TYPO3 FlexForm Code Snippets & Tutorials

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Master TYPO3 FlexForm with our helpful code snippets and tutorials. Streamline your content management process and enhance your website.

Here is the list of all available TYPO3 flexform code snippets & tutorials to learn how to use TYPO3 FlexForm.

In short

This page collects TYPO3 FlexForm code snippets, for example a simple text input field, that you can copy into the FlexForm XML of your extension and adjust.


<!-- "type=text" simple textbox -->
<settings.text>
   <TCEforms>
      <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.title</label>
      <config>
         <type>input</type>
         <size>15</size>
         <eval></eval>
         <enableRichtext>0</enableRichtext>
      </config>
   </TCEforms>
</settings.text>

<!-- "type=text" simple textbox -->
<!-- <allowed>pages</allowed> You can change the link types from this configuration -->
<link>
    <TCEforms>
        <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.link
        </label>
        <config>
            <type>group</type>
            <internal_type>db</internal_type>
            <allowed>pages</allowed>
            <size>1</size>
            <minitems>0</minitems>
            <maxitems>1</maxitems>
            <show_thumbs>1</show_thumbs>
        </config>
    </TCEforms>
</link>

<!-- "type=check" Single checkbox -->
<settings.checkbox>
   <TCEforms>
      <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.title</label>
      <config>
         <type>check</type>
         <default>0</default>
      </config>
   </TCEforms>
</settings.checkbox>

<!-- "type=select" Simple dropdown -->
<settings.select>
   <TCEforms>
      <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.title</label>
      <config>
         <type>select</type>
         <items>
            <numIndex index="0" type="array">
               <numIndex index="0"></numIndex>
               <numIndex index="1"></numIndex>
            </numIndex>
            <numIndex index="1">
               <numIndLLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.title</numIndex>
               <numIndex index="1">tstamp</numIndex>
            </numIndex>
         </items>
      </config>
   </TCEforms>
</settings.select>

<!-- "type=group" Select pages -->
<settings.select_pages>
   <TCEforms>
      <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.title</label>
      <config>
         <type>group</type>
         <internal_type>db</internal_type>
         <allowed>pages</allowed>
         <size>3</size>
         <maxitems>50</maxitems>
         <minitems>0</minitems>
      </config>
   </TCEforms>
</settings.select_pages>

<!-- "type=group" Select custom extension records -->
<settings.custom_table>
   <TCEforms>
      <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.title</label>
      <config>
         <type>group</type>
         <internal_type>db</internal_type>
         <allowed>tx_table_name</allowed>
         <size>1</size>
         <maxitems>1</maxitems>
         <minitems>0</minitems>
      </config>
   </TCEforms>
</settings.custom_table>

<!-- "type=select" Draw categories tree -->
<settings.categories_tree>
   <TCEforms>
      <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_be.xlf:general.title</label>
      <config>
         <type>select</type>
         <renderMode>tree</renderMode>
         <renderType>selectTree</renderType>
         <treeConfig>
            <parentField>parent</parentField>
            <appearance>
               <maxLevels>99</maxLevels>
               <expandAll>TRUE</expandAll>
               <showHeader>TRUE</showHeader>
            </appearance>
         </treeConfig>
         <foreign_table>sys_category</foreign_table>
         <foreign_table_where>AND (sys_category.sys_language_uid = 0 OR sys_category.l10n_parent = 0) ORDER BY sys_category.sorting</foreign_table_where>
         <size>15</size>
         <minitems>0</minitems>
         <maxitems>99</maxitems>
      </config>
   </TCEforms>
</settings.categories_tree>

<!-- "type=inline" Configuration for Image [FAL] -->
<image>
    <TCEforms>
        <label>LLL:EXT:yourextension/Resources/Private/Language/locallang_flex.xlf:general.image</label>
        <config>
            <type>inline</type>
            <maxitems>1</maxitems>
            <foreign_table>sys_file_reference</foreign_table>
            <foreign_table_field>tablenames</foreign_table_field>
            <foreign_label>uid_local</foreign_label>
            <foreign_sortby>sorting_foreign</foreign_sortby>
            <foreign_field>uid_foreign</foreign_field>
            <foreign_selector>uid_local</foreign_selector>
            <foreign_selector_fieldTcaOverride>
                <config>
                    <appearance>
                        <elementBrowserType>file</elementBrowserType>
                        <elementBrowserAllowed>gif,jpg,jpeg,png,svg</elementBrowserAllowed>
                    </appearance>
                </config>
            </foreign_selector_fieldTcaOverride>
            <foreign_types type="array">
                <numIndex index="0">
                    <showitem>--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,--palette--;;filePalette</showitem>
                </numIndex>
                <numIndex index="2">
                    <showitem>--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,--palette--;;filePalette</showitem>
                </numIndex>
            </foreign_types>
            <foreign_match_fields>
                <fieldname>image</fieldname> <!-- CAUTION!! Replace "fal" with the variable name of this field! -->
            </foreign_match_fields>
            <appearance type="array">
                <newRecordLinkAddTitle>1</newRecordLinkAddTitle>
                <headerThumbnail>
                    <field>uid_local</field>
                    <height>64</height>
                    <width>64</width>
                </headerThumbnail>
                <enabledControls>
                    <info>1</info>
                    <new>0</new>
                    <dragdrop>0</dragdrop>
                    <sort>1</sort>
                    <hide>0</hide>
                    <delete>1</delete>
                    <localize>1</localize>
                </enabledControls>
                <createNewRelationLinkTitle>LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:images.addFileReference</createNewRelationLinkTitle>
            </appearance>
            <behaviour>
                <localizationMode>select</localizationMode>
                <localizeChildrenAtParentLocalization>1</localizeChildrenAtParentLocalization>
            </behaviour>
            <overrideChildTca>
                <columns type="array">
                    <uid_local type="array">
                        <config type="array">
                            <appearance type="array">
                                <elementBrowserType>file</elementBrowserType>
                                <elementBrowserAllowed>jpg,png,svg,jpeg,gif</elementBrowserAllowed>
                            </appearance>
                        </config>
                    </uid_local>
                </columns>
                <types type="array">
                    <numIndex index="2">
                        <showitem>--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,--palette--;;filePalette</showitem>
                    </numIndex>
                </types>
            </overrideChildTca>
        </config>
    </TCEforms>
</image>

Key takeaways

  • Copy the snippet you need into the FlexForm XML of your extension and adjust the label and field settings.
  • Labels can point to a language file with LLL:EXT: so that they can be translated.
  • To decide between FlexForm and TCA, read the comparison linked below.
  • Want AI support in the TYPO3 backend? See TYPO3 AI.

FAQs

A configuration written in XML that defines settings for content elements and plugins.

Copy them into the FlexForm XML file of your extension and adjust them.

Point the label to a language file with an LLL:EXT: reference, as in the snippets on this page.

The page lists snippets for the available FlexForm field types, for example a simple text input.

Read our comparison TYPO3 FlexForm vs TCA to decide for your project.

Related reading

Nilesh Malankiya

Nilesh Malankiya

TYPO3 Developer at NITSAN and T3Planet, Love TYPO3 :)

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