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.buildml.eclipse.wizards.ImportToBuildStorePage.java

License:Open Source License

/**
 * Create the widgets for this wizard's dialog box. All import dialogs require the
 * user to specify an "output" BuildML file (or select the name of a currently open
 * editor that contains such a file). However, each subclass must provide its own set of
 * input fields, depending on the goal of the import process (by overriding the 
 * createInputFields() method).//  w  ww  . j a  v  a 2s . c  o  m
 * 
 * @param parent The containing parent widget.
 */
@Override
public void createControl(Composite parent) {

    /* The top-level composite has three columns */
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout compositeLayout = new GridLayout(3, false);
    compositeLayout.marginWidth = 20;
    compositeLayout.marginHeight = 20;
    compositeLayout.verticalSpacing = 20;
    composite.setLayout(compositeLayout);

    /* page is not complete until the fields are valid */
    setPageComplete(false);

    /*
     * Show an introductory piece of text, providing instructions. This
     * label also forces the wizard box to be 33% of the screen width.
     */
    Label heading = new Label(composite, SWT.WRAP);
    GridData headingData = new GridData(SWT.FILL, SWT.CENTER, false, false, 3, 1);
    headingData.widthHint = Display.getCurrent().getClientArea().width / 3;
    heading.setLayoutData(headingData);
    heading.setText(instructions);

    /*
     * Provide a file input box, each subclass must provide its own set of input files,
     * depending on the purpose of the wizard. The createInputFields() method does
     * all of that work.
     */
    Group inputGroup = new Group(composite, SWT.NONE);
    inputGroup.setText("Import Source:");
    inputGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 3, 1));
    GridLayout inputGroupLayout = new GridLayout();
    inputGroupLayout.marginHeight = 10;
    inputGroupLayout.marginWidth = 10;
    inputGroup.setLayout(inputGroupLayout);
    createInputFields(inputGroup);

    /*
     * Select the destination BuildML file. Either by selecting an open editor from a combo box,
     * or by browsing for the .bml file.
     */
    Group outputGroup = new Group(composite, SWT.NONE);
    outputGroup.setText("Import Destination:");
    outputGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 3, 1));
    GridLayout outputGroupLayout = new GridLayout(2, false);
    outputGroupLayout.marginHeight = 10;
    outputGroupLayout.marginWidth = 10;
    outputGroup.setLayout(outputGroupLayout);

    /* Display list of open editors (if there are some) */
    final MainEditor openEditors[] = EclipsePartUtils.getOpenBmlEditors();
    boolean openEditorsExist = false;
    if ((openEditors != null) && (openEditors.length != 0)) {
        openEditorsExist = true;
        new Label(outputGroup, SWT.NONE).setText("Choose Open BuildML file:");
        bmlFileComboBox = new Combo(outputGroup, SWT.READ_ONLY | SWT.DROP_DOWN);
        bmlFileComboBox.add("");
        for (int i = 0; i < openEditors.length; i++) {
            String option = openEditors[i].getFile().toString();
            bmlFileComboBox.add(EclipsePartUtils.absoluteToWorkspaceRelativePath(option));
        }
        bmlFileComboBox.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

        /* 
         * When the user selects from the combo box, update the text field with the
         * workspace-relative path of the build.bml file.
         */
        bmlFileComboBox.addModifyListener(new ModifyListener() {
            @Override
            public void modifyText(ModifyEvent e) {
                int index = bmlFileComboBox.getSelectionIndex();
                if (index > 0) {
                    String absPath = openEditors[index - 1].getFile().toString();
                    String relPath = EclipsePartUtils.absoluteToWorkspaceRelativePath(absPath);
                    if (relPath == null) {
                        relPath = "";
                    }
                    outputFile.setStringValue(relPath);
                }
            }
        });
    }

    /* Or select the BuildML file via a file browser */
    Composite outputFileComposite = new Composite(outputGroup, SWT.NONE);
    outputFileComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
    outputFile = new WorkspaceFileSelectFieldEditor("outputFile",
            (openEditorsExist ? "or " : "") + "Browse BuildML Files: ", outputFileComposite,
            new String[] { "*.bml" });
    outputFile.getTextControl(outputFileComposite).addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            contentChanged();
        }
    });

    /*
     * If there was a .bml file selected when the "import" operation was initiated, select
     * that file as the default .bml file.
     */
    if (selection != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() == 1) {
            Object obj = ssel.getFirstElement();
            if (obj instanceof IFile) {
                IFile file = (IFile) obj;
                String relativePath = file.getFullPath().toString();
                if (relativePath.endsWith(".bml")) {
                    outputFile.setStringValue(relativePath);
                    if (bmlFileComboBox != null) {
                        bmlFileComboBox.setText(relativePath);
                    }
                }
            }
        }
    }

    /* done */
    setControl(composite);
}

---

From source file:com.buildml.eclipse.wizards.NewBmlFilePage.java

License:Open Source License

/**
 * Tests if the current workbench selection is a suitable container (project/folder) 
 * to use.//from   w  w  w .j a v  a 2 s.  c o  m
 */
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;
            if (obj instanceof IContainer)
                container = (IContainer) obj;
            else
                container = ((IResource) obj).getParent();
            containerText.setText(container.getFullPath().toString());
        }
    }
    fileText.setText("build.bml");
}

---

From source file:com.byterefinery.rmbench.actions.ForeignKeyAction.java

License:Open Source License

protected boolean calculateEnabled() {

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

    ISelection sel = (ISelection) getSelection();
    if (!(sel instanceof IStructuredSelection))
        return false;

    IStructuredSelection selection = (IStructuredSelection) sel;
    List<Column> columnGroup = new ArrayList<Column>(selection.size());

    for (Iterator<?> it = selection.iterator(); it.hasNext();) {
        Object selected = it.next();
        if (!(selected instanceof ColumnEditPart)) {
            return false;
        } else {
            Column column = ((ColumnEditPart) selected).getColumn();
            if (groupTable == null)
                groupTable = column.getTable();
            else if (groupTable != column.getTable()) {
                return false;
            }
            columnGroup.add(column);
        }
    }
    selectedColumnGroup = (Column[]) columnGroup.toArray(new Column[columnGroup.size()]);
    return true;
}

---

From source file:com.cea.papyrus.views.cpp.views.CppPanelView.java

License:Open Source License

public void selectionChanged(IWorkbenchPart part, ISelection selection) {

    IStructuredSelection sSelection = null;
    if (selection instanceof IStructuredSelection) {
        sSelection = (IStructuredSelection) selection;
    }//w  w w .  ja v a  2 s  . c  o m

    // exclude case of an empty selection which is not a Tree selection, since changing views provokes an
    // empty selection (selection gets lost, although same element remains selected)
    if ((selection != null) && (sSelection != null) && sSelection.isEmpty()) {
        return;
    }
    currentTarget = null;

    // No available selection: switch to default panel
    if ((sSelection == null) || (sSelection.size() != 1)) {
        switchUI();
        return;
    }

    // Retrieve selected object
    Object currentObject = sSelection.getFirstElement();
    // If the object is an edit part, try to get semantic bridge
    if (currentObject instanceof GraphicalEditPart) {
        GraphicalEditPart editPart = (GraphicalEditPart) currentObject;
        if (editPart.getModel() instanceof View) {
            View view = (View) editPart.getModel();
            if (view.getElement() instanceof Element) {
                currentObject = (Element) view.getElement();
            }
        }
    } else if (currentObject instanceof IAdaptable) {
        // modisco ModelElementItem supports IAdaptable (cleaner than cast / dependency with modisco)
        currentObject = ((IAdaptable) currentObject).getAdapter(EObject.class);
    }

    if (currentObject instanceof Element) {
        currentTarget = (Element) currentObject;
        switchUI();
    }
}

---

From source file:com.centurylink.mdw.plugin.designer.views.AutomatedTestActionGroup.java

License:Apache License

public boolean compareResultsApplies(IStructuredSelection selection) {
    if (selection.size() == 1) {
        if (selection.getFirstElement() instanceof AutomatedTestResults) {
            AutomatedTestResults expectedResults = (AutomatedTestResults) selection.getFirstElement();
            return expectedResults.getActualResults().exists();
        } else if (selection.getFirstElement() instanceof LegacyExpectedResults) {
            LegacyExpectedResults expectedResult = (LegacyExpectedResults) selection.getFirstElement();
            return !expectedResult.getTestCase().isRunning() && expectedResult.getActualResult().exists();
        }//from  ww w .  j av  a  2 s.  c om
    }
    return false;
}

---

From source file:com.centurylink.mdw.plugin.designer.views.AutomatedTestActionGroup.java

License:Apache License

public boolean formatMenuApplies(IStructuredSelection selection) {
    return selection.size() == 1 && selection.getFirstElement() instanceof AutomatedTestSuite;
}

---

From source file:com.centurylink.mdw.plugin.designer.views.AutomatedTestView.java

License:Apache License

public void handleSelectionChanged(IStructuredSelection selection) {
    String output = "";
    if (selection.size() == 1 && selection.getFirstElement() instanceof WorkflowElement) {
        selectedItem = (WorkflowElement) selection.getFirstElement();
        if (selectedItem instanceof AutomatedTestCase) {
            AutomatedTestCase testCase = (AutomatedTestCase) selectedItem;
            output = readFile(testCase.getOutputFile());
        } else if (selectedItem instanceof AutomatedTestResults) {
            AutomatedTestResults expectedResults = (AutomatedTestResults) selectedItem;
            output = "Results:\n-----------\n" + readFile(expectedResults.getActualResults());
        } else if (selectedItem instanceof LegacyExpectedResults) {
            LegacyExpectedResults expectedResult = (LegacyExpectedResults) selectedItem;
            output = "Results:\n-----------\n" + readFile(expectedResult.getActualResultFile());
        }//w  w  w  .j a  v a 2 s  . co m
    } else {
        selectedItem = null;
    }

    outputText.setText(output);
}

---

From source file:com.centurylink.mdw.plugin.designer.views.ProcessExplorerActionGroup.java

License:Apache License

public boolean showPropertiesApplies(IStructuredSelection selection) {
    if (selection.size() != 1)
        return false;

    Object element = selection.getFirstElement();
    if (!(element instanceof WorkflowElement))
        return false;
    if (element instanceof AutomatedTestCase)
        return !((AutomatedTestCase) element).isLegacy();
    if (element instanceof WorkflowProject || element instanceof WorkflowPackage
            || element instanceof WorkflowProcess || element instanceof ExternalEvent
            || element instanceof WorkflowAsset || element instanceof AutomatedTestCase) {
        return true;
    }//from  w ww. j  ava 2  s .c  om

    return false;
}

---

From source file:com.centurylink.mdw.plugin.designer.views.ProcessExplorerActionGroup.java

License:Apache License

public boolean incrementVersionApplies(IStructuredSelection selection) {
    if (selection.size() != 1)
        return false;
    if (!(selection.getFirstElement() instanceof WorkflowPackage))
        return false;

    WorkflowPackage packageVersion = (WorkflowPackage) selection.getFirstElement();
    if (packageVersion.isDefaultPackage() || packageVersion.isArchived()
            || !packageVersion.isUserAuthorized(UserRoleVO.ASSET_DESIGN))
        return false;

    return true;/*from  ww  w . ja  va 2s  . c  om*/
}

---

From source file:com.centurylink.mdw.plugin.designer.views.ProcessExplorerActionGroup.java

License:Apache License

public boolean setVersionApplies(IStructuredSelection selection) {
    if (selection.size() != 1)
        return false;
    if (!(selection.getFirstElement() instanceof WorkflowPackage))
        return false;

    WorkflowPackage packageVersion = (WorkflowPackage) selection.getFirstElement();
    if (packageVersion.isDefaultPackage() || packageVersion.isArchived()
            || !packageVersion.isUserAuthorized(UserRoleVO.ASSET_DESIGN))
        return false;

    return true;// w  w w. j a  v a 2s  .  c om
}

---

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