Example usage for org.eclipse.jface.viewers IStructuredSelection 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.siteview.mde.internal.ui.shared.target.TargetLocationsGroup.java

License:Open Source License

private void updateButtons() {
    IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
    fEditButton.setEnabled(!selection.isEmpty() && (selection.getFirstElement() instanceof IBundleContainer
            || selection.getFirstElement() instanceof IUWrapper));
    // If any container is selected, allow the remove (the remove ignores non-container entries)
    boolean removeAllowed = false;
    boolean updateAllowed = false;
    Iterator iter = selection.iterator();
    while (iter.hasNext()) {
        if (removeAllowed && updateAllowed) {
            break;
        }//ww  w . j a  v a 2 s  .  c om
        Object current = iter.next();
        if (current instanceof IUBundleContainer) {
            updateAllowed = true;
        }
        if (current instanceof IBundleContainer) {
            removeAllowed = true;
        }
        if (current instanceof IUWrapper) {
            removeAllowed = true;
            updateAllowed = true;
        }
    }
    fRemoveButton.setEnabled(removeAllowed);
    fUpdateButton.setEnabled(updateAllowed);
}

From source file:com.siteview.mde.internal.ui.views.dependencies.DependenciesViewPage.java

License:Open Source License

private Object getSelectedObject() {
    IStructuredSelection selection = getSelection();
    if (selection.isEmpty() || selection.size() != 1)
        return null;
    return selection.getFirstElement();
}

From source file:com.siteview.mde.internal.ui.views.dependencies.DependenciesViewPage.java

License:Open Source License

protected void setSelection(IStructuredSelection selection) {
    if (selection != null && !selection.isEmpty())
        fViewer.setSelection(selection, true);
}

From source file:com.siteview.mde.internal.ui.views.plugins.CopyToClipboardAction.java

License:Open Source License

private boolean canCopy(IStructuredSelection selection) {
    if (selection.isEmpty())
        return false;
    for (Iterator iter = selection.iterator(); iter.hasNext();) {
        Object obj = iter.next();
        if (!(obj instanceof FileAdapter))
            return false;
    }//from   w ww  .  jav a  2s .  c  om
    return true;
}

From source file:com.siteview.mde.internal.ui.views.plugins.PluginsView.java

License:Open Source License

private Object getSelectedObject() {
    IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
    if (selection.isEmpty() || selection.size() != 1)
        return null;
    return selection.getFirstElement();
}

From source file:com.siteview.mde.internal.ui.views.plugins.PluginsView.java

License:Open Source License

public boolean isShowInApplicable() {
    IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
    if (selection.isEmpty())
        return false;
    for (Iterator iter = selection.iterator(); iter.hasNext();) {
        Object obj = iter.next();
        if (!(obj instanceof IMonitorModelBase))
            return false;
        if (((IMonitorModelBase) obj).getUnderlyingResource() == null)
            return false;
    }/*w ww. j av a 2s .co m*/
    return true;
}

From source file:com.siteview.mde.internal.ui.views.plugins.PluginsView.java

License:Open Source License

/**
 * Returns the <code>IShowInSource</code> for this view.
 * @return the <code>IShowInSource</code> 
 *///from   www.j a  va2 s  .c om
protected IShowInSource getShowInSource() {
    return new IShowInSource() {
        public ShowInContext getShowInContext() {
            ArrayList resourceList = new ArrayList();
            IStructuredSelection selection = (IStructuredSelection) fTreeViewer.getSelection();
            IStructuredSelection resources;
            if (selection.isEmpty()) {
                resources = null;
            } else {
                for (Iterator iter = selection.iterator(); iter.hasNext();) {
                    Object obj = iter.next();
                    if (obj instanceof IMonitorModelBase) {
                        resourceList.add(((IMonitorModelBase) obj).getUnderlyingResource());
                    }
                }
                resources = new StructuredSelection(resourceList);
            }

            return new ShowInContext(fTreeViewer.getInput(), resources);
        }
    };
}

From source file:com.siteview.mde.internal.ui.wizards.extension.PointSelectionPage.java

License:Open Source License

public boolean canFinish() {
    if (fTemplateViewer != null) {
        ISelection selection = fTemplateViewer.getSelection();
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection) selection;
            if (!ssel.isEmpty())
                return false;
        }/*from   ww w . j  a  va  2s  .co  m*/
    }
    if (fPointListViewer != null) {
        ISelection selection = fPointListViewer.getSelection();
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection) selection;
            if (ssel.isEmpty() == false)
                return true;
        }
    }
    return false;
}

From source file:com.siteview.mde.internal.ui.wizards.extension.PointSelectionPage.java

License:Open Source License

public void selectionChanged(SelectionChangedEvent event) {
    ISelection selection = event.getSelection();
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel != null && !ssel.isEmpty()) {
            Object element = ssel.getFirstElement();
            if (element instanceof WizardElement)
                handleTemplateSelection((WizardElement) element);
            else if (element instanceof IMonitorExtensionPoint)
                handlePointSelection((IMonitorExtensionPoint) element);
        } else {//from   w ww.j a v  a  2s  .com
            setDescription(""); //$NON-NLS-1$
            setDescriptionText(""); //$NON-NLS-1$
            fTemplateLabel
                    .setText(MDEUIMessages.NewExtensionWizard_PointSelectionPage_contributedTemplates_title);
            setPointDescriptionText(MDEUIMessages.PointSelectionPage_noDescAvailable);
            fDescLink.setText(NLS.bind(MDEUIMessages.PointSelectionPage_extPointDesc, "")); //$NON-NLS-1$
            setSelectedNode(null);
            setPageComplete(false);
        }
        getContainer().updateButtons();
    }
}

From source file:com.siteview.mde.internal.ui.wizards.plugin.LibraryPluginJarsPage.java

License:Open Source License

private void handleRemove() {
    IStructuredSelection selection = (IStructuredSelection) fTableViewer.getSelection();
    if (!selection.isEmpty()) {
        for (Iterator it = selection.iterator(); it.hasNext();) {
            Object file = it.next();
            fJarPaths.remove(file);/*from  www .  ja  v  a  2  s . c  o  m*/
            fTableViewer.remove(file);
        }
        fRemove.setEnabled(fJarPaths.size() > 0);
        setPageComplete(fJarPaths.size() > 0);
    }
}