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<!-- doxytag: class="Wt::WIntValidator" --><!-- doxytag: inherits="Wt::WValidator" -->
<p>A validator that validates integer user input.
<a href="classWt_1_1WIntValidator.html#details">More...</a></p>
<p><code>#include <Wt/WIntValidator></code></p>
<div class="dynheader">
Inheritance diagram for Wt::WIntValidator:</div>
<div class="dyncontent">
<div class="center"><img src="classWt_1_1WIntValidator__inherit__graph.png" border="0" usemap="#Wt_1_1WIntValidator_inherit__map" alt="Inheritance graph"/></div>
<map name="Wt_1_1WIntValidator_inherit__map" id="Wt_1_1WIntValidator_inherit__map">
<area shape="rect" href="classWt_1_1WValidator.html" title="A validator is used to validate user input according to pre-defined rules." alt="" coords="12,80,121,107"/><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="19,5,115,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classWt_1_1WIntValidator-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a89d08b52740d6791ce4741c1cc74cd5b"></a><!-- doxytag: member="Wt::WIntValidator::WIntValidator" ref="a89d08b52740d6791ce4741c1cc74cd5b" args="(WObject *parent=0)" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a89d08b52740d6791ce4741c1cc74cd5b">WIntValidator</a> (<a class="el" href="classWt_1_1WObject.html">WObject</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new integer validator that accepts any integer. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af81e1d2d1a0fce7e92fdf3b8b67bfbe1"></a><!-- doxytag: member="Wt::WIntValidator::WIntValidator" ref="af81e1d2d1a0fce7e92fdf3b8b67bfbe1" args="(int minimum, int maximum, WObject *parent=0)" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#af81e1d2d1a0fce7e92fdf3b8b67bfbe1">WIntValidator</a> (int minimum, int maximum, <a class="el" href="classWt_1_1WObject.html">WObject</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new integer validator that accepts integer input within the given range. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a58ab417ac57782691b6ad6987ad7b8dd"></a><!-- doxytag: member="Wt::WIntValidator::bottom" ref="a58ab417ac57782691b6ad6987ad7b8dd" args="() const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a58ab417ac57782691b6ad6987ad7b8dd">bottom</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the bottom of the valid integer range. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a365500d492560d016b3ba7f263ce282c">setBottom</a> (int bottom)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the bottom of the valid integer range. <a href="#a365500d492560d016b3ba7f263ce282c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9534fc0b7b7864e71a80b77dcfbff5ec"></a><!-- doxytag: member="Wt::WIntValidator::top" ref="a9534fc0b7b7864e71a80b77dcfbff5ec" args="() const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a9534fc0b7b7864e71a80b77dcfbff5ec">top</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the top of the valid integer range. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a8a804c3ea0811b5c32de974592a1c88c">setTop</a> (int top)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the top of the valid integer range. <a href="#a8a804c3ea0811b5c32de974592a1c88c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afe180f56f061c98fcc9de6be20effe38"></a><!-- doxytag: member="Wt::WIntValidator::setRange" ref="afe180f56f061c98fcc9de6be20effe38" args="(int bottom, int top)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#afe180f56f061c98fcc9de6be20effe38">setRange</a> (int bottom, int top)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the range of valid integers. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classWt_1_1WValidator_1_1Result.html">Result</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a2598908928e111bc1717a394bfc31fc7">validate</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &input) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Validates the given input. <a href="#a2598908928e111bc1717a394bfc31fc7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af956eb115e0b77053c33cf6872ace2e9"></a><!-- doxytag: member="Wt::WIntValidator::createExtConfig" ref="af956eb115e0b77053c33cf6872ace2e9" args="(std::ostream &config) const " -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#af956eb115e0b77053c33cf6872ace2e9">createExtConfig</a> (std::ostream &config) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides Ext-compatible config options for client-side validation. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a9bc399a9536652c9ab52301669909b6a">setInvalidNotANumberText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the message to display when the input is not a number. <a href="#a9bc399a9536652c9ab52301669909b6a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#ac799cd9012ceebded234968a8975f9a8">invalidNotANumberText</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the message displayed when the input is not a number. <a href="#ac799cd9012ceebded234968a8975f9a8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a680b57bde8dacfe52e8e65d4abbcf4c6">setInvalidTooSmallText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the message to display when the number is too small. <a href="#a680b57bde8dacfe52e8e65d4abbcf4c6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#aed9ac49dea2069f723dd1f95a5f02744">invalidTooSmallText</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the message displayed when the number is too small. <a href="#aed9ac49dea2069f723dd1f95a5f02744"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a2e474c6f5ffecff9c8d7cc27810b211f">setInvalidTooLargeText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the message to display when the number is too large. <a href="#a2e474c6f5ffecff9c8d7cc27810b211f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a873f37b94a25ab9e1102c48f8bd3c7b1">invalidTooLargeText</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the message displayed when the number is too large. <a href="#a873f37b94a25ab9e1102c48f8bd3c7b1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#a4e2ca08428ae3bdd22dca2d6b48b6cba">javaScriptValidate</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a Javascript object that validates the input. <a href="#a4e2ca08428ae3bdd22dca2d6b48b6cba"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WIntValidator.html#aaa26351e1a00502da10a9d67a7eea817">inputFilter</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a regular expression that filters input. <a href="#aaa26351e1a00502da10a9d67a7eea817"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A validator that validates integer user input. </p>
<p>This validator checks whether user input is an integer number in a pre-defined range.</p>
<p>Usage example: </p>
<div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">Wt::WLineEdit</a> *lineEdit = <span class="keyword">new</span> <a class="code" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">Wt::WLineEdit</a>(<span class="keyword">this</span>);
<a class="code" href="classWt_1_1WIntValidator.html" title="A validator that validates integer user input.">Wt::WIntValidator</a> *validator = <span class="keyword">new</span> <a class="code" href="classWt_1_1WIntValidator.html#a89d08b52740d6791ce4741c1cc74cd5b" title="Creates a new integer validator that accepts any integer.">Wt::WIntValidator</a>(0, 100);
lineEdit-><a class="code" href="classWt_1_1WFormWidget.html#aa773d16013d6959149ce5081e84b259c" title="Sets a validator for this field.">setValidator</a>(validator);
lineEdit-><a class="code" href="classWt_1_1WLineEdit.html#addb99c6ab5483836adf44a2706a410af" title="Sets the content of the line edit.">setText</a>(<span class="stringliteral">"50"</span>);
</pre></div><h3>i18n</h3>
<p>The strings used in this class can be translated by overriding the default values for the following localization keys:</p>
<ul>
<li>Wt.WIntValidator.NotAnInteger: Must be an integer number</li>
<li>Wt.WIntValidator.TooSmall: The number must be larger than {1}</li>
<li>Wt.WIntValidator.BadRange: The number must be in the range {1} to {2}</li>
<li>Wt.WIntValidator.TooLarge: The number must be smaller than {1} </li>
</ul>
</div><hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="aaa26351e1a00502da10a9d67a7eea817"></a><!-- doxytag: member="Wt::WIntValidator::inputFilter" ref="aaa26351e1a00502da10a9d67a7eea817" args="() const " -->
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<td class="memname">std::string Wt::WIntValidator::inputFilter </td>
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<td> const<code> [virtual]</code></td>
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<p>Returns a regular expression that filters input. </p>
<p>The returned regular expression is used to filter keys presses. The regular expression should accept valid single characters.</p>
<p>For details on valid regular expressions, see <a class="el" href="classWt_1_1WRegExpValidator.html" title="A validator that checks user input against a regular expression.">WRegExpValidator</a>. As an example, "[0-9]" would only accept numbers as valid input.</p>
<p>The default implementation returns an empty string, which does not filter any input.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#a4e2ca08428ae3bdd22dca2d6b48b6cba" title="Creates a Javascript object that validates the input.">javaScriptValidate()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WValidator.html#a1ca29b7eaabf4c1655200ec382a84554">Wt::WValidator</a>.</p>
</div>
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<a class="anchor" id="ac799cd9012ceebded234968a8975f9a8"></a><!-- doxytag: member="Wt::WIntValidator::invalidNotANumberText" ref="ac799cd9012ceebded234968a8975f9a8" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WIntValidator::invalidNotANumberText </td>
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<p>Returns the message displayed when the input is not a number. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#a9bc399a9536652c9ab52301669909b6a" title="Sets the message to display when the input is not a number.">setInvalidNotANumberText(const WString&)</a> </dd></dl>
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<a class="anchor" id="a873f37b94a25ab9e1102c48f8bd3c7b1"></a><!-- doxytag: member="Wt::WIntValidator::invalidTooLargeText" ref="a873f37b94a25ab9e1102c48f8bd3c7b1" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WIntValidator::invalidTooLargeText </td>
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<p>Returns the message displayed when the number is too large. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#a2e474c6f5ffecff9c8d7cc27810b211f" title="Sets the message to display when the number is too large.">setInvalidTooLargeText(const WString&)</a> </dd></dl>
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<a class="anchor" id="aed9ac49dea2069f723dd1f95a5f02744"></a><!-- doxytag: member="Wt::WIntValidator::invalidTooSmallText" ref="aed9ac49dea2069f723dd1f95a5f02744" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WIntValidator::invalidTooSmallText </td>
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<p>Returns the message displayed when the number is too small. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#a680b57bde8dacfe52e8e65d4abbcf4c6" title="Sets the message to display when the number is too small.">setInvalidTooSmallText(const WString&)</a> </dd></dl>
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<a class="anchor" id="a4e2ca08428ae3bdd22dca2d6b48b6cba"></a><!-- doxytag: member="Wt::WIntValidator::javaScriptValidate" ref="a4e2ca08428ae3bdd22dca2d6b48b6cba" args="() const " -->
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<td class="memname">std::string Wt::WIntValidator::javaScriptValidate </td>
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<p>Creates a Javascript object that validates the input. </p>
<p>The JavaScript expression should evaluate to an object which contains a <code>validate(text)</code> function, which returns an object that contains the following two fields:</p>
<ul>
<li>fields: a boolean <em>valid</em>,</li>
<li>a <code>message</code> that indicates the problem if not valid.</li>
</ul>
<p>Returns an empty string if the validator does not provide a client-side validation implementationq.</p>
<dl class="note"><dt><b>Note:</b></dt><dd>The signature and contract changed changed in Wt 3.1.9.</dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WIntValidator.html#aaa26351e1a00502da10a9d67a7eea817" title="Returns a regular expression that filters input.">inputFilter()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WValidator.html#a2aca1c34abaf4a35b972c3cf82ce1e48">Wt::WValidator</a>.</p>
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<a class="anchor" id="a365500d492560d016b3ba7f263ce282c"></a><!-- doxytag: member="Wt::WIntValidator::setBottom" ref="a365500d492560d016b3ba7f263ce282c" args="(int bottom)" -->
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<td class="memname">void Wt::WIntValidator::setBottom </td>
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<p>Sets the bottom of the valid integer range. </p>
<p>The default value is the minimum integer value. </p>
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<a class="anchor" id="a9bc399a9536652c9ab52301669909b6a"></a><!-- doxytag: member="Wt::WIntValidator::setInvalidNotANumberText" ref="a9bc399a9536652c9ab52301669909b6a" args="(const WString &text)" -->
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<td class="memname">void Wt::WIntValidator::setInvalidNotANumberText </td>
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<p>Sets the message to display when the input is not a number. </p>
<p>The default value is "Must be an integer number." </p>
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<a class="anchor" id="a2e474c6f5ffecff9c8d7cc27810b211f"></a><!-- doxytag: member="Wt::WIntValidator::setInvalidTooLargeText" ref="a2e474c6f5ffecff9c8d7cc27810b211f" args="(const WString &text)" -->
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<td class="memname">void Wt::WIntValidator::setInvalidTooLargeText </td>
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<p>Sets the message to display when the number is too large. </p>
<p>Depending on whether <a class="el" href="classWt_1_1WIntValidator.html#a58ab417ac57782691b6ad6987ad7b8dd" title="Returns the bottom of the valid integer range.">bottom()</a> and <a class="el" href="classWt_1_1WIntValidator.html#a9534fc0b7b7864e71a80b77dcfbff5ec" title="Returns the top of the valid integer range.">top()</a> are real bounds, the default message is "The number must be between {1} and {2}" or "The number must be smaller than {2}". </p>
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<a class="anchor" id="a680b57bde8dacfe52e8e65d4abbcf4c6"></a><!-- doxytag: member="Wt::WIntValidator::setInvalidTooSmallText" ref="a680b57bde8dacfe52e8e65d4abbcf4c6" args="(const WString &text)" -->
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<td class="memname">void Wt::WIntValidator::setInvalidTooSmallText </td>
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<p>Sets the message to display when the number is too small. </p>
<p>Depending on whether <a class="el" href="classWt_1_1WIntValidator.html#a58ab417ac57782691b6ad6987ad7b8dd" title="Returns the bottom of the valid integer range.">bottom()</a> and <a class="el" href="classWt_1_1WIntValidator.html#a9534fc0b7b7864e71a80b77dcfbff5ec" title="Returns the top of the valid integer range.">top()</a> are real bounds, the default message is "The number must be between {1} and {2}" or "The number must be larger than {1}". </p>
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<a class="anchor" id="a8a804c3ea0811b5c32de974592a1c88c"></a><!-- doxytag: member="Wt::WIntValidator::setTop" ref="a8a804c3ea0811b5c32de974592a1c88c" args="(int top)" -->
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<td class="memname">void Wt::WIntValidator::setTop </td>
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<p>Sets the top of the valid integer range. </p>
<p>The default value is the maximum integer value. </p>
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<a class="anchor" id="a2598908928e111bc1717a394bfc31fc7"></a><!-- doxytag: member="Wt::WIntValidator::validate" ref="a2598908928e111bc1717a394bfc31fc7" args="(const WString &input) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WValidator_1_1Result.html">WValidator::Result</a> Wt::WIntValidator::validate </td>
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<p>Validates the given input. </p>
<p>The input is considered valid only when it is blank for a non-mandatory field, or represents an integer within the valid range. </p>
<p>Reimplemented from <a class="el" href="classWt_1_1WValidator.html#a78808215d68944dedca11ff8889374ed">Wt::WValidator</a>.</p>
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