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:ca.uwaterloo.gp.fmp.presentation.FmpEditor.java

License:Open Source License

/**
 * This implements {@link org.eclipse.jface.action.IMenuListener} to help fill the context menus with contributions from the Edit menu.
 * <!-- begin-user-doc -->/*from   w  w  w .  jav  a  2 s . c  o m*/
 * Michal: add Go Into, Go Back and Go Home actions to the menu
 * Add expand subtree action
 * <!-- end-user-doc -->
 * @generated NOT
 */
public void menuAboutToShow(IMenuManager menuManager) {
    menuAboutToShowGen(menuManager);
    if (getActivePage() == 0)
        drillDownAdapter.addNavigationActions(menuManager);
    /**
     * Michal: this add an action to fully expand a subtree of a node 
     */
    if (editorSelection instanceof IStructuredSelection) {
        IStructuredSelection selection = (IStructuredSelection) editorSelection;
        Object object = selection.getFirstElement();
        if (object instanceof Node && ((Node) object).getChildren().size() > 0) {
            menuManager.insertAfter("additions", new ExpandSubtreeAction(object, currentViewer));
        }
    }
}

---

From source file:ca.uwaterloo.gp.fmp.system.drillDown.FmpDrillDownAdapter.java

License:Open Source License

/**
 * Returns whether "go into" is possible for child tree.  This is only possible 
 * if the current selection in the client has one item and it has children.
 *
 * @return <code>true</code> if "go into" is possible; <code>false</code> otherwise
 *///ww  w  . ja  v  a  2  s  . c o  m
public boolean canGoInto() {
    IStructuredSelection oSelection = (IStructuredSelection) fChildTree.getSelection();
    if (oSelection == null || oSelection.size() != 1)
        return false;
    Object anElement = oSelection.getFirstElement();
    return (RoleQuery.INSTANCE.getNodeType((Node) anElement) == RoleQuery.ROOT_FEATURE);
}

---

From source file:ca.uwaterloo.gp.fmp.system.drillDown.FmpDrillDownAdapter.java

License:Open Source License

/**
 * Sets the input for the tree to the current selection.
 * <p>//from w  w w.  j ava  2  s  .c  o m
 * The current input and expansion state are saved in a frame and added to the 
 * drill stack.  Then the input for the tree is changed to be the current selection.  
 * The expansion state for the tree is maintained during the operation.
 * </p><p>
 * On return the client may revert back to the previous state by invoking 
 * <code>goBack</code> or <code>goHome</code>.
 * </p>
 */
public void goInto() {
    IStructuredSelection sel = (IStructuredSelection) fChildTree.getSelection();
    Object element = sel.getFirstElement();
    if (RoleQuery.INSTANCE.getNodeType((Node) element) == RoleQuery.ROOT_FEATURE) {
        Feature selected = (Feature) element;

        ProxyItemProvider root = new ProxyItemProvider(adapterFactory, selected.eContainer(), selected);
        goInto(root);
    }
}

---

From source file:cane.brothers.e4.commander.part.DynamicTab.java

License:Open Source License

@Override
public void selectionChanged(SelectionChangedEvent event) {
    Object prevSelection = selectionService.getSelection();
    if (log.isDebugEnabled()) {
        log.debug("Prev selection is {}", prevSelection); //$NON-NLS-1$
    }/*from  w w  w  .ja  v  a2 s  .co m*/

    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    boolean hasSelection = selection != null && selection.isEmpty() == false;

    if (hasSelection) {
        Object firstElement = selection.getFirstElement();
        if (log.isDebugEnabled()) {
            log.debug("Current selection is {}", firstElement); //$NON-NLS-1$
        }

        // set the selection to the service
        selectionService.setSelection(firstElement);

        if (log.isDebugEnabled()) {
            log.debug("Selection changed:"); //$NON-NLS-1$
        }

        // trace selected objects
        for (Object sel : selection.toArray()) {
            if (sel instanceof PathFixture) {
                PathFixture fixture = (PathFixture) sel;
                if (log.isDebugEnabled()) {
                    log.debug("   " + fixture); //$NON-NLS-1$
                }
            }
        }
    }
}

---

From source file:carisma.modeltype.bpmn2.popup.ConvertEmfAction.java

License:Open Source License

/**
 * @see IActionDelegate#selectionChanged(IAction, ISelection)
 *//*from w  w  w .  j av  a2s.c  o  m*/
@Override
public void selectionChanged(final IAction action, final ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        this.selectedFile = (IFile) structuredSelection.getFirstElement();
    }
}

---

From source file:carisma.ui.eclipse.editors.AdfEditorCheckDetailsPage.java

License:Open Source License

@Override
public final void selectionChanged(final IFormPart part, final ISelection selection) {
    if (selection != null && !selection.isEmpty()) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() == 1) {
            this.input = (CheckReference) ssel.getFirstElement();
            if (this.descriptionSection != null) {
                this.descriptionSection.dispose();
            }//from w w  w . java 2  s .  c om
            if (this.parameterSection != null) {
                this.parameterSection.dispose();
            }
            createDescriptionSection(this.input);
            createParameterSection(this.input);
            this.parentComposite.layout(); // refresh
        }
    } else {
        createDescriptionSection(null);
    }
}

---

From source file:carisma.ui.eclipse.popup.actions.RunAnalysisAction.java

License:Open Source License

@Override
public final void selectionChanged(final IAction action, final ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        this.selectedFile = (IFile) structuredSelection.getFirstElement();
    }/*  w  ww. j  a v a 2 s.  co m*/

}

---

From source file:carisma.ui.eclipse.popup.actions.RunAnalysisAction.java

License:Open Source License

/**
 * Selection in Project navigator, not in editor. 
 * @return true, if an resource was selected
 *//*w w w .  j a  v a2s  .com*/
public final boolean initSelectionByService() {
    try {
        IWorkbenchWindow ww = org.eclipse.ui.PlatformUI.getWorkbench().getActiveWorkbenchWindow();
        ISelection selection = ww.getSelectionService().getSelection();
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        this.selectedFile = (IFile) structuredSelection.getFirstElement();

        return true;

    } catch (NullPointerException npe) {
        Logger.log(LogLevel.INFO, "No resource selected");
    }
    return false;
}

---

From source file:cc.warlock.rcp.prefs.HighlightStringsPreferencePage.java

License:Open Source License

private void createStringsTable(Composite main) {
    Group stringsGroup = new Group(main, SWT.NONE);
    stringsGroup.setLayout(new GridLayout(2, false));
    stringsGroup.setText(getDisplayName());
    stringsGroup.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false));

    Composite filterComposite = new Composite(stringsGroup, SWT.NONE);
    GridLayout layout = new GridLayout(2, false);
    layout.marginWidth = layout.marginHeight = 0;
    filterComposite.setLayout(layout);/*from   w  w  w  . j  av  a 2s.  c  o  m*/
    filterComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

    new Label(filterComposite, SWT.NONE).setText("Filter: ");
    filterText = new Text(filterComposite, SWT.BORDER);
    filterText.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            stringTable.refresh();
        }
    });
    filterText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    new Label(stringsGroup, SWT.NONE);

    try {
        WarlockPreferencesScope.getInstance().getNode().sync();
    } catch (BackingStoreException e) {
        e.printStackTrace();
    }

    stringTable = new TableViewer(stringsGroup, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL);
    TableColumn column = new TableColumn(stringTable.getTable(), SWT.NONE, 0);
    column.setWidth(400);

    stringTable.setUseHashlookup(true);
    stringTable.setColumnProperties(new String[] { "highlightString" });

    CellEditor editors[] = new CellEditor[] { new TextCellEditor(stringTable.getTable()) };

    stringTable.setCellEditors(editors);
    stringTable.setCellModifier(new ICellModifier() {
        public boolean canModify(Object element, String property) {
            return true;
        }

        public Object getValue(Object element, String property) {
            return ((PatternSetting) element).getText();
        }

        public void modify(Object element, String property, Object value) {
            TableItem item = (TableItem) element;
            PatternSetting string = (PatternSetting) item.getData();
            String pattern = ((String) value).trim();

            try {
                string.setText(pattern);
            } catch (PatternSyntaxException e) {
                e.printStackTrace();
            }
            stringTable.refresh(string);
        }
    });

    stringTable.addFilter(new ViewerFilter() {
        public boolean select(Viewer viewer, Object parentElement, Object element) {

            PatternSetting string = (PatternSetting) element;
            String str = string.getText();

            if (str.equals(""))
                return true;

            return (str.toLowerCase().contains(filterText.getText().toLowerCase()));
        }
    });

    stringTable.setLabelProvider(new StringsLabelProvider());
    stringTable.setContentProvider(ArrayContentProvider.getInstance());

    int listHeight = stringTable.getTable().getItemHeight() * 8;
    Rectangle trim = stringTable.getTable().computeTrim(0, 0, 0, listHeight);
    GridData data = new GridData(GridData.FILL, GridData.FILL, true, true);
    data.heightHint = trim.height;
    stringTable.getTable().setLayoutData(data);

    stringTable.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            PatternSetting string = (PatternSetting) selection.getFirstElement();

            if (string != selectedString) {
                stringTable.cancelEditing();
            }

            highlightStringSelected(string);
        }
    });

    Composite buttonsComposite = new Composite(stringsGroup, SWT.NONE);
    buttonsComposite.setLayout(new GridLayout(1, true));
    buttonsComposite.setLayoutData(new GridData(GridData.CENTER, GridData.BEGINNING, true, true));

    addString = createButton(buttonsComposite, "Add", SWT.LEFT | SWT.PUSH);
    addString.setImage(WarlockSharedImages.getImage(WarlockSharedImages.IMG_ADD));
    addString.setLayoutData(new GridData(GridData.FILL_BOTH));

    removeString = createButton(buttonsComposite, "Remove", SWT.LEFT | SWT.PUSH);
    removeString.setImage(WarlockSharedImages.getImage(WarlockSharedImages.IMG_REMOVE));
    removeString.setEnabled(false);
}

---

From source file:cc.warlock.rcp.prefs.ScriptingPreferencePage.java

License:Open Source License

protected void removeDirectoryClicked() {
    IStructuredSelection selection = (IStructuredSelection) scriptDirectories.getSelection();
    DirectorySetting directory = (DirectorySetting) selection.getFirstElement();

    ScriptConfiguration.instance().getScriptDirectoryConfiguration().removeSetting(directory);
    scriptDirectories.remove(directory);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »