Subversion Repositories ALCASAR

/* 

Copyright: Paul Hanlon

version 2009-06-22+statefix+spanfix+altfix+undefinedfix+ie6cachefix+multilinefix+divfix

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:not(.collapsed)").filter(":even").addClass("even").removeClass("odd").end().filter(":odd").removeClass("even").addClass("odd");

      }

	},

    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;

      if (mp!==undefined) 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 + '<span class="treeimg" style="background-image: url(\''+pre+'\')"><div style="background-image: url(\''+img+'\')" class="parimg" id="'+tid+ro+'"'+(img=(y==yl-1)? ' last=1': '')+'></div></span>';

          pref = preStr + '<span class="treeimg preimg" style="background-image: url(\''+pre+'\')"></span>';

          arguments.callee(ro, pref);

        }else{//it's a child

          pre=(y==yl-1)? opts.blankImg: opts.vertLineImg;

          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 + '<span class="treeimg" style="background-image: url(\''+pre+'\')"><div style="background-image: url(\''+img+'\')" class="ttimage" id="'+tid+ro+'"></div></span>';

        }

      }

    },

    expandKids = function(num, last){//Expands immediate children, and their uncollapsed children

      jq("#"+tid+num).css('background-image', "url('"+((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

    if (mapa[num]){

        jq("#"+tid+num).css('background-image', "url('"+((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||[];

  	},

    cset = function (n,v) {

  		v = arrUniq(v);

	  	document.cookie = n+"="+v.join("|")+";";

	},

    arrUniq = function(a) {/* http://www.shamasis.net/2009/09/fast-algorithm-to-find-unique-items-in-javascript-array/ */

      var o = {}, i, l = a.length, r = [];

      for(i=0; i<l;i++) o[a[i]] = a[i];

        for(i in o) r.push(o[i]);

          return r;

	};

    try { //ie6 flickering fix

      document.execCommand("BackgroundImageCache", false, true);

    } catch(err) {}

	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("tbody tr", this).each(function(i){//Inject the images into the column to make it work

      jq(this).children("td").eq(opts.column).children("div").prepend(mapb[i]);

    });

    if(opts.state) collarr = cget(tid);

    if (!collarr.length){

        if(opts.collapse.constructor == Array) {

            collarr=collarr.concat(opts.collapse);

            if ((collarr.length) && (opts.state)){

                 cset(tid,collarr);

            }

        }

    }

    if (collarr.length){

        for (var y=0,yl=collarr.length;y<yl;y++){

            collapseKids(collarr[y], $("#"+tid+collarr[y]+ ".parimg").attr("last")==1);

        }

    }

    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("last")==1);//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("last")==1);

          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);