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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL: http://www.gnu.org/licenses/lgpl.html
EPL: http://www.eclipse.org/org/documents/epl-v10.php
See the LICENSE file in the project's top-level directory for details.
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/* ************************************************************************
#module(ui_core)
************************************************************************ */
qx.OO.defineClass("qx.html.Dimension");
/*
+-Outer----------------------------------------+
| Margin |
| +-Box------------------------------+ |
| | Border (+ Scrollbar) | |
| | +-Area--------------------+ | |
| | | Padding | | |
| | | +-Inner----------+ | | |
| | | | | | | |
| | | +----------------+ | | |
| | +-------------------------+ | |
| +----------------------------------+ |
+----------------------------------------------+
*/
// Dimensions
qx.html.Dimension.getOuterWidth = function(el) { return qx.html.Dimension.getBoxWidth(el) + qx.html.Style.getMarginLeft(el) + qx.html.Style.getMarginRight(el); }
qx.html.Dimension.getOuterHeight = function(el) { return qx.html.Dimension.getBoxHeight(el) + qx.html.Style.getMarginTop(el) + qx.html.Style.getMarginBottom(el); }
qx.html.Dimension.getBoxWidthForZeroHeight = function(el)
{
var h = el.offsetHeight;
if (h == 0) {
var o = el.style.height;
el.style.height = "1px";
}
var v = el.offsetWidth;
if (h == 0) {
el.style.height = o;
}
return v;
}
qx.html.Dimension.getBoxHeightForZeroWidth = function(el)
{
var w = el.offsetWidth;
if (w == 0) {
var o = el.style.width;
el.style.width = "1px";
}
var v = el.offsetHeight;
if (w == 0) {
el.style.width = o;
}
return v;
}
qx.html.Dimension.getBoxWidth = function(el) {
return el.offsetWidth;
}
qx.html.Dimension.getBoxHeight = function(el) {
return el.offsetHeight;
}
qx.html.Dimension.getAreaWidth = function(el) {};
qx.html.Dimension.getAreaHeight = function(el) {};
if (qx.core.Client.getInstance().isGecko())
{
qx.html.Dimension.getAreaWidth = function(el)
{
// 0 in clientWidth could mean both: That it is really 0 or
// that the element is not rendered by the browser and
// therefore it is 0, too
// In Gecko based browsers there is sometimes another
// behaviour: The clientHeight is equal to the border
// sum. This is normally not correct and so we
// fix this value with a more complex calculation.
// (Mozilla/5.0 (Windows; U; Windows NT 5.1; de-DE; rv:1.7.6) Gecko/20050223 Firefox/1.0.1)
if (el.clientWidth != 0 && el.clientWidth != (qx.html.Style.getBorderLeft(el) + qx.html.Style.getBorderRight(el)))
{
return el.clientWidth;
}
else
{
return qx.html.Dimension.getBoxWidth(el) - qx.html.Dimension.getInsetLeft(el) - qx.html.Dimension.getInsetRight(el);
}
}
qx.html.Dimension.getAreaHeight = function(el)
{
// 0 in clientHeight could mean both: That it is really 0 or
// that the element is not rendered by the browser and
// therefore it is 0, too
// In Gecko based browsers there is sometimes another
// behaviour: The clientHeight is equal to the border
// sum. This is normally not correct and so we
// fix this value with a more complex calculation.
// (Mozilla/5.0 (Windows; U; Windows NT 5.1; de-DE; rv:1.7.6) Gecko/20050223 Firefox/1.0.1)
if (el.clientHeight != 0 && el.clientHeight != (qx.html.Style.getBorderTop(el) + qx.html.Style.getBorderBottom(el)))
{
return el.clientHeight;
}
else
{
return qx.html.Dimension.getBoxHeight(el) - qx.html.Dimension.getInsetTop(el) - qx.html.Dimension.getInsetBottom(el);
}
}
}
else
{
qx.html.Dimension.getAreaWidth = function(el)
{
// 0 in clientWidth could mean both: That it is really 0 or
// that the element is not rendered by the browser and
// therefore it is 0, too
return el.clientWidth != 0 ? el.clientWidth : (qx.html.Dimension.getBoxWidth(el) - qx.html.Dimension.getInsetLeft(el) - qx.html.Dimension.getInsetRight(el));
}
qx.html.Dimension.getAreaHeight = function(el)
{
// 0 in clientHeight could mean both: That it is really 0 or
// that the element is not rendered by the browser and
// therefore it is 0, too
return el.clientHeight != 0 ? el.clientHeight : (qx.html.Dimension.getBoxHeight(el) - qx.html.Dimension.getInsetTop(el) - qx.html.Dimension.getInsetBottom(el));
}
}
qx.html.Dimension.getInnerWidth = function(el) { return qx.html.Dimension.getAreaWidth(el) - qx.html.Style.getPaddingLeft(el) - qx.html.Style.getPaddingRight(el); }
qx.html.Dimension.getInnerHeight = function(el) { return qx.html.Dimension.getAreaHeight(el) - qx.html.Style.getPaddingTop(el) - qx.html.Style.getPaddingBottom(el); }
// Insets
qx.html.Dimension.getInsetLeft = function(el) {};
qx.html.Dimension.getInsetTop = function(el) {};
qx.html.Dimension.getInsetRight = function(el) {};
qx.html.Dimension.getInsetBottom = function(el) {};
if (qx.core.Client.getInstance().isMshtml())
{
qx.html.Dimension.getInsetLeft = function(el) { return el.clientLeft; }
qx.html.Dimension.getInsetTop = function(el) { return el.clientTop; }
qx.html.Dimension.getInsetRight = function(el) {
if(qx.html.Style.getStyleProperty(el, "overflowY") == "hidden" || el.clientWidth == 0) {
return qx.html.Style.getBorderRight(el);
}
return Math.max(0, el.offsetWidth - el.clientLeft - el.clientWidth);
}
qx.html.Dimension.getInsetBottom = function(el) {
if(qx.html.Style.getStyleProperty(el, "overflowX") == "hidden" || el.clientHeight == 0) {
return qx.html.Style.getBorderBottom(el);
}
return Math.max(0, el.offsetHeight - el.clientTop - el.clientHeight);
}
}
else
{
qx.html.Dimension.getInsetLeft = function(el) { return qx.html.Style.getBorderLeft(el); }
qx.html.Dimension.getInsetTop = function(el) { return qx.html.Style.getBorderTop(el); }
qx.html.Dimension.getInsetRight = function(el) {
// Alternative method if clientWidth is unavailable
// clientWidth == 0 could mean both: unavailable or really 0
if (el.clientWidth == 0) {
var ov = qx.html.Style.getStyleProperty(el, "overflow");
var sbv = ov == "scroll" || ov == "-moz-scrollbars-vertical" ? 16 : 0;
return Math.max(0, qx.html.Style.getBorderRight(el) + sbv);
}
return Math.max(0, el.offsetWidth - el.clientWidth - qx.html.Style.getBorderLeft(el));
}
qx.html.Dimension.getInsetBottom = function(el) {
// Alternative method if clientHeight is unavailable
// clientHeight == 0 could mean both: unavailable or really 0
if (el.clientHeight == 0) {
var ov = qx.html.Style.getStyleProperty(el, "overflow");
var sbv = ov == "scroll" || ov == "-moz-scrollbars-horizontal" ? 16 : 0;
return Math.max(0, qx.html.Style.getBorderBottom(el) + sbv);
}
return Math.max(0, el.offsetHeight - el.clientHeight - qx.html.Style.getBorderTop(el));
}
}
// Scrollbar
qx.html.Dimension.getScrollBarSizeLeft = function(el) { return 0; }
qx.html.Dimension.getScrollBarSizeTop = function(el) { return 0; }
qx.html.Dimension.getScrollBarSizeRight = function(el) { return qx.html.Dimension.getInsetRight(el) - qx.html.Style.getBorderRight(el); }
qx.html.Dimension.getScrollBarSizeBottom = function(el) { return qx.html.Dimension.getInsetBottom(el) - qx.html.Style.getBorderBottom(el); }
qx.html.Dimension.getScrollBarVisibleX = function(el) { return qx.html.Dimension.getScrollBarSizeRight(el) > 0; }
qx.html.Dimension.getScrollBarVisibleY = function(el) { return qx.html.Dimension.getScrollBarSizeBottom(el) > 0; }
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