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/** $Id: domTT_drag.js,v 1.1 2007/01/04 22:29:18 thomas Exp $ */
// {{{ license
/*
* Copyright 2002-2005 Dan Allen, Mojavelinux.com (dan.allen@mojavelinux.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// }}}
// {{{ globals (DO NOT EDIT)
var domTT_dragEnabled = true;
var domTT_currentDragTarget;
var domTT_dragMouseDown;
var domTT_dragOffsetLeft;
var domTT_dragOffsetTop;
// }}}
// {{{ domTT_dragStart()
function domTT_dragStart(in_this, in_event)
{
if (typeof(in_event) == 'undefined') { in_event = window.event; }
var eventButton = in_event[domLib_eventButton];
if (eventButton != 1 && !domLib_isKHTML)
{
return;
}
domTT_currentDragTarget = in_this;
in_this.style.cursor = 'move';
// upgrade our z-index
in_this.style.zIndex = ++domLib_zIndex;
var eventPosition = domLib_getEventPosition(in_event);
var targetPosition = domLib_getOffsets(in_this);
domTT_dragOffsetLeft = eventPosition.get('x') - targetPosition.get('left');
domTT_dragOffsetTop = eventPosition.get('y') - targetPosition.get('top');
domTT_dragMouseDown = true;
}
// }}}
// {{{ domTT_dragUpdate()
function domTT_dragUpdate(in_event)
{
if (domTT_dragMouseDown)
{
if (domLib_isGecko)
{
window.getSelection().removeAllRanges()
}
if (domTT_useGlobalMousePosition && domTT_mousePosition != null)
{
var eventPosition = domTT_mousePosition;
}
else
{
if (typeof(in_event) == 'undefined') { in_event = window.event; }
var eventPosition = domLib_getEventPosition(in_event);
}
domTT_currentDragTarget.style.left = (eventPosition.get('x') - domTT_dragOffsetLeft) + 'px';
domTT_currentDragTarget.style.top = (eventPosition.get('y') - domTT_dragOffsetTop) + 'px';
// update the collision detection
domLib_detectCollisions(domTT_currentDragTarget);
}
}
// }}}
// {{{ domTT_dragStop()
function domTT_dragStop()
{
if (domTT_dragMouseDown) {
domTT_dragMouseDown = false;
domTT_currentDragTarget.style.cursor = 'default';
domTT_currentDragTarget = null;
if (domLib_isGecko)
{
window.getSelection().removeAllRanges()
}
}
}
// }}}
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