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Diffstat (limited to 'javascript/domTT_drag.js')
-rw-r--r-- | javascript/domTT_drag.js | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/javascript/domTT_drag.js b/javascript/domTT_drag.js new file mode 100644 index 0000000..794ab42 --- /dev/null +++ b/javascript/domTT_drag.js @@ -0,0 +1,102 @@ +/** $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() + } + } +} + +// }}} |