User:Kimdime/monobook.js

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// Permet de zoomer une image ("thumb" ou galerie) au survol de la souris ou au focus du clavier
 
// Documentation : [[Discussion utilisateur:Dr Brains/ZoomOnThumb.js]]
 
// [[Catégorie:MediaWiki:Fonction Monobook en JavaScript]]
 
//<source lang=javascript>
//<pre><nowiki>
////////////////////////////////////////////////////////////// VARIABLES PERSONNALISABLES //////////////////////////////////////////
 
 
////  Images thumb simples  ////
 
// délai en millisecondes
if(typeof(ZoomOnThumb_TimeOut)=="undefined") var ZoomOnThumb_TimeOut = 50;
// multiplicateur de grossissement max
if(typeof(ZoomOnThumb_MaxMultiplicator)=="undefined") var ZoomOnThumb_MaxMultiplicator = 3;  
 
 
////  Images galeries  ////
 
// délai en millisecondes
if(typeof(ZoomOnGallery_TimeOut)=="undefined") var ZoomOnGallery_TimeOut = 50;
// multiplicateur de grossissement max
if(typeof(ZoomOnGallery_MaxMultiplicator)=="undefined") var ZoomOnGallery_MaxMultiplicator = 3;  
 
 
////////////////////////////////////////////////////////////// FONCTIONS //////////////////////////////////////////
 
// --------------------------------------------------- THUMB ----------------------------------------------------------------------
 
/* VARIABLES */
var ZoomOnThumb_LinkOnImage = new Array();                 // Liste des liens "image"
var ZoomOnThumb_LinkOnImageState = new Array();            // État de zoom : 1 = zoom avant, -1 = zoom arrière, 0 = taille normale
var ZoomOnThumb_LinkOnImageOriginalWidth = new Array();    // Largeur originale de l'image
var ZoomOnThumb_LinkOnImageOriginalHeight = new Array();   // Hauteur originale de l'image
var ZoomOnThumb_LinkOnImageOriginalTarget = new Array();   // Cible originale de l'image (basse résolution)
var ZoomOnThumb_LinkOnImageZoomedTarget = new Array();     // Cible zoomée de l'image (haute résolution)
 
/* LANCEMENT */
$(ZoomOnThumb_CheckLinks);
 
/* ÉTABLISSEMENT DE LA LISTE DES LIENS "IMAGE" */
function ZoomOnThumb_CheckLinks(){
     var Divs = document.getElementsByTagName('div');
     for(var a=0;a<Divs.length;a++){
          if(hasClass(Divs[a],"thumbinner")){
               var DivThumb = Divs[a];
               var Links = DivThumb.getElementsByTagName('a');
               var LinkOnImage = Links[0];
               while(LinkOnImage.className != "image"){
                    LinkOnImage = LinkOnImage.nextSibling;
                    if(!LinkOnImage) break;
               }
               if(LinkOnImage) ZoomOnThumb_LinkOnImage.push(LinkOnImage);
           }
     }
     ZoomOnThumb_ModifyLinks();
}
 
/* TRANSFORMATION DES LIENS, MISE A JOUR VARIABLES */
function ZoomOnThumb_ModifyLinks(){
     for(var b=0;b<ZoomOnThumb_LinkOnImage.length;b++){
          var ThisLink = ZoomOnThumb_LinkOnImage[b];
          ThisLink.id = "ZoomLink_" +b;
          ThisLink.onmouseover = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnThumb_LinkOnImageState[ID] = 1; 
               ZoomOnThumb_ReplaceSrc(ID);
               ZoomOnThumb_ZoomIn(ID);
          }
          ThisLink.onfocus = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnThumb_LinkOnImageState[ID] = 1; 
               ZoomOnThumb_ReplaceSrc(ID);
               ZoomOnThumb_ZoomIn(ID);
          }
          ThisLink.onmouseout = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnThumb_LinkOnImageState[ID] = -1; 
               ZoomOnThumb_ZoomOut(ID);
          }
          ThisLink.onblur = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnThumb_LinkOnImageState[ID] = -1; 
               ZoomOnThumb_ZoomOut(ID);
          }
          var ThisDiv = ThisLink.parentNode;
          ThisDiv.id = "ZoomDiv_" +b;
          var ThisImage = ThisLink.getElementsByTagName('img')[0];
          ThisImage.id = "ZoomImage_" +b;
          ZoomOnThumb_LinkOnImageOriginalWidth[b] = ThisImage.width;
          ZoomOnThumb_LinkOnImageOriginalHeight[b] = ThisImage.height;
          ZoomOnThumb_LinkOnImageOriginalTarget[b] = ThisImage.src;
          ZoomOnThumb_LinkOnImageState[b] = 0;
     }
}
 
/* ZOOM AVANT */
function ZoomOnThumb_ZoomIn(ID){
     if(ZoomOnThumb_LinkOnImageState[ID]!= 1) return;
 
     var Image = document.getElementById('ZoomImage_'+ID);
     var Div = document.getElementById('ZoomDiv_'+ID);
     if((!Image)||(!Div)) return; 
 
     var ImageWidth = parseInt(Image.width);
     var ImageHeight = parseInt(Image.height);
 
     if(ImageWidth<(ZoomOnThumb_LinkOnImageOriginalWidth[ID]*ZoomOnThumb_MaxMultiplicator)){
          var NewImageWidth = parseInt(ImageWidth * 1.05);
          var NewImageHeight = parseInt(ImageHeight * 1.05);
          if(NewImageWidth>(ZoomOnThumb_LinkOnImageOriginalWidth[ID]*ZoomOnThumb_MaxMultiplicator)) ZoomOnThumb_LinkOnImageState[ID] = 0;
          Image.width = NewImageWidth;
          Image.height = NewImageHeight;
          Div.style.width = (2+NewImageWidth) + 'px';
          setTimeout("ZoomOnThumb_ZoomIn("+ID+");", ZoomOnThumb_TimeOut);
     }
}
 
/* ZOOM ARRIÈRE */
function ZoomOnThumb_ZoomOut(ID){
     if(ZoomOnThumb_LinkOnImageState[ID]!= -1) return;
 
     var Image = document.getElementById('ZoomImage_'+ID);
     var Div = document.getElementById('ZoomDiv_'+ID);
     if((!Image)||(!Div)) return;
 
     var ImageWidth = parseInt(Image.width);
     var ImageHeight = parseInt(Image.height);
 
     if(ImageWidth>ZoomOnThumb_LinkOnImageOriginalWidth[ID]){
          var NewImageWidth = parseInt(ImageWidth * 0.8);
          var NewImageHeight = parseInt(ImageHeight * 0.8);
          if(NewImageWidth<ZoomOnThumb_LinkOnImageOriginalWidth[ID]){
               NewImageWidth = ZoomOnThumb_LinkOnImageOriginalWidth[ID];
               NewImageHeight = ZoomOnThumb_LinkOnImageOriginalHeight[ID];
               Image.src = ZoomOnThumb_LinkOnImageOriginalTarget[ID];
               ZoomOnThumb_LinkOnImageState[ID] = 0;
          }
          Image.width = NewImageWidth;
          Image.height = NewImageHeight;
          Div.style.width = (2+NewImageWidth) + 'px';
          setTimeout("ZoomOnThumb_ZoomOut("+ID+");", ZoomOnThumb_TimeOut);
     }
}
 
/* RECHERCHE CIBLE DE L'IMAGE EN HAUTE RÉSOLUTION */
function ZoomOnThumb_ReplaceSrc(ID){
     var Image = document.getElementById('ZoomImage_'+ID);
     var Link = document.getElementById('ZoomLink_'+ID);
     if((!Image)||(!Link)) return; 
     if(ZoomOnThumb_LinkOnImageZoomedTarget[ID]){
          Image.src = ZoomOnThumb_LinkOnImageZoomedTarget[ID];
          return;
     }
     var Cible = mw.config.get('wgFormattedNamespaces')[6] + ':' + Link.href.split(mw.config.get('wgFormattedNamespaces')[6] + ':')[1];
     var WikitextNewImage = '[['+Cible+'|thumb|'+(ZoomOnThumb_LinkOnImageOriginalWidth[ID]*ZoomOnThumb_MaxMultiplicator)+'px]]';
     var AdresseRequete = mw.config.get('wgServer') + '/w/api.php?action=parse&text=' + WikitextNewImage;
     var NouvelleRequete = sajax_init_object();
     NouvelleRequete.open("GET", AdresseRequete, true);
     NouvelleRequete.onreadystatechange = function() {
          if(NouvelleRequete.readyState != 4 || NouvelleRequete.status != 200) return;
          var ElementTraitement = document.createElement('div');
          ElementTraitement.innerHTML = NouvelleRequete.responseText; 
          var Informations = ElementTraitement.getElementsByTagName('pre')[0];
          var Link = Informations.getElementsByTagName('a')[0];
          if(Link){ 
               var NewSrcImage = Link.href.replace(/&quot;$/g,"");
               ZoomOnThumb_LinkOnImageZoomedTarget[ID] = NewSrcImage;
               if(ZoomOnThumb_LinkOnImageState[ID]!= 1) return;
               Image.src = NewSrcImage;
          }
     }
     NouvelleRequete.send(null);
}
 
// --------------------------------------------------- GALERIES ----------------------------------------------------------------------
 
/* VARIABLES */
var ZoomOnGallery_LinkOnImage = new Array();                 // Liste des liens "image"
var ZoomOnGallery_LinkOnImageState = new Array();            // État de zoom : 1 = zoom avant, -1 = zoom arrière, 0 = taille normale
var ZoomOnGallery_LinkOnImageOriginalWidth = new Array();    // Largeur originale de l'image
var ZoomOnGallery_LinkOnImageOriginalHeight = new Array();   // Hauteur originale de l'image
var ZoomOnGallery_LinkOnImageOriginalTarget = new Array();   // Cible originale de l'image (basse résolution)
var ZoomOnGallery_LinkOnImageZoomedTarget = new Array();     // Cible zoomée de l'image (haute résolution)
 
 
/* LANCEMENT */
$(ZoomOnGallery_CheckLinks);
 
/* ÉTABLISSEMENT DE LA LISTE DES LIENS "IMAGE" */
function ZoomOnGallery_CheckLinks(){
     var Divs = document.getElementsByTagName('div');
     for(var a=0;a<Divs.length;a++){
          if(hasClass(Divs[a],"gallerybox")){
               var DivGallery = Divs[a];
               var Links = DivGallery.getElementsByTagName('a');
               var LinkOnImage = Links[0];
               while(LinkOnImage.className != "image"){
                    LinkOnImage = LinkOnImage.nextSibling;
                    if(!LinkOnImage) break;
               }
               if(LinkOnImage) ZoomOnGallery_LinkOnImage.push(LinkOnImage);
           }
     }
     ZoomOnGallery_ModifyLinks();
}
 
/* TRANSFORMATION DES LIENS, MISE A JOUR VARIABLES */
function ZoomOnGallery_ModifyLinks(){
     for(var b=0;b<ZoomOnGallery_LinkOnImage.length;b++){
          var ThisLink = ZoomOnGallery_LinkOnImage[b];
          ThisLink.id = "ZoomLink_" +(b+1000); 
          ThisLink.onmouseover = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnGallery_LinkOnImageState[ID] = 1; 
               ZoomOnGallery_ReplaceSrc(ID);
               ZoomOnGallery_ZoomIn(ID);
          }
          ThisLink.onfocus = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnGallery_LinkOnImageState[ID] = 1; 
               ZoomOnGallery_ReplaceSrc(ID);
               ZoomOnGallery_ZoomIn(ID);
          }
          ThisLink.onmouseout = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnGallery_LinkOnImageState[ID] = -1; 
               ZoomOnGallery_ZoomOut(ID);
          }
          ThisLink.onblur = function(){
               var ID = parseInt(this.id.split('ZoomLink_').join(''));
               ZoomOnGallery_LinkOnImageState[ID] = -1; 
               ZoomOnGallery_ZoomOut(ID);
          } 
          var ThisDiv = ThisLink.parentNode;
          ThisDiv.id = "ZoomDiv_" +(b+1000);
          var ThisThumb = ThisDiv.parentNode;
          ThisThumb.id = "ZoomThumb_" +(b+1000);
          var ThisGalleryBox = ThisThumb.parentNode;
          ThisGalleryBox.id = "ZoomGalleryBox_" +(b+1000);
          var ThisImage = ThisLink.getElementsByTagName('img')[0];
          ThisImage.id = "ZoomImage_" +(b+1000);
          ZoomOnGallery_LinkOnImageOriginalWidth[(b+1000)] = ThisImage.width;
          ZoomOnGallery_LinkOnImageOriginalHeight[(b+1000)] = ThisImage.height;
          ZoomOnGallery_LinkOnImageOriginalTarget[(b+1000)] = ThisImage.src;
          ZoomOnGallery_LinkOnImageState[(b+1000)] = 0;
     }
}
 
/* ZOOM AVANT */
function ZoomOnGallery_ZoomIn(ID){
     if(ZoomOnGallery_LinkOnImageState[ID]!= 1) return;
 
     var Image = document.getElementById('ZoomImage_'+ID);
     var Div = document.getElementById('ZoomDiv_'+ID);
     var Thumb = document.getElementById('ZoomThumb_'+ID);
     var GalleryBox = document.getElementById('ZoomGalleryBox_'+ID);
     if((!Image)||(!Div)||(!Thumb)||(!GalleryBox)) return;
 
     var ImageWidth = parseInt(Image.width);
     var ImageHeight = parseInt(Image.height);
     var MaxWidth = (parseInt(ZoomOnGallery_LinkOnImageOriginalWidth[ID])*parseInt(ZoomOnGallery_MaxMultiplicator));
     if(ImageWidth<MaxWidth){
          var NewImageWidth = parseInt(ImageWidth * 1.05);
          var NewImageHeight = parseInt(ImageHeight * 1.05);
          if(NewImageWidth>MaxWidth) ZoomOnGallery_LinkOnImageState[ID] = 0;
          Image.width = NewImageWidth;
          Image.height = NewImageHeight;
          Div.style.width = NewImageWidth + 'px';
          Thumb.style.width = (NewImageWidth+30) + 'px';
          GalleryBox.style.width = (NewImageWidth+35) + 'px';
          setTimeout("ZoomOnGallery_ZoomIn("+ID+");", ZoomOnGallery_TimeOut);
     }
}
 
 
/* ZOOM ARRIÈRE */
function ZoomOnGallery_ZoomOut(ID){
     if(ZoomOnGallery_LinkOnImageState[ID]!= -1) return;
 
     var Image = document.getElementById('ZoomImage_'+ID);
     var Div = document.getElementById('ZoomDiv_'+ID);
     var Thumb = document.getElementById('ZoomThumb_'+ID);
     var GalleryBox = document.getElementById('ZoomGalleryBox_'+ID);
     if((!Image)||(!Div)||(!Thumb)||(!GalleryBox)) return;
 
     var ImageWidth = parseInt(Image.width);
     var ImageHeight = parseInt(Image.height);
     var MinWidth = ZoomOnGallery_LinkOnImageOriginalWidth[ID];
 
     if(ImageWidth>MinWidth){
          var NewImageWidth = parseInt(ImageWidth * 0.8);
          var NewImageHeight = parseInt(ImageHeight * 0.8);
          if(NewImageWidth<MinWidth){
               NewImageWidth = ZoomOnGallery_LinkOnImageOriginalWidth[ID];
               NewImageHeight = ZoomOnGallery_LinkOnImageOriginalHeight[ID];
               Image.src = ZoomOnGallery_LinkOnImageOriginalTarget[ID];
               ZoomOnGallery_LinkOnImageState[ID] = 0;
          }
          Image.width = NewImageWidth;
          Image.height = NewImageHeight;
          Div.style.width = NewImageWidth + 'px';
          Thumb.style.width = (NewImageWidth+30) + 'px';
          GalleryBox.style.width = (NewImageWidth+35) + 'px';
          setTimeout("ZoomOnGallery_ZoomOut("+ID+");", ZoomOnGallery_TimeOut);
     }
}
 
/* RECHERCHE CIBLE DE L'IMAGE EN HAUTE RÉSOLUTION */
function ZoomOnGallery_ReplaceSrc(ID){
     var Image = document.getElementById('ZoomImage_'+ID);
     var Link = document.getElementById('ZoomLink_'+ID);
     if((!Image)||(!Link)) return;
     if(ZoomOnGallery_LinkOnImageZoomedTarget[ID]){
          Image.src = ZoomOnGallery_LinkOnImageZoomedTarget[ID];
          return;
     }
     var Cible = mw.config.get('wgFormattedNamespaces')[6] + ':' + Link.href.split(mw.config.get('wgFormattedNamespaces')[6] + ':')[1];
     var WikitextNewImage = '[['+Cible+'|thumb|'+(ZoomOnGallery_LinkOnImageOriginalWidth[ID]*ZoomOnGallery_MaxMultiplicator)+'px]]';
     var AdresseRequete = mw.config.get('wgServer') + '/w/api.php?action=parse&text=' + WikitextNewImage;
     var NouvelleRequete = sajax_init_object();
     NouvelleRequete.open("GET", AdresseRequete, true);
     NouvelleRequete.onreadystatechange = function() {
          if(NouvelleRequete.readyState != 4 || NouvelleRequete.status != 200) return;
          var ElementTraitement = document.createElement('div');
          ElementTraitement.innerHTML = NouvelleRequete.responseText; 
          var Informations = ElementTraitement.getElementsByTagName('pre')[0];
          var Link = Informations.getElementsByTagName('a')[0];
          if(Link){ 
               var NewSrcImage = Link.href.replace(/&quot;$/g,"");
               ZoomOnGallery_LinkOnImageZoomedTarget[ID] = NewSrcImage;
               if(ZoomOnGallery_LinkOnImageState[ID]!= 1) return;
               Image.src = NewSrcImage;
          }
     }
     NouvelleRequete.send(null);
}
 
//</nowiki></pre></source>