80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
|
var g_popup = null;
|
||
|
|
|
||
|
|
function GetPopup()
|
||
|
|
{
|
||
|
|
var popup = g_popup;
|
||
|
|
if (null == popup)
|
||
|
|
{
|
||
|
|
popup = window.createPopup();
|
||
|
|
if (popup)
|
||
|
|
{
|
||
|
|
popup.document.dir = window.document.dir;
|
||
|
|
popup.document.body.style.cssText =
|
||
|
|
"{ font:menu; border:'1px solid'; margin:0; padding:2px; color:infotext; background:infobackground; overflow:hidden; }";
|
||
|
|
g_popup = popup;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return popup;
|
||
|
|
}
|
||
|
|
|
||
|
|
function HidePopup()
|
||
|
|
{
|
||
|
|
if (g_popup)
|
||
|
|
g_popup.hide();
|
||
|
|
}
|
||
|
|
|
||
|
|
function ShowPopup(szText, element, maxWidth)
|
||
|
|
{
|
||
|
|
var popup = GetPopup();
|
||
|
|
|
||
|
|
if (popup && szText && szText.length > 0 && !popup.isOpen)
|
||
|
|
{
|
||
|
|
var lineHeight = 3 * element.offsetHeight / 2;
|
||
|
|
var popupBody = popup.document.body;
|
||
|
|
|
||
|
|
if (!maxWidth)
|
||
|
|
maxWidth = 300;
|
||
|
|
|
||
|
|
popupBody.innerText = szText;
|
||
|
|
|
||
|
|
// Show first with small height to calculate actual dimensions
|
||
|
|
popup.show(0, lineHeight, maxWidth, 6, element);
|
||
|
|
|
||
|
|
var realWidth = popupBody.scrollWidth + popupBody.offsetWidth - popupBody.clientWidth;
|
||
|
|
var realHeight = popupBody.scrollHeight + popupBody.offsetHeight - popupBody.clientHeight;
|
||
|
|
|
||
|
|
if (realHeight < lineHeight && realWidth <= maxWidth)
|
||
|
|
{
|
||
|
|
// It's a short one-liner. Recalculate the width.
|
||
|
|
|
||
|
|
popupBody.style.whiteSpace = 'nowrap'; // prevent line breaking
|
||
|
|
|
||
|
|
popup.show(0, lineHeight, 6, realHeight, element);
|
||
|
|
realWidth = popupBody.scrollWidth + popupBody.offsetWidth - popupBody.clientWidth;
|
||
|
|
|
||
|
|
popupBody.style.whiteSpace = 'normal';
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// NTRAID#NTBUG9-391437-2001/05/14-jeffreys
|
||
|
|
//
|
||
|
|
// mshtml's popup positioning is screwed up on RTL, and they refuse to
|
||
|
|
// fix it for compatibility reasons, so we have to compensate here.
|
||
|
|
// (We now become one of the apps that require this behavior.)
|
||
|
|
//
|
||
|
|
var xPos = 0;
|
||
|
|
if (window.document.dir == "rtl")
|
||
|
|
{
|
||
|
|
// This isn't quite correct, but rc.left is sometimes positive
|
||
|
|
// and sometimes negative (go figure) which makes it hard to get
|
||
|
|
// this exactly right. Close enough.
|
||
|
|
var rc = element.getBoundingClientRect();
|
||
|
|
xPos = element.document.body.offsetWidth - realWidth - (rc.left*2);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Finally, show for real. Good thing this all happens on a single
|
||
|
|
// thread so there is no flashing.
|
||
|
|
popup.show(xPos, element.offsetHeight, realWidth, realHeight, element);
|
||
|
|
}
|
||
|
|
}
|