Thanks Martin!
I needed a popup over a table widget which has no fixed width, which created
some proplems. Here is your adapted code that works for me:
createPopup : function()
{
this.__loadingPopup = new qx.ui.popup.Popup(new
qx.ui.layout.Canvas()).set({
decorator: "group",
width : 100,
height : 50,
padding : 10
});
this.__loadingPopup.add( new qx.ui.basic.Atom("Loading...",
"path/to/ajax-loader.gif") );
},
showPopup : function( w )
{
var p = this.__loadingPopup;
var c,l,t,w,h;
if ( w )
{
c = w.getContentLocation();
if ( c )
{
var w = c.right - c.left;
var h = c.bottom - c.top;
l = Math.floor( c.left + ( w / 2) - ( p.getWidth() / 2 ) );
t = Math.floor( c.top + ( h / 2) - ( p.getHeight() / 2) );
}
}
if ( w && l && t)
{
p.placeToPoint({left: l, top: t}); // we have valid paramters
}
else
{
l = Math.floor( ( qx.bom.Document.getWidth() / 2 ) - (
p.getWidth() / 2 ) );
t = Math.floor( ( qx.bom.Document.getHeight() / 2 ) - (
p.getHeight() / 2 ) );
p.placeToPoint({left: l, top: t}); // place it in the middle of the
screen
}
p.show();
},
hidePopup : function()
{
this.__loadingPopup.hide();
},
The code has a fallback for cases that the widget has'nt rendered yet, then
the popup is places in the middle of the screen.
Thanks again for your quick help!
Christian
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