report-resources.jqplot.1.0.8.plugins.jqplot.logAxisRenderer.js Maven / Gradle / Ivy
/**
* jqPlot
* Pure JavaScript plotting plugin using jQuery
*
* Version: 1.0.8
* Revision: 1250
*
* Copyright (c) 2009-2013 Chris Leonello
* jqPlot is currently available for use in all personal or commercial projects
* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
* choose the license that best suits your project and use it accordingly.
*
* Although not required, the author would appreciate an email letting him
* know of any substantial use of jqPlot. You can reach the author at:
* chris at jqplot dot com or see http://www.jqplot.com/info.php .
*
* If you are feeling kind and generous, consider supporting the project by
* making a donation at: http://www.jqplot.com/donate.php .
*
* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
*
* version 2007.04.27
* author Ash Searle
* http://hexmen.com/blog/2007/03/printf-sprintf/
* http://hexmen.com/js/sprintf.js
* The author (Ash Searle) has placed this code in the public domain:
* "This code is unrestricted: you are free to use it however you like."
*
*/
(function($) {
/**
* class: $.jqplot.LogAxisRenderer
* A plugin for a jqPlot to render a logarithmic axis.
*
* To use this renderer, include the plugin in your source
* >
*
* and supply the appropriate options to your plot
*
* > {axes:{xaxis:{renderer:$.jqplot.LogAxisRenderer}}}
**/
$.jqplot.LogAxisRenderer = function() {
$.jqplot.LinearAxisRenderer.call(this);
// prop: axisDefaults
// Default properties which will be applied directly to the series.
//
// Group: Properties
//
// Properties
//
// base - the logarithmic base, commonly 2, 10 or Math.E
// tickDistribution - Deprecated. "power" distribution of ticks
// always used. Option has no effect.
this.axisDefaults = {
base : 10,
tickDistribution :'power'
};
};
$.jqplot.LogAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer();
$.jqplot.LogAxisRenderer.prototype.constructor = $.jqplot.LogAxisRenderer;
$.jqplot.LogAxisRenderer.prototype.init = function(options) {
// prop: drawBaseline
// True to draw the axis baseline.
this.drawBaseline = true;
// prop: minorTicks
// Number of ticks to add between "major" ticks.
// Major ticks are ticks supplied by user or auto computed.
// Minor ticks cannot be created by user.
this.minorTicks = 'auto';
this._scalefact = 1.0;
$.extend(true, this, options);
this._autoFormatString = '%d';
this._overrideFormatString = false;
for (var d in this.renderer.axisDefaults) {
if (this[d] == null) {
this[d] = this.renderer.axisDefaults[d];
}
}
this.resetDataBounds();
};
$.jqplot.LogAxisRenderer.prototype.createTicks = function(plot) {
// we're are operating on an axis here
var ticks = this._ticks;
var userTicks = this.ticks;
var name = this.name;
var db = this._dataBounds;
var dim = (this.name.charAt(0) === 'x') ? this._plotDimensions.width : this._plotDimensions.height;
var interval;
var min, max;
var pos1, pos2;
var tt, i;
var threshold = 30;
// For some reason scalefactor is screwing up ticks.
this._scalefact = (Math.max(dim, threshold+1) - threshold)/300;
// if we already have ticks, use them.
// ticks must be in order of increasing value.
if (userTicks.length) {
// ticks could be 1D or 2D array of [val, val, ,,,] or [[val, label], [val, label], ...] or mixed
for (i=0; i 140) {
numberTicks = Math.round(Math.log(this.max/this.min)/Math.log(this.base) + 1);
if (numberTicks < 2) {
numberTicks = 2;
}
if (minorTicks === 0) {
var temp = dim/(numberTicks - 1);
if (temp < 100) {
minorTicks = 0;
}
else if (temp < 190) {
minorTicks = 1;
}
else if (temp < 250) {
minorTicks = 3;
}
else if (temp < 600) {
minorTicks = 4;
}
else {
minorTicks = 9;
}
}
}
else {
numberTicks = 2;
if (minorTicks === 0) {
minorTicks = 1;
}
minorTicks = 0;
}
}
else {
numberTicks = this.numberTicks;
}
if (order >= 0 && minorTicks !== 3) {
this._autoFormatString = '%d';
}
// Adjust format string for case with 3 ticks where we'll have like 1, 2.5, 5, 7.5, 10
else if (order <= 0 && minorTicks === 3) {
var temp = -(order - 1);
this._autoFormatString = '%.'+ Math.abs(order-1) + 'f';
}
// Adjust format string for values less than 1.
else if (order < 0) {
var temp = -order;
this._autoFormatString = '%.'+ Math.abs(order) + 'f';
}
else {
this._autoFormatString = '%d';
}
var to, t, val, tt1, spread, interval;
for (var i=0; i=0; j--) {
val = tt1-interval*(j+1);
t = new this.tickRenderer(this.tickOptions);
if (this._overrideFormatString && this._autoFormatString != '') {
t.formatString = this._autoFormatString;
}
if (!this.showTicks) {
t.showLabel = false;
t.showMark = false;
}
else if (!this.showTickMarks) {
t.showMark = false;
}
t.setTick(val, this.name);
this._ticks.push(t);
}
}
}
}
// min and max are set as would be the case with zooming
else if (this.min != null && this.max != null) {
var opts = $.extend(true, {}, this.tickOptions, {name: this.name, value: null});
var nt, ti;
// don't have an interval yet, pick one that gives the most
// "round" ticks we can get.
if (this.numberTicks == null && this.tickInterval == null) {
// var threshold = 30;
var tdim = Math.max(dim, threshold+1);
var nttarget = Math.ceil((tdim-threshold)/35 + 1);
var ret = $.jqplot.LinearTickGenerator.bestConstrainedInterval(this.min, this.max, nttarget);
this._autoFormatString = ret[3];
nt = ret[2];
ti = ret[4];
for (var i=0; i 0) {
shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2;
}
else {
shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2;
}
break;
case 'middle':
// if (t.angle > 0) {
// shim = -t.getHeight()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
// }
// else {
// shim = -t.getHeight()/2 - t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
// }
shim = -t.getHeight()/2;
break;
default:
shim = -t.getHeight()/2;
break;
}
}
else {
shim = -t.getHeight()/2;
}
var val = this.u2p(t.value) + shim + 'px';
t._elem.css('top', val);
t.pack();
}
}
if (lshow) {
var h = this._label._elem.outerHeight(true);
this._label._elem.css('top', offmax - pixellength/2 - h/2 + 'px');
if (this.name == 'yaxis') {
this._label._elem.css('left', '0px');
}
else {
this._label._elem.css('right', '0px');
}
this._label.pack();
}
}
}
};
})(jQuery); © 2015 - 2025 Weber Informatics LLC | Privacy Policy