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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| .Rproj.user | ||
| .Rhistory | ||
| .RData |
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| /** | ||
| * Javascript client library for OpenCPU | ||
| * Version 0.1 | ||
| * Depends: jQuery | ||
| * http://github.com/jeroenooms/opencpu-js | ||
| * | ||
| * Include this file in your apps (packages). | ||
| * Edit r_path variable below if needed. | ||
| */ | ||
|
|
||
| (function ( $ ) { | ||
| //static vars | ||
| var r_path = "../R"; | ||
|
|
||
| //internal functions | ||
| function r_fun_call(fun, args, handler){ | ||
| if(!fun) throw "r_fun_call called without fun"; | ||
| var args = args || {}; | ||
|
|
||
| var jqxhr = $.ajax({ | ||
| type: "POST", | ||
| url: r_path + "/" + fun, | ||
| data: JSON.stringify(args), | ||
| contentType : 'application/json', | ||
| dataType: "text", | ||
| success : function(){ | ||
| var Location = jqxhr.getResponseHeader('Location'); | ||
| if(!Location){ | ||
| alert("Response was successful but had no location??") | ||
| } else { | ||
| handler(Location); | ||
| } | ||
| }, | ||
| error : function(){ | ||
| var status = jqxhr.status; | ||
| switch(status) { | ||
| case 400: | ||
| alert("Call to R resulted in an error:\n\n" + jqxhr.responseText); | ||
| break; | ||
| case 503: | ||
| alert("Problem with OpenCPU server:\n\n" + jqxhr.responseText); | ||
| break; | ||
| default: | ||
| alert("HTTP error: " + status + "\n\n" + jqxhr.responseText); | ||
| } | ||
| } | ||
| }); | ||
| return jqxhr; | ||
| } | ||
|
|
||
| function r_session_list(location, handler){ | ||
| if(!location) throw "r_session_list called without location"; | ||
| return $.ajax({ | ||
| type: "GET", | ||
| url: location, | ||
| dataType: "text", | ||
| success : function(data, textStatus, jqXHR){ | ||
| handler(data); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| //plotting widget | ||
| //to be called on an (empty) div. | ||
| $.fn.r_fun_plot = function(fun, args) { | ||
| var targetdiv = this; | ||
| if(!targetdiv.data("div")){ | ||
| targetdiv.data("div", $('<div />').attr({ | ||
| class: "r_fun_plot", | ||
| style: "width: 100%; height:100%; min-width: 100px; min-height: 100px; position:absolute; background-repeat:no-repeat; background-size: 100% 100%;" | ||
| }).appendTo(targetdiv)); | ||
| } | ||
|
|
||
| var div = targetdiv.data("div"); | ||
|
|
||
| if(!div.data("spinner")){ | ||
| div.data("spinner", $('<span />').attr({ | ||
| style : "position: absolute; top: 20px; left: 20px; z-index:1000; font-family: monospace;" | ||
| }).text("loading...").appendTo(div)); | ||
| } | ||
|
|
||
| if(!div.data("pdflink")){ | ||
| div.data("pdflink", $('<a />').attr({ | ||
| target: "_blank", | ||
| style: "position: absolute; top: 10px; right: 10px; z-index:1000; text-decoration:underline; font-family: monospace;" | ||
| }).text("pdf").appendTo(div)); | ||
| } | ||
|
|
||
| if(!div.data("svglink")){ | ||
| div.data("svglink", $('<a />').attr({ | ||
| target: "_blank", | ||
| style: "position: absolute; top: 30px; right: 10px; z-index:1000; text-decoration:underline; font-family: monospace;" | ||
| }).text("svg").appendTo(div)); | ||
| } | ||
|
|
||
| if(!div.data("pnglink")){ | ||
| div.data("pnglink", $('<a />').attr({ | ||
| target: "_blank", | ||
| style: "position: absolute; top: 50px; right: 10px; z-index:1000; text-decoration:underline; font-family: monospace;" | ||
| }).text("png").appendTo(div)); | ||
| } | ||
|
|
||
| div.css("background-image", "none"); | ||
| var pdf = div.data("pdflink").hide(); | ||
| var svg = div.data("svglink").hide(); | ||
| var png = div.data("pnglink").hide(); | ||
| var spinner = div.data("spinner").show(); | ||
|
|
||
|
|
||
| // call the function | ||
| return r_fun_call(fun, args, function(Location) { | ||
| div.data("plotlocation", Location); | ||
| pdf.attr("href", Location + "graphics/last/pdf?width=11.69&height=8.27&paper=a4r"); | ||
| svg.attr("href", Location + "graphics/last/svg?width=11.69&height=8.27"); | ||
| png.attr("href", Location + "graphics/last/png?width=800&height=600"); | ||
|
|
||
| // function to update the png image | ||
| var updatepng = debounce(function(e) { | ||
| var loc = div.data("plotlocation"); | ||
| var oldurl = div.css("background-image"); | ||
| var newurl = "url(" + loc + "graphics/last/png?width=" + div.width() + "&height=" + div.height() + ")"; | ||
|
|
||
| // use the tail of the url only to prevent absolute url problems | ||
| if (div.is(":visible") && oldurl.slice(-50) != newurl.slice(-50)) { | ||
| div.css("background-image", newurl); | ||
| } | ||
| spinner.hide(); | ||
| pdf.show(); | ||
| svg.show(); | ||
| png.show(); | ||
| }, 500); | ||
|
|
||
| // register update handlers | ||
| div.on("resize", updatepng); | ||
| $(window).on("resize", updatepng); | ||
|
|
||
| // show | ||
| updatepng(); | ||
| }); | ||
| } | ||
|
|
||
|
|
||
| // from understore.js | ||
| function debounce(func, wait, immediate) { | ||
| var result; | ||
| var timeout = null; | ||
| return function() { | ||
| var context = this, args = arguments; | ||
| var later = function() { | ||
| timeout = null; | ||
| if (!immediate) | ||
| result = func.apply(context, args); | ||
| }; | ||
| var callNow = immediate && !timeout; | ||
| clearTimeout(timeout); | ||
| timeout = setTimeout(later, wait); | ||
| if (callNow) | ||
| result = func.apply(context, args); | ||
| return result; | ||
| } | ||
| } | ||
|
|
||
| // exported functions | ||
| window.opencpu = { | ||
| r_fun_call : r_fun_call | ||
| } | ||
|
|
||
| }( jQuery )); |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,16 @@ | ||
| Version: 1.0 | ||
|
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| RestoreWorkspace: Default | ||
| SaveWorkspace: Default | ||
| AlwaysSaveHistory: Default | ||
|
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| EnableCodeIndexing: Yes | ||
| UseSpacesForTab: Yes | ||
| NumSpacesForTab: 2 | ||
| Encoding: UTF-8 | ||
|
|
||
| RnwWeave: Sweave | ||
| LaTeX: pdfLaTeX | ||
|
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| BuildType: Package | ||
| PackageInstallArgs: --no-multiarch --with-keep.source |