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A simple JSF Tag example for optimizing the usage of JayFlot.
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| ... | |
| <myTags:JayFlot_CheckBoxTag_JSF | |
| plot="#{myManageBean.myPlot}" | |
| placeholder="placeholder" | |
| width="600" height="300" | |
| /> | |
| ... |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" | |
| "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml" | |
| xmlns:h="http://java.sun.com/jsf/html" | |
| xmlns:ui="http://java.sun.com/jsf/facelets" | |
| xmlns:c="http://java.sun.com/jstl/core" | |
| > | |
| <ui:composition> | |
| <script language="javascript" type="text/javascript" src="/yourProject/js/jquery-1.5.1.js"></script> | |
| <script language="javascript" type="text/javascript" src="/yourProject/js/flot/jquery.flot.js"></script> | |
| <script language="javascript" type="text/javascript" src="/yourProject/js/flot/jquery.flot.axislabels.js"></script> | |
| <table id="choices" style="font-weight: bold"><tr ><td>Show:</td></tr></table> | |
| <div id="#{placeholder}" style="width:#{width}px;height:#{height}px"></div> | |
| <script language="javascript" type="text/javascript"> | |
| var $j = jQuery.noConflict(); | |
| $j(function () { | |
| var datasets = {}; | |
| <c:if test="${plot != null}"> | |
| datasets = #{plot.printData}; | |
| </c:if> | |
| // hard-code color indices to prevent them from shifting as | |
| // datas are turned on/off | |
| var i = 0; | |
| $j.each(datasets, function(key, val) { | |
| val.color = i; | |
| ++i; | |
| }); | |
| // insert checkboxes | |
| var choiceContainer = $j("#choices"); | |
| var iterator = 0; | |
| $j.each(datasets, function(key, val) { | |
| if(iterator % 2==0){ | |
| choiceContainer.append('<td style="padding-right: 10px"><input type="checkbox" name="' + key + | |
| '" checked="checked" id="id' + key + '"/>' + | |
| '<label for="id' + key + '">' | |
| + val.label + '</label></td>'); | |
| } | |
| }); | |
| choiceContainer.find("input").click(plotAccordingToChoices); | |
| function plotAccordingToChoices() { | |
| var data = []; | |
| choiceContainer.find("input:checked").each(function () { | |
| var key = $j(this).attr("name"); | |
| if (key) | |
| if (datasets[key]) | |
| data.push(datasets[key]); | |
| }); | |
| if (maiorQue(data.length, 0)) | |
| $j.plot($j("##{placeholder}"), data, #{plot.printOptions}); | |
| } | |
| plotAccordingToChoices(); | |
| }); | |
| </script> | |
| </ui:composition> | |
| </html> |
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