10h30/display-featured-image-genesis
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default image validation

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Robin Cornett
2014-10-25 17:41:32 -04:00
parent 0fadb2e8dc
commit 94809ee9aa
4 changed files with 83 additions and 10 deletions
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README.md
+3
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@@ -101,6 +101,9 @@ Additionally/alternatively, you could set a max-height for the backstretch image
## Changelog
###1.2.2
* default image validation
###1.2.1
* moved default image from Customizer to Media Settings page
* new filter for forcing default image for any post type
display-featured-image-genesis.php
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@@ -12,7 +12,7 @@
* Plugin Name: Display Featured Image for Genesis
* Plugin URI: http://github.com/robincornett/display-featured-image-genesis/
* Description: This plugin requires the Genesis Framework. It varies the display of the post or page featured image, depending on size.
* Version: 1.2.1
* Version: 1.2.2
* Author: Robin Cornett
* Author URI: http://robincornett.com
* License: GPL-2.0+
includes/class-displayfeaturedimagegenesis-settings.php
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@@ -17,7 +17,7 @@ class Display_Featured_Image_Genesis_Settings {
*/
public function register_settings() {
register_setting( 'media', 'displayfeaturedimage_less_header', 'absint' );
register_setting( 'media', 'displayfeaturedimage_default' );
register_setting( 'media', 'displayfeaturedimage_default', array( $this, 'validate_image' ) );
add_settings_section(
@@ -82,19 +82,81 @@ class Display_Featured_Image_Genesis_Settings {
public function set_default_image() {
$item = Display_Featured_Image_Genesis_Common::get_image_variables();
if ( $item->fallback && $item->original[1] >= $item->large ) {
if ( !empty( $item->fallback ) ) {
echo '<div id="upload_logo_preview">';
echo '<img src="' . $item->original[0] . '" style="max-width:400px" />';
echo '<img src="' . $item->fallback . '" style="max-width:400px" />';
echo '</div>';
}
elseif ( $item->fallback && $item->original[1] <= $item->large ) {
echo '<div class="error"><p>' . __( 'Sorry, your image is too small to serve as the default featured image.', 'display-featured-image-genesis' ) . '</p></div>';
}
echo '<input type="text" id="default_image_url" name="displayfeaturedimage_default" value="' . $item->fallback . '" />';
echo '<input id="upload_default_image" type="button" class="upload_default_image button" value="' . __( 'Select Default Image', 'display-featured-image-genesis' ) . '" />';
echo '<p class="description">' . __( 'If you would like to use a default image for the featured image, upload it here. Must be a backstretch sized image.', 'display-featured-image-genesis' ) . '</p>';
}
/**
* Returns previous value for image if not correct file type/size
* @param string $new_value New value
* @return string New or previous value, depending on allowed image size.
* @since 1.2.2
*/
function validate_image( $new_value ) {
// not using get_image_variables since we need to check before commit to option
$new_value = esc_url( $new_value );
$valid = $this->is_valid_img_ext( $new_value );
$large = get_option( 'large_size_w' );
$id = Display_Featured_Image_Genesis_Common::get_image_id( $new_value );
$file = wp_get_attachment_image_src( $id, 'original' );
// ok for field to be empty
if ( empty( $new_value ) ) {
return;
}
// check if file type is legit. if not, wp_die()
elseif ( !$valid ) {
wp_die( sprintf(
__( 'Sorry, that is an invalid file type. <a href="%1$s">Return to the Media Settings page and try again.</a>', 'display-featured-image-genesis' ),
esc_url( admin_url( 'options-media.php' ) )
) );
return get_option( 'displayfeaturedimage_default', '' );
}
// if file is an image, but is too small, throw it back
elseif ( $file[1] <= $large ) {
wp_die( sprintf(
__( 'Sorry, that image is too small to use as your Default Featured Image. Your image needs to be at least %1$s pixels wide. <a href="%2$s">Return to the Media Settings page and try again.</a>', 'display-featured-image-genesis' ),
$large+1,
esc_url( admin_url( 'options-media.php' ) )
) );
return get_option( 'displayfeaturedimage_default', '' );
}
return $new_value;
}
/**
* returns file extension
* @since 1.2.2
*/
private function get_file_ext( $file ) {
$parsed = @parse_url( $file, PHP_URL_PATH );
return $parsed ? strtolower( pathinfo( $parsed, PATHINFO_EXTENSION ) ) : false;
}
/**
* check if file type is image
* @return file check file extension against list
* @since 1.2.2
*/
private function is_valid_img_ext( $file ) {
$file_ext = $this->get_file_ext( $file );
$this->valid = empty( $this->valid )
? (array) apply_filters( 'displayfeaturedimage_valid_img_types', array( 'jpg', 'jpeg', 'png', 'gif' ) )
: $this->valid;
return ( $file_ext && in_array( $file_ext, $this->valid ) );
}
/**
* Help tab for media screen
* @return help tab with verbose information for plugin
@@ -103,13 +165,18 @@ class Display_Featured_Image_Genesis_Settings {
*/
public function help() {
$screen = get_current_screen();
$large = get_option( 'large_size_w' );
$displayfeaturedimage_help =
'<h3>' . __( 'Reducto!', 'display-featured-image-genesis' ) . '</h3>' .
'<p>' . __( 'Depending on how your header/nav are set up, or if you just do not want your backstretch image to extend to the bottom of the user screen, you may want to change this number. It will raise the bottom line of the backstretch image, making it shorter.', 'display-featured-image-genesis' ) . '</p>' .
'<h3>' . __( 'Set a Default Featured Image', 'display-featured-image-genesis' ) . '</h3>' .
'<p>' . __( 'You may set a large image to be used sitewide if a featured image is not available. This image will show on posts, pages, and archives. It must be larger than your site&#39;s Large Image setting, or else it will not display. This is for a backstretch image only.', 'display-featured-image-genesis' ) . '</p>';
'<p>' . __( 'You may set a large image to be used sitewide if a featured image is not available. This image will show on posts, pages, and archives.', 'display-featured-image-genesis' ) . '</p>' .
'<p>' . sprintf(
__( 'Supported file types are: jpg, jpeg, png, and gif. The image must be at least %1$s pixels wide.', 'display-featured-image-genesis' ),
$large+1
) . '</p>';
$screen->add_help_tab( array(
'id' => 'displayfeaturedimage-help',
readme.txt
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@@ -5,7 +5,7 @@ Donate link: https://robincornett.com/donate/
Tags: backstretch, featured image, genesis, studiopress
Requires at least: 3.8
Tested up to: 4.0
Stable tag: 1.2.0
Stable tag: 1.2.2
License: GPL-2.0+
License URI: http://www.gnu.org/licenses/gpl-2.0.txt
@@ -76,11 +76,14 @@ Additionally/alternatively, you could set a max-height for the backstretch image
2. Use the WordPress Customizer to set a Default Featured Image.
== Upgrade Notice ==
= 1.2.1 =
= 1.2.2 =
New feature: Set a Default Featured Image
== Changelog ==
= 1.2.2 =
* default image validation
= 1.2.1 =
* moved default image from Customizer to Media Settings page
* new filter for forcing default image for any post type