/** {@inheritDoc} */
public boolean render(Context context, Object focus) {
PrintWriter response = context.getResponseWriter();
// included?
if (!isIncluded(context, focus)) return false;
// read only?
boolean readOnly = false;
if (this.readOnly != null) {
readOnly = this.readOnly.decide(context, focus);
}
// read only collapsed?
boolean readOnlyCollapsed = false;
if (this.readOnlyCollapsed != null) {
readOnlyCollapsed = this.readOnlyCollapsed.decide(context, focus);
if (readOnlyCollapsed) readOnly = true;
}
// single select?
boolean single = true;
if (this.singleSelectDecision != null) {
single = this.singleSelectDecision.decide(context, focus);
}
// alert if empty at submit?
boolean onEmptyAlert = false;
if (this.onEmptyAlertMsg != null) {
onEmptyAlert = true;
if (this.onEmptyAlertDecision != null) {
onEmptyAlert = this.onEmptyAlertDecision.decide(context, focus);
}
}
// find values and display text
List<String> values = new ArrayList<String>();
if (!this.selectionValues.isEmpty()) {
for (Message msg : this.selectionValues) {
if (msg != null) {
values.add(msg.getMessage(context, focus));
} else {
values.add("");
}
}
}
List<String> display = new ArrayList<String>();
if (!this.selectionMessages.isEmpty()) {
for (Message msg : this.selectionMessages) {
if (msg != null) {
display.add(msg.getMessage(context, focus));
} else {
display.add("");
}
}
}
if (this.noprintflag) response.println("<div class=\"noprint\">");
// add in any from the model
boolean fromModel = false;
if ((this.selectionValueMessage != null)
&& (this.selectionDisplayMessage != null)
&& (this.selectionReference != null)) {
// get the main collection
Collection collection = null;
Object obj = this.selectionReference.readObject(context, focus);
if (obj != null) {
if (obj instanceof Collection) {
collection = (Collection) obj;
} else if (obj.getClass().isArray()) {
Object[] array = (Object[]) obj;
collection = new ArrayList(array.length);
for (Object o : array) {
collection.add(o);
}
}
}
// if we got something
if (collection != null) {
// like iteration, make each object available then get the value and display
int index = -1;
for (Object o : collection) {
index++;
// place the item
if (this.iteratorName != null) {
context.put(
this.iteratorName, o, this.selectionReference.getEncoding(context, o, index));
}
values.add(this.selectionValueMessage.getMessage(context, o));
display.add(this.selectionDisplayMessage.getMessage(context, o));
fromModel = true;
// remove item
if (this.iteratorName != null) {
context.remove(this.iteratorName);
}
}
}
}
// read the current value(s)
Set<String> value = new HashSet<String>();
if (this.propertyReference != null) {
Object obj = this.propertyReference.readObject(context, focus);
if (obj != null) {
// any sort of collection
if (obj instanceof Collection) {
for (Object o : ((Collection) obj)) {
value.add(o.toString());
}
}
// any sort of array
if (obj.getClass().isArray()) {
for (Object o : ((Object[]) obj)) {
value.add(o.toString());
}
}
// otherwise take it as a string
else {
value.add(obj.toString());
}
}
}
if (this.orientation == Orientation.dropdown) {
renderDropdown(context, focus, readOnly, single, values, display, value);
return true;
}
// generate some ids
int idRoot = context.getUniqueId();
String id = getId();
if (id == null) id = this.getClass().getSimpleName() + "_" + idRoot;
String decodeId = "decode_" + idRoot;
String dependencyId = id + "_dependencies";
// read the "correct" value
String correctValue = null;
boolean includeCorrectMarkers = false;
if ((this.correctReference != null)
&& ((this.correctDecision == null) || (this.correctDecision.decide(context, focus)))) {
correctValue = this.correctReference.read(context, focus);
if (correctValue != null) {
includeCorrectMarkers = true;
}
}
if (onEmptyAlert) {
// this will become visible if a submit happens and the validation fails
response.println(
"<div class=\"ambrosiaAlert\" style=\"display:none\" id=\"alert_"
+ id
+ "\">"
+ this.onEmptyAlertMsg.getMessage(context, focus)
+ "</div>");
}
boolean includeSelectAll = this.selectAll && (!single);
// title if we are doing select all
if (includeSelectAll) {
response.print(
"<input type=\"checkbox\" id=\"all_"
+ id
+ "\""
+ " onclick=\"ambrosiaSelectGroup(this, ids_"
+ id
+ ");\""
+ " />");
if (this.titleMessage != null) {
response.print("<label for=\"all_" + id + "\">");
response.print(this.titleMessage.getMessage(context, focus));
response.println("</label><br /><br />");
}
}
// title otherwise
else if (this.titleMessage != null) {
response.print("<div class=\"ambrosiaComponentTitle\">");
response.print(this.titleMessage.getMessage(context, focus));
response.println("</div>");
}
// for a single option (unless we are using values from the model, even just one)
if ((values.size() == 1) && !fromModel) {
final StringBuffer dependency = new StringBuffer();
dependency.append("var " + dependencyId + "=[");
String startingValue = null;
boolean needDependencies = false;
String onclick = "";
boolean hasContained = false;
for (ContainerRef cr : this.selectionContainers) {
if ((cr.container != null) && (!cr.container.getContained().isEmpty())) {
hasContained = true;
break;
}
}
if (this.submitDestination != null) {
onclick = "onclick=\"";
if (hasContained) {
// onclick += "ambrosiaSelectDependencies(this.value, " + dependencyId + ");";
onclick +=
"ambrosiaSelectDependencies(document.getElementById(\'"
+ id
+ "\').checked, "
+ dependencyId
+ ");";
}
String destination = this.submitDestination.getDestination(context, focus);
onclick += "ambrosiaSubmit('" + destination + "')\" ";
} else if (this.submitValue) {
onclick = "onclick=\"";
if (hasContained) {
// onclick += "ambrosiaSelectDependencies(this.value, " + dependencyId + ");";
onclick +=
"ambrosiaSelectDependencies(document.getElementById(\'"
+ id
+ "\').checked, "
+ dependencyId
+ ");";
}
onclick += "ambrosiaSubmit(this.value)\" ";
} else if (hasContained) {
// onclick = "onclick=\"ambrosiaSelectDependencies(this.value, " + dependencyId + ")\" ";
onclick =
"onclick=\"ambrosiaSelectDependencies(document.getElementById(\'"
+ id
+ "\').checked, "
+ dependencyId
+ ")\" ";
}
/*
* if (this.submitDestination != null) { String destination = this.submitDestination.getDestination(context, focus); onclick = "onclick=\"ambrosiaSubmit('" + destination + "')\" "; } else if (this.submitValue) { onclick =
* "onclick=\"ambrosiaSubmit(this.value)\" "; }
*/
// convert to boolean
boolean checked = value.contains("true");
// if we are doing correct marking
if (includeCorrectMarkers) {
// if checked, mark as correct or not
if (checked) {
// is the value correct?
boolean correct =
(correctValue == null) ? false : Boolean.parseBoolean(correctValue) == checked;
if (correct) {
response.print(
"<img src=\""
+ context.getUrl(this.correctIcon)
+ "\" style=\"border-style: none;\" alt=\""
+ this.correctMessage.getMessage(context, focus)
+ "\" title=\""
+ this.correctMessage.getMessage(context, focus)
+ "\"/>");
} else {
response.print(
"<img src=\""
+ context.getUrl(this.incorrectIcon)
+ "\" style=\"border-style: none;\" alt=\""
+ this.incorrectMessage.getMessage(context, focus)
+ "\" title=\""
+ this.incorrectMessage.getMessage(context, focus)
+ "\"/>");
}
}
// else leave a placeholder
else {
response.println("<div style=\"float:left;width:16px\"> </div>");
}
}
// the check box
response.println(
"<input "
+ onclick
+ "type=\"checkbox\" name=\""
+ id
+ "\" id=\""
+ id
+ "\" value=\""
+ values.get(0)
+ "\" "
+ (checked ? "CHECKED" : "")
+ (readOnly ? " disabled=\"disabled\"" : "")
+ " />");
context.editComponentRendered(id);
// the decode directive
if ((this.propertyReference != null) && (!readOnly)) {
response.println(
"<input type=\"hidden\" name=\""
+ decodeId
+ "\" value =\""
+ id
+ "\" />"
+ "<input type=\"hidden\" name=\""
+ "prop_"
+ decodeId
+ "\" value=\""
+ this.propertyReference.getFullReference(context)
+ "\" />"
+ "<input type=\"hidden\" name=\""
+ "null_"
+ decodeId
+ "\" value=\""
+ this.notSelectedValue
+ "\" />");
}
// title after (right) for the single check box version
if ((display.size() > 0) && (display.get(0) != null)) {
response.print("<label for=\"" + id + "\">");
response.print(display.get(0));
response.println("</label>");
}
String fragment = "";
String val = null;
ContainerRef containerRef = this.selectionContainers.get(0);
// container of dependent components
if ((containerRef != null)
&& (containerRef.container != null)
&& (!containerRef.container.getContained().isEmpty())) {
needDependencies = true;
val = values.get(0);
dependency.append("[\"" + val + "\",");
// dependency.append(Boolean.toString(true) + ",");
dependency.append(Boolean.toString(containerRef.reversed) + ",");
RenderListener listener =
new RenderListener() {
public void componentRendered(String id) {
dependency.append("\"" + id + "\",");
}
};
// listen for any dependent edit components being rendered
context.addEditComponentRenderListener(listener);
// ContainerRef containerRef = this.selectionContainers.get(0);
if (containerRef.separate) {
context.setCollecting();
response = context.getResponseWriter();
}
// render the dependent components
for (Component c : containerRef.container.getContained()) {
if (containerRef.separate) {
if (containerRef.indented) {
response.println("<div class=\"ambrosiaContainerComponentIndented\">");
} else {
response.println("<div class=\"ambrosiaContainerComponent\">");
}
}
c.render(context, focus);
if (containerRef.separate) response.println("</div>");
}
if (containerRef.separate) {
fragment += context.getCollected();
response = context.getResponseWriter();
}
// stop listening
context.removeEditComponentRenderListener(listener);
dependency.setLength(dependency.length() - 1);
dependency.append("],");
}
/*
* boolean selected = value.contains(val);
*
* if (selected) { startingValue = val; }
*/
if (needDependencies) {
dependency.setLength(dependency.length() - 1);
dependency.append("];\n");
context.addScript(dependency.toString());
// if read only, skip the initial setting
if (!readOnly) {
startingValue = String.valueOf(checked);
// context.addScript("ambrosiaSelectDependencies(\"" + startingValue + "\", " +
// dependencyId + ");\n");
context.addScript(
"ambrosiaSelectDependencies(document.getElementById(\'"
+ id
+ "\').checked, "
+ dependencyId
+ ");\n");
// context.addScript("ambrosiaSelectDependencies(document.getElementById(" + id +
// ").value, " + dependencyId + ");\n");
}
}
// the decode directive
/*
* if ((this.propertyReference != null) && (!readOnly)) { response.println("<input type=\"hidden\" name=\"" + decodeId + "\" value =\"" + id + "\" />" + "<input type=\"hidden\" name=\"" + "prop_" + decodeId + "\" value=\"" +
* this.propertyReference.getFullReference(context) + "\" />"); }
*/
// for onEmptyAlert, add some client-side validation
if ((onEmptyAlert) && (!readOnly) && single) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < values.size(); i++) {
buf.append(
"!document.getElementById('" + id + "_" + Integer.toString(i) + "').checked &&");
}
buf.setLength(buf.length() - 3);
context.addValidation(
" if ("
+ buf.toString()
+ ")\n"
+ " {\n"
+ " if (document.getElementById('alert_"
+ id
+ "').style.display == \"none\")\n"
+ " {\n"
+ " document.getElementById('alert_"
+ id
+ "').style.display = \"\";\n"
+ " rv=false;\n"
+ " }\n"
+ " }\n");
}
if (fragment.length() > 0) {
response.print(fragment);
}
} else {
final StringBuffer dependency = new StringBuffer();
dependency.append("var " + dependencyId + "=[");
String startingValue = null;
boolean needDependencies = false;
String onclick = "";
boolean hasContained = false;
for (ContainerRef cr : this.selectionContainers) {
if ((cr.container != null) && (!cr.container.getContained().isEmpty())) {
hasContained = true;
break;
}
}
if (this.submitDestination != null) {
onclick = "onclick=\"";
if (hasContained) {
onclick += "ambrosiaSelectDependencies(this.value, " + dependencyId + ");";
}
String destination = this.submitDestination.getDestination(context, focus);
onclick += "ambrosiaSubmit('" + destination + "')\" ";
} else if (this.submitValue) {
onclick = "onclick=\"";
if (hasContained) {
onclick += "ambrosiaSelectDependencies(this.value, " + dependencyId + ");";
}
onclick += "ambrosiaSubmit(this.value)\" ";
} else if (hasContained) {
onclick = "onclick=\"ambrosiaSelectDependencies(this.value, " + dependencyId + ")\" ";
} else if (includeSelectAll) {
onclick = "onclick=\"ambrosiaSelectChange(this, ids_" + id + ", 'all_" + id + "');\" ";
}
// collect the rendered ids
List<String> ids = new ArrayList<String>();
// collected dependent components marked separate
String fragment = "";
for (int i = 0; i < values.size(); i++) {
String val = values.get(i);
String message = "";
if (i < display.size()) {
message = display.get(i);
}
ContainerRef containerRef = null;
if (i < this.selectionContainers.size()) {
containerRef = this.selectionContainers.get(i);
}
boolean selected = value.contains(val);
if ((!selected) && readOnlyCollapsed) continue;
if (selected) {
startingValue = val;
}
// if we are doing correct marking
if (includeCorrectMarkers) {
// if checked, mark as correct or not
if (selected) {
// is this one the correct one?
boolean correct = (correctValue == null) ? false : correctValue.equals(val);
if (correct) {
response.print(
"<img src=\""
+ context.getUrl(this.correctIcon)
+ "\" style=\"border-style: none;\" alt=\""
+ this.correctMessage.getMessage(context, focus)
+ "\" title=\""
+ this.correctMessage.getMessage(context, focus)
+ "\"/>");
} else {
response.print(
"<img src=\""
+ context.getUrl(this.incorrectIcon)
+ "\" style=\"border-style: none;\" alt=\""
+ this.incorrectMessage.getMessage(context, focus)
+ "\" title=\""
+ this.incorrectMessage.getMessage(context, focus)
+ "\"/>");
}
}
// else leave a placeholder
else {
response.println("<div style=\"float:left;width:16px\"> </div>");
}
}
// use a radio for single select
String thisId = id + "_" + i;
if (single) {
// the radio button
response.println(
"<input "
+ onclick
+ "type=\"radio\" name=\""
+ id
+ "\" id=\""
+ thisId
+ "\" value=\""
+ val
+ "\" "
+ (selected ? "CHECKED" : "")
+ (readOnly ? " disabled=\"disabled\"" : "")
+ " />");
}
// for multiple selection, use a checkbox set
else {
response.println(
"<input "
+ onclick
+ "type=\"checkbox\" name=\""
+ id
+ "\" id=\""
+ thisId
+ "\" value=\""
+ val
+ "\" "
+ (selected ? "CHECKED" : "")
+ (readOnly ? " disabled=\"disabled\"" : "")
+ " />");
}
ids.add(thisId);
// message
response.print("<label for=\"" + thisId + "\">");
response.print(message);
response.println("</label>");
// container of dependent components
if ((containerRef != null)
&& (containerRef.container != null)
&& (!containerRef.container.getContained().isEmpty())) {
needDependencies = true;
dependency.append("[\"" + val + "\",");
dependency.append(Boolean.toString(containerRef.reversed) + ",");
RenderListener listener =
new RenderListener() {
public void componentRendered(String id) {
dependency.append("\"" + id + "\",");
}
};
// listen for any dependent edit components being rendered
context.addEditComponentRenderListener(listener);
if (containerRef.separate) {
context.setCollecting();
response = context.getResponseWriter();
}
// render the dependent components
for (Component c : containerRef.container.getContained()) {
if (containerRef.separate) {
if (containerRef.indented) {
response.println("<div class=\"ambrosiaContainerComponentIndented\">");
} else {
response.println("<div class=\"ambrosiaContainerComponent\">");
}
}
c.render(context, focus);
if (containerRef.separate) response.println("</div>");
}
if (containerRef.separate) {
fragment += context.getCollected();
response = context.getResponseWriter();
}
// stop listening
context.removeEditComponentRenderListener(listener);
dependency.setLength(dependency.length() - 1);
dependency.append("],");
}
if (this.orientation == Orientation.vertical) {
response.println("<br />");
}
}
// register the ids in reverse order
// Note: reverse order so that the first choice gets processed last, as in when this is a
// dependent component to another selection
Collections.reverse(ids);
for (String thisId : ids) {
context.editComponentRendered(thisId);
}
// record the group of checkbox element ids
if (includeSelectAll) {
StringBuilder buf = new StringBuilder();
buf.append("var ids_" + id + "=[");
for (String oneId : ids) {
buf.append("\"" + oneId + "\",");
}
buf.setLength(buf.length() - 1);
buf.append("];\n");
context.addScript(buf.toString());
}
if (needDependencies) {
dependency.setLength(dependency.length() - 1);
dependency.append("];\n");
context.addScript(dependency.toString());
// if read only, skip the initial setting
if (!readOnly) {
context.addScript(
"ambrosiaSelectDependencies(\"" + startingValue + "\", " + dependencyId + ");\n");
}
}
// the decode directive
if ((this.propertyReference != null) && (!readOnly)) {
response.println(
"<input type=\"hidden\" name=\""
+ decodeId
+ "\" value =\""
+ id
+ "\" />"
+ "<input type=\"hidden\" name=\""
+ "prop_"
+ decodeId
+ "\" value=\""
+ this.propertyReference.getFullReference(context)
+ "\" />");
}
// for onEmptyAlert, add some client-side validation
if ((onEmptyAlert) && (!readOnly) && single) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < values.size(); i++) {
buf.append(
"!document.getElementById('" + id + "_" + Integer.toString(i) + "').checked &&");
}
buf.setLength(buf.length() - 3);
context.addValidation(
" if ("
+ buf.toString()
+ ")\n"
+ " {\n"
+ " if (document.getElementById('alert_"
+ id
+ "').style.display == \"none\")\n"
+ " {\n"
+ " document.getElementById('alert_"
+ id
+ "').style.display = \"\";\n"
+ " rv=false;\n"
+ " }\n"
+ " }\n");
}
if (fragment.length() > 0) {
response.print(fragment);
}
}
if (this.noprintflag) response.println("</div>");
return true;
}
/** {@inheritDoc} */
protected void renderDropdown(
Context context,
Object focus,
boolean readOnly,
boolean single,
List<String> values,
List<String> display,
Set<String> value) {
// generate some ids
int idRoot = context.getUniqueId();
String id = this.getClass().getSimpleName() + "_" + idRoot;
String decodeId = "decode_" + idRoot;
PrintWriter response = context.getResponseWriter();
// Note: correct / incorrect markings not supported for dropdown
// title
if (this.titleMessage != null) {
response.print("<label class=\"ambrosiaComponentTitle\" for=\"" + id + "\">");
response.print(this.titleMessage.getMessage(context, focus));
response.println("</label>");
}
String onchange = "";
if (this.submitDestination != null) {
String destination = this.submitDestination.getDestination(context, focus);
onchange = " onchange=\"ambrosiaSubmit('" + destination + "');\" ";
} else if (this.submitValue) {
onchange = " onchange=\"ambrosiaSubmit(this.value);\" ";
}
response.println(
"<select size=\""
+ Integer.toString(this.height)
+ "\" "
+ (single ? "" : "multiple ")
+ "name=\""
+ id
+ "\" id=\""
+ id
+ "\""
+ (readOnly ? " disabled=\"disabled\"" : "")
+ onchange
+ ">");
// TODO: must have selection values
// TODO: selectionContainers not supported
for (int i = 0; i < values.size(); i++) {
String val = values.get(i);
String message = "";
if (i < display.size()) {
message = display.get(i);
}
boolean selected = value.contains(val);
// the option
response.println(
"<option "
+ "value=\""
+ val
+ "\" "
+ (selected ? "selected=\"selected\"" : "")
+ ">"
+ message
+ "</option>");
}
response.println("</select>");
// the decode directive
if ((this.propertyReference != null) && (!readOnly)) {
response.println(
"<input type=\"hidden\" name=\""
+ decodeId
+ "\" value =\""
+ id
+ "\" />"
+ "<input type=\"hidden\" name=\""
+ "prop_"
+ decodeId
+ "\" value=\""
+ this.propertyReference.getFullReference(context)
+ "\" />");
}
}