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<#--
* spring.ftl
*
* This file consists of a collection of FreeMarker macros aimed at easing
* some of the common requirements of web applications - in particular
* handling of forms.
*
* Spring's FreeMarker support will automatically make this file and therefore
* all macros within it available to any application using Spring's
* FreeMarkerConfigurer.
*
* To take advantage of these macros, the "exposeSpringMacroHelpers" property
* of the FreeMarker class needs to be set to "true". This will expose a
* RequestContext under the name "springMacroRequestContext", as needed by
* the macros in this library.
*
* @author Darren Davison
* @author Juergen Hoeller
* @since 1.1
-->
<#--
* message
*
* Macro to translate a message code into a message.
-->
<#macro message code>${springMacroRequestContext.getMessage(code)}
<#--
* messageText
*
* Macro to translate a message code into a message,
* using the given default text if no message found.
-->
<#macro messageText code, text>${springMacroRequestContext.getMessage(code, text)}
<#--
* url
*
* Takes a relative URL and makes it absolute from the server root by
* adding the context root for the web application.
-->
<#macro url relativeUrl>${springMacroRequestContext.getContextPath()}${relativeUrl}
<#--
* bind
*
* Exposes a BindStatus object for the given bind path, which can be
* a bean (e.g. "person") to get global errors, or a bean property
* (e.g. "person.name") to get field errors. Can be called multiple times
* within a form to bind to multiple command objects and/or field names.
*
* This macro will participate in the default HTML escape setting for the given
* RequestContext. This can be customized by calling "setDefaultHtmlEscape"
* on the "springMacroRequestContext" context variable, or via the
* "defaultHtmlEscape" context-param in web.xml (same as for the JSP bind tag).
* Also regards a "htmlEscape" variable in the namespace of this library.
*
* Producing no output, the following context variable will be available
* each time this macro is referenced (assuming you import this library in
* your templates with the namespace 'spring'):
*
* spring.status : a BindStatus instance holding the command object name,
* expression, value, and error messages and codes for the path supplied
*
* @param path : the path (string value) of the value required to bind to.
* Spring defaults to a command name of "command" but this can be overridden
* by user config.
-->
<#macro bind path>
<#if htmlEscape?exists>
<#assign status = springMacroRequestContext.getBindStatus(path, htmlEscape)>
<#else>
<#assign status = springMacroRequestContext.getBindStatus(path)>
<#-- assign a temporary value, forcing a string representation for any
kind of variable. This temp value is only used in this macro lib -->
<#if status.value?exists && status.value?is_boolean>
<#assign stringStatusValue=spring.status.value?string>
<#else>
<#assign stringStatusValue=spring.status.value?default("")>
<#--
* bindEscaped
*
* Similar to spring:bind, but takes an explicit HTML escape flag rather
* than relying on the default HTML escape setting.
-->
<#macro bindEscaped path, htmlEscape>
<#assign status = springMacroRequestContext.getBindStatus(path, htmlEscape)>
<#-- assign a temporary value, forcing a string representation for any
kind of variable. This temp value is only used in this macro lib -->
<#if status.value?exists && status.value?is_boolean>
<#assign stringStatusValue=spring.status.value?string>
<#else>
<#assign stringStatusValue=spring.status.value?default("")>
<#--
* formInput
*
* Display a form input field of type 'text' and bind it to an attribute
* of a command or bean.
*
* @param path the name of the field to bind to
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formInput path attributes="" fieldType="text" >
<@bind path/>
${spring.stringStatusValue}" ${attributes}
<@closeTag/>
<#--
* formPasswordInput
*
* Display a form input field of type 'password' and bind it to an attribute
* of a command or bean. No value will ever be displayed. This functionality
* can also be obtained by calling the formInput macro with a 'type' parameter
* of 'password'
*
* @param path the name of the field to bind to
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formPasswordInput path attributes="" >
<@formInput path, attributes, "password"/>
<#--
* formHiddenInput
*
* Generate a form input field of type 'hidden' and bind it to an attribute
* of a command or bean. This functionality can also be obtained by calling
* the formInput macro with a 'type' parameter of 'hidden'
*
* @param path the name of the field to bind to
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formHiddenInput path attributes="" >
<@formInput path, attributes, "hidden"/>
<#--
* formTextarea
*
* Display a text area and bind it to an attribute of a command or bean.
*
* @param path the name of the field to bind to
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formTextarea path attributes="" >
<@bind path/>
<#--
* formSingleSelect
*
* Show a selectbox (dropdown) input element allowing a single value to be chosen
* from a list of options.
*
* @param path the name of the field to bind to
* @param options a map (value=label) of all the available options
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formSingleSelect path options attributes="">
<@bind path/>
<#--
* formMultiSelect
*
* Show a listbox of options allowing the user to make 0 or more choices from
* the list of options.
*
* @param path the name of the field to bind to
* @param options a map (value=label) of all the available options
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formMultiSelect path options attributes="">
<@bind path/>
<#--
* formRadioButtons
*
* Show radio buttons.
*
* @param path the name of the field to bind to
* @param options a map (value=label) of all the available options
* @param separator the html tag or other character list that should be used to
* separate each option. Typically ' ' or ' '
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formRadioButtons path options separator attributes="">
<@bind path/>
<#list options?keys as value>
checked="checked" ${attributes}
<@closeTag/>
${options[value]}${separator}
<#--
* formCheckboxes
*
* Show checkboxes.
*
* @param path the name of the field to bind to
* @param options a map (value=label) of all the available options
* @param separator the html tag or other character list that should be used to
* separate each option. Typically ' ' or ' '
* @param attributes any additional attributes for the element (such as class
* or CSS styles or size
-->
<#macro formCheckboxes path options separator attributes="">
<@bind path/>
<#list options?keys as value>
<#assign isSelected = contains(spring.status.value?default([""]), value)>
checked="checked" ${attributes}
<@closeTag/>
${options[value]}${separator}
<#--
* showErrors
*
* Show validation errors for the currently bound field, with
* optional style attributes.
*
* @param separator the html tag or other character list that should be used to
* separate each option. Typically ' '.
* @param classOrStyle either the name of a CSS class element (which is defined in
* the template or an external CSS file) or an inline style. If the value passed in here
* contains a colon (:) then a 'style=' attribute will be used, else a 'class=' attribute
* will be used.
-->
<#macro showErrors separator classOrStyle="">
<#list spring.status.errorMessages as error>
<#if classOrStyle == "">
${error}
<#else>
<#if classOrStyle?index_of(":") == -1><#assign attr="class"><#else><#assign attr="style">
${error}
${separator}
<#--
* listContains
*
* Macro to return true if the list contains the scalar, false if not.
* Surprisingly not a FreeMarker builtin. This function is used internally but
* can be accessed by user code if required.
*
* @param list the list to search for the item
* @param item the item to search for in the list
* @return true if item is found in the list, false otherwise.
-->
<#function contains list item>
<#list list as nextInList>
<#if nextInList == item><#return true>
<#return false>
<#--
* closeTag
*
* Simple macro to close an HTML tag that has no body with '>' or '/>',
* depending on the value of a 'xhtmlCompliant' variable in the namespace
* of this library.
-->
<#macro closeTag>
<#if xhtmlCompliant?exists && xhtmlCompliant>/><#else>>
