private void populateConfigurations() {
IProject prj = getProject();
// Do nothing in case of Preferences page.
if (prj == null) return;
// Do not re-read if list already created by another page
if (cfgDescs == null) {
ICProjectDescription pDesc = CDTPropertyManager.getProjectDescription(this, prj);
cfgDescs = (pDesc == null) ? null : pDesc.getConfigurations();
if (cfgDescs == null || cfgDescs.length == 0) return;
Arrays.sort(cfgDescs, CDTListComparator.getInstance());
} else {
if (cfgDescs.length == 0) return;
// just register in CDTPropertyManager;
CDTPropertyManager.getProjectDescription(this, prj);
}
// Do nothing if widget not created yet.
if (configSelector == null) {
lastSelectedCfg = cfgDescs[getActiveCfgIndex()];
cfgChanged(lastSelectedCfg);
return;
}
// Clear and replace the contents of the selector widget
configSelector.removeAll();
for (int i = 0; i < cfgDescs.length; ++i) {
String name = cfgDescs[i].getName();
if (cfgDescs[i].isActive()) {
name = name + " " + Messages.AbstractPage_16; // $NON-NLS-1$
}
configSelector.add(name);
}
// Ensure that the last selected config is selected by default
int cfgIndex = getCfgIndex(lastSelectedCfg);
// "All cfgs" - shown if at least 2 cfgs available
if (cfgDescs.length > 1) {
configSelector.add(Messages.AbstractPage_4);
if (multiCfgs == cfgDescs) {
cfgIndex = cfgDescs.length;
}
}
// "Multi cfgs" - shown if at least 3 cfgs available
if (cfgDescs.length > 2) {
configSelector.add(Messages.AbstractPage_5);
if (multiCfgs != null && multiCfgs != cfgDescs) {
cfgIndex = cfgDescs.length + 1;
}
}
if (cfgIndex < 0) {
cfgIndex = getActiveCfgIndex();
}
configSelector.select(cfgIndex);
handleConfigSelection();
}
/*
* Event Handlers
*/
private void handleConfigSelection() {
// If there is nothing in config selection widget just bail
if (configSelector.getItemCount() == 0) return;
int selectionIndex = configSelector.getSelectionIndex();
if (selectionIndex == -1) return;
if (cfgDescs == null || cfgDescs.length == 0) return;
// Check if the user has selected the "all / multiple" configuration
if (selectionIndex >= cfgDescs.length) {
if (selectionIndex == cfgDescs.length) { // all
multiCfgs = cfgDescs;
} else { // multiple
// Check previous state of variables figuring out if need to pop up selection dialog
// areCfgsStillThere() covers deletions by a user in Manage Configurations dialog
boolean enterMultiCfgsDialog =
(multiCfgs == null) || (multiCfgs == cfgDescs) || !areCfgsStillThere(multiCfgs);
if (enterMultiCfgsDialog) {
ICConfigurationDescription[] mcfgs =
ConfigMultiSelectionDialog.select(cfgDescs, parentComposite.getShell());
if (mcfgs == null || mcfgs.length == 0) {
// return back to previous selection
int cfgIndex = -1;
if (multiCfgs == cfgDescs) { // return to choice "All"
cfgIndex = cfgDescs.length;
} else {
cfgIndex = getCfgIndex(lastSelectedCfg);
}
configSelector.select(cfgIndex);
return;
}
multiCfgs = mcfgs;
}
}
lastSelectedCfg = null;
cfgChanged(MultiItemsHolder.createCDescription(multiCfgs));
return;
}
multiCfgs = null;
String id1 = getResDesc() == null ? null : getResDesc().getId();
lastSelectedCfg = cfgDescs[selectionIndex];
String id2 = lastSelectedCfg.getId();
if (id2 != null && !id2.equals(id1)) {
cfgChanged(lastSelectedCfg);
}
}
