/**
* Copyright (c) 2011-2013, kidzhou 周磊 (zhouleib1412@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jfinal.ext.render.chart.funshion;
import javax.servlet.http.HttpServletResponse;
public class FusionCharts {
/**
* Encodes the dataURL before it's served to FusionCharts. If you have parameters in your dataURL, you necessarily need to encode it.
*
* @param strDataURL
* - dataURL to be fed to chart
* @param addNoCacheStr
* - Whether to add aditional string to URL to disable caching of data
* @return
*/
public String encodeDataURL(String strDataURL, String addNoCacheStr, HttpServletResponse response) {
String encodedURL = strDataURL;
// Add the no-cache string if required
if (addNoCacheStr.equals("true")) {
/*
* We add ?FCCurrTime=xxyyzz If the dataURL already contains a ?, we add &FCCurrTime=xxyyzz We send the date separated with '_',
* instead of the usual ':' as FusionCharts cannot handle : in URLs
*/
java.util.Calendar nowCal = java.util.Calendar.getInstance();
java.util.Date now = nowCal.getTime();
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("MM/dd/yyyy HH_mm_ss a");
String strNow = sdf.format(now);
if (strDataURL.indexOf("?") > 0) {
encodedURL = strDataURL + "&FCCurrTime=" + strNow;
} else {
strDataURL = strDataURL + "?FCCurrTime=" + strNow;
}
encodedURL = response.encodeURL(strDataURL);
}
return encodedURL;
}
/**
* Creates the Chart HTML+Javascript to create the FusionCharts object with the given parameters. This method uses JavaScript to
* overcome the IE browser problem with SWF wherein you have to 'Click to activate' the control
*
* @param chartSWF
* - SWF File Name (and Path) of the chart which you intend to plot
* @param strURL
* - If you intend to use dataURL method for this chart, pass the URL as this parameter. Else, set it to "" (in case of
* dataXML method)
* @param strXML
* - If you intend to use dataXML method for this chart, pass the XML data as this parameter. Else, set it to "" (in case of
* dataURL method)
* @param chartId
* - Id for the chart, using which it will be recognized in the HTML page. Each chart on the page needs to have a unique Id.
* @param chartWidth
* - Intended width for the chart (in pixels)
* @param chartHeight
* - Intended height for the chart (in pixels)
* @param debugMode
* - Whether to start the chart in debug mode
* @param registerWithJS
* - Whether to ask chart to register itself with JavaScript
*/
public String createChart(String chartSWF, String strURL, String strXML, String chartId, int chartWidth, int chartHeight,
boolean debugMode, boolean registerWithJS) {
StringBuffer strBuf = new StringBuffer();
/*
* First we create a new DIV for each chart. We specify the name of DIV as "chartId"Div. DIV names are case-sensitive.
*/
strBuf.append("<!--START Script Block for Chart -->\n");
strBuf.append("\t\t<div id='" + chartId + "Div' align='center'>\n");
strBuf.append("\t\t\t\tChart.\n");
/*
* The above text "Chart" is shown to users before the chart has started loading (if there is a lag in relaying SWF from server).
* This text is also shown to users who do not have Flash Player installed. You can configure it as per your needs.
*/
strBuf.append("\t\t</div>\n");
/*
* Now, we render the chart using FusionCharts Class. Each chart's instance (JavaScript) Id is named as chart_"chartId".
*/
strBuf.append("\t\t<script type='text/javascript'>\n");
// Instantiate the Chart
Boolean registerWithJSBool = new Boolean(registerWithJS);
Boolean debugModeBool = new Boolean(debugMode);
int regWithJSInt = boolToNum(registerWithJSBool);
int debugModeInt = boolToNum(debugModeBool);
strBuf.append("\t\t\t\tvar chart_" + chartId + " = new FusionCharts('" + chartSWF + "', '" + chartId + "', '" + chartWidth + "', '"
+ chartHeight + "', '" + debugModeInt + "', '" + regWithJSInt + "');\n");
// Check whether we've to provide data using dataXML method or dataURL method
if (strXML.equals("")) {
strBuf.append("\t\t\t\t//Set the dataURL of the chart\n");
strBuf.append("\t\t\t\tchart_" + chartId + ".setDataURL(\"" + strURL + "\");\n");
} else {
strBuf.append("\t\t\t\t//Provide entire XML data using dataXML method\n");
strBuf.append("\t\t\t\tchart_" + chartId + ".setDataXML(\"" + strXML + "\");\n");
}
strBuf.append("\t\t\t\t//Finally, render the chart.\n");
strBuf.append("\t\t\t\tchart_" + chartId + ".render(\"" + chartId + "Div\");\n");
strBuf.append("\t\t</script>\n");
strBuf.append("\t\t<!--END Script Block for Chart-->\n");
return strBuf.substring(0);
}
/**
* Creates the Chart HTML to embed the swf object with the given parameters
*
* @param chartSWF
* - SWF File Name (and Path) of the chart which you intend to plot
* @param strURL
* - If you intend to use dataURL method for this chart, pass the URL as this parameter. Else, set it to "" (in case of
* dataXML method)
* @param strXML
* - If you intend to use dataXML method for this chart, pass the XML data as this parameter. Else, set it to "" (in case of
* dataURL method)
* @param chartId
* - Id for the chart, using which it will be recognized in the HTML page. Each chart on the page needs to have a unique Id.
* @param chartWidth
* - Intended width for the chart (in pixels)
* @param chartHeight
* - Intended height for the chart (in pixels)
* @param debugMode
* - Whether to start the chart in debug mode
*/
public String createChartHTML(String chartSWF, String strURL, String strXML, String chartId, String chartWidth, String chartHeight,
boolean debugMode) {
/*
* Generate the FlashVars string based on whether dataURL has been provided or dataXML.
*/
String strFlashVars = "";
Boolean debugModeBool = new Boolean(debugMode);
if (strXML.equals("")) {
// DataURL Mode
strFlashVars = "chartWidth=" + chartWidth + "&chartHeight=" + chartHeight + "&debugMode=" + boolToNum(debugModeBool)
+ "&dataURL=" + strURL + "";
} else {
// DataXML Mode
strFlashVars = "chartWidth=" + chartWidth + "&chartHeight=" + chartHeight + "&debugMode=" + boolToNum(debugModeBool)
+ "&dataXML=" + strXML + "";
}
StringBuffer strBuf = new StringBuffer();
strBuf.append("\t\t<!--START Code Block for Chart-->\n");
strBuf.append("\t\t\t\t<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' "
+ "codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0' width='" + chartWidth
+ "' height='" + chartHeight + "' id='" + chartId + "'>\n");
strBuf.append("\t\t\t\t <param name='allowScriptAccess' value='always' />\n");
strBuf.append("\t\t\t\t <param name='movie' value='" + chartSWF + "'/>\n");
strBuf.append("\t\t\t\t <param name='FlashVars' value=\"" + strFlashVars + "\" />\n");
strBuf.append("\t\t\t\t <param name='quality' value='high' />\n");
strBuf.append("\t\t\t\t <embed src='" + chartSWF + "' FlashVars=\"" + strFlashVars + "\" quality='high' width='" + chartWidth
+ "' height='" + chartHeight + "' name='" + chartId + "' allowScriptAccess='always' type='application/x-shockwave-flash' "
+ "pluginspage='http://www.macromedia.com/go/getflashplayer' />\n");
strBuf.append("\t\t</object>\n");
// END Code Block for Chart
strBuf.append("\t\t<!--END Code Block for Chart-->\n");
return strBuf.substring(0);
}
private int boolToNum(Boolean bool) {
int num = 0;
if (bool.booleanValue()) {
num = 1;
}
return num;
}
}