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.google.dart.tools.ui.actions.CloseLibraryAction.java

License:Open Source License

private void handleSelectionChanged(IStructuredSelection selection) {
    this.selection = selection;
    if (selection == null || selection.isEmpty()) {
        setEnabled(false);/* www.  j  a va 2s.  co  m*/
    } else {
        for (Object object : selection.toList()) {
            if (!(object instanceof DartLibrary)) {
                setEnabled(false);
                return;
            }
        }
        setEnabled(true);
    }
}

From source file:com.google.dart.tools.ui.actions.FindAction.java

License:Open Source License

private boolean canOperateOn(IStructuredSelection sel) {
    return sel != null && !sel.isEmpty() && canOperateOn(getDartElement(sel, true));
}

From source file:com.google.dart.tools.ui.actions.GenerateDartdocAction.java

License:Open Source License

private void handleSelectionChanged(IStructuredSelection selection) {
    if (selection != null && !selection.isEmpty()) {
        selectedObject = selection.getFirstElement();
    } else {/*from   w  ww.  ja  va2 s.c o  m*/
        selectedObject = null;
    }
}

From source file:com.google.dart.tools.ui.actions.NewAppFromPackageAction.java

License:Open Source License

@Override
protected void doRun(IStructuredSelection selection, Event event, UIInstrumentationBuilder instrumentation) {
    if (!selection.isEmpty() && selection.getFirstElement() instanceof DartPackageNode_OLD) {
        DartPackageNode_OLD node = (DartPackageNode_OLD) selection.getFirstElement();
        openPackage(node.getFileStore());
    }//  ww w  .  j  a  v a2  s .  c om
}

From source file:com.google.dart.tools.ui.actions.OpenAction.java

License:Open Source License

private boolean checkEnabled(IStructuredSelection selection) {
    if (selection.isEmpty()) {
        return false;
    }//w  w  w  . ja v a 2 s .  c o m
    for (Iterator<?> iter = selection.iterator(); iter.hasNext();) {
        Object element = iter.next();
        if (element instanceof SourceReference) {
            continue;
        }
        if (element instanceof IFile) {
            continue;
        }
        if (DartModelUtil.isOpenableStorage(element)) {
            continue;
        }
        if (element instanceof HTMLFile) {
            continue;
        }
        return false;
    }
    return true;
}

From source file:com.google.dart.tools.ui.actions.OpenExternalDartdocAction_OLD.java

License:Open Source License

@Override
protected void doRun(IStructuredSelection selection, Event event, UIInstrumentationBuilder instrumentation) {
    if (selection == null || selection.isEmpty()) {
        return;//  w w w .j a  v a2 s .co  m
    }
    String libraryName = null;
    boolean browseSdkLibDocs = false;
    Object object = selection.getFirstElement();
    if (object instanceof IDartNode_OLD) {
        object = ((IDartNode_OLD) object).getFileStore();
    }
    if (object instanceof IFileStore) {
        IFileStore fileStore = (IFileStore) object;
        try {
            object = fileStore.toLocalFile(0, null);
        } catch (CoreException e) {
            DartCore.logError("Failed to convert to local file", e);
        }
    }
    if (object instanceof File) {
        IPath path = new Path(((File) object).getAbsolutePath());
        File sdkLibDir = DartSdkManager.getManager().getSdk().getLibraryDirectory();
        IPath sdkLibPath = new Path(sdkLibDir.getAbsolutePath());
        if (sdkLibPath.equals(path)) {
            browseSdkLibDocs = true;
        } else if (sdkLibPath.isPrefixOf(path)) {
            libraryName = "dart:" + path.segment(sdkLibPath.segmentCount());
        }
    }
    if (libraryName != null || browseSdkLibDocs) {
        browseDartDoc(libraryName, null, instrumentation);
    }
}

From source file:com.google.dart.tools.ui.actions.RunInBrowserAction.java

License:Open Source License

private void handleSelectionChanged(IStructuredSelection selection) {
    if (selection != null && !selection.isEmpty()) {
        selectedObject = selection.getFirstElement();

        setEnabled(true);//from  w  w  w  .  ja va2s. c  o m
    } else {
        selectedObject = null;

        setEnabled(false);
    }
}

From source file:com.google.dart.tools.ui.actions.RunPubAction.java

License:Open Source License

@Override
public void run(IStructuredSelection selection) {
    if (!selection.isEmpty() && selection.getFirstElement() instanceof IResource) {
        Object object = selection.getFirstElement();
        if (object instanceof IFile) {
            object = ((IFile) object).getParent();
        }//from   w  w w .  j  a  v a 2  s  .  com
        runPubJob((IResource) object);
    } else {
        MessageDialog.openError(getShell(), ActionMessages.RunPubAction_fail,
                ActionMessages.RunPubAction_fileNotFound);
    }
}

From source file:com.google.dart.tools.ui.actions.RunScriptAction.java

License:Open Source License

@Override
protected void doRun(IStructuredSelection selection, Event event, UIInstrumentationBuilder instrumentation) {

    String scriptName = getScript(event.keyCode);
    if (scriptName != null && !scriptName.isEmpty()) {
        instrumentation.metric("Running script ", scriptName);

        if (!selection.isEmpty() && selection.getFirstElement() instanceof IResource) {
            IResource res = (IResource) selection.getFirstElement();
            new RunScriptJob(res, scriptName).schedule();
        } else {/*from ww  w . jav a 2  s. c  o m*/
            new RunScriptJob(null, scriptName).schedule();
        }
    }
}

From source file:com.google.dart.tools.ui.callhierarchy.OpenLocationAction.java

License:Open Source License

private boolean checkEnabled(IStructuredSelection selection) {
    if (selection.isEmpty()) {
        return false;
    }/*from   ww w.java 2s .co m*/

    for (Iterator<?> iter = selection.iterator(); iter.hasNext();) {
        Object element = iter.next();

        if (element instanceof MethodWrapper) {
            continue;
        } else if (element instanceof CallLocation) {
            continue;
        }

        return false;
    }

    return true;
}