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

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

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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.ibm.research.tours.fx.wizards.FontPreferenceWizardPage.java

License:Open Source License

public void createControl(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.verticalSpacing = 6;/*w w  w . j a  v a  2s  .  c  o  m*/
    composite.setLayout(layout);

    Label label = new Label(composite, SWT.WRAP);
    label.setText("Configure font for this element");
    GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL
            | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER);
    label.setData(data);

    ITableLabelProvider labelProvider = new TableLabelProviderAdapter() {
        public String getColumnText(Object element, int columnIndex) {
            if (element instanceof FontDefinition) {
                FontDefinition defn = (FontDefinition) element;
                if (columnIndex == 0)
                    return defn.getName();
                else if (columnIndex == 1)
                    return defn.getDescription();
            }
            return null;
        }
    };

    IContentProvider contentProvider = new StructuredContentProviderAdapter() {
        public Object[] getElements(Object inputElement) {
            IThemeRegistry registry = WorkbenchPlugin.getDefault().getThemeRegistry();
            FontDefinition[] fontDefinitions = registry.getFonts();
            return fontDefinitions;
        }
    };

    fFontPrefRegistry = new FilteredTable(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL,
            new NQueryTablePatternFilter());
    fFontPrefRegistry.getViewer().setContentProvider(contentProvider);
    fFontPrefRegistry.getViewer().setSorter(new ViewerSorter());
    fFontPrefRegistry.getViewer().setLabelProvider(labelProvider);
    fFontPrefRegistry.getViewer().setInput(new Object());
    fFontPrefRegistry.getViewer().addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selected = (IStructuredSelection) event.getSelection();
            if (selected.isEmpty()) {
                FontPreferenceWizardPage.this.setPageComplete(false);
            } else {
                FontDefinition defn = (FontDefinition) selected.getFirstElement();
                FontPreferenceWizardPage.this.setId(defn.getId());
                FontPreferenceWizardPage.this.setLabel(defn.getName());
                FontPreferenceWizardPage.this.setPageComplete(getFontData() != null);
            }
        }
    });

    Table table = fFontPrefRegistry.getViewer().getTable();
    table.setHeaderVisible(false);
    table.setLinesVisible(true);

    TableColumn nameColumn = new TableColumn(table, SWT.LEFT, 0);
    nameColumn.setWidth(240);

    TableColumn descColumn = new TableColumn(table, SWT.LEFT, 1);
    descColumn.setWidth(640);

    GridData registryListData = new GridData(GridData.FILL_HORIZONTAL);
    registryListData.heightHint = 120;
    registryListData.horizontalSpan = 2;
    fFontPrefRegistry.setLayoutData(registryListData);

    if (id != null) {
        IThemeRegistry registry = WorkbenchPlugin.getDefault().getThemeRegistry();
        FontDefinition[] fontDefinitions = registry.getFonts();
        for (FontDefinition defn : fontDefinitions) {
            if (id.equals(defn.getId())) {
                IStructuredSelection selection = new StructuredSelection(defn);
                fFontPrefRegistry.getViewer().setSelection(selection, true);
                break;
            }
        }
    }

    fFontGroup = new FontGroup(fFontData);
    GridData fontGroupData = new GridData(GridData.FILL_HORIZONTAL);
    fontGroupData.heightHint = 80;
    fontGroupData.widthHint = 300;
    fFontGroup.createComposite(composite, fontGroupData);

    fResetButton = new Button(composite, SWT.CHECK);
    fResetButton.setText("Reset font after transition");
    fResetButton.setSelection(fReset);
    fResetButton.addSelectionListener(new SelectionListener() {
        public void widgetSelected(SelectionEvent e) {
            fReset = fResetButton.getSelection();
        }

        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }
    });

    setPageComplete(id != null && getFontData() != null);

    setControl(composite);
}

From source file:com.ibm.research.tours.fx.wizards.ResetFontPreferenceWizardPage.java

License:Open Source License

public void createControl(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.verticalSpacing = 6;/*from  w  w  w .  ja  v  a2  s  .c o  m*/
    composite.setLayout(layout);

    Label label = new Label(composite, SWT.WRAP);
    label.setText("Configure font for this element");
    GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL
            | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER);
    label.setData(data);

    ITableLabelProvider labelProvider = new TableLabelProviderAdapter() {
        public String getColumnText(Object element, int columnIndex) {
            if (element instanceof FontDefinition) {
                FontDefinition defn = (FontDefinition) element;
                if (columnIndex == 0)
                    return defn.getName();
                else if (columnIndex == 1)
                    return defn.getDescription();
            }
            return null;
        }
    };

    IContentProvider contentProvider = new StructuredContentProviderAdapter() {
        public Object[] getElements(Object inputElement) {
            IThemeRegistry registry = WorkbenchPlugin.getDefault().getThemeRegistry();
            FontDefinition[] fontDefinitions = registry.getFonts();
            return fontDefinitions;
        }
    };

    fFontPrefRegistry = new FilteredTable(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL,
            new NQueryTablePatternFilter());
    fFontPrefRegistry.getViewer().setContentProvider(contentProvider);
    fFontPrefRegistry.getViewer().setSorter(new ViewerSorter());
    fFontPrefRegistry.getViewer().setLabelProvider(labelProvider);
    fFontPrefRegistry.getViewer().setInput(new Object());
    fFontPrefRegistry.getViewer().addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selected = (IStructuredSelection) event.getSelection();
            if (selected.isEmpty()) {
                ResetFontPreferenceWizardPage.this.setPageComplete(false);
            } else {
                FontDefinition defn = (FontDefinition) selected.getFirstElement();
                ResetFontPreferenceWizardPage.this.setId(defn.getId());
                ResetFontPreferenceWizardPage.this.setLabel(defn.getName());
                ResetFontPreferenceWizardPage.this.setPageComplete(id != null);
            }
        }
    });

    Table table = fFontPrefRegistry.getViewer().getTable();
    table.setHeaderVisible(false);
    table.setLinesVisible(true);

    TableColumn nameColumn = new TableColumn(table, SWT.LEFT, 0);
    nameColumn.setWidth(240);

    TableColumn descColumn = new TableColumn(table, SWT.LEFT, 1);
    descColumn.setWidth(640);

    GridData registryListData = new GridData(GridData.FILL_HORIZONTAL);
    registryListData.heightHint = 120;
    registryListData.horizontalSpan = 2;
    fFontPrefRegistry.setLayoutData(registryListData);

    if (id != null) {
        IThemeRegistry registry = WorkbenchPlugin.getDefault().getThemeRegistry();
        FontDefinition[] fontDefinitions = registry.getFonts();
        for (FontDefinition defn : fontDefinitions) {
            if (id.equals(defn.getId())) {
                IStructuredSelection selection = new StructuredSelection(defn);
                fFontPrefRegistry.getViewer().setSelection(selection, true);
                break;
            }
        }
    }

    setPageComplete(id != null);

    setControl(composite);
}

From source file:com.itsolut.mantis.ui.action.MantisDeleteAttachmentAction.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {

    attachments.clear();/*from  w  w w .  j a  va2  s .  com*/
    action.setEnabled(false);

    IStructuredSelection structuredSelection = null;

    if (selection instanceof IStructuredSelection)
        structuredSelection = (IStructuredSelection) selection;

    if (structuredSelection == null || structuredSelection.isEmpty())
        return;

    for (Object selectionItem : structuredSelection.toList()) {
        if (selectionItem instanceof ITaskAttachment) {
            attachments.add((ITaskAttachment) selectionItem);
        }
    }

    action.setEnabled(attachments.size() > 0);
}

From source file:com.itsolut.mantis.ui.wizard.NewMantisTaskWizard.java

License:Open Source License

@Override
public void addPages() {

    IStructuredSelection selection = MantisUIUtil.getCurrentSelection();

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

        Object selectedElement = selection.getFirstElement();
        String projectName = null;
        if (selectedElement instanceof ITask) {
            ITask task = (ITask) selectedElement;
            projectName = task.getAttribute(PROJECT.getKey());
        } else if (selectedElement instanceof IRepositoryQuery) {
            IRepositoryQuery query = (IRepositoryQuery) selectedElement;
            projectName = query.getAttribute(IMantisClient.PROJECT_NAME);
        } else if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;
            ITask task = (ITask) adaptable.getAdapter(ITask.class);
            if (task != null)
                projectName = task.getAttribute(PROJECT.getKey());
        }//from w  w  w  .  ja v a  2 s. co m

        if (projectName != null && !MantisProject.ALL_PROJECTS.getName().equals(projectName)) {

            try {
                MantisCacheData cacheData = clientManager.getRepository(taskRepository).getCacheData();
                for (MantisProject project : cacheData.getProjects()) {
                    if (project.getName().equals(projectName)) {
                        mapping = new ProductOnlyTaskMapping(projectName);
                        return;
                    }
                }
            } catch (MantisException e) {
                // ignore the attempt and fall back to using a project page
            }
        }
    }

    newTaskPage = new MantisProjectPage(taskRepository, clientManager);
    addPage(newTaskPage);
}

From source file:com.iw.plugins.spindle.actions.AbstractTapestryProjectAction.java

License:Mozilla Public License

/**
 * @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
 *//*from  w  w  w  . ja  v  a2 s .  com*/
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 != null && !selection.isEmpty() && selection.size() == 1) {

            if (checkProjectIsOpenAndHasJavaNature(selection)) {

                enable = checkSelection(selection);
            }
        }

    }
    if (enable) {

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

From source file:com.iw.plugins.spindle.actions.AbstractTapestryResourceAction.java

License:Mozilla Public License

/**
 * @see org.eclipse.ui.IActionDelegate#selectionChanged(IAction, ISelection)
 *//*from  w  ww. j a v  a 2  s  . co  m*/
public void selectionChanged(IAction action, ISelection sel) {
    boolean enable = false;
    this.fSelection = null;

    IStructuredSelection selection = null;
    if (sel instanceof IStructuredSelection) {
        selection = (IStructuredSelection) sel;
        if (!selection.isEmpty())
            enable = checkSelection(selection);

    }
    if (enable)
        this.fSelection = selection;

    action.setEnabled(enable);
}

From source file:com.iw.plugins.spindle.actions.AbstractTapestryResourceAction.java

License:Mozilla Public License

/**
 * Method checkMultiSelection./*  www  .j  av a 2  s . com*/
 * 
 * @param selection
 * @return boolean
 */
private boolean checkSelection(IStructuredSelection selection) {
    boolean result = true;

    if (selection == null || selection.isEmpty()) {
        result = false;

    } else {

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

            IProject project = candidateFile.getProject();

            try {

                if (!project.isOpen() || !project.hasNature(TapestryCore.NATURE_ID))
                    return false;

                if (project.findMarkers(ITapestryMarker.TAPESTRY_BUILDBROKEN_MARKER, false,
                        IResource.DEPTH_ZERO).length > 0)
                    return false;

            } catch (CoreException e) {
                return false;
            }

            if (checkSpecificationExists(candidateFile))
                result = false;
        }
    }
    return result;
}

From source file:com.iw.plugins.spindle.editorjwc.beans.BeanSelectionSection.java

License:Mozilla Public License

public void selectionChanged(SelectionChangedEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    if (selection.isEmpty()) {
        fireSelectionNotification(null);
    }// ww  w  .ja v  a  2  s.  co m
    PluginBeanSpecification bean = (PluginBeanSpecification) getSelected();
    if (bean != null) {
        fireSelectionNotification(bean);
        if (hasFocus || updateSelection) {
            setPageSelection();
        }
    }

}

From source file:com.iw.plugins.spindle.editorjwc.beans.ChooseBeanInitializerDialog.java

License:Mozilla Public License

protected void okPressed() {
    if (viewer != null) {

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

            chosenProperties = new ArrayList();

            for (Iterator iter = selection.toList().iterator(); iter.hasNext();) {
                PropertyDescriptor element = (PropertyDescriptor) iter.next();
                chosenProperties.add(element.getName());
            }// w ww  .j a  v a  2s  .  c  om

        }
    }
    super.okPressed();
}

From source file:com.iw.plugins.spindle.editorjwc.components.ChooseBindingTypeDialog.java

License:Mozilla Public License

protected void okPressed() {
    if (viewer != null) {
        IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
        if (!selection.isEmpty()) {
            chosenParameters = selection.toList();
        }// w  w  w .  j a v a2s.com
    }
    super.okPressed();
}