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From ktur...@apache.org
Subject svn commit: r1185381 [4/7] - in /incubator/accumulo: branches/1.3/ branches/1.3/src/server/ branches/1.3/src/server/src/main/java/org/apache/accumulo/server/monitor/ branches/1.3/src/server/src/main/java/org/apache/accumulo/server/monitor/servlets/ bra...
Date Mon, 17 Oct 2011 21:21:59 GMT
Added: incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.min.js
URL: http://svn.apache.org/viewvc/incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.min.js?rev=1185381&view=auto
==============================================================================
--- incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.min.js (added)
+++ incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.min.js Mon Oct 17 21:21:58 2011
@@ -0,0 +1,6 @@
+/* Javascript plotting library for jQuery, v. 0.7.
+ *
+ * Released under the MIT license by IOLA, December 2007.
+ *
+ */
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Added: incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.js
URL: http://svn.apache.org/viewvc/incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.js?rev=1185381&view=auto
==============================================================================
--- incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.js (added)
+++ incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.js Mon Oct 17 21:21:58 2011
@@ -0,0 +1,336 @@
+/*
+Flot plugin for adding panning and zooming capabilities to a plot.
+
+The default behaviour is double click and scrollwheel up/down to zoom
+in, drag to pan. The plugin defines plot.zoom({ center }),
+plot.zoomOut() and plot.pan(offset) so you easily can add custom
+controls. It also fires a "plotpan" and "plotzoom" event when
+something happens, useful for synchronizing plots.
+
+Options:
+
+  zoom: {
+    interactive: false
+    trigger: "dblclick" // or "click" for single click
+    amount: 1.5         // 2 = 200% (zoom in), 0.5 = 50% (zoom out)
+  }
+  
+  pan: {
+    interactive: false
+    cursor: "move"      // CSS mouse cursor value used when dragging, e.g. "pointer"
+    frameRate: 20
+  }
+
+  xaxis, yaxis, x2axis, y2axis: {
+    zoomRange: null  // or [number, number] (min range, max range) or false
+    panRange: null   // or [number, number] (min, max) or false
+  }
+  
+"interactive" enables the built-in drag/click behaviour. If you enable
+interactive for pan, then you'll have a basic plot that supports
+moving around; the same for zoom.
+
+"amount" specifies the default amount to zoom in (so 1.5 = 150%)
+relative to the current viewport.
+
+"cursor" is a standard CSS mouse cursor string used for visual
+feedback to the user when dragging.
+
+"frameRate" specifies the maximum number of times per second the plot
+will update itself while the user is panning around on it (set to null
+to disable intermediate pans, the plot will then not update until the
+mouse button is released).
+
+"zoomRange" is the interval in which zooming can happen, e.g. with
+zoomRange: [1, 100] the zoom will never scale the axis so that the
+difference between min and max is smaller than 1 or larger than 100.
+You can set either end to null to ignore, e.g. [1, null]. If you set
+zoomRange to false, zooming on that axis will be disabled.
+
+"panRange" confines the panning to stay within a range, e.g. with
+panRange: [-10, 20] panning stops at -10 in one end and at 20 in the
+other. Either can be null, e.g. [-10, null]. If you set
+panRange to false, panning on that axis will be disabled.
+
+Example API usage:
+
+  plot = $.plot(...);
+  
+  // zoom default amount in on the pixel (10, 20) 
+  plot.zoom({ center: { left: 10, top: 20 } });
+
+  // zoom out again
+  plot.zoomOut({ center: { left: 10, top: 20 } });
+
+  // zoom 200% in on the pixel (10, 20) 
+  plot.zoom({ amount: 2, center: { left: 10, top: 20 } });
+  
+  // pan 100 pixels to the left and 20 down
+  plot.pan({ left: -100, top: 20 })
+
+Here, "center" specifies where the center of the zooming should
+happen. Note that this is defined in pixel space, not the space of the
+data points (you can use the p2c helpers on the axes in Flot to help
+you convert between these).
+
+"amount" is the amount to zoom the viewport relative to the current
+range, so 1 is 100% (i.e. no change), 1.5 is 150% (zoom in), 0.7 is
+70% (zoom out). You can set the default in the options.
+  
+*/
+
+
+// First two dependencies, jquery.event.drag.js and
+// jquery.mousewheel.js, we put them inline here to save people the
+// effort of downloading them.
+
+/*
+jquery.event.drag.js ~ v1.5 ~ Copyright (c) 2008, Three Dub Media (http://threedubmedia.com)  
+Licensed under the MIT License ~ http://threedubmedia.googlecode.com/files/MIT-LICENSE.txt
+*/
+(function(E){E.fn.drag=function(L,K,J){if(K){this.bind("dragstart",L)}if(J){this.bind("dragend",J)}return !L?this.trigger("drag"):this.bind("drag",K?K:L)};var A=E.event,B=A.special,F=B.drag={not:":input",distance:0,which:1,dragging:false,setup:function(J){J=E.extend({distance:F.distance,which:F.which,not:F.not},J||{});J.distance=I(J.distance);A.add(this,"mousedown",H,J);if(this.attachEvent){this.attachEvent("ondragstart",D)}},teardown:function(){A.remove(this,"mousedown",H);if(this===F.dragging){F.dragging=F.proxy=false}G(this,true);if(this.detachEvent){this.detachEvent("ondragstart",D)}}};B.dragstart=B.dragend={setup:function(){},teardown:function(){}};function H(L){var K=this,J,M=L.data||{};if(M.elem){K=L.dragTarget=M.elem;L.dragProxy=F.proxy||K;L.cursorOffsetX=M.pageX-M.left;L.cursorOffsetY=M.pageY-M.top;L.offsetX=L.pageX-L.cursorOffsetX;L.offsetY=L.pageY-L.cursorOffsetY}else{if(F.dragging||(M.which>0&&L.which!=M.which)||E(L.target).is(M.not)){return }}switch(L.type){case
 "mousedown":E.extend(M,E(K).offset(),{elem:K,target:L.target,pageX:L.pageX,pageY:L.pageY});A.add(document,"mousemove mouseup",H,M);G(K,false);F.dragging=null;return false;case !F.dragging&&"mousemove":if(I(L.pageX-M.pageX)+I(L.pageY-M.pageY)<M.distance){break}L.target=M.target;J=C(L,"dragstart",K);if(J!==false){F.dragging=K;F.proxy=L.dragProxy=E(J||K)[0]}case"mousemove":if(F.dragging){J=C(L,"drag",K);if(B.drop){B.drop.allowed=(J!==false);B.drop.handler(L)}if(J!==false){break}L.type="mouseup"}case"mouseup":A.remove(document,"mousemove mouseup",H);if(F.dragging){if(B.drop){B.drop.handler(L)}C(L,"dragend",K)}G(K,true);F.dragging=F.proxy=M.elem=false;break}return true}function C(M,K,L){M.type=K;var J=E.event.handle.call(L,M);return J===false?false:J||M.result}function I(J){return Math.pow(J,2)}function D(){return(F.dragging===false)}function G(K,J){if(!K){return }K.unselectable=J?"off":"on";K.onselectstart=function(){return J};if(K.style){K.style.MozUserSelect=J?"":"none"}}})(jQ
 uery);
+
+
+/* jquery.mousewheel.min.js
+ * Copyright (c) 2009 Brandon Aaron (http://brandonaaron.net)
+ * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
+ * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
+ * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
+ * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
+ *
+ * Version: 3.0.2
+ * 
+ * Requires: 1.2.2+
+ */
+(function(c){var a=["DOMMouseScroll","mousewheel"];c.event.special.mousewheel={setup:function(){if(this.addEventListener){for(var d=a.length;d;){this.addEventListener(a[--d],b,false)}}else{this.onmousewheel=b}},teardown:function(){if(this.removeEventListener){for(var d=a.length;d;){this.removeEventListener(a[--d],b,false)}}else{this.onmousewheel=null}}};c.fn.extend({mousewheel:function(d){return d?this.bind("mousewheel",d):this.trigger("mousewheel")},unmousewheel:function(d){return this.unbind("mousewheel",d)}});function b(f){var d=[].slice.call(arguments,1),g=0,e=true;f=c.event.fix(f||window.event);f.type="mousewheel";if(f.wheelDelta){g=f.wheelDelta/120}if(f.detail){g=-f.detail/3}d.unshift(f,g);return c.event.handle.apply(this,d)}})(jQuery);
+
+
+
+
+(function ($) {
+    var options = {
+        xaxis: {
+            zoomRange: null, // or [number, number] (min range, max range)
+            panRange: null // or [number, number] (min, max)
+        },
+        zoom: {
+            interactive: false,
+            trigger: "dblclick", // or "click" for single click
+            amount: 1.5 // how much to zoom relative to current position, 2 = 200% (zoom in), 0.5 = 50% (zoom out)
+        },
+        pan: {
+            interactive: false,
+            cursor: "move",
+            frameRate: 20
+        }
+    };
+
+    function init(plot) {
+        function onZoomClick(e, zoomOut) {
+            var c = plot.offset();
+            c.left = e.pageX - c.left;
+            c.top = e.pageY - c.top;
+            if (zoomOut)
+                plot.zoomOut({ center: c });
+            else
+                plot.zoom({ center: c });
+        }
+
+        function onMouseWheel(e, delta) {
+            onZoomClick(e, delta < 0);
+            return false;
+        }
+        
+        var prevCursor = 'default', prevPageX = 0, prevPageY = 0,
+            panTimeout = null;
+
+        function onDragStart(e) {
+            if (e.which != 1)  // only accept left-click
+                return false;
+            var c = plot.getPlaceholder().css('cursor');
+            if (c)
+                prevCursor = c;
+            plot.getPlaceholder().css('cursor', plot.getOptions().pan.cursor);
+            prevPageX = e.pageX;
+            prevPageY = e.pageY;
+        }
+        
+        function onDrag(e) {
+            var frameRate = plot.getOptions().pan.frameRate;
+            if (panTimeout || !frameRate)
+                return;
+
+            panTimeout = setTimeout(function () {
+                plot.pan({ left: prevPageX - e.pageX,
+                           top: prevPageY - e.pageY });
+                prevPageX = e.pageX;
+                prevPageY = e.pageY;
+                                                    
+                panTimeout = null;
+            }, 1 / frameRate * 1000);
+        }
+
+        function onDragEnd(e) {
+            if (panTimeout) {
+                clearTimeout(panTimeout);
+                panTimeout = null;
+            }
+                    
+            plot.getPlaceholder().css('cursor', prevCursor);
+            plot.pan({ left: prevPageX - e.pageX,
+                       top: prevPageY - e.pageY });
+        }
+        
+        function bindEvents(plot, eventHolder) {
+            var o = plot.getOptions();
+            if (o.zoom.interactive) {
+                eventHolder[o.zoom.trigger](onZoomClick);
+                eventHolder.mousewheel(onMouseWheel);
+            }
+
+            if (o.pan.interactive) {
+                eventHolder.bind("dragstart", { distance: 10 }, onDragStart);
+                eventHolder.bind("drag", onDrag);
+                eventHolder.bind("dragend", onDragEnd);
+            }
+        }
+
+        plot.zoomOut = function (args) {
+            if (!args)
+                args = {};
+            
+            if (!args.amount)
+                args.amount = plot.getOptions().zoom.amount
+
+            args.amount = 1 / args.amount;
+            plot.zoom(args);
+        }
+        
+        plot.zoom = function (args) {
+            if (!args)
+                args = {};
+            
+            var c = args.center,
+                amount = args.amount || plot.getOptions().zoom.amount,
+                w = plot.width(), h = plot.height();
+
+            if (!c)
+                c = { left: w / 2, top: h / 2 };
+                
+            var xf = c.left / w,
+                yf = c.top / h,
+                minmax = {
+                    x: {
+                        min: c.left - xf * w / amount,
+                        max: c.left + (1 - xf) * w / amount
+                    },
+                    y: {
+                        min: c.top - yf * h / amount,
+                        max: c.top + (1 - yf) * h / amount
+                    }
+                };
+
+            $.each(plot.getAxes(), function(_, axis) {
+                var opts = axis.options,
+                    min = minmax[axis.direction].min,
+                    max = minmax[axis.direction].max,
+                    zr = opts.zoomRange;
+
+                if (zr === false) // no zooming on this axis
+                    return;
+                    
+                min = axis.c2p(min);
+                max = axis.c2p(max);
+                if (min > max) {
+                    // make sure min < max
+                    var tmp = min;
+                    min = max;
+                    max = tmp;
+                }
+
+                var range = max - min;
+                if (zr &&
+                    ((zr[0] != null && range < zr[0]) ||
+                     (zr[1] != null && range > zr[1])))
+                    return;
+            
+                opts.min = min;
+                opts.max = max;
+            });
+            
+            plot.setupGrid();
+            plot.draw();
+            
+            if (!args.preventEvent)
+                plot.getPlaceholder().trigger("plotzoom", [ plot ]);
+        }
+
+        plot.pan = function (args) {
+            var delta = {
+                x: +args.left,
+                y: +args.top
+            };
+
+            if (isNaN(delta.x))
+                delta.x = 0;
+            if (isNaN(delta.y))
+                delta.y = 0;
+
+            $.each(plot.getAxes(), function (_, axis) {
+                var opts = axis.options,
+                    min, max, d = delta[axis.direction];
+
+                min = axis.c2p(axis.p2c(axis.min) + d),
+                max = axis.c2p(axis.p2c(axis.max) + d);
+
+                var pr = opts.panRange;
+                if (pr === false) // no panning on this axis
+                    return;
+                
+                if (pr) {
+                    // check whether we hit the wall
+                    if (pr[0] != null && pr[0] > min) {
+                        d = pr[0] - min;
+                        min += d;
+                        max += d;
+                    }
+                    
+                    if (pr[1] != null && pr[1] < max) {
+                        d = pr[1] - max;
+                        min += d;
+                        max += d;
+                    }
+                }
+                
+                opts.min = min;
+                opts.max = max;
+            });
+            
+            plot.setupGrid();
+            plot.draw();
+            
+            if (!args.preventEvent)
+                plot.getPlaceholder().trigger("plotpan", [ plot ]);
+        }
+
+        function shutdown(plot, eventHolder) {
+            eventHolder.unbind(plot.getOptions().zoom.trigger, onZoomClick);
+            eventHolder.unbind("mousewheel", onMouseWheel);
+            eventHolder.unbind("dragstart", onDragStart);
+            eventHolder.unbind("drag", onDrag);
+            eventHolder.unbind("dragend", onDragEnd);
+            if (panTimeout)
+                clearTimeout(panTimeout);
+        }
+        
+        plot.hooks.bindEvents.push(bindEvents);
+        plot.hooks.shutdown.push(shutdown);
+    }
+    
+    $.plot.plugins.push({
+        init: init,
+        options: options,
+        name: 'navigate',
+        version: '1.3'
+    });
+})(jQuery);

Added: incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.min.js
URL: http://svn.apache.org/viewvc/incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.min.js?rev=1185381&view=auto
==============================================================================
--- incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.min.js (added)
+++ incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.navigate.min.js Mon Oct 17 21:21:58 2011
@@ -0,0 +1 @@
+(function(i){i.fn.drag=function(j,k,l){if(k){this.bind("dragstart",j)}if(l){this.bind("dragend",l)}return !j?this.trigger("drag"):this.bind("drag",k?k:j)};var d=i.event,c=d.special,h=c.drag={not:":input",distance:0,which:1,dragging:false,setup:function(j){j=i.extend({distance:h.distance,which:h.which,not:h.not},j||{});j.distance=e(j.distance);d.add(this,"mousedown",f,j);if(this.attachEvent){this.attachEvent("ondragstart",a)}},teardown:function(){d.remove(this,"mousedown",f);if(this===h.dragging){h.dragging=h.proxy=false}g(this,true);if(this.detachEvent){this.detachEvent("ondragstart",a)}}};c.dragstart=c.dragend={setup:function(){},teardown:function(){}};function f(j){var k=this,l,m=j.data||{};if(m.elem){k=j.dragTarget=m.elem;j.dragProxy=h.proxy||k;j.cursorOffsetX=m.pageX-m.left;j.cursorOffsetY=m.pageY-m.top;j.offsetX=j.pageX-j.cursorOffsetX;j.offsetY=j.pageY-j.cursorOffsetY}else{if(h.dragging||(m.which>0&&j.which!=m.which)||i(j.target).is(m.not)){return}}switch(j.type){case"
 mousedown":i.extend(m,i(k).offset(),{elem:k,target:j.target,pageX:j.pageX,pageY:j.pageY});d.add(document,"mousemove mouseup",f,m);g(k,false);h.dragging=null;return false;case !h.dragging&&"mousemove":if(e(j.pageX-m.pageX)+e(j.pageY-m.pageY)<m.distance){break}j.target=m.target;l=b(j,"dragstart",k);if(l!==false){h.dragging=k;h.proxy=j.dragProxy=i(l||k)[0]}case"mousemove":if(h.dragging){l=b(j,"drag",k);if(c.drop){c.drop.allowed=(l!==false);c.drop.handler(j)}if(l!==false){break}j.type="mouseup"}case"mouseup":d.remove(document,"mousemove mouseup",f);if(h.dragging){if(c.drop){c.drop.handler(j)}b(j,"dragend",k)}g(k,true);h.dragging=h.proxy=m.elem=false;break}return true}function b(m,k,j){m.type=k;var l=i.event.handle.call(j,m);return l===false?false:l||m.result}function e(j){return Math.pow(j,2)}function a(){return(h.dragging===false)}function g(j,k){if(!j){return}j.unselectable=k?"off":"on";j.onselectstart=function(){return k};if(j.style){j.style.MozUserSelect=k?"":"none"}}})(jQue
 ry);(function(f){var e=["DOMMouseScroll","mousewheel"];f.event.special.mousewheel={setup:function(){if(this.addEventListener){for(var a=e.length;a;){this.addEventListener(e[--a],d,false)}}else{this.onmousewheel=d}},teardown:function(){if(this.removeEventListener){for(var a=e.length;a;){this.removeEventListener(e[--a],d,false)}}else{this.onmousewheel=null}}};f.fn.extend({mousewheel:function(a){return a?this.bind("mousewheel",a):this.trigger("mousewheel")},unmousewheel:function(a){return this.unbind("mousewheel",a)}});function d(b){var h=[].slice.call(arguments,1),a=0,c=true;b=f.event.fix(b||window.event);b.type="mousewheel";if(b.wheelDelta){a=b.wheelDelta/120}if(b.detail){a=-b.detail/3}h.unshift(b,a);return f.event.handle.apply(this,h)}})(jQuery);(function(b){var a={xaxis:{zoomRange:null,panRange:null},zoom:{interactive:false,trigger:"dblclick",amount:1.5},pan:{interactive:false,cursor:"move",frameRate:20}};function c(o){function m(q,p){var r=o.offset();r.left=q.pageX-r.left;
 r.top=q.pageY-r.top;if(p){o.zoomOut({center:r})}else{o.zoom({center:r})}}function d(p,q){m(p,q<0);return false}var i="default",g=0,e=0,n=null;function f(p){if(p.which!=1){return false}var q=o.getPlaceholder().css("cursor");if(q){i=q}o.getPlaceholder().css("cursor",o.getOptions().pan.cursor);g=p.pageX;e=p.pageY}function j(q){var p=o.getOptions().pan.frameRate;if(n||!p){return}n=setTimeout(function(){o.pan({left:g-q.pageX,top:e-q.pageY});g=q.pageX;e=q.pageY;n=null},1/p*1000)}function h(p){if(n){clearTimeout(n);n=null}o.getPlaceholder().css("cursor",i);o.pan({left:g-p.pageX,top:e-p.pageY})}function l(q,p){var r=q.getOptions();if(r.zoom.interactive){p[r.zoom.trigger](m);p.mousewheel(d)}if(r.pan.interactive){p.bind("dragstart",{distance:10},f);p.bind("drag",j);p.bind("dragend",h)}}o.zoomOut=function(p){if(!p){p={}}if(!p.amount){p.amount=o.getOptions().zoom.amount}p.amount=1/p.amount;o.zoom(p)};o.zoom=function(q){if(!q){q={}}var x=q.center,r=q.amount||o.getOptions().zoom.amount,p=
 o.width(),t=o.height();if(!x){x={left:p/2,top:t/2}}var s=x.left/p,v=x.top/t,u={x:{min:x.left-s*p/r,max:x.left+(1-s)*p/r},y:{min:x.top-v*t/r,max:x.top+(1-v)*t/r}};b.each(o.getAxes(),function(z,C){var D=C.options,B=u[C.direction].min,w=u[C.direction].max,E=D.zoomRange;if(E===false){return}B=C.c2p(B);w=C.c2p(w);if(B>w){var A=B;B=w;w=A}var y=w-B;if(E&&((E[0]!=null&&y<E[0])||(E[1]!=null&&y>E[1]))){return}D.min=B;D.max=w});o.setupGrid();o.draw();if(!q.preventEvent){o.getPlaceholder().trigger("plotzoom",[o])}};o.pan=function(p){var q={x:+p.left,y:+p.top};if(isNaN(q.x)){q.x=0}if(isNaN(q.y)){q.y=0}b.each(o.getAxes(),function(s,u){var v=u.options,t,r,w=q[u.direction];t=u.c2p(u.p2c(u.min)+w),r=u.c2p(u.p2c(u.max)+w);var x=v.panRange;if(x===false){return}if(x){if(x[0]!=null&&x[0]>t){w=x[0]-t;t+=w;r+=w}if(x[1]!=null&&x[1]<r){w=x[1]-r;t+=w;r+=w}}v.min=t;v.max=r});o.setupGrid();o.draw();if(!p.preventEvent){o.getPlaceholder().trigger("plotpan",[o])}};function k(q,p){p.unbind(q.getOptions().z
 oom.trigger,m);p.unbind("mousewheel",d);p.unbind("dragstart",f);p.unbind("drag",j);p.unbind("dragend",h);if(n){clearTimeout(n)}}o.hooks.bindEvents.push(l);o.hooks.shutdown.push(k)}b.plot.plugins.push({init:c,options:a,name:"navigate",version:"1.3"})})(jQuery);
\ No newline at end of file

Added: incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.pie.js
URL: http://svn.apache.org/viewvc/incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.pie.js?rev=1185381&view=auto
==============================================================================
--- incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.pie.js (added)
+++ incubator/accumulo/branches/1.3/src/server/src/main/resources/web/flot/jquery.flot.pie.js Mon Oct 17 21:21:58 2011
@@ -0,0 +1,750 @@
+/*
+Flot plugin for rendering pie charts. The plugin assumes the data is 
+coming is as a single data value for each series, and each of those 
+values is a positive value or zero (negative numbers don't make 
+any sense and will cause strange effects). The data values do 
+NOT need to be passed in as percentage values because it 
+internally calculates the total and percentages.
+
+* Created by Brian Medendorp, June 2009
+* Updated November 2009 with contributions from: btburnett3, Anthony Aragues and Xavi Ivars
+
+* Changes:
+	2009-10-22: lineJoin set to round
+	2009-10-23: IE full circle fix, donut
+	2009-11-11: Added basic hover from btburnett3 - does not work in IE, and center is off in Chrome and Opera
+	2009-11-17: Added IE hover capability submitted by Anthony Aragues
+	2009-11-18: Added bug fix submitted by Xavi Ivars (issues with arrays when other JS libraries are included as well)
+		
+
+Available options are:
+series: {
+	pie: {
+		show: true/false
+		radius: 0-1 for percentage of fullsize, or a specified pixel length, or 'auto'
+		innerRadius: 0-1 for percentage of fullsize or a specified pixel length, for creating a donut effect
+		startAngle: 0-2 factor of PI used for starting angle (in radians) i.e 3/2 starts at the top, 0 and 2 have the same result
+		tilt: 0-1 for percentage to tilt the pie, where 1 is no tilt, and 0 is completely flat (nothing will show)
+		offset: {
+			top: integer value to move the pie up or down
+			left: integer value to move the pie left or right, or 'auto'
+		},
+		stroke: {
+			color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#FFF')
+			width: integer pixel width of the stroke
+		},
+		label: {
+			show: true/false, or 'auto'
+			formatter:  a user-defined function that modifies the text/style of the label text
+			radius: 0-1 for percentage of fullsize, or a specified pixel length
+			background: {
+				color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#000')
+				opacity: 0-1
+			},
+			threshold: 0-1 for the percentage value at which to hide labels (if they're too small)
+		},
+		combine: {
+			threshold: 0-1 for the percentage value at which to combine slices (if they're too small)
+			color: any hexidecimal color value (other formats may or may not work, so best to stick with something like '#CCC'), if null, the plugin will automatically use the color of the first slice to be combined
+			label: any text value of what the combined slice should be labeled
+		}
+		highlight: {
+			opacity: 0-1
+		}
+	}
+}
+
+More detail and specific examples can be found in the included HTML file.
+
+*/
+
+(function ($) 
+{
+	function init(plot) // this is the "body" of the plugin
+	{
+		var canvas = null;
+		var target = null;
+		var maxRadius = null;
+		var centerLeft = null;
+		var centerTop = null;
+		var total = 0;
+		var redraw = true;
+		var redrawAttempts = 10;
+		var shrink = 0.95;
+		var legendWidth = 0;
+		var processed = false;
+		var raw = false;
+		
+		// interactive variables	
+		var highlights = [];	
+	
+		// add hook to determine if pie plugin in enabled, and then perform necessary operations
+		plot.hooks.processOptions.push(checkPieEnabled);
+		plot.hooks.bindEvents.push(bindEvents);	
+
+		// check to see if the pie plugin is enabled
+		function checkPieEnabled(plot, options)
+		{
+			if (options.series.pie.show)
+			{
+				//disable grid
+				options.grid.show = false;
+				
+				// set labels.show
+				if (options.series.pie.label.show=='auto')
+					if (options.legend.show)
+						options.series.pie.label.show = false;
+					else
+						options.series.pie.label.show = true;
+				
+				// set radius
+				if (options.series.pie.radius=='auto')
+					if (options.series.pie.label.show)
+						options.series.pie.radius = 3/4;
+					else
+						options.series.pie.radius = 1;
+						
+				// ensure sane tilt
+				if (options.series.pie.tilt>1)
+					options.series.pie.tilt=1;
+				if (options.series.pie.tilt<0)
+					options.series.pie.tilt=0;
+			
+				// add processData hook to do transformations on the data
+				plot.hooks.processDatapoints.push(processDatapoints);
+				plot.hooks.drawOverlay.push(drawOverlay);	
+				
+				// add draw hook
+				plot.hooks.draw.push(draw);
+			}
+		}
+	
+		// bind hoverable events
+		function bindEvents(plot, eventHolder) 		
+		{		
+			var options = plot.getOptions();
+			
+			if (options.series.pie.show && options.grid.hoverable)
+				eventHolder.unbind('mousemove').mousemove(onMouseMove);
+				
+			if (options.series.pie.show && options.grid.clickable)
+				eventHolder.unbind('click').click(onClick);
+		}	
+		
+
+		// debugging function that prints out an object
+		function alertObject(obj)
+		{
+			var msg = '';
+			function traverse(obj, depth)
+			{
+				if (!depth)
+					depth = 0;
+				for (var i = 0; i < obj.length; ++i)
+				{
+					for (var j=0; j<depth; j++)
+						msg += '\t';
+				
+					if( typeof obj[i] == "object")
+					{	// its an object
+						msg += ''+i+':\n';
+						traverse(obj[i], depth+1);
+					}
+					else
+					{	// its a value
+						msg += ''+i+': '+obj[i]+'\n';
+					}
+				}
+			}
+			traverse(obj);
+			alert(msg);
+		}
+		
+		function calcTotal(data)
+		{
+			for (var i = 0; i < data.length; ++i)
+			{
+				var item = parseFloat(data[i].data[0][1]);
+				if (item)
+					total += item;
+			}
+		}	
+		
+		function processDatapoints(plot, series, data, datapoints) 
+		{	
+			if (!processed)
+			{
+				processed = true;
+			
+				canvas = plot.getCanvas();
+				target = $(canvas).parent();
+				options = plot.getOptions();
+			
+				plot.setData(combine(plot.getData()));
+			}
+		}
+		
+		function setupPie()
+		{
+			legendWidth = target.children().filter('.legend').children().width();
+		
+			// calculate maximum radius and center point
+			maxRadius =  Math.min(canvas.width,(canvas.height/options.series.pie.tilt))/2;
+			centerTop = (canvas.height/2)+options.series.pie.offset.top;
+			centerLeft = (canvas.width/2);
+			
+			if (options.series.pie.offset.left=='auto')
+				if (options.legend.position.match('w'))
+					centerLeft += legendWidth/2;
+				else
+					centerLeft -= legendWidth/2;
+			else
+				centerLeft += options.series.pie.offset.left;
+					
+			if (centerLeft<maxRadius)
+				centerLeft = maxRadius;
+			else if (centerLeft>canvas.width-maxRadius)
+				centerLeft = canvas.width-maxRadius;
+		}
+		
+		function fixData(data)
+		{
+			for (var i = 0; i < data.length; ++i)
+			{
+				if (typeof(data[i].data)=='number')
+					data[i].data = [[1,data[i].data]];
+				else if (typeof(data[i].data)=='undefined' || typeof(data[i].data[0])=='undefined')
+				{
+					if (typeof(data[i].data)!='undefined' && typeof(data[i].data.label)!='undefined')
+						data[i].label = data[i].data.label; // fix weirdness coming from flot
+					data[i].data = [[1,0]];
+					
+				}
+			}
+			return data;
+		}
+		
+		function combine(data)
+		{
+			data = fixData(data);
+			calcTotal(data);
+			var combined = 0;
+			var numCombined = 0;
+			var color = options.series.pie.combine.color;
+			
+			var newdata = [];
+			for (var i = 0; i < data.length; ++i)
+			{
+				// make sure its a number
+				data[i].data[0][1] = parseFloat(data[i].data[0][1]);
+				if (!data[i].data[0][1])
+					data[i].data[0][1] = 0;
+					
+				if (data[i].data[0][1]/total<=options.series.pie.combine.threshold)
+				{
+					combined += data[i].data[0][1];
+					numCombined++;
+					if (!color)
+						color = data[i].color;
+				}				
+				else
+				{
+					newdata.push({
+						data: [[1,data[i].data[0][1]]], 
+						color: data[i].color, 
+						label: data[i].label,
+						angle: (data[i].data[0][1]*(Math.PI*2))/total,
+						percent: (data[i].data[0][1]/total*100)
+					});
+				}
+			}
+			if (numCombined>0)
+				newdata.push({
+					data: [[1,combined]], 
+					color: color, 
+					label: options.series.pie.combine.label,
+					angle: (combined*(Math.PI*2))/total,
+					percent: (combined/total*100)
+				});
+			return newdata;
+		}		
+		
+		function draw(plot, newCtx)
+		{
+			if (!target) return; // if no series were passed
+			ctx = newCtx;
+		
+			setupPie();
+			var slices = plot.getData();
+		
+			var attempts = 0;
+			while (redraw && attempts<redrawAttempts)
+			{
+				redraw = false;
+				if (attempts>0)
+					maxRadius *= shrink;
+				attempts += 1;
+				clear();
+				if (options.series.pie.tilt<=0.8)
+					drawShadow();
+				drawPie();
+			}
+			if (attempts >= redrawAttempts) {
+				clear();
+				target.prepend('<div class="error">Could not draw pie with labels contained inside canvas</div>');
+			}
+			
+			if ( plot.setSeries && plot.insertLegend )
+			{
+				plot.setSeries(slices);
+				plot.insertLegend();
+			}
+			
+			// we're actually done at this point, just defining internal functions at this point
+			
+			function clear()
+			{
+				ctx.clearRect(0,0,canvas.width,canvas.height);
+				target.children().filter('.pieLabel, .pieLabelBackground').remove();
+			}
+			
+			function drawShadow()
+			{
+				var shadowLeft = 5;
+				var shadowTop = 15;
+				var edge = 10;
+				var alpha = 0.02;
+			
+				// set radius
+				if (options.series.pie.radius>1)
+					var radius = options.series.pie.radius;
+				else
+					var radius = maxRadius * options.series.pie.radius;
+					
+				if (radius>=(canvas.width/2)-shadowLeft || radius*options.series.pie.tilt>=(canvas.height/2)-shadowTop || radius<=edge)
+					return;	// shadow would be outside canvas, so don't draw it
+			
+				ctx.save();
+				ctx.translate(shadowLeft,shadowTop);
+				ctx.globalAlpha = alpha;
+				ctx.fillStyle = '#000';
+
+				// center and rotate to starting position
+				ctx.translate(centerLeft,centerTop);
+				ctx.scale(1, options.series.pie.tilt);
+				
+				//radius -= edge;
+				for (var i=1; i<=edge; i++)
+				{
+					ctx.beginPath();
+					ctx.arc(0,0,radius,0,Math.PI*2,false);
+					ctx.fill();
+					radius -= i;
+				}	
+				
+				ctx.restore();
+			}
+			
+			function drawPie()
+			{
+				startAngle = Math.PI*options.series.pie.startAngle;
+				
+				// set radius
+				if (options.series.pie.radius>1)
+					var radius = options.series.pie.radius;
+				else
+					var radius = maxRadius * options.series.pie.radius;
+				
+				// center and rotate to starting position
+				ctx.save();
+				ctx.translate(centerLeft,centerTop);
+				ctx.scale(1, options.series.pie.tilt);
+				//ctx.rotate(startAngle); // start at top; -- This doesn't work properly in Opera
+				
+				// draw slices
+				ctx.save();
+				var currentAngle = startAngle;
+				for (var i = 0; i < slices.length; ++i)
+				{
+					slices[i].startAngle = currentAngle;
+					drawSlice(slices[i].angle, slices[i].color, true);
+				}
+				ctx.restore();
+				
+				// draw slice outlines
+				ctx.save();
+				ctx.lineWidth = options.series.pie.stroke.width;
+				currentAngle = startAngle;
+				for (var i = 0; i < slices.length; ++i)
+					drawSlice(slices[i].angle, options.series.pie.stroke.color, false);
+				ctx.restore();
+					
+				// draw donut hole
+				drawDonutHole(ctx);
+				
+				// draw labels
+				if (options.series.pie.label.show)
+					drawLabels();
+				
+				// restore to original state
+				ctx.restore();
+				
+				function drawSlice(angle, color, fill)
+				{	
+					if (angle<=0)
+						return;
+				
+					if (fill)
+						ctx.fillStyle = color;
+					else
+					{
+						ctx.strokeStyle = color;
+						ctx.lineJoin = 'round';
+					}
+						
+					ctx.beginPath();
+					if (Math.abs(angle - Math.PI*2) > 0.000000001)
+						ctx.moveTo(0,0); // Center of the pie
+					else if ($.browser.msie)
+						angle -= 0.0001;
+					//ctx.arc(0,0,radius,0,angle,false); // This doesn't work properly in Opera
+					ctx.arc(0,0,radius,currentAngle,currentAngle+angle,false);
+					ctx.closePath();
+					//ctx.rotate(angle); // This doesn't work properly in Opera
+					currentAngle += angle;
+					
+					if (fill)
+						ctx.fill();
+					else
+						ctx.stroke();
+				}
+				
+				function drawLabels()
+				{
+					var currentAngle = startAngle;
+					
+					// set radius
+					if (options.series.pie.label.radius>1)
+						var radius = options.series.pie.label.radius;
+					else
+						var radius = maxRadius * options.series.pie.label.radius;
+					
+					for (var i = 0; i < slices.length; ++i)
+					{
+						if (slices[i].percent >= options.series.pie.label.threshold*100)
+							drawLabel(slices[i], currentAngle, i);
+						currentAngle += slices[i].angle;
+					}
+					
+					function drawLabel(slice, startAngle, index)
+					{
+						if (slice.data[0][1]==0)
+							return;
+							
+						// format label text
+						var lf = options.legend.labelFormatter, text, plf = options.series.pie.label.formatter;
+						if (lf)
+							text = lf(slice.label, slice);
+						else
+							text = slice.label;
+						if (plf)
+							text = plf(text, slice);
+							
+						var halfAngle = ((startAngle+slice.angle) + startAngle)/2;
+						var x = centerLeft + Math.round(Math.cos(halfAngle) * radius);
+						var y = centerTop + Math.round(Math.sin(halfAngle) * radius) * options.series.pie.tilt;
+						
+						var html = '<span class="pieLabel" id="pieLabel'+index+'" style="position:absolute;top:' + y + 'px;left:' + x + 'px;">' + text + "</span>";
+						target.append(html);
+						var label = target.children('#pieLabel'+index);
+						var labelTop = (y - label.height()/2);
+						var labelLeft = (x - label.width()/2);
+						label.css('top', labelTop);
+						label.css('left', labelLeft);
+						
+						// check to make sure that the label is not outside the canvas
+						if (0-labelTop>0 || 0-labelLeft>0 || canvas.height-(labelTop+label.height())<0 || canvas.width-(labelLeft+label.width())<0)
+							redraw = true;
+						
+						if (options.series.pie.label.background.opacity != 0) {
+							// put in the transparent background separately to avoid blended labels and label boxes
+							var c = options.series.pie.label.background.color;
+							if (c == null) {
+								c = slice.color;
+							}
+							var pos = 'top:'+labelTop+'px;left:'+labelLeft+'px;';
+							$('<div class="pieLabelBackground" style="position:absolute;width:' + label.width() + 'px;height:' + label.height() + 'px;' + pos +'background-color:' + c + ';"> </div>').insertBefore(label).css('opacity', options.series.pie.label.background.opacity);
+						}
+					} // end individual label function
+				} // end drawLabels function
+			} // end drawPie function
+		} // end draw function
+		
+		// Placed here because it needs to be accessed from multiple locations 
+		function drawDonutHole(layer)
+		{
+			// draw donut hole
+			if(options.series.pie.innerRadius > 0)
+			{
+				// subtract the center
+				layer.save();
+				innerRadius = options.series.pie.innerRadius > 1 ? options.series.pie.innerRadius : maxRadius * options.series.pie.innerRadius;
+				layer.globalCompositeOperation = 'destination-out'; // this does not work with excanvas, but it will fall back to using the stroke color
+				layer.beginPath();
+				layer.fillStyle = options.series.pie.stroke.color;
+				layer.arc(0,0,innerRadius,0,Math.PI*2,false);
+				layer.fill();
+				layer.closePath();
+				layer.restore();
+				
+				// add inner stroke
+				layer.save();
+				layer.beginPath();
+				layer.strokeStyle = options.series.pie.stroke.color;
+				layer.arc(0,0,innerRadius,0,Math.PI*2,false);
+				layer.stroke();
+				layer.closePath();
+				layer.restore();
+				// TODO: add extra shadow inside hole (with a mask) if the pie is tilted.
+			}
+		}
+		
+		//-- Additional Interactive related functions --
+		
+		function isPointInPoly(poly, pt)
+		{
+			for(var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i)
+				((poly[i][1] <= pt[1] && pt[1] < poly[j][1]) || (poly[j][1] <= pt[1] && pt[1]< poly[i][1]))
+				&& (pt[0] < (poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1]) / (poly[j][1] - poly[i][1]) + poly[i][0])
+				&& (c = !c);
+			return c;
+		}
+		
+		function findNearbySlice(mouseX, mouseY)
+		{
+			var slices = plot.getData(),
+				options = plot.getOptions(),
+				radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius;
+			
+			for (var i = 0; i < slices.length; ++i) 
+			{
+				var s = slices[i];	
+				
+				if(s.pie.show)
+				{
+					ctx.save();
+					ctx.beginPath();
+					ctx.moveTo(0,0); // Center of the pie
+					//ctx.scale(1, options.series.pie.tilt);	// this actually seems to break everything when here.
+					ctx.arc(0,0,radius,s.startAngle,s.startAngle+s.angle,false);
+					ctx.closePath();
+					x = mouseX-centerLeft;
+					y = mouseY-centerTop;
+					if(ctx.isPointInPath)
+					{
+						if (ctx.isPointInPath(mouseX-centerLeft, mouseY-centerTop))
+						{
+							//alert('found slice!');
+							ctx.restore();
+							return {datapoint: [s.percent, s.data], dataIndex: 0, series: s, seriesIndex: i};
+						}
+					}
+					else
+					{
+						// excanvas for IE doesn;t support isPointInPath, this is a workaround. 
+						p1X = (radius * Math.cos(s.startAngle));
+						p1Y = (radius * Math.sin(s.startAngle));
+						p2X = (radius * Math.cos(s.startAngle+(s.angle/4)));
+						p2Y = (radius * Math.sin(s.startAngle+(s.angle/4)));
+						p3X = (radius * Math.cos(s.startAngle+(s.angle/2)));
+						p3Y = (radius * Math.sin(s.startAngle+(s.angle/2)));
+						p4X = (radius * Math.cos(s.startAngle+(s.angle/1.5)));
+						p4Y = (radius * Math.sin(s.startAngle+(s.angle/1.5)));
+						p5X = (radius * Math.cos(s.startAngle+s.angle));
+						p5Y = (radius * Math.sin(s.startAngle+s.angle));
+						arrPoly = [[0,0],[p1X,p1Y],[p2X,p2Y],[p3X,p3Y],[p4X,p4Y],[p5X,p5Y]];
+						arrPoint = [x,y];
+						// TODO: perhaps do some mathmatical trickery here with the Y-coordinate to compensate for pie tilt?
+						if(isPointInPoly(arrPoly, arrPoint))
+						{
+							ctx.restore();
+							return {datapoint: [s.percent, s.data], dataIndex: 0, series: s, seriesIndex: i};
+						}			
+					}
+					ctx.restore();
+				}
+			}
+			
+			return null;
+		}
+
+		function onMouseMove(e) 
+		{
+			triggerClickHoverEvent('plothover', e);
+		}
+		
+        function onClick(e) 
+		{
+			triggerClickHoverEvent('plotclick', e);
+        }
+
+		// trigger click or hover event (they send the same parameters so we share their code)
+		function triggerClickHoverEvent(eventname, e) 
+		{
+			var offset = plot.offset(),
+				canvasX = parseInt(e.pageX - offset.left),
+				canvasY =  parseInt(e.pageY - offset.top),
+				item = findNearbySlice(canvasX, canvasY);
+			
+			if (options.grid.autoHighlight) 
+			{
+				// clear auto-highlights
+				for (var i = 0; i < highlights.length; ++i) 
+				{
+					var h = highlights[i];
+					if (h.auto == eventname && !(item && h.series == item.series))
+						unhighlight(h.series);
+				}
+			}
+			
+			// highlight the slice
+			if (item) 
+			    highlight(item.series, eventname);
+				
+			// trigger any hover bind events
+			var pos = { pageX: e.pageX, pageY: e.pageY };
+			target.trigger(eventname, [ pos, item ]);	
+		}
+
+		function highlight(s, auto) 
+		{
+			if (typeof s == "number")
+				s = series[s];
+
+			var i = indexOfHighlight(s);
+			if (i == -1) 
+			{
+				highlights.push({ series: s, auto: auto });
+				plot.triggerRedrawOverlay();
+			}
+			else if (!auto)
+				highlights[i].auto = false;
+		}
+
+		function unhighlight(s) 
+		{
+			if (s == null) 
+			{
+				highlights = [];
+				plot.triggerRedrawOverlay();
+			}
+			
+			if (typeof s == "number")
+				s = series[s];
+
+			var i = indexOfHighlight(s);
+			if (i != -1) 
+			{
+				highlights.splice(i, 1);
+				plot.triggerRedrawOverlay();
+			}
+		}
+
+		function indexOfHighlight(s) 
+		{
+			for (var i = 0; i < highlights.length; ++i) 
+			{
+				var h = highlights[i];
+				if (h.series == s)
+					return i;
+			}
+			return -1;
+		}
+
+		function drawOverlay(plot, octx) 
+		{
+			//alert(options.series.pie.radius);
+			var options = plot.getOptions();
+			//alert(options.series.pie.radius);
+			
+			var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius;
+
+			octx.save();
+			octx.translate(centerLeft, centerTop);
+			octx.scale(1, options.series.pie.tilt);
+			
+			for (i = 0; i < highlights.length; ++i) 
+				drawHighlight(highlights[i].series);
+			
+			drawDonutHole(octx);
+
+			octx.restore();
+
+			function drawHighlight(series) 
+			{
+				if (series.angle < 0) return;
+				
+				//octx.fillStyle = parseColor(options.series.pie.highlight.color).scale(null, null, null, options.series.pie.highlight.opacity).toString();
+				octx.fillStyle = "rgba(255, 255, 255, "+options.series.pie.highlight.opacity+")"; // this is temporary until we have access to parseColor
+				
+				octx.beginPath();
+				if (Math.abs(series.angle - Math.PI*2) > 0.000000001)
+					octx.moveTo(0,0); // Center of the pie
+				octx.arc(0,0,radius,series.startAngle,series.startAngle+series.angle,false);
+				octx.closePath();
+				octx.fill();
+			}
+			
+		}	
+		
+	} // end init (plugin body)
+	
+	// define pie specific options and their default values
+	var options = {
+		series: {
+			pie: {
+				show: false,
+				radius: 'auto',	// actual radius of the visible pie (based on full calculated radius if <=1, or hard pixel value)
+				innerRadius:0, /* for donut */
+				startAngle: 3/2,
+				tilt: 1,
+				offset: {
+					top: 0,
+					left: 'auto'
+				},
+				stroke: {
+					color: '#FFF',
+					width: 1
+				},
+				label: {
+					show: 'auto',
+					formatter: function(label, slice){
+						return '<div style="font-size:x-small;text-align:center;padding:2px;color:'+slice.color+';">'+label+'<br/>'+Math.round(slice.percent)+'%</div>';
+					},	// formatter function
+					radius: 1,	// radius at which to place the labels (based on full calculated radius if <=1, or hard pixel value)
+					background: {
+						color: null,
+						opacity: 0
+					},
+					threshold: 0	// percentage at which to hide the label (i.e. the slice is too narrow)
+				},
+				combine: {
+					threshold: -1,	// percentage at which to combine little slices into one larger slice
+					color: null,	// color to give the new slice (auto-generated if null)
+					label: 'Other'	// label to give the new slice
+				},
+				highlight: {
+					//color: '#FFF',		// will add this functionality once parseColor is available
+					opacity: 0.5
+				}
+			}
+		}
+	};
+    
+	$.plot.plugins.push({
+		init: init,
+		options: options,
+		name: "pie",
+		version: "1.0"
+	});
+})(jQuery);



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