diff options
author | talasila <talasila@research.att.com> | 2017-02-08 10:13:29 -0500 |
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committer | talasila <talasila@research.att.com> | 2017-02-08 10:15:00 -0500 |
commit | f8a8d5192b1e5013d9e2f699be54b072ef39d5f0 (patch) | |
tree | b7a65bb0a7d70a9dc24c064113868e5f3b8e6a09 /dcae_dmaapbc_webapp/src/main/webapp/static/fusion/raptor/dy3/js/plugins/grid.js | |
parent | 72a80fbff7120630576ccd5aa67c20818c2943c7 (diff) |
Initial OpenECOMP UI/DMaapBC commit
Change-Id: Ia492e1b88311b9bed4c31f593b28deaaad73b7e4
Signed-off-by: talasila <talasila@research.att.com>
Diffstat (limited to 'dcae_dmaapbc_webapp/src/main/webapp/static/fusion/raptor/dy3/js/plugins/grid.js')
-rw-r--r-- | dcae_dmaapbc_webapp/src/main/webapp/static/fusion/raptor/dy3/js/plugins/grid.js | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/dcae_dmaapbc_webapp/src/main/webapp/static/fusion/raptor/dy3/js/plugins/grid.js b/dcae_dmaapbc_webapp/src/main/webapp/static/fusion/raptor/dy3/js/plugins/grid.js new file mode 100644 index 0000000..425d93f --- /dev/null +++ b/dcae_dmaapbc_webapp/src/main/webapp/static/fusion/raptor/dy3/js/plugins/grid.js @@ -0,0 +1,124 @@ +/** + * @license + * Copyright 2012 Dan Vanderkam (danvdk@gmail.com) + * MIT-licensed (http://opensource.org/licenses/MIT) + */ +/*global Dygraph:false */ + +Dygraph.Plugins.Grid = (function() { + +/* + +Current bits of jankiness: +- Direct layout access +- Direct area access + +*/ + +"use strict"; + + +/** + * Draws the gridlines, i.e. the gray horizontal & vertical lines running the + * length of the chart. + * + * @constructor + */ +var grid = function() { +}; + +grid.prototype.toString = function() { + return "Gridline Plugin"; +}; + +grid.prototype.activate = function(g) { + return { + willDrawChart: this.willDrawChart + }; +}; + +grid.prototype.willDrawChart = function(e) { + // Draw the new X/Y grid. Lines appear crisper when pixels are rounded to + // half-integers. This prevents them from drawing in two rows/cols. + var g = e.dygraph; + var ctx = e.drawingContext; + var layout = g.layout_; + var area = e.dygraph.plotter_.area; + + function halfUp(x) { return Math.round(x) + 0.5; } + function halfDown(y){ return Math.round(y) - 0.5; } + + var x, y, i, ticks; + if (g.getOption('drawYGrid')) { + var axes = ["y", "y2"]; + var strokeStyles = [], lineWidths = [], drawGrid = [], stroking = [], strokePattern = []; + for (var i = 0; i < axes.length; i++) { + drawGrid[i] = g.getOptionForAxis("drawGrid", axes[i]); + if (drawGrid[i]) { + strokeStyles[i] = g.getOptionForAxis('gridLineColor', axes[i]); + lineWidths[i] = g.getOptionForAxis('gridLineWidth', axes[i]); + strokePattern[i] = g.getOptionForAxis('gridLinePattern', axes[i]); + stroking[i] = strokePattern[i] && (strokePattern[i].length >= 2); + } + } + ticks = layout.yticks; + ctx.save(); + // draw grids for the different y axes + for (i = 0; i < ticks.length; i++) { + var axis = ticks[i][0]; + if(drawGrid[axis]) { + if (stroking[axis]) { + ctx.installPattern(strokePattern[axis]); + } + ctx.strokeStyle = strokeStyles[axis]; + ctx.lineWidth = lineWidths[axis]; + + x = halfUp(area.x); + y = halfDown(area.y + ticks[i][1] * area.h); + ctx.beginPath(); + ctx.moveTo(x, y); + ctx.lineTo(x + area.w, y); + ctx.closePath(); + ctx.stroke(); + + if (stroking[axis]) { + ctx.uninstallPattern(); + } + } + } + ctx.restore(); + } + + // draw grid for x axis + if (g.getOption('drawXGrid') && g.getOptionForAxis("drawGrid", 'x')) { + ticks = layout.xticks; + ctx.save(); + var strokePattern = g.getOptionForAxis('gridLinePattern', 'x'); + var stroking = strokePattern && (strokePattern.length >= 2); + if (stroking) { + ctx.installPattern(strokePattern); + } + ctx.strokeStyle = g.getOptionForAxis('gridLineColor', 'x'); + ctx.lineWidth = g.getOptionForAxis('gridLineWidth', 'x'); + for (i = 0; i < ticks.length; i++) { + x = halfUp(area.x + ticks[i][0] * area.w); + y = halfDown(area.y + area.h); + ctx.beginPath(); + ctx.moveTo(x, y); + ctx.lineTo(x, area.y); + ctx.closePath(); + ctx.stroke(); + } + if (stroking) { + ctx.uninstallPattern(); + } + ctx.restore(); + } +}; + +grid.prototype.destroy = function() { +}; + +return grid; + +})(); |