698 lines
20 KiB
PHP
698 lines
20 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 = $admin_image_div_callback;
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}
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/**
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* Set up the hooks for the Custom Header admin page.
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*
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* @since 2.1.0
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*/
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function init() {
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if ( ! current_user_can('edit_theme_options') )
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return;
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$page = add_theme_page(__('Header'), __('Header'), 'edit_theme_options', '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 || 3 == $step ) && $this->header_text() )
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wp_enqueue_script('farbtastic');
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elseif ( 2 == $step )
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wp_enqueue_script('imgareaselect');
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}
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/**
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* Set up the enqueue for the CSS files
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*
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* @since 2.7
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*/
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function css_includes() {
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$step = $this->step();
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if ( ( 1 == $step || 3 == $step ) && $this->header_text() )
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wp_enqueue_style('farbtastic');
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elseif ( 2 == $step )
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wp_enqueue_style('imgareaselect');
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}
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/**
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* Check if header text is allowed
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*
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* @since 3.0.0
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*/
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function header_text() {
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if ( defined( 'NO_HEADER_TEXT' ) && NO_HEADER_TEXT )
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return false;
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return true;
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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('edit_theme_options') )
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return;
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if ( empty( $_POST ) )
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return;
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$this->updated = true;
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if ( isset( $_POST['resetheader'] ) ) {
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check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
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remove_theme_mod( 'header_image' );
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return;
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}
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if ( isset( $_POST['resettext'] ) ) {
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check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
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remove_theme_mod('header_textcolor');
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return;
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}
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if ( isset( $_POST['removeheader'] ) ) {
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check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
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set_theme_mod( 'header_image', '' );
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return;
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}
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if ( isset( $_POST['text-color'] ) ) {
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check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
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$_POST['text-color'] = str_replace( '#', '', $_POST['text-color'] );
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if ( 'blank' == $_POST['text-color'] ) {
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set_theme_mod( 'header_textcolor', 'blank' );
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} else {
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$color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['text-color']);
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if ( strlen($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['default-header']) ) {
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check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' );
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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 '<div id="available-headers">';
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foreach ( $this->default_headers as $header_key => $header ) {
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$header_thumbnail = $header['thumbnail_url'];
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$header_url = $header['url'];
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$header_desc = $header['description'];
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echo '<div class="default-header">';
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echo '<label><input name="default-header" type="radio" value="' . esc_attr($header_key) . '" ' . checked($header_url, get_theme_mod( 'header_image' ), false) . ' />';
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echo '<img src="' . $header_thumbnail . '" alt="' . esc_attr($header_desc) .'" title="' . esc_attr($header_desc) .'" /></label>';
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echo '</div>';
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}
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echo '<div class="clear"></div></div>';
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}
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/**
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* Execute Javascript depending on step.
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*
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* @since 2.1.0
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*/
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function js() {
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$step = $this->step();
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if ( ( 1 == $step || 3 == $step ) && $this->header_text() )
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$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 and 3.
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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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/* <![CDATA[ */
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var text_objects = ['#name', '#desc', '#text-color-row'];
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var farbtastic;
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var default_color = '#<?php echo HEADER_TEXTCOLOR; ?>';
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var old_color = null;
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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('#text-color').val(color);
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farbtastic.setColor(color);
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}
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function toggle_text(s) {
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if (jQuery(s).attr('id') == 'showtext' && jQuery('#text-color').val() != 'blank')
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return;
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if (jQuery(s).attr('id') == 'hidetext' && jQuery('#text-color').val() == 'blank')
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return;
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if (jQuery('#text-color').val() == 'blank') {
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//Show text
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if (old_color == '#blank')
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old_color = default_color;
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jQuery( text_objects.toString() ).show();
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jQuery('#text-color').val(old_color);
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jQuery('#name').css('color', old_color);
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jQuery('#desc').css('color', old_color);
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pickColor(old_color);
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} else {
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//Hide text
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jQuery( text_objects.toString() ).hide();
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old_color = jQuery('#text-color').val();
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jQuery('#text-color').val('blank');
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}
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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('#color-picker').show();
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});
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jQuery('input[name="hidetext"]').click(function() {
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toggle_text(this);
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});
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jQuery('#defaultcolor').click(function() {
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pickColor(default_color);
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jQuery('#text-color').val(default_color)
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});
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jQuery('#text-color').keyup(function() {
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var _hex = jQuery('#text-color').val();
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var hex = _hex;
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if ( hex[0] != '#' )
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hex = '#' + hex;
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hex = hex.replace(/[^#a-fA-F0-9]+/, '');
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if ( hex != _hex )
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jQuery('#text-color').val(hex);
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if ( hex.length == 4 || hex.length == 7 )
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pickColor( hex );
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});
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jQuery(document).mousedown(function(){
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jQuery('#color-picker').each( function() {
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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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farbtastic = jQuery.farbtastic('#color-picker', function(color) { pickColor(color); });
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<?php if ( $color = get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?>
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pickColor('#<?php echo $color; ?>');
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<?php } ?>
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<?php if ( 'blank' == get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) || '' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) || ! $this->header_text() ) { ?>
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toggle_text();
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<?php } ?>
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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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/* <![CDATA[ */
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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( '#width' ).val(coords.w);
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jQuery( '#height' ).val(coords.h);
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}
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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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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').imgAreaSelect({
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handles: true,
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keys: true,
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aspectRatio: xinit + ':' + yinit,
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show: true,
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x1: 0,
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y1: 0,
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x2: xinit,
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y2: yinit,
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maxHeight: <?php echo HEADER_IMAGE_HEIGHT; ?>,
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maxWidth: <?php echo HEADER_IMAGE_WIDTH; ?>,
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onInit: function () {
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jQuery('#width').val(xinit);
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jQuery('#height').val(yinit);
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},
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onSelectChange: function(img, c) {
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jQuery('#x1').val(c.x1);
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jQuery('#y1').val(c.y1);
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jQuery('#width').val(c.width);
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jQuery('#height').val(c.height);
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}
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});
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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('Custom Header'); ?></h2>
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<?php if ( ! empty( $this->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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<h3><?php _e( 'Header Image' ) ?></h3>
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<table class="form-table">
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<tbody>
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<tr valign="top">
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<th scope="row"><?php _e( 'Preview' ); ?></th>
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<td >
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<?php 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="max-width:<?php echo HEADER_IMAGE_WIDTH; ?>px;height:<?php echo HEADER_IMAGE_HEIGHT; ?>px;background-image:url(<?php esc_url ( header_image() ) ?>);">
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<?php
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if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) || '' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) || ! $this->header_text() )
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$style = ' style="display:none;"';
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else
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$style = ' style="color:#' . get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) . ';"';
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?>
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<h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php bloginfo('url'); ?>"><?php bloginfo( 'name' ); ?></a></h1>
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<div id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></div>
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</div>
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<?php } ?>
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</td>
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</tr>
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<tr valign="top">
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<th scope="row"><?php _e( 'Upload Image' ); ?></th>
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<td>
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<p><?php _e( 'You can upload a custom header image to be shown at the top of your site instead of the default one. On the next screen you will be able to crop the image.' ); ?><br />
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<?php printf( __( 'Images of exactly <strong>%1$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="upload-form" method="post" action="<?php echo esc_attr( add_query_arg( 'step', 2 ) ) ?>">
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<p>
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<label for="upload"><?php _e( 'Choose an image from your computer:' ); ?></label><br />
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<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-upload', '_wpnonce-custom-header-upload' ) ?>
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<input type="submit" class="button" value="<?php esc_attr_e( 'Upload' ); ?>" />
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</p>
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</form>
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</td>
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</tr>
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</tbody>
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</table>
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<form method="post" action="<?php echo esc_attr( add_query_arg( 'step', 1 ) ) ?>">
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<table class="form-table">
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<tbody>
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<?php if ( ! empty( $this->default_headers ) ) : ?>
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<tr valign="top">
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<th scope="row"><?php _e( 'Default Images' ); ?></th>
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<td>
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<p><?php _e( 'If you don‘t want to upload your own image, you can use one of these cool headers.' ) ?></p>
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<?php
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$this->show_default_header_selector();
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?>
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</td>
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</tr>
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<?php endif;
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if ( get_header_image() ) : ?>
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<tr valign="top">
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<th scope="row"><?php _e( 'Remove Image' ); ?></th>
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<td>
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<p><?php _e( 'This will remove the header image. You will not be able to restore any customizations.' ) ?></p>
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<input type="submit" class="button" name="removeheader" value="<?php esc_attr_e( 'Remove Header Image' ); ?>" />
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</td>
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</tr>
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<?php endif;
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if ( defined( 'HEADER_IMAGE' ) ) : ?>
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<tr valign="top">
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<th scope="row"><?php _e( 'Reset Image' ); ?></th>
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<td>
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<p><?php _e( 'This will restore the original header image. You will not be able to restore any customizations.' ) ?></p>
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<input type="submit" class="button" name="resetheader" value="<?php esc_attr_e( 'Restore Original Header Image' ); ?>" />
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</td>
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</tr>
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<?php endif; ?>
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</tbody>
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</table>
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<?php if ( $this->header_text() ) : ?>
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<h3><?php _e( 'Header Text' ) ?></h3>
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<table class="form-table">
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<tbody>
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<tr valign="top" class="hide-if-no-js">
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<th scope="row"><?php _e( 'Display Text' ); ?></th>
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<td>
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<p>
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<?php $hidetext = get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ); ?>
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<label><input type="radio" value="1" name="hidetext" id="hidetext"<?php checked( ( 'blank' == $hidetext || empty( $hidetext ) ) ? true : false ); ?> /> <?php _e( 'No' ); ?></label>
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<label><input type="radio" value="0" name="hidetext" id="showtext"<?php checked( ( 'blank' == $hidetext || empty( $hidetext ) ) ? false : true ); ?> /> <?php _e( 'Yes' ); ?></label>
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
|
|
<tr valign="top" id="text-color-row">
|
|
<th scope="row"><?php _e( 'Text Color' ); ?></th>
|
|
<td>
|
|
<p>
|
|
<input type="text" name="text-color" id="text-color" value="#<?php echo esc_attr( get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) ); ?>" />
|
|
<span class="description hide-if-js"><?php _e( 'If you want to hide header text, add <strong>#blank</strong> as text color.' );?></span>
|
|
<input type="button" class="button hide-if-no-js" value="<?php esc_attr_e( 'Select a Color' ); ?>" id="pickcolor" />
|
|
</p>
|
|
<div id="color-picker" style="z-index: 100; background:#eee; border:1px solid #ccc; position:absolute; display:none;"></div>
|
|
</td>
|
|
</tr>
|
|
|
|
<?php if ( defined('HEADER_TEXTCOLOR') && get_theme_mod('header_textcolor') ) { ?>
|
|
<tr valign="top">
|
|
<th scope="row"><?php _e('Reset Text Color'); ?></th>
|
|
<td>
|
|
<p><?php _e( 'This will restore the original header text. You will not be able to restore any customizations.' ) ?></p>
|
|
<input type="submit" class="button" name="resettext" value="<?php esc_attr_e( 'Restore Original Header Text' ); ?>" />
|
|
</td>
|
|
</tr>
|
|
<?php } ?>
|
|
|
|
</tbody>
|
|
</table>
|
|
<?php endif;
|
|
|
|
wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); ?>
|
|
<p class="submit"><input type="submit" class="button-primary" name="save-header-options" value="<?php esc_attr_e( 'Save Changes' ); ?>" /></p>
|
|
</form>
|
|
</div>
|
|
|
|
<?php }
|
|
|
|
/**
|
|
* Display second step of custom header image page.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function step_2() {
|
|
check_admin_referer('custom-header-upload', '_wpnonce-custom-header-upload');
|
|
$overrides = array('test_form' => false);
|
|
$file = wp_handle_upload($_FILES['import'], $overrides);
|
|
|
|
if ( isset($file['error']) )
|
|
wp_die( $file['error'], __( 'Image Upload Error' ) );
|
|
|
|
$url = $file['url'];
|
|
$type = $file['type'];
|
|
$file = $file['file'];
|
|
$filename = basename($file);
|
|
|
|
// Construct the object array
|
|
$object = array(
|
|
'post_title' => $filename,
|
|
'post_content' => $url,
|
|
'post_mime_type' => $type,
|
|
'guid' => $url);
|
|
|
|
// Save the data
|
|
$id = wp_insert_attachment($object, $file);
|
|
|
|
list($width, $height, $type, $attr) = getimagesize( $file );
|
|
|
|
if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
|
|
// Add the meta-data
|
|
wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $file ) );
|
|
|
|
set_theme_mod('header_image', esc_url($url));
|
|
do_action('wp_create_file_in_uploads', $file, $id); // For replication
|
|
return $this->finished();
|
|
} elseif ( $width > HEADER_IMAGE_WIDTH ) {
|
|
$oitar = $width / HEADER_IMAGE_WIDTH;
|
|
$image = wp_crop_image($file, 0, 0, $width, $height, HEADER_IMAGE_WIDTH, $height / $oitar, false, str_replace(basename($file), 'midsize-'.basename($file), $file));
|
|
if ( is_wp_error( $image ) )
|
|
wp_die( __( 'Image could not be processed. Please go back and try again.' ), __( 'Image Processing Error' ) );
|
|
|
|
$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">
|
|
<?php screen_icon(); ?>
|
|
<h2><?php _e( 'Crop Header Image' ); ?></h2>
|
|
|
|
<form method="post" action="<?php echo esc_attr(add_query_arg('step', 3)); ?>">
|
|
<p class="hide-if-no-js"><?php _e('Choose the part of the image you want to use as your header.'); ?></p>
|
|
<p class="hide-if-js"><strong><?php _e( 'You need Javascript to choose a part of the image.'); ?></strong></p>
|
|
|
|
<div id="crop_image" style="position: relative">
|
|
<img src="<?php echo esc_url( $url ); ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" />
|
|
</div>
|
|
|
|
<p class="submit">
|
|
<input type="hidden" name="x1" id="x1" value="0"/>
|
|
<input type="hidden" name="y1" id="y1" value="0"/>
|
|
<input type="hidden" name="width" id="width" value="<?php echo esc_attr( $width ); ?>"/>
|
|
<input type="hidden" name="height" id="height" value="<?php echo esc_attr( $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-crop-image' ) ?>
|
|
<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-crop-image');
|
|
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() {
|
|
$this->updated = true;
|
|
$this->step_1();
|
|
}
|
|
|
|
/**
|
|
* Display the page based on the current step.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
function admin_page() {
|
|
if ( ! current_user_can('edit_theme_options') )
|
|
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();
|
|
}
|
|
|
|
}
|
|
?>
|