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author | Colin Smith <colin@pfsense.org> | 2005-07-14 01:24:44 +0000 |
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committer | Colin Smith <colin@pfsense.org> | 2005-07-14 01:24:44 +0000 |
commit | e1910a5ba59df89c84d74229ae5355cfefd0232b (patch) | |
tree | 42399aa03a83c4547108c1d435279220449d8010 /usr/local/www/dom-drag.js | |
parent | bd78a8455e40ec441c82f9e19e24c317ea922511 (diff) | |
download | pfsense-e1910a5ba59df89c84d74229ae5355cfefd0232b.zip pfsense-e1910a5ba59df89c84d74229ae5355cfefd0232b.tar.gz |
Add formvista's 'draglist'.
Diffstat (limited to 'usr/local/www/dom-drag.js')
-rwxr-xr-x | usr/local/www/dom-drag.js | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/usr/local/www/dom-drag.js b/usr/local/www/dom-drag.js new file mode 100755 index 0000000..7c31f01 --- /dev/null +++ b/usr/local/www/dom-drag.js @@ -0,0 +1,149 @@ +/************************************************** + * dom-drag.js + * 09.25.2001 + * www.youngpup.net + ************************************************** + * 10.28.2001 - fixed minor bug where events + * sometimes fired off the handle, not the root. + ************************************************** + * 05.30.2005 - added a workaround for firefox + * activating links when finished dragging. + * mmosier@astrolabe.com + **************************************************/ + +var Drag = { + + obj : null, + + init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper) + { + o.onmousedown = Drag.start; + + o.hmode = bSwapHorzRef ? false : true ; + o.vmode = bSwapVertRef ? false : true ; + + o.root = oRoot && oRoot != null ? oRoot : o ; + + if (o.hmode && isNaN(parseInt(o.root.style.left ))) o.root.style.left = "0px"; + if (o.vmode && isNaN(parseInt(o.root.style.top ))) o.root.style.top = "0px"; + if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right = "0px"; + if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px"; + + o.minX = typeof minX != 'undefined' ? minX : null; + o.minY = typeof minY != 'undefined' ? minY : null; + o.maxX = typeof maxX != 'undefined' ? maxX : null; + o.maxY = typeof maxY != 'undefined' ? maxY : null; + + o.xMapper = fXMapper ? fXMapper : null; + o.yMapper = fYMapper ? fYMapper : null; + + o.root.onDragStart = new Function(); + o.root.onDragEnd = new Function(); + o.root.onDrag = new Function(); + }, + + start : function(e) + { + var o = Drag.obj = this; + e = Drag.fixE(e); + var y = parseInt(o.vmode ? o.root.style.top : o.root.style.bottom); + var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right ); + o.root.onDragStart(x, y); + + o.startX = x; + o.startY = y; + o.lastMouseX = e.clientX; + o.lastMouseY = e.clientY; + + if (o.hmode) { + if (o.minX != null) o.minMouseX = e.clientX - x + o.minX; + if (o.maxX != null) o.maxMouseX = o.minMouseX + o.maxX - o.minX; + } else { + if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x; + if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x; + } + + if (o.vmode) { + if (o.minY != null) o.minMouseY = e.clientY - y + o.minY; + if (o.maxY != null) o.maxMouseY = o.minMouseY + o.maxY - o.minY; + } else { + if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y; + if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y; + } + + document.onmousemove = Drag.drag; + document.onmouseup = Drag.end; + + if (o.linkDisabled) { + var hrefs = o.root.getElementsByTagName("a"); + for (var i = 0; i < hrefs.length; i++) { + hrefs[i].onclick = hrefs[i].prevOnclick; + hrefs[i].prevOnclick = null; + } + o.linkDisabled = false; + } + + return false; + }, + + drag : function(e) + { + e = Drag.fixE(e); + var o = Drag.obj; + + var ey = e.clientY; + var ex = e.clientX; + var y = parseInt(o.vmode ? o.root.style.top : o.root.style.bottom); + var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right ); + var nx, ny; + + if (o.minX != null) ex = o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX); + if (o.maxX != null) ex = o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX); + if (o.minY != null) ey = o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY); + if (o.maxY != null) ey = o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY); + + nx = x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1)); + ny = y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1)); + + if (o.xMapper) nx = o.xMapper(y) + else if (o.yMapper) ny = o.yMapper(x) + + Drag.obj.root.style[o.hmode ? "left" : "right"] = nx + "px"; + Drag.obj.root.style[o.vmode ? "top" : "bottom"] = ny + "px"; + Drag.obj.lastMouseX = ex; + Drag.obj.lastMouseY = ey; + + var threshold = 4; + if (!o.linkDisabled) { + if (Math.abs(nx - o.startX) > threshold || Math.abs(ny - o.startY) > threshold) { + var hrefs = o.root.getElementsByTagName("a"); + for (var i = 0; i < hrefs.length; i++) { + hrefs[i].prevOnclick = hrefs[i].onclick; + hrefs[i].onclick = function() { return false; }; + } + o.linkDisabled = true; + } + } + + Drag.obj.root.onDrag(nx, ny, Drag.obj.root); + return false; + }, + + end : function() + { + document.onmousemove = null; + document.onmouseup = null; + Drag.obj.root.onDragEnd( parseInt(Drag.obj.root.style[Drag.obj.hmode ? "left" : "right"]), + parseInt(Drag.obj.root.style[Drag.obj.vmode + ? "top" : "bottom"]), Drag.obj.root); + Drag.obj = null; + }, + + fixE : function(e) + { + if (typeof e == 'undefined') e = window.event; + if (typeof e.layerX == 'undefined') e.layerX = e.offsetX; + if (typeof e.layerY == 'undefined') e.layerY = e.offsetY; + return e; + } +}; |