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authorEbus-at-dockstar <ebus@dockstar>2014-07-25 22:13:55 +0200
committerEbus-at-dockstar <ebus@dockstar>2014-07-25 22:13:55 +0200
commitf6675ccdd7a5997def3c4656f0e2c5dbbbed1fc8 (patch)
tree893a37289de684b95a6184c528e5c9c8547e7197 /datastore-leveldb/wwwroot_laerm/lib/flot-0.7/jquery.flot.navigate.js
parentcfb0c10631bbbd31b525e7992b59de06d3c2e550 (diff)
downloadebus-alt-f6675ccdd7a5997def3c4656f0e2c5dbbbed1fc8.tar.gz
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-/*
-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"}}})(jQuery);
-
-
-/* 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);