www.lightcourse.com/public/static/plugins/jqtreetable.js

111 lines
4.7 KiB
JavaScript

/*
Copyright: Paul Hanlon
Released under the MIT/BSD licence which means you can do anything you want
with it, as long as you keep this copyright notice on the page
*/
(function(jq){
jq.fn.jqTreeTable=function(map, options){
var opts = jq.extend({openImg:"",shutImg:"",leafImg:"",lastOpenImg:"",lastShutImg:"",lastLeafImg:"",vertLineImg:"",blankImg:"",collapse:false,column:0,striped:false,highlight:false,state:true},options),
mapa=[],mapb=[],tid=this.attr("id"),collarr=[],
stripe=function(){
if(opts.striped){
$("#"+tid+" tr:visible").filter(":even").addClass("even").end().filter(":odd").removeClass("even");
}
},
buildText = function(parno, preStr){//Recursively build up the text for the images that make it work
var mp=mapa[parno], ro=0, pre="", pref, img;
for (var y=0,yl=mp.length;y<yl;y++){
ro = mp[y];
if (mapa[ro]){//It's a parent as well. Build it's string and move on to it's children
pre=(y==yl-1)? opts.blankImg: opts.vertLineImg;
img=(y==yl-1)? opts.lastOpenImg: opts.openImg;
mapb[ro-1] = preStr + '<img src="'+img+'" class="parimg" id="'+tid+ro+'">';
pref = preStr + '<img src="'+pre+'" class="preimg">';
arguments.callee(ro, pref);
}else{//it's a child
img = (y==yl-1)? opts.lastLeafImg: opts.leafImg;//It's the last child, It's child will have a blank field behind it
mapb[ro-1] = preStr + '<img src="'+img+'" class="ttimage" id="'+tid+ro+'">';
}
}
},
expandKids = function(num, last){//Expands immediate children, and their uncollapsed children
jq("#"+tid+num).attr("src", (last)? opts.lastOpenImg: opts.openImg);//
for (var x=0, xl=mapa[num].length;x<xl;x++){
var mnx = mapa[num][x];
jq("#"+tid+mnx).parents("tr").removeClass("collapsed");
if (mapa[mnx] && opts.state && jq.inArray(mnx, collarr)<0){////If it is a parent and its number is not in the collapsed array
arguments.callee(mnx,(x==xl-1));//Expand it. More intuitive way of displaying the tree
}
}
},
collapseKids = function(num, last){//Recursively collapses all children and their children and change icon
jq("#"+tid+num).attr("src", (last)? opts.lastShutImg: opts.shutImg);
for (var x=0, xl=mapa[num].length;x<xl;x++){
var mnx = mapa[num][x];
jq("#"+tid+mnx).parents("tr").addClass("collapsed");
if (mapa[mnx]){//If it is a parent
arguments.callee(mnx,(x==xl-1));
}
}
},
creset = function(num, exp){//Resets the collapse array
var o = (exp)? collarr.splice(jq.inArray(num, collarr), 1): collarr.push(num);
cset(tid,collarr);
},
cget = function(n){
var v='',c=' '+document.cookie+';',s=c.indexOf(' '+n+'=');
if (s>=0) {
s+=n.length+2;
v=(c.substring(s,c.indexOf(';',s))).split("|");
}
return v||0;
},
cset = function (n,v) {
jq.unique(v);
document.cookie = n+"="+v.join("|")+";";
};
for (var x=0,xl=map.length; x<xl;x++){//From map of parents, get map of kids
num = map[x];
if (!mapa[num]){
mapa[num]=[];
}
mapa[num].push(x+1);
}
buildText(0,"");
jq("tr", this).each(function(i){//Inject the images into the column to make it work
jq(this).children("td").eq(opts.column).prepend(mapb[i]);
//jq(this).children("td").eq(4).prepend("["+((mapa[i+1])? mapa[i+1]: "Child")+"]");//REMOVE THIS for production
});
collarr = cget(tid)||opts.collapse||collarr;
if (collarr.length){
cset(tid,collarr);
for (var y=0,yl=collarr.length;y<yl;y++){
collapseKids(collarr[y],($("#"+collarr[y]+ " .parimg").attr("src")==opts.lastOpenImg));
}
}
stripe();
jq(".parimg", this).each(function(i){
var jqt = jq(this),last;
jqt.click(function(){
var num = parseInt(jqt.attr("id").substr(tid.length));//Number of the row
if (jqt.parents("tr").next().is(".collapsed")){//If the table row directly below is collapsed
expandKids(num, (jqt.attr("src")==opts.lastShutImg));//Then expand all children not in collarr
if(opts.state){creset(num,true);}//If state is set, store in cookie
}else{//Collapse all and set image to opts.shutImg or opts.lastShutImg on parents
collapseKids(num, (jqt.attr("src")==opts.lastOpenImg));
if(opts.state){creset(num,false);}//If state is set, store in cookie
}
stripe();//Restripe the rows
});
});
if (opts.highlight){//This is where it highlights the rows
jq("tr", this).hover(
function(){jq(this).addClass("over");},
function(){jq(this).removeClass("over");}
);
};
};
return this;
})(jQuery);