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Merge pull request #14 from LarsGit223/master

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Added option for inserting preview images
This commit is contained in:
LarsGit223
2016-05-05 11:58:30 +02:00
parent 98785ba92b 95f84f105c
commit be97c8ef7c
1 changed files with 105 additions and 7 deletions
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112
syntax.php
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@@ -97,6 +97,9 @@ class syntax_plugin_filelist extends DokuWiki_Syntax_Plugin {
'titlefile' => '_title.txt',
'cache' => 0,
'randlinks' => 0,
'preview' => 0,
'previewsize' => 32,
'link' => 2,
);
foreach($flags as $flag) {
list($name, $value) = explode('=', $flag);
@@ -216,7 +219,6 @@ class syntax_plugin_filelist extends DokuWiki_Syntax_Plugin {
$link['pre'] = '';
$link['suf'] = '';
$link['more'] = '';
$link['class'] = 'media';
$urlparams = '';
if ($params['randlinks']) {
$urlparams = '?'.time();
@@ -230,14 +232,28 @@ class syntax_plugin_filelist extends DokuWiki_Syntax_Plugin {
$link['title'] = $renderer->_xmlEntities($link['url']);
if($conf['relnofollow']) $link['more'] .= ' rel="nofollow"';
list($ext,$mime) = mimetype(basename($filepath));
$link['class'] .= ' mediafile mf_'.$ext;
if ($params['link']) {
switch ($params['link']) {
case 1:
// Link without background image
$link['class'] = 'media';
break;
default:
// Link with background image
list($ext,$mime) = mimetype(basename($filepath));
$link['class'] .= ' mediafile mf_'.$ext;
break;
}
//output formatted
if ( !$this->is_odt_export ) {
$renderer->doc .= $renderer->_formatLink($link);
//output formatted
if ( !$this->is_odt_export ) {
$renderer->doc .= $renderer->_formatLink($link);
} else {
$this->render_odt_link ($link, $renderer);
}
} else {
$this->render_odt_link ($link, $renderer);
// No link, just plain text.
$renderer->doc .= $filename;
}
}
@@ -316,6 +332,9 @@ class syntax_plugin_filelist extends DokuWiki_Syntax_Plugin {
if ($this->is_odt_export) {
$renderer->p_open();
}
if ($params['preview']) {
$this->_render_preview_image($file['path'], $basedir, $webdir, $params, $renderer);
}
$this->_render_link($file['name'], $file['path'], $basedir, $webdir, $params, $renderer);
if ($this->is_odt_export) {
$renderer->p_close();
@@ -364,6 +383,21 @@ class syntax_plugin_filelist extends DokuWiki_Syntax_Plugin {
$renderer->tableheader_close();
}
if ($params['preview']) {
$renderer->tableheader_open(1, 'center', 1);
switch ($params['preview']) {
case 1:
$renderer->doc .= $this->getLang('preview').' / '.$this->getLang('filetype');
break;
case 2:
$renderer->doc .= $this->getLang('preview');
break;
case 3:
$renderer->doc .= $this->getLang('filetype');
break;
}
$renderer->tableheader_close();
}
}
foreach ($result['files'] as $file) {
@@ -384,6 +418,13 @@ class syntax_plugin_filelist extends DokuWiki_Syntax_Plugin {
$renderer->tablecell_close();
}
if ($params['preview']) {
$renderer->tablecell_open(1, 'center', 1);
$this->_render_preview_image($file['path'], $result['basedir'], $result['webdir'], $params, $renderer);
$renderer->tablecell_close();
}
$renderer->tablerow_close();
}
$renderer->table_close($pos);
@@ -872,4 +913,61 @@ class syntax_plugin_filelist extends DokuWiki_Syntax_Plugin {
return ltrim($mid, ':'); // strip leading :
}
/**
* The function determines the preview image path for the given file
* depending on the file type and the 'preview' config option value:
* 1: Display file as preview image if itself is an image otherwise
* choose DokuWiki image corresponding to the file extension
* 2: Display file as preview image if itself is an image otherwise
* display no image
* 3. Display DokuWiki image corresponding to the file extension
*
* @param $filename the file to check
* @return string Image to use for preview image
*/
protected function get_preview_image_path ($filename, $params) {
list($ext,$mime) = mimetype(basename($filename));
$imagepath = '';
if (($params['preview'] == 1 || $params['preview'] == 2) &&
strncmp($mime, 'image', strlen('image')) == 0) {
// The file is an image. Return itself as the image path.
$imagepath = $filename;
}
if (($params['preview'] == 1 && empty($imagepath)) ||
$params['preview'] == 3 ) {
// No image. Return DokuWiki image for file extension.
if (!empty($ext)) {
$imagepath = DOKU_INC.'lib/images/fileicons/32x32/'.$ext.'.png';
} else {
$imagepath = DOKU_INC.'lib/images/fileicons/32x32/file.png';
}
}
return $imagepath;
}
/**
* Render a preview item for file $filepath.
*
* @param $filepath the file for which a preview image shall be rendered
* @param $basedir the basedir to use
* @param $webdir the webdir to use
* @param $params the parameters of the filelist call
* @param $renderer the renderer to use
* @return void
*/
protected function _render_preview_image ($filepath, $basedir, $webdir, $params, Doku_Renderer $renderer) {
$imagepath = $this->get_preview_image_path($filepath, $params);
if (!empty($imagepath)) {
if (!$params['direct']) {
$imgLink = ml(':'.$this->_convert_mediapath($imagepath));
} else {
$imgLink = $webdir.substr($imagepath, strlen($basedir));
}
$previewsize = $params['previewsize'];
if ($previewsize == 0) {
$previewsize = 32;
}
$renderer->doc .= '<img style=" max-height: '.$previewsize.'px; max-width: '.$previewsize.'px;" src="'.$imgLink.'">';
}
}
}