public static EditorFragmentComponent createEditorFragmentComponent(
Editor editor, int startLine, int endLine, boolean showFolding, boolean showGutter) {
final EditorEx editorEx = (EditorEx) editor;
final Color old = editorEx.getBackgroundColor();
Color backColor = getBackgroundColor(editor);
editorEx.setBackgroundColor(backColor);
EditorFragmentComponent fragmentComponent =
new EditorFragmentComponent(editorEx, startLine, endLine, showFolding, showGutter);
fragmentComponent.setBackground(backColor);
editorEx.setBackgroundColor(old);
return fragmentComponent;
}
public ImplementationViewComponent(PsiElement[] elements, final int index) {
super(new BorderLayout());
final Project project = elements.length > 0 ? elements[0].getProject() : null;
EditorFactory factory = EditorFactory.getInstance();
Document doc = factory.createDocument("");
doc.setReadOnly(true);
myEditor = factory.createEditor(doc, project);
((EditorEx) myEditor).setBackgroundColor(EditorFragmentComponent.getBackgroundColor(myEditor));
final EditorSettings settings = myEditor.getSettings();
settings.setAdditionalLinesCount(1);
settings.setAdditionalColumnsCount(1);
settings.setLineMarkerAreaShown(false);
settings.setIndentGuidesShown(false);
settings.setLineNumbersShown(false);
settings.setFoldingOutlineShown(false);
myBinarySwitch = new CardLayout();
myViewingPanel = new JPanel(myBinarySwitch);
myEditor.setBorder(null);
((EditorEx) myEditor).getScrollPane().setViewportBorder(JBScrollPane.createIndentBorder());
myViewingPanel.add(myEditor.getComponent(), TEXT_PAGE_KEY);
myBinaryPanel = new JPanel(new BorderLayout());
myViewingPanel.add(myBinaryPanel, BINARY_PAGE_KEY);
add(myViewingPanel, BorderLayout.CENTER);
myToolbar = createToolbar();
myLocationLabel = new JLabel();
myCountLabel = new JLabel();
final JPanel header = new JPanel(new BorderLayout(2, 0));
header.setBorder(
BorderFactory.createCompoundBorder(
IdeBorderFactory.createBorder(SideBorder.BOTTOM),
IdeBorderFactory.createEmptyBorder(0, 0, 0, 5)));
final JPanel toolbarPanel = new JPanel(new GridBagLayout());
final GridBagConstraints gc =
new GridBagConstraints(
GridBagConstraints.RELATIVE,
0,
1,
1,
0,
0,
GridBagConstraints.WEST,
GridBagConstraints.NONE,
new Insets(0, 2, 0, 0),
0,
0);
toolbarPanel.add(myToolbar.getComponent(), gc);
setPreferredSize(new Dimension(600, 400));
update(
elements,
new PairFunction<PsiElement[], List<FileDescriptor>, Boolean>() {
@Override
public Boolean fun(
final PsiElement[] psiElements, final List<FileDescriptor> fileDescriptors) {
if (psiElements.length == 0) return false;
myElements = psiElements;
myIndex = index < myElements.length ? index : 0;
PsiFile psiFile = getContainingFile(myElements[myIndex]);
VirtualFile virtualFile = psiFile.getVirtualFile();
EditorHighlighter highlighter;
if (virtualFile != null)
highlighter = HighlighterFactory.createHighlighter(project, virtualFile);
else {
String fileName = psiFile.getName(); // some artificial psi file, lets do best we can
highlighter = HighlighterFactory.createHighlighter(project, fileName);
}
((EditorEx) myEditor).setHighlighter(highlighter);
gc.fill = GridBagConstraints.HORIZONTAL;
gc.weightx = 1;
if (myElements.length > 1) {
myFileChooser =
new ComboBox(
fileDescriptors.toArray(new FileDescriptor[fileDescriptors.size()]), 250);
updateRenderer(project);
myFileChooser.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int index = myFileChooser.getSelectedIndex();
if (myIndex != index) {
myIndex = index;
updateControls();
}
}
});
myLabel = new JLabel();
myLabel.setVisible(false);
toolbarPanel.add(myFileChooser, gc);
} else {
myFileChooser = new ComboBox();
myFileChooser.setVisible(false);
myCountLabel.setVisible(false);
myLabel = new JLabel();
VirtualFile file = psiFile.getVirtualFile();
if (file != null) {
myLabel.setIcon(getIconForFile(psiFile));
myLabel.setForeground(
FileStatusManager.getInstance(project).getStatus(file).getColor());
myLabel.setText(file.getPresentableName());
myLabel.setBorder(
new CompoundBorder(
IdeBorderFactory.createRoundedBorder(),
IdeBorderFactory.createEmptyBorder(0, 0, 0, 5)));
}
toolbarPanel.add(myLabel, gc);
}
gc.fill = GridBagConstraints.NONE;
gc.weightx = 0;
toolbarPanel.add(myCountLabel, gc);
header.add(toolbarPanel, BorderLayout.CENTER);
header.add(myLocationLabel, BorderLayout.EAST);
add(header, BorderLayout.NORTH);
updateControls();
return true;
}
});
}
/**
* @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;
}