/**
* The URL query string of of the next page.
*
* <p>Note: the query string does not start with a "?" or "&" those need to be added as
* appropriate by the caller.
*/
private String getNextPageURL(BrowseParams params, BrowseInfo info)
throws SQLException, UIException {
// Don't create a next page link if this is the last page
if (info.isLast()) return null;
Map<String, String> parameters = new HashMap<String, String>();
parameters.putAll(params.getCommonParameters());
parameters.putAll(params.getControlParameters());
if (info.hasNextPage()) {
if (info.getNextItem() < 0)
parameters.put(BrowseParams.JUMPTO_VALUE, URLEncode(info.getNextValue()));
else parameters.put(BrowseParams.JUMPTO_ITEM, Integer.toString(info.getNextItem()));
}
return super.generateURL(BROWSE_URL_BASE, parameters);
}
/**
* Makes the jump-list navigation for the results
*
* @param div
* @param info
* @param params
* @throws WingException
*/
private void addBrowseJumpNavigation(Division div, BrowseInfo info, BrowseParams params)
throws WingException {
// Get the name of the index
String type = info.getBrowseIndex().getName();
// Prepare a Map of query parameters required for all links
Map<String, String> queryParams = new HashMap<String, String>();
queryParams.putAll(params.getCommonParameters());
queryParams.putAll(params.getControlParameters());
// Navigation aid (really this is a poor version of pagination)
Division jump =
div.addInteractiveDivision(
"browse-navigation", BROWSE_URL_BASE, Division.METHOD_POST, "secondary navigation");
// Add all the query parameters as hidden fields on the form
for (String key : queryParams.keySet()) jump.addHidden(key).setValue(queryParams.get(key));
// If this is a date based browse, render the date navigation
if (isSortedByDate(info)) {
Para jumpForm = jump.addPara();
// Create a select list to choose a month
jumpForm.addContent(T_jump_select);
Select month = jumpForm.addSelect(BrowseParams.MONTH);
month.addOption(false, "-1", T_choose_month);
for (int i = 1; i <= 12; i++) {
month.addOption(false, String.valueOf(i), DCDate.getMonthName(i, Locale.getDefault()));
}
// Create a select list to choose a year
Select year = jumpForm.addSelect(BrowseParams.YEAR);
year.addOption(false, "-1", T_choose_year);
int currentYear = DCDate.getCurrent().getYear();
int i = currentYear;
// Calculate where to move from 1, 5 to 10 year jumps
int oneYearBreak = ((currentYear - ONE_YEAR_LIMIT) / 5) * 5;
int fiveYearBreak = ((currentYear - FIVE_YEAR_LIMIT) / 10) * 10;
int tenYearBreak = (currentYear - TEN_YEAR_LIMIT);
do {
year.addOption(false, String.valueOf(i), String.valueOf(i));
if (i <= fiveYearBreak) i -= 10;
else if (i <= oneYearBreak) i -= 5;
else i--;
} while (i > tenYearBreak);
// Create a free text entry box for the year
jumpForm = jump.addPara();
jumpForm.addContent(T_jump_year);
jumpForm.addText("start_with").setHelp(T_jump_year_help);
jumpForm.addButton("submit").setValue(T_go);
} else {
// Create a clickable list of the alphabet
List jumpList = jump.addList("jump-list", List.TYPE_SIMPLE, "alphabet");
for (char c = 'A'; c <= 'Z'; c++) {
Map<String, String> cQuery = new HashMap<String, String>(queryParams);
cQuery.put(BrowseParams.STARTS_WITH, Character.toString(c));
jumpList.addItemXref(super.generateURL(BROWSE_URL_BASE, cQuery), Character.toString(c));
}
// Create a free text field for the initial characters
Para jumpForm = jump.addPara();
jumpForm.addContent(T_starts_with);
jumpForm.addText(BrowseParams.STARTS_WITH).setHelp(T_starts_with_help);
jumpForm.addButton("submit").setValue(T_go);
}
}