private int getTotalChildNo(PrivateMessageDecoratedBean dmb, List beanList) {
MessageForumsMessageManager messageManager =
(MessageForumsMessageManager)
ComponentManager.get(
"org.sakaiproject.api.app.messageforums.MessageForumsMessageManager");
List allChild = new ArrayList();
messageManager.getChildMsgs(dmb.getMsg().getId(), allChild);
int no = 0;
for (int i = 0; i < beanList.size(); i++) {
PrivateMessageDecoratedBean thisBean = (PrivateMessageDecoratedBean) beanList.get(i);
for (int j = 0; j < allChild.size(); j++) {
Message child = (Message) allChild.get(j);
if (thisBean.getMsg().getId().equals(child.getId())) {
no++;
break;
}
}
}
return no;
}
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
if ((context == null) || (component == null)) {
throw new NullPointerException(
Util.getExceptionMessageString(Util.NULL_PARAMETERS_ERROR_MESSAGE_ID));
}
if (log.isTraceEnabled()) {
log.trace("Begin encoding children " + component.getId());
}
if (!component.isRendered()) {
if (log.isTraceEnabled()) {
log.trace(
"No encoding necessary "
+ component.getId()
+ " since "
+ "rendered attribute is set to false ");
}
return;
}
UIData data = (UIData) component;
ValueBinding msgsBinding = component.getValueBinding("value");
List msgBeanList = (List) msgsBinding.getValue(context);
// Set up variables we will need
String columnClasses[] = getColumnClasses(data);
int columnStyle = 0;
int columnStyles = columnClasses.length;
String rowClasses[] = getRowClasses(data);
int rowStyles = rowClasses.length;
ResponseWriter writer = context.getResponseWriter();
Iterator kids = null;
Iterator grandkids = null;
// Iterate over the rows of data that are provided
int processed = 0;
int rowIndex = data.getFirst() - 1;
int rows = data.getRows();
int rowStyle = 0;
writer.startElement("tbody", component);
writer.writeText("\n", null);
int hideDivNo = 0;
while (true) {
// PrivateMessageDecoratedBean dmb = null;
// if(msgBeanList !=null && msgBeanList.size()>(rowIndex+1) &&
// rowIndex>=-1)
// {
// dmb = (PrivateMessageDecoratedBean)msgBeanList.get(rowIndex+1);
// }
// boolean hasChildBoolean = false;
// if(dmb != null)
// {
// for(int i=0; i<msgBeanList.size(); i++)
// {
// PrivateMessageDecoratedBean tempDmb =
// (PrivateMessageDecoratedBean)msgBeanList.get(i);
// if(tempDmb.getUiInReply() != null &&
// tempDmb.getUiInReply().getId().equals(dmb.getMsg().getId()))
// {
// hasChildBoolean = true;
// break;
// }
// }
// }
// Have we displayed the requested number of rows?
if ((rows > 0) && (++processed > rows)) {
break;
}
// Select the current row
data.setRowIndex(++rowIndex);
if (!data.isRowAvailable()) {
break; // Scrolled past the last row
}
PrivateMessageDecoratedBean dmb = null;
dmb = (PrivateMessageDecoratedBean) data.getRowData();
boolean hasChildBoolean = false;
if (dmb != null) {
// if dmb has depth = 0, check for children
if (dmb.getDepth() == 0) {
// first, get the index of the dmb
int index = -1;
for (int i = 0; i < msgBeanList.size(); i++) {
PrivateMessageDecoratedBean tempDmb = (PrivateMessageDecoratedBean) msgBeanList.get(i);
if (dmb.getMsg().getId().equals(tempDmb.getMsg().getId())) {
index = i;
break;
}
}
if (index < (msgBeanList.size() - 1) && index >= 0) {
PrivateMessageDecoratedBean nextDmb =
(PrivateMessageDecoratedBean) msgBeanList.get(index + 1);
if (nextDmb.getDepth() > 0) {
hasChildBoolean = true;
}
}
}
}
if (dmb != null && dmb.getDepth() > 0) {
writer.write(
"<tr style=\"display:none\" id=\"_id_"
+ new Integer(hideDivNo).toString()
+ "__hide_division_"
+ "\">");
} else {
writer.write("<tr>");
}
if (rowStyles > 0) {
writer.writeAttribute("class", rowClasses[rowStyle++], "rowClasses");
if (rowStyle >= rowStyles) {
rowStyle = 0;
}
}
writer.writeText("\n", null);
// Iterate over the child UIColumn components for each row
columnStyle = 0;
kids = getColumns(data);
while (kids.hasNext()) {
// Identify the next renderable column
UIColumn column = (UIColumn) kids.next();
// Render the beginning of this cell
writer.startElement("td", column);
if (columnStyles > 0) {
writer.writeAttribute("class", columnClasses[columnStyle++], "columnClasses");
if (columnStyle >= columnStyles) {
columnStyle = 0;
}
}
if (dmb != null && dmb.getDepth() > 0) {
if (column.getId().endsWith("_msg_subject")) {
StringBuilder indent = new StringBuilder();
int indentInt = dmb.getDepth() * 4;
for (int i = 0; i < indentInt; i++) {
indent.append(" ");
}
writer.write(indent.toString());
}
} else {
if (column.getId().endsWith("_msg_subject")) {
if (hasChildBoolean && dmb.getDepth() == 0) {
writer.write(
" <img src=\""
+ BARIMG
+ "\" style=\""
+ CURSOR
+ "\" id=\"_id_"
+ Integer.valueOf(hideDivNo).toString()
+ "__img_hide_division_\""
+ " onclick=\"");
int childNo = getTotalChildNo(dmb, msgBeanList);
String hideTr = "";
for (int i = 0; i < childNo; i++) {
hideTr +=
"javascript:showHideDiv('_id_"
+ (hideDivNo + i)
+ "', '"
+ RESOURCE_PATH
+ "');";
}
writer.write(hideTr);
writer.write("\" />");
}
}
}
// Render the contents of this cell by iterating over
// the kids of our kids
grandkids = getChildren(column);
while (grandkids.hasNext()) {
encodeRecursive(context, (UIComponent) grandkids.next());
}
// Render the ending of this cell
writer.endElement("td");
writer.writeText("\n", null);
}
// Render the ending of this row
writer.endElement("tr");
writer.writeText("\n", null);
if (dmb != null && dmb.getDepth() > 0) {
////
/*ValueBinding expandedBinding =
component.getValueBinding("expanded");
String expanded = "";
if(expandedBinding != null)
expanded = (String)expandedBinding.getValue(context);
if(expanded.equalsIgnoreCase("true"))
{*/
writer.write("<script type=\"text/javascript\">");
writer.write(" showHideDiv('_id_" + hideDivNo + "', '" + RESOURCE_PATH + "');");
writer.write("</script>");
////// }
hideDivNo++;
}
}
writer.endElement("tbody");
writer.writeText("\n", null);
// Clean up after ourselves
data.setRowIndex(-1);
if (log.isTraceEnabled()) {
log.trace("End encoding children " + component.getId());
}
}