332 lines
10 KiB
PHP
332 lines
10 KiB
PHP
<?php
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class Custom_Image_Header {
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var $admin_header_callback;
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function Custom_Image_Header($admin_header_callback) {
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$this->admin_header_callback = $admin_header_callback;
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}
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function init() {
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$page = add_theme_page(__('Custom Image Header'), __('Custom Image Header'), 'edit_themes', 'custom-header', array(&$this, 'admin_page'));
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add_action("admin_print_scripts-$page", array(&$this, 'js_includes'));
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add_action("admin_head-$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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function js_includes() {
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wp_enqueue_script('cropper');
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wp_enqueue_script('colorpicker');
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}
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function js() {
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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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?>
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<script type="text/javascript">
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function onEndCrop( coords, dimensions ) {
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$( 'x1' ).value = coords.x1;
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$( 'y1' ).value = coords.y1;
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$( 'x2' ).value = coords.x2;
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$( 'y2' ).value = coords.y2;
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$( 'width' ).value = dimensions.width;
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$( 'height' ).value = dimensions.height;
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}
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// with a supplied ratio
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Event.observe(
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window,
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'load',
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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 = $('upload').width;
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var yimg = $('upload').height;
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if ( yimg < yinit || ximg < xinit ) {
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if ( ximg / yimg > ratio ) {
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yinit = yimg;
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xinit = yinit * ratio;
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} else {
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xinit = ximg;
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yinit = xinit / ratio;
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}
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}
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new Cropper.Img(
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'upload',
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{
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ratioDim: { x: xinit, y: yinit },
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displayOnInit: true,
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onEndCrop: onEndCrop
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}
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)
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}
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);
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var cp = new ColorPicker();
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function pickColor(color) {
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$('name').style.color = color;
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$('desc').style.color = color;
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$('textcolor').value = color;
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}
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function PopupWindow_hidePopup(magicword) {
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if ( magicword != 'prettyplease' )
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return false;
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if (this.divName != null) {
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if (this.use_gebi) {
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document.getElementById(this.divName).style.visibility = "hidden";
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}
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else if (this.use_css) {
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document.all[this.divName].style.visibility = "hidden";
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}
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else if (this.use_layers) {
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document.layers[this.divName].visibility = "hidden";
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}
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}
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else {
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if (this.popupWindow && !this.popupWindow.closed) {
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this.popupWindow.close();
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this.popupWindow = null;
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}
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}
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return false;
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}
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function colorSelect(t,p) {
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if ( cp.p == p && document.getElementById(cp.divName).style.visibility != "hidden" ) {
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cp.hidePopup('prettyplease');
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} else {
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cp.p = p;
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cp.select(t,p);
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}
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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_text() {
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$('name').style.display = 'none';
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$('desc').style.display = 'none';
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$('pickcolor').style.display = 'none';
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$('defaultcolor').style.display = 'none';
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$('textcolor').value = 'blank';
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$('hidetext').value = '<?php _e('Show Text'); ?>';
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// $('hidetext').onclick = 'show_text()';
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Event.observe( $('hidetext'), 'click', show_text );
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}
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function show_text() {
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$('name').style.display = 'block';
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$('desc').style.display = 'block';
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$('pickcolor').style.display = 'inline';
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$('defaultcolor').style.display = 'inline';
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$('textcolor').value = '<?php echo HEADER_TEXTCOLOR; ?>';
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$('hidetext').value = '<?php _e('Hide Text'); ?>';
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Event.stopObserving( $('hidetext'), 'click', show_text );
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Event.observe( $('hidetext'), 'click', hide_text );
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}
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<?php if ( 'blank' == get_theme_mod('header_textcolor', HEADER_TEXTCOLOR) ) { ?>
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Event.observe( window, 'load', hide_text );
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<?php } ?>
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</script>
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<?php
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}
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function step_1() {
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if ( $_GET['updated'] ) { ?>
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<div id="message" class="updated fade">
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<p><?php _e('Header updated.') ?></p>
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</div>
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<?php } ?>
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<div class="wrap">
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<h2><?php _e('Your Header Image'); ?></h2>
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<p><?php _e('This is your header image. You can change the text color or upload and crop a new image.'); ?></p>
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<div id="headimg" style="background: url(<?php clean_url(header_image()) ?>) no-repeat;">
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<h1><a onclick="return false;" href="<?php bloginfo('url'); ?>" title="<?php bloginfo('name'); ?>" id="name"><?php bloginfo('name'); ?></a></h1>
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<div id="desc"><?php bloginfo('description');?></div>
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</div>
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<?php if ( !defined( 'NO_HEADER_TEXT' ) ) { ?>
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<form method="post" action="<?php echo get_option('siteurl') ?>/wp-admin/themes.php?page=custom-header&updated=true">
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<input type="button" value="<?php _e('Hide Text'); ?>" onclick="hide_text()" id="hidetext" />
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<input type="button" value="<?php _e('Select a Text Color'); ?>" onclick="colorSelect($('textcolor'), 'pickcolor')" id="pickcolor" /><input type="button" value="<?php _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 attribute_escape(header_textcolor()) ?>" /><input name="submit" type="submit" value="<?php _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;visibility:hidden;"> </div>
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</div>
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<div class="wrap">
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<h2><?php _e('Upload New Header Image'); ?></h2><p><?php _e('Here you can upload a custom header image to be shown at the top of your blog instead of the default one. On the next screen you will be able to crop the image.'); ?></p>
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<p><?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 attribute_escape(add_query_arg('step', 2)) ?>" style="margin: auto; width: 50%;">
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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 _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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<h2><?php _e('Reset Header Image and Color'); ?></h2>
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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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<form method="post" action="<?php echo attribute_escape(add_query_arg('step', 1)) ?>">
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<input type="submit" name="resetheader" value="<?php _e('Restore Original Header'); ?>" />
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</form>
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</div>
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<?php endif;
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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 = $file['url'];
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$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' => 'import',
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'guid' => $url);
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// Save the data
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$id = wp_insert_attachment($object, $file);
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$upload = array('file' => $file, 'id' => $id);
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list($width, $height, $type, $attr) = getimagesize( $file );
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if ( $width == HEADER_IMAGE_WIDTH && $height == HEADER_IMAGE_HEIGHT ) {
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set_theme_mod('header_image', clean_url($url));
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$header = apply_filters('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), $file));
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$image = apply_filters('wp_create_file_in_uploads', $image, $id); // For replication
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$url = str_replace(basename($url), basename($image), $url);
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$width = $width / $oitar;
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$height = $height / $oitar;
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} else {
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$oitar = 1;
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}
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?>
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<div class="wrap">
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<form method="POST" action="<?php echo attribute_escape(add_query_arg('step', 3)) ?>">
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<p><?php _e('Choose the part of the image you want to use as your header.'); ?></p>
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<div id="testWrap">
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<img src="<?php echo $url; ?>" id="upload" width="<?php echo $width; ?>" height="<?php echo $height; ?>" />
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</div>
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<p class="submit">
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<input type="hidden" name="x1" id="x1" />
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<input type="hidden" name="y1" id="y1" />
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<input type="hidden" name="x2" id="x2" />
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<input type="hidden" name="y2" id="y2" />
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<input type="hidden" name="width" id="width" />
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<input type="hidden" name="height" id="height" />
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<input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo $id; ?>" />
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<input type="hidden" name="oitar" id="oitar" value="<?php echo $oitar; ?>" />
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<?php wp_nonce_field('custom-header') ?>
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<input type="submit" value="<?php _e('Crop Header »'); ?>" />
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</p>
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</form>
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</div>
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<?php
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}
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function step_3() {
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check_admin_referer('custom-header');
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if ( $_POST['oitar'] > 1 ) {
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$_POST['x1'] = $_POST['x1'] * $_POST['oitar'];
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$_POST['y1'] = $_POST['y1'] * $_POST['oitar'];
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$_POST['width'] = $_POST['width'] * $_POST['oitar'];
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$_POST['height'] = $_POST['height'] * $_POST['oitar'];
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}
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$header = wp_crop_image($_POST['attachment_id'], $_POST['x1'], $_POST['y1'], $_POST['width'], $_POST['height'], HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT);
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$header = apply_filters('wp_create_file_in_uploads', $header); // For replication
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$parent = get_post($_POST['attachment_id']);
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$parent_url = $parent->guid;
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$url = str_replace(basename($parent_url), basename($header), $parent_url);
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set_theme_mod('header_image', $url);
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// cleanup
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$file = get_attached_file( $_POST['attachment_id'] );
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$medium = str_replace(basename($file), 'midsize-'.basename($file), $file);
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@unlink( apply_filters( 'wp_delete_file', $medium ) );
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wp_delete_attachment( $_POST['attachment_id'] );
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return $this->finished();
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}
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function finished() {
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?>
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<div class="wrap">
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<h2><?php _e('Header complete!'); ?></h2>
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<p><?php _e('Visit your site and you should see the new header now.'); ?></p>
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</div>
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<?php
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}
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function admin_page() {
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if ( !isset( $_GET['step'] ) )
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$step = 1;
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else
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$step = (int) $_GET['step'];
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if ( 1 == $step ) {
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$this->step_1();
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} elseif ( 2 == $step ) {
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$this->step_2();
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} elseif ( 3 == $step ) {
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$this->step_3();
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}
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}
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}
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?>
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