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Diffstat (limited to 'tipboard/static/js/lib/jqplot/plugins/jqplot.blockRenderer.js')
| -rw-r--r-- | tipboard/static/js/lib/jqplot/plugins/jqplot.blockRenderer.js | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/tipboard/static/js/lib/jqplot/plugins/jqplot.blockRenderer.js b/tipboard/static/js/lib/jqplot/plugins/jqplot.blockRenderer.js new file mode 100644 index 0000000..e7c782c --- /dev/null +++ b/tipboard/static/js/lib/jqplot/plugins/jqplot.blockRenderer.js @@ -0,0 +1,235 @@ +/** + * 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.BlockRenderer + * Plugin renderer to draw a x-y block chart. A Block chart has data points displayed as + * colored squares with a text label inside. Data must be supplied in the form: + * + * > [[x1, y1, "label 1", {css}], [x2, y2, "label 2", {css}], ...] + * + * The label and css object are optional. If the label is ommitted, the + * box will collapse unless a css height and/or width is specified. + * + * The css object is an object specifying css properties + * such as: + * + * > {background:'#4f98a5', border:'3px solid gray', padding:'1px'} + * + * Note that css properties specified with the data point override defaults + * specified with the series. + * + */ + $.jqplot.BlockRenderer = function(){ + $.jqplot.LineRenderer.call(this); + }; + + $.jqplot.BlockRenderer.prototype = new $.jqplot.LineRenderer(); + $.jqplot.BlockRenderer.prototype.constructor = $.jqplot.BlockRenderer; + + // called with scope of a series + $.jqplot.BlockRenderer.prototype.init = function(options) { + // Group: Properties + // + // prop: css + // default css styles that will be applied to all data blocks. + // these values will be overridden by css styles supplied with the + // individulal data points. + this.css = {padding:'2px', border:'1px solid #999', textAlign:'center'}; + // prop: escapeHtml + // true to escape html in the box label. + this.escapeHtml = false; + // prop: insertBreaks + // true to turn spaces in data block label into html breaks <br />. + this.insertBreaks = true; + // prop: varyBlockColors + // true to vary the color of each block in this series according to + // the seriesColors array. False to set each block to the color + // specified on this series. This has no effect if a css background color + // option is specified in the renderer css options. + this.varyBlockColors = false; + $.extend(true, this, options); + if (this.css.backgroundColor) { + this.color = this.css.backgroundColor; + } + else if (this.css.background) { + this.color = this.css.background; + } + else if (!this.varyBlockColors) { + this.css.background = this.color; + } + this.canvas = new $.jqplot.BlockCanvas(); + this.shadowCanvas = new $.jqplot.BlockCanvas(); + this.canvas._plotDimensions = this._plotDimensions; + this.shadowCanvas._plotDimensions = this._plotDimensions; + this._type = 'block'; + + // group: Methods + // + // Method: moveBlock + // Moves an individual block. More efficient than redrawing + // the whole series by calling plot.drawSeries(). + // Properties: + // idx - the 0 based index of the block or point in this series. + // x - the x coordinate in data units (value on x axis) to move the block to. + // y - the y coordinate in data units (value on the y axis) to move the block to. + // duration - optional parameter to create an animated movement. Can be a + // number (higher is slower animation) or 'fast', 'normal' or 'slow'. If not + // provided, the element is moved without any animation. + this.moveBlock = function (idx, x, y, duration) { + // update plotData, stackData, data and gridData + // x and y are in data coordinates. + var el = this.canvas._elem.children(':eq('+idx+')'); + this.data[idx][0] = x; + this.data[idx][1] = y; + this._plotData[idx][0] = x; + this._plotData[idx][1] = y; + this._stackData[idx][0] = x; + this._stackData[idx][1] = y; + this.gridData[idx][0] = this._xaxis.series_u2p(x); + this.gridData[idx][1] = this._yaxis.series_u2p(y); + var w = el.outerWidth(); + var h = el.outerHeight(); + var left = this.gridData[idx][0] - w/2 + 'px'; + var top = this.gridData[idx][1] - h/2 + 'px'; + if (duration) { + if (parseInt(duration, 10)) { + duration = parseInt(duration, 10); + } + el.animate({left:left, top:top}, duration); + } + else { + el.css({left:left, top:top}); + } + el = null; + }; + }; + + // called with scope of series + $.jqplot.BlockRenderer.prototype.draw = function (ctx, gd, options) { + if (this.plugins.pointLabels) { + this.plugins.pointLabels.show = false; + } + var i, el, d, gd, t, css, w, h, left, top; + var opts = (options != undefined) ? options : {}; + var colorGenerator = new $.jqplot.ColorGenerator(this.seriesColors); + this.canvas._elem.empty(); + for (i=0; i<this.gridData.length; i++) { + d = this.data[i]; + gd = this.gridData[i]; + t = ''; + css = {}; + if (typeof d[2] == 'string') { + t = d[2]; + } + else if (typeof d[2] == 'object') { + css = d[2]; + } + if (typeof d[3] == 'object') { + css = d[3]; + } + if (this.insertBreaks){ + t = t.replace(/ /g, '<br />'); + } + css = $.extend(true, {}, this.css, css); + // create a div + el = $('<div style="position:absolute;margin-left:auto;margin-right:auto;"></div>'); + this.canvas._elem.append(el); + // set text + this.escapeHtml ? el.text(t) : el.html(t); + // style it + // remove styles we don't want overridden. + delete css.position; + delete css.marginRight; + delete css.marginLeft; + if (!css.background && !css.backgroundColor && !css.backgroundImage){ + css.background = colorGenerator.next(); + } + el.css(css); + w = el.outerWidth(); + h = el.outerHeight(); + left = gd[0] - w/2 + 'px'; + top = gd[1] - h/2 + 'px'; + el.css({left:left, top:top}); + el = null; + } + }; + + $.jqplot.BlockCanvas = function() { + $.jqplot.ElemContainer.call(this); + this._ctx; + }; + + $.jqplot.BlockCanvas.prototype = new $.jqplot.ElemContainer(); + $.jqplot.BlockCanvas.prototype.constructor = $.jqplot.BlockCanvas; + + $.jqplot.BlockCanvas.prototype.createElement = function(offsets, clss, plotDimensions) { + this._offsets = offsets; + var klass = 'jqplot-blockCanvas'; + if (clss != undefined) { + klass = clss; + } + var elem; + // if this canvas already has a dom element, don't make a new one. + if (this._elem) { + elem = this._elem.get(0); + } + else { + elem = document.createElement('div'); + } + // if new plotDimensions supplied, use them. + if (plotDimensions != undefined) { + this._plotDimensions = plotDimensions; + } + + var w = this._plotDimensions.width - this._offsets.left - this._offsets.right + 'px'; + var h = this._plotDimensions.height - this._offsets.top - this._offsets.bottom + 'px'; + this._elem = $(elem); + this._elem.css({ position: 'absolute', width:w, height:h, left: this._offsets.left, top: this._offsets.top }); + + this._elem.addClass(klass); + return this._elem; + }; + + $.jqplot.BlockCanvas.prototype.setContext = function() { + this._ctx = { + canvas:{ + width:0, + height:0 + }, + clearRect:function(){return null;} + }; + return this._ctx; + }; + +})(jQuery); + +
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