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## Node.js

#### Summary

No overview generated for 'Node.js'

Class Summary
draw2d.Node | A Node is the base class for all figures which can have draw2d.Ports.

    /* This notice must be untouched at all times.

    Open-jACOB Draw2D
    The latest version is available at
    http://www.openjacob.org

    Copyright (c) 2006 Andreas Herz. All rights reserved.
    Created 5. 11. 2006 by Andreas Herz (Web: http://www.freegroup.de )

    LICENSE: LGPL

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License (LGPL) as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA,
    or see http://www.gnu.org/copyleft/lesser.html
    */

    /**
     * @class A Node is the base class for all figures which can have {@link draw2d.Port}s. A {@link draw2d.Port} is the
     * anchor for a {@link draw2d.Connection} line.<br><br><b>Hint:</b> A {@link draw2d.Port} is a green dot which can be draged and droped over another port.<br>
     *
     * @version 0.9.14
     * @author Andreas Herz
     * @constructor
     */
    draw2d.Node=function()
    {
      /** @private **/
      this.bgColor = null;
      /** @private **/
      this.lineColor = new  draw2d.Color(128,128,255);
      /** @private **/
      this.lineStroke=1;
      /** @private*/
      this.ports = new draw2d.ArrayList();
      draw2d.Figure.call(this);
    }

    draw2d.Node.prototype = new draw2d.Figure;
    /** @private **/
    draw2d.Node.prototype.type="Node";

    /**
     * @private
     **/
    draw2d.Node.prototype.dispose=function()
    {
      for(var i=0;i<this.ports.getSize();i++)
      {
         this.ports.get(i).dispose();
      }
      this.ports = null;
      draw2d.Figure.prototype.dispose.call(this);
    }

    /**
     * @private
     **/
    draw2d.Node.prototype.createHTMLElement=function()
    {
        var item =draw2d.Figure.prototype.createHTMLElement.call(this);
        item.style.width="auto";
        item.style.height="auto";
        item.style.margin="0px";
        item.style.padding="0px";
        if(this.lineColor!=null)
          item.style.border= this.lineStroke+"px solid "+this.lineColor.getHTMLStyle();
        item.style.fontSize="1px";
        if(this.bgColor!=null)
          item.style.backgroundColor=this.bgColor.getHTMLStyle();
        return item;
    }

    /**
     * @private
     **/
    draw2d.Node.prototype.paint=function()
    {
      draw2d.Figure.prototype.paint.call(this);

      for(var i=0;i<this.ports.getSize();i++)
      {
         this.ports.get(i).paint();
      }
    }

    /**
     * Return all ports of the node.
     *
     * @type  draw2d.ArrayList
     **/
    draw2d.Node.prototype.getPorts=function()
    {
      return this.ports;
    /*
      var result = new Array();
      for(var i=0;i<this.ports.getSize();i++)
      {
         result.push(this.ports.get(i));
      }
      return result;
    */
    }

    /**
     * Return the port with the corresponding name.
     * @see draw2d.Port#getName
     * @see draw2d.Port#setName
     *
     * @param {String} portName The name of the port to return.
     * @return Returns the port with the hands over name or null.
     * @type draw2d.Port
     **/
    draw2d.Node.prototype.getPort= function(/*:String*/ portName)
    {
      if(this.ports==null)
        return null;
      for(var i=0;i<this.ports.getSize();i++)
      {
       var port = this.ports.get(i);
       if(port.getName() == portName)
          return port;
      }
    }

    /**
     *
     * @param {draw2d.Port} port The new port to add.
     * @param {int}  x The x position.
     * @param {int}  y The y position.
     **/
    draw2d.Node.prototype.addPort=function(/*:draw2d.Port*/ port, /*:int*/ x, /*:int*/y)
    {
      this.ports.add(port);
      port.setOrigin(x,y);
      port.setPosition(x,y);
      port.setParent(this);
      // You can't delete a port with the [DEL] key if a port is a child of a node
      //
      port.setDeleteable(false);
      this.html.appendChild(port.getHTMLElement());
      if(this.workflow!=null)
      {
        this.workflow.registerPort(port);
      }
      // first initial paint
    //  port.paint();
    }

    /**
     * @param {draw2d.Port} port The port to remove.
     *
     **/
    draw2d.Node.prototype.removePort=function(/*:draw2d.Port*/ port)
    {
      if(this.ports!=null)
        this.ports.removeElementAt(this.ports.indexOf(port));
      try
      {
        this.html.removeChild(port.getHTMLElement());
      }
      catch(exc)
      {
        // es kann sein, dass es noch nicht eingehängt wurde
      }
      if(this.workflow!=null)
        this.workflow.unregisterPort(port);
    }

    /**
     * @private
     **/
    draw2d.Node.prototype.setWorkflow= function(/*:draw2d.Workflow*/ workflow)
    {
      var oldWorkflow = this.workflow;
      draw2d.Figure.prototype.setWorkflow.call(this,workflow);

      if(oldWorkflow!=null)
      {
          for(var i=0;i<this.ports.getSize();i++)
          {
             oldWorkflow.unregisterPort(this.ports.get(i));
          }
      }

      if(this.workflow!=null)
      {
          for(var i=0;i<this.ports.getSize();i++)
          {
             this.workflow.registerPort(this.ports.get(i));
          }
      }
    }

    /**
     * Set the background color of the node.
     *
     * @param {draw2d.Color} color
     **/
    draw2d.Node.prototype.setBackgroundColor= function(/*:draw2d.Color*/ color)
    {
      this.bgColor = color;
      if(this.bgColor!=null)
        this.html.style.backgroundColor=this.bgColor.getHTMLStyle();
      else
        this.html.style.backgroundColor="transparent";
    }

    /**
     * Get the background color of the node.
     *
     * @type draw2d.Color
     **/
    draw2d.Node.prototype.getBackgroundColor= function()
    {
      return this.bgColor;
    }

    /**
     * @see draw2d.Figure#setBorder
     * @deprecated
     **/
    draw2d.Node.prototype.setColor= function(/*:draw2d.Color*/ color)
    {
      this.lineColor = color;
      if(this.lineColor!=null)
         this.html.style.border= this.lineStroke+"px solid "+this.lineColor.getHTMLStyle();
      else
         this.html.style.border= "0px";
    }

    /**
     * @deprecated
     **/
    draw2d.Node.prototype.setLineWidth=function(/*:int*/ w)
    {
      this.lineStroke=w;
      if(this.lineColor!=null)
         this.html.style.border= this.lineStroke+"px solid "+this.lineColor.getHTMLStyle();
      else
         this.html.style.border= "0px";
    }

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Documentation generated by JSDoc on Thu Feb 7 23:45:47 2008