Update doc
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@796268 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/ipojo/webconsole-plugin/doc/ipojo-webconsole-plugin_files/hoverIntent.js b/ipojo/webconsole-plugin/doc/ipojo-webconsole-plugin_files/hoverIntent.js
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+(function($){
+ /* hoverIntent by Brian Cherne */
+ $.fn.hoverIntent = function(f,g) {
+ // default configuration options
+ var cfg = {
+ sensitivity: 7,
+ interval: 100,
+ timeout: 0
+ };
+ // override configuration options with user supplied object
+ cfg = $.extend(cfg, g ? { over: f, out: g } : f );
+
+ // instantiate variables
+ // cX, cY = current X and Y position of mouse, updated by mousemove event
+ // pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
+ var cX, cY, pX, pY;
+
+ // A private function for getting mouse position
+ var track = function(ev) {
+ cX = ev.pageX;
+ cY = ev.pageY;
+ };
+
+ // A private function for comparing current and previous mouse position
+ var compare = function(ev,ob) {
+ ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
+ // compare mouse positions to see if they've crossed the threshold
+ if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
+ $(ob).unbind("mousemove",track);
+ // set hoverIntent state to true (so mouseOut can be called)
+ ob.hoverIntent_s = 1;
+ return cfg.over.apply(ob,[ev]);
+ } else {
+ // set previous coordinates for next time
+ pX = cX; pY = cY;
+ // use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
+ ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
+ }
+ };
+
+ // A private function for delaying the mouseOut function
+ var delay = function(ev,ob) {
+ ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
+ ob.hoverIntent_s = 0;
+ return cfg.out.apply(ob,[ev]);
+ };
+
+ // A private function for handling mouse 'hovering'
+ var handleHover = function(e) {
+ // next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut
+ var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
+ while ( p && p != this ) { try { p = p.parentNode; } catch(e) { p = this; } }
+ if ( p == this ) { return false; }
+
+ // copy objects to be passed into t (required for event object to be passed in IE)
+ var ev = jQuery.extend({},e);
+ var ob = this;
+
+ // cancel hoverIntent timer if it exists
+ if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }
+
+ // else e.type == "onmouseover"
+ if (e.type == "mouseover") {
+ // set "previous" X and Y position based on initial entry point
+ pX = ev.pageX; pY = ev.pageY;
+ // update "current" X and Y position based on mousemove
+ $(ob).bind("mousemove",track);
+ // start polling interval (self-calling timeout) to compare mouse coordinates over time
+ if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}
+
+ // else e.type == "onmouseout"
+ } else {
+ // unbind expensive mousemove event
+ $(ob).unbind("mousemove",track);
+ // if hoverIntent state is true, then call the mouseOut function after the specified delay
+ if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
+ }
+ };
+
+ // bind the function to the two event listeners
+ return this.mouseover(handleHover).mouseout(handleHover);
+ };
+
+})(jQuery);
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