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MediaWiki:PageNumbers.js
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/*********************************
* page numbers for proofreadpage
* by [user:ThomasV] 31 Aug 2012
**********************************/
var layout_num = 0;
function toggle_layout() {
var n=0; for( key in self.ws_layouts ) n++;
layout_num = (layout_num+1) % n;
$.cookie("layout",""+layout_num);
set_layout(layout_num);
}
if(!self.ws_layouts) self.ws_layouts = {}
function set_layout(layout_num) {
var i=0; for( key in self.ws_layouts ) { if(i==layout_num) layout_name = key; i++; }
d = self.ws_layouts[layout_name];
for( key in d ) {
if(key.substring(0,1)=='.') {
var t = get_elements_by_classname( key.substring(1,key.length) ,"span");
for(var i=0; i<t.length; i++) t[i].style.cssText = d[key];
} else if(key.substring(0,1)=='#') {
var item = document.getElementById(key.substring(1,key.length));
if(item) item.style.cssText = d[key];
}
}
o_a = document.getElementById("option-textLayout");
if(o_a) o_a.innerHTML = "<a href='javascript:toggle_layout();'>"+layout_name+"</a>";
refresh_pagenumbers();
}
function add_page_container(){
if(wgNamespaceNumber!=0 && wgNamespaceNumber!=2 ) return;
var id = null;
if(wgAction=="view"||wgAction=="purge") id = "#bodyContent";
if(wgAction=="submit") id = "#wikiPreview";
if (!id) return;
if( document.getElementById("text-wrap") ) return;
if( !self.proofreadpage_source_href && get_elements_by_classname("pagenum","span").length==0 ) return;
var t = get_elements_by_classname("text","div");
for(var i=0; i<t.length; i++) t[i].className ="";
t = get_elements_by_classname("lefttext","div");
for(var i=0; i<t.length; i++) t[i].className ="";
t = get_elements_by_classname("centertext","div");
for(var i=0; i<t.length; i++) t[i].className ="";
t = get_elements_by_classname("indented-page","div");
for(var i=0; i<t.length; i++) t[i].className ="";
t = get_elements_by_classname("prose","div");
for(var i=0; i<t.length; i++) t[i].className ="";
$(id).prepend($('div#contentSub'));
$('div#contentSub').nextUntil('div.printfooter').wrapAll("<div id='text-wrap'><div id='text-container'><div id='text'></div></div></div><div style='clear:both'></div>");
}
function set_layout_by_name(name){
if (self.ws_layouts[name]==undefined) return; //doesn't exists
var i=0; for( key in self.ws_layouts ) { if(key==name) break; i++; }
layout_num = i;
set_layout(i)
}
function init_page_layout() {
if(self.debug_page_layout) return;
if(document.URL.indexOf("match=") > 0 ) return;
if(document.URL.indexOf("diff=") > 0 ) return;
var k=false;
for( key in self.ws_layouts ) { k = true;}
if(!k) return;
add_page_container();
if(document.getElementById("text-wrap")) {
var optlist = get_optlist();
mw.util.addPortletLink ('p-displayOptions', 'javascript:toggle_layout();', ws_msg('layout'), 'option-textLayout', '' );
layout_num = 0;
if ($('#dynamic_layout_overrider').size()) {
var layout_name = $('#dynamic_layout_overrider').text();
set_layout_by_name(layout_name);
} else {
/* FIXME: the cookie also must store the selected layout by name, but it must be backward compatible with the storing by integer */
layout = $.cookie("layout") ;
if (layout)
layout_num = parseInt( layout );
if(!layout_num || layout_num == NaN) layout_num = 0;
set_layout(layout_num);
}
}
}
function hide_pagenumbers(){
var ml = get_elements_by_classname( 'pagenumber', 'span' );
for(var i=0; i<ml.length; i++) {
ml[i].style.display="none";
}
o_a = document.getElementById("option-pageNumbers");
if(o_a) {
o_a.innerHTML = "<a href='javascript:show_pagenumbers();'>"+ws_msg('show_page_numbers')+"</a>";
}
$.cookie("pagenum","0") ;
}
function show_pagenumbers(){
var ml = get_elements_by_classname( 'pagenumber', 'span' );
for(var i=0; i<ml.length; i++) {
ml[i].style.display="";
}
o_a = document.getElementById("option-pageNumbers");
if(o_a){
o_a.innerHTML = "<a href='javascript:hide_pagenumbers();'>"+ws_msg('hide_page_numbers')+"</a>";
}
$.cookie("pagenum","1") ;
}
// see http://stackoverflow.com/questions/1472842/firefox-and-chrome-give-different-values-for-offsettop
function get_offset(item) {
var ox=0; var oy=0;
var zme = item;
for(zmi=0;zmi<50;zmi++) {
if(zme+1 == 1 ) {
break;
}
else {
ox+=zme.offsetLeft;
oy+=zme.offsetTop;
}
zme=zme.offsetParent;
}
return [ox,oy, item.offsetTop];
}
function pagenum_over(ox,oy,prev_ox,prev_oy,h,w) {
if(self.proofreadpage_disable_highlighting) return true;
var ct = document.getElementById("ct-popup");
if(!ct) return true;
var dd = h/10;
ct.style.top = (oy-h+dd)+"px";
ct.style.height= "";
ct.firstChild.style.width = (w-ox)+"px";
ct.firstChild.nextSibling.style.height = (prev_oy-oy-h)+"px";
ct.firstChild.nextSibling.nextSibling.style.width = prev_ox+"px";
return true;
}
function pagenum_out(){
if(self.proofreadpage_disable_highlighting) return true;
var ct = document.getElementById("ct-popup");
if(!ct) return true;
ct.style.height= "0px";
ct.firstChild.style.width = "0px";
ct.firstChild.nextSibling.style.height = "0px";
ct.firstChild.nextSibling.nextSibling.style.width = "0px";
return true;
}
function init_page_numbers() {
if(document.URL.indexOf("match=") > 0 ) return;
self.pagenum_ml = get_elements_by_classname( 'pagenum', 'span' );
if( !self.proofreadpage_source_href || self.pagenum_ml.length==0) return;
var optlist = get_optlist();
mw.util.addPortletLink ('p-displayOptions', 'javascript:hide_pagenumbers();', ws_msg('hide_page_numbers'), 'option-pageNumbers', '', 'n' );
var cs = self.pagenum_ml[0].parentNode.parentNode;
//this happens for empty pages ; check if there are other cases
if(cs.tagName=="P") cs = cs.parentNode;
/* Measure the line height and the height of an empty span */
var ct = document.createElement("div");
ct.setAttribute("id","my-ct");
cs.insertBefore(ct,cs.firstChild);
var ss = document.createElement("div"); /*we need a div, not a span*/
ss.innerHTML=" <span></span>"; /*empty span following some text */
ss.setAttribute("id","my-ss");
cs.appendChild(ss);
/* container for page numbers */
var div_pagenums = document.createElement("div");
div_pagenums.setAttribute("id","ct-pagenums");
/* insert the container in the grandparent node, or parent, or self */
var mcs = document.getElementById("text-wrap");
if(!mcs) {
if(cs.parentNode.parentNode.style.position=="relative") mcs = cs.parentNode.parentNode;
else if(cs.parentNode.style.position=="relative") mcs = cs.parentNode;
else { mcs = cs; mcs.style.position = "relative"; }
}
mcs.appendChild(div_pagenums);
/* container for the highlight */
var div_popup = document.createElement("div");
var opacity="background-color:#252525;opacity:0.2;-ms-filter:alpha(opacity=20);filter:alpha(opacity=20);";
div_popup.setAttribute("id","ct-popup");
div_popup.style.cssText = "position:absolute;width:100%;";
div_popup.innerHTML = "<div style=\""+opacity+"float:right;width:0px;\" > </div>"
+"<div style=\""+opacity+"width:100%;height:0px;clear:both;\"></div>"
+"<div style=\""+opacity+"width:0px;\"> </div>";
cs.appendChild(div_popup);
refresh_pagenumbers();
}
function refresh_pagenumbers() {
var ct = document.getElementById("my-ct");
if(!ct) return;
//create a dummy pagenumber at the end to provide the end position
//because this is often not found correctly, especially with gaps in the page ranges
$('<span id="dummy-pagenumber" class="pagenum" style="display:none;"></span>').appendTo('div#mw-content-text');
var ss = document.getElementById("my-ss");
var cs = ct.parentNode;
/* set it to relative because the highlight is of width 100% */
cs.style.position = "relative"; /* fixme : this interacts with layouts */
var lineheight = ss.offsetHeight;
var offset_h = ss.lastChild.offsetHeight;
var linewidth = cs.offsetWidth;
var ct_o = get_offset(ct);
var ct_ox = ct_o[0];
var ct_oy = ct_o[1];
var oo = get_offset(ss);
var ox = oo[0] - ct_ox; var oy = oo[1] - ct_oy;
var oh ="";
for(var i=self.pagenum_ml.length-1; i>=0; i--) {
var a = self.pagenum_ml[i];
var num = decodeURI( a.id );
if(num.match(/^.CE.9E/)) num="Ξ";
if(num.match(/^.E2.80.93/)) num="—";
if(num.match(/^.E2.80.94/)) num="—";
var page = a.title;
var pagetitle = decodeURI( page );
var page_url = wgArticlePath.replace("$1", encodeURIComponent( pagetitle.replace(/ /g,"_") ) );
// encodeURIComponent encodes '/', which breaks subpages
page_url = page_url.replace(/%2F/g, '/');
var ll = a.parentNode.nextSibling;
if(ll && ll.tagName=="A" && ll.className=="new") class_str=" class=\"new\" "; else class_str="";
var link_str = "<a href=\""+page_url+"\"" + class_str + " title=\""+escapeQuotesHTML(pagetitle)+"\">"+escapeQuotesHTML(num)+"</a>"
if(self.proofreadpage_numbers_inline){
a.innerHTML = " <span class=\"pagenumber noprint\" style=\"color:#666666; display:inline; margin:0px; padding:0px;\">[<b>"+link_str+"</b>]</span> ";
}
else {
if(a.offsetTop==0 && i!=0) {
//if(self.proofreadpage_debug) alert("zero2 "+a.id+" "+a.parentNode.offsetTop);
continue;
}
prev_ox = ox;
prev_oy = oy;
a_o = get_offset(a);
ox = a_o[0] - ct_ox;
oy = a_o[1] - ct_oy + offset_h;
if(prev_oy - oy > 5) {
oh = oh + "<div class=\"pagenumber noprint\" onmouseover=\"pagenum_over("+ ox + "," + oy + "," + prev_ox + "," + prev_oy + "," + lineheight + "," + linewidth + ");\" onmouseout=\"pagenum_out();\" style=\"position:absolute; left:-4em; top:"+(oy+cs.offsetTop-lineheight)+"px; text-indent:0em; text-align:left; font-size:80%; font-weight:normal; font-style: normal;\">["+link_str+"]</div>";
}
}
}
if(!self.proofreadpage_numbers_inline) {
var ct_pagenums = document.getElementById("ct-pagenums");
ct_pagenums.innerHTML = oh;
}
pagenum_out();
if( parseInt($.cookie("pagenum")) == 0 ) hide_pagenumbers();
$('#dummy-pagenumber').remove(); //don't leave this hanging around to confuse other scripts
}
if ($.inArray(mw.config.get('wgAction'), [ 'view', 'submit' ]) != -1) {
//fixme : this is sensitive to order (detection of containers with "relative" position)
addOnloadHook(init_page_layout);
addOnloadHook(init_page_numbers);
}
