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ezimage datatype (Image)

The ezimage datatype (Image): what it stores and how templates use it.

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Address: https://doc.exponential.earth/learninminutes/exphelp/viewer/examples/datatypes/ezimage.md

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The ezimage datatype (Image)

Class eZImageType in kernel/classes/datatypes/ezimage/ezimagetype.php; identifier ezimage, listed in settings/content.ini [DataTypeSettings] AvailableDataTypes[].

What it stores

The columns of the attribute tables its class reads or writes: data_int1, data_int2, data_text (data_text, data_int, data_float and sort_key_* are the object attribute's; data_text1 ... data_int4 the class attribute's settings). Found by reading the class: a heuristic. It is can be filled from an uploaded file.

In templates

my_attribute stands for the identifier of an attribute of this type in your class:

{def $attribute = $node.data_map.my_attribute}
{if $attribute.has_content}
    {attribute_view_gui attribute=$attribute}
{/if}
{* the value as the datatype returns it (objectAttributeContent()) *}
{$attribute.content|attribute( show, 1 )}

The shipped template that shows it (attribute_view_gui), design/standard/templates/content/datatype/view/ezimage.tpl (first 25 lines):

{* DO NOT EDIT THIS FILE! Use an override template instead. *}
{*
Input:
 image_class - Which image alias to show, default is large
 css_class     - Optional css class to wrap around the <img> tag, the
                 class will be placed in a <div> tag.
 alignment     - How to align the image, use 'left', 'right' or false().
 link_to_image - boolean, if true the url_alias will be fetched and
                 used as link.
 href          - Optional string, if set it will create a <a> tag
                 around the image with href as the link.
 border_size   - Size of border around image, default is 0
*}
{default image_class=large
         css_class=false()
         alignment=false()
         link_to_image=false()
         href=false()
         target=false()
         hspace=false()
         border_size=0
         border_color=''
         border_style=''
         margin_size=''
         alt_text=''

The shipped template that edits it (attribute_edit_gui), design/standard/templates/content/datatype/edit/ezimage.tpl (first 25 lines):

{* DO NOT EDIT THIS FILE! Use an override template instead. *}
{default attribute_base='ContentObjectAttribute'}
{let attribute_content=$attribute.content}
{def $alt_text_required = $attribute.contentclass_attribute.data_int2|eq( 1 )}

{* Current image. *}
<div class="block">
<label>{'Current image'|i18n( 'design/standard/content/datatype' )}:</label>
{if $attribute_content.original.is_valid}

<table class="list" cellspacing="0">
<tr>
    <th class="tight">{'Preview'|i18n( 'design/standard/content/datatype' )}</th>
    <th>{'Filename'|i18n( 'design/standard/content/datatype' )}</th>
    <th>{'MIME type'|i18n( 'design/standard/content/datatype' )}</th>
    <th>{'Size'|i18n( 'design/standard/content/datatype' )}</th>
</tr>
<tr>
    <td>{attribute_view_gui image_class=ezini( 'ImageSettings', 'DefaultEditAlias', 'content.ini' ) attribute=$attribute}</td>
    <td>{$attribute.content.original.original_filename|wash( xhtml )}</td>
    <td>{$attribute.content.original.mime_type|wash( xhtml )}</td>
    <td>{$attribute.content.original.filesize|si( byte )}</td>
</tr>
</table>
{else}

Override them for one class attribute in an override.ini.append.php with Source=content/datatype/view/ezimage.tpl and a match on attribute_identifier (see A template override).


Generated by ./console exp:help:examples from kernel/classes/datatypes/ezimage/ezimagetype.php, settings/content.ini, design/standard/templates/content/datatype/view/ezimage.tpl, design/standard/templates/content/datatype/edit/ezimage.tpl. Do not edit this page: change the source and generate again (how). Free documentation: GFDL 1.3 or later.

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This documentation is free documentation, licensed under the GNU Free Documentation License 1.3 or later.

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