ff199a7c63
git-svn-id: file:///home/shish/svn/shimmie2/trunk@803 7f39781d-f577-437e-ae19-be835c7a54ca
43 lines
1 KiB
PHP
43 lines
1 KiB
PHP
<?php
|
|
|
|
class ZoomTheme extends Themelet {
|
|
public function display_zoomer($page, $image, $zoom_by_default) {
|
|
$page->add_block(new Block(null, $this->make_zoomer($image->width, $zoom_by_default)));
|
|
}
|
|
|
|
protected function make_zoomer($image_width, $zoom_by_default) {
|
|
global $config;
|
|
$default = $zoom_by_default ? "scale(img);" : "";
|
|
return <<<EOD
|
|
<script type="text/javascript">
|
|
img = document.getElementById("main_image");
|
|
|
|
img.onclick = function() {scale(img);};
|
|
|
|
msg_div = document.createElement("div");
|
|
msg_div.id = "msg_div";
|
|
msg_div.appendChild(document.createTextNode("Note: Image has been scaled to fit the screen; click to enlarge"));
|
|
msg_div.style.display="none";
|
|
img.parentNode.insertBefore(msg_div, img);
|
|
|
|
orig_width = $image_width;
|
|
|
|
function scale(img) {
|
|
if(orig_width >= img.parentNode.clientWidth * 0.9) {
|
|
if(img.style.width != "90%") {
|
|
img.style.width = "90%";
|
|
msg_div.style.display = "block";
|
|
}
|
|
else {
|
|
img.style.width = orig_width + 'px';
|
|
msg_div.style.display = "none";
|
|
}
|
|
}
|
|
}
|
|
|
|
$default
|
|
</script>
|
|
EOD;
|
|
}
|
|
}
|
|
?>
|