author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:09:22 +0300 | |
branch | RCL_3 |
changeset 65 | ae942d28ec0e |
permissions | -rw-r--r-- |
65
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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package javax.microedition.lcdui; |
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|
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import com.nokia.mj.impl.rt.support.ApplicationInfo; |
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|
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.events.ModifyEvent; |
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import org.eclipse.swt.events.ModifyListener; |
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import org.eclipse.swt.widgets.*; |
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|
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/** |
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* This class represents LCDUI TextBox. |
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* The behavior of this editor may be different according |
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* to applied constraints. |
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*/ |
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public class TextBox extends Screen |
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{ |
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|
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private TextModifyListener modListener = new TextModifyListener(); |
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|
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private TextWrapper textWrapper; |
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|
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private int numLines; |
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|
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/** |
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* Constructor. |
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* |
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* @param title - Title of the TextBox |
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* @param text - default text appeared in the TextBox |
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* @param maxSize - maximum number of characters to insert |
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* @param constraints - text constraint (e.g. URL, EMEAIL etc) |
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*/ |
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public TextBox(String title, String text, int maxSize, int constraints) |
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{ |
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super(title); |
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textWrapper = new TextWrapper(text, maxSize, constraints); |
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construct(); |
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} |
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|
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/** |
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* Constructs custom eSWT shell for alert dialog. |
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* |
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* @return custom eSWT dialog shell |
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*/ |
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Shell eswtConstructShell(int style) |
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{ |
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Shell topShell = super.eswtConstructShell(style); |
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// TextBox with null title and ANY constraint, should be Full-Screen |
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if(getTitle() == null && TextWrapper.getTypeConstraint( |
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textWrapper.getConstraints()) == TextField.ANY) |
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{ |
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return topShell; |
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} |
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else |
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{ |
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if(JadAttributeUtil.isValue(JadAttributeUtil.ATTRIB_NOKIA_UI_ENHANCEMENT, JadAttributeUtil.VALUE_FULLSCREEN_TEXTBOX)) |
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{ |
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return topShell; |
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} |
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else |
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{ |
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return new Shell(topShell, style | SWT.DIALOG_TRIM | SWT.RESIZE); |
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} |
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} |
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} |
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|
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/* (non-Javadoc) |
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* @see Displayable#eswtConstructContent(int) |
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*/ |
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Composite eswtConstructContent(int style) |
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{ |
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Composite ret = super.eswtConstructContent(style); |
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textWrapper.eswtConstruct(ret, SWT.V_SCROLL); |
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return ret; |
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} |
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|
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/* (non-Javadoc) |
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* @see Displayable#eswtHandleShowCurrentEvent() |
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*/ |
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void eswtHandleShowCurrentEvent() |
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{ |
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super.eswtHandleShowCurrentEvent(); |
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textWrapper.setModifyListener(modListener); |
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eswtSetPreferredContentSize(-1, textWrapper |
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.getPreferredHeight(Config.TEXTBOX_MAX_VISIBLE_LINES)); |
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101 |
} |
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102 |
|
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103 |
/* (non-Javadoc) |
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* @see Displayable#eswtHandleHideCurrentEvent() |
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105 |
*/ |
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106 |
void eswtHandleHideCurrentEvent() |
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107 |
{ |
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super.eswtHandleHideCurrentEvent(); |
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textWrapper.setModifyListener(null); |
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110 |
} |
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111 |
|
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112 |
/* (non-Javadoc) |
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* @see Displayable#eswtHandleResizeEvent(int, int) |
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114 |
*/ |
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115 |
void eswtHandleResizeEvent(int width, int height) |
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116 |
{ |
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super.eswtHandleResizeEvent(width, height); |
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textWrapper.setBounds(getContentComp().getClientArea()); |
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} |
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120 |
|
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121 |
/** |
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* Get current caret position. |
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123 |
* |
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* @return current caret position |
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125 |
*/ |
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126 |
public int getCaretPosition() |
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127 |
{ |
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return textWrapper.getCaretPosition(); |
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129 |
} |
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130 |
|
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131 |
/** |
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* Returns String with the content of TextBox. |
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133 |
* |
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134 |
* @return String with TexBox content |
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135 |
*/ |
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136 |
public String getString() |
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137 |
{ |
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return textWrapper.getContent(); |
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139 |
} |
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140 |
|
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141 |
/** |
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142 |
* Set new text into TextBox. Old content is substituted with newTxt |
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143 |
* |
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144 |
* @param newText - String to set into TextBox |
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145 |
*/ |
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public void setString(String newText) |
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147 |
{ |
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textWrapper.setContent(newText); |
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149 |
} |
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150 |
|
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151 |
/** |
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* Copies TextBox content into char[] charData. |
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153 |
* |
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* @param charData array where to copy TextBox content |
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* @return number of copied characters. |
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156 |
*/ |
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public int getChars(char[] charData) |
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158 |
{ |
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159 |
if(charData == null) |
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160 |
{ |
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161 |
throw new NullPointerException( |
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162 |
MsgRepository.TEXT_EXCEPTION_ARRAY_IS_NULL); |
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163 |
} |
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164 |
if(charData.length < getString().length()) |
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165 |
{ |
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|
166 |
throw new ArrayIndexOutOfBoundsException( |
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|
167 |
MsgRepository.TEXT_EXCEPTION_ARRAY_IS_TOO_SHORT); |
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168 |
} |
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|
169 |
String content = textWrapper.getContent(); |
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|
170 |
content.getChars(0, content.length(), charData, 0); |
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|
171 |
return content.length(); |
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|
172 |
} |
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|
173 |
|
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|
174 |
/** |
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|
175 |
* Set data from char[] array into TextBox. Previous content from TextBox is |
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|
176 |
* substituted. Behavior is quite the same as TextBox.SetString(). |
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|
177 |
* |
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|
178 |
* @param charData array of chars from where to copy. |
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* @param offset start index in charData. |
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* @param length how many characters to copy. |
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181 |
*/ |
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|
182 |
public void setChars(char[] charData, int offset, int length) |
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|
183 |
{ |
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|
184 |
String extractedString = null; |
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185 |
if(charData != null) |
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|
186 |
{ |
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187 |
try |
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|
188 |
{ |
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|
189 |
extractedString = new String(charData, offset, length); |
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|
190 |
} |
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|
191 |
catch(IndexOutOfBoundsException e) |
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|
192 |
{ |
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|
193 |
throw new ArrayIndexOutOfBoundsException(); |
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|
194 |
} |
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|
195 |
} |
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|
196 |
textWrapper.setContent(extractedString); |
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|
197 |
} |
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|
198 |
|
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|
199 |
/** |
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|
200 |
* Inserts text into specified position. |
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Revision: v2.2.11
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|
201 |
* |
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202 |
* @param text text to insert, must not be null. |
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|
203 |
* @param position where to insert. |
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204 |
*/ |
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205 |
public void insert(String text, int position) |
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|
206 |
{ |
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|
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textWrapper.insert(text, position); |
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} |
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|
209 |
|
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|
210 |
/** |
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* Inserts into TextBox range of characters from []charData array. |
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* |
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* @param charData array of chars to copy from. |
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Revision: v2.2.11
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* @param offset start index in array to copy from. |
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Revision: v2.2.11
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* @param length number of characters to copy. |
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* @param position in TextBox where to insert. |
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|
217 |
*/ |
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public void insert(char[] charData, int offset, int length, int position) |
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219 |
{ |
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|
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if(charData == null) |
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|
221 |
{ |
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throw new NullPointerException( |
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|
223 |
MsgRepository.TEXT_EXCEPTION_ARRAY_IS_NULL); |
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Revision: v2.2.11
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|
224 |
} |
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Revision: v2.2.11
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|
225 |
String extractedString = null; |
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226 |
try |
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|
227 |
{ |
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Revision: v2.2.11
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|
228 |
extractedString = new String(charData, offset, length); |
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|
229 |
} |
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|
230 |
catch(IndexOutOfBoundsException e) |
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Revision: v2.2.11
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|
231 |
{ |
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Revision: v2.2.11
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|
232 |
throw new ArrayIndexOutOfBoundsException(); |
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|
233 |
} |
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Revision: v2.2.11
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|
234 |
textWrapper.insert(extractedString, position); |
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|
235 |
} |
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|
236 |
|
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Revision: v2.2.11
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|
237 |
/** |
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Revision: v2.2.11
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|
238 |
* Delete range of characters from TextBox. |
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Revision: v2.2.11
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|
239 |
* |
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Revision: v2.2.11
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|
240 |
* @param offset - start index in TextBox to delete from. |
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Revision: v2.2.11
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|
241 |
* @param length number of characters to delete. |
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Revision: v2.2.11
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|
242 |
*/ |
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Revision: v2.2.11
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|
243 |
public void delete(int offset, int length) |
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Revision: v2.2.11
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|
244 |
{ |
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Revision: v2.2.11
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|
245 |
textWrapper.delete(offset, length); |
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Revision: v2.2.11
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|
246 |
} |
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|
247 |
|
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Revision: v2.2.11
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|
248 |
/** |
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Revision: v2.2.11
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249 |
* get number if characters TextBox can contain. |
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Revision: v2.2.11
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|
250 |
* |
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Revision: v2.2.11
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|
251 |
* @return number of characters allowed for the TextBox. |
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Revision: v2.2.11
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252 |
*/ |
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|
253 |
public int getMaxSize() |
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|
254 |
{ |
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|
255 |
return textWrapper.getMaxSize(); |
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Revision: v2.2.11
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|
256 |
} |
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Revision: v2.2.11
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|
257 |
|
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Revision: v2.2.11
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|
258 |
/** |
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Revision: v2.2.11
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|
259 |
* Set Max number of characters. The actual maximum size |
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Revision: v2.2.11
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|
260 |
* may be less then newMaxSize due to platform limitations. |
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Revision: v2.2.11
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|
261 |
* |
ae942d28ec0e
Revision: v2.2.11
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|
262 |
* @param newMaxSize sets the capacity of TextBox. |
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Revision: v2.2.11
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|
263 |
* @return maxSize that was set. |
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Revision: v2.2.11
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|
264 |
*/ |
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Revision: v2.2.11
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|
265 |
public int setMaxSize(int newMaxSize) |
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Revision: v2.2.11
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|
266 |
{ |
ae942d28ec0e
Revision: v2.2.11
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|
267 |
textWrapper.setMaxSize(newMaxSize); |
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Revision: v2.2.11
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|
268 |
return textWrapper.getMaxSize(); |
ae942d28ec0e
Revision: v2.2.11
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|
269 |
} |
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Revision: v2.2.11
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|
270 |
|
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Revision: v2.2.11
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|
271 |
/** |
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Revision: v2.2.11
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|
272 |
* Get number of characters in the TextBox. |
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Revision: v2.2.11
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|
273 |
* |
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Revision: v2.2.11
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|
274 |
* @return number if inputed Characters. |
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Revision: v2.2.11
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|
275 |
*/ |
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Revision: v2.2.11
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|
276 |
public int size() |
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Revision: v2.2.11
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|
277 |
{ |
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Revision: v2.2.11
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|
278 |
return textWrapper.getSize(); |
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Revision: v2.2.11
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|
279 |
} |
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Revision: v2.2.11
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|
280 |
|
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Revision: v2.2.11
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|
281 |
/** |
ae942d28ec0e
Revision: v2.2.11
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|
282 |
* Set constraint for the TextBox. |
ae942d28ec0e
Revision: v2.2.11
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parents:
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|
283 |
* |
ae942d28ec0e
Revision: v2.2.11
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parents:
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|
284 |
* @param newConstraints constraint to apply to TextBox |
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Revision: v2.2.11
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parents:
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|
285 |
*/ |
ae942d28ec0e
Revision: v2.2.11
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|
286 |
public void setConstraints(int newConstraints) |
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Revision: v2.2.11
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|
287 |
{ |
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Revision: v2.2.11
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parents:
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|
288 |
textWrapper.setConstraints(newConstraints); |
ae942d28ec0e
Revision: v2.2.11
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parents:
diff
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|
289 |
|
ae942d28ec0e
Revision: v2.2.11
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|
290 |
if(!textWrapper.isValidText(getString() , textWrapper.getTypeConstraint(newConstraints))) |
ae942d28ec0e
Revision: v2.2.11
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|
291 |
setString(""); |
ae942d28ec0e
Revision: v2.2.11
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parents:
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|
292 |
} |
ae942d28ec0e
Revision: v2.2.11
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parents:
diff
changeset
|
293 |
|
ae942d28ec0e
Revision: v2.2.11
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
294 |
/** |
ae942d28ec0e
Revision: v2.2.11
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parents:
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|
295 |
* Get Current applied constraints. |
ae942d28ec0e
Revision: v2.2.11
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parents:
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|
296 |
* |
ae942d28ec0e
Revision: v2.2.11
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parents:
diff
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|
297 |
* @return current applied constraints |
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Revision: v2.2.11
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parents:
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|
298 |
*/ |
ae942d28ec0e
Revision: v2.2.11
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parents:
diff
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|
299 |
public int getConstraints() |
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Revision: v2.2.11
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parents:
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|
300 |
{ |
ae942d28ec0e
Revision: v2.2.11
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parents:
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|
301 |
return textWrapper.getConstraints(); |
ae942d28ec0e
Revision: v2.2.11
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parents:
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|
302 |
} |
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|
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/** |
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* Set initial input mode. |
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* |
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* @param inputMode input mode to set. |
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*/ |
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public void setInitialInputMode(String inputMode) |
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{ |
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textWrapper.setInputMode(inputMode); |
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} |
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/** |
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* Text modify listener. |
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*/ |
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class TextModifyListener implements ModifyListener |
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{ |
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public void modifyText(ModifyEvent me) |
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{ |
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int lines = TextWrapper.eswtGetLineCount((Control) me.widget); |
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if(numLines != lines) |
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{ |
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// the number of lines changed |
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numLines = lines; |
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eswtSetPreferredContentSize(-1, textWrapper |
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.getPreferredHeight(Config.TEXTBOX_MAX_VISIBLE_LINES)); |
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} |
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} |
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} |
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|
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} |