[9062] | 1 | /** |
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| 2 | * jqPlot |
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| 3 | * Pure JavaScript plotting plugin using jQuery |
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| 4 | * |
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| 5 | * Version: @VERSION |
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| 6 | * |
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| 7 | * Copyright (c) 2009-2011 Chris Leonello |
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| 8 | * jqPlot is currently available for use in all personal or commercial projects |
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| 9 | * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL |
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| 10 | * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can |
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| 11 | * choose the license that best suits your project and use it accordingly. |
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| 12 | * |
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| 13 | * Although not required, the author would appreciate an email letting him |
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| 14 | * know of any substantial use of jqPlot. You can reach the author at: |
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| 15 | * chris at jqplot dot com or see http://www.jqplot.com/info.php . |
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| 16 | * |
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| 17 | * If you are feeling kind and generous, consider supporting the project by |
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| 18 | * making a donation at: http://www.jqplot.com/donate.php . |
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| 19 | * |
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| 20 | * sprintf functions contained in jqplot.sprintf.js by Ash Searle: |
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| 21 | * |
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| 22 | * version 2007.04.27 |
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| 23 | * author Ash Searle |
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| 24 | * http://hexmen.com/blog/2007/03/printf-sprintf/ |
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| 25 | * http://hexmen.com/js/sprintf.js |
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| 26 | * The author (Ash Searle) has placed this code in the public domain: |
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| 27 | * "This code is unrestricted: you are free to use it however you like." |
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| 28 | * |
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| 29 | */ |
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| 30 | (function($) { |
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| 31 | // class: $.jqplot.LinearAxisRenderer |
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| 32 | // The default jqPlot axis renderer, creating a numeric axis. |
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| 33 | // The renderer has no additional options beyond the <Axis> object. |
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| 34 | $.jqplot.LinearAxisRenderer = function() { |
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| 35 | }; |
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| 36 | |
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| 37 | // called with scope of axis object. |
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| 38 | $.jqplot.LinearAxisRenderer.prototype.init = function(options){ |
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| 39 | // prop: breakPoints |
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| 40 | // EXPERIMENTAL!! Use at your own risk! |
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| 41 | // Works only with linear axes and the default tick renderer. |
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| 42 | // Array of [start, stop] points to create a broken axis. |
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| 43 | // Broken axes have a "jump" in them, which is an immediate |
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| 44 | // transition from a smaller value to a larger value. |
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| 45 | // Currently, axis ticks MUST be manually assigned if using breakPoints |
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| 46 | // by using the axis ticks array option. |
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| 47 | this.breakPoints = null; |
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| 48 | // prop: breakTickLabel |
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| 49 | // Label to use at the axis break if breakPoints are specified. |
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| 50 | this.breakTickLabel = "≈"; |
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| 51 | // prop: forceTickAt0 |
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| 52 | // This will ensure that there is always a tick mark at 0. |
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| 53 | // If data range is strictly positive or negative, |
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| 54 | // this will force 0 to be inside the axis bounds unless |
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| 55 | // the appropriate axis pad (pad, padMin or padMax) is set |
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| 56 | // to 0, then this will force an axis min or max value at 0. |
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| 57 | // This has know effect when any of the following options |
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| 58 | // are set: autoscale, min, max, numberTicks or tickInterval. |
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| 59 | this.forceTickAt0 = false; |
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| 60 | // prop: forceTickAt100 |
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| 61 | // This will ensure that there is always a tick mark at 100. |
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| 62 | // If data range is strictly above or below 100, |
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| 63 | // this will force 100 to be inside the axis bounds unless |
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| 64 | // the appropriate axis pad (pad, padMin or padMax) is set |
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| 65 | // to 0, then this will force an axis min or max value at 100. |
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| 66 | // This has know effect when any of the following options |
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| 67 | // are set: autoscale, min, max, numberTicks or tickInterval. |
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| 68 | this.forceTickAt100 = false; |
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| 69 | this._autoFormatString = ''; |
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| 70 | this._overrideFormatString = false; |
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| 71 | $.extend(true, this, options); |
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| 72 | if (this.breakPoints) { |
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| 73 | if (!$.isArray(this.breakPoints)) { |
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| 74 | this.breakPoints = null; |
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| 75 | } |
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| 76 | else if (this.breakPoints.length < 2 || this.breakPoints[1] <= this.breakPoints[0]) { |
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| 77 | this.breakPoints = null; |
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| 78 | } |
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| 79 | } |
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| 80 | this.resetDataBounds(); |
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| 81 | }; |
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| 82 | |
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| 83 | // called with scope of axis |
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| 84 | $.jqplot.LinearAxisRenderer.prototype.draw = function(ctx, plot) { |
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| 85 | if (this.show) { |
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| 86 | // populate the axis label and value properties. |
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| 87 | // createTicks is a method on the renderer, but |
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| 88 | // call it within the scope of the axis. |
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| 89 | this.renderer.createTicks.call(this); |
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| 90 | // fill a div with axes labels in the right direction. |
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| 91 | // Need to pregenerate each axis to get it's bounds and |
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| 92 | // position it and the labels correctly on the plot. |
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| 93 | var dim=0; |
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| 94 | var temp; |
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| 95 | // Added for theming. |
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| 96 | if (this._elem) { |
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| 97 | // Memory Leaks patch |
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| 98 | //this._elem.empty(); |
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| 99 | this._elem.emptyForce(); |
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| 100 | this._elem = null; |
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| 101 | } |
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| 102 | |
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| 103 | this._elem = $(document.createElement('div')); |
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| 104 | this._elem.addClass('jqplot-axis jqplot-'+this.name); |
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| 105 | this._elem.css('posiiton', 'absolute'); |
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| 106 | |
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| 107 | |
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| 108 | if (this.name == 'xaxis' || this.name == 'x2axis') { |
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| 109 | this._elem.width(this._plotDimensions.width); |
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| 110 | } |
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| 111 | else { |
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| 112 | this._elem.height(this._plotDimensions.height); |
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| 113 | } |
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| 114 | |
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| 115 | // create a _label object. |
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| 116 | this.labelOptions.axis = this.name; |
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| 117 | this._label = new this.labelRenderer(this.labelOptions); |
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| 118 | if (this._label.show) { |
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| 119 | var elem = this._label.draw(ctx, plot); |
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| 120 | elem.appendTo(this._elem); |
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| 121 | elem = null; |
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| 122 | } |
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| 123 | |
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| 124 | var t = this._ticks; |
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| 125 | var tick; |
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| 126 | for (var i=0; i<t.length; i++) { |
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| 127 | tick = t[i]; |
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| 128 | if (tick.show && tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) { |
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| 129 | this._elem.append(tick.draw(ctx, plot)); |
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| 130 | } |
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| 131 | } |
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| 132 | tick = null; |
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| 133 | t = null; |
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| 134 | } |
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| 135 | return this._elem; |
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| 136 | }; |
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| 137 | |
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| 138 | // called with scope of an axis |
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| 139 | $.jqplot.LinearAxisRenderer.prototype.reset = function() { |
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| 140 | this.min = this._min; |
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| 141 | this.max = this._max; |
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| 142 | this.tickInterval = this._tickInterval; |
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| 143 | this.numberTicks = this._numberTicks; |
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| 144 | this._autoFormatString = ''; |
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| 145 | if (this._overrideFormatString && this.tickOptions && this.tickOptions.formatString) { |
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| 146 | this.tickOptions.formatString = ''; |
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| 147 | } |
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| 148 | |
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| 149 | // this._ticks = this.__ticks; |
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| 150 | }; |
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| 151 | |
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| 152 | // called with scope of axis |
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| 153 | $.jqplot.LinearAxisRenderer.prototype.set = function() { |
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| 154 | var dim = 0; |
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| 155 | var temp; |
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| 156 | var w = 0; |
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| 157 | var h = 0; |
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| 158 | var lshow = (this._label == null) ? false : this._label.show; |
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| 159 | if (this.show) { |
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| 160 | var t = this._ticks; |
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| 161 | var tick; |
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| 162 | for (var i=0; i<t.length; i++) { |
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| 163 | tick = t[i]; |
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| 164 | if (!tick._breakTick && tick.show && tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) { |
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| 165 | if (this.name == 'xaxis' || this.name == 'x2axis') { |
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| 166 | temp = tick._elem.outerHeight(true); |
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| 167 | } |
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| 168 | else { |
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| 169 | temp = tick._elem.outerWidth(true); |
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| 170 | } |
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| 171 | if (temp > dim) { |
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| 172 | dim = temp; |
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| 173 | } |
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| 174 | } |
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| 175 | } |
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| 176 | tick = null; |
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| 177 | t = null; |
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| 178 | |
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| 179 | if (lshow) { |
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| 180 | w = this._label._elem.outerWidth(true); |
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| 181 | h = this._label._elem.outerHeight(true); |
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| 182 | } |
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| 183 | if (this.name == 'xaxis') { |
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| 184 | dim = dim + h; |
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| 185 | this._elem.css({'height':dim+'px', left:'0px', bottom:'0px'}); |
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| 186 | } |
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| 187 | else if (this.name == 'x2axis') { |
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| 188 | dim = dim + h; |
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| 189 | this._elem.css({'height':dim+'px', left:'0px', top:'0px'}); |
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| 190 | } |
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| 191 | else if (this.name == 'yaxis') { |
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| 192 | dim = dim + w; |
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| 193 | this._elem.css({'width':dim+'px', left:'0px', top:'0px'}); |
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| 194 | if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) { |
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| 195 | this._label._elem.css('width', w+'px'); |
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| 196 | } |
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| 197 | } |
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| 198 | else { |
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| 199 | dim = dim + w; |
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| 200 | this._elem.css({'width':dim+'px', right:'0px', top:'0px'}); |
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| 201 | if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) { |
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| 202 | this._label._elem.css('width', w+'px'); |
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| 203 | } |
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| 204 | } |
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| 205 | } |
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| 206 | }; |
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| 207 | |
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| 208 | // called with scope of axis |
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| 209 | $.jqplot.LinearAxisRenderer.prototype.createTicks = function() { |
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| 210 | // we're are operating on an axis here |
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| 211 | var ticks = this._ticks; |
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| 212 | var userTicks = this.ticks; |
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| 213 | var name = this.name; |
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| 214 | // databounds were set on axis initialization. |
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| 215 | var db = this._dataBounds; |
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| 216 | var dim, interval; |
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| 217 | var min, max; |
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| 218 | var pos1, pos2; |
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| 219 | var tt, i; |
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| 220 | // get a copy of user's settings for min/max. |
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| 221 | var userMin = this.min; |
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| 222 | var userMax = this.max; |
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| 223 | var userNT = this.numberTicks; |
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| 224 | var userTI = this.tickInterval; |
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| 225 | |
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| 226 | // if we already have ticks, use them. |
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| 227 | // ticks must be in order of increasing value. |
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| 228 | |
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| 229 | if (userTicks.length) { |
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| 230 | // ticks could be 1D or 2D array of [val, val, ,,,] or [[val, label], [val, label], ...] or mixed |
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| 231 | for (i=0; i<userTicks.length; i++){ |
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| 232 | var ut = userTicks[i]; |
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| 233 | var t = new this.tickRenderer(this.tickOptions); |
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| 234 | if (ut.constructor == Array) { |
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| 235 | t.value = ut[0]; |
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| 236 | if (this.breakPoints) { |
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| 237 | if (ut[0] == this.breakPoints[0]) { |
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| 238 | t.label = this.breakTickLabel; |
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| 239 | t._breakTick = true; |
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| 240 | t.showGridline = false; |
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| 241 | t.showMark = false; |
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| 242 | } |
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| 243 | else if (ut[0] > this.breakPoints[0] && ut[0] <= this.breakPoints[1]) { |
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| 244 | t.show = false; |
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| 245 | t.showGridline = false; |
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| 246 | t.label = ut[1]; |
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| 247 | } |
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| 248 | else { |
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| 249 | t.label = ut[1]; |
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| 250 | } |
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| 251 | } |
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| 252 | else { |
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| 253 | t.label = ut[1]; |
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| 254 | } |
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| 255 | t.setTick(ut[0], this.name); |
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| 256 | this._ticks.push(t); |
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| 257 | } |
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| 258 | |
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| 259 | else { |
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| 260 | t.value = ut; |
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| 261 | if (this.breakPoints) { |
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| 262 | if (ut == this.breakPoints[0]) { |
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| 263 | t.label = this.breakTickLabel; |
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| 264 | t._breakTick = true; |
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| 265 | t.showGridline = false; |
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| 266 | t.showMark = false; |
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| 267 | } |
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| 268 | else if (ut > this.breakPoints[0] && ut <= this.breakPoints[1]) { |
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| 269 | t.show = false; |
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| 270 | t.showGridline = false; |
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| 271 | } |
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| 272 | } |
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| 273 | t.setTick(ut, this.name); |
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| 274 | this._ticks.push(t); |
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| 275 | } |
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| 276 | } |
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| 277 | this.numberTicks = userTicks.length; |
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| 278 | this.min = this._ticks[0].value; |
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| 279 | this.max = this._ticks[this.numberTicks-1].value; |
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| 280 | this.tickInterval = (this.max - this.min) / (this.numberTicks - 1); |
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| 281 | } |
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| 282 | |
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| 283 | // we don't have any ticks yet, let's make some! |
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| 284 | else { |
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| 285 | if (name == 'xaxis' || name == 'x2axis') { |
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| 286 | dim = this._plotDimensions.width; |
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| 287 | } |
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| 288 | else { |
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| 289 | dim = this._plotDimensions.height; |
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| 290 | } |
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| 291 | |
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| 292 | // // if min, max and number of ticks specified, user can't specify interval. |
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| 293 | // if (!this.autoscale && this.min != null && this.max != null && this.numberTicks != null) { |
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| 294 | // console.log('doing this'); |
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| 295 | // this.tickInterval = null; |
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| 296 | // } |
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| 297 | |
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| 298 | // if max, min, and interval specified and interval won't fit, ignore interval. |
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| 299 | // if (this.min != null && this.max != null && this.tickInterval != null) { |
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| 300 | // if (parseInt((this.max-this.min)/this.tickInterval, 10) != (this.max-this.min)/this.tickInterval) { |
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| 301 | // this.tickInterval = null; |
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| 302 | // } |
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| 303 | // } |
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| 304 | |
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| 305 | min = ((this.min != null) ? this.min : db.min); |
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| 306 | max = ((this.max != null) ? this.max : db.max); |
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| 307 | |
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| 308 | var range = max - min; |
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| 309 | var rmin, rmax; |
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| 310 | var temp; |
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| 311 | |
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| 312 | // Doing complete autoscaling |
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| 313 | if (this.min == null && this.max == null && this.numberTicks == null && this.tickInterval == null && !this.autoscale) { |
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| 314 | // check to see if we can override tick format string with autocalculated one |
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| 315 | if (this.tickOptions == null || !this.tickOptions.formatString) { |
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| 316 | this._overrideFormatString = true; |
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| 317 | } |
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| 318 | |
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| 319 | |
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| 320 | // Check if user must have tick at 0 or 100 and ensure they are in range. |
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| 321 | // The autoscaling algorithm will always place ticks at 0 and 100 if they are in range. |
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| 322 | if (this.forceTickAt0) { |
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| 323 | if (min > 0) { |
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| 324 | min = 0; |
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| 325 | } |
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| 326 | if (max < 0) { |
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| 327 | max = 0; |
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| 328 | } |
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| 329 | } |
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| 330 | |
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| 331 | if (this.forceTickAt100) { |
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| 332 | if (min > 100) { |
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| 333 | min = 100; |
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| 334 | } |
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| 335 | if (max < 100) { |
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| 336 | max = 100; |
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| 337 | } |
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| 338 | } |
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| 339 | |
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| 340 | // console.log(this.name); |
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| 341 | var threshold = 30; |
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| 342 | var tdim = Math.max(dim, threshold+1); |
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| 343 | var scalefact = (tdim-threshold)/300.0; |
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| 344 | // scalefact = 1; |
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| 345 | var ret = $.jqplot.LinearTickGenerator(min, max, scalefact); |
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| 346 | // calculate a padded max and min, points should be less than these |
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| 347 | // so that they aren't too close to the edges of the plot. |
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| 348 | // User can adjust how much padding is allowed with pad, padMin and PadMax options. |
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| 349 | var tumin = min + range*(this.padMin - 1); |
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| 350 | var tumax = max - range*(this.padMax - 1); |
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| 351 | |
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| 352 | if (min <=tumin || max >= tumax) { |
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| 353 | tumin = min - range*(this.padMin - 1); |
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| 354 | tumax = max + range*(this.padMax - 1); |
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| 355 | ret = $.jqplot.LinearTickGenerator(tumin, tumax, scalefact); |
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| 356 | } |
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| 357 | |
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| 358 | |
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| 359 | // if (ret[2] > max_number_ticks) { |
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| 360 | // ret[4] = Math.ceil(r[2]/max_number_ticks) * ret[4]; |
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| 361 | |
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| 362 | // } |
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| 363 | |
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| 364 | this.min = ret[0]; |
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| 365 | this.max = ret[1]; |
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| 366 | this.numberTicks = ret[2]; |
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| 367 | this._autoFormatString = ret[3]; |
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| 368 | //this.tickInterval = Math.abs(this.max - this.min)/(this.numberTicks - 1); |
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| 369 | this.tickInterval = ret[4]; |
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| 370 | // console.log('numberticks: %s, interval: %s', ret[2], ret[4]); |
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| 371 | } |
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| 372 | |
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| 373 | // User has specified some axis scale related option, can use auto algorithm |
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| 374 | else { |
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| 375 | |
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| 376 | // if min and max are same, space them out a bit |
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| 377 | if (min == max) { |
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| 378 | var adj = 0.05; |
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| 379 | if (min > 0) { |
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| 380 | adj = Math.max(Math.log(min)/Math.LN10, 0.05); |
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| 381 | } |
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| 382 | min -= adj; |
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| 383 | max += adj; |
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| 384 | } |
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| 385 | |
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| 386 | // autoscale. Can't autoscale if min or max is supplied. |
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| 387 | // Will use numberTicks and tickInterval if supplied. Ticks |
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| 388 | // across multiple axes may not line up depending on how |
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| 389 | // bars are to be plotted. |
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| 390 | if (this.autoscale && this.min == null && this.max == null) { |
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| 391 | var rrange, ti, margin; |
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| 392 | var forceMinZero = false; |
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| 393 | var forceZeroLine = false; |
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| 394 | var intervals = {min:null, max:null, average:null, stddev:null}; |
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| 395 | // if any series are bars, or if any are fill to zero, and if this |
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| 396 | // is the axis to fill toward, check to see if we can start axis at zero. |
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| 397 | for (var i=0; i<this._series.length; i++) { |
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| 398 | var s = this._series[i]; |
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| 399 | var faname = (s.fillAxis == 'x') ? s._xaxis.name : s._yaxis.name; |
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| 400 | // check to see if this is the fill axis |
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| 401 | if (this.name == faname) { |
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| 402 | var vals = s._plotValues[s.fillAxis]; |
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| 403 | var vmin = vals[0]; |
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| 404 | var vmax = vals[0]; |
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| 405 | for (var j=1; j<vals.length; j++) { |
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| 406 | if (vals[j] < vmin) { |
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| 407 | vmin = vals[j]; |
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| 408 | } |
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| 409 | else if (vals[j] > vmax) { |
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| 410 | vmax = vals[j]; |
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| 411 | } |
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| 412 | } |
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| 413 | var dp = (vmax - vmin) / vmax; |
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| 414 | // is this sries a bar? |
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| 415 | if (s.renderer.constructor == $.jqplot.BarRenderer) { |
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| 416 | // if no negative values and could also check range. |
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| 417 | if (vmin >= 0 && (s.fillToZero || dp > 0.1)) { |
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| 418 | forceMinZero = true; |
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| 419 | } |
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| 420 | else { |
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| 421 | forceMinZero = false; |
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| 422 | if (s.fill && s.fillToZero && vmin < 0 && vmax > 0) { |
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| 423 | forceZeroLine = true; |
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| 424 | } |
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| 425 | else { |
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| 426 | forceZeroLine = false; |
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| 427 | } |
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| 428 | } |
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| 429 | } |
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| 430 | |
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| 431 | // if not a bar and filling, use appropriate method. |
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| 432 | else if (s.fill) { |
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| 433 | if (vmin >= 0 && (s.fillToZero || dp > 0.1)) { |
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| 434 | forceMinZero = true; |
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| 435 | } |
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| 436 | else if (vmin < 0 && vmax > 0 && s.fillToZero) { |
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| 437 | forceMinZero = false; |
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| 438 | forceZeroLine = true; |
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| 439 | } |
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| 440 | else { |
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| 441 | forceMinZero = false; |
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| 442 | forceZeroLine = false; |
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| 443 | } |
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| 444 | } |
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| 445 | |
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| 446 | // if not a bar and not filling, only change existing state |
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| 447 | // if it doesn't make sense |
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| 448 | else if (vmin < 0) { |
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| 449 | forceMinZero = false; |
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| 450 | } |
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| 451 | } |
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| 452 | } |
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| 453 | |
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| 454 | // check if we need make axis min at 0. |
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| 455 | if (forceMinZero) { |
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| 456 | // compute number of ticks |
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| 457 | this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing); |
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| 458 | this.min = 0; |
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| 459 | userMin = 0; |
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| 460 | // what order is this range? |
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| 461 | // what tick interval does that give us? |
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| 462 | ti = max/(this.numberTicks-1); |
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| 463 | temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10))); |
---|
| 464 | if (ti/temp == parseInt(ti/temp, 10)) { |
---|
| 465 | ti += temp; |
---|
| 466 | } |
---|
| 467 | this.tickInterval = Math.ceil(ti/temp) * temp; |
---|
| 468 | this.max = this.tickInterval * (this.numberTicks - 1); |
---|
| 469 | } |
---|
| 470 | |
---|
| 471 | // check if we need to make sure there is a tick at 0. |
---|
| 472 | else if (forceZeroLine) { |
---|
| 473 | // compute number of ticks |
---|
| 474 | this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing); |
---|
| 475 | var ntmin = Math.ceil(Math.abs(min)/range*(this.numberTicks-1)); |
---|
| 476 | var ntmax = this.numberTicks - 1 - ntmin; |
---|
| 477 | ti = Math.max(Math.abs(min/ntmin), Math.abs(max/ntmax)); |
---|
| 478 | temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10))); |
---|
| 479 | this.tickInterval = Math.ceil(ti/temp) * temp; |
---|
| 480 | this.max = this.tickInterval * ntmax; |
---|
| 481 | this.min = -this.tickInterval * ntmin; |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | // if nothing else, do autoscaling which will try to line up ticks across axes. |
---|
| 485 | else { |
---|
| 486 | if (this.numberTicks == null){ |
---|
| 487 | if (this.tickInterval) { |
---|
| 488 | this.numberTicks = 3 + Math.ceil(range / this.tickInterval); |
---|
| 489 | } |
---|
| 490 | else { |
---|
| 491 | this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing); |
---|
| 492 | } |
---|
| 493 | } |
---|
| 494 | |
---|
| 495 | if (this.tickInterval == null) { |
---|
| 496 | // get a tick interval |
---|
| 497 | ti = range/(this.numberTicks - 1); |
---|
| 498 | |
---|
| 499 | if (ti < 1) { |
---|
| 500 | temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10))); |
---|
| 501 | } |
---|
| 502 | else { |
---|
| 503 | temp = 1; |
---|
| 504 | } |
---|
| 505 | this.tickInterval = Math.ceil(ti*temp*this.pad)/temp; |
---|
| 506 | } |
---|
| 507 | else { |
---|
| 508 | temp = 1 / this.tickInterval; |
---|
| 509 | } |
---|
| 510 | |
---|
| 511 | // try to compute a nicer, more even tick interval |
---|
| 512 | // temp = Math.pow(10, Math.floor(Math.log(ti)/Math.LN10)); |
---|
| 513 | // this.tickInterval = Math.ceil(ti/temp) * temp; |
---|
| 514 | rrange = this.tickInterval * (this.numberTicks - 1); |
---|
| 515 | margin = (rrange - range)/2; |
---|
| 516 | |
---|
| 517 | if (this.min == null) { |
---|
| 518 | this.min = Math.floor(temp*(min-margin))/temp; |
---|
| 519 | } |
---|
| 520 | if (this.max == null) { |
---|
| 521 | this.max = this.min + rrange; |
---|
| 522 | } |
---|
| 523 | } |
---|
| 524 | } |
---|
| 525 | |
---|
| 526 | // Use the default algorithm which pads each axis to make the chart |
---|
| 527 | // centered nicely on the grid. |
---|
| 528 | else { |
---|
| 529 | rmin = (this.min != null) ? this.min : min - range*(this.padMin - 1); |
---|
| 530 | rmax = (this.max != null) ? this.max : max + range*(this.padMax - 1); |
---|
| 531 | this.min = rmin; |
---|
| 532 | this.max = rmax; |
---|
| 533 | range = this.max - this.min; |
---|
| 534 | |
---|
| 535 | if (this.numberTicks == null){ |
---|
| 536 | // if tickInterval is specified by user, we will ignore computed maximum. |
---|
| 537 | // max will be equal or greater to fit even # of ticks. |
---|
| 538 | if (this.tickInterval != null) { |
---|
| 539 | this.numberTicks = Math.ceil((this.max - this.min)/this.tickInterval)+1; |
---|
| 540 | this.max = this.min + this.tickInterval*(this.numberTicks-1); |
---|
| 541 | } |
---|
| 542 | else if (dim > 100) { |
---|
| 543 | this.numberTicks = parseInt(3+(dim-100)/75, 10); |
---|
| 544 | } |
---|
| 545 | else { |
---|
| 546 | this.numberTicks = 2; |
---|
| 547 | } |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | if (this.tickInterval == null) { |
---|
| 551 | this.tickInterval = range / (this.numberTicks-1); |
---|
| 552 | } |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | if (this.renderer.constructor == $.jqplot.LinearAxisRenderer && this._autoFormatString == '') { |
---|
| 556 | // fix for misleading tick display with small range and low precision. |
---|
| 557 | range = this.max - this.min; |
---|
| 558 | // figure out precision |
---|
| 559 | var temptick = new this.tickRenderer(this.tickOptions); |
---|
| 560 | // use the tick formatString or, the default. |
---|
| 561 | var fs = temptick.formatString || $.jqplot.config.defaultTickFormatString; |
---|
| 562 | var fs = fs.match($.jqplot.sprintf.regex)[0]; |
---|
| 563 | var precision = 0; |
---|
| 564 | if (fs) { |
---|
| 565 | if (fs.search(/[fFeEgGpP]/) > -1) { |
---|
| 566 | var m = fs.match(/\%\.(\d{0,})?[eEfFgGpP]/); |
---|
| 567 | if (m) { |
---|
| 568 | precision = parseInt(m[1], 10); |
---|
| 569 | } |
---|
| 570 | else { |
---|
| 571 | precision = 6; |
---|
| 572 | } |
---|
| 573 | } |
---|
| 574 | else if (fs.search(/[di]/) > -1) { |
---|
| 575 | precision = 0; |
---|
| 576 | } |
---|
| 577 | // fact will be <= 1; |
---|
| 578 | var fact = Math.pow(10, -precision); |
---|
| 579 | if (this.tickInterval < fact) { |
---|
| 580 | // need to correct underrange |
---|
| 581 | if (userNT == null && userTI == null) { |
---|
| 582 | this.tickInterval = fact; |
---|
| 583 | if (userMax == null && userMin == null) { |
---|
| 584 | // this.min = Math.floor((this._dataBounds.min - this.tickInterval)/fact) * fact; |
---|
| 585 | this.min = Math.floor(this._dataBounds.min/fact) * fact; |
---|
| 586 | if (this.min == this._dataBounds.min) { |
---|
| 587 | this.min = this._dataBounds.min - this.tickInterval; |
---|
| 588 | } |
---|
| 589 | // this.max = Math.ceil((this._dataBounds.max + this.tickInterval)/fact) * fact; |
---|
| 590 | this.max = Math.ceil(this._dataBounds.max/fact) * fact; |
---|
| 591 | if (this.max == this._dataBounds.max) { |
---|
| 592 | this.max = this._dataBounds.max + this.tickInterval; |
---|
| 593 | } |
---|
| 594 | var n = (this.max - this.min)/this.tickInterval; |
---|
| 595 | n = n.toFixed(11); |
---|
| 596 | n = Math.ceil(n); |
---|
| 597 | this.numberTicks = n + 1; |
---|
| 598 | } |
---|
| 599 | else if (userMax == null) { |
---|
| 600 | // add one tick for top of range. |
---|
| 601 | var n = (this._dataBounds.max - this.min) / this.tickInterval; |
---|
| 602 | n = n.toFixed(11); |
---|
| 603 | this.numberTicks = Math.ceil(n) + 2; |
---|
| 604 | this.max = this.min + this.tickInterval * (this.numberTicks-1); |
---|
| 605 | } |
---|
| 606 | else if (userMin == null) { |
---|
| 607 | // add one tick for bottom of range. |
---|
| 608 | var n = (this.max - this._dataBounds.min) / this.tickInterval; |
---|
| 609 | n = n.toFixed(11); |
---|
| 610 | this.numberTicks = Math.ceil(n) + 2; |
---|
| 611 | this.min = this.max - this.tickInterval * (this.numberTicks-1); |
---|
| 612 | } |
---|
| 613 | else { |
---|
| 614 | // calculate a number of ticks so max is within axis scale |
---|
| 615 | this.numberTicks = Math.ceil((userMax - userMin)/this.tickInterval) + 1; |
---|
| 616 | // if user's min and max don't fit evenly in ticks, adjust. |
---|
| 617 | // This takes care of cases such as user min set to 0, max set to 3.5 but tick |
---|
| 618 | // format string set to %d (integer ticks) |
---|
| 619 | this.min = Math.floor(userMin*Math.pow(10, precision))/Math.pow(10, precision); |
---|
| 620 | this.max = Math.ceil(userMax*Math.pow(10, precision))/Math.pow(10, precision); |
---|
| 621 | // this.max = this.min + this.tickInterval*(this.numberTicks-1); |
---|
| 622 | this.numberTicks = Math.ceil((this.max - this.min)/this.tickInterval) + 1; |
---|
| 623 | } |
---|
| 624 | } |
---|
| 625 | } |
---|
| 626 | } |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | if (this._overrideFormatString && this._autoFormatString != '') { |
---|
| 632 | this.tickOptions = this.tickOptions || {}; |
---|
| 633 | this.tickOptions.formatString = this._autoFormatString; |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | for (var i=0; i<this.numberTicks; i++){ |
---|
| 637 | tt = this.min + i * this.tickInterval; |
---|
| 638 | var t = new this.tickRenderer(this.tickOptions); |
---|
| 639 | // var t = new $.jqplot.AxisTickRenderer(this.tickOptions); |
---|
| 640 | |
---|
| 641 | t.setTick(tt, this.name); |
---|
| 642 | this._ticks.push(t); |
---|
| 643 | t = null; |
---|
| 644 | } |
---|
| 645 | } |
---|
| 646 | ticks = null; |
---|
| 647 | }; |
---|
| 648 | |
---|
| 649 | // Used to reset just the values of the ticks and then repack, which will |
---|
| 650 | // recalculate the positioning functions. It is assuemd that the |
---|
| 651 | // number of ticks is the same and the values of the new array are at the |
---|
| 652 | // proper interval. |
---|
| 653 | // This method needs to be called with the scope of an axis object, like: |
---|
| 654 | // |
---|
| 655 | // > plot.axes.yaxis.renderer.resetTickValues.call(plot.axes.yaxis, yarr); |
---|
| 656 | // |
---|
| 657 | $.jqplot.LinearAxisRenderer.prototype.resetTickValues = function(opts) { |
---|
| 658 | if ($.isArray(opts) && opts.length == this._ticks.length) { |
---|
| 659 | var t; |
---|
| 660 | for (var i=0; i<opts.length; i++) { |
---|
| 661 | t = this._ticks[i]; |
---|
| 662 | t.value = opts[i]; |
---|
| 663 | t.label = t.formatter(t.formatString, opts[i]); |
---|
| 664 | t.label = t.prefix + t.label; |
---|
| 665 | t._elem.html(t.label); |
---|
| 666 | } |
---|
| 667 | t = null; |
---|
| 668 | this.min = $.jqplot.arrayMin(opts); |
---|
| 669 | this.max = $.jqplot.arrayMax(opts); |
---|
| 670 | this.pack(); |
---|
| 671 | } |
---|
| 672 | // Not implemented yet. |
---|
| 673 | // else if ($.isPlainObject(opts)) { |
---|
| 674 | // |
---|
| 675 | // } |
---|
| 676 | }; |
---|
| 677 | |
---|
| 678 | // called with scope of axis |
---|
| 679 | $.jqplot.LinearAxisRenderer.prototype.pack = function(pos, offsets) { |
---|
| 680 | // Add defaults for repacking from resetTickValues function. |
---|
| 681 | pos = pos || {}; |
---|
| 682 | offsets = offsets || this._offsets; |
---|
| 683 | |
---|
| 684 | var ticks = this._ticks; |
---|
| 685 | var max = this.max; |
---|
| 686 | var min = this.min; |
---|
| 687 | var offmax = offsets.max; |
---|
| 688 | var offmin = offsets.min; |
---|
| 689 | var lshow = (this._label == null) ? false : this._label.show; |
---|
| 690 | |
---|
| 691 | for (var p in pos) { |
---|
| 692 | this._elem.css(p, pos[p]); |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | this._offsets = offsets; |
---|
| 696 | // pixellength will be + for x axes and - for y axes becasue pixels always measured from top left. |
---|
| 697 | var pixellength = offmax - offmin; |
---|
| 698 | var unitlength = max - min; |
---|
| 699 | |
---|
| 700 | // point to unit and unit to point conversions references to Plot DOM element top left corner. |
---|
| 701 | if (this.breakPoints) { |
---|
| 702 | unitlength = unitlength - this.breakPoints[1] + this.breakPoints[0]; |
---|
| 703 | |
---|
| 704 | this.p2u = function(p){ |
---|
| 705 | return (p - offmin) * unitlength / pixellength + min; |
---|
| 706 | }; |
---|
| 707 | |
---|
| 708 | this.u2p = function(u){ |
---|
| 709 | if (u > this.breakPoints[0] && u < this.breakPoints[1]){ |
---|
| 710 | u = this.breakPoints[0]; |
---|
| 711 | } |
---|
| 712 | if (u <= this.breakPoints[0]) { |
---|
| 713 | return (u - min) * pixellength / unitlength + offmin; |
---|
| 714 | } |
---|
| 715 | else { |
---|
| 716 | return (u - this.breakPoints[1] + this.breakPoints[0] - min) * pixellength / unitlength + offmin; |
---|
| 717 | } |
---|
| 718 | }; |
---|
| 719 | |
---|
| 720 | if (this.name.charAt(0) == 'x'){ |
---|
| 721 | this.series_u2p = function(u){ |
---|
| 722 | if (u > this.breakPoints[0] && u < this.breakPoints[1]){ |
---|
| 723 | u = this.breakPoints[0]; |
---|
| 724 | } |
---|
| 725 | if (u <= this.breakPoints[0]) { |
---|
| 726 | return (u - min) * pixellength / unitlength; |
---|
| 727 | } |
---|
| 728 | else { |
---|
| 729 | return (u - this.breakPoints[1] + this.breakPoints[0] - min) * pixellength / unitlength; |
---|
| 730 | } |
---|
| 731 | }; |
---|
| 732 | this.series_p2u = function(p){ |
---|
| 733 | return p * unitlength / pixellength + min; |
---|
| 734 | }; |
---|
| 735 | } |
---|
| 736 | |
---|
| 737 | else { |
---|
| 738 | this.series_u2p = function(u){ |
---|
| 739 | if (u > this.breakPoints[0] && u < this.breakPoints[1]){ |
---|
| 740 | u = this.breakPoints[0]; |
---|
| 741 | } |
---|
| 742 | if (u >= this.breakPoints[1]) { |
---|
| 743 | return (u - max) * pixellength / unitlength; |
---|
| 744 | } |
---|
| 745 | else { |
---|
| 746 | return (u + this.breakPoints[1] - this.breakPoints[0] - max) * pixellength / unitlength; |
---|
| 747 | } |
---|
| 748 | }; |
---|
| 749 | this.series_p2u = function(p){ |
---|
| 750 | return p * unitlength / pixellength + max; |
---|
| 751 | }; |
---|
| 752 | } |
---|
| 753 | } |
---|
| 754 | else { |
---|
| 755 | this.p2u = function(p){ |
---|
| 756 | return (p - offmin) * unitlength / pixellength + min; |
---|
| 757 | }; |
---|
| 758 | |
---|
| 759 | this.u2p = function(u){ |
---|
| 760 | return (u - min) * pixellength / unitlength + offmin; |
---|
| 761 | }; |
---|
| 762 | |
---|
| 763 | if (this.name == 'xaxis' || this.name == 'x2axis'){ |
---|
| 764 | this.series_u2p = function(u){ |
---|
| 765 | return (u - min) * pixellength / unitlength; |
---|
| 766 | }; |
---|
| 767 | this.series_p2u = function(p){ |
---|
| 768 | return p * unitlength / pixellength + min; |
---|
| 769 | }; |
---|
| 770 | } |
---|
| 771 | |
---|
| 772 | else { |
---|
| 773 | this.series_u2p = function(u){ |
---|
| 774 | return (u - max) * pixellength / unitlength; |
---|
| 775 | }; |
---|
| 776 | this.series_p2u = function(p){ |
---|
| 777 | return p * unitlength / pixellength + max; |
---|
| 778 | }; |
---|
| 779 | } |
---|
| 780 | } |
---|
| 781 | |
---|
| 782 | if (this.show) { |
---|
| 783 | if (this.name == 'xaxis' || this.name == 'x2axis') { |
---|
| 784 | for (var i=0; i<ticks.length; i++) { |
---|
| 785 | var t = ticks[i]; |
---|
| 786 | if (t.show && t.showLabel) { |
---|
| 787 | var shim; |
---|
| 788 | |
---|
| 789 | if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) { |
---|
| 790 | // will need to adjust auto positioning based on which axis this is. |
---|
| 791 | var temp = (this.name == 'xaxis') ? 1 : -1; |
---|
| 792 | switch (t.labelPosition) { |
---|
| 793 | case 'auto': |
---|
| 794 | // position at end |
---|
| 795 | if (temp * t.angle < 0) { |
---|
| 796 | shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2; |
---|
| 797 | } |
---|
| 798 | // position at start |
---|
| 799 | else { |
---|
| 800 | shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2; |
---|
| 801 | } |
---|
| 802 | break; |
---|
| 803 | case 'end': |
---|
| 804 | shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2; |
---|
| 805 | break; |
---|
| 806 | case 'start': |
---|
| 807 | shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2; |
---|
| 808 | break; |
---|
| 809 | case 'middle': |
---|
| 810 | shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2; |
---|
| 811 | break; |
---|
| 812 | default: |
---|
| 813 | shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2; |
---|
| 814 | break; |
---|
| 815 | } |
---|
| 816 | } |
---|
| 817 | else { |
---|
| 818 | shim = -t.getWidth()/2; |
---|
| 819 | } |
---|
| 820 | var val = this.u2p(t.value) + shim + 'px'; |
---|
| 821 | t._elem.css('left', val); |
---|
| 822 | t.pack(); |
---|
| 823 | } |
---|
| 824 | } |
---|
| 825 | if (lshow) { |
---|
| 826 | var w = this._label._elem.outerWidth(true); |
---|
| 827 | this._label._elem.css('left', offmin + pixellength/2 - w/2 + 'px'); |
---|
| 828 | if (this.name == 'xaxis') { |
---|
| 829 | this._label._elem.css('bottom', '0px'); |
---|
| 830 | } |
---|
| 831 | else { |
---|
| 832 | this._label._elem.css('top', '0px'); |
---|
| 833 | } |
---|
| 834 | this._label.pack(); |
---|
| 835 | } |
---|
| 836 | } |
---|
| 837 | else { |
---|
| 838 | for (var i=0; i<ticks.length; i++) { |
---|
| 839 | var t = ticks[i]; |
---|
| 840 | if (t.show && t.showLabel) { |
---|
| 841 | var shim; |
---|
| 842 | if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) { |
---|
| 843 | // will need to adjust auto positioning based on which axis this is. |
---|
| 844 | var temp = (this.name == 'yaxis') ? 1 : -1; |
---|
| 845 | switch (t.labelPosition) { |
---|
| 846 | case 'auto': |
---|
| 847 | // position at end |
---|
| 848 | case 'end': |
---|
| 849 | if (temp * t.angle < 0) { |
---|
| 850 | shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2; |
---|
| 851 | } |
---|
| 852 | else { |
---|
| 853 | shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2; |
---|
| 854 | } |
---|
| 855 | break; |
---|
| 856 | case 'start': |
---|
| 857 | if (t.angle > 0) { |
---|
| 858 | shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2; |
---|
| 859 | } |
---|
| 860 | else { |
---|
| 861 | shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2; |
---|
| 862 | } |
---|
| 863 | break; |
---|
| 864 | case 'middle': |
---|
| 865 | // if (t.angle > 0) { |
---|
| 866 | // shim = -t.getHeight()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2; |
---|
| 867 | // } |
---|
| 868 | // else { |
---|
| 869 | // shim = -t.getHeight()/2 - t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2; |
---|
| 870 | // } |
---|
| 871 | shim = -t.getHeight()/2; |
---|
| 872 | break; |
---|
| 873 | default: |
---|
| 874 | shim = -t.getHeight()/2; |
---|
| 875 | break; |
---|
| 876 | } |
---|
| 877 | } |
---|
| 878 | else { |
---|
| 879 | shim = -t.getHeight()/2; |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | var val = this.u2p(t.value) + shim + 'px'; |
---|
| 883 | t._elem.css('top', val); |
---|
| 884 | t.pack(); |
---|
| 885 | } |
---|
| 886 | } |
---|
| 887 | if (lshow) { |
---|
| 888 | var h = this._label._elem.outerHeight(true); |
---|
| 889 | this._label._elem.css('top', offmax - pixellength/2 - h/2 + 'px'); |
---|
| 890 | if (this.name == 'yaxis') { |
---|
| 891 | this._label._elem.css('left', '0px'); |
---|
| 892 | } |
---|
| 893 | else { |
---|
| 894 | this._label._elem.css('right', '0px'); |
---|
| 895 | } |
---|
| 896 | this._label.pack(); |
---|
| 897 | } |
---|
| 898 | } |
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| 899 | } |
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| 900 | |
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| 901 | ticks = null; |
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| 902 | }; |
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| 903 | })(jQuery); |
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