Example usage for org.eclipse.jface.viewers ISelectionProvider getSelection

List of usage examples for org.eclipse.jface.viewers ISelectionProvider getSelection

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ISelectionProvider getSelection.

Prototype

public ISelection getSelection();

Source Link

Document

Returns the current selection for this provider.

Usage

From source file:at.spardat.xma.guidesign.presentation.action.GuidesignActionBarContributor.java

License:Open Source License

/**
 * the sense of this override of the superclass method is to remove
 * undo/redo from the global actions// w w  w  .  ja va  2 s.com
 */
public void update() {
    ISelectionProvider selectionProvider = activeEditor instanceof ISelectionProvider
            ? (ISelectionProvider) activeEditor
            : activeEditor.getEditorSite().getSelectionProvider();
    ISelection selection = selectionProvider.getSelection();
    IStructuredSelection structuredSelection = selection instanceof IStructuredSelection
            ? (IStructuredSelection) selection
            : StructuredSelection.EMPTY;

    deleteAction.updateSelection(structuredSelection);
    cutAction.updateSelection(structuredSelection);
    copyAction.updateSelection(structuredSelection);
    pasteAction.updateSelection(structuredSelection);
    //undoAction.update();
    //redoAction.update();
}

From source file:cideplus.ui.astview.ASTView.java

License:Open Source License

protected void performLinkWithEditor() {
    fDoLinkWithEditor = fLinkWithEditor.isChecked();
    fDialogSettings.put(SETTINGS_LINK_WITH_EDITOR, fDoLinkWithEditor);

    if (fDoLinkWithEditor && fEditor != null) {
        ISelectionProvider selectionProvider = fEditor.getSelectionProvider();
        if (selectionProvider != null) { // can be null when editor is closed
            doLinkWithEditor(selectionProvider.getSelection());
        }/*from www.  j a va 2 s .  c o  m*/
    }
}

From source file:cn.dockerfoundry.ide.eclipse.server.ui.internal.actions.BaseCommandHandler.java

License:Open Source License

protected void initializeSelection(ExecutionEvent event) throws ExecutionException {
    IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
    if (activePart != null) {
        partSite = activePart.getSite();
        if (partSite != null) {
            ISelectionProvider selectionProvider = partSite.getSelectionProvider();
            if (selectionProvider != null) {
                ISelection selection = selectionProvider.getSelection();
                if (selection instanceof IStructuredSelection) {
                    Object obj = ((IStructuredSelection) selection).getFirstElement();
                    if (obj instanceof IServer) {
                        this.selectedServer = (IServer) obj;
                    } else if (obj instanceof IServerModule) {
                        IServerModule sm = (IServerModule) obj;
                        IModule[] module = sm.getModule();
                        this.selectedModule = module[module.length - 1];
                        if (this.selectedModule != null) {
                            this.selectedServer = sm.getServer();
                        }/*  ww  w. j ava  2s. co  m*/
                    }
                }
            } else {
                logSelectionDetectionFailure();
            }
        } else {
            logSelectionDetectionFailure();
        }
    } else {
        logSelectionDetectionFailure();
    }
}

From source file:cn.dockerfoundry.ide.eclipse.server.ui.internal.CloudUiUtil.java

License:Open Source License

/**
 * If the Servers view is available and it contains a selection, the
 * corresponding structured selection is returned. In any other case,
 * including the Servers view being unavailable, either because it is not
 * installed or it is closed, null is returned.
 * @return structured selection in the Servers view, if the Servers view is
 * open and available, or null otherwise
 */// ww w  . j  av a2  s . co  m
public static IStructuredSelection getServersViewSelection() {

    IViewRegistry registry = PlatformUI.getWorkbench().getViewRegistry();
    String serversViewID = SERVERS_VIEW_ID;

    // fast check to verify that the servers View is available.
    IViewDescriptor serversViewDescriptor = registry.find(serversViewID);
    if (serversViewDescriptor != null) {

        // Granular null checks required as any of the workbench components
        // may not be available at some given point in time (e.g., during
        // start/shutdown)
        IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

        if (activeWorkbenchWindow != null) {

            IWorkbenchPage activePage = activeWorkbenchWindow.getActivePage();

            if (activePage != null) {
                IViewReference[] references = activePage.getViewReferences();

                if (references != null) {
                    IViewPart serversViewPart = null;
                    for (IViewReference reference : references) {
                        if (serversViewID.equals(reference.getId())) {
                            serversViewPart = reference.getView(true);
                            break;
                        }
                    }

                    if (serversViewPart != null) {

                        IViewSite viewSite = serversViewPart.getViewSite();
                        if (viewSite != null) {
                            ISelectionProvider selectionProvider = viewSite.getSelectionProvider();
                            if (selectionProvider != null) {
                                ISelection selection = selectionProvider.getSelection();
                                if (selection instanceof IStructuredSelection) {
                                    return (IStructuredSelection) selection;
                                }
                            }
                        }
                    }
                }
            }
        }

    }
    return null;
}

From source file:coloredide.astview.ASTView.java

License:Open Source License

protected void performLinkWithEditor() {
    fDoLinkWithEditor = fLinkWithEditor.isChecked();
    fDialogSettings.put(SETTINGS_LINK_WITH_EDITOR, fDoLinkWithEditor);

    if (fDoLinkWithEditor && fEditor != null) {
        ISelectionProvider selectionProvider = fEditor.getSelectionProvider();
        if (selectionProvider != null) { // can be null when editor is
            // closed
            doLinkWithEditor(selectionProvider.getSelection());
        }/*from  ww  w .  j  a v a 2  s. c  o m*/
    }
}

From source file:com.android.ide.eclipse.adt.internal.editors.layout.gle2.SelectionManager.java

License:Open Source License

/**
 * Syncs the current selection to the outline, synchronously.
 *///from  w  w w .  ja v  a 2s  .c  o  m
public void syncOutlineSelection() {
    OutlinePage outlinePage = mCanvas.getOutlinePage();
    IWorkbenchPartSite site = outlinePage.getEditor().getSite();
    ISelectionProvider selectionProvider = site.getSelectionProvider();
    ISelection selection = selectionProvider.getSelection();
    if (selection != null) {
        outlinePage.setSelection(selection);
    }
}

From source file:com.android.ide.eclipse.adt.internal.editors.layout.refactoring.RefactoringAssistant.java

License:Open Source License

@Override
public ICompletionProposal[] computeQuickAssistProposals(IQuickAssistInvocationContext invocationContext) {

    ISourceViewer sourceViewer = invocationContext.getSourceViewer();
    AndroidXmlEditor xmlEditor = AndroidXmlEditor.fromTextViewer(sourceViewer);
    if (xmlEditor == null) {
        return null;
    }/*from www  .ja  va2  s .c  om*/

    IFile file = xmlEditor.getInputFile();
    if (file == null) {
        return null;
    }
    int offset = invocationContext.getOffset();

    // Ensure that we are over a tag name (for element-based refactoring
    // operations) or a value (for the extract include refactoring)

    boolean isValue = false;
    boolean isReferenceValue = false;
    boolean isTagName = false;
    boolean isAttributeName = false;
    boolean isStylableAttribute = false;
    ResourceUrl resource = null;
    IStructuredModel model = null;
    try {
        model = xmlEditor.getModelForRead();
        IStructuredDocument doc = model.getStructuredDocument();
        IStructuredDocumentRegion region = doc.getRegionAtCharacterOffset(offset);
        ITextRegion subRegion = region.getRegionAtCharacterOffset(offset);
        if (subRegion != null) {
            String type = subRegion.getType();
            if (type.equals(DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)) {
                String value = region.getText(subRegion);
                // Only extract values that aren't already resources
                // (and value includes leading ' or ")
                isValue = true;
                if (value.startsWith("'@") || value.startsWith("\"@")) { //$NON-NLS-1$ //$NON-NLS-2$
                    isReferenceValue = true;
                    resource = RenameResourceXmlTextAction.findResource(doc, offset);
                }
            } else if (type.equals(DOMRegionContext.XML_TAG_NAME) || type.equals(DOMRegionContext.XML_TAG_OPEN)
                    || type.equals(DOMRegionContext.XML_TAG_CLOSE)) {
                isTagName = true;
            } else if (type.equals(DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)) {
                isAttributeName = true;
                String name = region.getText(subRegion);
                int index = name.indexOf(':');
                if (index != -1) {
                    name = name.substring(index + 1);
                }
                isStylableAttribute = ExtractStyleRefactoring.isStylableAttribute(name);
            } else if (type.equals(DOMRegionContext.XML_TAG_ATTRIBUTE_EQUALS)) {
                // On the edge of an attribute name and an attribute value
                isAttributeName = true;
                isStylableAttribute = true;
            } else if (type.equals(DOMRegionContext.XML_CONTENT)) {
                resource = RenameResourceXmlTextAction.findResource(doc, offset);
            }
        }
    } finally {
        if (model != null) {
            model.releaseFromRead();
        }
    }

    List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>();
    if (isTagName || isAttributeName || isValue || resource != null) {
        StructuredTextEditor structuredEditor = xmlEditor.getStructuredTextEditor();
        ISelectionProvider provider = structuredEditor.getSelectionProvider();
        ISelection selection = provider.getSelection();
        if (selection instanceof ITextSelection) {
            ITextSelection textSelection = (ITextSelection) selection;

            ITextSelection originalSelection = textSelection;

            // Most of the visual refactorings do not work on text ranges
            // ...except for Extract Style where the actual attributes overlapping
            // the selection is going to be the set of eligible attributes
            boolean selectionOkay = false;

            if (textSelection.getLength() == 0 && !isValue) {
                selectionOkay = true;
                ISourceViewer textViewer = xmlEditor.getStructuredSourceViewer();
                int caretOffset = textViewer.getTextWidget().getCaretOffset();
                if (caretOffset >= 0) {
                    Node node = DomUtilities.getNode(textViewer.getDocument(), caretOffset);
                    if (node instanceof IndexedRegion) {
                        IndexedRegion region = (IndexedRegion) node;
                        int startOffset = region.getStartOffset();
                        int length = region.getEndOffset() - region.getStartOffset();
                        textSelection = new TextSelection(startOffset, length);
                    }
                }
            }

            if (isValue && !isReferenceValue) {
                proposals.add(new RefactoringProposal(xmlEditor,
                        new ExtractStringRefactoring(file, xmlEditor, textSelection)));
            } else if (resource != null) {
                RenameResourceProcessor processor = new RenameResourceProcessor(file.getProject(),
                        resource.type, resource.name, null);
                RenameRefactoring refactoring = new RenameRefactoring(processor);
                proposals.add(new RefactoringProposal(xmlEditor, refactoring));
            }

            LayoutEditorDelegate delegate = LayoutEditorDelegate.fromEditor(xmlEditor);
            if (delegate != null) {
                boolean showStyleFirst = isValue || (isAttributeName && isStylableAttribute);
                if (showStyleFirst) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ExtractStyleRefactoring(file, delegate, originalSelection, null)));
                }

                if (selectionOkay) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new WrapInRefactoring(file, delegate, textSelection, null)));
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new UnwrapRefactoring(file, delegate, textSelection, null)));
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ChangeViewRefactoring(file, delegate, textSelection, null)));
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ChangeLayoutRefactoring(file, delegate, textSelection, null)));
                }

                // Extract Include must always have an actual block to be extracted
                if (textSelection.getLength() > 0) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ExtractIncludeRefactoring(file, delegate, textSelection, null)));
                }

                // If it's not a value or attribute name, don't place it on top
                if (!showStyleFirst) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ExtractStyleRefactoring(file, delegate, originalSelection, null)));
                }
            }
        }
    }

    if (proposals.size() == 0) {
        return null;
    } else {
        return proposals.toArray(new ICompletionProposal[proposals.size()]);
    }
}

From source file:com.android.ide.eclipse.adt.internal.refactorings.core.RenameResourceXmlTextAction.java

License:Open Source License

private ITextSelection getSelection() {
    ISelectionProvider selectionProvider = mEditor.getSelectionProvider();
    if (selectionProvider == null) {
        return null;
    }/*from   w  ww. j av  a  2s  .co  m*/
    ISelection selection = selectionProvider.getSelection();
    if (!(selection instanceof ITextSelection)) {
        return null;
    }
    return (ITextSelection) selection;
}

From source file:com.android.ide.eclipse.auidt.internal.editors.layout.refactoring.RefactoringAssistant.java

License:Open Source License

@Override
public ICompletionProposal[] computeQuickAssistProposals(IQuickAssistInvocationContext invocationContext) {

    ISourceViewer sourceViewer = invocationContext.getSourceViewer();
    AndroidXmlEditor xmlEditor = AndroidXmlEditor.fromTextViewer(sourceViewer);
    if (xmlEditor == null) {
        return null;
    }/*www. jav  a 2 s .  c  o  m*/

    IFile file = xmlEditor.getInputFile();
    if (file == null) {
        return null;
    }
    int offset = invocationContext.getOffset();

    // Ensure that we are over a tag name (for element-based refactoring
    // operations) or a value (for the extract include refactoring)

    boolean isValue = false;
    boolean isReferenceValue = false;
    boolean isTagName = false;
    boolean isAttributeName = false;
    boolean isStylableAttribute = false;
    IStructuredModel model = null;
    try {
        model = xmlEditor.getModelForRead();
        IStructuredDocument doc = model.getStructuredDocument();
        IStructuredDocumentRegion region = doc.getRegionAtCharacterOffset(offset);
        ITextRegion subRegion = region.getRegionAtCharacterOffset(offset);
        if (subRegion != null) {
            String type = subRegion.getType();
            if (type.equals(DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)) {
                String value = region.getText(subRegion);
                // Only extract values that aren't already resources
                // (and value includes leading ' or ")
                isValue = true;
                if (value.startsWith("'@") || value.startsWith("\"@")) { //$NON-NLS-1$ //$NON-NLS-2$
                    isReferenceValue = true;
                }
            } else if (type.equals(DOMRegionContext.XML_TAG_NAME) || type.equals(DOMRegionContext.XML_TAG_OPEN)
                    || type.equals(DOMRegionContext.XML_TAG_CLOSE)) {
                isTagName = true;
            } else if (type.equals(DOMRegionContext.XML_TAG_ATTRIBUTE_NAME)) {
                isAttributeName = true;
                String name = region.getText(subRegion);
                int index = name.indexOf(':');
                if (index != -1) {
                    name = name.substring(index + 1);
                }
                isStylableAttribute = ExtractStyleRefactoring.isStylableAttribute(name);
            } else if (type.equals(DOMRegionContext.XML_TAG_ATTRIBUTE_EQUALS)) {
                // On the edge of an attribute name and an attribute value
                isAttributeName = true;
                isStylableAttribute = true;
            }
        }
    } finally {
        if (model != null) {
            model.releaseFromRead();
        }
    }

    List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>();
    if (isTagName || isAttributeName || isValue) {
        StructuredTextEditor structuredEditor = xmlEditor.getStructuredTextEditor();
        ISelectionProvider provider = structuredEditor.getSelectionProvider();
        ISelection selection = provider.getSelection();
        if (selection instanceof ITextSelection) {
            ITextSelection textSelection = (ITextSelection) selection;

            ITextSelection originalSelection = textSelection;

            // Most of the visual refactorings do not work on text ranges
            // ...except for Extract Style where the actual attributes overlapping
            // the selection is going to be the set of eligible attributes
            boolean selectionOkay = false;

            if (textSelection.getLength() == 0 && !isValue) {
                selectionOkay = true;
                ISourceViewer textViewer = xmlEditor.getStructuredSourceViewer();
                int caretOffset = textViewer.getTextWidget().getCaretOffset();
                if (caretOffset >= 0) {
                    Node node = DomUtilities.getNode(textViewer.getDocument(), caretOffset);
                    if (node instanceof IndexedRegion) {
                        IndexedRegion region = (IndexedRegion) node;
                        int startOffset = region.getStartOffset();
                        int length = region.getEndOffset() - region.getStartOffset();
                        textSelection = new TextSelection(startOffset, length);
                    }
                }
            }

            if (isValue && !isReferenceValue) {
                proposals.add(new RefactoringProposal(xmlEditor,
                        new ExtractStringRefactoring(file, xmlEditor, textSelection)));
            }

            LayoutEditorDelegate delegate = LayoutEditorDelegate.fromEditor(xmlEditor);
            if (delegate != null) {
                boolean showStyleFirst = isValue || (isAttributeName && isStylableAttribute);
                if (showStyleFirst) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ExtractStyleRefactoring(file, delegate, originalSelection, null)));
                }

                if (selectionOkay) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new WrapInRefactoring(file, delegate, textSelection, null)));
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new UnwrapRefactoring(file, delegate, textSelection, null)));
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ChangeViewRefactoring(file, delegate, textSelection, null)));
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ChangeLayoutRefactoring(file, delegate, textSelection, null)));
                }

                // Extract Include must always have an actual block to be extracted
                if (textSelection.getLength() > 0) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ExtractIncludeRefactoring(file, delegate, textSelection, null)));
                }

                // If it's not a value or attribute name, don't place it on top
                if (!showStyleFirst) {
                    proposals.add(new RefactoringProposal(xmlEditor,
                            new ExtractStyleRefactoring(file, delegate, originalSelection, null)));
                }
            }
        }
    }

    if (proposals.size() == 0) {
        return null;
    } else {
        return proposals.toArray(new ICompletionProposal[proposals.size()]);
    }
}

From source file:com.aptana.editor.common.CommonOccurrencesUpdater.java

License:Open Source License

public void propertyChange(PropertyChangeEvent event) {
    final String property = event.getProperty();

    if (IPreferenceConstants.EDITOR_MARK_OCCURRENCES.equals(property)) {
        boolean newBooleanValue = false;
        Object newValue = event.getNewValue();

        if (newValue != null) {
            newBooleanValue = Boolean.valueOf(newValue.toString()).booleanValue();
        }/* w w w .ja va 2s .co  m*/

        if (newBooleanValue) {
            install();
        } else {
            uninstall();
        }

        // force update
        if (editor != null) {
            ISelectionProvider selectionProvider = editor.getSelectionProvider();

            if (selectionProvider != null) {
                updateAnnotations(selectionProvider.getSelection());
            }
        }
    }
}