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GST work in progress.

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This commit is contained in:
Valera Rozuvan
2012-12-11 10:47:46 +02:00
committed by Alexander Kryklia
parent 28f4921924
commit 3e46ecef64
4 changed files with 108 additions and 118 deletions
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132
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/graph.js
View File

@@ -7,7 +7,7 @@ define('Graph', ['logme'], function (logme) {
return Graph;
function Graph(gstId, config, state) {
var plotDiv, dataSets, functions;
var plotDiv, dataSeries, functions;
logme(config);
@@ -39,37 +39,55 @@ define('Graph', ['logme'], function (logme) {
}
if (typeof config.plot['function'] === 'string') {
// If just one function string is present.
addFunction(config.plot['function']);
} else if ($.isPlainObject(config.plot['function']) === true) {
addFunction(
config.plot['function']['#text'],
config.plot['function']['@color'],
config.plot['function']['@dot'],
config.plot['function']['@label'],
config.plot['function']['@line'],
config.plot['function']['@point_size'],
config.plot['function']['@style']
);
// If a function is present, but it also has properties
// defined.
callAddFunction(config.plot['function']);
} else if ($.isArray(config.plot['function'])) {
// If more than one function is defined.
for (c1 = 0; c1 < config.plot['function'].length; c1++) {
// For each definition, we must check if it is a simple
// string definition, or a complex one with properties.
if (typeof config.plot['function'][c1] === 'string') {
// Simple string.
addFunction(config.plot['function'][c1]);
} else if ($.isPlainObject(config.plot['function'][c1])) {
addFunction(
config.plot['function'][c1]['#text'],
config.plot['function'][c1]['@color'],
config.plot['function'][c1]['@dot'],
config.plot['function'][c1]['@label'],
config.plot['function'][c1]['@line'],
config.plot['function'][c1]['@point_size'],
config.plot['function'][c1]['@style']
);
// Properties are present.
callAddFunction(config.plot['function'][c1]);
}
}
}
return;
// This function will reduce code duplications. We have to call
// the function addFunction() several times passing object
// properties. A parameters. Rather than writing them out every
// time, we will have a single point of
function callAddFunction(obj) {
addFunction(
obj['#text'],
obj['@color'],
obj['@line'],
obj['@dot'],
obj['@label'],
obj['@style'],
obj['@point_size']
);
}
function addFunction(funcString, color, line, dot, label, style, point_size) {
var newFunctionObject, func, constNames;
@@ -95,7 +113,7 @@ define('Graph', ['logme'], function (logme) {
newFunctionObject['color'] = color;
}
if (typeof line === 'boolean') {
if ((typeof line === 'boolean') || (typeof line === 'string')) {
if ((line === 'true') || (line === true)) {
newFunctionObject['line'] = true;
} else {
@@ -111,6 +129,9 @@ define('Graph', ['logme'], function (logme) {
}
}
// By default, if no preference was set, or if the preference
// is conflicting (we must have either line or dot, none is
// not an option), we will show line.
if ((newFunctionObject['dot'] === false) && (newFunctionObject['line'] === false)) {
newFunctionObject['line'] = true;
}
@@ -131,33 +152,68 @@ define('Graph', ['logme'], function (logme) {
}
function generateData() {
var c0, c1, datapoints, constValues, x, y;
var c0, c1, functionObj, seriesObj, dataPoints, constValues, x, y;
constValues = state.getAllConstantValues();
dataSets = [];
dataSeries = [];
for (c0 = 0; c0 < functions.length; c0 += 1) {
datapoints = [];
functionObj = functions[c0];
logme('Functions obj:', functionObj);
for (c1 = 0; c1 < 30; c1 += 0.1) {
seriesObj = {};
dataPoints = [];
for (c1 = 0; c1 < 30; c1 += 1) {
x = c1;
// Push the 'x' variable to the end of the parameter array.
constValues.push(x);
y = functions[c0].func.apply(window, constValues);
// We call the user defined function, passing all of the
// available constant values. inside this function they
// will be accessible by their names.
y = functionObj.func.apply(window, constValues);
// Return the constValues array to how it was before we
// added 'x' variable to the end of it.
constValues.pop();
datapoints.push([x, y]);
// Add the generated point to the data points set.
dataPoints.push([x, y]);
}
dataSets.push(datapoints);
// Put the entire data points set into the series object.
seriesObj.data = dataPoints;
// See if user defined a specific color for this function.
if (functionObj.hasOwnProperty('color') === true) {
seriesObj.color = functionObj.color;
}
// See if a user defined a label for this function.
if (functionObj.hasOwnProperty('label') === true) {
seriesObj.label = functionObj.label;
}
seriesObj.lines = {
'show': functionObj.line
};
seriesObj.points = {
'show': functionObj.dot
};
dataSeries.push(seriesObj);
}
}
function updatePlot() {
$.plot(
plotDiv,
dataSets,
dataSeries,
{
'xaxis': {
'min': 0,
@@ -166,9 +222,29 @@ define('Graph', ['logme'], function (logme) {
'yaxis': {
'min': -5,
'max': 5
},
'legend': {
// To show the legend or not. Note, even if 'show' is
// 'true', the legend will only show if labels are
// provided for at least one of the series that are
// going to be plotted.
'show': true,
// A floating point number in the range [0, 1]. The
// smaller the number, the more transparent will the
// legend background become.
'backgroundOpacity': 0
}
}
);
MathJax.Hub.Queue([
'Typeset',
MathJax.Hub,
plotDiv.attr('id')
]);
}
}
});

4
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/gst_main.js
View File

@@ -4,6 +4,10 @@
define(
'GstMain',
// Even though it is not explicitly in this module, we have to specify
// 'GeneralMethods' as a dependency. It expands some of the core JS objects
// with additional useful methods that are used in other modules.
['State', 'GeneralMethods', 'Sliders', 'Inputs', 'Graph'],
function (State, GeneralMethods, Sliders, Inputs, Graph) {

15
common/static/js/graphical_slider_tool/gst_module.js
View File

@@ -1,15 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define([], function () {
return {
'module_status': 'OK'
};
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

75
common/static/js/graphical_slider_tool/main.js
View File

@@ -1,75 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
// For documentation please check:
// http://requirejs.org/docs/api.html
requirejs.config({
// Because require.js is included as a simple <script> tag (and is
// forcefully namespaced) it does not get it's configuration from a
// predefined 'data-main' attribute. Therefore, from the start, it assumes
// that the 'baseUrl' is the same directory that require.js itself is
// contained in - i.e. in '/static/js/vendor'. So, we must specify a
// correct 'baseUrl'.
//
// Require JS initially searches this directory for all of the specified
// dependencies. If the dependency is
//
// 'sylvester'
//
// then it will try to get it from
//
// baseUrl + '/' + 'sylvester' + '.js'
//
// If the dependency is
//
// 'vendor_libs/sylvester'
//
// then it will try to get it from
//
// baseUrl + '/' + 'vendor_libs/sylvester' + '.js'
//
// This means two things. One - you can use sub-folders to separate your
// code. Two - don't include the '.js' suffix when specifying a dependency.
//
// For documentation please check:
// http://requirejs.org/docs/api.html#config-baseUrl
'baseUrl': '/static/js/graphical_slider_tool',
// If you need to load from another path, you can specify it here on a
// per-module basis. For example you can specify CDN sources here, or
// absolute paths that lie outside of the 'baseUrl' directory.
//
// For documentation please check:
// http://requirejs.org/docs/api.html#config-paths
'paths': {
},
// Since all of the modules that we require are not aware of our custom
// RequireJS solution, that means all of them will be working in the
// "old mode". I.e. they will populate the global namespace with their
// module object.
//
// For each module that we will use, we will specify what is exports into
// the global namespace, and, if necessary, other modules that it depends.
// on. Module dependencies (downloading them, inserting into the document,
// etc.) are handled by RequireJS.
//
// For documentation please check:
// http://requirejs.org/docs/api.html#config-shim
'shim': {
}
}); // End-of: requirejs.config({
// Start the main app logic.
requirejs(['gst_module'], function (GstModule) {
console.log(GstModule);
}); // End-of: requirejs(['gst_module'], function (GstModule)
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)