CCK字段过滤器修改
用CCK + imagefield + imageapi + imagecache 为内容类型为 article 创建了Image类型字段field_images，并设置上传数为无限，想实现用于发布文章时插入图片，由于字段field_images的图片无论多少都是同时出现或隐藏的，所以想在摘要（teaser）部分只显示第一张图片，而在全文（page）部分显示所有上传的图片。
步骤：
复制sites\all\modules\cck\theme\content-field.tpl.php 到主题目录sites\all\themes\test\，并复制重命名为content-field-field_images-article.tpl.php
这时主题目录sites\all\themes\test\ 多了2个文件：
content-field.tpl.php
content-field-field_images-article.tpl.php
修改content-field-field_images-article.tpl.php
<?php
// $Id: content-field.tpl.php,v 1.1.2.1 2008/06/19 01:59:53 yched Exp $
/**
* @file field.tpl.php
* Default theme implementation to display the value of a field.
*
* Available variables:
* - $node: The node object.
* - $field: The field array.
* - $items: An array of values for each item in the field array.
* - $teaser: Whether this is displayed as a teaser.
* - $page: Whether this is displayed as a page.
* - $field_name: The field name.
* - $field_type: The field type.
* - $field_name_css: The css-compatible field name.
* - $field_type_css: The css-compatible field type.
* - $label: The item label.
* - $label_display: Position of label display, inline, above, or hidden.
* - $field_empty: Whether the field has any valid value.
*
* Each $item in $items contains:
* - 'view' - the themed view for that item
*
* @see template_preprocess_field()
*/
?>
<?php if (!$field_empty) : ?>
<?php if (!$page) { ?>
<?php print $items[0]['view'] ?>
<?php } else { ?>
<div class="field2 field-type-<?php print $field_type_css ?> field-<?php print $field_name_css ?>">
<?php if ($label_display == 'above') : ?>
<div class="field-label"><?php print t($label) ?>: </div>
<?php endif;?>
<div class="field-items">
<?php foreach ($items as $delta => $item) :
if (!$item['empty']) : ?>
<div class="field-item">
<?php if ($label_display == 'inline') { ?>
<div class="field-label-inline<?php print($delta ? '' : '-first')?>">
<?php print t($label) ?>: </div>
<?php } ?>
<?php print $item['view'] ?>
</div>
<?php endif;
endforeach;?>
</div>
</div>
<?php } ?>
<?php endif; ?>
// $Id: content-field.tpl.php,v 1.1.2.1 2008/06/19 01:59:53 yched Exp $
/**
* @file field.tpl.php
* Default theme implementation to display the value of a field.
*
* Available variables:
* - $node: The node object.
* - $field: The field array.
* - $items: An array of values for each item in the field array.
* - $teaser: Whether this is displayed as a teaser.
* - $page: Whether this is displayed as a page.
* - $field_name: The field name.
* - $field_type: The field type.
* - $field_name_css: The css-compatible field name.
* - $field_type_css: The css-compatible field type.
* - $label: The item label.
* - $label_display: Position of label display, inline, above, or hidden.
* - $field_empty: Whether the field has any valid value.
*
* Each $item in $items contains:
* - 'view' - the themed view for that item
*
* @see template_preprocess_field()
*/
?>
<?php if (!$field_empty) : ?>
<?php if (!$page) { ?>
<?php print $items[0]['view'] ?>
<?php } else { ?>
<div class="field2 field-type-<?php print $field_type_css ?> field-<?php print $field_name_css ?>">
<?php if ($label_display == 'above') : ?>
<div class="field-label"><?php print t($label) ?>: </div>
<?php endif;?>
<div class="field-items">
<?php foreach ($items as $delta => $item) :
if (!$item['empty']) : ?>
<div class="field-item">
<?php if ($label_display == 'inline') { ?>
<div class="field-label-inline<?php print($delta ? '' : '-first')?>">
<?php print t($label) ?>: </div>
<?php } ?>
<?php print $item['view'] ?>
</div>
<?php endif;
endforeach;?>
</div>
</div>
<?php } ?>
<?php endif; ?>
主要增加
<?php if (!$page) { ?>
判断是全文还是摘要，然后打印第一个图片
<?php print $items[0]['view'] ?>
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