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

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

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Introduction

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

Prototype

public Object getFirstElement();

Source Link

Document

Returns the first element in this selection, or null if the selection is empty.

Usage

From source file:com.atlassian.connector.eclipse.internal.crucible.ui.actions.ReplyToCommentAction.java

License:Open Source License

@Override
protected boolean updateSelection(IStructuredSelection selection) {
    this.review = null;

    Object element = selection.getFirstElement();
    if (element instanceof Comment && selection.size() == 1) {
        this.review = getActiveReview();
        if (this.review != null && CrucibleUtil.canAddCommentToReview(review)) {
            return true;
        }/*from w  w w  .  jav  a 2s. c  om*/
    }
    return false;
}

From source file:com.atlassian.connector.eclipse.internal.crucible.ui.wizards.SelectChangesetsFromCruciblePage.java

License:Open Source License

private void createChangesViewer(Composite parent) {
    Tree tree = new Tree(parent, SWT.MULTI | SWT.BORDER);
    availableTreeViewer = new TreeViewer(tree);

    GridDataFactory.fillDefaults().grab(true, true).hint(300, 220).applyTo(tree);
    availableTreeViewer.setLabelProvider(new ChangesetLabelProvider());
    availableTreeViewer.setContentProvider(new ChangesetContentProvider());
    availableTreeViewer.setComparator(new ResourceComparator(ResourceComparator.NAME));
    availableTreeViewer.setComparator(new ViewerComparator() {
        @Override//from  w w w  .j  a  v a2 s.c  om
        public int compare(Viewer viewer, Object e1, Object e2) {
            if (e1 instanceof Change && e2 instanceof Change) {
                return ((Change) e2).getDate().compareTo(((Change) e1).getDate());
            }
            return super.compare(viewer, e1, e2);
        }
    });

    tree.setMenu(createChangesContextMenu());

    tree.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            updateButtonEnablement();
        }
    });
    availableTreeViewer.addTreeListener(new ITreeViewerListener() {
        public void treeCollapsed(TreeExpansionEvent event) {
            // ignore
        }

        public void treeExpanded(TreeExpansionEvent event) {
            // first time of expanding: retrieve first 10 changesets
            final Object object = event.getElement();
            if (object instanceof Repository) {
                refreshRepository((Repository) object);
            }

        }
    });
    availableTreeViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            Object object = selection.getFirstElement();
            if (availableTreeViewer.isExpandable(object)) {
                if (!availableTreeViewer.getExpandedState(object) && object instanceof Repository) {
                    refreshRepository((Repository) object);
                    return;
                }
                availableTreeViewer.setExpandedState(object, !availableTreeViewer.getExpandedState(object));
            }
        }
    });
}

From source file:com.atlassian.connector.eclipse.ui.actions.AbstractResourceAction.java

License:Open Source License

private List<ResourceEditorBean> getData(ISelection selection) {
    List<ResourceEditorBean> ret = new ArrayList<ResourceEditorBean>();
    if (selection instanceof IStructuredSelection) {
        final IStructuredSelection structuredSelection = (IStructuredSelection) selection;

        Object[] selectedObjects = structuredSelection.toArray();

        for (Object selectedObject : selectedObjects) {

            if (selectedObject instanceof IEditorResource) {
                IEditorResource a = (IEditorResource) selectedObject;
                ret.add(new ResourceEditorBean(a.getResource(), a.getLineRange()));

            } else if (structuredSelection.getFirstElement() instanceof IAdaptable) {
                IResource resource = null;
                LineRange lineRange = null;
                resource = (IResource) ((IAdaptable) structuredSelection.getFirstElement())
                        .getAdapter(IResource.class);
                lineRange = getJavaEditorSelection(structuredSelection);
                ret.add(new ResourceEditorBean(resource, lineRange));
            }//from  w  w  w . java  2  s . com
        }
    } else {
        IEditorPart activeEditor = getActiveEditor();
        if (activeEditor != null) {
            IEditorInput editorInput = getEditorInputFromSelection(selection);
            if (editorInput != null) {
                IResource resource = null;
                LineRange lineRange = null;
                resource = (IResource) editorInput.getAdapter(IResource.class);
                // such call:
                //            lineRange = new LineRange(textSelection.getStartLine(), textSelection.getEndLine()
                //                  - textSelection.getStartLine());
                // does not work (i.e. it returns previously selected text region rather than selected now ?!?
                lineRange = AtlassianUiUtil.getSelectedLineNumberRangeFromEditorInput(activeEditor,
                        activeEditor.getEditorInput());
                ret.add(new ResourceEditorBean(resource, lineRange));
            }
        }
    }
    return ret;
}

From source file:com.atlassian.connector.eclipse.ui.actions.AbstractResourceAction.java

License:Open Source License

private IEditorInput getEditorInputFromSelection(ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = ((IStructuredSelection) selection);
        if (structuredSelection.getFirstElement() instanceof IEditorInput) {
            return (IEditorInput) structuredSelection.getFirstElement();
        }//ww  w  .j a va2 s .c  om
    }
    return null;
}

From source file:com.axmor.eclipse.typescript.editor.preferences.TypescriptSyntaxColoringPage.java

License:Open Source License

/**
 * Returns the current highlighting color list item.
 * /*from  w  ww  . ja  v a  2s . c om*/
 * @return the current highlighting color list item
 * @since 3.0
 */
private HighlightingColorListItem getHighlightingColorListItem() {
    IStructuredSelection selection = (IStructuredSelection) fHighlightingColorListViewer.getSelection();
    return (HighlightingColorListItem) selection.getFirstElement();
}

From source file:com.axmor.eclipse.typescript.editor.preferences.TypescriptTemplatePreferencePage.java

License:Open Source License

protected void updateViewerInput() {
    IStructuredSelection selection = (IStructuredSelection) getTableViewer().getSelection();
    SourceViewer viewer = getViewer();/*  w  w w.  java  2s .c o  m*/

    if (selection.size() == 1 && selection.getFirstElement() instanceof TemplatePersistenceData) {
        TemplatePersistenceData data = (TemplatePersistenceData) selection.getFirstElement();
        Template template = data.getTemplate();
        viewer.getDocument().set(template.getPattern());
    } else {
        viewer.getDocument().set(""); //$NON-NLS-1$
    }
}

From source file:com.axmor.eclipse.typescript.editor.wizards.NewClassWizardPage.java

License:Open Source License

private void initialize() {
    if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() > 1)
            return;
        Object obj = ssel.getFirstElement();
        if (obj instanceof IResource) {
            IContainer container;//from   w w w  .  j av  a2 s. com
            if (obj instanceof IContainer)
                container = (IContainer) obj;
            else
                container = ((IResource) obj).getParent();
            containerText.setText(container.getFullPath().toString());
        }
    }
    fileText.setText("new_file.ts");
    //TODO focus
    fileText.setFocus();
}

From source file:com.baremetalstudios.mapleide.ui.ResourceViewerControl.java

License:Open Source License

public IResource getResource() {
    if (viewer.getSelection().isEmpty()) {
        return null;
    } else {/*  w  w  w .  j  a v a2  s . c  o  m*/
        IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
        return (IResource) s.getFirstElement();
    }
}

From source file:com.bb.extensions.plugin.unittests.internal.actions.CodeCoverageOpenAction.java

License:Open Source License

@Override
protected boolean updateSelection(IStructuredSelection selection) {
    boolean result = false;

    _selectedElement = null;//w ww  .  j  a v  a  2  s. c om

    if (!selection.isEmpty()) {
        Object selected = selection.getFirstElement();
        if (selected instanceof CodeCoverageUnitTestsNavigatorElement) {
            _selectedElement = (CodeCoverageUnitTestsNavigatorElement) selected;
            result = true;
        }
    }

    _openAction.selectionChanged(selection);
    result = result || _openAction.isEnabled();

    return result;
}

From source file:com.bb.extensions.plugin.unittests.internal.actions.TestFileOpenAction.java

License:Open Source License

@Override
protected boolean updateSelection(IStructuredSelection selection) {
    boolean result = false;

    _selectedElement = null;//  w w  w. ja  v a2s  .  c  o m

    if (!selection.isEmpty()) {
        Object selected = selection.getFirstElement();
        if (selected instanceof TestFileUnitTestsNavigatorElement) {
            _selectedElement = (TestFileUnitTestsNavigatorElement) selected;
            result = true;
        }
    }

    _openAction.selectionChanged(selection);
    result = result || _openAction.isEnabled();

    return result;
}