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3
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1 /**
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2 * Title: tn5250J
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3 * Copyright: Copyright (c) 2001
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4 * Company:
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5 * @author Kenneth J. Pouncey
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6 * @version 0.4
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7 *
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8 * Description:
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9 *
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10 * This program is free software; you can redistribute it and/or modify
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11 * it under the terms of the GNU General Public License as published by
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12 * the Free Software Foundation; either version 2, or (at your option)
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13 * any later version.
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14 *
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15 * This program is distributed in the hope that it will be useful,
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16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 * GNU General Public License for more details.
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19 *
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20 * You should have received a copy of the GNU General Public License
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21 * along with this software; see the file COPYING. If not, write to
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22 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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23 * Boston, MA 02111-1307 USA
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24 *
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25 */
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26 package org.tn5250j.framework.tn5250;
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27
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28 public class ScreenField {
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29
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30 protected ScreenField(Screen5250 s) {
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31
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32 this.s = s;
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33
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34 }
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35
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36 protected ScreenField setField(int attr, int len, int ffw1, int ffw2,
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37 int fcw1, int fcw2) {
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38
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39 return setField(attr,
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40 s.getCurrentRow() - 1,
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41 s.getCurrentCol() - 1,
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42 len,
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43 ffw1,
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44 ffw2,
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45 fcw1,
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46 fcw2);
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47 }
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48
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49 protected ScreenField setField(int attr, int row, int col, int len, int ffw1, int ffw2,
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50 int fcw1, int fcw2) {
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51
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52 // startRow = row;
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53 // startCol = col;
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54 startPos = (row * s.getColumns()) + col;
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55 endPos = startPos + length -1;
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56 cursorProg = 0;
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57 fieldId = 0;
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58 length = len;
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59 endPos = startPos + length -1;
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60 this.attr = attr;
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61 setFFWs(ffw1,ffw2);
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62 setFCWs(fcw1,fcw2);
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63
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64 next = null;
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65 prev = null;
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66
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67 return this;
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68
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69 }
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70
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71 public int getAttr(){
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72 return attr;
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73 }
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74
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75 public int getHighlightedAttr(){
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76 return (fcw2 & 0x0f) | 0x20;
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77 }
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78
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79 public int getLength(){
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80 return length;
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81 }
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82
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83 protected boolean setFFWs(int ffw1, int ffw2) {
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84
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85 this.ffw1 = ffw1;
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86 this.ffw2 = ffw2;
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87
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88 int adj = getAdjustment();
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89
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90 if (adj > 0) {
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91 checkCanSend = true;
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92
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93 switch (adj) {
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94
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95 case 5:
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96 case 6:
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97 rightAdjd = false;
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98 break;
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99 case 7:
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100 manditoried = false;
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101 break;
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102 }
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103
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104 }
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105 mdt = (ffw1 & 0x8 ) == 0x8;
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106 // if (mdt)
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107 // s.masterMDT = true;
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108 return mdt;
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109 }
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110
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111
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112 public int getFFW1(){
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113 return ffw1;
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114 }
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115 public int getFFW2(){
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116 return ffw2;
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117 }
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118
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119 protected void setFCWs(int fcw1, int fcw2) {
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120
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121 this.fcw1 = fcw1;
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122 this.fcw2 = fcw2;
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123
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124 // if ((fcw1 & 0x88) == 0x88) {
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125 if (fcw1 == 0x88) {
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126
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127 cursorProg = fcw2;
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128 }
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129 }
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130
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131 public int getFCW1(){
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132 return fcw1;
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133 }
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134
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135 public int getFCW2(){
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136 return fcw2;
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137 }
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138
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139 public int getFieldLength(){
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140 return length;
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141 }
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142
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143 public int getCursorProgression() {
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144 return cursorProg;
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145 }
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146
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147 public int getFieldId() {
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148 return fieldId;
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149 }
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150
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151 protected void setFieldId(int fi) {
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152 fieldId = fi;
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153 }
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154
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155 public int getCursorRow() {
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156
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157 return cursorPos / s.getColumns();
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158 }
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159
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160 public int getCursorCol() {
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161
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162 return cursorPos % s.getColumns();
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163 }
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164
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165 protected void changePos(int i) {
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166
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167 cursorPos += i;
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168
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169 }
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170
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171 protected String getText() {
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172
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173
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174 StringBuffer text = new StringBuffer();
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175 getKeyPos(endPos);
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176 int x = length;
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177 text.setLength(x);
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178 while (x-- > 0) {
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179
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180 // here we manipulate the unicode characters a little for attributes
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181 // that are imbedded in input fields. We will offset them by unicode
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182 // \uff00. All routines that process these fields will have to
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183 // return them to their proper offsets.
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184 // example:
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185 // if we read an attribute byte of 32 for normal display the unicode
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186 // character for this is \u0020 and the unicode character for
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187 // a space is also \u0020 thus the offset.
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188 if (s.planes.isAttributePlace(cursorPos)) {
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189 text.setCharAt(x,(char)('\uff00' + s.planes.getCharAttr(cursorPos)));
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190 }
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191 else {
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192 text.setCharAt(x,s.planes.getChar(cursorPos));
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193 }
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194 changePos(-1);
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195
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196 }
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197
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198 // Since only the mdt of the first continued field is set we will get
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199 // the text of the next continued field if we are dealing with continued
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200 // fields. See routine setMDT for the whys of this. This is only
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201 // executed if this is the first field of a continued field.
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202 if (isContinued() && isContinuedFirst()) {
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203 ScreenField sf = this;
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204 do {
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205 sf = sf.next;
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206 text.append(sf.getText());
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207 }
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208 while (!sf.isContinuedLast());
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209
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210 sf = null;
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211 }
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212
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213 return text.toString();
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214
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215 }
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216
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217 public String getString() {
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218
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219
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220 StringBuffer text = new StringBuffer();
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221 getKeyPos(endPos);
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222 int x = length;
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223 text.setLength(x);
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224 while (x-- > 0) {
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225
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226 // here we manipulate the unicode characters a little for attributes
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227 // that are imbedded in input fields. We will offset them by unicode
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228 // \uff00. All routines that process these fields will have to
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229 // return them to their proper offsets.
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230 // example:
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231 // if we read an attribute byte of 32 for normal display the unicode
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232 // character for this is \u0020 and the unicode character for
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233 // a space is also \u0020 thus the offset.
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234 if (s.planes.isAttributePlace(cursorPos)) {
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235 text.setCharAt(x,(char)('\uff00' + s.planes.getCharAttr(cursorPos)));
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236 }
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237 else {
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238 if (s.planes.getChar(cursorPos) < ' ')
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239 text.setCharAt(x,' ');
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240 else
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241 text.setCharAt(x,s.planes.getChar(cursorPos));
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242 }
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243 changePos(-1);
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244
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245 }
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246
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247 // Since only the mdt of the first continued field is set we will get
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248 // the text of the next continued field if we are dealing with continued
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249 // fields. See routine setMDT for the whys of this. This is only
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250 // executed if this is the first field of a continued field.
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251 if (isContinued() && isContinuedFirst()) {
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252 ScreenField sf = this;
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253 do {
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254 sf = sf.next;
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255 text.append(sf.getString());
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256 }
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257 while (!sf.isContinuedLast());
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258
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259 sf = null;
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260 }
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261
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262 return text.toString();
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263
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264 }
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265
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266 public void setFieldChar(char c) {
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267
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268 int x = length;
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269 cursorPos = startPos;
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270 while (x-- > 0) {
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271 s.planes.setChar(cursorPos,c);
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272 changePos(1);
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273 }
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274
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275 }
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276
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277 public void setFieldChar(int lastPos, char c) {
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278
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279 int x = endPos - lastPos + 1;
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280 cursorPos = lastPos;
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281 while (x-- > 0) {
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282 s.planes.setChar(cursorPos,c);
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283 s.setDirty(cursorPos);
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284 changePos(1);
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285 }
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286 }
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287
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288 protected void setRightAdjusted() {
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289 rightAdjd = true;
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290 }
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291
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292 protected void setManditoryEntered() {
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293
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294 manditoried = true;
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295 }
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296
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297 protected void resetMDT() {
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298 mdt = false;
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299
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300 }
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301
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302 protected void setMDT() {
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303
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304 // get the first field of a continued edit field if it is continued
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305 if (isContinued() && !isContinuedFirst()) {
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306 ScreenField sf = prev;
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307 while (sf.isContinued() && !sf.isContinuedFirst()) {
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308
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309 sf = sf.prev;
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310
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311 }
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312 sf.setMDT();
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313 sf = null;
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314 }
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315 else {
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316 mdt = true;
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317 }
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318
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319 }
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320
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321 public boolean isBypassField() {
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322
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323 return (ffw1 & 0x20) == 0x20;
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324
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325 }
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326
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327 public int getAdjustment () {
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328
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329 return (ffw2 & 0x7);
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330 }
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331
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332 // is field exit required
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333 public boolean isFER () {
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334
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335 return (ffw2 & 0x40) == 0x40;
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336 }
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337
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338 // is field manditory enter
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339 public boolean isMandatoryEnter() {
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340
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341 return (ffw2 & 0x8) == 0x8;
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342
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343 }
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344
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345 public boolean isToUpper() {
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346
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347 return (ffw2 & 0x20) == 0x20;
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348
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349 }
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350
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351 // bits 5 - 7
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352 public int getFieldShift () {
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353
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354 return (ffw1 & 0x7);
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355
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356 }
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357
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358 public boolean isHiglightedEntry() {
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359
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360 return (fcw1 == 0x89);
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361
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362 }
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363
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364 public boolean isAutoEnter() {
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365
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366 return (ffw2 & 0x80) == 0x80;
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367
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368 }
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369
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370 public boolean isSignedNumeric () {
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371
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372 return (getFieldShift() == 7);
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373
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374 }
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375
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376 public boolean isRightToLeft() {
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377 return (getFieldShift() == 0x04);
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378 }
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379
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380 public boolean isNumeric () {
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381
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382 return (getFieldShift() == 3);
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383
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384 }
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385
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386 public boolean isDupEnabled() {
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387
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388 return (ffw1 & 0x10) == 0x10;
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389
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390 }
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391
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392 public boolean isContinued() {
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393
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394 return (fcw1 & 0x86) == 0x86 && (fcw2 >= 1 && fcw2 <= 3) ;
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395
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396 }
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397
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398 public boolean isContinuedFirst() {
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399
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400 return (fcw1 & 0x86) == 0x86 && (fcw2 == 1);
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401
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402 }
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403
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404 public boolean isContinuedMiddle() {
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405
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406 return (fcw1 & 0x86) == 0x86 && (fcw2 == 3);
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407
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408 }
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409
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410 public boolean isContinuedLast() {
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411
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412 return (fcw1 & 0x86) == 0x86 && (fcw2 == 2);
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413
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414 }
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415
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416 protected boolean isCanSend() {
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417
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418 int adj = getAdjustment();
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419
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420 // here we need to check the Field Exit Required value first before checking
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421 // the adjustments. If the last character has been entered and we are
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422 // now setting past the last position then we are allowed to process the
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423 // the field without continuing.
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424 if (isFER() && cursorPos > endPos) {
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425 return true;
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426 }
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427
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428 // signed numeric fields need to be checked as well.
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429 if (isSignedNumeric() && cursorPos < endPos - 1) {
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430 return false;
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431 }
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432
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433 if (adj > 0) {
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434
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435 switch (adj) {
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436
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437 case 5:
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438 case 6:
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439 return rightAdjd;
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440 case 7:
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441 return manditoried;
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442 default:
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443 return true;
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444 }
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445
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446 }
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447 return true;
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448 }
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449
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450 public boolean isSelectionField() {
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451
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452 return isSelectionField;
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453
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454 }
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455
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456 public void setSelectionFieldInfo(int type, int index, int position) {
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457
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458 selectionFieldType = type;
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459 selectionIndex = index;
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460 selectionPos = position;
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461 isSelectionField = true;
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462
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463 }
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464
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465 protected int getKeyPos(int row1, int col1) {
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466
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467 int x = ((row1 * s.getColumns()) + col1);
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468 int y = x - startPos();
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469 cursorPos = x;
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470
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471 return y;
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472 }
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473
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474 protected int getKeyPos(int pos) {
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475
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476 int y = pos - startPos();
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477 cursorPos = pos;
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478
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479 return y;
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480 }
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481
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482 public int getCurrentPos() {
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483
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484 return cursorPos;
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|
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485 }
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486
|
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487 public boolean withinField (int pos) {
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488
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489 if (pos >= startPos && pos <= endPos)
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490 return true;
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491 return false;
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492
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493 }
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494
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495 public int startPos() {
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496
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497 return startPos;
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|
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498 }
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499
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500 /**
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|
501 * Get the starting row of the field. Offset is 0 so row 6 returned
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502 * is row 7 mapped to screen
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503 * @return int starting row of the field offset 0
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|
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504 */
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|
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505 public int startRow() {
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506
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507 return startPos / s.getColumns();
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508
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509 }
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|
|
510
|
|
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511 /**
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|
|
512 * Get the starting column of the field. Offset is 0 so column 6 returned
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|
|
513 * is column 7 mapped to screen
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|
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514 * @return int starting column of the field offset 0
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|
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515 */
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|
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516 public int startCol() {
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|
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517
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|
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518 return startPos % s.getColumns();
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|
|
519
|
|
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520 }
|
|
|
521
|
|
|
522 public int endPos() {
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|
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523
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|
524 return endPos;
|
|
|
525
|
|
|
526 }
|
|
|
527
|
|
|
528 /**
|
|
|
529 * Sets the field's text plane to the specified string. If the string is
|
|
|
530 * shorter than the length of the field, the rest of the field is cleared.
|
|
|
531 * If the string is longer than the field, the text is truncated. A subsequent
|
|
|
532 * call to getText on this field will not show the changed text. To see the
|
|
|
533 * changed text, do a refresh on the iOhioFields collection and retrieve the
|
|
|
534 * refreshed field object.
|
|
|
535 *
|
|
|
536 * @param text - The text to be placed in the field's text plane.
|
|
|
537 */
|
|
|
538 public void setString(String text) {
|
|
|
539
|
|
|
540 int y = length;
|
|
|
541 cursorPos = startPos;
|
|
|
542 int len = text.length();
|
|
|
543 char[] c = text.toCharArray();
|
|
|
544 char tc = ' ';
|
|
|
545
|
|
|
546 for (int x = 0; x < y; x++) {
|
|
|
547 tc = ' ';
|
|
|
548 if (x < len) {
|
|
|
549 tc = c[x];
|
|
|
550 }
|
|
|
551 s.getPlanes().setChar(cursorPos,tc);
|
|
|
552 changePos(1);
|
|
|
553 }
|
|
|
554 setMDT();
|
|
|
555 s.getScreenFields().setMasterMDT();
|
|
|
556 }
|
|
|
557
|
|
|
558 public String toString() {
|
|
|
559 int fcw = (fcw1 & 0xff) << 8 | fcw2 & 0xff;
|
|
|
560 return "startRow = " + startRow() + " startCol = " + startCol() +
|
|
|
561 " length = " + length + " ffw1 = (0x" + Integer.toHexString(ffw1) +
|
|
|
562 ") ffw2 = (0x" + Integer.toHexString(ffw2) +
|
|
|
563 ") fcw1 = (0x" + Integer.toHexString(fcw1) +
|
|
|
564 ") fcw2 = (0x" + Integer.toHexString(fcw2) +
|
|
|
565 ") fcw = (" + Integer.toBinaryString(fcw) +
|
|
|
566 ") fcw hex = (0x" + Integer.toHexString(fcw) +
|
|
|
567 ") is bypass field = " + isBypassField() +
|
|
|
568 ") is autoenter = " + isAutoEnter() +
|
|
|
569 ") is manditoryenter = " + isMandatoryEnter() +
|
|
|
570 ") is field exit required = " + isFER() +
|
|
|
571 ") is Numeric = " + isNumeric() +
|
|
|
572 ") is Signed Numeric = " + isSignedNumeric() +
|
|
|
573 ") is cursor progression = " + (fcw1 == 0x88) +
|
|
|
574 ") next progression field = " + fcw2 +
|
|
|
575 ") field id " + fieldId +
|
|
|
576 " continued edit field = " + isContinued() +
|
|
|
577 " first continued edit field = " + isContinuedFirst() +
|
|
|
578 " middle continued edit field = " + isContinuedMiddle() +
|
|
|
579 " last continued edit field = " + isContinuedLast() +
|
|
|
580 " mdt = " + mdt;
|
|
|
581 }
|
|
|
582
|
|
|
583 int startPos = 0;
|
|
|
584 int endPos = 0;
|
|
|
585 boolean mdt = false;
|
|
|
586 protected boolean checkCanSend;
|
|
|
587 protected boolean rightAdjd;
|
|
|
588 protected boolean manditoried;
|
|
|
589 boolean canSend = true;
|
|
|
590 int attr = 0;
|
|
|
591 int length = 0;
|
|
|
592 int ffw1 = 0;
|
|
|
593 int ffw2 = 0;
|
|
|
594 int fcw1 = 0;
|
|
|
595 int fcw2 = 0;
|
|
|
596 int cursorPos = 0;
|
|
|
597 Screen5250 s;
|
|
|
598 int cursorProg = 0;
|
|
|
599 int fieldId = 0;
|
|
|
600 ScreenField next = null;
|
|
|
601 ScreenField prev = null;
|
|
|
602 boolean isSelectionField;
|
|
|
603 int selectionFieldType;
|
|
|
604 int selectionIndex;
|
|
|
605 int selectionPos;
|
|
|
606 } |
