Prototype Geoposition With GoogleMaps Polyline?
Mar 13, 2011
i have a project for school to create a web app that's using geolocation to recive the LatLong coordinates and draw a path in google maps using polylines. There are more features that we are going to implement but this is the one i need help with.What i need is to push into the array of the polyline the coordinates i get from geotraker.Use Chrome Browser, the other ones are not supported buy the geotraker.Try this in chrome and see if ur getting the coordinates The zipped files
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Oct 16, 2010
I'm trying to create a simple GoogleMaps site, to insert data into a SQL database for retreival later.I can pass all the information apart from the longitude and latitude values, and they just appear as '0' in my database.
Quote:
if (GBrowserIsCompatible()) {
var map = new GMap2(document.getElementById("map"));
map.enableGoogleBar();
[code].....
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Apr 8, 2009
I'm trying to get addresses from an XML doc and use them to populate a google map with markers. My problems are (A) markers don't show up when I first load the page, but if I return to the page they magically appear, angles sing and all is right with the world, and (B) Markers just flat out refuse to populate when using Firefox. My code is pretty simple and I'm just not understanding where I'm going wrong:seemlingly the offending code:
functin addMarkers(){
htt.open('get', 'phoneBook.xml', true);
http.send(null);
[code]....
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Oct 19, 2009
I would like to integrate google maps into Birt (which is a business intelligence framework with html reports). What I succeeded so far is to build an iframe which is calling an html which contains the googlemaps page, this looks like this:the iframe (which is part of my html report):
Code HTML4Strict:
<iframe src ="text.html" width="100%" height="300">
<p>Your browser does not support iframes.</p>
</iframe>
and the text.html which contains the google maps page:
Code HTML4Strict:
<html xmlns="h t t p : // w w w . w3 . org/ 1999/xhtml">
<head>
<script src="h t t p : // ma ps. google . com/ maps?file=api&v=1&key=ABQIAA...." type="text/javascript">
</script>
[code]....
This works so far, but this is not dynamic. What I need is some way to pass the coordinates to the GPoint(x, y) object. The iframe is inside of Birt and I can insert some code there, the values would be represented as following: <VALUE-OF>row["X"]</VALUE-OF>, <VALUE-OF>row["Y"]</VALUE-OF>.
My problem is now how to pass this values to the GPoint object in text.html. Is it possible to build a function which receives this parameters or is it possible to put the text.html code inside of the iframe (what i tried so far didn't work, as I said, my javascript/html knowledge is limited).
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Sep 15, 2010
You'll see a google map there, created with this jQuery plugin. Although I've used the plugin on several occasions without any trouble, this time the map's .png icon/marker cannot be made transparent.
I've tried several things (removing my reset.css file, adding a js png- transparency fix, fiddling with the plugin options) but nothing works...
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Aug 22, 2009
For years I have been using external_link.js, a file that I found at sitepoint, in one of Kevin Yank's articles I believe, to open new pages in a new tab when a link contained rel="external"
I just added the googlemaps api to a site to display maps, and none of the old menu links open in new tabs anymore! Has anyone else had this problem or have any idea why it has happened? Same function name in both javascripts?
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Feb 25, 2011
what i would like is to achieve what has been implemented here : [URL] the problem is that, although i have the numerical values (%) that indicate the traffic that passes through a link available as data, how to display them onto the google map?
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Nov 25, 2011
According to ECMAScript, the root of the prototype chain is Object.Prototype. Each object has an internal property [[Prototype]] that could be another object or NULL.... However, it also says that every function has the Function prototype object: Function.Prototype, it confused me, because a function is an object, for a function object, what is its function prototype and object prototype..For example:
var x = function (n) {return n+1;};
what is the relationships of x, Object.Prototype and Function.Prototype
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Dec 14, 2009
I am trying to get to the bottom of javascript object, prototypes etc. I have a fairly good grasp of it, but I get confused the closer I get to the base object.prototype. FIrst of all, I was under the impression that all objects descend directly from Object. But some objects (like Array) seem to inherit properties and methods from the function.prototype. So does this mean that the chain is like this:
object -- function -- array Second, I noticed (on the mozilla javascript reference site that object.prototype inherits properties and methods from function.prototype and vice versa!? How can this be? I must be missing something important about understanding the chain?
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Oct 24, 2010
Another quick question re. the JQuery sidebar I have on my Google map. I would like to link to individual markers from different websites or via email, so would like to convert for example, the 'javascript:myclick(7)' link on the menu to an external URL that will click to the marker and info box containing the video. Is this possible?I have tried something like [URL].. but that doesn't seem to work. Does someone know of anotherwayto do this?[URL]...
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Aug 24, 2005
I can use "with" like this:
function MyObject(message)
{
this.message = message;
}
function _MyObject_speak()
{
alert(this.message);
}
with (MyObject)
{
prototype.speak = _MyObject_speak;
}
I was wondering why I can't use "with" like this:
with (MyObject.prototype)
{
speak = _MyObject_speak;
}
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Jul 23, 2005
One of the complaints about prototype.js (google for it if you're not
familiar with it) is that it's poorly documented. I have this inkling
that the key to understanding prototype.js is in the bind function.
The problem with Javascript is that the "this" operator is poorly
overloaded and it is often hard to understand in the context of
object-oriented javascript
So, let's start with the definition:
Function.prototype.bind = function(object) {
var method = this;
return function() {
method.apply(object, arguments);
}
}
As I read this, it states that all functions (which are themselves
objects) will, in the future, have an associated method called "bind".
The function() function, so to speak, simply instantiates a Function
object with the parameter list and then evals the statement, sticking
the resulting execution-tree in the current code frame.
The "this" there refers to the function object associated with the call
to bind(), right? But the word "arguments" there refers to the
arguments passed to the function object *generated by* the call to
bind().
In every example within prototype.js, bind() is called either in a
constructor or within a method contexted to a javascript object, and is
always called with "this" as its argument, e.g.:
this.options.onComplete = this.updateContent.bind(this);
As I read the code it seems to be stating that the "this" object
referred to within bind()'d functions are being coerced into always
referring to the current instantiated object.
But isn't this always the case anyway? Is this a rather confusing
attempt to ensure "this" purity whereby the call
method.apply(object, arguments)
is forced to always have the reference to the containing object present?
I think I've got it. Bind() generates uniq functions that contain live
references to the objects to which they belong, such that the function
object can then be passed to setTimeout() or onMouseOver(), handlers
that accept functions but not objects.
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Mar 15, 2006
Lets say we run: window.alert = function() { };
Is there anyway to 'restore' the original alert() method or is it gone
forever?
I know you can do window.alert = Window.prototype.alert, but lets say
you also set Window.prototype.alert = function() { } or lets say we're
in Opera, which doesnt have a Window "class".
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Jun 5, 2006
I would like to set up an event observer outside of an object, so I
can't use this.bindAsEventListener. How can I pass the correct object
reference?
I tried something like this, and various other variations, but no luck.
This works when I set it up from inside the object, using "this.",
Event.observe(targetId,'click',targetId.select.bin dAsEventListener(this),false);
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Jan 11, 2007
I wanted to add an object as a prototype to separate my methods more
nicely, however, I ran into a couple of problems. Apart from the
obvious "scope" issues I found that any instances of my class shared
the objects methods and properties.
I realise (now) that this is actually how prototypes work, they share
functions and objects rather than create new instances of them for
every "class", but is there any way around it? (or shouldn't I be doing
things like this at all?) Code:
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Jan 23, 2007
I am working on my own pop up calendar, mainly because the one I am currently using crashes the Safari browser at times.
So, I want to verify that what I am doing will work, in that I want to be able to have multiple calendars open at the same time, each independent of the other.
So, I start it off with:
var Calendar = {
dateSelected: null,
topPos:null,
leftPos:null,
somefunction:function(e) {
...
}
};
If I create more than one calendar object, will they have their own variables, in that the dateSelected, topPos and leftPos will be unique to that instance?
Or, is there a better way to do this, that is cross-platform.....
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Mar 4, 2007
In my research in the javascript language I have encountered problems
with implementing prototype inheritance while preserving private
methods functioning properly. Here is an example: Code:
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May 16, 2007
I want ask you if, for a web portal/application, is better prototype or Jquery? I don't want to innesc some type of flame, but after the announce that drupal use JQuery and that the new Wordpress
2.2 use Jquery I ask myself if my choice of use prototype.js is the bettere choice.
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May 17, 2011
I have <div id ="changeable"> with some html in it. I have a link that calls the function to replace the info in the div. The problem is that the "creative_development.inc" file is added to the top of the div and does not replace the content. How do I replace the content, and not just add content?
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Nov 20, 2007
I'm trying to make an addEvent function that will automatically attach itself to the object using a class.
My question is how can I add the function so when I write obj.addEvent("click",myfunction); it will add the event?
Here's my current function:
this.prototype.addEvent = function(type,fn)
{
if(window.attachEvent)
this.attachEvent("on"+type,fn);
else if(window.addEventListener)
this.addEventListener(type,fn,false);
}
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Dec 13, 2007
I need help to workaround the following problem:
First, about the environment:
- The web pages automatically generated.
- Pages can be inserted to each other
- When a subpage to be inserted is being generated, it does not know will it be inserted or not.
- That because each subpage uses the <script src=...> tags to load the script it needs.
- in the external script files I'm trying to protect it from repeated execution checking (if(){}) the value of a variable which is created after in the script.
Everything worked fine until I tried to use the .prototype to declare the method of my objects.
In the Internet Explorer, I got "Object does not support this property or method", on the access to a prototype function, because the prototype of my object was deleted by itself after the second load of the external script. Code:
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Apr 9, 2006
This function will return an array of the elements in a page that contain a certain attribute, you can also give it a value that the attribute has to match, a tag name that the element has to match and a parent element.
I know there are other functions for doing this, but this one is written for use with the prototype (http://prototype.conio.net/) JavaScript library, in fact its really just a modified version of the getElementsByClassName() function that’s part of prototype.
document.getElementsByAttribute = function(attribute, value, tagName, parentElement) {
var children = ($(parentElement) || document.body).getElementsByTagName((tagName || '*'));
return $A(children).inject([], function(elements, child) {
var attributeValue = child.getAttribute(attribute);
if(attributeValue != null) {
if(!value || attributeValue == value) {
elements.push(child);
}
}
return elements;
});
}
Usage is pretty simple, this will return all elements with a width attribute:
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Nov 13, 2005
I try to get a xml-response with prototype. for e.g. i have the following code:
<html>
<head>
<title>Test Ajax</title>
<script src="prototype-1.3.1.js" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
var getXML = function()
{
var myAjax = new Ajax.Request(
"bsp.xml",
{
method:'GET',
onComplete:showXML
}
);
}
var showXML = function(r)
{
var names = [];
var root = r.responseXML.getElementsByTagName('personal').item(0);
// root
for (var i = 0; i < root.childNodes.length; i++)
{
var node = root.childNodes.item(i); // mitarbeiter
names.push(node.childNodes.item(1).firstChild.data);
}
$('xml').innerHTML = names.join("<br />");
}
//]]>
</script>
</head>
<body>
<p>
<a href="#" onclick="getXML();return false;">TEST</a>
</p>
<div id="xml">
</div>
</body>
</html>
xml-Data:
<?xml version="1.0" ?>
<personal>
<mitarbeiter>
<vorname>John</vorname>
<name>Brown</name>
</mitarbeiter>
<mitarbeiter>
<vorname>Matt</vorname>
<name>Blue</name>
</mitarbeiter>
</personal>
This works fine in IE but in Geko-Browser i got nothing back, because this browsers build the DOM with linebreaks and whitespace. Do you have any ideas what is wrong in my code and how to get propper DOM?
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May 16, 2006
Having read through Sergio Pereira's Prototype documentation I came across the grep command within Enumerable object.
This is something that looks very interesting. Such as being able to quickly select only the elements you want using a regular expression.
But for the life in me I can seem to get it to work.
Anyone a bit more up to speed with Prototype care to have a look?
var elementList = Form.getElements("just-a-form");
nodes = $A(elementList);
var localElements = nodes.grep( /image/, function(node){
return node.id
});
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Oct 1, 2006
I'm using Prototype's AJAX to get the "alert" the response of a simple PHP script (a script that echoes a single line), but it doesn't seem to work. Here's the code:
function init()
{
var url = "http://localhost/script.php";
var myAjax = new Ajax.Request(
url,
{
onSuccess: showResponse
});
}
function showResponse(response)
{
alert(response.responseText);
}
window.onload = init;
The code has no errors, but still doesn't show the response even if i add an onFailure event handler. What could be wrong?
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Dec 1, 2010
OK, simple script that currently takes an array of ID values (hard coded) and then iterates through them to fade in and out creating a slideshow.
The obvious problem is I have to hard code the number of DIVs in the slideshow. What I really want is the code to get the child elements of the container I pass it and then iterate through them dynamically.
[Code]...
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