Examples with ITextSelection org.eclipse.jface.text.ITextSelection used on opensource projects

Example 81 with ITextSelection

use of org.eclipse.jface.text.ITextSelection in project erlide_eclipse by erlang.

the class ErlangAbstractHandler method getTextSelection.

/**
 * Provide the text selection that is needed to execute the command. Default
 * implementation, extend to Erlang elements selected.
 *
 * @param document
 *            text {@link IDocument}
 * @param selection
 *            selection affected by command (extended by extendSelection)
 * @return new {@link ITextSelection} with all text up to selection
 */
protected ITextSelection getTextSelection(final IDocument document, final ITextSelection selection, final ITextEditor editor) {
    if (editor instanceof ErlangEditor) {
        final AbstractErlangEditor erlangEditor = (AbstractErlangEditor) editor;
        final IErlModule module = erlangEditor.getModule();
        if (module != null) {
            final int offset1 = selection.getOffset();
            final int offset2 = offset1 + selection.getLength();
            try {
                final IErlElement e1 = module.getElementAt(offset1);
                final IErlElement e2 = module.getElementAt(offset2);
                if (e1 instanceof ISourceReference) {
                    final ISourceReference ref1 = (ISourceReference) e1;
                    final ISourceRange r1 = ref1.getSourceRange();
                    final int offset = r1.getOffset();
                    int length = r1.getLength();
                    if (e1.equals(e2)) {
                        final int docLength = document.getLength();
                        if (offset + length > docLength) {
                            length = docLength - offset;
                        }
                        return ErlangAbstractHandler.extendSelectionToWholeLines(document, new TextSelection(document, offset, length));
                    } else if (e2 == null) {
                        return ErlangAbstractHandler.extendSelectionToWholeLines(document, new TextSelection(document, offset, selection.getLength() + selection.getOffset() - offset));
                    } else if (e2 instanceof ISourceReference) {
                        final ISourceReference ref2 = (ISourceReference) e2;
                        final ISourceRange r2 = ref2.getSourceRange();
                        return ErlangAbstractHandler.extendSelectionToWholeLines(document, new TextSelection(document, offset, r2.getOffset() - offset + r2.getLength()));
                    }
                }
            } catch (final ErlModelException e) {
            }
        }
    }
    return ErlangAbstractHandler.extendSelectionToWholeLines(document, selection);
}

Example 82 with ITextSelection

use of org.eclipse.jface.text.ITextSelection in project erlide_eclipse by erlang.

the class ErlangAbstractHandler method execute.

@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
    final ITextEditor textEditor = (ITextEditor) HandlerUtil.getActiveEditor(event);
    if (!validateEditorInputState(textEditor)) {
        return null;
    }
    final ISelection sel = textEditor.getSelectionProvider().getSelection();
    if (sel == null || sel.isEmpty() || !(sel instanceof ITextSelection)) {
        return null;
    }
    ErlideEventTracer.getInstance().traceOperationStart(this);
    try {
        final IRunnableWithProgress myRunnableWithProgress = monitor0 -> {
            final IProgressMonitor monitor = monitor0 != null ? monitor0 : new NullProgressMonitor();
            try {
                monitor.beginTask("Processing " + textEditor.getEditorInput().getName(), IProgressMonitor.UNKNOWN);
                doAction(sel, textEditor);
            } finally {
                monitor.done();
            }
        };
        try {
            PlatformUI.getWorkbench().getProgressService().busyCursorWhile(myRunnableWithProgress);
        } catch (final InvocationTargetException e) {
        } catch (final InterruptedException e) {
        }
    } finally {
        ErlideEventTracer.getInstance().traceOperationEnd(this);
    }
    return null;
}

Example 83 with ITextSelection

use of org.eclipse.jface.text.ITextSelection in project erlide_eclipse by erlang.

the class FindAction method run.

/*
     * Method declared on SelectionChangedAction.
     */
@Override
public void run(final ITextSelection selection) {
    try {
        final IErlModule module = fEditor.getModule();
        if (module == null) {
            return;
        }
        final ISelection sel = getSelection();
        final ITextSelection textSel = (ITextSelection) sel;
        final int offset = textSel.getOffset();
        final OpenResult res = ErlangEngine.getInstance().getOpenService().open(module.getScannerName(), offset, ErlangEngine.getInstance().getModelUtilService().getImportsAsList(module), "", ErlangEngine.getInstance().getModel().getPathVars());
        ErlLogger.debug("find " + res);
        final ErlangSearchPattern ref = SearchUtil.getSearchPatternFromOpenResultAndLimitTo(module, offset, res, getLimitTo(), true);
        if (ref != null) {
            SearchUtil.runQuery(ref, getScope(), getScopeDescription(), getShell());
        }
    } catch (final Exception e) {
        handleException(e);
    }
}

Example 84 with ITextSelection

use of org.eclipse.jface.text.ITextSelection in project erlide_eclipse by erlang.

the class ErlideSelection method getSelectedText.

/**
 * @return the Selected text
 */
public String getSelectedText() {
    final ITextSelection txtSel = getTextSelection();
    final int start = txtSel.getOffset();
    final int len = txtSel.getLength();
    try {
        return doc.get(start, len);
    } catch (final BadLocationException e) {
        throw new RuntimeException(e);
    }
}

Example 85 with ITextSelection

use of org.eclipse.jface.text.ITextSelection in project erlide_eclipse by erlang.

the class ErlangSearchPage method initSelections.

private void initSelections() throws ErlModelException {
    final ISelection sel = getContainer().getSelection();
    SearchPatternData initData = null;
    if (sel instanceof IStructuredSelection) {
        initData = tryStructuredSelection((IStructuredSelection) sel);
    } else if (sel instanceof ITextSelection) {
        final IEditorPart activePart = getActiveEditor();
        if (activePart instanceof ErlangEditor) {
            initData = tryErlangTextSelection(initData, activePart);
        }
        if (initData == null) {
            initData = trySimpleTextSelection((ITextSelection) sel);
        }
    }
    if (initData == null) {
        initData = getDefaultInitValues();
    }
    fInitialData = initData;
    fPattern.setText(initData.getPattern());
    setSearchFor(initData.getSearchFor());
}