Examples with Usage com.intellij.usages.Usage used on opensource projects

Example 1 with Usage

use of com.intellij.usages.Usage in project intellij-community by JetBrains.

the class PyTestCase method findUsage.

/**
   * Finds all usages of element. Works much like method in {@link com.intellij.testFramework.fixtures.CodeInsightTestFixture#findUsages(com.intellij.psi.PsiElement)},
   * but supports {@link com.intellij.find.findUsages.CustomUsageSearcher} and {@link com.intellij.psi.search.searches.ReferencesSearch} as well
   *
   * @param element what to find
   * @return usages
   */
@NotNull
protected Collection<PsiElement> findUsage(@NotNull final PsiElement element) {
    final Collection<PsiElement> result = new ArrayList<>();
    final CollectProcessor<Usage> usageCollector = new CollectProcessor<>();
    for (final CustomUsageSearcher searcher : CustomUsageSearcher.EP_NAME.getExtensions()) {
        searcher.processElementUsages(element, usageCollector, new FindUsagesOptions(myFixture.getProject()));
    }
    for (final Usage usage : usageCollector.getResults()) {
        if (usage instanceof PsiElementUsage) {
            result.add(((PsiElementUsage) usage).getElement());
        }
    }
    for (final PsiReference reference : ReferencesSearch.search(element).findAll()) {
        result.add(reference.getElement());
    }
    for (final UsageInfo info : myFixture.findUsages(element)) {
        result.add(info.getElement());
    }
    return result;
}

Example 2 with Usage

use of com.intellij.usages.Usage in project intellij-community by JetBrains.

the class UsageListCellRenderer method customizeCellRenderer.

@Override
protected void customizeCellRenderer(@NotNull final JList list, final Object value, final int index, final boolean selected, final boolean hasFocus) {
    Usage usage = (Usage) value;
    UsagePresentation presentation = usage.getPresentation();
    setIcon(presentation.getIcon());
    VirtualFile virtualFile = getVirtualFile(usage);
    if (virtualFile != null) {
        append(virtualFile.getName() + ": ", SimpleTextAttributes.REGULAR_ATTRIBUTES);
        setIcon(virtualFile.getFileType().getIcon());
        PsiFile psiFile = PsiManager.getInstance(myProject).findFile(virtualFile);
        if (psiFile != null) {
            setIcon(psiFile.getIcon(0));
        }
    }
    TextChunk[] text = presentation.getText();
    for (TextChunk textChunk : text) {
        SimpleTextAttributes simples = textChunk.getSimpleAttributesIgnoreBackground();
        append(textChunk.getText(), simples);
    }
}

Example 3 with Usage

use of com.intellij.usages.Usage in project intellij-community by JetBrains.

the class FindPopupPanel method getSelectedUsages.

@Nullable
private Usage[] getSelectedUsages() {
    int[] rows = myResultsPreviewTable.getSelectedRows();
    List<Usage> usages = null;
    for (int row : rows) {
        Object valueAt = myResultsPreviewTable.getModel().getValueAt(row, 0);
        if (valueAt instanceof Usage) {
            if (usages == null)
                usages = new SmartList<>();
            Usage at = (Usage) valueAt;
            usages.add(at);
        }
    }
    return usages != null ? ContainerUtil.toArray(usages, Usage.EMPTY_ARRAY) : null;
}

Example 4 with Usage

use of com.intellij.usages.Usage in project intellij-community by JetBrains.

the class FindPopupPanel method navigateToSelectedUsage.

private void navigateToSelectedUsage() {
    Usage[] usages = getSelectedUsages();
    if (usages != null) {
        applyTo(FindManager.getInstance(myProject).getFindInProjectModel(), false);
        myBalloon.cancel();
        usages[0].navigate(true);
        for (int i = 1; i < usages.length; ++i) usages[i].highlightInEditor();
    }
}

Example 5 with Usage

use of com.intellij.usages.Usage in project intellij-community by JetBrains.

the class FindPopupPanel method findSettingsChanged.

private void findSettingsChanged() {
    if (isShowing()) {
        ScrollingUtil.ensureSelectionExists(myResultsPreviewTable);
    }
    final ModalityState state = ModalityState.current();
    finishPreviousPreviewSearch();
    mySearchRescheduleOnCancellationsAlarm.cancelAllRequests();
    applyTo(myHelper.getModel(), false);
    myHelper.updateFindSettings();
    FindModel findInProjectModel = FindManager.getInstance(myProject).getFindInProjectModel();
    FindModel copy = new FindModel();
    copy.copyFrom(findInProjectModel);
    findInProjectModel.copyFrom(myHelper.getModel());
    //todo check if we really need to do it now
    ((FindManagerImpl) FindManager.getInstance(myProject)).changeGlobalSettings(myHelper.getModel());
    FindSettings findSettings = FindSettings.getInstance();
    myScopeUI.applyTo(findSettings, mySelectedScope);
    findSettings.setFileMask(myHelper.getModel().getFileFilter());
    ValidationInfo result = getValidationInfo(myHelper.getModel());
    final ProgressIndicatorBase progressIndicatorWhenSearchStarted = new ProgressIndicatorBase();
    myResultsPreviewSearchProgress = progressIndicatorWhenSearchStarted;
    final DefaultTableModel model = new DefaultTableModel() {

        @Override
        public boolean isCellEditable(int row, int column) {
            return false;
        }
    };
    model.addColumn("Usages");
    // Use previously shown usage files as hint for faster search and better usage preview performance if pattern length increased
    final LinkedHashSet<VirtualFile> filesToScanInitially = new LinkedHashSet<>();
    if (myHelper.myPreviousModel != null && myHelper.myPreviousModel.getStringToFind().length() < myHelper.getModel().getStringToFind().length()) {
        final DefaultTableModel previousModel = (DefaultTableModel) myResultsPreviewTable.getModel();
        for (int i = 0, len = previousModel.getRowCount(); i < len; ++i) {
            final UsageInfo2UsageAdapter usage = (UsageInfo2UsageAdapter) previousModel.getValueAt(i, 0);
            final VirtualFile file = usage.getFile();
            if (file != null)
                filesToScanInitially.add(file);
        }
    }
    myHelper.myPreviousModel = myHelper.getModel().clone();
    myCodePreviewComponent.setVisible(false);
    mySearchTextArea.setInfoText(null);
    myResultsPreviewTable.setModel(model);
    if (result != null) {
        myResultsPreviewTable.getEmptyText().setText(UIBundle.message("message.nothingToShow") + " (" + result.message + ")");
        return;
    }
    myResultsPreviewTable.getColumnModel().getColumn(0).setCellRenderer(new FindDialog.UsageTableCellRenderer(myCbFileFilter.isSelected(), false));
    myResultsPreviewTable.getEmptyText().setText("Searching...");
    final AtomicInteger resultsCount = new AtomicInteger();
    final AtomicInteger resultsFilesCount = new AtomicInteger();
    ProgressIndicatorUtils.scheduleWithWriteActionPriority(myResultsPreviewSearchProgress, new ReadTask() {

        @Override
        public void computeInReadAction(@NotNull ProgressIndicator indicator) {
            final UsageViewPresentation presentation = FindInProjectUtil.setupViewPresentation(findSettings.isShowResultsInSeparateView(), /*findModel*/
            myHelper.getModel().clone());
            final boolean showPanelIfOnlyOneUsage = !findSettings.isSkipResultsWithOneUsage();
            final FindUsagesProcessPresentation processPresentation = FindInProjectUtil.setupProcessPresentation(myProject, showPanelIfOnlyOneUsage, presentation);
            Ref<VirtualFile> lastUsageFileRef = new Ref<>();
            FindInProjectUtil.findUsages(myHelper.getModel().clone(), myProject, info -> {
                final Usage usage = UsageInfo2UsageAdapter.CONVERTER.fun(info);
                usage.getPresentation().getIcon();
                VirtualFile file = lastUsageFileRef.get();
                VirtualFile usageFile = info.getVirtualFile();
                if (file == null || !file.equals(usageFile)) {
                    resultsFilesCount.incrementAndGet();
                    lastUsageFileRef.set(usageFile);
                }
                ApplicationManager.getApplication().invokeLater(() -> {
                    model.addRow(new Object[] { usage });
                    myCodePreviewComponent.setVisible(true);
                    if (model.getRowCount() == 1 && myResultsPreviewTable.getModel() == model) {
                        myResultsPreviewTable.setRowSelectionInterval(0, 0);
                    }
                }, state);
                return resultsCount.incrementAndGet() < ShowUsagesAction.USAGES_PAGE_SIZE;
            }, processPresentation, filesToScanInitially);
            boolean succeeded = !progressIndicatorWhenSearchStarted.isCanceled();
            if (succeeded) {
                ApplicationManager.getApplication().invokeLater(() -> {
                    if (progressIndicatorWhenSearchStarted == myResultsPreviewSearchProgress && !myResultsPreviewSearchProgress.isCanceled()) {
                        int occurrences = resultsCount.get();
                        int filesWithOccurrences = resultsFilesCount.get();
                        if (occurrences == 0)
                            myResultsPreviewTable.getEmptyText().setText(UIBundle.message("message.nothingToShow"));
                        myCodePreviewComponent.setVisible(occurrences > 0);
                        StringBuilder info = new StringBuilder();
                        if (occurrences > 0) {
                            info.append(Math.min(ShowUsagesAction.USAGES_PAGE_SIZE, occurrences));
                            boolean foundAllUsages = occurrences < ShowUsagesAction.USAGES_PAGE_SIZE;
                            if (!foundAllUsages) {
                                info.append("+");
                            }
                            info.append(UIBundle.message("message.matches", occurrences));
                            info.append(" in ");
                            info.append(filesWithOccurrences);
                            if (!foundAllUsages) {
                                info.append("+");
                            }
                            info.append(UIBundle.message("message.files", filesWithOccurrences));
                        }
                        mySearchTextArea.setInfoText(info.toString());
                    }
                }, state);
            }
        }

        @Override
        public void onCanceled(@NotNull ProgressIndicator indicator) {
            if (isShowing() && progressIndicatorWhenSearchStarted == myResultsPreviewSearchProgress) {
                scheduleResultsUpdate();
            }
        }
    });
}