Created
June 9, 2012 16:27
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Save JonathanMH/2901669 to your computer and use it in GitHub Desktop.
Adding placeholder to contact form 7, patch by pryley: http://wordpress.org/support/topic/plugin-contact-form-7-placeholder-for-html5
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| <?php | |
| /** | |
| ** A base module for [text], [text*], [email], and [email*] | |
| **/ | |
| /* Shortcode handler */ | |
| wpcf7_add_shortcode( 'text', 'wpcf7_text_shortcode_handler', true ); | |
| wpcf7_add_shortcode( 'text*', 'wpcf7_text_shortcode_handler', true ); | |
| wpcf7_add_shortcode( 'email', 'wpcf7_text_shortcode_handler', true ); | |
| wpcf7_add_shortcode( 'email*', 'wpcf7_text_shortcode_handler', true ); | |
| function wpcf7_text_shortcode_handler( $tag ) { | |
| if ( ! is_array( $tag ) ) | |
| return ''; | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| $options = (array) $tag['options']; | |
| $values = (array) $tag['values']; | |
| if ( empty( $name ) ) | |
| return ''; | |
| $validation_error = wpcf7_get_validation_error( $name ); | |
| $atts = $id_att = $size_att = $maxlength_att = ''; | |
| $tabindex_att = $title_att = ''; | |
| $class_att = wpcf7_form_controls_class( $type, 'wpcf7-text' ); | |
| if ( 'email' == $type || 'email*' == $type ) | |
| $class_att .= ' wpcf7-validates-as-email'; | |
| if ( $validation_error ) | |
| $class_att .= ' wpcf7-not-valid'; | |
| foreach ( $options as $option ) { | |
| if ( preg_match( '%^id:([-0-9a-zA-Z_]+)$%', $option, $matches ) ) { | |
| $id_att = $matches[1]; | |
| } elseif ( preg_match( '%^class:([-0-9a-zA-Z_]+)$%', $option, $matches ) ) { | |
| $class_att .= ' ' . $matches[1]; | |
| } elseif ( preg_match( '%^([0-9]*)[/x]([0-9]*)$%', $option, $matches ) ) { | |
| $size_att = (int) $matches[1]; | |
| $maxlength_att = (int) $matches[2]; | |
| } elseif ( preg_match( '%^tabindex:(\d+)$%', $option, $matches ) ) { | |
| $tabindex_att = (int) $matches[1]; | |
| } | |
| } | |
| $value = (string) reset( $values ); | |
| $ph_att = ''; | |
| if ( $value && preg_grep( '%^placeholder$%', $options ) ) { | |
| $ph_att .= sprintf( ' %s', $value ); | |
| $value = ''; | |
| } | |
| if ( $ph_att ) | |
| $atts .= sprintf( ' placeholder="%s"', trim( esc_attr( $ph_att ) ) ); | |
| if ( wpcf7_script_is() && preg_grep( '%^watermark$%', $options ) ) { | |
| $class_att .= ' wpcf7-use-title-as-watermark'; | |
| $title_att .= sprintf( ' %s', $value ); | |
| $value = ''; | |
| } elseif ( empty( $value ) && is_user_logged_in() ) { | |
| $user = wp_get_current_user(); | |
| $user_options = array( | |
| 'default:user_login' => 'user_login', | |
| 'default:user_email' => 'user_email', | |
| 'default:user_url' => 'user_url', | |
| 'default:user_first_name' => 'first_name', | |
| 'default:user_last_name' => 'last_name', | |
| 'default:user_nickname' => 'nickname', | |
| 'default:user_display_name' => 'display_name' ); | |
| foreach ( $user_options as $option => $prop ) { | |
| if ( preg_grep( '%^' . $option . '$%', $options ) ) { | |
| $value = $user->{$prop}; | |
| break; | |
| } | |
| } | |
| } | |
| if ( wpcf7_is_posted() && isset( $_POST[$name] ) ) | |
| $value = stripslashes_deep( $_POST[$name] ); | |
| if ( $id_att ) | |
| $atts .= ' id="' . trim( $id_att ) . '"'; | |
| if ( $class_att ) | |
| $atts .= ' class="' . trim( $class_att ) . '"'; | |
| if ( $size_att ) | |
| $atts .= ' size="' . $size_att . '"'; | |
| else | |
| $atts .= ' size="40"'; // default size | |
| if ( $maxlength_att ) | |
| $atts .= ' maxlength="' . $maxlength_att . '"'; | |
| if ( '' !== $tabindex_att ) | |
| $atts .= sprintf( ' tabindex="%d"', $tabindex_att ); | |
| if ( $title_att ) | |
| $atts .= sprintf( ' title="%s"', trim( esc_attr( $title_att ) ) ); | |
| $html = '<input type="text" name="' . $name . '" value="' . esc_attr( $value ) . '"' . $atts . ' />'; | |
| $html = '<span class="wpcf7-form-control-wrap ' . $name . '">' . $html . $validation_error . '</span>'; | |
| return $html; | |
| } | |
| /* Validation filter */ | |
| add_filter( 'wpcf7_validate_text', 'wpcf7_text_validation_filter', 10, 2 ); | |
| add_filter( 'wpcf7_validate_text*', 'wpcf7_text_validation_filter', 10, 2 ); | |
| add_filter( 'wpcf7_validate_email', 'wpcf7_text_validation_filter', 10, 2 ); | |
| add_filter( 'wpcf7_validate_email*', 'wpcf7_text_validation_filter', 10, 2 ); | |
| function wpcf7_text_validation_filter( $result, $tag ) { | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| $_POST[$name] = trim( strtr( (string) $_POST[$name], "\n", " " ) ); | |
| if ( 'text*' == $type ) { | |
| if ( '' == $_POST[$name] ) { | |
| $result['valid'] = false; | |
| $result['reason'][$name] = wpcf7_get_message( 'invalid_required' ); | |
| } | |
| } | |
| if ( 'email' == $type || 'email*' == $type ) { | |
| if ( 'email*' == $type && '' == $_POST[$name] ) { | |
| $result['valid'] = false; | |
| $result['reason'][$name] = wpcf7_get_message( 'invalid_required' ); | |
| } elseif ( '' != $_POST[$name] && ! is_email( $_POST[$name] ) ) { | |
| $result['valid'] = false; | |
| $result['reason'][$name] = wpcf7_get_message( 'invalid_email' ); | |
| } | |
| } | |
| return $result; | |
| } | |
| /* Tag generator */ | |
| add_action( 'admin_init', 'wpcf7_add_tag_generator_text_and_email', 15 ); | |
| function wpcf7_add_tag_generator_text_and_email() { | |
| wpcf7_add_tag_generator( 'text', __( 'Text field', 'wpcf7' ), | |
| 'wpcf7-tg-pane-text', 'wpcf7_tg_pane_text' ); | |
| wpcf7_add_tag_generator( 'email', __( 'Email field', 'wpcf7' ), | |
| 'wpcf7-tg-pane-email', 'wpcf7_tg_pane_email' ); | |
| } | |
| function wpcf7_tg_pane_text( &$contact_form ) { | |
| wpcf7_tg_pane_text_and_email( 'text' ); | |
| } | |
| function wpcf7_tg_pane_email( &$contact_form ) { | |
| wpcf7_tg_pane_text_and_email( 'email' ); | |
| } | |
| function wpcf7_tg_pane_text_and_email( $type = 'text' ) { | |
| if ( 'email' != $type ) | |
| $type = 'text'; | |
| ?> | |
| <div id="wpcf7-tg-pane-<?php echo $type; ?>" class="hidden"> | |
| <form action=""> | |
| <table> | |
| <tr><td><input type="checkbox" name="required" /> <?php echo esc_html( __( 'Required field?', 'wpcf7' ) ); ?></td></tr> | |
| <tr><td><?php echo esc_html( __( 'Name', 'wpcf7' ) ); ?><br /><input type="text" name="name" class="tg-name oneline" /></td><td></td></tr> | |
| </table> | |
| <table> | |
| <tr> | |
| <td><code>id</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="id" class="idvalue oneline option" /></td> | |
| <td><code>class</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="class" class="classvalue oneline option" /></td> | |
| </tr> | |
| <tr> | |
| <td><code>size</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="size" class="numeric oneline option" /></td> | |
| <td><code>maxlength</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="maxlength" class="numeric oneline option" /></td> | |
| </tr> | |
| <tr> | |
| <td colspan="2"><?php echo esc_html( __( 'Akismet', 'wpcf7' ) ); ?> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <?php if ( 'text' == $type ) : ?> | |
| <input type="checkbox" name="akismet:author" class="exclusive option" /> <?php echo esc_html( __( "This field requires author's name", 'wpcf7' ) ); ?><br /> | |
| <input type="checkbox" name="akismet:author_url" class="exclusive option" /> <?php echo esc_html( __( "This field requires author's URL", 'wpcf7' ) ); ?> | |
| <?php else : ?> | |
| <input type="checkbox" name="akismet:author_email" class="option" /> <?php echo esc_html( __( "This field requires author's email address", 'wpcf7' ) ); ?> | |
| <?php endif; ?> | |
| </td> | |
| </tr> | |
| <tr> | |
| <td><?php echo esc_html( __( 'Default value', 'wpcf7' ) ); ?> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /><input type="text" name="values" class="oneline" /></td> | |
| <td> | |
| <br /><input type="checkbox" name="watermark" class="option" /> <?php echo esc_html( __( 'Use this text as watermark?', 'wpcf7' ) ); ?> | |
| </td> | |
| </tr> | |
| </table> | |
| <div class="tg-tag"><?php echo esc_html( __( "Copy this code and paste it into the form left.", 'wpcf7' ) ); ?><br /><input type="text" name="<?php echo $type; ?>" class="tag" readonly="readonly" onfocus="this.select()" /></div> | |
| <div class="tg-mail-tag"><?php echo esc_html( __( "And, put this code into the Mail fields below.", 'wpcf7' ) ); ?><br /><span class="arrow">⬇</span> <input type="text" class="mail-tag" readonly="readonly" onfocus="this.select()" /></div> | |
| </form> | |
| </div> | |
| <?php | |
| } | |
| ?> |
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| <?php | |
| /** | |
| ** A base module for [textarea] and [textarea*] | |
| **/ | |
| /* Shortcode handler */ | |
| wpcf7_add_shortcode( 'textarea', 'wpcf7_textarea_shortcode_handler', true ); | |
| wpcf7_add_shortcode( 'textarea*', 'wpcf7_textarea_shortcode_handler', true ); | |
| function wpcf7_textarea_shortcode_handler( $tag ) { | |
| if ( ! is_array( $tag ) ) | |
| return ''; | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| $options = (array) $tag['options']; | |
| $values = (array) $tag['values']; | |
| $content = $tag['content']; | |
| if ( empty( $name ) ) | |
| return ''; | |
| $validation_error = wpcf7_get_validation_error( $name ); | |
| $atts = ''; | |
| $id_att = ''; | |
| $class_att = ''; | |
| $cols_att = ''; | |
| $rows_att = ''; | |
| $tabindex_att = ''; | |
| $title_att = ''; | |
| $class_att = wpcf7_form_controls_class( $type ); | |
| if ( $validation_error ) | |
| $class_att .= ' wpcf7-not-valid'; | |
| foreach ( $options as $option ) { | |
| if ( preg_match( '%^id:([-0-9a-zA-Z_]+)$%', $option, $matches ) ) { | |
| $id_att = $matches[1]; | |
| } elseif ( preg_match( '%^class:([-0-9a-zA-Z_]+)$%', $option, $matches ) ) { | |
| $class_att .= ' ' . $matches[1]; | |
| } elseif ( preg_match( '%^([0-9]*)[x/]([0-9]*)$%', $option, $matches ) ) { | |
| $cols_att = (int) $matches[1]; | |
| $rows_att = (int) $matches[2]; | |
| } elseif ( preg_match( '%^tabindex:(\d+)$%', $option, $matches ) ) { | |
| $tabindex_att = (int) $matches[1]; | |
| } | |
| } | |
| $value = (string) reset( $values ); | |
| if ( ! empty( $content ) ) | |
| $value = $content; | |
| $ph_att = ''; | |
| if ( $value && preg_grep( '%^placeholder$%', $options ) ) { | |
| $ph_att .= sprintf( ' %s', $value ); | |
| $value = ''; | |
| } | |
| if ( $ph_att ) | |
| $atts .= sprintf( ' placeholder="%s"', trim( esc_attr( $ph_att ) ) ); | |
| if ( wpcf7_script_is() && preg_grep( '%^watermark$%', $options ) ) { | |
| $class_att .= ' wpcf7-use-title-as-watermark'; | |
| $title_att .= sprintf( ' %s', $value ); | |
| $value = ''; | |
| } | |
| if ( wpcf7_is_posted() && isset( $_POST[$name] ) ) | |
| $value = stripslashes_deep( $_POST[$name] ); | |
| if ( $id_att ) | |
| $atts .= ' id="' . trim( $id_att ) . '"'; | |
| if ( $class_att ) | |
| $atts .= ' class="' . trim( $class_att ) . '"'; | |
| if ( $cols_att ) | |
| $atts .= ' cols="' . $cols_att . '"'; | |
| else | |
| $atts .= ' cols="40"'; // default size | |
| if ( $rows_att ) | |
| $atts .= ' rows="' . $rows_att . '"'; | |
| else | |
| $atts .= ' rows="10"'; // default size | |
| if ( '' !== $tabindex_att ) | |
| $atts .= sprintf( ' tabindex="%d"', $tabindex_att ); | |
| if ( $title_att ) | |
| $atts .= sprintf( ' title="%s"', trim( esc_attr( $title_att ) ) ); | |
| $html = '<textarea name="' . $name . '"' . $atts . '>' . esc_textarea( $value ) . '</textarea>'; | |
| $html = '<span class="wpcf7-form-control-wrap ' . $name . '">' . $html . $validation_error . '</span>'; | |
| return $html; | |
| } | |
| /* Validation filter */ | |
| add_filter( 'wpcf7_validate_textarea', 'wpcf7_textarea_validation_filter', 10, 2 ); | |
| add_filter( 'wpcf7_validate_textarea*', 'wpcf7_textarea_validation_filter', 10, 2 ); | |
| function wpcf7_textarea_validation_filter( $result, $tag ) { | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| $_POST[$name] = (string) $_POST[$name]; | |
| if ( 'textarea*' == $type ) { | |
| if ( '' == $_POST[$name] ) { | |
| $result['valid'] = false; | |
| $result['reason'][$name] = wpcf7_get_message( 'invalid_required' ); | |
| } | |
| } | |
| return $result; | |
| } | |
| /* Tag generator */ | |
| add_action( 'admin_init', 'wpcf7_add_tag_generator_textarea', 20 ); | |
| function wpcf7_add_tag_generator_textarea() { | |
| wpcf7_add_tag_generator( 'textarea', __( 'Text area', 'wpcf7' ), | |
| 'wpcf7-tg-pane-textarea', 'wpcf7_tg_pane_textarea' ); | |
| } | |
| function wpcf7_tg_pane_textarea( &$contact_form ) { | |
| ?> | |
| <div id="wpcf7-tg-pane-textarea" class="hidden"> | |
| <form action=""> | |
| <table> | |
| <tr><td><input type="checkbox" name="required" /> <?php echo esc_html( __( 'Required field?', 'wpcf7' ) ); ?></td></tr> | |
| <tr><td><?php echo esc_html( __( 'Name', 'wpcf7' ) ); ?><br /><input type="text" name="name" class="tg-name oneline" /></td><td></td></tr> | |
| </table> | |
| <table> | |
| <tr> | |
| <td><code>id</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="id" class="idvalue oneline option" /></td> | |
| <td><code>class</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="class" class="classvalue oneline option" /></td> | |
| </tr> | |
| <tr> | |
| <td><code>cols</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="cols" class="numeric oneline option" /></td> | |
| <td><code>rows</code> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /> | |
| <input type="text" name="rows" class="numeric oneline option" /></td> | |
| </tr> | |
| <tr> | |
| <td><?php echo esc_html( __( 'Default value', 'wpcf7' ) ); ?> (<?php echo esc_html( __( 'optional', 'wpcf7' ) ); ?>)<br /><input type="text" name="values" class="oneline" /></td> | |
| <td> | |
| <br /><input type="checkbox" name="watermark" class="option" /> <?php echo esc_html( __( 'Use this text as watermark?', 'wpcf7' ) ); ?> | |
| </td> | |
| </tr> | |
| </table> | |
| <div class="tg-tag"><?php echo esc_html( __( "Copy this code and paste it into the form left.", 'wpcf7' ) ); ?><br /><input type="text" name="textarea" class="tag" readonly="readonly" onfocus="this.select()" /></div> | |
| <div class="tg-mail-tag"><?php echo esc_html( __( "And, put this code into the Mail fields below.", 'wpcf7' ) ); ?><br /><span class="arrow">⬇</span> <input type="text" class="mail-tag" readonly="readonly" onfocus="this.select()" /></div> | |
| </form> | |
| </div> | |
| <?php | |
| } | |
| ?> |
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