Example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty

List of usage examples for org.eclipse.jface.viewers IStructuredSelection isEmpty

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  6. isEmpty

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection isEmpty.

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:com.iw.plugins.spindle.ui.wizards.source.MoveImplicitPreviewPage.java

License:Mozilla Public License

private Object getSelection() {
    IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
    if (selection.isEmpty())
        return null;
    return selection.getFirstElement();
}

From source file:com.iw.plugins.spindle.wizards.extra.AbstractTapestryResourceAction.java

License:Mozilla Public License

/**
 * @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
 *//*from  w  ww .  ja v a2  s . co  m*/
public void selectionChanged(IAction action, ISelection sel) {
    boolean enable = false;
    this.selection = null;

    IStructuredSelection selection = null;

    if (sel instanceof IStructuredSelection) {

        selection = (IStructuredSelection) sel;

        if (!selection.isEmpty()) {

            enable = checkSelection(selection);
        }

    }
    if (enable) {

        this.selection = selection;
    }
    action.setEnabled(enable);
}

From source file:com.iw.plugins.spindle.wizards.extra.AbstractTapestryResourceAction.java

License:Mozilla Public License

/**
 * Method checkMultiSelection.//  w w  w .ja  v a2 s .  c  o  m
 * @param selection
 * @return boolean
 */
private boolean checkSelection(IStructuredSelection selection) {
    boolean result = true;

    if (selection == null || selection.isEmpty()) {

        result = false;

    } else {

        try {

            for (Iterator iter = selection.iterator(); iter.hasNext();) {

                IFile candidateFile = (IFile) iter.next();

                try {

                    ITapestryProject project = TapestryPlugin.getDefault().getTapestryProjectFor(candidateFile);

                    if (checkJWCExists(candidateFile)) {

                        result = false;
                    }

                } catch (CoreException e) {
                    result = false;
                }

            }
        } catch (ClassCastException e) {

            result = false;
        }
    }
    return result;
}

From source file:com.iw.plugins.spindle.wizards.extra.ConvertComponentIntoPageAction.java

License:Mozilla Public License

/**
 * Method checkMultiSelection./*from www.j a  v  a 2s .  co  m*/
 * @param selection
 * @return boolean
 */
private boolean checkSelection(IStructuredSelection selection) {
    boolean result = false;

    if (selection != null && !selection.isEmpty() && selection.size() == 1) {

        try {

            for (Iterator iter = selection.iterator(); iter.hasNext();) {

                IFile candidateFile = (IFile) iter.next();

                if (!candidateFile.isReadOnly() && !checkPageExists(candidateFile)) {

                    try {

                        ITapestryProject project = TapestryPlugin.getDefault()
                                .getTapestryProjectFor(candidateFile);

                        TapestryProjectModelManager mgr = project.getModelManager();

                        TapestryLibraryModel projectModel = (TapestryLibraryModel) project.getProjectModel();

                        TapestryComponentModel cmodel = null;

                        if (mgr != null && projectModel != null) {

                            IPackageFragment modelFragment = project.getLookup()
                                    .findPackageFragment(candidateFile);

                            if (modelFragment != null) {

                                fragment = modelFragment;

                                cmodel = (TapestryComponentModel) mgr.getReadOnlyModel(candidateFile);

                                if (cmodel.isLoaded()) {

                                    result = true;

                                }
                            }

                        }

                    } catch (CoreException e) {

                    }
                }

            }
        } catch (ClassCastException e) {

        }
    }
    return result;
}

From source file:com.iw.plugins.spindle.wizards.migrate.DefinePagesComponentsPage.java

License:Mozilla Public License

/**
 * @see org.eclipse.jface.dialogs.IDialogPage#createControl(Composite)
 *///from   w ww.  ja v a2s  . c  o  m
public void createControl(Composite parent) {

    Composite container = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    layout.makeColumnsEqualWidth = true;
    container.setLayout(layout);
    GridData gd;
    Composite leftColumn = new Composite(container, SWT.NULL);
    gd = new GridData(GridData.FILL_BOTH);
    leftColumn.setLayoutData(gd);
    GridLayout leftLayout = new GridLayout();
    leftLayout.verticalSpacing = 10;
    leftLayout.marginWidth = 0;
    leftColumn.setLayout(leftLayout);
    Composite rightColumn = new Composite(container, SWT.NULL);
    gd = new GridData(GridData.FILL_BOTH);
    rightColumn.setLayoutData(gd);
    GridLayout rightLayout = new GridLayout();
    rightLayout.verticalSpacing = 10;
    rightLayout.marginWidth = 0;
    rightColumn.setLayout(rightLayout);
    ComponentSection allSection = new ComponentSection(".jwc Files");
    Control allSectionControl = allSection.createControl(leftColumn);
    gd = new GridData(GridData.FILL_BOTH);
    allSectionControl.setLayoutData(gd);
    PageSection pageSection = new PageSection("make into .page Files");
    Control pageSectionControl = pageSection.createControl(rightColumn);
    gd = new GridData(GridData.FILL_BOTH);
    pageSectionControl.setLayoutData(gd);
    toPageButton.addSelectionListener(new SelectionListener() {

        public void widgetSelected(SelectionEvent e) {

            handleChange(componentViewer, componentViewer.getSelection());
        }

        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });
    fromPageButton.addSelectionListener(new SelectionListener() {

        public void widgetSelected(SelectionEvent e) {

            handleChange(pageViewer, pageViewer.getSelection());
        }

        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });
    componentViewer.setContentProvider(new IStructuredContentProvider() {
        public Object[] getElements(Object inputElement) {
            return componentList.toArray();
        }

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }
    });
    componentViewer.setLabelProvider(new TapestryStorageLabelProvider(true));
    componentViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            updateButtonsEnabled();
        }
    });
    componentViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {

            IStructuredSelection selection = (IStructuredSelection) componentViewer.getSelection();
            if (!selection.isEmpty()) {
                handleChange(componentViewer, selection.getFirstElement());
            }
        }
    });
    pageViewer.setContentProvider(new IStructuredContentProvider() {
        public Object[] getElements(Object inputElement) {
            return pageList.toArray();
        }

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }
    });
    pageViewer.setLabelProvider(new TapestryStorageLabelProvider(true));
    pageViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            updateButtonsEnabled();
        }
    });
    pageViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) pageViewer.getSelection();
            if (!selection.isEmpty()) {
                handleChange(pageViewer, selection.getFirstElement());
            }
        }
    });
    setControl(container);
}

From source file:com.iw.plugins.spindle.wizards.migrate.DefinePagesComponentsPage.java

License:Mozilla Public License

private void handleChange(Viewer fromViewer, Object changeObject) {

    IStructuredSelection selection = null;
    if (changeObject instanceof ISelection) {

        selection = (IStructuredSelection) changeObject;
    } else {/*from  ww w  . ja v a 2s.  c  om*/

        selection = new StructuredSelection(changeObject);
    }

    List fromList = null;
    List toList = null;
    TableViewer toViewer = null;
    if (fromViewer == componentViewer) {

        fromList = componentList;
        toList = pageList;
        toViewer = pageViewer;
    } else {

        fromList = pageList;
        toList = componentList;
        toViewer = componentViewer;
    }

    if (!selection.isEmpty()) {

        List selectedObjects = selection.toList();
        fromList.removeAll(selectedObjects);
        toList.addAll(selectedObjects);
        fromViewer.setInput(fromList);
        toViewer.setInput(toViewer);
        toViewer.getControl().setFocus();
        toViewer.setSelection(selection);
        updateButtonsEnabled();
    }
}

From source file:com.iw.plugins.spindle.wizards.NewTapestryElementWizard.java

License:Mozilla Public License

protected IJavaElement getInitElement() {
    IStructuredSelection selection = getSelection();
    IJavaElement jelem = null;/*from  w  w  w  . j av  a2  s .com*/

    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
            if (jelem == null) {
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                IResource parent = resource.getParent();
                jelem = (IJavaElement) ((IAdaptable) parent).getAdapter(IJavaElement.class);
                if (jelem == null) {
                    if (resource != null) {
                        IProject proj = resource.getProject();
                        if (proj != null) {
                            jelem = JavaCore.create(proj);
                        }
                    }
                }
            }
        }
    }
    if (jelem == null) {
        jelem = TapestryPlugin.getActiveEditorJavaInput();
    }
    return jelem;
}

From source file:com.iw.plugins.spindle.wizards.OpenTapestryWizard.java

License:Mozilla Public License

protected IJavaElement getInitElement() {
    IStructuredSelection selection = getCurrentSelection();
    IJavaElement jelem = null;/*  w w w. j  a  va  2s . c o m*/

    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
            if (jelem == null) {
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null) {
                    IProject proj = resource.getProject();
                    if (proj != null) {
                        jelem = JavaCore.create(proj);
                    }
                }
            }
        }
    }
    if (jelem == null) {
        jelem = TapestryPlugin.getActiveEditorJavaInput();
    }
    return jelem;
}

From source file:com.iw.plugins.spindle.wizards.project.ContainerDialogField.java

License:Mozilla Public License

private IClasspathEntry chooseSourceContainer(IClasspathEntry current) {

    ChooseDialog dialog = new ChooseDialog(getShell(), "Choose Source Container");
    dialog.setContentProvider(new ClasspathEntryProvider());
    dialog.setLabelProvider(new ClasspathLabelProvider());

    dialog.create();/*from ww  w. j av  a  2 s  .  c o m*/

    dialog.setSelected(current);

    if (dialog.open() == dialog.OK) {

        IStructuredSelection selection = (IStructuredSelection) dialog.getSelection();
        if (!selection.isEmpty()) {

            return (IClasspathEntry) selection.getFirstElement();

        }

    }
    return null;
}

From source file:com.javadude.antxr.eclipse.ui.actions.JavaBreakpointPropertiesAction.java

License:Open Source License

/** {@inheritDoc} */
public void selectionChanged(IAction action, ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection ss = (IStructuredSelection) selection;
        if (ss.isEmpty() || ss.size() > 1) {
            return;
        }//w  ww . j a va2s.  c om
        Object element = ss.getFirstElement();
        if (element instanceof IJavaBreakpoint) {
            setBreakpoint((IJavaBreakpoint) element);
        }
    }
}