Merging r6206 from branched/iu-vis-dev-branches/vitro-post-1.1 . Adding temporal visualization code to trunk.
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bkoniden
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272
webapp/web/js/jquery_plugins/flot/jquery.flot.navigate.js
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272
webapp/web/js/jquery_plugins/flot/jquery.flot.navigate.js
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/*
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Flot plugin for adding panning and zooming capabilities to a plot.
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The default behaviour is double click and scrollwheel up/down to zoom
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in, drag to pan. The plugin defines plot.zoom({ center }),
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plot.zoomOut() and plot.pan(offset) so you easily can add custom
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controls. It also fires a "plotpan" and "plotzoom" event when
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something happens, useful for synchronizing plots.
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Example usage:
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plot = $.plot(...);
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// zoom default amount in on the pixel (100, 200)
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plot.zoom({ center: { left: 10, top: 20 } });
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// zoom out again
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plot.zoomOut({ center: { left: 10, top: 20 } });
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// pan 100 pixels to the left and 20 down
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plot.pan({ left: -100, top: 20 })
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Options:
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zoom: {
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interactive: false
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trigger: "dblclick" // or "click" for single click
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amount: 1.5 // 2 = 200% (zoom in), 0.5 = 50% (zoom out)
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}
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pan: {
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interactive: false
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}
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xaxis, yaxis, x2axis, y2axis: {
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zoomRange: null // or [number, number] (min range, max range)
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panRange: null // or [number, number] (min, max)
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}
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"interactive" enables the built-in drag/click behaviour. "amount" is
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the amount to zoom the viewport relative to the current range, so 1 is
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100% (i.e. no change), 1.5 is 150% (zoom in), 0.7 is 70% (zoom out).
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"zoomRange" is the interval in which zooming can happen, e.g. with
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zoomRange: [1, 100] the zoom will never scale the axis so that the
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difference between min and max is smaller than 1 or larger than 100.
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You can set either of them to null to ignore.
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"panRange" confines the panning to stay within a range, e.g. with
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panRange: [-10, 20] panning stops at -10 in one end and at 20 in the
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other. Either can be null.
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*/
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// First two dependencies, jquery.event.drag.js and
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// jquery.mousewheel.js, we put them inline here to save people the
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// effort of downloading them.
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/*
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jquery.event.drag.js ~ v1.5 ~ Copyright (c) 2008, Three Dub Media (http://threedubmedia.com)
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Licensed under the MIT License ~ http://threedubmedia.googlecode.com/files/MIT-LICENSE.txt
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*/
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(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"}}})(jQuery);
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/* jquery.mousewheel.min.js
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* Copyright (c) 2009 Brandon Aaron (http://brandonaaron.net)
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* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
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* Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
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* Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
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*
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* Version: 3.0.2
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*
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* Requires: 1.2.2+
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*/
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(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);
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(function ($) {
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var options = {
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xaxis: {
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zoomRange: null, // or [number, number] (min range, max range)
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panRange: null // or [number, number] (min, max)
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},
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zoom: {
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interactive: false,
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trigger: "dblclick", // or "click" for single click
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amount: 1.5 // how much to zoom relative to current position, 2 = 200% (zoom in), 0.5 = 50% (zoom out)
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},
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pan: {
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interactive: false
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}
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};
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function init(plot) {
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function bindEvents(plot, eventHolder) {
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var o = plot.getOptions();
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if (o.zoom.interactive) {
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function clickHandler(e, zoomOut) {
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var c = plot.offset();
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c.left = e.pageX - c.left;
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c.top = e.pageY - c.top;
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if (zoomOut)
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plot.zoomOut({ center: c });
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else
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plot.zoom({ center: c });
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}
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eventHolder[o.zoom.trigger](clickHandler);
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eventHolder.mousewheel(function (e, delta) {
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clickHandler(e, delta < 0);
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return false;
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});
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}
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if (o.pan.interactive) {
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var prevCursor = 'default', pageX = 0, pageY = 0;
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eventHolder.bind("dragstart", { distance: 10 }, function (e) {
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if (e.which != 1) // only accept left-click
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return false;
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eventHolderCursor = eventHolder.css('cursor');
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eventHolder.css('cursor', 'move');
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pageX = e.pageX;
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pageY = e.pageY;
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});
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eventHolder.bind("drag", function (e) {
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// unused at the moment, but we need it here to
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// trigger the dragstart/dragend events
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});
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eventHolder.bind("dragend", function (e) {
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eventHolder.css('cursor', prevCursor);
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plot.pan({ left: pageX - e.pageX,
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top: pageY - e.pageY });
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});
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}
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}
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plot.zoomOut = function (args) {
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if (!args)
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args = {};
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if (!args.amount)
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args.amount = plot.getOptions().zoom.amount
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args.amount = 1 / args.amount;
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plot.zoom(args);
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}
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plot.zoom = function (args) {
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if (!args)
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args = {};
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var axes = plot.getAxes(),
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options = plot.getOptions(),
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c = args.center,
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amount = args.amount ? args.amount : options.zoom.amount,
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w = plot.width(), h = plot.height();
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if (!c)
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c = { left: w / 2, top: h / 2 };
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var xf = c.left / w,
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x1 = c.left - xf * w / amount,
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x2 = c.left + (1 - xf) * w / amount,
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yf = c.top / h,
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y1 = c.top - yf * h / amount,
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y2 = c.top + (1 - yf) * h / amount;
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function scaleAxis(min, max, name) {
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var axis = axes[name],
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axisOptions = options[name];
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if (!axis.used)
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return;
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min = axis.c2p(min);
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max = axis.c2p(max);
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if (max < min) { // make sure min < max
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var tmp = min
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min = max;
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max = tmp;
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}
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var range = max - min, zr = axisOptions.zoomRange;
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if (zr &&
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((zr[0] != null && range < zr[0]) ||
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(zr[1] != null && range > zr[1])))
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return;
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axisOptions.min = min;
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axisOptions.max = max;
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}
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scaleAxis(x1, x2, 'xaxis');
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scaleAxis(x1, x2, 'x2axis');
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scaleAxis(y1, y2, 'yaxis');
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scaleAxis(y1, y2, 'y2axis');
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plot.setupGrid();
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plot.draw();
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if (!args.preventEvent)
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plot.getPlaceholder().trigger("plotzoom", [ plot ]);
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}
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plot.pan = function (args) {
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var l = +args.left, t = +args.top,
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axes = plot.getAxes(), options = plot.getOptions();
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if (isNaN(l))
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l = 0;
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if (isNaN(t))
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t = 0;
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function panAxis(delta, name) {
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var axis = axes[name],
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axisOptions = options[name],
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min, max;
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if (!axis.used)
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return;
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min = axis.c2p(axis.p2c(axis.min) + delta),
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max = axis.c2p(axis.p2c(axis.max) + delta);
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var pr = axisOptions.panRange;
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if (pr) {
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// check whether we hit the wall
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if (pr[0] != null && pr[0] > min) {
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delta = pr[0] - min;
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min += delta;
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max += delta;
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}
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if (pr[1] != null && pr[1] < max) {
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delta = pr[1] - max;
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min += delta;
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max += delta;
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}
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}
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axisOptions.min = min;
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axisOptions.max = max;
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}
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panAxis(l, 'xaxis');
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panAxis(l, 'x2axis');
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panAxis(t, 'yaxis');
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panAxis(t, 'y2axis');
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plot.setupGrid();
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plot.draw();
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if (!args.preventEvent)
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plot.getPlaceholder().trigger("plotpan", [ plot ]);
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}
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plot.hooks.bindEvents.push(bindEvents);
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}
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$.plot.plugins.push({
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init: init,
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options: options,
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name: 'navigate',
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version: '1.1'
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});
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})(jQuery);
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