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

Introduction

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

Prototype

public int size();

Source Link

Document

Returns the number of elements selected in this selection.

Usage

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

License:Open Source License

/**
 * Returns a valid selection/* w  w  w . j a  v  a 2 s  . co 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.actions.ActionDelegate.java

License:Open Source License

/**
 * Returns a valid array of selections/*from   www  .java2  s. co  m*/
 * 
 * @param selection
 * @return Object[]
 */
protected Object[] getValidSelection(ISelection selection) {
    if (selection instanceof IStructuredSelection == false) {
        return null;
    }

    IStructuredSelection structuredSelection = ((IStructuredSelection) selection);

    if (structuredSelection.size() == 0) {
        return new Object[0];
    } else {
        return structuredSelection.toArray();
    }
}

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   w w  w. j  av  a  2  s .co  m
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)
 */// ww  w  . jav  a2s  . c  o 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 = 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  www.j a va  2 s .  com*/
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;/* www .  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)
 *///  w  ww.  j a  v a2 s  .c  o 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   w w  w.  java  2  s  .c o 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 = detailFormattersManager.getAssociatedDetailFormatter(typeName);
    detailFormattersManager.removeAssociatedDetailFormatter(detailFormatter);
    refreshCurrentSelection();
}

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

License:Open Source License

/**
 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
 *      org.eclipse.jface.viewers.ISelection)
 *//*from  w ww.  j  a  v  a  2s  .c  om*/
public void selectionChanged(IAction action, ISelection selection) {
    fSelection = null;
    if (!action.isEnabled()) {
        return;
    }
    int enabled = 0;
    int size = -1;
    if (selection instanceof IStructuredSelection) {
        fSelection = selection;
        IStructuredSelection sSelection = (IStructuredSelection) selection;
        size = sSelection.size();
        IExpressionManager manager = DebugPlugin.getDefault().getExpressionManager();
        Iterator iterator = sSelection.iterator();
        while (iterator.hasNext()) {
            IVariable variable = (IVariable) iterator.next();
            if (manager.hasWatchExpressionDelegate(variable.getModelIdentifier())) {
                enabled++;
            } else {
                break;
            }
        }
        if (enabled != size) {
            action.setEnabled(false);
        }
    } else if (selection instanceof ITextSelection) {
        fSelection = selection;
        ITextSelection tSelection = (ITextSelection) selection;
        if (tSelection.getLength() == 0) {
            action.setEnabled(false);
        }
    }
}

From source file:com.aptana.ide.debug.internal.ui.launchConfigurations.HttpServerSettingsTab.java

License:Open Source License

private void updatePage(IStructuredSelection selection) {
    fRemoveButton.setEnabled(!selection.isEmpty());
    fEditButton.setEnabled(selection.size() == 1);
}