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

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.aptana.git.ui.internal.history.CommitFileDiffViewer.java

License:Open Source License

CommitFileDiffViewer(final Composite parent, final GitHistoryPage historyPage) {
    super(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);

    final Table rawTable = getTable();
    rawTable.setHeaderVisible(true);/*from   w ww.  ja  v  a2  s .co  m*/
    rawTable.setLinesVisible(false);

    final TableLayout layout = new TableLayout();
    rawTable.setLayout(layout);
    createColumns(rawTable, layout);

    setContentProvider(new CommitDiffContentProvider());
    setLabelProvider(new SingleCommitLabelProvider());

    addOpenListener(new IOpenListener() {
        public void open(final OpenEvent event) {
            final ISelection s = event.getSelection();
            if (s.isEmpty() || !(s instanceof IStructuredSelection))
                return;
            final IStructuredSelection iss = (IStructuredSelection) s;
            final Diff d = (Diff) iss.getFirstElement();
            showTwoWayFileDiff(d);
        }
    });

    MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
    menuMgr.setRemoveAllWhenShown(true);
    menuMgr.addMenuListener(new IMenuListener() {
        public void menuAboutToShow(IMenuManager manager) {
            manager.add(new OpenRevisionAction(historyPage.getSite().getPage(), getTable()));
            // Other plug-ins can contribute there actions here
            manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
        }
    });

    Menu menu = menuMgr.createContextMenu(getControl());
    getControl().setMenu(menu);
}

From source file:com.aptana.git.ui.internal.history.GitHistoryPage.java

License:Open Source License

private void attachCommitSelectionChanged() {
    graph.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(final SelectionChangedEvent event) {
            final ISelection s = event.getSelection();
            if (s.isEmpty() || !(s instanceof IStructuredSelection)) {
                commentViewer.setText(""); //$NON-NLS-1$
                fileViewer.setInput(null);
                return;
            }/*from w  w w .j a  va2 s . c om*/

            final IStructuredSelection sel = ((IStructuredSelection) s);
            GitCommit commit = (GitCommit) sel.getFirstElement();
            // TODO If we know the user's github project URL, we can point them to the GitHub URL for this instead
            // of generating our own!
            commentViewer.setText(commitToHTML(commit));
            fileViewer.setInput(commit);
        }
    });
}

From source file:com.aptana.ide.core.ui.actions.ActionDelegate.java

License:Open Source License

/**
 * Returns a valid selection// ww w. j  a va  2s . c  o m
 * 
 * @param selection
 * @return Object
 */
protected Object getValidSingleSelection(ISelection selection) {
    if (selection instanceof IStructuredSelection == false) {
        return null;
    }

    IStructuredSelection structuredSelection = ((IStructuredSelection) selection);

    if (structuredSelection.size() > 1) {
        return null;
    }

    return structuredSelection.getFirstElement();
}

From source file:com.aptana.ide.core.ui.dialogs.TableEditor.java

License:Open Source License

/**
 * Remove the type from the table//from ww w  . j a  v  a  2 s. co m
 */
public void editSelectedResourceType() {
    ISelection selection = _viewer.getSelection();
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection select = (IStructuredSelection) selection;
        Object o = select.getFirstElement();
        for (int i = 0; i < _listeners.size(); i++) {
            IAddItemListener l = _listeners.get(i);
            o = l.editItem(o);
            refreshTable();
        }
    }
}

From source file:com.aptana.ide.core.ui.editors.FileCompareEditorInput.java

License:Open Source License

/**
 * @see org.eclipse.compare.CompareEditorInput#createDiffViewer(org.eclipse.swt.widgets.Composite)
 *///from   ww w.  j  a va 2 s . com
public Viewer createDiffViewer(Composite parent) {
    fDiffViewer = new DiffTreeViewer(parent, getCompareConfiguration()) {
        protected void fillContextMenu(IMenuManager manager) {

            if (fOpenAction == null) {
                fOpenAction = new Action() {
                    public void run() {
                        handleOpen(null);
                    }
                };
                Utilities.initAction(fOpenAction, getBundle(), "action.CompareContents."); //$NON-NLS-1$
            }

            boolean enable = false;
            ISelection selection = getSelection();
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) selection;
                if (ss.size() == 1) {
                    Object element = ss.getFirstElement();
                    if (element instanceof MyDiffNode) {
                        ITypedElement te = ((MyDiffNode) element).getId();
                        if (te != null)
                            enable = !ITypedElement.FOLDER_TYPE.equals(te.getType());
                    } else
                        enable = true;
                }
            }
            fOpenAction.setEnabled(enable);

            manager.add(fOpenAction);

            super.fillContextMenu(manager);
        }
    };
    return fDiffViewer;
}

From source file:com.aptana.ide.debug.internal.ui.actions.EditDetailFormatterAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
 *///from   ww w . j  a va2 s .c om
public void run(IAction action) {
    IStructuredSelection selection = getCurrentSelection();
    if (selection == null || selection.size() != 1) {
        return;
    }
    Object element = selection.getFirstElement();
    String typeName;
    try {
        if (element instanceof IJSVariable) {
            typeName = ((IJSVariable) element).getReferenceTypeName();
        } else {
            return;
        }
    } catch (DebugException e) {
        IdeLog.logError(DebugUiPlugin.getDefault(), StringUtils.EMPTY, e);
        return;
    }
    JSDetailFormattersManager detailFormattersManager = JSDetailFormattersManager.getDefault();
    DetailFormatter detailFormatter = detailFormattersManager.getAssociatedDetailFormatter(typeName);
    if (new DetailFormatterDialog(DebugUiPlugin.getActivePage().getWorkbenchWindow().getShell(),
            detailFormatter, null, false, true).open() == Window.OK) {
        detailFormattersManager.setAssociatedDetailFormatter(detailFormatter);
        refreshCurrentSelection();
    }
}

From source file:com.aptana.ide.debug.internal.ui.actions.NewDetailFormatterAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
 *//*from  w ww .  ja v  a 2  s . co m*/
public void run(IAction action) {
    IStructuredSelection selection = getCurrentSelection();
    if (selection == null || selection.size() != 1) {
        return;
    }
    Object element = selection.getFirstElement();
    String typeName;
    try {
        if (element instanceof IJSVariable) {
            typeName = ((IJSVariable) element).getReferenceTypeName();
        } else {
            return;
        }
    } catch (DebugException e) {
        IdeLog.logError(DebugUiPlugin.getDefault(), StringUtils.EMPTY, e);
        return;
    }
    JSDetailFormattersManager detailFormattersManager = JSDetailFormattersManager.getDefault();
    DetailFormatter detailFormatter = new DetailFormatter(typeName, StringUtils.EMPTY, true);
    if (new DetailFormatterDialog(DebugUiPlugin.getActivePage().getWorkbenchWindow().getShell(),
            detailFormatter, null, true, false).open() == Window.OK) {
        detailFormattersManager.setAssociatedDetailFormatter(detailFormatter);
        refreshCurrentSelection();
    }
}

From source file:com.aptana.ide.debug.internal.ui.actions.NewWatchpointAction.java

License:Open Source License

public void run(IAction action) {
    IStructuredSelection selection = getCurrentSelection();
    if (selection == null || selection.size() != 1) {
        return;/*from   w w  w .jav a 2 s .  c  o  m*/
    }
    Object element = selection.getFirstElement();
    try {
        if (element instanceof IJSVariable) {
            JSDebugModel.createWatchpoint((IJSVariable) element);
            refreshCurrentSelection();
        }
    } catch (CoreException e) {
        IdeLog.logError(DebugUiPlugin.getDefault(), StringUtils.EMPTY, e);
        return;
    }
}

From source file:com.aptana.ide.debug.internal.ui.actions.OpenScriptSourceAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.actions.SelectionProviderAction#selectionChanged(org.eclipse.jface.viewers.IStructuredSelection)
 *//*from   www  .j  ava2s  .co m*/
public void selectionChanged(IStructuredSelection selection) {
    if (selection.size() == 1) {
        Object element = selection.getFirstElement();
        if (element instanceof IJSScriptElement) {
            scriptElement = (IJSScriptElement) element;
            String location = scriptElement.getLocation();
            if (location != null) {
                setEnabled(true);
                int lineNumber = scriptElement.getBaseLine();
                Object sourceElement = DebugUITools.lookupSource(scriptElement, getSourceLocator(scriptElement))
                        .getSourceElement();
                IEditorInput editorInput = SourceDisplayUtil.getEditorInput(sourceElement);
                if (editorInput != null) {
                    IEditorPart editorPart = SourceDisplayUtil.findEditor(editorInput);
                    if (editorPart != null) {
                        SourceDisplayUtil.revealLineInEditor(editorPart, lineNumber);
                    }
                }
                return;
            }
        }
    } else {
        scriptElement = null;
    }
    setEnabled(false);
}

From source file:com.aptana.ide.debug.internal.ui.actions.RemoveDetailFormatterAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
 *///from   ww w.j  a  v a2 s.  c  om
public void run(IAction action) {
    IStructuredSelection selection = getCurrentSelection();
    if (selection == null || selection.size() != 1) {
        return;
    }
    Object element = selection.getFirstElement();
    String typeName;
    try {
        if (element instanceof IJSVariable) {
            typeName = ((IJSVariable) element).getReferenceTypeName();
        } else {
            return;
        }
    } catch (DebugException e) {
        IdeLog.logError(DebugUiPlugin.getDefault(), StringUtils.EMPTY, e);
        return;
    }
    JSDetailFormattersManager detailFormattersManager = JSDetailFormattersManager.getDefault();
    DetailFormatter detailFormatter = detailFormattersManager.getAssociatedDetailFormatter(typeName);
    detailFormattersManager.removeAssociatedDetailFormatter(detailFormatter);
    refreshCurrentSelection();
}