/*
 *         developed by Matteo Bicocchi on JQuery
 *         2002-2008 Open Lab srl, Matteo Bicocchi
 *			    www.open-lab.com - info@open-lab.com
 *       	version 1.0
 *       	tested on: 	Explorer and FireFox for PC
 *                  		FireFox and Safari for Mac Os X
 *                  		FireFox for Linux
 *         GPL (GPL-LICENSE.txt) licenses.
 */

jQuery.fn.init_mbTree = function(options) {
  return this.each (function () {
    var tree=this;
    this.options = {
      treeWidth:600,
      template:"/commons/layout/tree/partTreeDrawer.jsp",
      className:"mbTree",
      fade:true,
      imgPath:"",
      additionalData: "" ,
      setSelOnClick:false,
      multiSelection:false,
      additionalOnClickScript:function(){},
      selectedNodes:"",
      ancestors:"",
      indent:25,
      callBack:function(){}
    };

    $.extend (this.options, options);
    $(tree).css("width",this.options.treeWidth);
    tree.selectedNodes=$(this.options.selectedNodes.split(",")).unique();
    tree.ancestors=$(this.options.ancestors.split(",")).unique();
    $(tree).addClass(this.options.className);
    $(tree).children("tbody").children("tbody tr[id!='noResults']").each(function() {
      var node = $(this);
      this.tree=tree;
      node.init_mbNode();
    });
    if (this.options.ancestors!="") {
      $(tree).switch_mbNode();
 //      $(tree).get_mbSelectedNode();
//      $(tree).expandCollapsAll_mbNodes();
    }
    this.options.callBack();
  })
};

// initNodes
jQuery.fn.init_mbNode=function(parentNode) {
  var node=$(this);
  this.tree=node[0].tree;

  node.attr("idx",node.attr("id"));
  node.attr("id",$(this.tree).attr("id")+node.attr("id"));

  node.css("cursor", "default");
  node.addClass(parentNode?"":"root") ;
  if (this.tree.selectedNodes=="null" || this.tree.selectedNodes==''){
    this.tree.selectedNodes.push($(this.tree).find("tbody tr:first").attr("idx"));
    //this.tree.options.additionalOnClickScript(node);
  }

  var isSelected=($.inArray (node.attr("idx").toString(), this.tree.selectedNodes)>-1);
  var isAncestor=($.inArray (node.attr("idx").toString(), this.tree.ancestors)>-1);
  node.addClass(isSelected ?"selected":"");
  node.click(function(){
    if(this.tree.options.setSelOnClick)
      $(this).set_mbLastChoosenNodes();
    this.tree.options.additionalOnClickScript(node);
  });

  var cell = node.find("td:first");
  //cell.css({paddingRight:"50px",whiteSpace:"nowrap"});
  var padding=0 ;
  if (parentNode)
    padding=parseInt(parentNode.find("td:first").css("padding-left")) + this.tree.options.indent;
  cell.css("padding-left", padding + "px");
  cell.prepend('<span class="expander" selectNode="false">&nbsp;</span><span class="ico" selectNode="false">&nbsp;</span>');

  var ico = $(cell).find(".ico");
  ico.css("opacity",.7);
  if($(node).hasClass("isParent")){
    var expander = $(cell).find(".expander");
    expander.bind("click",function() {node.switch_mbNode();});
    ico.bind("click",function() { node.switch_mbNode();});
    if(this.tree.options.fade) {
      expander.bind("mouseover",function() { ico.css("opacity",1)}).bind("mouseout",function() { ico.css("opacity",.7)});
      ico.bind("mouseover",function() { ico.css("opacity",1)}).bind("mouseout",function() { ico.css("opacity",.7)});
    }
  }

  node.find("[selectNode='false']").bind("click",function(){return false;});
  node.find("[selectNode='select']").bind("click",function(){if (node.is(".selected")) return false;});
  
  if (isAncestor) {
    $(node).switch_mbNode();
//    $(node).expandCollapsAll_mbNodes();
    //node.switch_mbNode();
  }

  if(isSelected) {
    //this.tree.options.additionalOnClickScript(node);
  }

  node.bind("contextmenu", function(){
  showContextualMenu(eval($(node.children("td")[0]).attr('contextualMenu')), node.attr("idx"), $(this.tree).attr("idx"), '' , '' );
  return false;
  });
};

// Hide all children of a node.
jQuery.fn.collapse_mbNode=function() {
  var node=$(this);
  this.tree=node[0].tree;
  node.get_mbNodeChildren().each(function() {
    var child = $(this);
    child.collapse_mbNode();
    if(this.tree.options.fade)
      child.fadeOut(300);
    else
      child.hide();
  });
};

// Show all children of a node.
jQuery.fn.expand_mbNode=function() {
  var node=$(this);
  this.tree=node[0].tree;
  node.get_mbNodeChildren().each(function() {
    var child = $(this);
    if(child.is(".expanded.isParent"))
      child.expand_mbNode();
    if(this.tree.options.fade)
      child.fadeIn(300);
    else
      child.show();
  });
};

// Toggle a node
jQuery.fn.switch_mbNode= function() {
  var node=$(this);
  if(node.is(".collapsed")) {
    node.removeClass("collapsed");
    node.addClass("expanded");
    node.expand_mbNode();
  } else if(node.is(".expanded")){
    node.removeClass("expanded");
    node.addClass("collapsed");
    node.collapse_mbNode();
  } else if(node.is(".isParent") && ( node.not(".expanded") && node.not(".collapsed"))) {
    node.getAjax_mbNodeChildren();
    node.addClass("collapsed");
  }
};

jQuery.fn.expandCollapsAll_mbNodes= function(){
  var node=$(this);
  this.tree=node[0].tree;
  if (node.is(".isParent") && (node.is(".expanded") || node.is(".collapsed"))) {
    if (node.is(".collapsed")) node.removeClass("collapsed").addClass("expanded");
      node.expand_mbNode();

    node.get_mbNodeChildren().each(function(act) {
      $(this).expandCollapsAll_mbNodes(act);
    });

  } else if (node.is(".isParent") && (!node.is(".collapsed") && !node.is(".expanded"))){
    this.tree=node[0].tree;

    $.ajax({
      url: this.tree.options.template,
      cache: false,
      async: true,
      data:"node="+node.attr("idx")+"&JSPACT=DRAW_CHILDREN_BLOCK&unId="+$(this.tree).attr("id")+"&ts=1743580377135"+this.tree.options.additionalData,
      success: function(html){
        node.addClass("expanded");
        node.after(html);

        node.get_mbNodeChildren().each(function() {
          var childNode = $(this);
          this.tree = node[0].tree;
          childNode.init_mbNode(node);
          childNode.hide();
          if(this.tree.options.fade)
            childNode.fadeIn(300);
          else
            childNode.show();
          if (childNode.is(".isParent"))
            childNode.expandCollapsAll_mbNodes();
        });
      }
    });
  }
};

//get chidren via Ajax
jQuery.fn.getAjax_mbNodeChildren= function(){
  var node=$(this);
  this.tree=node[0].tree;
  node.find("td:first").prepend("<span class='loader'></span>");
  node.find(".loader").css("opacity",.5);
  $.ajax({
    url: this.tree.options.template,
    cache: false,
    async: true,
    data: "node="+node.attr("idx")+"&JSPACT=DRAW_CHILDREN_BLOCK&unId="+$(this.tree).attr("id")+"&ts=1743580377135"+this.tree.options.additionalData,
    success: function(html){
      node.after(html);

      node.get_mbNodeChildren().each(function() {
        this.tree = node[0].tree;
        var childNode = $(this);
        childNode.init_mbNode(node);
        childNode.hide();
      });
      node.switch_mbNode();
      node.find(".loader").fadeOut(300,function(){$(this).remove()});
    }
  });
};

jQuery.fn.get_mbSelectedNode= function(arrayIndex){
  var tree=$(this);
  if (tree[0].ancestors=="")
    return;
  arrayIndex= !arrayIndex ? 0 : arrayIndex;

  var actualNode=tree[0].ancestors[arrayIndex];
  var template=tree[0].options.template;
  var node=tree.find("[idx='"+actualNode+"']");
  arrayIndex++;
  node.find("td:first").prepend("<span class='loader'></span>");
  node.find(".loader").css("opacity",.5);

  $.ajax({
      url: template,
      cache: false,
      async: false,
      data: "node="+node.attr("idx")+"&JSPACT=DRAW_CHILDREN_BLOCK&unId="+$(this).attr("id")+"&ts=1743580377135"+tree[0].options.additionalData,
      success: function(html){
          node.after(html);
          tree.find("tr[parent='empty']").attr("parent",node.attr("id")) ;
          node.get_mbNodeChildren().each(function() {
            this.tree = node[0].tree;
            $(this).init_mbNode(node);
          });
          if (tree[0].ancestors[arrayIndex]){
            tree.get_mbSelectedNode(arrayIndex);
          }
          node.addClass("expanded");
          node.find(".loader").fadeOut(1000,function(){$(this).remove()});
      }
  });
} ;

//Utilities
jQuery.fn.select_mbNode= function() {
  $(this).click();
}  ;

jQuery.fn.unique=function() {
  var r = new Array();
  o:for(var i = 0, n = $(this).length; i < n; i++) {
      for(var x = 0, y = r.length; x < y; x++)
          if(r[x]==$(this)[i]) continue o;
      r[r.length] = $(this)[i];
  }
  return r;
} ;

jQuery.fn.isChildOf = function(b){
  return (this.parents(b).length > 0);
};

jQuery.fn.get_mbNodeChildren= function() {
  return $("tr[parent='" + $(this).attr('idx')+"']");
}  ;

jQuery.fn.get_mbNodeFirstChild = function() {
  return $("tr[parent='" + $(this).attr('idx')+"']:first");
};

jQuery.fn.get_mbNodeLastChild = function() {
  return $("tr[parent='" +$(this).attr('idx')+"']:last");
} ;

jQuery.fn.set_mbLastChoosenNodes = function() {
  var node=$(this);
  this.tree=node[0].tree;
  //todo add control on key pressed
  if(!this.tree.options.multiSelection) {
    $(this.tree).find(".selected").removeClass("selected");
      node.addClass("selected");
  } else{
    if (node.is(".selected")) node.removeClass("selected");
    else node.addClass("selected");
  }

  // this.tree.options.additionalOnClickScript(node);
  //console.log("stored node: "+node.attr("idx"));
  $.ajax({
    url: '/commons/layout/tree/ajaxSetLastNode.jsp',
    cache: false,
    async: true,
    type: "POST",
    data: 'setNid=yes&multi='+this.tree.options.multiSelection+'&nid='+node.attr("idx")+'&tui='+$(this.tree).attr("id"),
    success: function(html){
      //tree.lastChoosenNode=html;
    }
  });
} ;

function trace(arguments){
  if ($.browser.msie)
    alert(aguments)  ;
  else
    console.log(arguments)  ;
}