/*
This file is part of Massive Comprehension Machine
by Lot Amorós
http://mcm.feenelcaos.org

Massive Comprehension Machine is free software:
you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License.

Massive Comprehension Machine 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with Massive Comprehension Machine.  If not, see <http://www.gnu.org/licenses/>.

One part of this code is based on the book Visualizing Data from Ben Fry.
*/

class Node{
  float x, y;
  float dx, dy;
  boolean fixed;                       //True if the node is fixed with the mouse
  boolean searched;                    //True if is the node searched
  String label;                        //The word stemmed
  float count;                         //Number of words found
  String originalLabel;                //The original label of the word (not stemmed)
  ArrayList contexts;                  //List of texts when the word are founded
  boolean near;                        //True if the node is a near ot the node searched

  
  Node(String stemLabel,String label, String context,int _x, int _y, int sizeX, int sizeY) {
    this.label = new String(stemLabel);
    this.originalLabel = new String(label);
    this.contexts = new ArrayList();
    contexts.add(context);
    this.searched = false;
    this.near = false;
    x = random(_x,_x+sizeX);
    y = random(_y,_y+sizeY);
  }

  void increment() {
    count++;
  }


  void draw() {
    float closest = 5;
    float d = dist(mouseX, mouseY, x, y);            //Distance between mouse and node
    color nCol;                                      //Color for draw the node
    
    if ((d-(zoom+count)/2 < closest) && (count+zoom >= filtro)){
        nCol = selectColor;
        mouseOver = true;
    }
    else{
        nCol = nodeColor;
    }

    if (fixed)
        nCol = fixedColor;
        
    stroke(0);
    strokeWeight(0.5);

    if (searchMode){                                //If the machine is in searchmode only shows the node searched and near nodes
        if (zoomMode && this.searched)
          drawNode(nCol);
          
        else
        if (this.near || this.searched)
        if (count+zoom >= filtro) {
          drawNode(nCol);
        }
    }
    else{                                           //Normal mode
    if (count+zoom >= filtro) {
        drawNode(nCol);
    }
    }
  }
  
  void drawNode(color nCol){
       fill(nCol);
       strokeWeight(1);
       ellipse(x, y, count+zoom, count+zoom);
       fill(#000000);
       textAlign(CENTER,CENTER);
       

       textFont(font, count+zoom+2);           //Print Shadow
       text(originalLabel, x, y);
       
       fill(#FFFFFF);
       textFont(font, count+zoom);
       text(originalLabel, x, y);            //Print label

   }
  
}