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e64a657575
git-svn-id: http://svn.automattic.com/wordpress/trunk@14315 1a063a9b-81f0-0310-95a4-ce76da25c4cd
613 lines
17 KiB
PHP
613 lines
17 KiB
PHP
<?php
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/**
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* The custom header image script.
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/**
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* The custom header image class.
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*
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* @since 2.1.0
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* @package WordPress
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* @subpackage Administration
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*/
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class Custom_Image_Header {
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/**
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* Callback for administration header.
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*
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* @var callback
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* @since 2.1.0
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* @access private
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*/
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var $admin_header_callback;
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/**
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* Callback for header div.
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*
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* @var callback
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* @since 3.0.0
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* @access private
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*/
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var $admin_image_div_callback;
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/**
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* Holds default headers.
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*
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* @var array
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* @since 3.0.0
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* @access private
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*/
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var $default_headers = array();
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/**
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* PHP4 Constructor - Register administration header callback.
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*
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* @since 2.1.0
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* @param callback $admin_header_callback
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* @param callback $admin_image_div_callback Optional custom image div output callback.
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* @return Custom_Image_Header
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*/
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function Custom_Image_Header($admin_header_callback, $admin_image_div_callback = '') {
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$this->admin_header_callback = $admin_header_callback;
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$this->admin_image_div_callback = $admin_image_div_callback;
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}
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/**
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* Set up the hooks for the Custom Header admin page.
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*
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* @since 2.1.0
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*/
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function init() {
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if ( ! current_user_can('switch_themes') )
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return;
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$page = add_theme_page(__('Header'), __('Header'), 'switch_themes', 'custom-header', array(&$this, 'admin_page'));
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add_action("admin_print_scripts-$page", array(&$this, 'js_includes'));
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add_action("admin_print_styles-$page", array(&$this, 'css_includes'));
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add_action("admin_head-$page", array(&$this, 'take_action'), 50);
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add_action("admin_head-$page", array(&$this, 'js'), 50);
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add_action("admin_head-$page", $this->admin_header_callback, 51);
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}
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/**
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* Get the current step.
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*
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* @since 2.6.0
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*
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* @return int Current step
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*/
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function step() {
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if ( ! isset( $_GET['step'] ) )
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return 1;
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$step = (int) $_GET['step'];
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if ( $step < 1 || 3 < $step )
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$step = 1;
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return $step;
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}
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/**
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* Set up the enqueue for the JavaScript files.
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*
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* @since 2.1.0
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*/
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function js_includes() {
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$step = $this->step();
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if ( 1 == $step )
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wp_enqueue_script('farbtastic');
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elseif ( 2 == $step )
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wp_enqueue_script('jcrop');
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}
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/**
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* Set up the enqueue for the CSS files
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*
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* @since 2.7
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*/
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function css_includes() {
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$step = $this->step();
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if ( 1 == $step )
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wp_enqueue_style('farbtastic');
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elseif ( 2 == $step )
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wp_enqueue_style('jcrop');
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}
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/**
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* Execute custom header modification.
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*
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* @since 2.6.0
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*/
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function take_action() {
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if ( ! current_user_can('switch_themes') )
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return;
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if ( isset( $_POST['textcolor'] ) ) {
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check_admin_referer('custom-header');
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if ( 'blank' == $_POST['textcolor'] ) {
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set_theme_mod('header_textcolor', 'blank');
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} else {
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$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['textcolor']);
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if ( strlen($color) == 6 || strlen($color) == 3 )
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set_theme_mod('header_textcolor', $color);
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}
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}
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if ( isset($_POST['resetheader']) ) {
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check_admin_referer('custom-header');
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remove_theme_mods();
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}
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if ( isset($_POST['default-header']) ) {
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check_admin_referer('custom-header');
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$this->process_default_headers();
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if ( isset($this->default_headers[$_POST['default-header']]) )
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set_theme_mod('header_image', esc_url($this->default_headers[$_POST['default-header']]['url']));
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}
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}
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/**
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* Process the default headers
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*
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* @since 3.0.0
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*/
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function process_default_headers() {
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global $_wp_default_headers;
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if ( !empty($this->headers) )
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return;
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if ( !isset($_wp_default_headers) )
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return;
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$this->default_headers = $_wp_default_headers;
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foreach ( array_keys($this->default_headers) as $header ) {
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$this->default_headers[$header]['url'] = sprintf( $this->default_headers[$header]['url'], get_template_directory_uri(), get_stylesheet_directory_uri() );
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$this->default_headers[$header]['thumbnail_url'] = sprintf( $this->default_headers[$header]['thumbnail_url'], get_template_directory_uri(), get_stylesheet_directory_uri() );
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}
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}
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/**
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* Display UI for selecting one of several default headers.
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*
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* @since 3.0.0
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*/
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function show_default_header_selector() {
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echo '<table id="available-headers" cellspacing="0" cellpadding="0">';
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$headers = array_keys($this->default_headers);
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$table = array();
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$rows = ceil(count($headers) / 3);
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for ( $row = 1; $row <= $rows; $row++ ) {
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for ( $col = 1; $col <= 3; $col++ ) {
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$table[$row][$col] = array_shift($headers);
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}
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}
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foreach ( $table as $row => $cols ) {
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echo '<tr>';
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foreach ( $cols as $col => $header_key ) {
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if ( !$header_key )
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continue;
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$class = array('available-header');
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if ( $row == 1 ) $class[] = 'top';
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if ( $col == 1 ) $class[] = 'left';
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if ( $row == $rows ) $class[] = 'bottom';
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if ( $col == 3 ) $class[] = 'right';
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if ( !isset($this->headers[$header_key]))
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echo '<td class="' . join(' ', $class) . '">';
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$header_thumbnail = $this->default_headers[$header_key]['thumbnail_url'];
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$header_url = $this->default_headers[$header_key]['url'];
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$header_desc = $this->default_headers[$header_key]['description'];
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echo '<label><input name="default-header" type="radio" value="' . esc_attr($header_key) . '" ' . checked($header_url, get_header_image(), false) . ' />';
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echo '<img src="' . $header_thumbnail . '" alt="' . esc_attr($header_desc) .'" /></label>';
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echo '</td>';
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}
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echo '</tr>';
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}
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echo '</table>';
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}
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/**
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* Execute Javascript depending on step.
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*
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* @since 2.1.0
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*/
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function js() {
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$step = $this->step();
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if ( 1 == $step )
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$this->js_1();
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elseif ( 2 == $step )
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$this->js_2();
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}
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/**
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* Display Javascript based on Step 1.
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*
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* @since 2.6.0
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*/
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function js_1() { ?>
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<script type="text/javascript">
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var buttons = ['#name', '#desc', '#pickcolor', '#defaultcolor'];
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var farbtastic;
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function pickColor(color) {
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jQuery('#name').css('color', color);
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jQuery('#desc').css('color', color);
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jQuery('#textcolor').val(color);
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farbtastic.setColor(color);
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}
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jQuery(document).ready(function() {
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jQuery('#pickcolor').click(function() {
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jQuery('#colorPickerDiv').show();
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});
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jQuery('#hidetext').click(function() {
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toggle_text();
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});
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farbtastic = jQuery.farbtastic('#colorPickerDiv', function(color) { pickColor(color); });
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pickColor('#<?php echo get_theme_mod('header_textcolor', HEADER_TEXTCOLOR); ?>');
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<?php if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?>
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toggle_text();
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<?php } ?>
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});
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jQuery(document).mousedown(function(){
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// Make the picker disappear, since we're using it in an independant div
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hide_picker();
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});
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function colorDefault() {
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pickColor('#<?php echo HEADER_TEXTCOLOR; ?>');
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}
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function hide_picker(what) {
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var update = false;
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jQuery('#colorPickerDiv').each(function(){
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var id = jQuery(this).attr('id');
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if (id == what) {
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return;
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}
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var display = jQuery(this).css('display');
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if (display == 'block') {
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jQuery(this).fadeOut(2);
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}
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});
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}
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function toggle_text(force) {
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if (jQuery('#textcolor').val() == 'blank') {
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//Show text
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jQuery( buttons.toString() ).show();
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jQuery('#textcolor').val('<?php echo HEADER_TEXTCOLOR; ?>');
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jQuery('#hidetext').val('<?php _e('Hide Text'); ?>');
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}
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else {
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//Hide text
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jQuery( buttons.toString() ).hide();
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jQuery('#textcolor').val('blank');
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jQuery('#hidetext').val('<?php _e('Show Text'); ?>');
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}
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}
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</script>
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<?php
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}
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/**
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* Display Javascript based on Step 2.
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*
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* @since 2.6.0
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*/
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function js_2() { ?>
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<script type="text/javascript">
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function onEndCrop( coords ) {
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jQuery( '#x1' ).val(coords.x);
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jQuery( '#y1' ).val(coords.y);
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jQuery( '#x2' ).val(coords.x2);
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jQuery( '#y2' ).val(coords.y2);
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jQuery( '#width' ).val(coords.w);
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jQuery( '#height' ).val(coords.h);
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}
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// with a supplied ratio
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jQuery(document).ready(function() {
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var xinit = <?php echo HEADER_IMAGE_WIDTH; ?>;
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var yinit = <?php echo HEADER_IMAGE_HEIGHT; ?>;
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var ratio = xinit / yinit;
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var ximg = jQuery('#upload').width();
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var yimg = jQuery('#upload').height();
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//set up default values
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jQuery( '#x1' ).val(0);
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jQuery( '#y1' ).val(0);
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jQuery( '#x2' ).val(xinit);
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jQuery( '#y2' ).val(yinit);
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jQuery( '#width' ).val(xinit);
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jQuery( '#height' ).val(yinit);
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if ( yimg < yinit || ximg < xinit ) {
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if ( ximg / yimg > ratio ) {
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yinit = yimg;
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xinit = yinit * ratio;
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} else {
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xinit = ximg;
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yinit = xinit / ratio;
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}
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}
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jQuery('#upload').Jcrop({
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aspectRatio: ratio,
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setSelect: [ 0, 0, xinit, yinit ],
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onSelect: onEndCrop
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});
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});
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</script>
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<?php
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}
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/**
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* Display first step of custom header image page.
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*
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* @since 2.1.0
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*/
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function step_1() {
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$this->process_default_headers();
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?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php _e('Your Header Image'); ?></h2>
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<?php
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if ( isset($_GET['updated']) && $_GET['updated'] ) { ?>
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<div id="message" class="updated">
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<p><?php printf(__('Header updated. <a href="%s">Visit your site</a> to see how it looks.'), home_url()); ?></p>
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</div>
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<?php }
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if ( get_theme_mod('header_image') || empty($this->default_headers) ) :
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?>
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<p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p>
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<?php
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if ( $this->admin_image_div_callback ) {
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call_user_func($this->admin_image_div_callback);
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} else {
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?>
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<div id="headimg" style="background-image: url(<?php esc_url(header_image()) ?>);">
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<h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1>
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<div id="desc"><?php bloginfo('description');?></div>
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</div>
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<?php } ?>
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<?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?>
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<form method="post" action="<?php echo admin_url('themes.php?page=custom-header&updated=true') ?>">
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<input type="button" class="button" value="<?php esc_attr_e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" />
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<input type="button" class="button" value="<?php esc_attr_e('Select a Text Color'); ?>" id="pickcolor" /><input type="button" class="button" value="<?php esc_attr_e('Use Original Color'); ?>" onclick="colorDefault()" id="defaultcolor" />
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<?php wp_nonce_field('custom-header'); ?>
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<input type="hidden" name="textcolor" id="textcolor" value="#<?php esc_attr(header_textcolor()) ?>" /><input name="submit" type="submit" class="button" value="<?php esc_attr_e('Save Changes'); ?>" /></form>
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<?php } ?>
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<div id="colorPickerDiv" style="z-index: 100;background:#eee;border:1px solid #ccc;position:absolute;display:none;"> </div>
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</div>
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<?php
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else:
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echo '<p>' . __('Choose one of these cool headers, or upload your own image below.') . '</p>';
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echo '<form method="post" action="' . admin_url('themes.php?page=custom-header&updated=true') . '">';
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wp_nonce_field('custom-header');
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$this->show_default_header_selector();
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echo '<input type="submit" class="button" value="' . esc_attr__('Save Changes') . '" />';
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echo '</form>';
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echo '</div>';
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endif;
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?>
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<div class="wrap">
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<h3><?php _e('Upload New Header Image'); ?></h3><p><?php _e('Here you can upload a custom header image to be shown at the top of your site instead of the default one. On the next screen you will be able to crop the image.'); ?> <?php printf(__('Images of exactly <strong>%1$d x %2$d pixels</strong> will be used as-is.'), HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT); ?></p>
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<form enctype="multipart/form-data" id="uploadForm" method="POST" action="<?php echo esc_attr(add_query_arg('step', 2)) ?>">
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<label for="upload"><?php _e('Choose an image from your computer:'); ?></label><br /><input type="file" id="upload" name="import" />
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<input type="hidden" name="action" value="save" />
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<?php wp_nonce_field('custom-header') ?>
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<p class="submit">
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<input type="submit" value="<?php esc_attr_e('Upload'); ?>" />
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</p>
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</form>
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</div>
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<?php if ( get_theme_mod('header_image') || get_theme_mod('header_textcolor') ) : ?>
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<div class="wrap">
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<h3><?php _e('Reset Header Image and Color'); ?></h3>
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<form method="post" action="<?php echo esc_attr(add_query_arg('step', 1)) ?>">
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<?php
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wp_nonce_field('custom-header');
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if ( !empty($this->default_headers) ) {
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?>
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<p><?php _e('Use one of these cool headers.') ?></p>
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<?php
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$this->show_default_header_selector();
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?>
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<input type="submit" class="button" name="resetheader" value="<?php esc_attr_e('Save Changes'); ?>" />
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<?php
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} else {
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?>
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<p><?php _e('This will restore the original header image and color. You will not be able to retrieve any customizations.') ?></p>
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<input type="submit" class="button" name="resetheader" value="<?php esc_attr_e('Restore Original Header'); ?>" />
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<?php } ?>
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</form>
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</div>
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<?php endif;
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}
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/**
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* Display second step of custom header image page.
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*
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* @since 2.1.0
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*/
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function step_2() {
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check_admin_referer('custom-header');
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$overrides = array('test_form' => false);
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$file = wp_handle_upload($_FILES['import'], $overrides);
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if ( isset($file['error']) )
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die( $file['error'] );
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$url = $file['url'];
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$type = $file['type'];
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$file = $file['file'];
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$filename = basename($file);
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// Construct the object array
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$object = array(
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'post_title' => $filename,
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'post_content' => $url,
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'post_mime_type' => $type,
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'guid' => $url);
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// Save the data
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$id = wp_insert_attachment($object, $file);
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list($width, $height, $type, $attr) = getimagesize( $file );
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if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
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// Add the meta-data
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wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
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set_theme_mod('header_image', esc_url($url));
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do_action('wp_create_file_in_uploads', $file, $id); // For replication
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return $this->finished();
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} elseif ( $width > HEADER_IMAGE_WIDTH ) {
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$oitar = $width / HEADER_IMAGE_WIDTH;
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$image = wp_crop_image($file, 0, 0, $width, $height, HEADER_IMAGE_WIDTH, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file));
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if ( is_wp_error( $image ) )
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wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
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$image = apply_filters('wp_create_file_in_uploads', $image, $id); // For replication
|
|
|
|
$url = str_replace(basename($url), basename($image), $url);
|
|
$width = $width / $oitar;
|
|
$height = $height / $oitar;
|
|
} else {
|
|
$oitar = 1;
|
|
}
|
|
?>
|
|
|
|
<div class="wrap">
|
|
|
|
<form method="POST" action="<?php echo esc_attr(add_query_arg('step', 3)) ?>">
|
|
|
|
<p><?php _e('Choose the part of the image you want to use as your header.'); ?></p>
|
|
<div id="testWrap" style="position: relative">
|
|
<img src="<?php echo $url; ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" />
|
|
</div>
|
|
|
|
<p class="submit">
|
|
<input type="hidden" name="x1" id="x1" />
|
|
<input type="hidden" name="y1" id="y1" />
|
|
<input type="hidden" name="x2" id="x2" />
|
|
<input type="hidden" name="y2" id="y2" />
|
|
<input type="hidden" name="width" id="width" />
|
|
<input type="hidden" name="height" id="height" />
|
|
<input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr($id); ?>" />
|
|
<input type="hidden" name="oitar" id="oitar" value="<?php echo esc_attr($oitar); ?>" />
|
|
<?php wp_nonce_field('custom-header') ?>
|
|
<input type="submit" value="<?php esc_attr_e('Crop Header'); ?>" />
|
|
</p>
|
|
|
|
</form>
|
|
</div>
|
|
<?php
|
|
}
|
|
|
|
/**
|
|
* Display third step of custom header image page.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function step_3() {
|
|
check_admin_referer('custom-header');
|
|
if ( $_POST['oitar'] > 1 ) {
|
|
$_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
|
|
$_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
|
|
$_POST['width'] = $_POST['width'] * $_POST['oitar'];
|
|
$_POST['height'] = $_POST['height'] * $_POST['oitar'];
|
|
}
|
|
|
|
$original = get_attached_file( $_POST['attachment_id'] );
|
|
|
|
$cropped = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
|
|
if ( is_wp_error( $cropped ) )
|
|
wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
|
|
|
|
$cropped = apply_filters('wp_create_file_in_uploads', $cropped, $_POST['attachment_id']); // For replication
|
|
|
|
$parent = get_post($_POST['attachment_id']);
|
|
$parent_url = $parent->guid;
|
|
$url = str_replace(basename($parent_url), basename($cropped), $parent_url);
|
|
|
|
// Construct the object array
|
|
$object = array(
|
|
'ID' => $_POST['attachment_id'],
|
|
'post_title' => basename($cropped),
|
|
'post_content' => $url,
|
|
'post_mime_type' => 'image/jpeg',
|
|
'guid' => $url
|
|
);
|
|
|
|
// Update the attachment
|
|
wp_insert_attachment($object, $cropped);
|
|
wp_update_attachment_metadata( $_POST['attachment_id'], wp_generate_attachment_metadata( $_POST['attachment_id'], $cropped ) );
|
|
|
|
set_theme_mod('header_image', $url);
|
|
|
|
// cleanup
|
|
$medium = str_replace(basename($original), 'midsize-'.basename($original), $original);
|
|
@unlink( apply_filters( 'wp_delete_file', $medium ) );
|
|
@unlink( apply_filters( 'wp_delete_file', $original ) );
|
|
|
|
return $this->finished();
|
|
}
|
|
|
|
/**
|
|
* Display last step of custom header image page.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function finished() {
|
|
$_GET['updated'] = 1;
|
|
$this->step_1();
|
|
}
|
|
|
|
/**
|
|
* Display the page based on the current step.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function admin_page() {
|
|
if ( ! current_user_can('switch_themes') )
|
|
wp_die(__('You do not have permission to customize headers.'));
|
|
$step = $this->step();
|
|
if ( 1 == $step )
|
|
$this->step_1();
|
|
elseif ( 2 == $step )
|
|
$this->step_2();
|
|
elseif ( 3 == $step )
|
|
$this->step_3();
|
|
}
|
|
|
|
}
|
|
?>
|