Putting HTML from the current page into a new window - javascript

I want to open a new window and carry over some of the HTML in the original page to the new window. What is the simplest way to do this?
Something like:
$("div#foo").click( function(){
var copyHTML = $("table.bar").html();
window.open(''); // somehow put copyHTML in the new window
});

Try the following:
$("div#foo").click
(
function()
{
var copyHTML = $("table.bar").html();
var newWindow = window.open('');
newWindow.document.body.innerHTML = copyHTML;
}
);
This will work in some cases, and is the easier than the next approach.
If you get security warnings from your browser, the next approach may be more agreeable. Add a function within the parent page called getContent, like so:
function getContent()
{
return $("table.bar").html();
}
...and on document.ready in the child window do the following:
$(document).ready
(
function()
{
var parentContent = window.opener.getContent();
$("body").html(parentContent);
}
);

Related

preventDefault to stop refresh on anchor tag click

I have below line of code which simply places a link on the parent page:
<caps:msg textId="createNews"/>
Onclick of the above link 2 functions are getting called:
###func1():
var timestamp;
function func1() {
timestamp = +new Date();
return false;
}
###func2():
function func2(param1,param2,param3,param4){
var win;
var location = window.location.href; // location A
var encodeStringVar = encodeString(param3);
win = window.open(param1+'/struts1.action?param2='+param2+'&param3='+ escape(encodeStringVar) +'#'+param4,target='t1','toolbar=no,scrollbars=yes,menubar=no,location=no,width=990,height=630, top=100, left=100');
window.location.href = location; // location A
return win;
}
On click of link on parent page, a popup opens by calling struts action, and it works just fine. Only problem is when the link on parent page is clicked, it refreshes the parent page. I don't want it to refresh and I tried adding return false in the link and Javascript void() function, Also I tried by adding an event listener for click event on this link as below:
$(document).ready(function() {
$("#createNewsLink").click(function(event) {
//return false;
event.preventDefault();
})
})
and below:
$(document).ready(function() {
document.getElementById("createNewsLink").addEventListener("click", function(event) {
event.preventDefault();
});
})
But none of these did the trick, can someone please point out the mistake in my code?
Could you consider to try :
(function(){
var linkElement = document.querySelector('#createNewsLink');
linkElement.addEventListener('click',function(e) {
var param1 = e.target.getAttribute('attr-param1');
var param2 = e.target.getAttribute('attr-param2');
console.log(param1,param2);
// Do what ever you want here.
e.preventDefault();
});
})();
Click me
Here i avoid any Event binding from html, and centralize all traitment / binding in one place. Then i point one way to find back mandatory params for your traitment.

Tab independent jQuery on Firefox extension

I'm developping a Firefox based on jQuery as described in this Answer here.
After implementing the example provided in the answer, eveything works fine, but the problem is the code between Firefox Tabs is somehow linked, and example.doc always refers to the last opened tab.
Opened tab1 : the plugin-example has been added and to the current page.
this.doc refers to tab1.
Oepened tab2: the plugin-example has been added to to current page (tab2).
this.doc now refers to tab2
back to viewing tab1 : this.doc still refers to tab1.
clicking on plugin-example on tab1 will act on the plugin-example in tab2 instead.
How can I make my code independent between tabs?
Here is an excrept from the code:
(function() {
jQuery.noConflict();
$ = function(selector,context) {
return new jQuery.fn.init(selector,context||example.doc);
};
$.fn = $.prototype = jQuery.fn;
example = new function(){};
example.run = function(doc,aEvent) {
if (doc.getElementById("plugin-example")) return;
this.doc = doc;
this.main = main = $('<div id="plugin-example">').appendTo(doc.body).html('Example Loaded!');
this.main.click(function() { //<--- added this function
example.main.html(example.doc.location.href);
});
main.css({
background:'#FFF',color:'#000',position:'absolute',top:0,left:0,padding:8
});
};
// Bind Plugin
var delay = function(aEvent) {
var doc = aEvent.originalTarget; setTimeout(function() {
example.run(doc,aEvent);
}, 1);
};
var load = function() {
gBrowser.addEventListener("DOMContentLoaded", delay, true);
};
window.addEventListener("pageshow", load, false);
})();
Your code (overlay script) will only run once per window, not once per tab. So there is only one example instance per window. And hence example.doc will be set to whatever dispatched DOMContentLoaded last.
Your function should properly close over the document and avoid global state.
This is who I would write it (then again, I would avoid jquery (in add-ons) like the plague...)
// Use strict mode in particular to avoid implicitly var declarations
(function() {
"use strict";
// Main runner function for each content window.
// Similar to SDK page-mod, but without the security boundaries.
function run(window, document) {
// jquery setup. per https://stackoverflow.com/a/496970/484441
$ = function(selector,context) {
return new jq.fn.init(selector,context || document);
};
$.fn = $.prototype = jq.fn;
if (document.getElementById("my-example-addon-container")) {
return;
}
let main = $('<div id="my-example-addon-container">');
main.appendTo(document.body).text('Example Loaded!');
main.click(function() { //<--- added this function
main.text(document.location.href);
});
main.css({
background:'#FFF',color:'#000',position:'absolute',top:0,left:0,padding:8
});
};
const log = Components.utils.reportError.bind(Components.utils);
// Do not conflict with other add-ons using jquery.
const jq = jQuery.noConflict(true);
gBrowser.addEventListener("DOMContentLoaded", function load(evt) {
try {
// Call run with this == window ;)
let doc = evt.target.ownerDocument || evt.target;
if (!doc.location.href.startsWith("http")) {
// Do not even attempt to interact with non-http(s)? sites.
return;
}
run.call(doc.defaultView, doc.defaultView, doc);
}
catch (ex) {
log(ex);
}
}, true);
})();
Here is a complete add-on as a gist. Just drop in a copy of jquery and it should be good to go.
PS: Reposted this at in the jquery in extensions question

How to set value of child pop op elements from parent window using Javascript?

I am calling a pop up window from a parent page using :
var childWindow = open('test1.aspx', '1397127848655', 'resizable=no,width=700,height=500');
I then try to set the value of two spans which are on chil pop up from parent window using this childWindow object.
childWindow.onload = function () {
alert('this msg does not shows up when run on IE8');
var hidden1 = childWindow.document.getElementById('hidden1');
var hidden2 = childWindow.document.getElementById('hidden2');
hidden1.innerHTML = rowindex;
hidden2.innerHTML = controlname;
};
this code works fine as long as I am using chrome. But it refuses to work on IE8. There are no console errors either.
I tried removing childWindow.onload = function () { } but then the page would just sort of refresh on both chrome and IE8.
UPDATE
This did not work either.
function CallPopUp(rowindex,controlname ) {
function popupLoad() {
alert('this msg does not shows up when run on IE8');
var hidden1 = childWindow.document.getElementById('hidden1');
var hidden2 = childWindow.document.getElementById('hidden2');
hidden1.innerHTML = rowindex;
hidden2.innerHTML = controlname;
}
var childWindow = open('test1.aspx', '1397127848655', 'resizable=no,width=700,height=500');
if (childWindow.document.readyState === "complete") {
popupLoad();
} else {
childWindow.onload = popupLoad;
}
If test.aspx is in the browser cache, it is possible that the onload event has already happened before you attach your event handler so you're missing it (IE is known to do this with image load events). I'd suggest you check document.readyState before attaching your event handler.
function popupLoad() {
alert('this msg does not shows up when run on IE8');
var hidden1 = childWindow.document.getElementById('hidden1');
var hidden2 = childWindow.document.getElementById('hidden2');
hidden1.innerHTML = rowindex;
hidden2.innerHTML = controlname;
}
var childWindow = open('test1.aspx', '1397127848655', 'resizable=no,width=700,height=500');
if (childWindow.document.readyState === "complete") {
popupLoad();
} else {
childWindow.onload = popupLoad;
}
As another option, you can put the values into the query parameters for the URL:
`"test1.aspx?hidden1=" + rowindex + "&hidden2=" + controlname`
and then have the popup window load it's own fields from it's own onload handler from what's in the query string. Then, you can keep the code in the popup window self contained and you don't have to try to modify one window from another.
If you don't want the user to see this or be able to edit it, you can turn off the location bar in the popup window.

communicate from parent to popup tab using jQuery

I've seen a lot of posts on communicating from the popup back to parent using window.opener.$('#myDiv').
But once a popup is opened, how does the parent: target and control a div inside the popup?
I'm opening my popup using window.open(url, 'myPopup', 'width=50', 'height=50');
You can adress the parent from the popup like this:
window.opener.foo();
or, on a generic way:
window.opener.property
And, to make sure the parent is still alive:
if (window.opener && !window.opener.closed)
{
// do something
}
On the parent view, you might try:
function add_content(page, text)
{
var texts = page.document.getElementById("content");
texts.innerHTML += text;
}
function start()
{
var popup_page = window.open("popup.htm");
var str = document.getElementById("content").innerHTML;
alert(str);
add_content(popup_page, window.location+" : "+str);
// window.close(); // ?
}

dynamic link making and pure javascript

I have a link like:
test
and a javascript variable:
var t='this';
How can I make the click on the link go to http://www.example.com/'+this using pure javascript?
(so clicking makes a dynamic url that has the variable t at the end)
You could provide your anchor an id:
test
and then:
var t = 'this';
document.getElementById('mylink').onclick = function() {
window.location.href = this.href + t;
return false;
};
obviously if you are putting this script in the <head> section you might need to wait for the DOM to be ready before attempting to attach click handlers:
window.onload = function() {
document.getElementById('mylink').onclick = function() {
window.location.href = this.href + t;
return false;
};
};
If you cannot modify your DOM to provide an unique id to your anchor you could use the document.getElementsByTagName method which will return you an array of all elements with the given tag in your DOM and then you will have to loop through them and attach the onclick handler to your anchor. In order to identify it between all the links that you might have, you will have to use either its innerHTML text or the current href property.
Based on Darin solition, this opens into a new window and does not modify original;
window.onload = function() {
document.getElementById('mylink').onclick = function() {
window.open(this.href + t);
return false;
};
};

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