<?php
/*
solarTelescopes.php
author: Sydney D'Silva
Usage:
To generate html files of each page
solarTelescopes.php?generate=true
To get page n
solarTelescopes.php?page_num=n
Provides the client with images and links to a
subset of images of Solar Telescopes from all
around the world.
A brief description of each image is provided as a
popup on hover. Best viewed with Firefox, Mozilla, Netscape
IE does not show this description.
*/
require_once ("xmlParser.php");
$dir_name = dirname(realpath($PHP_SELF))."/";
$generate=$_GET["generate"];
if($generate = "")$generate=false;
if($generate)
{
$current_sun="solar_telescopes";
$page_num=$argv[1];
ob_start();
}
//Matrix parameters
$n_col_img=6; // number of columns
$n_row_img=2; // number of rows
$n_page_img=$n_col_img*$n_row_img; // number of images in page
$cell_width=130;
$cell_padding=2;
$cell_spacing=0;
$table_border=0;
$table_width=($cell_width+2.*$cell_padding+2.*$cell_spacing)*$n_col_img;
$xml = new xmlParser("solarTelescopes.xml");
$xml->getArray("thumb");
$keys=array("thumb","hires","caption","copywrite","description","thumbURL","hiresURL");
$n_keys=count($keys);
for($i_col=0; $i_col<$n_keys; $i_col++){
$xml->getArray($keys[$i_col]);
$img_arr[$keys[$i_col]] = $xml->returnArray;
}
//Read data into array $img_arr
/*
$lines=file($dir_name."telescope_data");
$i_row=0;
$i_col=0;
$keys=array("thmb","hires","caption","info_title","info_text","url_thmb","url_hires");
$n_keys=count($keys);
foreach($lines as $line)
{
$line=rtrim($line);
$img_arr[$i_row][$keys[$i_col]]=$line;
$i_col++;
if($i_col % $n_keys == 0)
{
$i_col=0;
$i_row++;
}
}
*/
$n_img = count($img_arr["thumb"]); // Total number of images
//css data string
$header_string = "<head>
<style type='text/css'>
h1
{
color:green;
text-align:center;
}
div.turn_page
{
align:right;width:{$table_width}px;color:green;text-align:right;
}
div.caption
{
align:left; font-face:Tahoma; color:#ffffff; font-size:12px; font-style=normal
}
div#img a span {display: none;}
div#img a {text-decoration:none; color:white;}
div#img a.img:link {color: #0000ff}
div#img a.img:visited {color: #00ff00}
div#img a.img:hover {color: #ffcc00}
div#img a:hover span
{
display: block;
position: fixed; /*absolute; top: 0px; left: 0*/;
width: 225px;
padding: 5px; margin: 10px; z-index: 100;
color: #ff0000; background:rgb(200,200,200);
font: 12px Verdana, sans-serif; text-align: left;
}
td.img
{
background-color:#000000;
}
a.img:link {color: #ff0000}
a.img:visited {color: #0000ff}
a.img:hover {color: #ffcc00}
.popup
{
COLOR: #ffffff;
CURSOR: help;
TEXT-DECORATION: none
}
</style>
</head>
";
//js string for popup
$script= <<<END
<script type="text/javascript" language="javascript">
<!--
var newWindow='';
function PopUp(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
newWindow = window.open(href, windowname, 'width=500,height=500,scrollbars=yes,left=0,top=100,resizable=yes');
if (window.focus) {newWindow.focus()}
return false;
}
//-->
</script>
END;
$open_html = "<html>";
$open_table=<<<END
<table cellpadding="{$cell_padding}" cellspacing="{$cell_spacing}"
border="{$table_border}" style="text-align: left; width: {$table_width}px;
margin-left: auto; margin-right: auto;">
<tbody>
<tr>
END;
$open_td=<<<END
<td class="img" width="{$cell_width}" valign="middle" align="center" height="7">;
END;
$title = "<h1>Solar Telescopes Around the World</h1>";
// If calling sequence is current_sun.php?display=hires&ref_string=http://... then open popup window with
// the given url
$display = $_GET['display'];
$ref_string = $_GET['ref_string'];
$page_num = $_GET['page_num'];
if($display == hires)
{
$xtract_xtension = explode(".",$ref_string);
$file_type=$xtract_xtension[count($xtract_xtension)-1];
if($file_type == "html")
{
header("Location:{$ref_string}");
}
else
{
print <<<END
<a href="javascript:self.close()"><img src="{$ref_string}"/></a>
END;
}
if($ref_string == '')print "Calling sequence is 'current_sun.php?display=hires&ref_string=http://...'";
}
else
{
// The main page with image matrix
// Start HTML
print $open_html;
print $header_string;
print "<body>";
print $script;
print $title;
$page_num = !empty($page_num) ? $page_num : 0;
$next_page=$page_num+1;
$prev_page=$page_num-1;
$img_indx = $page_num*$n_page_img;
$n_page = (int)($n_img/$n_page_img); //Total number of pages
$n_this_page_img = ($img_indx+$n_page_img > $n_img)? $n_img : $n_page_img*(1.+$page_num);
if($img_indx > $n_page_img-1)
{
if($generate)
{
$turn_page = "<div class=\"turn_page\">
<a href=\"$current_sun$prev_page.html\" style=\"text-decoration:none\">Prev page |</a>";
}
else
{
$turn_page = "<div class=\"turn_page\">
<a href=\"{$GLOBALS['PHP_SELF']}?page_num=$prev_page\" style=\"text-decoration:none\">Prev page |</a>";
}
}
else
{
$turn_page = "<div class=\"turn_page\">Prev page |";
}
if($n_img > $n_this_page_img)
{
if($generate)
{
$turn_page .= "
<a href=\"{$current_sun}$next_page.html\" style=\"text-decoration:none\"> Next page</a></div>";
}
else
{
$turn_page .= "
<a href=\"{$GLOBALS['PHP_SELF']}?page_num=$next_page\" style=\"text-decoration:none\"> Next page</a></div>";
}
}
else
{
$turn_page .= " Next page</div>";
}
print $open_table;
$value=array();
$i_cnt = 0;
for($i_img=$img_indx; $i_img<$n_this_page_img; $i_img++)
{
$url_thmb = "http://".$img_arr['thumbURL'][$i_img];
$url_hires = "http://".$img_arr['hiresURL'][$i_img];
$thmb = $img_arr['thumb'][$i_img];
$hires = $img_arr['hires'][$i_img];
$src = $url_thmb.$thmb ;
$ref_string = $url_hires.$hires ;
$caption = "<span title=\"".$img_arr['copywrite'][$i_img]."\" class='popup'>".$img_arr['caption'][$i_img]."</span>";
$span = "<span><center>".$img_arr['copywrite'][$i_img]."</center>".$img_arr['description'][$i_img]."</span>";
$caption = "<a href=\" \">".$img_arr['caption'][$i_img].$span."</a>";
print $open_td;
if($generate)
{
print <<<END
<div id="img">
<a class="img" href="{$ref_string}" onclick="return PopUp(this,$i_img)">
<img src="{$src}" width="100" height="100"/>{$span}
</a>
<br />
{$caption}
<br />
</div>
</td>
END;
}
else
{
print <<<END
<div id="img">
<a class="img" href="{$GLOBALS['PHP_SELF']}?display=hires&ref_string={$ref_string}" onclick="return PopUp(this,$i_img)">
<img src="{$src}" width="100" height="100"/>{$span}
</a>
<br />
{$caption}
<br />
</div>
</td>
END;
}
if (($i_cnt+1) % $n_col_img == 0)
{
print "</tr><tr>";
}
$i_cnt++;
}
// Adds " " to prevent netscape from complaining
if (($i_cnt+1) % $n_col_img != 1)
{
for($i_img=0;$i_img<($n_col_img - $n_this_page_img % $n_col_img); $i_img++)
{
print $open_td;
print "</td>";
}
}
print "</tr>
<th colspan=\"{$n_col_img}\" frame=\"above\">{$turn_page}</th>
</tbody>
</table>
</body>
</html>
";
}// if statement
function img_dimensions($url)
{
list($img_w,$img_h,$type,$attr)=getImageSize($url);
if($img_w != $img_h)
{
$img_side = ($img_w < $img_h) ? $img_w : $img_h;
}
return $img_side;
}
//clip:rect(0px 100px 200px 0px)
if($generate)
{
$temp_file="$dir_name$current_sun$page_num.html";
$fp = fopen($temp_file, "w");
fwrite($fp, ob_get_contents());
fclose($fp);
ob_end_flush();
`rsync -avz --stats --rsh=ssh $temp_file sdsilva@polaris.umuc.edu:www/Sun/`;
}
?>