Lucene example source code file (fontsize.js)

This example Lucene source code file (fontsize.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lucene tags/keywords

date, date, nan, nan

The Lucene fontsize.js source code

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function init() 
{ //embedded in the doc
  //ndeSetTextSize();
}

function checkBrowser(){
  if (!document.getElementsByTagName){
    return true;
  }
  else{
    return false;
  }
}


function ndeSetTextSize(chgsize,rs) 
{
  var startSize;
  var newSize;

  if (!checkBrowser)
  {
    return;
  }

  startSize = parseInt(ndeGetDocTextSize());

  if (!startSize)
  {
    startSize = 16;
  }

  switch (chgsize)
  {
  case 'incr':
    newSize = startSize + 2;
    break;

  case 'decr':
    newSize = startSize - 2;
    break;

  case 'reset':
    if (rs) {newSize = rs;} else {newSize = 16;}
    break;

  default:
    try{
      newSize = parseInt(ndeReadCookie("nde-textsize"));
    }
    catch(e){
      alert(e);
    }
    
    if (!newSize || newSize == 'NaN')
    {
      newSize = startSize;
    }
    break;

  }

  if (newSize < 10) 
  {
    newSize = 10;
  }

  newSize += 'px';

  document.getElementsByTagName('html')[0].style.fontSize = newSize;
  document.getElementsByTagName('body')[0].style.fontSize = newSize;

  ndeCreateCookie("nde-textsize", newSize, 365);
}

function ndeGetDocTextSize() 
{
  if (!checkBrowser)
  {
    return 0;
  }

  var size = 0;
  var body = document.getElementsByTagName('body')[0];

  if (body.style && body.style.fontSize)
  {
    size = body.style.fontSize;
  }
  else if (typeof(getComputedStyle) != 'undefined')
  {
    size = getComputedStyle(body,'').getPropertyValue('font-size');
  }
  else if (body.currentStyle)
  {
   size = body.currentStyle.fontSize;
  }

  //fix IE bug
  if( isNaN(size)){
    if(size.substring(size.length-1)=="%"){
      return
    }

  }

  return size;

}



function ndeCreateCookie(name,value,days) 
{
  var cookie = name + "=" + value + ";";

  if (days) 
  {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    cookie += " expires=" + date.toGMTString() + ";";
  }
  cookie += " path=/";

  document.cookie = cookie;

}

function ndeReadCookie(name) 
{
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');

 
  for(var i = 0; i < ca.length; i++) 
  {
    var c = ca[i];
    while (c.charAt(0) == ' ') 
    {
      c = c.substring(1, c.length);
    }

    ctest = c.substring(0,name.length);
 
    if(ctest == name){
      return c.substring(nameEQ.length,c.length);
    }
  }
  return null;
}