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/**
* Page behaviours
*
* This class adds various behaviours to the rendered page
*/
dw_page = {
/**
* initialize page behaviours
*/
init: function(){
dw_page.sectionHighlight();
jQuery('a.fn_top').mouseover(dw_page.footnoteDisplay);
dw_page.initTocToggle();
},
/**
* Highlight the section when hovering over the appropriate section edit button
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
sectionHighlight: function() {
jQuery('form.btn_secedit')
.mouseover(function(){
var $tgt = jQuery(this).parent(),
nr = $tgt.attr('class').match(/(\s+|^)editbutton_(\d+)(\s+|$)/)[2];
// Walk the DOM tree up (first previous siblings, then parents)
// until boundary element
while($tgt.length > 0 && !$tgt.hasClass('sectionedit' + nr)) {
// $.last gives the DOM-ordered last element:
// prev if present, else parent.
$tgt = $tgt.prev().add($tgt.parent()).last();
$tgt.addClass('section_highlight');
}
})
.mouseout(function(){
jQuery('.section_highlight').removeClass('section_highlight');
});
},
/**
* Create/get a insitu popup used by the footnotes
*
* @param target - the DOM element at which the popup should be aligned at
* @param popup_id - the ID of the (new) DOM popup
* @return the Popup JQuery object
*/
insituPopup: function(target, popup_id) {
// get or create the popup div
var $fndiv = jQuery('#' + popup_id);
// popup doesn't exist, yet -> create it
if($fndiv.length === 0){
$fndiv = jQuery(document.createElement('div'))
.attr('id', popup_id)
.addClass('insitu-footnote JSpopup')
.mouseleave(function () {jQuery(this).hide();});
jQuery('div.dokuwiki:first').append($fndiv);
}
// position() does not support hidden elements
$fndiv.show().position({
my: 'left top',
at: 'left center',
of: target
}).hide();
return $fndiv;
},
/**
* Display an insitu footnote popup
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Chris Smith <chris@jalakai.co.uk>
*/
footnoteDisplay: function () {
var content = jQuery(jQuery(this).attr('href')) // Footnote text anchor
.closest('div.fn').html();
if (content === null){
return;
}
// strip the leading content anchors and their comma separators
content = content.replace(/((^|\s*,\s*)<sup>.*?<\/sup>)+\s*/gi, '');
// prefix ids on any elements with "insitu__" to ensure they remain unique
content = content.replace(/\bid=(['"])([^"']+)\1/gi,'id="insitu__$2');
// now put the content into the wrapper
dw_page.insituPopup(this, 'insitu__fn').html(content).show();
},
/**
* Adds the toggle switch to the TOC
*/
initTocToggle: function() {
var $header, $clicky, $toc, $tocul, setClicky;
$header = jQuery('#toc__header');
if(!$header.length) {
return;
}
$toc = jQuery('#toc__inside');
$tocul = $toc.children('ul.toc');
setClicky = function(hiding){
if(hiding){
$clicky.html('<span>+</span>');
$clicky[0].className = 'toc_open';
}else{
$clicky.html('<span>−</span>');
$clicky[0].className = 'toc_close';
}
};
$clicky = jQuery(document.createElement('span'))
.attr('id','toc__toggle');
$header.css('cursor','pointer')
.click(function () {
var hidden;
// Assert that $toc instantly takes the whole TOC space
$toc.css('height', $toc.height()).show();
hidden = $tocul.stop(true, true).is(':hidden');
setClicky(!hidden);
// Start animation and assure that $toc is hidden/visible
$tocul.dw_toggle(hidden, function () {
$toc.toggle(hidden);
});
})
.prepend($clicky);
setClicky();
}
};
jQuery(dw_page.init);
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