private boolean paintPlaceholderText(Graphics2D g) {
CharSequence hintText = myEditor.getPlaceholder();
EditorComponentImpl editorComponent = myEditor.getContentComponent();
if (myDocument.getTextLength() > 0
|| hintText == null
|| hintText.length() == 0
|| KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() == editorComponent
&& !myEditor.getShowPlaceholderWhenFocused()) {
return false;
}
hintText =
SwingUtilities.layoutCompoundLabel(
g.getFontMetrics(),
hintText.toString(),
null,
0,
0,
0,
0,
editorComponent.getBounds(),
new Rectangle(),
new Rectangle(),
0);
g.setColor(myEditor.getFoldingModel().getPlaceholderAttributes().getForegroundColor());
g.setFont(myEditor.getColorsScheme().getFont(EditorFontType.PLAIN));
g.drawString(hintText.toString(), 0, myView.getAscent());
return true;
}
public boolean executeFilter(@NotNull Editor editor, @NotNull TextRange range, String command)
throws IOException {
if (logger.isDebugEnabled()) logger.debug("command=" + command);
CharSequence chars = editor.getDocument().getCharsSequence();
StringReader car =
new StringReader(
chars.subSequence(range.getStartOffset(), range.getEndOffset()).toString());
StringWriter sw = new StringWriter();
logger.debug("about to create filter");
Process filter = Runtime.getRuntime().exec(command);
logger.debug("filter created");
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(filter.getOutputStream()));
logger.debug("sending text");
copy(car, writer);
writer.close();
logger.debug("sent");
BufferedReader reader = new BufferedReader(new InputStreamReader(filter.getInputStream()));
logger.debug("getting result");
copy(reader, sw);
sw.close();
logger.debug("received");
editor.getDocument().replaceString(range.getStartOffset(), range.getEndOffset(), sw.toString());
lastCommand = command;
return true;
}
private boolean getStringToReplace(
int textOffset,
int textEndOffset,
Document document,
FindModel findModel,
Ref<String> stringToReplace)
throws FindManager.MalformedReplacementStringException {
if (textOffset < 0 || textOffset >= document.getTextLength()) {
return false;
}
if (textEndOffset < 0 || textOffset > document.getTextLength()) {
return false;
}
FindManager findManager = FindManager.getInstance(myProject);
final CharSequence foundString =
document.getCharsSequence().subSequence(textOffset, textEndOffset);
PsiFile file = PsiDocumentManager.getInstance(myProject).getPsiFile(document);
FindResult findResult =
findManager.findString(
document.getCharsSequence(),
textOffset,
findModel,
file != null ? file.getVirtualFile() : null);
if (!findResult.isStringFound()) {
return false;
}
stringToReplace.set(
FindManager.getInstance(myProject)
.getStringToReplace(foundString.toString(), findModel, textOffset, document.getText()));
return true;
}
private static void assertBeforeCommit(
Document document,
PsiFile file,
TextBlock textBlock,
CharSequence chars,
String oldPsiText,
FileElement myTreeElementBeingReparsedSoItWontBeCollected) {
int startOffset = textBlock.getStartOffset();
int psiEndOffset = textBlock.getPsiEndOffset();
if (oldPsiText != null) {
@NonNls String msg = "PSI/document inconsistency before reparse: ";
if (startOffset >= oldPsiText.length()) {
msg += "startOffset=" + oldPsiText + " while text length is " + oldPsiText.length() + "; ";
startOffset = oldPsiText.length();
}
String psiPrefix = oldPsiText.substring(0, startOffset);
String docPrefix = chars.subSequence(0, startOffset).toString();
String psiSuffix = oldPsiText.substring(psiEndOffset);
String docSuffix = chars.subSequence(textBlock.getTextEndOffset(), chars.length()).toString();
if (!psiPrefix.equals(docPrefix) || !psiSuffix.equals(docSuffix)) {
if (!psiPrefix.equals(docPrefix)) {
msg = msg + "psiPrefix=" + psiPrefix + "; docPrefix=" + docPrefix + ";";
}
if (!psiSuffix.equals(docSuffix)) {
msg = msg + "psiSuffix=" + psiSuffix + "; docSuffix=" + docSuffix + ";";
}
throw new AssertionError(msg);
}
} else if (document.getTextLength() - textBlock.getTextEndOffset()
!= myTreeElementBeingReparsedSoItWontBeCollected.getTextLength() - psiEndOffset) {
throw new AssertionError("PSI/document inconsistency before reparse: file=" + file);
}
}
protected OuterLanguageElementImpl createOuterLanguageElement(
final Lexer lexer, final CharTable table, final IElementType outerElementType) {
final CharSequence buffer = lexer.getBufferSequence();
final int tokenStart = lexer.getTokenStart();
if (tokenStart < 0 || tokenStart > buffer.length()) {
LOG.error("Invalid start: " + tokenStart + "; " + lexer);
}
final int tokenEnd = lexer.getTokenEnd();
if (tokenEnd < 0 || tokenEnd > buffer.length()) {
LOG.error("Invalid end: " + tokenEnd + "; " + lexer);
}
return new OuterLanguageElementImpl(
outerElementType, table.intern(buffer, tokenStart, tokenEnd));
}
public void prefixUpdated() {
final CharSequence text = myEditor.getDocument().getCharsSequence();
final int caretOffset = myEditor.getCaretModel().getOffset();
for (Pair<Integer, ElementPattern<String>> pair : myRestartingPrefixConditions) {
int start = pair.first;
if (caretOffset >= start) {
final String newPrefix = text.subSequence(start, caretOffset).toString();
if (pair.second.accepts(newPrefix)) {
scheduleRestart();
myRestartingPrefixConditions.clear();
return;
}
}
}
hideAutopopupIfMeaningless();
}
@Override
public void setText(@NotNull CharSequence text) {
String s = StringUtil.convertLineSeparators(text.toString());
myChars = new char[s.length()];
s.getChars(0, s.length(), myChars, 0);
myString = new String(myChars);
myLineSet = LineSet.createLineSet(myString);
}
private void end(StringBuilder ans, Pretty pretty, String indent) {
if (endEncloser == null) return;
if (!pretty.pretty) ans.append(endEncloser);
else {
Utilities.assureEndsWithNewLine(ans);
ans.append(indent + endEncloser);
if (pretty.comments && endComment.length() > 0) ans.append("#" + endComment);
Utilities.assureEndsWithNewLine(ans);
}
}
private void start(StringBuilder ans, Pretty pretty, String indent) {
if (startEncloser == null) return;
if (!pretty.pretty) {
ans.append(startEncloser);
} else {
String comment;
if (pretty.comments && startComment.length() > 0) comment = " #" + startComment;
else comment = "";
ans.append(indent + startEncloser + comment);
Utilities.assureEndsWithNewLine(ans);
}
}
private CharSequence createTemplateText(CharSequence buf, Lexer lexer) {
StringBuilder result = new StringBuilder(buf.length());
lexer.start(buf);
while (lexer.getTokenType() != null) {
if (lexer.getTokenType() == myTemplateElementType) {
appendCurrentTemplateToken(result, buf, lexer);
}
lexer.advance();
}
return result;
}
private void paintWhitespace(
Graphics2D g,
CharSequence text,
float x,
int y,
int start,
int end,
EditorImpl.LineWhitespacePaintingStrategy whitespacePaintingStrategy,
VisualLineFragmentsIterator.Fragment fragment) {
g.setColor(myEditor.getColorsScheme().getColor(EditorColors.WHITESPACES_COLOR));
boolean isRtl = fragment.isRtl();
int baseStartOffset = fragment.getStartOffset();
int startOffset = isRtl ? baseStartOffset - start : baseStartOffset + start;
for (int i = start; i < end; i++) {
int charOffset = isRtl ? baseStartOffset - i - 1 : baseStartOffset + i;
char c = text.charAt(charOffset);
if (" \t\u3000".indexOf(c) >= 0
&& whitespacePaintingStrategy.showWhitespaceAtOffset(charOffset)) {
int startX =
(int)
fragment.offsetToX(
x, startOffset, isRtl ? baseStartOffset - i : baseStartOffset + i);
int endX =
(int)
fragment.offsetToX(
x, startOffset, isRtl ? baseStartOffset - i - 1 : baseStartOffset + i + 1);
if (c == ' ') {
g.fillRect((startX + endX) / 2, y, 1, 1);
} else if (c == '\t') {
endX -= myView.getPlainSpaceWidth() / 4;
int height = myView.getCharHeight();
int halfHeight = height / 2;
int mid = y - halfHeight;
int top = y - height;
UIUtil.drawLine(g, startX, mid, endX, mid);
UIUtil.drawLine(g, endX, y, endX, top);
g.fillPolygon(
new int[] {endX - halfHeight, endX - halfHeight, endX},
new int[] {y, y - height, y - halfHeight},
3);
} else if (c == '\u3000') { // ideographic space
final int charHeight = myView.getCharHeight();
g.drawRect(startX + 2, y - charHeight, endX - startX - 4, charHeight);
}
}
}
}
public static boolean checkConsistency(PsiFile psiFile, Document document) {
// todo hack
if (psiFile.getVirtualFile() == null) return true;
CharSequence editorText = document.getCharsSequence();
int documentLength = document.getTextLength();
if (psiFile.textMatches(editorText)) {
LOG.assertTrue(psiFile.getTextLength() == documentLength);
return true;
}
char[] fileText = psiFile.textToCharArray();
@SuppressWarnings({"NonConstantStringShouldBeStringBuffer"})
@NonNls
String error =
"File '"
+ psiFile.getName()
+ "' text mismatch after reparse. "
+ "File length="
+ fileText.length
+ "; Doc length="
+ documentLength
+ "\n";
int i = 0;
for (; i < documentLength; i++) {
if (i >= fileText.length) {
error += "editorText.length > psiText.length i=" + i + "\n";
break;
}
if (i >= editorText.length()) {
error += "editorText.length > psiText.length i=" + i + "\n";
break;
}
if (editorText.charAt(i) != fileText[i]) {
error += "first unequal char i=" + i + "\n";
break;
}
}
// error += "*********************************************" + "\n";
// if (i <= 500){
// error += "Equal part:" + editorText.subSequence(0, i) + "\n";
// }
// else{
// error += "Equal part start:\n" + editorText.subSequence(0, 200) + "\n";
// error += "................................................" + "\n";
// error += "................................................" + "\n";
// error += "................................................" + "\n";
// error += "Equal part end:\n" + editorText.subSequence(i - 200, i) + "\n";
// }
error += "*********************************************" + "\n";
error +=
"Editor Text tail:("
+ (documentLength - i)
+ ")\n"; // + editorText.subSequence(i, Math.min(i + 300, documentLength)) + "\n";
error += "*********************************************" + "\n";
error += "Psi Text tail:(" + (fileText.length - i) + ")\n";
error += "*********************************************" + "\n";
if (document instanceof DocumentWindow) {
error += "doc: '" + document.getText() + "'\n";
error += "psi: '" + psiFile.getText() + "'\n";
error += "ast: '" + psiFile.getNode().getText() + "'\n";
error += psiFile.getLanguage() + "\n";
PsiElement context =
InjectedLanguageManager.getInstance(psiFile.getProject()).getInjectionHost(psiFile);
if (context != null) {
error += "context: " + context + "; text: '" + context.getText() + "'\n";
error += "context file: " + context.getContainingFile() + "\n";
}
error +=
"document window ranges: "
+ Arrays.asList(((DocumentWindow) document).getHostRanges())
+ "\n";
}
LOG.error(error);
// document.replaceString(0, documentLength, psiFile.getText());
return false;
}
/**
* @param hideByAnyKey
* @param x <code>x</code> coordinate in layered pane coordinate system.
* @param y <code>y</code> coordinate in layered pane coordinate system.
*/
@Nullable
public static LightweightHint showEditorFragmentHintAt(
Editor editor,
TextRange range,
int x,
int y,
boolean showUpward,
boolean showFolding,
boolean hideByAnyKey) {
if (ApplicationManager.getApplication().isUnitTestMode()) return null;
Document document = editor.getDocument();
int startOffset = range.getStartOffset();
int startLine = document.getLineNumber(startOffset);
CharSequence text = document.getCharsSequence();
// There is a possible case that we have a situation like below:
// line 1
// line 2 <fragment start>
// line 3<fragment end>
// We don't want to include 'line 2' to the target fragment then.
boolean incrementLine = false;
for (int offset = startOffset, max = Math.min(range.getEndOffset(), text.length());
offset < max;
offset++) {
char c = text.charAt(offset);
incrementLine = StringUtil.isWhiteSpace(c);
if (!incrementLine || c == '\n') {
break;
}
}
if (incrementLine) {
startLine++;
}
int endLine =
Math.min(document.getLineNumber(range.getEndOffset()) + 1, document.getLineCount() - 1);
// if (editor.logicalPositionToXY(new LogicalPosition(startLine, 0)).y >=
// editor.logicalPositionToXY(new LogicalPosition(endLine, 0)).y) return null;
if (startLine >= endLine) return null;
EditorFragmentComponent fragmentComponent =
createEditorFragmentComponent(editor, startLine, endLine, showFolding, true);
if (showUpward) {
y -= fragmentComponent.getPreferredSize().height + 10;
y = Math.max(0, y);
}
final JComponent c = editor.getComponent();
x = SwingUtilities.convertPoint(c, new Point(-3, 0), UIUtil.getRootPane(c)).x; // IDEA-68016
Point p = new Point(x, y);
LightweightHint hint = new MyComponentHint(fragmentComponent);
HintManagerImpl.getInstanceImpl()
.showEditorHint(
hint,
editor,
p,
(hideByAnyKey ? HintManager.HIDE_BY_ANY_KEY : 0)
| HintManager.HIDE_BY_TEXT_CHANGE
| HintManager.HIDE_BY_MOUSEOVER,
0,
false,
new HintHint(editor, p));
return hint;
}