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kohsuke
8a0dc230f4
git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@969 71c3de6d-444a-0410-be80-ed276b4c234a
74 lines
1.9 KiB
JavaScript
74 lines
1.9 KiB
JavaScript
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UTILITIES_VERSION = 0.1;
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/**
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* I'm nothing more than a collection of static utility methods for
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* doing various things.
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*/
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function Utilities() {}
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/**
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* I remove all the children of the specified parent node.
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*
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* @param parent The node whose children should be removed
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*/
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Utilities.removeChildren = function(parent) {
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for (var i = parent.childNodes.length - 1; i >= 0; i--) {
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parent.removeChild(parent.childNodes[i]);
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}
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}
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/**
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* I return an object with an x and y fields, indicating the object's
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* offset from the top left corner of the document. The 'offsets'
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* argument is optional; if not provided, one will be initialized and
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* used. It is exposed as a parameter because it can be useful for
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* computing deltas. The 'object' parameter can be either an actual
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* document element, or the ID of one.
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*
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* @param object The object to compute the offset of. May be an object
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* or the ID of one.
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* @param offsets The starting offsets to calculate from. In almost
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* all cases, this should be omitted.
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* @return An offsets object with x and y fields, indicating the
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* computed offsets for the object. If an offsets object is
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* passed, that will be the object returned, though the values
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* will have been changed.
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*/
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Utilities.getOffsets = function(object, offsets) {
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if (! offsets) {
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offsets = new Object();
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offsets.x = offsets.y = 0;
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}
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if (typeof object == "string")
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object = document.getElementById(object);
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offsets.x += object.offsetLeft;
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offsets.y += object.offsetTop;
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do {
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object = object.offsetParent;
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if (! object)
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break;
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offsets.x += object.offsetLeft;
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offsets.y += object.offsetTop;
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} while(object.tagName.toUpperCase() != "BODY");
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return offsets;
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}
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/**
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*
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*/
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Utilities.listAppend = function(list, value, delimiter) {
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if (typeof delimiter == "undefined")
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delimiter = ",";
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if (list == "")
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return value;
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else
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return list + delimiter + value;
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} |