/***************
 ** Variables **
 ***************/

var cObject = new aprsOBJECT();
var objectMarkers = new Array();
var objectSymbol = new Object();
var numObjects = 0;
var killObject = false;

/**
 * aprsOBJECT::Toggle
 * 
 * Toggle tools functionality.
 * 
 */
function toggleOBJECT() {
   
  if (!cObject.isON()) {
    if (killObject)
      toggleKILL();

    if (cRuler.isON())
      toggleRULER();

    if (!isHidden('viewOverlay'))
      toggleVIEW();

    doPause('openaprs_form_pause');
    changeById('toolStatusOverlayMessage', 'Click on the map to create an object');
    showWindow('toolsOverlay');
    showWindow('toolStatusOverlay');
    showControl('controlCREATE', 'on');
    cObject.ON();
    map.disableDoubleClickZoom();
  } // if  
  else {
    showControl('controlCREATE', 'off');
    createObject = false;

    if (!cRuler.isON())
      unPause('openaprs_form_pause');

    cObject.OFF();    
    map.enableDoubleClickZoom();
  } // else
  
  return;
} // toggleOBJECT

/**
 * aprsOBJECT::Toggle
 * 
 * Toggle tools functionality.
 * 
 */
function toggleKILL() {

  if (!killObject) {
    if (cObject.isON())
      toggleOBJECT();

    if (cRuler.isON())
      toggleRULER();

    showWindow('killObjectOverlay');
    showControl('controlKILL', 'on');
    killObject = true;
  } // if  
  else {
    showControl('controlKILL', 'off');
    hideWindow('killObjectOverlay');
    killObject = false;
  } // else
  
  return;
} // toggleOBJECT

/**
 * clearOBJECTS
 * 
 * Clears all created objects.
 * 
 */
function clearOBJECTS() {
  cObject.Clear();
  
  return;
} // clearOBJECTS

function aprsOBJECT() {
  this.markers = new Array();
  this.handles = new Array();
  this.on = false;
} // aprsOBJECT::Constructor

aprsOBJECT.prototype.ON = function() {
  if (this.on)
    return;

  this.on = true;
  var handle;

  handle = GEvent.addListener(map, 'click', function(overlay, pnt) {
    if (!pnt)
      return;

    var baseIcon = new GIcon();
    baseIcon.iconSize = new GSize(32,32);
    baseIcon.iconAnchor = new GPoint(16,16);
    baseIcon.infoWindowAnchor = new GPoint(10,0);
    baseIcon.shadow = "http://www.openaprs.net/images/icons/shadow.png";

    var objectIcon = (new GIcon(baseIcon, "/images/icons/object.png"));
    var marker = new GMarker(pnt, { icon:objectIcon, draggable: true });
    var numObject = numObjects;

    GEvent.addListener(marker, "drag", function() {
      pnt = marker.getPoint();
      changeById('toolStatusOverlayMessage', 'DRAG OBJECT: ' +pnt.lat().toFixed(6)+','+pnt.lng().toFixed(6));
      marker.closeInfoWindow();
    });

    GEvent.addListener(marker, "click", function() {
      //marker.openInfoWindowHtml(this.html);
      doIcons(marker, numObject);
      changeById('toolStatusOverlayMessage', 'OBJECT: CLICK ON A SYMBOL TO CONTINUE');
    });

    GEvent.addListener(marker, "dblclick", function() {
      var new_markers = new Array();
      for(m in objectMarkers) {
        if (objectMarkers[m] == marker)
          continue;

        new_markers.push(objectMarkers[m]);
      } // for

      numObjects--;
      map.removeOverlay(marker);
      changeById('toolStatusOverlayMessage', 'OBJECT: CLEARED');
    });

    numObjects++;
    objectMarkers.push(marker)
    map.addOverlay(marker);

    changeById('toolStatusOverlayMessage', 'OBJECT: CLICK ON AN OBJECT TO SET SYMBOL AND SEND');

  }); // function

  this.handles.push(handle);

} // aprsOBJECT::ON

aprsOBJECT.prototype.isON = function() {
  return this.on;
} // aprsOBJECT::isON

aprsOBJECT.prototype.Clear = function() {

  for(m in objectMarkers) {
     map.removeOverlay(objectMarkers[m]);
  } // for

  numObjects = 0;
  objectMarkers = new Array()

  return;
} // aprsOBJECT::Clear

aprsOBJECT.prototype.OFF = function() {
  if (!this.on)
    return false;

  for(h in this.handles)
    GEvent.removeListener(this.handles[h]);

  this.handles = new Array();
  this.on = false;

  return true;
} // aprsOBJECT::OFF

/** 
 * doIcons
 *
 * Load's a help article into the help window.
 *
 */   
aprsOBJECT.prototype.setIcon = function(id, icon, icon_id) {
  var baseIcon = new GIcon();
  baseIcon.iconSize = new GSize(32,32);
  baseIcon.iconAnchor = new GPoint(16,16);
  baseIcon.infoWindowAnchor = new GPoint(10,0);
  baseIcon.shadow = "http://www.openaprs.net/images/icons/shadow.png";

  var objectIcon = (new GIcon(baseIcon, icon));

  objectMarkers[id].setImage(icon);
  objectSymbol[id] = icon_id;

  hideWindow('objectICONS'+id);
  showWindow('objectFORM'+id);

  changeById('toolStatusOverlayMessage', 'OBJECT: FILL OUT FORM AND CLICK CREATE OBJECT');

  return;
} // aprsOBJECT::setIcon

/** 
 * doIcons
 *
 * Load's a help article into the help window.
 *
 */   
function doIcons(marker, numObject) {
  var request = createXMLHttpRequest();
  var html = "<div id=\"markerMessage"+numObject+"\" class=\"markerMessage\"><b>Loading Icons</b><br /><br /><img src=\"http://www.openaprs.net/images/updating.gif\" width=\"24\" height=\"24\" /></div>";

  marker.openInfoWindowHtml(html);

  var queryString = "/ajax/object/icons.php?q="+numObject;
  
  request.open("GET", queryString, true);
  request.onreadystatechange = function() {
    if (request.readyState == 4) {
      var xmlDoc = request.responseXML;
 

      var retData = new Array();
      xmlArray("/openaprs/reply", xmlDoc, retData);
      for (i=0; i < retData.length; i++) {
        var html = "<div id=\"markerMessage"+numObject+"\" class=\"markerMessage\">"+retData[i]["message"]+"</div>";

        GEvent.addListener(marker, "click", function() {
           marker.openInfoWindowHtml(html);
        });

        changeById('markerMessage'+numObject, retData[i]["message"]);
      } // for
    } // if
  
  } // function()
    
  request.send(null);
} // doIcons

/** 
 * doCreateObject
 *
 * Load's a help article into the help window.
 *
 */
function doCreateObject(id) {
  var request = createXMLHttpRequest();

  if (!loggedIn) {
    changeById('aprsOBJECT:Error:'+id, 'You must be logged in to use this feature.');
    return;
  } // if

  // reset error fields
  changeById('aprsOBJECT:Error:'+id, '');
  changeById('aprsOBJECT:Error:Name:'+id, '');
  changeById('aprsOBJECT:Error:Destination:'+id, '');
  changeById('aprsOBJECT:Error:ASC:'+id, '');
  changeById('aprsOBJECT:Error:Beacon:'+id, '');
  changeById('aprsOBJECT:Error:Life:'+id, '');
  changeById('aprsOBJECT:Error:Status:'+id, '');

  /**
   * Default Variables
   *
   * Span through the possible field values
   * and set our variable list accordingly.
   *
   */
  var ids = {
    "n": "aprsOBJECT:Form:Name:"+id,
    "d": "aprsOBJECT:Form:Destination:"+id,
    "c": "aprsOBJECT:Form:Course:"+id,
    "spd": "aprsOBJECT:Form:Speed:"+id,
    "a": "aprsOBJECT:Form:Altitude:"+id,
    "b": "aprsOBJECT:Form:Beacon:"+id,
    "o": "aprsOBJECT:Form:Overlay:"+id,
    "bl": "aprsOBJECT:Form:Life:"+id,
    "s": "aprsOBJECT:Form:Status:"+id
  }

  var dfts = {
    "n": "",
    "d": "APRS",
    "c": "0",
    "spd": "0",
    "a": "0",
    "b": "0",
    "o": "",
    "bl": "0",
    "s": ""
  }

  pnt = objectMarkers[id].getPoint();

  var var_list = createURI(document, false, ids, dfts);

  var queryString = "/ajax/object/do.php?m="+id+"&h="+seed+"&lat="+pnt.lat()+"&lon="+pnt.lng()+"&sym="+objectSymbol[id]+var_list;

  disableField('aprsOBJECT:Form:Submit:'+id);
  
  request.open("GET", queryString, true);
  request.onreadystatechange = function() {
    if (request.readyState == 4) {
      var xmlDoc = request.responseXML;
 

      var retData = new Array();
      xmlArray("/openaprs/reply", xmlDoc, retData);
      for (i=0; i < retData.length; i++) {
        if (retData[i]["done"] == "yes")
          changeById('objectFORM'+id, retData[i]["response"]);
        else {
          if (retData[i]["field"] != 'aprsOBJECT:Error:'+id)
            changeById('aprsOBJECT:Error:'+id, 'There was an error processing your request.');

          changeById(retData[i]["field"], retData[i]["response"]);
        } // else
      } // for

      enableField('aprsOBJECT:Form:Submit:'+id);
    } // if
  
  } // function()
    
  request.send(null);
} // doCreateObject

/** 
 * doKillObject
 *
 * Load's a help article into the help window.
 *
 */
function doKillObject(id) {
  var request = createXMLHttpRequest();

  if (!loggedIn) {
    changeById('aprsOBJECT:Error', 'You must be logged in to use this feature.');
    return;
  } // if

  // reset error fields
  changeById('aprsOBJECT:Error', '');
  changeById('aprsOBJECT:Error:Name', '');

  /**
   * Default Variables
   *
   * Span through the possible field values
   * and set our variable list accordingly.
   *
   */
  var ids = {
    "n": "aprsOBJECT:Form:Name"
  }

  var dfts = {
    "n": ""
  }

  var var_list = createURI(document, false, ids, dfts);

  var queryString = "/ajax/object/kill.php?h="+seed+var_list;

  disableField('aprsOBJECT:Form:Submit');
  
  request.open("GET", queryString, true);
  request.onreadystatechange = function() {
    if (request.readyState == 4) {
      var xmlDoc = request.responseXML;
 

      var retData = new Array();
      xmlArray("/openaprs/reply", xmlDoc, retData);
      for (i=0; i < retData.length; i++) {
        if (retData[i]["done"] == "yes")
          changeById('killObjectContainer', retData[i]["response"]);
        else {
          if (retData[i]["field"] != 'aprsOBJECT:Error')
            changeById('aprsOBJECT:Error', 'There was an error processing your request.');

          changeById(retData[i]["field"], retData[i]["response"]);
        } // else
      } // for

      enableField('aprsOBJECT:Form:Submit');
    } // if
  
  } // function()
    
  request.send(null);
} // doKillObject