private String getOnclick(ExportConf exportConf) {
String oTableId = "oTable_" + table.getId();
StringBuilder params = new StringBuilder();
StringBuilder exportFuncName = new StringBuilder("ddl_dt_launch_export_");
exportFuncName.append(table.getId());
exportFuncName.append("_");
exportFuncName.append(exportConf.getFormat());
StringBuilder exportFunc = new StringBuilder("function ");
exportFunc.append(exportFuncName.toString());
exportFunc.append("(){");
params.append(oTableId).append(".ajax.params()");
// HTTP GET
if (exportConf.getMethod().equals(HttpMethod.GET)) {
exportFunc.append("window.location=\"").append(exportConf.getUrl());
if (exportConf.getUrl().contains("?")) {
exportFunc.append("&");
} else {
exportFunc.append("?");
}
// Parameters should be decoded because jQuery.param() uses
// .serialize() which encodes the URL
exportFunc
.append("\" + decodeURIComponent($.param(")
.append(params.toString())
.append(")).replace(/\\+/g,' ');");
}
// HTTP POST/PUT/DELETE
else {
exportFunc
.append("$.download('")
.append(exportConf.getUrl())
.append("', decodeURIComponent($.param(")
.append(params.toString())
.append(")).replace(/\\+/g,' '),'")
.append(exportConf.getMethod())
.append("');");
}
exportFunc.append("}");
appendToBeforeAll(exportFunc.toString());
return exportFuncName.append("();").toString();
}
@Override
public void setup(HtmlTable table) {
this.table = table;
// If the export has been configured to be triggered with a POST, PUT or
// DELETE HTTP method, a custom plugin must be added to the page
for (ExportConf exportConf : table.getTableConfiguration().getExportConfiguration().values()) {
if (exportConf.getMethod().equals(HttpMethod.POST)
|| exportConf.getMethod().equals(HttpMethod.PUT)
|| exportConf.getMethod().equals(HttpMethod.DELETE)) {
addBundle(DatatableBundles.JQUERY_DOWNLOAD);
}
}
String exportContainerStyle =
DatatableOptions.EXPORT_CONTAINER_STYLE.valueFrom(table.getTableConfiguration());
String exportContainerClass =
DatatableOptions.EXPORT_CONTAINER_CLASS.valueFrom(table.getTableConfiguration());
// In order to be easily positioned around the table, a DataTable
// feature is created
ExtraHtml extraHtml = new ExtraHtml();
extraHtml.setUid("E");
extraHtml.setContainer("div");
extraHtml.setCssClass(
"dataTables_export "
+ (StringUtils.isNotBlank(exportContainerClass) ? exportContainerClass : ""));
extraHtml.setCssStyle(
StringUtils.isNotBlank(exportContainerStyle) ? exportContainerStyle : "float: right;");
String dom = DatatableOptions.FEATURE_DOM.valueFrom(table.getTableConfiguration());
if (table.getTableConfiguration().getConfigurations().containsKey(DatatableOptions.CSS_THEME)
&& table
.getTableConfiguration()
.getConfigurations()
.get(DatatableOptions.CSS_THEME)
.getClass()
.getSimpleName()
.equals("JQueryUITheme")) {
addParameter(
DTConstants.DT_DOM,
"<'" + TOOLBAR_PREXIX + "-tr'lEfr>t<'" + TOOLBAR_PREXIX + "-br'ip>",
Mode.OVERRIDE);
} else if (StringUtils.isBlank(dom)) {
addParameter(DTConstants.DT_DOM, "lEfrtip", Mode.OVERRIDE);
}
StringBuilder content = new StringBuilder();
HtmlHyperlink link = null;
// A HTML link is generated for each ExportConf bean
for (ExportConf conf : table.getTableConfiguration().getExportConfiguration().values()) {
link = new HtmlHyperlink();
if (conf.getCssClass() != null) {
link.setCssClass(conf.getCssClass());
}
if (conf.getCssStyle() != null) {
link.setCssStyle(conf.getCssStyle());
link.addCssStyle(";margin-left:2px;");
} else {
link.addCssStyle("margin-left:2px;");
}
if (conf.hasCustomUrl()) {
link.setOnclick(getOnclick(conf));
} else {
link.setHref(conf.getUrl());
}
link.addContent(conf.getLabel());
content.append(link.toHtml());
}
extraHtml.setContent(content.toString());
// Once created, the extraHtml is transformed into Javascript and
// appended in the DataTables configuration
appendToAfterStartDocumentReady(extraHtml.getJavascript().toString());
}