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jp_milcent |
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/** $Id: domTT_drag.js,v 1.1 2007-03-16 12:39:35 jp_milcent Exp $ */
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// {{{ license
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/*
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* Copyright 2002-2005 Dan Allen, Mojavelinux.com (dan.allen@mojavelinux.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// }}}
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// {{{ globals (DO NOT EDIT)
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var domTT_dragEnabled = true;
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var domTT_currentDragTarget;
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var domTT_dragMouseDown;
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var domTT_dragOffsetLeft;
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var domTT_dragOffsetTop;
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// }}}
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// {{{ domTT_dragStart()
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function domTT_dragStart(in_this, in_event)
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{
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if (typeof(in_event) == 'undefined') { in_event = window.event; }
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var eventButton = in_event[domLib_eventButton];
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if (eventButton != 1 && !domLib_isKHTML)
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{
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return;
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}
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domTT_currentDragTarget = in_this;
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in_this.style.cursor = 'move';
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// upgrade our z-index
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in_this.style.zIndex = ++domLib_zIndex;
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var eventPosition = domLib_getEventPosition(in_event);
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var targetPosition = domLib_getOffsets(in_this);
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domTT_dragOffsetLeft = eventPosition.get('x') - targetPosition.get('left');
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domTT_dragOffsetTop = eventPosition.get('y') - targetPosition.get('top');
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domTT_dragMouseDown = true;
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}
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// }}}
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// {{{ domTT_dragUpdate()
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function domTT_dragUpdate(in_event)
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{
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if (domTT_dragMouseDown)
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{
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if (domLib_isGecko)
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{
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window.getSelection().removeAllRanges()
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}
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if (domTT_useGlobalMousePosition && domTT_mousePosition != null)
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{
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var eventPosition = domTT_mousePosition;
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}
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else
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{
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if (typeof(in_event) == 'undefined') { in_event = window.event; }
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var eventPosition = domLib_getEventPosition(in_event);
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}
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domTT_currentDragTarget.style.left = (eventPosition.get('x') - domTT_dragOffsetLeft) + 'px';
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domTT_currentDragTarget.style.top = (eventPosition.get('y') - domTT_dragOffsetTop) + 'px';
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// update the collision detection
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domLib_detectCollisions(domTT_currentDragTarget);
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}
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}
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// }}}
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// {{{ domTT_dragStop()
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function domTT_dragStop()
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{
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if (domTT_dragMouseDown) {
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domTT_dragMouseDown = false;
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domTT_currentDragTarget.style.cursor = 'default';
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domTT_currentDragTarget = null;
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if (domLib_isGecko)
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{
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window.getSelection().removeAllRanges()
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}
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}
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}
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// }}}
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