X-Git-Url: https://git.sommitrealweird.co.uk/bpgallery.git/blobdiff_plain/415e75cecaa7cc34cb133085d07021e93ee345d5..6fc8ac07fccba0afb059de263db70787f2f6042c:/bpgallery.sh

diff --git a/bpgallery.sh b/bpgallery.sh
index ba71cc7..678f896 100755
--- a/bpgallery.sh
+++ b/bpgallery.sh
@@ -19,7 +19,7 @@
 
 set -f
 
-VERSION="1.0.0+arch"
+VERSION="1.1.1"
 
 function bpgallery_default_head() {
 cat <<END
@@ -46,8 +46,13 @@ END
 declare -rf bpgallery_default_description
 
 function bpgallery_default_thumbsline() {
+if [[ -z $caption ]]; then
+	caption_alt=Unknown
+else
+	caption_alt=$caption
+fi
 cat << END
-<div class="thumbnail"><a href="$filename"><img src="icons/$filename" /></a><div class="caption">$caption</div></div>
+<div class="thumbnail"><a href="$link"><img src="icons/$filename" alt="$caption_alt" /></a><div class="caption">$caption</div></div>
 END
 }
 
@@ -65,18 +70,18 @@ declare -rf bpgallery_default_tail
 function bpgallery_default_stylesheet() {
 cat <<END
 body {
-        background: white;
-        color: black;
-        font-family: sans-serif;
-        font-size: 10pt;
+	background: white;
+	color: black;
+	font-family: sans-serif;
+	font-size: 10pt;
 }
 
 div.thumbnail {
-        float: left;
-        padding: 20px;
-        border: 0px;
-        width: ${WIDTH}px;
-        height: ${MAXHEIGHT}px;
+	float: left;
+	padding: 20px;
+	border: 0px;
+	width: ${WIDTH}px;
+	height: ${MAXHEIGHT}px;
 }
 
 div.caption {
@@ -85,18 +90,74 @@ div.caption {
 	font-weight: bold;
 }
 
+div.navigation {
+	margin: 0;
+}
+
+div.navigation ul {
+	display: inline;
+	margin: 0;
+	padding: 0;
+	text-align: center;
+}
+
+div.navigation ul li {
+	display: inline;
+	margin: 2em;
+}
+
 a {
-        border: 0px;
+	border: 0px;
 }
 
 img {
-        border: 0px;
+	border: 0px;
 }
 END
 }
 
 declare -rf bpgallery_default_stylesheet
 
+function bpgallery_default_page() {
+	$BPGALLERY_HEAD_FUNCTION
+
+	linkstart=""
+	linkend=""
+
+	if [[ ! -z $linklocation ]]; then
+		linkstart="<a href='$linklocation'>"
+		linkend="</a>"
+	fi
+	
+	cat <<END
+<h1>${caption}</h1>
+<div class="navigation">
+	<ul>
+		<li><a href='${INDEXDOCUMENT}'>Thumbnails</a></li>
+END
+	if [[ ! -z $previouspage ]]; then
+		$ECHOCOMMAND "<li><a href='${previouspage}'>Previous</a></li>"
+	else
+		$ECHOCOMMAND "<li>Previous</li>"
+	fi
+
+	if [[ ! -z $nextpage ]]; then
+		$ECHOCOMMAND "<li><a href='${nextpage}'>Next</a></li>"
+	else
+		$ECHOCOMMAND "<li>Next</li>"
+	fi
+cat <<END
+	</ul>
+</div>
+<div class="mainimage">
+	${linkstart}<img src="${filename}" alt="${caption}" />${linkend}
+</div>
+END
+	$BPGALLERY_TAIL_FUNCTION
+}
+
+declare -rf bpgallery_default_page
+
 function bpgallery_escape_url() {
 	temp=$1
 	temp=${temp//\%/%25}
@@ -112,7 +173,7 @@ function bpgallery_escape_url() {
 	temp=${temp//\?/%3F}
 	temp=${temp//@/%40}
 	temp=${temp//\"/%22}
-	echo $temp
+	$ECHOCOMMAND $temp
 }
 
 declare -rf bpgallery_escape_url
@@ -137,11 +198,18 @@ if [[ -e $HOME/.bpgallery.rc ]]; then
 	. $HOME/.bpgallery.rc 2>/dev/null
 fi
 
+if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
+	. $1/.bpgallery.rc 2>/dev/null
+fi
+
 if [[ -z ${BPGALLERY_THEME} ]]; then
 	BPGALLERY_THEME=default
 fi
 
-if [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
+if [[ ! -z ${BPGALLERY_THEME_DIR} ]] && \
+	[[ -e ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} ]]; then
+	. ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} 2>/dev/null
+elif [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 	. $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 	. /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
@@ -205,6 +273,32 @@ if [[ -z $CAPTIONHEIGHT ]]; then
 	CAPTIONHEIGHT=75
 fi
 
+if [[ -z $OUTPUTHTML ]]; then
+	OUTPUTHTML=0
+fi
+
+if [[ -z $GENERATEPAGESFORFULLSIZE ]]; then
+	GENERATEPAGESFORFULLSIZE=0
+fi
+
+if [[ -z $GENERATEPAGESFORMEDIUMSIZE ]]; then
+	GENERATEPAGESFORMEDIUMSIZE=1
+fi
+
+if [[ -z $MEDIUMWIDTH ]]; then
+	MEDIUMWIDTH=400
+fi
+
+if [[ -z $INDEXDOCUMENT ]]; then
+	INDEXDOCUMENT=index.html
+fi
+
+if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
+	BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
+else
+	BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
+fi
+
 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 	BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 else
@@ -253,7 +347,39 @@ Usage:
         displays this help screen
     --version
         displays the version and exits
-	
+
+This can also takes some environment variables, these will use defaults if not
+set.
+
+        TITLE
+            the title of the gallery
+
+        WIDTH
+            the width to make the icons
+
+        MEDIUMWIDTH
+            set the width of images in the medium size pages
+
+        BPGALLERY_THEME
+            set the theme to use (described below)
+
+        BPGALLERY_THEME_DIR
+            set an extra location to look for themes
+
+        OUTPUTHTML
+            sets the script output to be wrapped in a <pre> block
+
+        GENERATEPAGESFORMEDIUMSIZE
+            generate medium sized images and pages
+
+        GENERATEPAGESFORFULLSIZE
+            decide wether to generate pages for the full size images or not
+
+        INDEXDOCUMENT
+            name of the index page (e.g. index.html)
+
+Example:
+	TITLE="My Funky Gallery" WIDTH=200 INDEXDOCUMENT="welcome.html" GENERATEPAGESFORFULLSIZE=1 GENERATEPAGESFORMEDIUMSIZE=1 MEDIUMWIDTH=400 $0 /path/to/image/folder
 END
 }
 
@@ -263,8 +389,173 @@ Version: $VERSION
 END
 }
 
+function generate_resized_images() {
+	$ECHOCOMMAND "Generating $2"
+	currentimage=0
+	totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
+	imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "$2/$filename" ] || [ "$filename" -nt "$2/$filename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
+	
+	if [ $totalimages -eq 0 ]; then
+		# might as well exit at this point - there are no pictures
+		$ECHOCOMMAND "No images for the gallery - exiting."
+		exit 64
+	else
+		# check if the directory exists and create it other wise
+		if [ ! -d $2 ]; then
+			mkdir $2
+		fi
+
+		if [ ! -w $2 ]; then
+			$ECHOCOMMAND "Can't write to $2 directory, exiting"
+			exit 16
+		fi
+	fi
+
+	if [ $totalimages -eq $imagestoupdate ]; then
+		$ECHOCOMMAND "Regenerating all $2"
+	elif [ $imagestoupdate -eq 0 ]; then
+		$ECHOCOMMAND "No Updated $2, not regenerating"
+		return
+	else
+		$ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
+	fi
+	
+	$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "$2/$tempfilename" ] || [ "$tempfilename" -nt "$2/$tempfilename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
+	$ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
+	$ECHOCOMMAND "Completed generating $2 for $totalimages images"
+}
+
+function generate_thumbs() {
+	generate_resized_images $WIDTH icons
+}
+
+function generate_medium() {
+	generate_resized_images $MEDIUMWIDTH medium
+}
+
+function generate_pages() {
+	$ECHOCOMMAND "Generating Pages"
+	previouspage=""
+	currentpage=""
+	nextpage=""
+	previousimage=""
+	currentimage=""
+	nextimage=""
+	extra=""
+	extradir=""
+	addlinks=0
+	
+	if [ ! -z $1 ]; then
+		extra=$1
+	fi
+
+	if [ ! -z $2 ]; then
+		extradir=$2/
+		addlinks=1
+	fi
+
+	if [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
+		addlinks=2
+	fi
+	
+	$FINDCOMMAND . $FINDIMAGESOPTIONS | \
+	$XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
+	$SORTCOMMAND -g | \
+	while read imagefilename; do
+		previousimage=$currentimage
+		currentimage=$nextimage
+		nextimage=${imagefilename#./}
+		addlink=""
+		
+		if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
+			if [[ $addlinks == 1 ]]; then
+				addlink=${currentimage}.html
+			else
+				addlink=${currentimage}${extra}.html
+			fi
+		else
+			addlink=${currentimage}
+		fi
+
+		previouspage=$currentpage
+		currentpage=$nextpage
+		if [[ $addlinks == 1 ]]; then
+			nextpage=${nextimage}${extra}.html
+		else
+			nextpage=${nextimage}.html
+		fi
+		filename=${extradir}${currentimage}
+		if [ "x$currentpage" != "x" ]; then
+			generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
+		fi
+		$ECHOCOMMAND $nextimage
+	done | tail -n 2 | (
+		read previouspage
+		read currentpage
+		addlink=""
+
+		if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
+			if [[ $addlinks == 1 ]]; then
+				addlink=${currentpage}.html
+			else
+				addlink=${currentpage}${extra}.html
+			fi
+		else
+			addlink=${currentpage}
+		fi
+
+		filename=${extradir}${currentpage}
+		if [[ $addlinks == 1 ]]; then
+			currentpage=${currentpage}${extra}.html
+			previouspage=${previouspage}${extra}.html
+		else
+			currentpage=${currentpage}.html
+			previouspage=${previouspage}.html
+		fi
+		nextpage=""
+		generate_general_page "$previouspage" "$currentpage" "" $addlink
+	)
+}
+
+function generate_medium_pages() {
+	generate_pages __medium medium
+}
+
+function generate_general_page() {
+
+	if [[ -z $1 ]]; then
+		previouspage=""
+	fi
+
+	if [[ -z $2 ]]; then
+		currentpage=""
+		return
+	fi
+
+	if [[ -z $3 ]]; then
+		nextpage=""
+	fi
+
+	if [[ ! -z $4 ]]; then
+		linklocation=$4
+	fi
+
+	if [ -r captions.txt ]; then
+		imagefilename=${filename##*/}
+		caption=$($GREPCOMMAND -E "^${imagefilename}	" captions.txt); caption=${caption#*	}
+	else
+		caption=""
+	fi
+	
+	$BPGALLERY_PAGE_FUNCTION > "$currentpage"
+}
+
+if [[ $OUTPUTHTML != 0 ]]; then
+	$ECHOCOMMAND "<pre>"
+fi
+
 if [[ -z $1 ]]; then
-	echo "No path given"
+	$ECHOCOMMAND "No path given"
 	usage
 	exit 1
 fi
@@ -280,7 +571,7 @@ if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 fi
 
 if [[ ! -d $1 ]]; then
-	echo "$1 is not a directory"
+	$ECHOCOMMAND "$1 is not a directory"
 	usage
 	exit 2
 fi
@@ -288,31 +579,38 @@ fi
 cd "$1"
 
 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
-	echo "$1 does not contain any images. Quitting."
+	$ECHOCOMMAND "$1 does not contain any images. Quitting."
 	exit 4
 fi
 
-if [ ! -d icons ]; then
-	mkdir icons
+if [ ! -w . ]; then
+	$ECHOCOMMAND "Can't write to images directory, exiting"
+	exit 8
+fi
 
-	totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace echo {} | $WCCOMMAND);
-	currentimage=0
-	
-	$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$totalimages images; currentimage=$((currentimage+1)); done
-	
-	echo done: $totalimages/$totalimages images
-else
-	echo "$1 already contains an icons folder, updating."
+if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
+	$ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
+	exit 8
+fi
+
+if [ -e style.css ] && [ ! -w style.css ]; then
+	$ECHOCOMMAND "Can't write style.css, exiting"
+	exit 8
+fi
 
-	imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "icons/$filename" ] || [ "$filename" -nt "icons/$filename" ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
+generate_thumbs
 
-	echo "images to update: $imagestoupdate"
-	
-	
-	currentimage=0
+if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
+	generate_medium
+	generate_medium_pages
+fi
 
-	$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "icons/$tempfilename" ] || [ "$tempfilename" -nt "icons/$tempfilename" ] ; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; echo $throwout; currentimage=$((currentimage+1)); done
-	echo done: $imagestoupdate/$imagestoupdate images
+if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
+	if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
+		generate_pages __medium
+	else
+		generate_pages
+	fi
 fi
 
 if [ -r description.txt ] ; then
@@ -322,13 +620,24 @@ else
 fi
 
 
-$BPGALLERY_HEAD_FUNCTION > index.html
-$BPGALLERY_DESCRIPTION_FUNCTION >> index.html
+$ECHOCOMMAND "Starting to generate page"
 
-$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} |$SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename	" captions.txt); caption=${caption#*	}; else caption=""; fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> index.html
+$BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
+$BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 
-$BPGALLERY_TAIL_FUNCTION >> index.html
+$ECHOCOMMAND "Adding Captions"
 
+extra=""
+if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
+	extra=__medium
+fi
+
+$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename	" captions.txt); caption=${caption#*	}; else caption=""; fi; if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then link=$(bpgallery_escape_url "${filename}${extra}.html"); elif [ $GENERATEPAGESFORFULLSIZE != 0 ]; then link=$(bpgallery_escape_url "${filename}.html"); else link=$(bpgallery_escape_url "$filename"); fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> ${INDEXDOCUMENT}
+
+$BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
+
+$ECHOCOMMAND "Finished generating the page"
+$ECHOCOMMAND "Generating stylesheet"
 cd icons
 
 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
@@ -341,3 +650,8 @@ MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 
 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 
+$ECHOCOMMAND "All done"
+
+if [[ $OUTPUTHTML != 0 ]]; then
+	$ECHOCOMMAND "</pre>"
+fi