message, int type, Object data) {
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150 this.key = key;
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151 this.message = message;
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152 this.type = type;
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153 this.data = data;
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154 }
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155
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156 /*
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157 * (non-Javadoc)
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158 *
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159 * @see dwtx.jface.dialogs.IMessage#getKey()
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160 */
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161 public Object getKey() {
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162 return key;
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163 }
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164
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165 /*
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166 * (non-Javadoc)
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167 *
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168 * @see dwtx.jface.dialogs.IMessageProvider#getMessage()
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169 */
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170 public String getMessage() {
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171 return message;
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172 }
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173
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174 /*
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175 * (non-Javadoc)
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176 *
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177 * @see dwtx.jface.dialogs.IMessageProvider#getMessageType()
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178 */
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179 public int getMessageType() {
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180 return type;
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181 }
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182
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183 /*
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184 * (non-Javadoc)
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185 *
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186 * @see dwtx.ui.forms.messages.IMessage#getControl()
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187 */
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188 public Control getControl() {
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189 return control;
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190 }
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191
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192 /*
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193 * (non-Javadoc)
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194 *
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195 * @see dwtx.ui.forms.messages.IMessage#getData()
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196 */
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197 public Object getData() {
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198 return data;
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199 }
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200
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201 /*
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202 * (non-Javadoc)
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203 *
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204 * @see dwtx.ui.forms.messages.IMessage#getPrefix()
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205 */
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206 public String getPrefix() {
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207 return prefix;
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208 }
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209 }
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210
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211 static class DefaultPrefixProvider : IMessagePrefixProvider {
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212
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213 public String getPrefix(Control c) {
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214 Composite parent = c.getParent();
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215 Control[] siblings = parent.getChildren();
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216 for (int i = 0; i < siblings.length; i++) {
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217 if (siblings[i] is c) {
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218 // this is us - go backward until you hit
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219 // a label-like widget
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220 for (int j = i - 1; j >= 0; j--) {
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221 Control label = siblings[j];
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222 String ltext = null;
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223 if ( auto l = cast(Label)label ) {
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224 ltext = l.getText();
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225 } else if ( auto hl = cast(Hyperlink)label ) {
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226 ltext = hl.getText();
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227 } else if ( auto cl = cast(CLabel)label ) {
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228 ltext = cl.getText();
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229 }
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230 if (ltext !is null) {
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231 if (!ltext.endsWith(":")) //$NON-NLS-1$
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232 return ltext ~ ": "; //$NON-NLS-1$
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233 return ltext ~ " "; //$NON-NLS-1$
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234 }
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235 }
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236 break;
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237 }
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238 }
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239 return null;
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240 }
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241 }
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242
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243 class ControlDecorator {
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244 private ControlDecoration decoration;
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76
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245 private ArraySeq!(Object) controlMessages;
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75
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246 private String prefix;
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247
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248 this(Control control) {
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249 controlMessages = new ArraySeq!(Object);
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75
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250 this.decoration = new ControlDecoration(control, decorationPosition, scrolledForm.getBody());
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251 }
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252
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253 public bool isDisposed() {
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254 return decoration.getControl() is null;
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255 }
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256
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257 void updatePrefix() {
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258 prefix = null;
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259 }
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260
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261 void updatePosition() {
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262 Control control = decoration.getControl();
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263 decoration.dispose();
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264 this.decoration = new ControlDecoration(control, decorationPosition, scrolledForm.getBody());
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265 update();
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266 }
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267
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268 String getPrefix() {
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269 if (prefix is null)
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270 createPrefix();
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271 return prefix;
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272 }
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273
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274 private void createPrefix() {
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275 if (prefixProvider is null) {
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276 prefix = ""; //$NON-NLS-1$
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277 return;
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278 }
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279 prefix = prefixProvider.getPrefix(decoration.getControl());
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280 if (prefix is null)
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281 // make a prefix anyway
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282 prefix = ""; //$NON-NLS-1$
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283 }
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284
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285 void addAll(ArraySeq!(Object) target) {
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286 foreach( o; controlMessages ){
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287 target.append(o);
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288 }
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289 }
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290
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291 void addMessage(Object key, String text, Object data, int type) {
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292 Message message = this.outer.addMessage(getPrefix(), key,
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293 text, data, type, controlMessages);
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294 message.control = decoration.getControl();
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295 if (isAutoUpdate())
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296 update();
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297 }
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298
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299 bool removeMessage(Object key) {
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300 Message message = findMessage(key, controlMessages);
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301 if (message !is null) {
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302 controlMessages.remove(message);
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303 if (isAutoUpdate())
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304 update();
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305 }
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306 return message !is null;
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307 }
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308
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309 bool removeMessages() {
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310 if (controlMessages.drained())
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311 return false;
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312 controlMessages.clear();
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313 if (isAutoUpdate())
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314 update();
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315 return true;
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316 }
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317
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318 public void update() {
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319 if (controlMessages.drained()) {
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320 decoration.setDescriptionText(null);
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321 decoration.hide();
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322 } else {
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323 auto peers = createPeers(controlMessages);
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324 int type = (cast(IMessage) peers.get(0)).getMessageType();
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325 String description = createDetails(createPeers(peers), true);
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326 if (type is IMessageProvider.ERROR)
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327 decoration.setImage(standardError.getImage());
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328 else if (type is IMessageProvider.WARNING)
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329 decoration.setImage(standardWarning.getImage());
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330 else if (type is IMessageProvider.INFORMATION)
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331 decoration.setImage(standardInformation.getImage());
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332 decoration.setDescriptionText(description);
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333 decoration.show();
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334 }
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335 }
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336 }
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337
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338 /**
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339 * Creates a new instance of the message manager that will work with the
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340 * provided form.
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341 *
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342 * @param scrolledForm
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343 * the form to control
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344 */
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345 public this(ScrolledForm scrolledForm) {
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346 prefixProvider = DEFAULT_PREFIX_PROVIDER;
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347 messages = new ArraySeq!(Object);
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348 decorators = new HashMap!(Object,Object);
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349 this.scrolledForm = scrolledForm;
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350 }
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351
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352 /*
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353 * (non-Javadoc)
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354 *
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355 * @see dwtx.ui.forms.IMessageManager#addMessage(java.lang.Object,
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356 * java.lang.String, int)
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357 */
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358 public void addMessage(Object key, String messageText, Object data, int type) {
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359 addMessage(null, key, messageText, data, type, messages);
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360 if (isAutoUpdate())
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361 updateForm();
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362 }
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363
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364 /*
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365 * (non-Javadoc)
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366 *
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367 * @see dwtx.ui.forms.IMessageManager#addMessage(java.lang.Object,
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368 * java.lang.String, int, dwt.widgets.Control)
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369 */
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370 public void addMessage(Object key, String messageText, Object data,
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371 int type, Control control) {
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372 ControlDecorator dec = cast(ControlDecorator) decorators.get(control);
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373
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374 if (dec is null) {
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375 dec = new ControlDecorator(control);
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376 decorators.add(control, dec);
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75
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377 }
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378 dec.addMessage(key, messageText, data, type);
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379 if (isAutoUpdate())
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380 updateForm();
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381 }
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382
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383 /*
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384 * (non-Javadoc)
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385 *
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386 * @see dwtx.ui.forms.IMessageManager#removeMessage(java.lang.Object)
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387 */
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388 public void removeMessage(Object key) {
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389 Message message = findMessage(key, messages);
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390 if (message !is null) {
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391 messages.remove(message);
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392 if (isAutoUpdate())
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393 updateForm();
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394 }
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395 }
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396
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397 /*
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398 * (non-Javadoc)
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399 *
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400 * @see dwtx.ui.forms.IMessageManager#removeMessages()
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401 */
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402 public void removeMessages() {
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403 if (!messages.drained()) {
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404 messages.clear();
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405 if (isAutoUpdate())
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406 updateForm();
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407 }
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408 }
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409
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410 /*
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411 * (non-Javadoc)
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412 *
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413 * @see dwtx.ui.forms.IMessageManager#removeMessage(java.lang.Object,
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414 * dwt.widgets.Control)
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415 */
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416 public void removeMessage(Object key, Control control) {
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417 ControlDecorator dec = cast(ControlDecorator) decorators.get(control);
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418 if (dec is null)
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419 return;
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420 if (dec.removeMessage(key))
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421 if (isAutoUpdate())
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422 updateForm();
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423 }
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424
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425 /*
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426 * (non-Javadoc)
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427 *
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428 * @see dwtx.ui.forms.IMessageManager#removeMessages(dwt.widgets.Control)
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429 */
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430 public void removeMessages(Control control) {
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431 ControlDecorator dec = cast(ControlDecorator) decorators.get(control);
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432 if (dec !is null) {
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433 if (dec.removeMessages()) {
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434 if (isAutoUpdate())
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435 updateForm();
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436 }
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437 }
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438 }
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439
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440 /*
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441 * (non-Javadoc)
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442 *
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443 * @see dwtx.ui.forms.IMessageManager#removeAllMessages()
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444 */
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445 public void removeAllMessages() {
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446 bool needsUpdate = false;
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76
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447 foreach( v; decorators ){
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448 ControlDecorator control = cast(ControlDecorator) v;
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75
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449 if (control.removeMessages())
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450 needsUpdate = true;
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451 }
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76
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452 if (!messages.drained()) {
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75
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453 messages.clear();
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454 needsUpdate = true;
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455 }
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456 if (needsUpdate && isAutoUpdate())
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457 updateForm();
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458 }
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459
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460 /*
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461 * Adds the message if it does not already exist in the provided list.
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462 */
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463
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464 private Message addMessage(String prefix, Object key, String messageText,
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465 Object data, int type, ArraySeq!(Object) list) {
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466 Message message = findMessage(key, list);
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467 if (message is null) {
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468 message = new Message(key, messageText, type, data);
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469 message.prefix = prefix;
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76
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470 list.append(message);
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75
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471 } else {
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472 message.message = messageText;
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473 message.type = type;
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474 message.data = data;
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475 }
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476 return message;
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477 }
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478
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479 /*
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480 * Finds the message with the provided key in the provided list.
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481 */
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482
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483 private Message findMessage(Object key, ArraySeq!(Object) list) {
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484 for (int i = 0; i < list.size(); i++) {
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485 Message message = cast(Message) list.get(i);
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76
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486 if (message.getKey().opEquals(key))
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75
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487 return message;
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488 }
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489 return null;
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490 }
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491
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492 /*
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493 * (non-Javadoc)
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494 *
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495 * @see dwtx.ui.forms.IMessageManager#update()
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496 */
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497 public void update() {
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498 // Update decorations
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76
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499 foreach( v; decorators ){
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500 ControlDecorator dec = cast(ControlDecorator) v;
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75
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501 dec.update();
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502 }
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503 // Update the form
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504 updateForm();
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505 }
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506
|
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507 /*
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508 * Updates the container by rolling the messages up from the controls.
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509 */
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510
|
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511 private void updateForm() {
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76
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512 ArraySeq!(Object) mergedList = new ArraySeq!(Object);
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513 foreach( o; messages ){
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514 mergedList.append(o);
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515 }
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516 foreach( v; decorators ){
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517 ControlDecorator dec = cast(ControlDecorator) v;
|
|
75
|
518 dec.addAll(mergedList);
|
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519 }
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520 update(mergedList);
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|
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521 }
|
|
|
522
|
|
|
523 private void update(ArraySeq!(Object) mergedList) {
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|
|
524 pruneControlDecorators();
|
|
76
|
525 if (scrolledForm.getForm().getHead().getBounds().height is 0 || mergedList.drained() || mergedList is null) {
|
|
75
|
526 scrolledForm.setMessage(null, IMessageProvider.NONE);
|
|
|
527 return;
|
|
|
528 }
|
|
|
529 auto peers = createPeers(mergedList);
|
|
|
530 int maxType = (cast(IMessage) peers.get(0)).getMessageType();
|
|
|
531 String messageText;
|
|
|
532 IMessage[] array = arraycast!(IMessage)( peers
|
|
|
533 .toArray());
|
|
|
534 if (peers.size() is 1 && (cast(Message) peers.get(0)).prefix is null) {
|
|
|
535 // a single message
|
|
|
536 IMessage message = cast(IMessage) peers.get(0);
|
|
|
537 messageText = message.getMessage();
|
|
|
538 scrolledForm.setMessage(messageText, maxType, array);
|
|
|
539 } else {
|
|
|
540 // show a summary message for the message
|
|
|
541 // and list of errors for the details
|
|
|
542 if (peers.size() > 1)
|
|
|
543 messageText = Messages.bind(
|
|
|
544 MULTIPLE_MESSAGE_SUMMARY_KEYS[maxType],
|
|
|
545 [ to!(String)(peers.size()) ]); //$NON-NLS-1$
|
|
|
546 else
|
|
|
547 messageText = SINGLE_MESSAGE_SUMMARY_KEYS[maxType];
|
|
|
548 scrolledForm.setMessage(messageText, maxType, array);
|
|
|
549 }
|
|
|
550 }
|
|
|
551
|
|
|
552 private static String getFullMessage(IMessage message) {
|
|
|
553 if (message.getPrefix() is null)
|
|
|
554 return message.getMessage();
|
|
76
|
555 return message.getPrefix() ~ message.getMessage();
|
|
75
|
556 }
|
|
|
557
|
|
76
|
558 private ArraySeq!(Object) createPeers(ArraySeq!(Object) messages) {
|
|
|
559 auto peers = new ArraySeq!(Object);
|
|
75
|
560 int maxType = 0;
|
|
76
|
561 foreach( o; messages ){
|
|
|
562 auto message = cast(Message)o;
|
|
75
|
563 if (message.type > maxType) {
|
|
|
564 peers.clear();
|
|
|
565 maxType = message.type;
|
|
|
566 }
|
|
|
567 if (message.type is maxType)
|
|
|
568 peers.append(message);
|
|
|
569 }
|
|
|
570 return peers;
|
|
|
571 }
|
|
|
572
|
|
|
573 private String createDetails(ArraySeq!(Object) messages, bool excludePrefix) {
|
|
76
|
574 auto txt = new tango.text.Text.Text!(char);
|
|
75
|
575
|
|
|
576 for (int i = 0; i < messages.size(); i++) {
|
|
|
577 if (i > 0)
|
|
76
|
578 txt.append( FileConst.NewlineString );
|
|
75
|
579 IMessage m = cast(IMessage) messages.get(i);
|
|
76
|
580 txt.append(excludePrefix ? m.getMessage() : getFullMessage(m));
|
|
75
|
581 }
|
|
76
|
582 return txt.toString();
|
|
75
|
583 }
|
|
|
584
|
|
|
585 public static String createDetails(IMessage[] messages) {
|
|
|
586 if (messages is null || messages.length is 0)
|
|
|
587 return null;
|
|
76
|
588 auto txt = new tango.text.Text.Text!(char);
|
|
75
|
589
|
|
|
590 for (int i = 0; i < messages.length; i++) {
|
|
|
591 if (i > 0)
|
|
76
|
592 txt.append( FileConst.NewlineString );
|
|
|
593 txt.append(getFullMessage(messages[i]));
|
|
75
|
594 }
|
|
76
|
595 return txt.toString();
|
|
75
|
596 }
|
|
|
597
|
|
|
598 /*
|
|
|
599 * (non-Javadoc)
|
|
|
600 *
|
|
|
601 * @see dwtx.ui.forms.IMessageManager#createSummary(dwtx.ui.forms.IMessage[])
|
|
|
602 */
|
|
|
603 public String createSummary(IMessage[] messages) {
|
|
|
604 return createDetails(messages);
|
|
|
605 }
|
|
|
606
|
|
|
607 private void pruneControlDecorators() {
|
|
76
|
608 foreach( o; decorators.dup ){
|
|
|
609 ControlDecorator dec = cast(ControlDecorator) o;
|
|
75
|
610 if (dec.isDisposed())
|
|
76
|
611 decorators.remove(o);
|
|
75
|
612 }
|
|
|
613 }
|
|
|
614
|
|
|
615 /*
|
|
|
616 * (non-Javadoc)
|
|
|
617 *
|
|
|
618 * @see dwtx.ui.forms.IMessageManager#getMessagePrefixProvider()
|
|
|
619 */
|
|
|
620 public IMessagePrefixProvider getMessagePrefixProvider() {
|
|
|
621 return prefixProvider;
|
|
|
622 }
|
|
|
623
|
|
|
624 /*
|
|
|
625 * (non-Javadoc)
|
|
|
626 *
|
|
|
627 * @see dwtx.ui.forms.IMessageManager#setMessagePrefixProvider(dwtx.ui.forms.IMessagePrefixProvider)
|
|
|
628 */
|
|
|
629 public void setMessagePrefixProvider(IMessagePrefixProvider provider) {
|
|
|
630 this.prefixProvider = provider;
|
|
76
|
631 foreach( o; decorators ){
|
|
|
632 ControlDecorator dec = cast(ControlDecorator) o;
|
|
75
|
633 dec.updatePrefix();
|
|
|
634 }
|
|
|
635 }
|
|
|
636
|
|
|
637 /*
|
|
|
638 * (non-Javadoc)
|
|
|
639 *
|
|
|
640 * @see dwtx.ui.forms.IMessageManager#getDecorationPosition()
|
|
|
641 */
|
|
|
642 public int getDecorationPosition() {
|
|
|
643 return decorationPosition;
|
|
|
644 }
|
|
|
645
|
|
|
646 /*
|
|
|
647 * (non-Javadoc)
|
|
|
648 *
|
|
|
649 * @see dwtx.ui.forms.IMessageManager#setDecorationPosition(int)
|
|
|
650 */
|
|
|
651 public void setDecorationPosition(int position) {
|
|
|
652 this.decorationPosition = position;
|
|
76
|
653 foreach( o; decorators ){
|
|
|
654 ControlDecorator dec = cast(ControlDecorator) o;
|
|
75
|
655 dec.updatePosition();
|
|
|
656 }
|
|
|
657 }
|
|
|
658
|
|
|
659 /*
|
|
|
660 * (non-Javadoc)
|
|
|
661 *
|
|
|
662 * @see dwtx.ui.forms.IMessageManager#isAutoUpdate()
|
|
|
663 */
|
|
|
664 public bool isAutoUpdate() {
|
|
|
665 return autoUpdate;
|
|
|
666 }
|
|
|
667
|
|
|
668 /*
|
|
|
669 * (non-Javadoc)
|
|
|
670 *
|
|
|
671 * @see dwtx.ui.forms.IMessageManager#setAutoUpdate(bool)
|
|
|
672 */
|
|
|
673 public void setAutoUpdate(bool autoUpdate) {
|
|
|
674 bool needsUpdate = !this.autoUpdate && autoUpdate;
|
|
|
675 this.autoUpdate = autoUpdate;
|
|
|
676 if (needsUpdate)
|
|
|
677 update();
|
|
|
678 }
|
|
|
679 }
|
