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Add force refresh (alt version) #13

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Add force refresh (alt version) #13

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21 changes: 18 additions & 3 deletions jquery.popupwindow.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,8 @@
status: false,
toolbar: false,
top: 0,
width: 500
width: 500,
forcerefresh:true
};

$.popupWindow = function(url, opts) {
Expand All @@ -45,10 +46,24 @@
params.push('left=' + options.left);
params.push('top=' + options.top);

// open window
// define name
var random = new Date().getTime();
var name = options.name || (options.createNew ? 'popup_window_' + random : 'popup_window');
var win = window.open(url, name, params.join(','));

// try regaining access to a window handle, will fail for different origin
var winHref;
var win = window.open("", name, params.join(','));
try { winHref = win.location.href; } catch (e) { }

// determine whether to open window
// the user wants to always refresh, the href is a new page
// winHref could be 3 possible values
// 1. undefined - this failed grabbing url, meaning it exists, but on different origin - dont reload url
// 2. some url - this passed the assignment above, must be same origin - dont reload url
// 3. about:blank - the window didnt exist and the user now has a blank window - reload url
if (options.forcerefresh || winHref === "about:blank") {
win = window.open(url, name, params.join(','));
}

// unload handler
if (options.onUnload && typeof options.onUnload === 'function') {
Expand Down