view NCBI Blast reference example_files/toggle.js @ 120:2729c2326235

Fix for Rikilt issue 13 Hit e-value and identity% should be taken from the hsp with the highest bit score. Previously each of these values was calculated independently. Also use arrays for cover calculation instead of python lists and refactor the hit_info() code a bit.

Toggle = function(node) {
   this.init(node);
}

/**
* @class Creates a  new Toggle class with "node" as src
* @return Reutrns a new toggle instance
*/
Toggle.prototype = {
   
   init: function(node) {

      // Subclass instance?
      if (typeof(arguments[0]) == 'undefined') return;

      var oThis = this;
      this.node = node;

      // Initialize "showing" variable based on presence of "showing" or
      // "hiding" class. If neither, then showing. Be sure class is
      // set to reflect variable value
      node.showing =
         utils.hasClass(node, "showing") || !utils.hasClass(node, "hiding");
      utils.addClass(node, node.showing ? "showing" : "hiding");
   
      // Set notifier for node
      utils.addEvent(node, "click", function(e) {
         e = e || window.event;
         utils.preventDefault(e);

         var theNode = utils.getTargetObj(e);

         // Send message to global notifier, if one exists
         if (typeof(Notifier) != 'undefined') {
            var notifier = Notifier.getInstance();            
            // Notify before change
            notifier.Notify(oThis, "change:" + theNode.id, !this.showing);
         }

         // Hide or show based on current state
         if (this.showing) {
             oThis.hide();
         } else {
             oThis.show();
         }

      }, false);
      
      utils.addEvent(node, "selectstart", function(e) { utils.preventDefault(e); }, true);
      utils.addEvent(node, "drag", function(e) { utils.preventDefault(e); }, true);

      // Cache "this" for ID lookup
      if (!node.id) {
          node.id = utils.createNewId();
      }
      var m = Toggle.getSrcs();
      m[node.id] = this;
   },

   // Hide targets, and set self to hiding.
   hide: function() {
       var oThis = this;

       oThis.setHiding();
       if (oThis.listeners) {
           forEach(oThis.listeners, function(l) {
               oThis.hideTarget(l);
           });
       }
   },

   // Show targets, and set self to showing.
   show: function() {
       var oThis = this;

       oThis.setShowing();
       if (oThis.listeners) {
           forEach(oThis.listeners, function(l) {
               oThis.showTarget(l);
           });
       }
   },

   // Set own presentation to "showing"
   setShowing: function() {
       utils.addClass(this.node, "showing");
       utils.removeClass(this.node, "hiding");
       this.node.showing = true;
   },

   // Set own presentation to "hiding"
   setHiding: function() {
       utils.addClass(this.node, "hiding");
       utils.removeClass(this.node, "showing");
       this.node.showing = false;
   },

   // Show a target
   showTarget: function(l) {
       utils.addClass(l, "shown");
       utils.removeClass(l, "hidden");
   },

   // Hide a target
   hideTarget: function(l) {
      utils.addClass(l, "hidden");
      utils.removeClass(l, "shown");
   },

   // Add a target to this toggle.
   add: function(target) {
      if (!this.listeners) {
          this.listeners = new Array();
      }
      this.listeners[this.listeners.length] = target;

      if (utils.hasClass(target, "hidden")) {
        this.setHiding();
        this.node.showing = false;
      } else {
        this.setShowing();
        this.node.showing = true;
      }
   }
}

// Show/hide a "target" (a node controlled by the node with the given ID)
Toggle.addTarget = function(srcid, target) {
   var tn = Toggle.findOrMake(srcid);
   tn.add(target);
}

// Assoc array of srcs indexed by their ids
Toggle.getSrcs = function() {
   if (!Toggle.srcs) {
      Toggle.srcs = new Object();
   }
   return Toggle.srcs;
}

// Find or make toggle for given id
Toggle.findOrMake = function(srcid) {
   var ts = Toggle.getSrcs();
   var tn = ts[srcid];
   if (!tn) {
      tn = new Toggle($(srcid));
   }
   return tn;
}

// This dispatches the call to Toggle.onload, which may be
// overridden by instances (subclasses)
Toggle._onload = function() {
   Toggle.onload();
}

// A toggle source node controls other nodes that reference it by id using
// their toggle= attribute. A node may be both a toggle source and destination.
Toggle.onload = function() {
//alert("toggle start");
   if(utils.hasClass(document.body,"noToggleCheck")) return;
      
   shnodes = jQuery("[toggle]");
   // Now hook up dst nodes
   forEach(shnodes, function(node) {
      // Link toggle node to its source
      var srcid = node.getAttribute("toggle");
      Toggle.addTarget(srcid, node);
   });
    //alert("toggle 2 end");
}

utils.addEvent(window, 'load', Toggle._onload, false);