MediaWiki:Gadget-PreviewFootnotes.js
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/*
本工具可以在編輯段落進行預覽時，把段落的註腳內容在預覽中顯示出來。
*/
(function(){
var fntagH="<!"+"--", fntagF="--"+">";
$(function(){
var $wpPreview=$("form#editform input#wpPreview");
if($wpPreview.length==0) return;
$wpPreview.click(function(){
var wpPreview=this,
editform=wpPreview.form;
if(!editform) return;
var wpTextbox1=editform.wpTextbox1;
if(!wpTextbox1) return;
var $wpPreview=$(wpPreview),
$editform=$(editform),
$wpTextbox1=$(wpTextbox1);
//被按下時在表單傳送字串添加fnid參數
var fnid;
do{
fnid=Math.floor(Math.random()*Math.pow(16,10)).toString(16);
}while(wpTextbox1.value.indexOf(fnid)!=-1);
$editform.attr("action", $editform.attr("action").replace(/\&fnid\=[^\&\?\#]*($|\&)/g, "$1").replace(/\?fnid\=[^\&\?\#]*(?:$|\&)/, "?").replace(/\?/,"?fnid="+fnid+"&").replace(/\&$/, "") );
//判斷時去掉源碼註解
var edittext=wpTextbox1.value;
var cIdxH, cIdxF;
while(edittext.indexOf(fntagH)!=-1){
cIdxH=edittext.indexOf(fntagH);
cIdxF=edittext.substring(cIdxH).indexOf(fntagF);
if(cIdxF==-1) break;
cIdxF+=cIdxH;
edittext=edittext.substring(0,cIdxH)+edittext.substring(cIdxF+fntagF.length);
}
//判斷時去掉nowiki、pre、source、includeonly的內容
var deltags=function(edittext, tagName){
var cIdxH, cIdxF, closetag;
do{
cIdxH=edittext.toLowerCase().indexOf("<"+tagName+">");
if(cIdxH!=-1){
}else{
cIdxH=edittext.toLowerCase().indexOf("<"+tagName+" ");
if(cIdxH!=-1){
}else{
break;
}
}
if(edittext.substr(edittext.toLowerCase().substring(cIdxH).indexOf(">")-1,2)=="\/>") {
closetag="\/>";
}else{
closetag="<\/"+tagName+">";
}
cIdxF=edittext.toLowerCase().substring(cIdxH).indexOf(closetag);
if(cIdxF==-1) break;
cIdxF+=cIdxH;
edittext=edittext.substring(0,cIdxH)+edittext.substring(cIdxF+closetag.length);
}while(true);
return edittext;
}
edittext=deltags(edittext, "includeonly");
edittext=deltags(edittext, "nowiki");
edittext=deltags(edittext, "pre");
edittext=deltags(edittext, "source");
var refgroups=[];
var addrefgroups=function(groupname){
for(var i=refgroups.length; i-->0; ) if(groupname==refgroups[i]) return;
refgroups[refgroups.length]=groupname;
}
var delrefgroups=function(groupname){
var temp=[];
for(var i=0; i<refgroups.length; i++){
if(refgroups[i]!=groupname) temp[temp.length]=refgroups[i];
}
refgroups=temp;
}
//暫時取走在references裏的註腳
var edittext0=edittext;
edittext=deltags(edittext, "references");
//擷取各ref的group屬性
var reftag, groupname, ispace, itagend;
do{
cIdxH=edittext.toLowerCase().indexOf("<ref>");
if(cIdxH!=-1){
}else{
cIdxH=edittext.toLowerCase().indexOf("<ref ");
if(cIdxH!=-1){
}else{
break;
}
}
if( (cIdxF=edittext.toLowerCase().substring(cIdxH).indexOf(">")) ==-1) break;
cIdxF+=cIdxH;
reftag=edittext.substring(cIdxH, cIdxF+1);
if(reftag.toLowerCase().indexOf("group")==-1){
addrefgroups(null);
}else{
if(reftag.toLowerCase().indexOf("group=\"")!=-1){
groupname=reftag.substring(reftag.toLowerCase().indexOf("group=\"")+7);
groupname=groupname.substring(0,groupname.indexOf("\""));
}else if(reftag.toLowerCase().indexOf("group=")!=-1){
groupname=reftag.substring(reftag.toLowerCase().indexOf("group=")+6);
ispace=groupname.indexOf(" ");
itagend=groupname.indexOf(">");
groupname=groupname.substring(0, (ispace<itagend)?ispace:itagend );
}else{
groupname=null;
}
addrefgroups(groupname);
}
edittext=edittext.substring(0,cIdxH)+edittext.substring(cIdxF+1);
}while(true);
var tags=edittext.split("\{\{");
var i, j;
for(i=tags.length; i-->0; ){
for(j=0; j<tags[i].length; j++){
if(tags[i].charAt(j)==" " || tags[i].charAt(j)=="\n") continue;
tags[i]=tags[i].substring(j);
break;
}
}
edittext=tags.join("\{\{");
//擷取各註腳模板
if(edittext.toLowerCase().indexOf("\{\{reftag")!=-1 ) addrefgroups("參");
if(edittext.toLowerCase().indexOf("\{\{notetag")!=-1 ) addrefgroups("註");
//擷取各\{\{#tag:ref\}\}的group屬性
var delg=0, addg=1;
var useTemplateGroup=function(edittext, tagName, adddel){
var i, j, tags, tlBn;
var ispace, itagend, ipipe, minIdx;
var groupname;
tags=edittext.split("\{\{"+tagName);
for(i=tags.length; i-->0; ){
for(j=0; j<tags[i].length; j++){
if(tags[i].charAt(j)==" " || tags[i].charAt(j)=="\n") continue;
tags[i]=tags[i].substring(j);
break;
}
}
edittext=tags.join("\{\{"+tagName);
do{
cIdxH=edittext.toLowerCase().indexOf("\{\{"+tagName+"\}\}");
if(cIdxH!=-1){
}else{
cIdxH=edittext.toLowerCase().indexOf("\{\{"+tagName+"|");
if(cIdxH!=-1){
}else{
break;
}
}
tlBn=0;
groupname=null;
for(var i=cIdxH; i<edittext.length; i++){
if(edittext.substr(i,2)=="\{\{" ){
tlBn++;
}else if(edittext.substr(i,2)=="\}\}" ){
tlBn--;
if(tlBn==0) break;
}
if(tlBn==1 && !groupname){
if(edittext.toLowerCase().substr(i,6)=="group=" ){
groupname=edittext.substring(i+6);
ispace=groupname.indexOf(" "); if(ispace==-1) ispace=Infinity;
itagend=groupname.indexOf("\}\}"); if(itagend==-1) itagend=Infinity;
ipipe=groupname.indexOf("|"); if(ipipe==-1) ipipe=Infinity;
minIdx=ispace;
if(itagend<minIdx) minIdx=itagend;
if(ipipe<minIdx) minIdx=ipipe;
groupname=groupname.substring(0,minIdx);
}else if(edittext.toLowerCase().substr(i,2)=="\}\}" ){
break;
}
}
}
if(adddel==1){
addrefgroups(groupname);
}else{
delrefgroups(groupname);
}
edittext=edittext.substring(0,cIdxH)+edittext.substring(i+2);
}while(true);
return edittext;
}
edittext=useTemplateGroup(edittext, "#tag:ref", addg);
//擷取各references的group屬性
edittext=deltags(edittext0, "ref");
do{
cIdxH=edittext.toLowerCase().indexOf("<references>");
if( cIdxH!=-1 ){
}else{
cIdxH=edittext.toLowerCase().indexOf("<references ");
if(cIdxH!=-1){
}else{
break;
}
}
if( (cIdxF=edittext.toLowerCase().substring(cIdxH).indexOf(">")) ==-1) break;
cIdxF+=cIdxH;
reftag=edittext.substring(cIdxH, cIdxF+1);
if(reftag.toLowerCase().indexOf("group")==-1){
delrefgroups(null);
}else{
if(reftag.toLowerCase().indexOf("group=\"")!=-1){
groupname=reftag.substring(reftag.toLowerCase().indexOf("group=\"")+7);
groupname=groupname.substring(0,groupname.indexOf("\""));
}else if(reftag.toLowerCase().indexOf("group=")!=-1){
groupname=reftag.substring(reftag.toLowerCase().indexOf("group=")+6);
ispace=groupname.indexOf(" ");
itagend=groupname.indexOf(">");
groupname=groupname.substring(0, (ispace<itagend)?ispace:itagend );
}else{
groupname=null;
}
delrefgroups(groupname);
}
edittext=edittext.substring(0,cIdxH)+edittext.substring(cIdxF+1);
}while(true);
edittext=useTemplateGroup(edittext, "#tag:references", delg);
edittext=useTemplateGroup(edittext, "reflist", delg);
if(edittext.toLowerCase().indexOf("\{\{reffoot")!=-1 ) delrefgroups("參");
if(edittext.toLowerCase().indexOf("\{\{notefoot")!=-1 ) delrefgroups("註");
//臨時在編輯內容後面加入註腳清單
edittext=wpTextbox1.value;
var footNoteList=function(groupname){
return "\n;以下為"+(groupname===null?"一般":"「"+groupname+"」組")+"的註腳：\n\{\{#tag:references"+(groupname===null?"":"||group="+groupname)+"\}\}";
};
if(refgroups.length>0){
edittext+=fntagH+fnid+fntagF +fntagH+"\n\/*"+fntagF+"\n<div class=\"references-small\" style=\"clear:both\">\n=(註腳預覽)=\n";
for(var i=0;i<refgroups.length;i++){
edittext+=footNoteList(refgroups[i]);
}
edittext+="\n</div>"+fntagH+"\n*\/"+fntagF;
}
var ot=wpTextbox1.value;
var oselst=wpTextbox1.selectionStart;
var oseled=wpTextbox1.selectionEnd;
$wpTextbox1.css("visibility", "hidden");
wpTextbox1.value=edittext;
setTimeout(function(){
wpTextbox1.value=ot;
$wpTextbox1.css("visibility", "");
wpTextbox1.selectionStart=oselst;
wpTextbox1.selectionEnd=oseled;
},100);
});
});
$(function(){
//預覽後，把臨時註腳清單從源碼中移除
var $wpTextbox1=$("form#editform textarea#wpTextbox1");
if($wpTextbox1.length==0 || !mw.util.getParamValue("fnid")) return;
var wpTextbox1=$wpTextbox1.get(0);
var edittext=wpTextbox1.value;
if(edittext.indexOf(fntagH+mw.util.getParamValue("fnid")+fntagF)==-1) return;
wpTextbox1.defaultValue=edittext.substring(0, edittext.indexOf(fntagH+mw.util.getParamValue("fnid")+fntagF));
wpTextbox1.value=wpTextbox1.defaultValue;
});
})();