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initialize JS for word_cloud

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This commit is contained in:
Vasyl Nakvasiuk
2013-04-05 18:02:22 +03:00
parent 4b3fe54d48
commit dd5a7e7ba8
3 changed files with 64 additions and 328 deletions
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326
common/lib/xmodule/xmodule/js/src/word_cloud/word_cloud.js
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@@ -1,323 +1,5 @@
(function (requirejs, require, define) {
define('PollMain', ['logme'], function (logme) {
PollMain.prototype = {
'showAnswerGraph': function (poll_answers, total) {
var _this, totalValue;
totalValue = parseFloat(total);
if (isFinite(totalValue) === false) {
return;
}
_this = this;
$.each(poll_answers, function (index, value) {
var numValue, percentValue;
numValue = parseFloat(value);
if (isFinite(numValue) === false) {
return;
}
percentValue = (numValue / totalValue) * 100.0;
_this.answersObj[index].statsEl.show();
_this.answersObj[index].numberEl.html('' + value + ' (' + percentValue.toFixed(1) + '%)');
_this.answersObj[index].percentEl.css({
'width': '' + percentValue.toFixed(1) + '%'
});
window.WordCloud = function (el) {
RequireJS.require(['WordCloudMain'], function (WordCloudMain) {
new WordCloudMain(el);
});
},
'submitAnswer': function (answer, answerObj) {
var _this;
// Make sure that the user can answer a question only once.
if (this.questionAnswered === true) {
return;
}
this.questionAnswered = true;
_this = this;
console.log('submit answer');
answerObj.buttonEl.addClass('answered');
// Send the data to the server as an AJAX request. Attach a callback that will
// be fired on server's response.
$.postWithPrefix(
_this.ajax_url + '/' + answer, {},
function (response) {
console.log('success! response = ');
console.log(response);
_this.showAnswerGraph(response.poll_answers, response.total);
if (_this.canReset === true) {
_this.resetButton.show();
}
// Initialize Conditional constructors.
if (_this.wrapperSectionEl !== null) {
$(_this.wrapperSectionEl).find('.xmodule_ConditionalModule').each(function (index, value) {
new window.Conditional(value, _this.id.replace(/^poll_/, ''));
});
}
}
);
}, // End-of: 'submitAnswer': function (answer, answerEl) {
'submitReset': function () {
var _this;
_this = this;
console.log('submit reset');
// Send the data to the server as an AJAX request. Attach a callback that will
// be fired on server's response.
$.postWithPrefix(
this.ajax_url + '/' + 'reset_poll',
{},
function (response) {
console.log('success! response = ');
console.log(response);
if (
(response.hasOwnProperty('status') !== true) ||
(typeof response.status !== 'string') ||
(response.status.toLowerCase() !== 'success')) {
return;
}
_this.questionAnswered = false;
_this.questionEl.find('.button.answered').removeClass('answered');
_this.questionEl.find('.stats').hide();
_this.resetButton.hide();
// Initialize Conditional constructors. We will specify the third parameter as 'true'
// notifying the constructor that this is a reset operation.
if (_this.wrapperSectionEl !== null) {
$(_this.wrapperSectionEl).find('.xmodule_ConditionalModule').each(function (index, value) {
new window.Conditional(value, _this.id.replace(/^poll_/, ''));
});
}
}
);
}, // End-of: 'submitAnswer': function (answer, answerEl) {
'postInit': function () {
var _this;
// Access this object inside inner functions.
_this = this;
if (
(this.jsonConfig.poll_answer.length > 0) &&
(this.jsonConfig.answers.hasOwnProperty(this.jsonConfig.poll_answer) === false)
) {
this.questionEl.append(
'<h3>Error!</h3>' +
'<p>XML data format changed. List of answers was modified, but poll data was not updated.</p>'
);
return;
}
// Get the DOM id of the question.
this.id = this.questionEl.attr('id');
// Get the URL to which we will post the users answer to the question.
this.ajax_url = this.questionEl.data('ajax-url');
this.questionHtmlMarkup = $('<div />').html(this.jsonConfig.question).text();
this.questionEl.append(this.questionHtmlMarkup);
// When the user selects and answer, we will set this flag to true.
this.questionAnswered = false;
this.answersObj = {};
this.shortVersion = true;
$.each(this.jsonConfig.answers, function (index, value) {
if (value.length >= 18) {
_this.shortVersion = false;
}
});
$.each(this.jsonConfig.answers, function (index, value) {
var answer;
answer = {};
_this.answersObj[index] = answer;
answer.el = $('<div class="poll_answer"></div>');
answer.questionEl = $('<div class="question"></div>');
answer.buttonEl = $('<div class="button"></div>');
answer.textEl = $('<div class="text"></div>');
answer.questionEl.append(answer.buttonEl);
answer.questionEl.append(answer.textEl);
answer.el.append(answer.questionEl);
answer.statsEl = $('<div class="stats"></div>');
answer.barEl = $('<div class="bar"></div>');
answer.percentEl = $('<div class="percent"></div>');
answer.barEl.append(answer.percentEl);
answer.numberEl = $('<div class="number"></div>');
answer.statsEl.append(answer.barEl);
answer.statsEl.append(answer.numberEl);
answer.statsEl.hide();
answer.el.append(answer.statsEl);
answer.textEl.html(value);
if (_this.shortVersion === true) {
$.each(answer, function (index, value) {
if (value instanceof jQuery) {
value.addClass('short');
}
});
}
answer.el.appendTo(_this.questionEl);
answer.textEl.on('click', function () {
_this.submitAnswer(index, answer);
});
answer.buttonEl.on('click', function () {
_this.submitAnswer(index, answer);
});
if (index === _this.jsonConfig.poll_answer) {
answer.buttonEl.addClass('answered');
_this.questionAnswered = true;
}
});
console.log(this.jsonConfig.reset);
if ((typeof this.jsonConfig.reset === 'string') && (this.jsonConfig.reset.toLowerCase() === 'true')) {
this.canReset = true;
this.resetButton = $('<div class="button reset-button">Change your vote</div>');
if (this.questionAnswered === false) {
this.resetButton.hide();
}
this.resetButton.appendTo(this.questionEl);
this.resetButton.on('click', function () {
_this.submitReset();
});
} else {
this.canReset = false;
}
// If it turns out that the user already answered the question, show the answers graph.
if (this.questionAnswered === true) {
this.showAnswerGraph(this.jsonConfig.poll_answers, this.jsonConfig.total);
}
} // End-of: 'postInit': function () {
}; // End-of: PollMain.prototype = {
return PollMain;
function PollMain(el) {
var _this;
this.questionEl = $(el).find('.poll_question');
if (this.questionEl.length !== 1) {
// We require one question DOM element.
logme('ERROR: PollMain constructor requires one question DOM element.');
return;
}
// Just a safety precussion. If we run this code more than once, multiple 'click' callback handlers will be
// attached to the same DOM elements. We don't want this to happen.
if (this.questionEl.attr('poll_main_processed') === 'true') {
logme(
'ERROR: PolMain JS constructor was called on a DOM element that has already been processed once.'
);
return;
}
// This element was not processed earlier.
// Make sure that next time we will not process this element a second time.
this.questionEl.attr('poll_main_processed', 'true');
// Access this object inside inner functions.
_this = this;
// DOM element which contains the current poll along with any conditionals. By default we assume that such
// element is not present. We will try to find it.
this.wrapperSectionEl = null;
(function (tempEl, c1) {
while (tempEl.tagName.toLowerCase() !== 'body') {
tempEl = $(tempEl).parent()[0];
c1 += 1;
if (
(tempEl.tagName.toLowerCase() === 'section') &&
($(tempEl).hasClass('xmodule_WrapperModule') === true)
) {
_this.wrapperSectionEl = tempEl;
break;
} else if (c1 > 50) {
// In case something breaks, and we enter an endless loop, a sane
// limit for loop iterations.
break;
}
}
}($(el)[0], 0));
try {
this.jsonConfig = JSON.parse(this.questionEl.children('.poll_question_div').html());
$.postWithPrefix(
'' + this.questionEl.data('ajax-url') + '/' + 'get_state', {},
function (response) {
_this.jsonConfig.poll_answer = response.poll_answer;
_this.jsonConfig.total = response.total;
$.each(response.poll_answers, function (index, value) {
_this.jsonConfig.poll_answers[index] = value;
});
_this.questionEl.children('.poll_question_div').html(JSON.stringify(_this.jsonConfig));
_this.postInit();
}
);
return;
} catch (err) {
logme(
'ERROR: Invalid JSON config for poll ID "' + this.id + '".',
'Error messsage: "' + err.message + '".'
);
return;
}
} // End-of: function PollMain(el) {
}); // End-of: define('PollMain', ['logme'], function (logme) {
// End-of: (function (requirejs, require, define) {
}(RequireJS.requirejs, RequireJS.require, RequireJS.define));
};

64
common/lib/xmodule/xmodule/js/src/word_cloud/word_cloud_main.js
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@@ -1,5 +1,59 @@
window.Poll = function (el) {
RequireJS.require(['PollMain'], function (PollMain) {
new PollMain(el);
});
};
(function (requirejs, require, define) {
define('WordCloudMain', ['logme'], function (logme) {
WordCloudMain.prototype = {
'submitAnswer': function (answer, answerObj) {
var _this;
_this = this;
console.log('submit answer');
answerObj.buttonEl.addClass('answered');
// Send the data to the server as an AJAX request. Attach a callback that will
// be fired on server's response.
$.postWithPrefix(
_this.ajax_url + '/' + answer, {},
function (response) {
console.log('success! response = ');
console.log(response);
_this.showWordCloud(response.poll_answers, response.total);
}
);
}, // End-of: 'submitAnswer': function (answer, answerEl) {
'showWordCloud': function(){
console.log('TADAM!!!')
},
}; // End-of: WordCloudMain.prototype = {
return WordCloudMain;
function WordCloudMain(el) {
var _this;
this.questionEl = $(el).find('.poll_question');
if (this.questionEl.length !== 1) {
// We require one question DOM element.
logme('ERROR: WordCloudMain constructor requires one question DOM element.');
return;
}
// Access this object inside inner functions.
_this = this;
this.submitAnswer(this.questionEl)
} // End-of: function WordCloudMain(el) {
}); // End-of: define('WordCloudMain', ['logme'], function (logme) {
// End-of: (function (requirejs, require, define) {
}(RequireJS.requirejs, RequireJS.require, RequireJS.define));

2
lms/templates/word_cloud.html
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@@ -1,5 +1,5 @@
<section
id="poll_${element_id}"
id="word_cloud_${element_id}"
class="${element_class}"
data-ajax-url="${ajax_url}"
>