Example usage for org.eclipse.jface.viewers StructuredSelection EMPTY

List of usage examples for org.eclipse.jface.viewers StructuredSelection EMPTY

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In this page you can find the example usage for org.eclipse.jface.viewers StructuredSelection EMPTY.

Prototype

StructuredSelection EMPTY

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Document

The canonical empty selection.

Usage

From source file:com.bdaum.zoom.ui.internal.views.DataEntryView.java

License:Open Source License

public void updateField(QueryField qfield, FieldEntry fieldEntry) {
    Object widget = widgetMap.get(qfield);
    Control control = (widget instanceof ComboViewer ? ((ComboViewer) widget).getControl() : (Control) widget);
    if (!fieldEntry.applicable || (!fieldEntry.editable && fieldEntry != FieldEntry.PENDING)) {
        setControlVisible(control, false);
        return;/*from   w ww. j a va2s  . c om*/
    }
    setControlVisible(control, true);
    updateSet.add(qfield);
    try {
        if (fieldEntry == FieldEntry.PENDING) {
            setControlEnabled(control, false);
            ControlDecoration fieldDec = getFieldDecoration(control);
            FieldDecoration deco = FieldDecorationRegistry.getDefault().getFieldDecoration(DEC_PENDING);
            fieldDec.setImage(deco.getImage());
            fieldDec.setDescriptionText(deco.getDescription());
            fieldDec.show();
        } else {
            Object value = fieldEntry.value;
            if (value == QueryField.VALUE_MIXED) {
                setControlEnabled(control,
                        qfield.getCard() == 1 || qfield.getCard() == QueryField.CARD_MODIFIABLEBAG);
                ControlDecoration fieldDec = getFieldDecoration(control);
                FieldDecoration deco = FieldDecorationRegistry.getDefault().getFieldDecoration(DEC_MIXED);
                fieldDec.setImage(deco.getImage());
                fieldDec.setDescriptionText(deco.getDescription());
                fieldDec.show();
                if (control instanceof Combo)
                    ((Combo) control).setText(QueryField.VALUE_MIXED);
                else if (control instanceof Text)
                    ((Text) control).setText(QueryField.VALUE_MIXED);
                else if (control instanceof CheckedText)
                    ((CheckedText) control).setText(QueryField.VALUE_MIXED);
                else if (control instanceof DateComponent)
                    ((DateComponent) control).setSelection(QueryField.VALUE_MIXED);
                else if (control instanceof SpinnerComponent)
                    ((SpinnerComponent) control).setSelection(QueryField.VALUE_MIXED);
            } else {
                setControlEnabled(control, value != QueryField.VALUE_NOTHING);
                String text = qfield.value2text(value, CLICK_TO_VIEW_DETAILS);
                if (text != null && value != QueryField.VALUE_MIXED) {
                    if (!text.isEmpty() && value != QueryField.VALUE_NOTHING
                            && text != Format.MISSINGENTRYSTRING) {
                        if (widget instanceof ComboViewer)
                            ((ComboViewer) widget).setSelection(new StructuredSelection(value));
                        else if (control instanceof Text)
                            ((Text) control).setText(text);
                        else if (control instanceof CheckedText)
                            ((CheckedText) control).setText(text);
                        else if (control instanceof DateComponent)
                            ((DateComponent) control).setSelection(value);
                        else if (control instanceof SpinnerComponent) {
                            if (qfield.getType() == QueryField.T_CURRENCY)
                                ((SpinnerComponent) control).setSelection(
                                        (int) ((Double) value * Math.pow(10, Format.getCurrencyDigits())
                                                + 0.5));
                            else
                                ((SpinnerComponent) control).setSelection(value);
                        }
                    } else {
                        if (widget instanceof ComboViewer)
                            ((ComboViewer) widget).setSelection(StructuredSelection.EMPTY);
                        else if (control instanceof Text)
                            ((Text) control).setText(text);
                        else if (control instanceof CheckedText)
                            ((CheckedText) control).setText(text);
                        else if (control instanceof DateComponent)
                            ((DateComponent) control).setSelection(text);
                        else if (control instanceof SpinnerComponent)
                            ((SpinnerComponent) control).setSelection(text);
                    }
                }
                hideFieldDeco(control);
            }
        }
    } finally {
        updateSet.remove(qfield);
    }

}

From source file:com.bdaum.zoom.ui.internal.views.HistogramView.java

License:Open Source License

public ISelection getSelection() {
    return currentItem != null ? new StructuredSelection(currentItem) : StructuredSelection.EMPTY;
}

From source file:com.bdaum.zoom.ui.internal.views.PreviewView.java

License:Open Source License

public ISelection getSelection() {
    return (currentItem != null) ? new StructuredSelection(currentItem) : StructuredSelection.EMPTY;
}

From source file:com.bdaum.zoom.ui.internal.views.TrashcanView.java

License:Open Source License

@Override
public void selectNone() {
    gallery.setSelection(EMPTYITEMS);
    selection = StructuredSelection.EMPTY;
}

From source file:com.boothen.jsonedit.quickoutline.QuickOutlinePopup.java

License:Open Source License

/**
 * Selects the first element in the tree which matches the current filter pattern.
 *//*from www .ja  v  a  2s  .c om*/
private void selectFirstMatch() {
    final Tree tree = treeViewer.getTree();
    TreeItem element = findElement(tree.getItems());

    if (element != null) {
        tree.setSelection(element);
        tree.showItem(element);
    } else {
        treeViewer.setSelection(StructuredSelection.EMPTY);
    }
}

From source file:com.cloudbees.eclipse.run.ui.contributions.handlers.CBSampleWebAppHandler.java

License:Open Source License

private IStructuredSelection getCurrentSelection() {
    IWorkbenchWindow window = JavaPlugin.getActiveWorkbenchWindow();
    if (window != null) {
        ISelection selection = window.getSelectionService().getSelection();
        if (selection instanceof IStructuredSelection) {
            return (IStructuredSelection) selection;
        }/*www  .  j a  v  a  2  s  . c om*/
    }
    return StructuredSelection.EMPTY;
}

From source file:com.cloudbees.eclipse.ui.wizard.CBWizardSupport.java

License:Open Source License

public static IStructuredSelection getCurrentSelection() {
    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    if (window != null) {
        ISelection selection = window.getSelectionService().getSelection();
        if (selection instanceof IStructuredSelection) {
            return (IStructuredSelection) selection;
        }//from  w w  w  . jav a  2s. co  m
    }
    return StructuredSelection.EMPTY;
}

From source file:com.codeaffine.home.control.admin.ui.util.viewer.property.PropertySheetViewer.java

License:Open Source License

/**
 * The <code>PropertySheetViewer</code> implementation of this
 * <code>ISelectionProvider</code> method returns the result as a
 * <code>StructuredSelection</code>.
 * <p>/*from   w w w . java  2  s  . c  om*/
 * Note that this method only includes <code>IPropertySheetEntry</code> in
 * the selection (no categories).
 * </p>
 */
@Override
public ISelection getSelection() {
    if (tree.getSelectionCount() == 0) {
        return StructuredSelection.EMPTY;
    }
    TreeItem[] sel = tree.getSelection();
    List entries = new ArrayList(sel.length);
    for (TreeItem ti : sel) {
        Object data = ti.getData();
        if (data instanceof IPropertySheetEntry) {
            entries.add(data);
        }
    }
    return new StructuredSelection(entries);
}

From source file:com.diffplug.common.swt.jface.ViewerMisc.java

License:Apache License

/** Returns a thread-safe `RxBox<Optional>` for manipulating the selection of a {@link StructuredViewer} created with {@link SWT#SINGLE}. */
public static <T> void singleSelection(StructuredViewer viewer, RxBox<Optional<T>> box) {
    Preconditions.checkArgument(SwtMisc.flagIsSet(SWT.SINGLE, viewer.getControl()),
            "Control style does not have SWT.SINGLE set.");
    // set the box when the selection changes
    viewer.addSelectionChangedListener(event -> {
        IStructuredSelection selection = (IStructuredSelection) event.getSelection();
        @SuppressWarnings("unchecked")
        T selected = (T) selection.getFirstElement();
        box.set(Optional.ofNullable(selected));
    });/*from  w ww . jav  a2 s.c o  m*/
    // set the selection when the box changes
    SwtExec.immediate().guardOn(viewer.getControl()).subscribe(box.asObservable(), optional -> {
        if (optional.isPresent()) {
            viewer.setSelection(new StructuredSelection(optional.get()));
        } else {
            viewer.setSelection(StructuredSelection.EMPTY);
        }
    });
}

From source file:com.drgarbage.bytecodevisualizer.editors.ToggleBytecodeBreakpointAdapter.java

License:Apache License

protected ISelection translateToMembers(IWorkbenchPart part, ISelection selection) throws CoreException {

    if (!(part instanceof BytecodeEditor)) {
        BytecodeVisualizerPlugin.log(new IllegalStateException("part not an instance of BytecodeEditor"));
        return StructuredSelection.EMPTY;
    } else {//from  www .j  av  a2 s.  co m

        BytecodeEditor bytecodeEditor = (BytecodeEditor) part;

        if (!(selection instanceof ITextSelection)) {
            BytecodeVisualizerPlugin
                    .log(new IllegalStateException("selection not an instance of ITextSelection"));
            return StructuredSelection.EMPTY;
        } else {
            ITextSelection textSelection = (ITextSelection) selection;

            IType primaryType = getPrimaryType(bytecodeEditor.getBytecodeEditorInput());
            BytecodeDocumentProvider documentProvider = (BytecodeDocumentProvider) bytecodeEditor
                    .getDocumentProvider();

            if (primaryType == null) {
                primaryType = getPrimaryType(bytecodeEditor);
            }

            if (primaryType == null) {
                primaryType = getPrimaryType(documentProvider);
            }

            if (primaryType != null) {

                IClassFileDocument doc = documentProvider.getClassFileDocument();

                int line = textSelection.getStartLine();
                if (line == doc.getClassSignatureDocumentLine()) {
                    return new StructuredSelection(primaryType);
                }

                if (doc.isLineInMethod(line)) {
                    IMethodSection ms = doc.findMethodSection(line);
                    if (ms != null) {
                        IMethod m = ClassFileDocumentsUtils.findMethod(primaryType, ms.getName(),
                                ms.getDescriptor());
                        if (m != null) {
                            return new StructuredSelection(m);
                        } else {
                            /* probably an implicit constructor */
                            primaryType = getPrimaryType(documentProvider);
                            if (primaryType != null) {
                                m = ClassFileDocumentsUtils.findMethod(primaryType, ms.getName(),
                                        ms.getDescriptor());
                                if (m != null) {
                                    return new StructuredSelection(m);
                                }
                            }
                        }
                    }
                    return StructuredSelection.EMPTY;
                }

                if (doc.isLineInField(line)) {
                    IFieldSection fs = doc.findFieldSection(line);
                    if (fs != null) {
                        IField f = primaryType.getField(fs.getName());
                        if (f != null) {
                            return new StructuredSelection(f);
                        }
                    }
                    return StructuredSelection.EMPTY;
                }

            }
            return StructuredSelection.EMPTY;
        }

    }

}