mirror of
https://github.com/kennethreitz-archive/wordpress-skeleton.git
synced 2026-06-05 23:50:19 +00:00
added Extra Feed Links 1.1
This commit is contained in:
Kenneth Reitz
+120
@@ -0,0 +1,120 @@
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<?php
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if ( !class_exists('scbOptionsPage_07') )
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require_once(dirname(__FILE__) . '/inc/scbOptionsPage.php');
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class extraFeedLinkAdmin extends scbOptionsPage_07 {
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protected function setup() {
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$this->options = $GLOBALS['EFL_options'];
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$this->defaults = array(
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'home' => array(FALSE, '%site_title% Comments'),
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'comments' => array(TRUE, 'Comments: %title%'),
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'category' => array(TRUE, 'Category: %title%'),
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'tag' => array(TRUE, 'Tag: %title%'),
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'author' => array(TRUE, 'Author: %title%'),
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'search' => array(TRUE, 'Search: %title%')
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);
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$this->args = array(
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'page_title' => 'Extra Feed Links',
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'short_title' => 'Extra Feed Links',
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'page_slug' => 'extra-feed-links'
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);
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$this->nonce = 'efl-settings';
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}
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protected function form_handler() {
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if ( empty($_POST['action']) )
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return false;
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check_admin_referer($this->nonce);
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// Update options
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if ( 'Save Changes' == $_POST['action'] ) {
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foreach (array_keys($this->options->get()) as $name) {
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$new_format[$name][0] = $_POST['show-' . $name];
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$new_format[$name][1] = $_POST['format-' . $name];
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}
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$this->options->update($new_format);
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$this->admin_msg('Settings <strong>saved</strong>.');
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}
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// Reset options
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if ( 'Reset' == $_POST['action'] ) {
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$this->options->reset();
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$this->admin_msg('Settings <strong>reset</strong>.');
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}
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}
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public function page_head() {
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?>
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<style type="text/css">
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table input.widefat {width:250px !important}
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</style>
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<?php
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}
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public function page_content() {
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echo $this->page_header();
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?>
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<p>The table below allows you to select which page types get an extra header link and the format of the link text.</p>
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<div class="alignleft" style="width:auto">
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<form method="post" action="">
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<?php wp_nonce_field($this->nonce); ?>
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<table class="widefat" style="width:auto">
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<thead>
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<tr>
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<th scope="col" class="check-column"><input type="checkbox" /></th>
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<th scope="col">Page type</th>
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<th scope="col">Text format</th>
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</tr>
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</thead>
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<tbody>
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<?php foreach($this->options->get() as $name => $value) { ?>
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<tr>
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<th scope='row' class='check-column'><?php
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echo $this->input(array(
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'type' => 'checkbox',
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'names' => 'show-'.$name,
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'desc_pos' => 'none'
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), array('show-'.$name => $value[0]));
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?></th>
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<td><?php echo ucfirst($name) ?></td>
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<td><?php
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echo $this->input(array(
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'type' => 'text',
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'names' => 'format-'.$name,
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'desc_pos' => 'none'
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), array('format-'.$name => $value[1]));
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?></td>
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</tr>
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<?php } ?>
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</tbody>
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</table>
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<div class="tablenav" style="width:auto">
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<div class="alignleft">
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<input name="action" type="submit" class="button-primary button" value="Save Changes" />
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<input name="action" type="submit" class="button-secondary" onClick="return confirm('Are you sure you want to reset to defaults?')" value="Reset" />
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</div>
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</div>
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</form>
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</div>
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<div style="float:left; margin-left: 50px">
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<p>Available substitution tags:</p>
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<ul>
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<li><em>%title%</em> - displays the corresponding title for each page type</li>
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<li><em>%site_title%</em> - displays the title of the site</li>
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</ul>
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</div>
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<?php
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echo $this->page_footer();
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}
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}
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@@ -0,0 +1,189 @@
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<?php
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// Version 0.7.2
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abstract class scbForms_07 {
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/* Generates one or more input fields, with labels
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$args = array (
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'type' => any valid <input> type
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'names' => string | array
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'values' => string | array (default: 1 or $options['name'])
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'check' => true | false (default: true)
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'extra' => string (default: class="widefat")
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'desc' => string (default: name)
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'desc_pos' => 'before' | 'after' | 'none' (default: after)
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);
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$options = array('name' => 'value'...)
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*/
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public function input($args, $options = array()) {
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$token = '%input%';
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extract(wp_parse_args($args, array(
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'desc_pos' => 'after',
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'check' => true,
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'extra' => 'class="widefat"'
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)));
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// Check required fields
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if ( empty($type) )
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trigger_error('No type specified', E_USER_WARNING);
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if ( empty($names) ) {
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trigger_error('No name specified', E_USER_WARNING);
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return;
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}
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// Check for defined options
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if ( $check && 'submit' != $type && !empty($options) )
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self::check_names($names, $options);
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$f1 = is_array($names);
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$f2 = is_array($values);
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// Set default values
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if ( !isset($values) )
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if ( 'text' == $type && !$f1 )
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$values = stripslashes(wp_specialchars($options[$names], ENT_QUOTES));
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elseif ( in_array($type, array('checkbox', 'radio')) )
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$values = true;
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// Expand names or values
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if ( !$f1 && !$f2 )
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$a = array($names => $values);
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elseif ( $f1 && !$f2 )
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$a = array_fill_keys($names, $values);
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elseif ( !$f1 && $f2 )
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$a = array_fill_keys($values, $names);
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else
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$a = array_combine($names, $values);
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// Determine what goes where
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if ( !$f1 && $f2 ) {
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$i1 = 'val';
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$i2 = 'name';
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} else {
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$i1 = 'name';
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$i2 = 'val';
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}
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if ( $f1 || $f2 )
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$l1 = 'name';
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else
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$l1 = 'desc';
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// Generate output
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foreach ( $a as $name => $val ) {
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// Build extra string
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$extra_s = $extra;
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if ( in_array($type, array('checkbox', 'radio')) && $options[$$i1] == $$i2)
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$extra_s .= " checked='checked'";
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// Build the item
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$input = "<input name='{$$i1}' value='{$$i2}' type='{$type}' {$extra_s}/> ";
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// Add description
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$desc = $$l1;
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$desc = str_replace('[]', '', $desc);
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if ( FALSE == stripos($desc, $token) )
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if ( 'before' == $desc_pos )
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$desc .= ' ' . $token;
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elseif ( 'after' == $desc_pos )
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$desc = $token . ' ' . $desc;
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$desc = str_replace($token, $input, $desc);
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$desc = trim($desc);
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// Add label
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if ( 'none' == $desc_pos || empty($desc) )
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$output[] = $input . "\n";
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else
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$output[] = "<label for='{$$i1}'>{$desc}</label>\n";
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}
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return implode("\n", $output);
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}
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public static function select($args, $options) {
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extract(wp_parse_args($args, array(
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'name' => '',
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'selected' => NULL,
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'extra' => ''
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)));
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if ( empty($name) )
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trigger_error('No name specified', E_USER_NOTICE);
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if ( !is_array($options) ) {
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trigger_error("Second argument is expected to be an associative array", E_USER_WARNING);
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return;
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}
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foreach ( $options as $key => $value ) {
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$extra_s = $extra;
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if ( $name === $selected )
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$extra_s = " selected='selected'";
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else
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$extra_s = "";
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$opts .= "\t<option value='{$key}'{$extra_s}>{$value}</option>\n";
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}
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return "<select name='{$name}'>\n{$opts}</select>\n";
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}
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// Creates a textarea
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public static function textarea($args, $content) {
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extract(wp_parse_args($args, array(
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'name' => '',
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'extra' => 'class="widefat"',
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'escaped' => 'false'
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)));
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if ( !$escaped )
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$content = stripslashes(wp_specialchars($content, ENT_QUOTES));
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if ( empty($name) )
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trigger_error('No name specified', E_USER_NOTICE);
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return "<textarea name='{$name}'{$extra}>\n{$content}\n</textarea>\n";
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}
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// Adds a form around the $content, including a hidden nonce field
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public function form_wrap($content, $nonce = 'update_options') {
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$output .= "\n<form method='post' action=''>\n";
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$output .= $content;
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$output .= wp_nonce_field($action = $nonce, $name = "_wpnonce", $referer = true , $echo = false);
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$output .= "\n</form>\n";
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return $output;
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}
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//_____HELPER METHODS (SHOULD NOT BE CALLED DIRECTLY)_____
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// Checks if selected $names have equivalent in $options. Used by form_row()
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protected static function check_names($names, $options) {
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$names = (array) $names;
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foreach ( $names as $i => $name )
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$names[$i] = str_replace('[]', '', $name);
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foreach ( array_diff($names, array_keys($options)) as $key )
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trigger_error("Option not defined: {$key}", E_USER_WARNING);
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}
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}
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// < PHP 5.2
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if ( !function_exists('array_fill_keys') ) :
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function array_fill_keys($keys, $value) {
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$r = array();
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foreach($keys as $key)
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$r[$key] = $value;
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return $r;
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}
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endif;
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@@ -0,0 +1,67 @@
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<?php
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// Version 0.6
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class scbOptions_06 {
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public $key;
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public $defaults;
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private $data;
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public function __construct($key) {
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$this->key = $key;
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$this->data = get_option($this->key);
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}
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public function setup($file, $defaults) {
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$this->defaults = $defaults;
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register_activation_hook($file, array($this, 'reset'), false);
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register_uninstall_hook($file, array($this, 'delete'));
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}
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// Get all data or a certain field
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public function get($field = '') {
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if ( empty($field) === true )
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return $this->data;
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return @$this->data[$field];
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}
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// Update a portion of the data
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public function update_part($newdata) {
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if ( !is_array($this->data) || !is_array($newdata) )
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return false;
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$this->update(array_merge($this->data, $newdata));
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}
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// Update option
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public function update($newdata) {
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if ( $this->data === $newdata )
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return;
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$this->data = $newdata;
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add_option($this->key, $this->data) or
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update_option($this->key, $this->data);
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}
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// Reset option to defaults
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public function reset($override = true) {
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if ( !$override && is_array($this->defaults) && is_array($this->data) )
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$newdata = array_merge($this->defaults, $this->data);
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else
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$newdata = $this->defaults;
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$this->update($newdata);
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}
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// Delete option
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public function delete() {
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delete_option($this->key);
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}
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}
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// < WP 2.7
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if ( !function_exists('register_uninstall_hook') ) :
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function register_uninstall_hook() {}
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endif;
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@@ -0,0 +1,195 @@
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<?php
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// Version 0.7.2
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if ( ! class_exists('scbForms_07') )
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require_once(dirname(__FILE__) . '/scbForms.php');
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abstract class scbOptionsPage_07 extends scbForms_07 {
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// Page args
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protected $args = array(
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'page_title' => '',
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'short_title' => '',
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'page_slug' => '',
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'type' => 'settings'
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);
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// Hook string created at page init
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protected $pagehook;
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// Nonce string
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protected $nonce;
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// Plugin dir url
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protected $plugin_url;
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// scbOptions object holder
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protected $options;
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// Form actions
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protected $actions = array();
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//_____MAIN METHODS_____
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// Main constructor
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public function __construct($file = '') {
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$this->set_url($file);
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$this->setup();
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$this->check_args();
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if ( isset($this->options) )
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$this->options->setup($file, $this->defaults);
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add_action('admin_menu', array($this, 'page_init'));
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}
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// This is where all the page args goes
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abstract protected function setup();
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// This is where the css and js go
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public function page_head() {}
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// This is where the page content goes
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abstract public function page_content();
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// To be used in ::page_head()
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protected function admin_msg($msg, $class = "updated") {
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echo "<div class='$class fade'><p>$msg</p></div>\n";
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}
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||||
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||||
// Wraps a string in a <script> tag
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||||
public function wrap_js($string) {
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||||
return "\n<script language='text/javascript'>\n" . $string . "\n</script>\n";
|
||||
}
|
||||
|
||||
// Wraps a string in a <style> tag
|
||||
public function wrap_css($string) {
|
||||
return "\n<style type='text/css'>\n" . $string . "\n</style>\n";
|
||||
}
|
||||
|
||||
// Generates a standard page head
|
||||
protected function page_header() {
|
||||
$this->form_handler();
|
||||
|
||||
echo "<div class='wrap'>\n";
|
||||
echo "<h2>".$this->args['page_title']."</h2>\n";
|
||||
}
|
||||
|
||||
// Generates a standard page footer
|
||||
protected function page_footer() {
|
||||
echo "</div>\n";
|
||||
}
|
||||
|
||||
public function form_wrap($content) {
|
||||
return parent::form_wrap($content, $this->nonce);
|
||||
}
|
||||
|
||||
// Wrap a field in a table row
|
||||
public function form_row($args, $options) {
|
||||
return "\n<tr>\n\t<th scope='row'>{$args['title']}</th>\n\t<td>\n\t\t". parent::input($args, $options) ."\n\t</td>\n\n</tr>";
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||||
}
|
||||
|
||||
// Generates multiple rows and wraps them in a form table
|
||||
protected function form_table($rows, $action = 'Save Changes') {
|
||||
$output .= "\n<table class='form-table'>";
|
||||
|
||||
$options = $this->options->get();
|
||||
foreach ( $rows as $row )
|
||||
$output .= $this->form_row($row, $options);
|
||||
|
||||
$output .= "\n</table>\n";
|
||||
$output .= $this->submit_button($action);
|
||||
|
||||
return parent::form_wrap($output, $this->nonce);
|
||||
}
|
||||
|
||||
// Generates a submit form button
|
||||
protected function submit_button($action = 'Save Changes', $class = "button") {
|
||||
if ( in_array($action, $this->actions) )
|
||||
trigger_error("Duplicate action for submit button: {$action}", E_USER_WARNING);
|
||||
|
||||
$args = array(
|
||||
'type' => 'submit',
|
||||
'names' => 'action',
|
||||
'values' => $action,
|
||||
'extra' => '',
|
||||
'desc_pos' => 'none'
|
||||
);
|
||||
|
||||
if ( ! empty($class) )
|
||||
$args['extra'] = "class='{$class}'";
|
||||
|
||||
$this->actions[] = $action;
|
||||
$output .= "<p class='submit'>\n";
|
||||
$output .= parent::input($args);
|
||||
$output .= "</p>\n";
|
||||
|
||||
return $output;
|
||||
}
|
||||
|
||||
|
||||
//_____HELPER METHODS (SHOULD NOT BE CALLED DIRECTLY)_____
|
||||
|
||||
|
||||
// Checks and sets default args
|
||||
protected function check_args() {
|
||||
if ( empty($this->args['page_title']) )
|
||||
trigger_error('Page title cannot be empty', E_USER_ERROR);
|
||||
|
||||
if ( empty($this->args['type']) )
|
||||
$this->args['type'] = 'settings';
|
||||
|
||||
if ( empty($this->args['short_title']) )
|
||||
$this->args['short_title'] = $this->args['page_title'];
|
||||
|
||||
if ( empty($this->args['page_slug']) )
|
||||
$this->args['page_slug'] = sanitize_title_with_dashes($this->args['short_title']);
|
||||
|
||||
if ( empty($this->nonce) )
|
||||
$this->nonce = $this->args['page_slug'];
|
||||
}
|
||||
|
||||
// Registers a page
|
||||
public function page_init() {
|
||||
if ( !current_user_can('manage_options') )
|
||||
return false;
|
||||
|
||||
extract($this->args);
|
||||
|
||||
if ( 'settings' == $type )
|
||||
$this->pagehook = add_options_page($short_title, $short_title, 8, $page_slug, array($this, 'page_content'));
|
||||
elseif ( 'tools' == $type )
|
||||
$this->pagehook = add_management_page($short_title, $short_title, 8, $page_slug, array($this, 'page_content'));
|
||||
else
|
||||
trigger_error("Unknown page type: $page", E_USER_WARNING);
|
||||
|
||||
add_action('admin_print_styles-' . $this->pagehook, array($this, 'page_head'));
|
||||
}
|
||||
|
||||
// Update options
|
||||
protected function form_handler() {
|
||||
if ( 'Save Changes' != $_POST['action'] )
|
||||
return false;
|
||||
|
||||
check_admin_referer($this->nonce);
|
||||
|
||||
foreach ( $this->options->get() as $name => $value )
|
||||
$new_options[$name] = $_POST[$name];
|
||||
|
||||
$this->options->update($new_options);
|
||||
|
||||
$this->admin_msg('Settings <strong>saved</strong>.');
|
||||
}
|
||||
|
||||
// Set plugin_dir
|
||||
protected function set_url($file) {
|
||||
if ( function_exists('plugins_url') )
|
||||
$this->plugin_url = plugins_url(plugin_basename(dirname($file)));
|
||||
else
|
||||
// < WP 2.6
|
||||
$this->plugin_url = get_option('siteurl') . '/wp-content/plugins/' . plugin_basename(dirname($file));
|
||||
}
|
||||
}
|
||||
+142
@@ -0,0 +1,142 @@
|
||||
<?php
|
||||
/*
|
||||
Plugin Name: Extra Feed Links
|
||||
Version: 1.1.5.1
|
||||
Description: Adds extra feed auto-discovery links to various page types (categories, tags, search results etc.).
|
||||
Author: scribu
|
||||
Author URI: http://scribu.net/
|
||||
Plugin URI: http://scribu.net/wordpress/extra-feed-links
|
||||
|
||||
Copyright (C) 2009 scribu.net (scribu AT gmail DOT com)
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
class extraFeedLink {
|
||||
var $format;
|
||||
var $format_name;
|
||||
var $url;
|
||||
var $title;
|
||||
var $text;
|
||||
|
||||
function __construct() {
|
||||
$this->format = $GLOBALS['EFL_options']->get();
|
||||
add_action('wp_head', array($this, 'head_link'));
|
||||
}
|
||||
|
||||
function head_link() {
|
||||
$this->generate();
|
||||
|
||||
if( !$this->url || !$this->text )
|
||||
return;
|
||||
|
||||
echo "\n" . '<link rel="alternate" type="application/rss+xml" title="' . $this->text . '" href="' . $this->url . '" />' . "\n";
|
||||
}
|
||||
|
||||
function theme_link($input) {
|
||||
$this->generate(TRUE);
|
||||
|
||||
if( !$this->url )
|
||||
return;
|
||||
|
||||
if ( substr($input, 0, 4) == 'http' )
|
||||
echo '<a href="' . $this->url . '" title="' . $this->text . '"><img src="' . $input . '" alt="rss icon" /></a>';
|
||||
elseif ( $input == '' )
|
||||
echo '<a href="' . $this->url . '" title="' . $this->text . '">' . $this->text . '</a>';
|
||||
elseif ( $input == 'raw' )
|
||||
echo $this->url;
|
||||
else
|
||||
echo '<a href="' . $this->url . '" title="' . $this->text . '">' . $input . '</a>';
|
||||
}
|
||||
|
||||
function generate($for_theme = FALSE) {
|
||||
$this->title = $this->url = NULL;
|
||||
|
||||
if ( is_home() && ($this->format['home'][0] || $for_theme) ) {
|
||||
$this->url = get_bloginfo('comments_rss2_url');
|
||||
$this->format_name = 'home';
|
||||
}
|
||||
elseif ( (is_single() || is_page()) && ($this->format['comments'][0] || $for_theme) ) {
|
||||
global $post;
|
||||
if ( $post->comment_status == 'open' ) {
|
||||
$this->url = get_post_comments_feed_link($post->ID);
|
||||
$this->title = $post->post_title;
|
||||
$this->format_name = 'comments';
|
||||
}
|
||||
}
|
||||
elseif ( is_category() && ($this->format['category'][0] || $for_theme) ) {
|
||||
global $wp_query;
|
||||
$cat_obj = $wp_query->get_queried_object();
|
||||
|
||||
$this->url = get_category_feed_link($cat_obj->term_id);
|
||||
$this->title = $cat_obj->name;
|
||||
$this->format_name = 'category';
|
||||
}
|
||||
elseif ( is_tag() && ($this->format['tag'][0] || $for_theme) ) {
|
||||
global $wp_query;
|
||||
$tag_obj = $wp_query->get_queried_object();
|
||||
|
||||
$this->url = get_tag_feed_link($tag_obj->term_id);
|
||||
$this->title = $tag_obj->name;
|
||||
$this->format_name = 'tag';
|
||||
}
|
||||
elseif ( is_author() && ($this->format['author'][0] || $for_theme) ) {
|
||||
global $wp_query;
|
||||
$author_obj = $wp_query->get_queried_object();
|
||||
|
||||
$this->url = get_author_feed_link($author_obj->ID);
|
||||
$this->title = $author_obj->user_nicename;
|
||||
$this->format_name = 'author';
|
||||
}
|
||||
elseif ( is_search() && ($this->format['search'][0] || $for_theme) ) {
|
||||
$search = attribute_escape(get_search_query());
|
||||
|
||||
$this->url = get_search_feed_link($search);
|
||||
$this->title = $search;
|
||||
$this->format_name = 'search';
|
||||
}
|
||||
|
||||
// Set the appropriate format
|
||||
$this->text = $this->format[$this->format_name][1];
|
||||
|
||||
// Convert substitution tags
|
||||
$this->text = str_replace('%title%', $this->title, $this->text);
|
||||
$this->text = str_replace('%site_title%', get_option('blogname'), $this->text);
|
||||
}
|
||||
}
|
||||
|
||||
// Init
|
||||
function efl_init() {
|
||||
if ( !class_exists('scbOptions_06') )
|
||||
require_once(dirname(__FILE__) . '/inc/scbOptions.php');
|
||||
|
||||
$GLOBALS['EFL_options'] = new scbOptions_06('efl-format');
|
||||
$GLOBALS['extraFeedLink'] = new extraFeedLink();
|
||||
|
||||
if ( is_admin() ) {
|
||||
require_once (dirname(__FILE__) . '/admin.php');
|
||||
new extraFeedLinkAdmin(__FILE__);
|
||||
}
|
||||
}
|
||||
|
||||
efl_init();
|
||||
|
||||
remove_action('wp_head', 'feed_links_extra', 3);
|
||||
|
||||
// Template tag
|
||||
function extra_feed_link($input = '') {
|
||||
global $extraFeedLink;
|
||||
|
||||
$extraFeedLink->theme_link($input);
|
||||
}
|
||||
@@ -0,0 +1,66 @@
|
||||
=== Extra Feed Links ===
|
||||
Contributors: scribu
|
||||
Donate link: http://scribu.net/wordpress
|
||||
Tags: archive, comments, feed, rss, aton
|
||||
Requires at least: 2.5
|
||||
Tested up to: 2.8
|
||||
Stable tag: 1.1.5.1
|
||||
|
||||
Adds extra feed auto-discovery links to various page types (categories, tags, search results etc.)
|
||||
|
||||
== Description ==
|
||||
|
||||
This plugin adds feed auto-discovery links to any page type:
|
||||
|
||||
* Category page
|
||||
* Tag page
|
||||
* Search page
|
||||
* Author page
|
||||
* Comments feed for single articles and pages
|
||||
|
||||
It also has a template tag that you can use in your theme.
|
||||
|
||||
== Installation ==
|
||||
|
||||
1. Unzip the archive and put the folder into your plugins folder (/wp-content/plugins/).
|
||||
1. Activate the plugin from the Plugins admin menu.
|
||||
1. Customize the links in the settings page.
|
||||
|
||||
**Usage**
|
||||
|
||||
You can use `extra_feed_link()` inside your theme to display a link to the feed corresponding to the type of page:
|
||||
|
||||
* `<?php extra_feed_link(); ?>` (creates a link with the default text)
|
||||
* `<?php extra_feed_link('Link Text'); ?>` (creates a link with the text you choose)
|
||||
* `<?php extra_feed_link('http://url/of/image'); ?>` (creates an image tag linked to the feed URL)
|
||||
* `<?php extra_feed_link('raw'); ?>` (just displays the feed URL)
|
||||
|
||||
== Frequently Asked Questions ==
|
||||
|
||||
= "Parse error: syntax error, unexpected T_CLASS..." Help! =
|
||||
|
||||
Make sure your new host is running PHP 5. Add this line to wp-config.php:
|
||||
|
||||
`var_dump(PHP_VERSION);`
|
||||
|
||||
== Changelog ==
|
||||
|
||||
= 1.1.5 =
|
||||
* WP 2.8 compatibility
|
||||
|
||||
= 1.1.1 =
|
||||
* italian translation
|
||||
|
||||
= 1.1 =
|
||||
* more flexible link text format
|
||||
* [more info](http://scribu.net/wordpress/extra-feed-links/efl-1-1.html)
|
||||
|
||||
= 1.0 =
|
||||
* added options page
|
||||
|
||||
= 0.6 =
|
||||
* extra_feed_link() template tag
|
||||
|
||||
= 0.5 =
|
||||
* initial release
|
||||
|
||||
Reference in New Issue
Block a user