Team:Vanderbilt/Page

From 2014.igem.org

Revision as of 19:54, 25 January 2015

/**

* Created by Anna Hwang on 1/15/2015.
*/

document.getElementById("igem_header").innerHTML = "page.js reached";

var leftPage = document.getElementById("left_page"); var rightPage = document.getElementById("right_page");

var leftButton = document.getElementById("left_button"); var rightButton = document.getElementById("right_button");

/**@class Page

* @description A class in charge of creating, updating, and destroying pages between page turns.
* @param pageNum: the page number of the page (e.g. Home = 1, Team = 2, ...)
* **/

function Page(pageNum) {

   document.getElementById("igem_header").innerHTML = "reached Page constr: 1";
   var subPageNum = 1;
   var builder = myBuilder; //defined in script of page
   var maxSubPage = builder.getMaxSubPage();

   this.destroyPage = function() {
       while(leftPage.hasChildNodes()) {
           leftPage.removeChild(leftPage.childNodes[0]);
       }
       while(rightPage.hasChildNodes()) {
           rightPage.removeChild(rightPage.childNodes[0]);
       }
   };

   this.turnPage = function(dir) {
       subPageNum += dir;
       this.destroyPage();
       builder.createSubPage(subPageNum);
   };

   this.getSubPageNum = function () {
       return subPageNum;
   };

   this.getMaxSubPage = function() {
       return maxSubPage;
   };

}

var thisPage = new Page(thisPageNum); thisPage.turnPage(0);

/**@description These functions cause the Buttons on the page to change the SubPage when clicked.**/ leftButton.onclick=function(){

   thisPage.turnPage(-1);
   updateButtons(thisPage.getSubPageNum());

};

rightButton.onclick=function(){

   thisPage.turnPage(1);
   updateButtons(thisPage.getSubPageNum());

};

function updateButtons(subPageNum) {

   document.getElementById("igem_header").innerHTML = "reached updateButtons";
   if(subPageNum == 1) {
       leftButton.style.visibility = "hidden";
       rightButton.style.visibility = "visible";
   }
   else if(subPageNum == thisPage.getMaxSubPage()) {
       leftButton.style.visibility = "visible";
       rightButton.style.visibility = "hidden";
   }
   else {
       leftButton.style.visibility = "visible";
       rightButton.style.visibility = "visible";
   }

}