/**
* Generate XML for pictorial link with image swapping.
*
* If uri is null, plain picture is displayed
* Width and height of images are auto detected.
* If using image swapping, images are preloaded with javascript.
*
* @param string uri URI to open
* @param string filename Filename for image to display.
* @param string attr Additional HTML attributes, e.g. "target=main width='100%'"
* @param string m_over Filename for image to display when mouse is over image.
* Can contain onmouse* -- will merge with our code (our code
* will be executed first!). Except for onmouse* $attr is only
* added to <img tag. Cannot contain onmouse* code. Refer to $onmouse_merge
* @param array otherswap Swap other image: array ($name, $normal, $m_over).
* @param array onmouse_merge Addition onmouseover/out code to merge with our:
* array ($m_name_merge, $m_out_merge).
*/
public static function a_img($uri, $filename, $attr = false, $m_over = false, $otherswap = false, $onmouse_merge = false)
{
// $uri is false, just output picture
if (!$uri) {
return xml_gen::img($filename);
}
// Number of times xml_gen::a_img() has been called with $m_over.
static $called;
// Init
$swap_out = false;
$swap_over = false;
// Generate onmouse* code
if ($m_over || $otherswap) {
// Increment called var
$called++;
// Has mouse over?
if ($m_over) {
$swap_out = "swp('spluf{$called}','spl_f{$called}'); ";
$swap_over = "swp('spluf{$called}','splof{$called}'); ";
}
// Otherswap?
if ($otherswap) {
list($os_name, $os_normal, $os_m_over) = $otherswap;
if (!$os_name || !$os_normal || !$os_m_over) {
die("{$otherswap} requires array with three string.");
}
$swap_out .= "swp('{$os_name}','spl_q{$called}'); ";
$swap_over .= "swp('{$os_name}','sploq{$called}'); ";
}
}
// Onmouse* merge`?
if ($onmouse_merge) {
list($merge_over, $merge_out) = $onmouse_merge;
if (!$merge_over || !$merge_out) {
die("{$onmouse_merge} requires array with two strings.");
}
$swap_out .= $merge_out;
$swap_over .= $merge_over;
}
// Set name only if swapping
$name = $m_over || $otherswap ? "name='spluf{$called}'" : "";
// Output link and picture
$result = xml_gen::a($uri, xml_gen::img($filename, "{$name} {$attr}"), "onclick='this.blur()' onmouseout=\"{$swap_out}\" onmouseover=\"{$swap_over}\"");
// If no m_over, return result
if (!$m_over && !$otherswap) {
return $result;
}
// Else preload images
$result .= "<script type='text/javascript'>\n<!--\n\n";
// On first a_img() call, we insert the swp() javascript function.
if ($called == 1) {
$result .= "function swp(id,name) { if (document.images) document.images[id].src = eval(name+'.src'); }\n\n";
}
// Insert preload code.
if ($m_over) {
$result .= "if (document.images) {\r\n spl_f{$called} = new Image; spl_f{$called}.src = '{$filename}';\r\n splof{$called} = new Image; splof{$called}.src = '{$m_over}';\r\n }";
}
// Insert preload code - otherswap
if ($otherswap) {
$result .= "if (document.images) {\r\n spl_q{$called} = new Image; spl_q{$called}.src = '{$os_normal}';\r\n sploq{$called} = new Image; sploq{$called}.src = '{$os_m_over}';\r\n }";
}
return $result . "\n\n// -->\n</script>";
}
/**
* Common XHTML header
*
* @param string title Title
* @param string up Uri to up button or false
* @param string play Uri to play button or false
* @param bool sort Sort buttons active
* @param bool numbers Show numbers button active
*/
protected function head($title, $up = false, $play = false, $sort = false, $numbers = false)
{
echo parent::head($title);
// initialize tool tips
$this->tool_tips = new tool_tips();
$g = new xml_gen();
// generate menu xml
// up button
$menu_xml[] = $up ? $g->a_img($up, 'images/up.png', "alt='Up one level' title='Up one level'", 'images/up-c.png') : $g->img('images/up-g.png');
// play button
$menu_xml[] = $play ? $g->a_img("./?action=play&location={$play}", 'images/play.png', "alt='Play all tracks' title='Play all tracks'", 'images/play-c.png') : $g->img('images/play-g.png');
// spacer
$menu_xml[] = $g->space();
// search button
$menu_xml[] = $g->a_img("./?action=search", 'images/search.png', "alt='Search Metadata' title='Search Metadata'", 'images/search-c.png');
// stats button
$menu_xml[] = $g->a_img("./?action=stats", 'images/stats.png', "alt='Statictics' title='Statictics'", 'images/stats-c.png');
// config button
$menu_xml[] = $g->a_img('./?action=config', 'images/config.png', "alt='Configuration' title='Configuration'", 'images/config-c.png');
// all music link artist search
$amg_link = $this->action != 'toc' ? "javascript:document.forms.AMG.submit()" : "http://www.allmusic.com/";
$menu_xml[] = $g->a_img($amg_link, 'images/amg.png', "alt='All Music Guide' title='All Music Guide'", 'images/amg-c.png');
// google image search
$goo_link = $this->action != 'toc' ? "javascript:google()" : "http://www.google.com/";
$menu_xml[] = $g->a_img($goo_link, 'images/google.png', "alt='Google Image Search' title='Google Image Search'", 'images/google-c.png');
// spacer
$menu_xml[] = $g->space();
// numbers button
$img = @$_COOKIE['show_numbers'] ? 'numb' : 'num0';
$menu_xml[] = $numbers ? $g->a_img($_SERVER['REQUEST_URI'] . '&set_show_numbers=1', "images/{$img}.png", "alt='Toggle track numbers' title='Toggle track numbers'", "images/{$img}-c.png") : $g->img("images/{$img}-g.png");
// playing time button
$img = @$_COOKIE['show_playtime'] ? 'time' : 'time0';
$menu_xml[] = $sort ? $g->a_img($_SERVER['REQUEST_URI'] . '&set_show_playtime=1', "images/{$img}.png", "alt='Toggle playing time' title='Toggle playing time'", "images/{$img}-c.png") : $g->img("images/{$img}-g.png");
// sort alpha button
$img = $this->get_sort_mode();
$menu_xml[] = $sort ? $g->a_img($_SERVER['REQUEST_URI'] . '&set_sort_alpha=1', "images/{$img}.png", "alt='Toggle sort moder' title='Toggle sort mode'", "images/{$img}-c.png") : $g->img("images/{$img}-g.png");
// sort desc button
$img = $this->get_sort_direction();
$menu_xml[] = $sort ? $g->a_img($_SERVER['REQUEST_URI'] . "&set_sort_mode=1", "images/{$img}.png", "alt='Toggle sort direction' title='Toggle sort direction'", "images/{$img}-c.png") : $g->img("images/{$img}-g.png");
// output menu and title in main table
$this->t = new table(2, "id='main'");
$this->t->data(null, "id='menu'");
$t = new table(1);
foreach ($menu_xml as $xml) {
$t->data($xml);
}
$t->done();
$this->t->data($g->h1($title), "id='body'");
// all music guide code
$search_string = ereg("^[#@!\\+]?([^:]+)", $title, $regs) ? $regs[1] : "";
// first part of title - split by :, remove special chars
echo "\n <form action='http://www.allmusic.com/cg/amg.dll' method='post' target='AMG' name='AMG'>\n <input type='hidden' name='P' value='amg' />\n <input type='hidden' name='uid' value='SEARCH' />\n <input type='hidden' name='sql' value=\"{$search_string}\" />\n <input type='hidden' id='buttons' name='opt1' value='1' />\n </form>\n ";
// google image search code
$search_string = urlencode(utf8_decode(str_replace(":", '', $title)));
echo "\n <script type='text/javascript'>\n <!--\n function google()\n {\n window.open('http://images.google.com/images?as_q={$search_string}&svnum=10&hl=en&imgsz=medium|large|xlarge&safe=off', 'google2', 'resizable,scrollbars,menubar,status,toolbar,location')\n window.open('http://images.google.com/images?as_q={$search_string}&svnum=10&hl=en&imgsz=xxlarge&safe=off', 'google1', 'resizable,scrollbars,menubar,status,toolbar,location')\n }\n //-->\n </script>\n ";
// maximize browser window?
if ($this->browser_behaviour == 'maximize') {
echo "\n <script type='text/javascript'>\n <!--\n self.moveTo(0,0);\n self.resizeTo(screen.availWidth, screen.availHeight);\n // -->\n </script>\n ";
}
}