/**
* Configures given editor to wrap at given width, assuming characters are of given width
*
* @return whether any actual wraps of editor contents were created as a result of turning on soft
* wraps
*/
@TestOnly
public static boolean configureSoftWraps(
Editor editor, final int visibleWidth, final int charWidthInPixels) {
editor.getSettings().setUseSoftWraps(true);
SoftWrapModelImpl model = (SoftWrapModelImpl) editor.getSoftWrapModel();
model.setSoftWrapPainter(
new SoftWrapPainter() {
@Override
public int paint(
@NotNull Graphics g,
@NotNull SoftWrapDrawingType drawingType,
int x,
int y,
int lineHeight) {
return charWidthInPixels;
}
@Override
public int getDrawingHorizontalOffset(
@NotNull Graphics g,
@NotNull SoftWrapDrawingType drawingType,
int x,
int y,
int lineHeight) {
return charWidthInPixels;
}
@Override
public int getMinDrawingWidth(@NotNull SoftWrapDrawingType drawingType) {
return charWidthInPixels;
}
@Override
public boolean canUse() {
return true;
}
@Override
public void reinit() {}
});
model.reinitSettings();
SoftWrapApplianceManager applianceManager = model.getApplianceManager();
applianceManager.setWidthProvider(
new SoftWrapApplianceManager.VisibleAreaWidthProvider() {
@Override
public int getVisibleAreaWidth() {
return visibleWidth;
}
});
model.setEditorTextRepresentationHelper(
new DefaultEditorTextRepresentationHelper(editor) {
@Override
public int charWidth(char c, int fontType) {
return charWidthInPixels;
}
});
applianceManager.registerSoftWrapIfNecessary();
return !model.getRegisteredSoftWraps().isEmpty();
}
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;
}
});
}