Changed tweets, added eca
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71
devjan_static/lib/wordcloud.js
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71
devjan_static/lib/wordcloud.js
Normal file
@@ -0,0 +1,71 @@
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(function($, block) {
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// a simple wordcloud example
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block.fn.wordcloud = function(config) {
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var options = $.extend({
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// weight=0 means word is not in cloud
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weight_function : function(val,max) { return val; },
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}, config);
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var $container = $(this.$element);
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// create empty wordcloud with parameter options
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var wordcloud_el = $container.jQCloud([{
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text: "TEXT",
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weight: 1
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}]);
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// dict containing the labels and values
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var worddata_dict = {};
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var addword = function(label, value) {
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if (worddata_dict.hasOwnProperty(label)) {
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worddata_dict[label] += value;
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} else {
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worddata_dict[label] = value;
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}
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redraw();
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}
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var setword = function(label, value) {
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worddata_dict[label] = value;
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redraw();
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}
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var redraw = function() {
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var result = [];
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var max = 0;
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// incomplete, determine max
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for (var k in worddata_dict) {
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if (worddata_dict.hasOwnProperty(k)) {
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max = Math.max(max, worddata_dict[k]);
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}
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}
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for (var k in worddata_dict) {
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if (worddata_dict.hasOwnProperty(k)) {
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var w = options.weight_function(worddata_dict[k],max);
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if ( w > 0 )
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result.push({text: k, weight: w});
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}
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}
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$($container).empty().jQCloud(result);
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}
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var reset = function() {
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worddata_dict = {};
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}
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this.actions({
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'set': function(e, message) {
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setword(message.value[0], message.value[1]);
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},
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'add': function(e, message) {
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addword(message.value[0], message.value[1]);
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},
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'reset': function(e, message) {
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reset();
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}
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});
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// return element to allow further work
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return this.$element;
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}
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})(jQuery, block);
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