//---------------------------------------------------------------------------------------------------------------------------
// gis_comm V3
// javascript functions for js-to-flash communications
// deeplink/browser-history support added
//
//---------------------------------------------------
//get a hook to the onload event
function startComm() {
// todo: trigger embedded flash object to search for map/edit application
window.status = "parm: "+readValue("_level0:isConnected");
sendMessage( 'connect');
if ( go_onload != undefined) go_onload();
}
var go_onload = window.onload;
// window.onload = startComm;
if ( isOpera()) history.navigationMode = 'compatible';
//----------------------------------------------------
// deep-link handling
// called from flash to set #hash-value
function updateHash( dl) {
// window.status = "dl: "+dl;
if ( dl != window.location.hash) {
lastLoco = '#'+dl;
makeAnchor( dl);
window.location.hash = dl;
createHistoryHTML( dl);
// window.status = "sX: "+dl+" / "+window.location.hash;
}
}
// making a named anchor
var lastLink = '';
function makeAnchor(str) {
if ( isIE()) return;
if (str != null && str.length > 0 && lastLink != str) {
var view_anchor = document.createElement('A');
view_anchor.setAttribute('id', str);
view_anchor.setAttribute('name', str);
view_anchor.innerHTML = str;
var hf = window.frames[ 'hist_frame'];
var container = hf.document.body;
if (container != null) {
container.appendChild(view_anchor);
container.appendChild( document.createElement('br'));
}
lastLink = str;
}
}
// creating a frame with a javascript function
function createHistoryHTML( newHash) {
if ( !isIE()) return;
var histFrame = document.frames[ 'hist_frame'];
histFrame.document.open('text/html');
histFrame.document.write(''+newHash+'');
histFrame.document.close();
}
// method used by ff to check for a changed #hash
var lastLoco = window.location.hash;
function checkHash() {
if ( window.location.hash != lastLoco) {
lastLoco = window.location.hash;
setDeepLink( lastLoco.substr( 1));
}
setTimeout( checkHash, 200);
}
// method used by IE to set dl-position
function histLink( lnk) {
if ( window.location.hash == lnk) return;
lastLoco = lnk;
window.location.hash = lnk;
setDeepLink( lnk.substr( 1));
}
// unified function to send flash to a deeplink
function setDeepLink( lnk) {
// alert( "lnk: "+lnk);
sendMessage( '_level1.deepLink', lnk);
window.status = "deepLink: "+lnk;
}
//---------------------------------------------------
// added fix for opera
function isIE() {
// alert( "app: "+navigator.appName+"ua: "+navigator.userAgent);
return (navigator.appName.indexOf("Microsoft") != -1) && (navigator.userAgent.indexOf("Opera") == -1) && (navigator.userAgent.indexOf("Safari") == -1);
}
function isOpera() {
// alert( "app: "+navigator.appName+"ua: "+navigator.userAgent);
return (navigator.appName.indexOf("Microsoft") != -1) && (navigator.userAgent.indexOf("Opera") != -1);
}
function isSafari() {
// alert( "app: "+navigator.appName+"ua: "+navigator.userAgent);
return ( navigator.userAgent.indexOf("Safari") != -1);
}
// tell flash to use getURL or fscommand
function jsCommMode() {
// opera doesn't support fscommand
return 'jsMode='+( isOpera() ? 'GET' : 'FSC');
}
//--------------------------------------------------
// communication with flash
var fName = 'regio';
function sendMessage( fvar, mesg) {
if ( isIE()) window.document[ fName].SetVariable( fvar, mesg);
else {
if ( isSafari()) {
var histFrame = document.frames[ 'safari_frame'];
histFrame.document.open('text/html');
histFrame.document.write('');
histFrame.document.write( getEmbed( 'viacom_post.swf', 'vcpost', 'cid=local&'+document.location.hash.substr( 1), '80', '30'));
histFrame.document.write('');
histFrame.document.close();
} else window.document.embeds[ fName].SetVariable( fvar, mesg);
}
}
function readValue( parm) {
if ( isIE()) return window.document[ fName].GetVariable( parm);
else return window.document.embeds[ fName].GetVariable( parm);
}
//---------------------------------------------------------------------------
// handling flash embedding
// write to actual page
function createEmbed( obj, fName, parmlist, w, h) {
document.write( getEmbed( obj, fName, parmlist, w, h));
}
function getEmbed( obj, fName, parmlist, w, h) {
var temp = '';
if (navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length) {
temp += '';
} else {
temp += '';
}
return temp;
}
function writeEmbed( elementId, obj, fName, parmlist, w, h, relocateURL){
var rc = versionIsValid( getPlayerVersion(), '7.0.0');
if( rc){
var n = (typeof elementId == 'string') ? document.getElementById(elementId) : elementId;
n.innerHTML = getEmbed( obj, fName, parmlist, w, h);
return true;
} else {
// alert( "rc: "+rc);
if ( relocateURL != null) document.location.replace( relocateURL);
}
return false;
}
/* ---- detection functions ---- */
function getPlayerVersion(){
var PlayerVersion = '0.0.0';
if(navigator.plugins && navigator.mimeTypes.length){
var x = navigator.plugins["Shockwave Flash"];
if( x && x.description) {
PlayerVersion = x.description.replace(/([a-zA-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".");
}
}else{
// do minor version lookup in IE, but avoid fp6 crashing issues
// see http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/
try{
var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
}catch(e){
try {
var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
PlayerVersion = '6.0.21';
axo.AllowScriptAccess = "always"; // throws if player version < 6.0.47 (thanks to Michael Williams @ Adobe for this code)
} catch(e) {
if ( getMajor( PlayerVersion) == 6) {
return PlayerVersion;
}
}
try {
axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
} catch(e) {}
}
if (axo != null) {
PlayerVersion = axo.GetVariable("$version").split(" ")[1].replace(/,/g, ".");
}
}
return PlayerVersion;
}
function getMajor( vstr) {
var f = vstr.split('.');
return f[0];
}
function versionIsValid( fv, ck) {
var f = fv.split('.');
var c = ck.split('.');
// alert( "cmp-ing versions:\n"+f.join('#')+"\n"+c.join('#'));
if ( parseInt( f[0]) < parseInt( c[0])) return false;
if ( parseInt( f[0]) > parseInt( c[0])) return true;
if ( parseInt( f[1]) < parseInt( c[1])) return false;
if ( parseInt( f[1]) > parseInt( c[1])) return true;
if ( parseInt( f[2]) < parseInt( c[2])) return false;
return true;
}
//-->
// script ends----------------------------------------------