/**
* Creates a XHTML element that refers the video identified by the specified URL.
*
* @param videoURL the URL of the video to display.
* @return the XHTML element that displays the video.
*/
private Element createVideoLink(final String videoURL, final Map<String, String> parameters) {
a videoElement = new a();
String width =
(parameters.containsKey(PARAMETER_WIDTH) ? parameters.get(PARAMETER_WIDTH) : DEFAULT_WIDTH);
String height =
(parameters.containsKey(PARAMETER_HEIGHT)
? parameters.get(PARAMETER_HEIGHT)
: DEFAULT_HEIGHT);
videoElement.setStyle("display:block;width:" + width + "px;height:" + height + "px;");
String videoId = VIDEO_PLAYER_ID + videoURL.hashCode();
videoElement.setHref(videoURL).setID(videoId);
return videoElement;
}
/**
* Displays the form part corresponding to the video input. The form input is a way to change or
* to remove the video file if this one exists.
*
* @param attachmentId the identifier of the attached file containing the video to display.
* @param template the template of the field to which is mapped the video.
* @param pagesContext the context of the displaying page.
*/
private void displayVideoFormInput(
final String attachmentId,
final FieldTemplate template,
final ElementContainer xhtmlContainer,
final PagesContext pagesContext) {
String fieldName = template.getFieldName();
String language = pagesContext.getLanguage();
String deletionIcon = Util.getIcon("delete");
String deletionLab = Util.getString("removeFile", language);
String videoURL = computeVideoURL(attachmentId, pagesContext);
Operation defaultOperation = Operation.ADD;
if (!videoURL.isEmpty()) {
defaultOperation = Operation.UPDATE;
Map<String, String> parameters = template.getParameters(pagesContext.getLanguage());
parameters.remove(PARAMETER_WIDTH);
parameters.remove(PARAMETER_HEIGHT);
// a link to the video
Element videoLink = createVideoLink(videoURL, parameters);
// a link to the deletion operation
img deletionImage = new img();
deletionImage
.setAlt(deletionLab)
.setSrc(deletionIcon)
.setWidth(15)
.setHeight(15)
.setAlt(deletionLab)
.setTitle(deletionLab);
a removeLink = new a();
removeLink
.setHref("#")
.addElement(deletionImage)
.setOnClick(
"javascript: document.getElementById('"
+ fieldName
+ "Video').style.display='none'; document."
+ pagesContext.getFormName()
+ "."
+ fieldName
+ OPERATION_KEY
+ ".value='"
+ Operation.DELETION.name()
+ "';");
div videoDiv = new div();
videoDiv.setID(fieldName + "Video");
videoDiv.setClass("video");
videoDiv.addElement(videoLink);
videoDiv.addElement(" ");
videoDiv.addElement(removeLink);
xhtmlContainer.addElement(videoDiv);
}
// the input from which a video file can be selected
input fileInput = new input();
fileInput.setID(fieldName);
fileInput.setType("file");
fileInput.setSize(50);
fileInput.setName(fieldName);
input attachmentInput = new input();
attachmentInput
.setType("hidden")
.setName(fieldName + Field.FILE_PARAM_NAME_SUFFIX)
.setValue(attachmentId)
.setID(fieldName + Field.FILE_PARAM_NAME_SUFFIX);
input operationInput = new input();
operationInput
.setType("hidden")
.setName(fieldName + OPERATION_KEY)
.setValue(defaultOperation.name())
.setID(fieldName + OPERATION_KEY);
div selectionDiv = new div();
selectionDiv.setID(fieldName + "Selection");
selectionDiv.addElement(fileInput);
selectionDiv.addElement(attachmentInput);
selectionDiv.addElement(operationInput);
if (template.isMandatory() && pagesContext.useMandatory()) {
selectionDiv.addElement(Util.getMandatorySnippet());
}
xhtmlContainer.addElement(selectionDiv);
Element player =
createVideoPlayer(videoURL, template.getParameters(pagesContext.getLanguage()));
xhtmlContainer.addElement(player);
}