From 2fec0aef7e37c6e372939ac44ce8b6bd2f8aa869 Mon Sep 17 00:00:00 2001 From: David Tomaschik Date: Tue, 15 Mar 2011 10:16:32 -0400 Subject: [PATCH] Issue #1093308: Add support for importing presentations in Galleria. --- galleria-container.tpl.php | 2 +- galleria.module | 3 +- galleria.theme.inc | 4 +- presentation_galleria.info | 6 ++ presentation_galleria.module | 170 ++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 180 insertions(+), 5 deletions(-) create mode 100644 presentation_galleria.info create mode 100644 presentation_galleria.module diff --git a/galleria-container.tpl.php b/galleria-container.tpl.php index 5a416ea..5c3243d 100644 --- a/galleria-container.tpl.php +++ b/galleria-container.tpl.php @@ -17,4 +17,4 @@ - \ No newline at end of file + diff --git a/galleria.module b/galleria.module index 7304f43..c4fd885 100644 --- a/galleria.module +++ b/galleria.module @@ -91,7 +91,6 @@ function galleria_field_formatter_settings_summary($field, $instance, $view_mode * Prepares a renderable array of images and adds the neccessary JS and CSS */ function galleria_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) { - $slides = array(); // stores data for all images in $slides @@ -221,4 +220,4 @@ function galleria_theme() { ); return $styles; -} \ No newline at end of file +} diff --git a/galleria.theme.inc b/galleria.theme.inc index 8615bf1..8651367 100644 --- a/galleria.theme.inc +++ b/galleria.theme.inc @@ -93,7 +93,7 @@ function template_preprocess_galleria_insert_image(&$variables) { */ function template_preprocess_galleria_container(&$variables) { // get the path of the public files dir - $basepath = '/' . variable_get('file_public_path', '/sites/default/files') . '/'; + $basepath = variable_get('file_public_path', '/sites/default/files') . '/'; // get the subdir if image files are stored in one $filepath = substr($variables['images'][0]['#item']['uri'], 9); @@ -104,4 +104,4 @@ function template_preprocess_galleria_container(&$variables) { // don't add a 2nd trailing slash if no subdir was configured $path .= (!empty($filepath)) ? $filepath . '/' : ''; $variables['path'] = $path; -} \ No newline at end of file +} diff --git a/presentation_galleria.info b/presentation_galleria.info new file mode 100644 index 0000000..f657f32 --- /dev/null +++ b/presentation_galleria.info @@ -0,0 +1,6 @@ +name = Presentation Galleria +description = Uses the ImageMagick module to convert a PDF presentation and the Galleria module to display it. +core = 7.x + +dependencies[] = imagemagick +dependencies[] = galleria diff --git a/presentation_galleria.module b/presentation_galleria.module new file mode 100644 index 0000000..98f2347 --- /dev/null +++ b/presentation_galleria.module @@ -0,0 +1,170 @@ + array( + 'label' => t('Presentation Galleria'), + 'field types' => array('file'), + 'settings' => array( + 'galleria_zoom_style' => 'presentation_galleria_zoom', + 'galleria_thumb_style' => 'presentation_galleria_thumb', + 'galleria_player_theme' => '' + ), + ), + ); + return $formatters; +} + +/** + * Implementation of hook_field_formatter_settings_form(). + * + * Wraps standard galleria settings. + */ +function presentation_galleria_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) { + return galleria_field_formatter_settings_form($field, $instance, $view_mode, $form, $form_state); +} + +/** + * Implementation of hook_field_formatter_settings_summary(). + * + * Displays the summary of the set options of a Galleria formatted image field + */ +function presentation_galleria_field_formatter_settings_summary($field, $instance, $view_mode) { + return galleria_field_formatter_settings_summary($field, $instance, $view_mode); +} + +/** + * Implementation of hook_field_formatter_view(). + * + * Prepares a renderable array of images and adds the neccessary JS and CSS + */ +function presentation_galleria_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $item, $display) { + + $slides = array(); + + /* Convert and get list */ + $items = _presentation_galleria_convert($item[0]); + + // stores data for all images in $slides + foreach ($items as $delta => $item) { + $slides[$delta] = array( + '#theme' => 'galleria_image_formatter_item', + '#item' => $item, + '#node' => $entity, + '#field' => $field, + '#galleria_zoom_style' => $display['settings']['galleria_zoom_style'], + '#galleria_thumb_style' => $display['settings']['galleria_thumb_style'], + ); + } + + // if there are images init the galleria + if (count($slides) > 0) { + galleria_includes(); + + $element = array( + '#theme' => 'galleria_container', + '#images' => $slides, + ); + + return $element; + } + else { + // no images to show, therefore cancel display + return; + } +} + +/** + * Implementation of hook_image_default_styles(). + * + * Provides default image style presets that can be overridden by site administrators. + */ +function presentation_galleria_image_default_styles() { + $styles = array(); + + // image preset for the big image + $styles['presentation_galleria_zoom'] = array( + 'effects' => array( + array( + 'name' => 'image_scale', + 'data' => array('width' => 640, 'height' => 480, 'upscale' => 1), + 'weight' => 0, + ), + ) + ); + + // image preset for thumbnails + $styles['presentation_galleria_thumb'] = array( + 'effects' => array( + array( + 'name' => 'image_scale', + 'data' => array('width' => 64, 'height' => 48, 'upscale' => 1), + 'weight' => 0, + ), + ) + ); + + return $styles; +} + +/* + * Convert presentation + */ +function _presentation_galleria_convert($source){ + /* Get source path */ + $srcfile = drupal_realpath($source['uri']); + $scheme = file_uri_scheme($source['uri']); + $target = file_uri_target($source['uri']); + $tarinfo = pathinfo($target); + $tardir = $tarinfo['dirname']; /* URI directory */ + + /* Figure out destination */ + $path = pathinfo($srcfile); + $destdir = $path['dirname'].DIRECTORY_SEPARATOR.$path['filename']; + if(!file_exists($destdir)){ + // Does not exist, convert + if(!mkdir($destdir)){ + // Could not make directory + trigger_error("Unable to create directory $destdir.",E_USER_ERROR); + return array(); + } + + /* Make destination path */ + $dest = $destdir.DIRECTORY_SEPARATOR.$path['filename']."-%04d.png"; + + /* Actually convert */ + if(!_presentation_galleria_convert_real($srcfile,$dest)){ + trigger_error("Unable to convert presentation.",E_USER_ERROR); + return array(); + } + } + + /* Get list of files */ + $list = array(); + $files = scandir($destdir); + foreach($files as $file){ + if($file=="." || $file=="..") + continue; + $list[]=array( + 'uri'=>$scheme."://".$tardir."/".$path['filename']."/".$file, + 'filename'=>$file, + 'title'=>$file + ); + } + + return $list; +} + +/* + * Really convert + */ +function _presentation_galleria_convert_real($source,$dest){ + $command = escapeshellarg($source).' '.escapeshellarg($dest); + return _imagemagick_convert_exec($command,$output,$errors); +} -- 1.7.1