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/**
* Copyright (c) 2011-2013, kidzhou 周磊 ([email protected])
*
* 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("\n");
strBuf.append("\t\t
\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
\n");
/*
* Now, we render the chart using FusionCharts Class. Each chart's instance (JavaScript) Id is named as chart_"chartId".
*/
strBuf.append("\t\t\n");
strBuf.append("\t\t\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\n");
strBuf.append("\t\t\t\t\n");
// END Code Block for Chart
strBuf.append("\t\t\n");
return strBuf.substring(0);
}
private int boolToNum(Boolean bool) {
int num = 0;
if (bool.booleanValue()) {
num = 1;
}
return num;
}
}
