@Nullable
private LookupFile getClosestParent(final String typed) {
if (typed == null) return null;
LookupFile lastFound = myFinder.find(typed);
if (lastFound == null) return null;
if (lastFound.exists()) {
if (typed.charAt(typed.length() - 1) != File.separatorChar) return lastFound.getParent();
return lastFound;
}
final String[] splits = myFinder.normalize(typed).split(myFileSpitRegExp);
StringBuilder fullPath = new StringBuilder();
for (int i = 0; i < splits.length; i++) {
String each = splits[i];
fullPath.append(each);
if (i < splits.length - 1) {
fullPath.append(myFinder.getSeparator());
}
final LookupFile file = myFinder.find(fullPath.toString());
if (file == null || !file.exists()) return lastFound;
lastFound = file;
}
return lastFound;
}
public void processCompletion(final CompletionResult result) {
result.myToComplete = new ArrayList<LookupFile>();
result.mySiblings = new ArrayList<LookupFile>();
result.myKidsAfterSeparator = new ArrayList<LookupFile>();
String typed = result.myCompletionBase;
if (typed == null || typed.length() == 0) return;
addMacroPaths(result, typed);
final String typedText = myFinder.normalize(typed);
result.current = getClosestParent(typed);
result.myClosestParent = result.current;
if (result.current != null) {
result.currentParentMatch =
SystemInfo.isFileSystemCaseSensitive
? typedText.equals(result.current.getAbsolutePath())
: typedText.equalsIgnoreCase(result.current.getAbsolutePath());
result.closedPath =
typed.endsWith(myFinder.getSeparator())
&& typedText.length() > myFinder.getSeparator().length();
final String currentParentText = result.current.getAbsolutePath();
if (!typedText.toUpperCase().startsWith(currentParentText.toUpperCase())) return;
String prefix = typedText.substring(currentParentText.length());
if (prefix.startsWith(myFinder.getSeparator())) {
prefix = prefix.substring(myFinder.getSeparator().length());
} else if (typed.endsWith(myFinder.getSeparator())) {
prefix = "";
}
result.effectivePrefix = prefix.toUpperCase();
result.currentGrandparent = result.current.getParent();
if (result.currentGrandparent != null && result.currentParentMatch && !result.closedPath) {
final String currentGrandparentText = result.currentGrandparent.getAbsolutePath();
if (StringUtil.startsWithConcatenationOf(
typedText, currentGrandparentText, myFinder.getSeparator())) {
result.grandparentPrefix =
currentParentText
.substring(currentGrandparentText.length() + myFinder.getSeparator().length())
.toUpperCase();
}
}
} else {
result.effectivePrefix = typedText.toUpperCase();
}
ApplicationManager.getApplication()
.runReadAction(
new Runnable() {
public void run() {
if (result.current != null) {
result.myToComplete.addAll(
result.current.getChildren(
new LookupFilter() {
public boolean isAccepted(final LookupFile file) {
return myFilter.isAccepted(file)
&& file.getName()
.toUpperCase()
.startsWith(result.effectivePrefix);
}
}));
if (result.currentParentMatch && !result.closedPath) {
result.myKidsAfterSeparator.addAll(result.myToComplete);
}
if (result.grandparentPrefix != null) {
final List<LookupFile> siblings =
result.currentGrandparent.getChildren(
new LookupFilter() {
public boolean isAccepted(final LookupFile file) {
return !file.equals(result.current)
&& myFilter.isAccepted(file)
&& file.getName()
.toUpperCase()
.startsWith(result.grandparentPrefix);
}
});
result.myToComplete.addAll(0, siblings);
result.mySiblings.addAll(siblings);
}
}
int currentDiff = Integer.MIN_VALUE;
LookupFile toPreselect = result.myPreselected;
if (toPreselect == null || !result.myToComplete.contains(toPreselect)) {
boolean toPreselectFixed = false;
if (result.effectivePrefix.length() > 0) {
for (LookupFile each : result.myToComplete) {
String eachName = each.getName().toUpperCase();
if (!eachName.startsWith(result.effectivePrefix)) continue;
int diff = result.effectivePrefix.compareTo(eachName);
currentDiff = Math.max(diff, currentDiff);
if (currentDiff == diff) {
toPreselect = each;
toPreselectFixed = true;
break;
}
}
if (!toPreselectFixed) {
toPreselect = null;
}
} else {
toPreselect = null;
}
if (toPreselect == null) {
if (result.myToComplete.size() == 1) {
toPreselect = result.myToComplete.get(0);
} else if (result.effectivePrefix.length() == 0) {
if (result.mySiblings.size() > 0) {
toPreselect = result.mySiblings.get(0);
}
}
if (toPreselect == null
&& !result.myToComplete.contains(toPreselect)
&& result.myToComplete.size() > 0) {
toPreselect = result.myToComplete.get(0);
}
}
}
if (result.currentParentMatch && result.mySiblings.size() > 0) {
toPreselect = null;
}
result.myPreselected = toPreselect;
}
});
}