Example usage for org.eclipse.jface.viewers StructuredSelection isEmpty

List of usage examples for org.eclipse.jface.viewers StructuredSelection isEmpty

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  6. isEmpty

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers StructuredSelection isEmpty.

Prototype

@Override
    public boolean isEmpty()

Source Link

Usage

From source file:org.eclipse.edt.ide.ui.internal.editor.EGLEditor.java

License:Open Source License

public void doSelectionChanged(SelectionChangedEvent event) {
    int offset;/* www  . j  av  a  2  s . c o m*/
    int nodeLength;
    StructuredSelection selection = (StructuredSelection) event.getSelection();

    if (selection == null || selection.isEmpty())
        return;

    IEGLDocument document = (IEGLDocument) getDocumentProvider().getDocument(getEditorInput());

    if (document == null)
        return;

    // Use the 1st for selection (know it's not empty because of
    // test above) 
    Object selectedElement = selection.getFirstElement();
    if (selectedElement == null)
        return;

    if (selectedElement instanceof ImportGroup) {
        offset = ((ImportGroup) selectedElement).getOffset();
        nodeLength = ((ImportGroup) selectedElement).getLength();
    } else if (selectedElement instanceof ImportDeclaration || selectedElement instanceof PackageDeclaration) {
        offset = ((Node) selectedElement).getOffset();
        nodeLength = ((Node) selectedElement).getLength();
    } else {
        offset = ((Node) selectedElement).getOffset();
        nodeLength = ((Node) selectedElement).getLength();
    }

    try {
        editingScriptStarted();
        setSelection(offset, nodeLength);
        TreeViewer tv = (TreeViewer) event.getSource();
        ILabelProvider provider = (ILabelProvider) tv.getLabelProvider();
        IRegion region = ((OutlineLabelProvider) provider).getHighlightRange(selectedElement);
        if (region.getLength() != 0) {
            getSourceViewer().revealRange(region.getOffset(), region.getLength());
            getSourceViewer().setSelectedRange(region.getOffset(), region.getLength());
        }
    } finally {
        editingScriptEnded();
    }
}

From source file:org.eclipse.emf.ecoretools.legacy.tabbedproperties.sections.AbstractCollectionPropertySection.java

License:Open Source License

private void handleAddButtonSelected() {
    if (listElements.getSelection() instanceof StructuredSelection) {
        StructuredSelection selection = (StructuredSelection) listElements.getSelection();
        if (!selection.isEmpty()) {
            Iterator<?> iterator = selection.iterator();
            while (iterator.hasNext()) {
                executeAddCommand(iterator.next());
            }/*from   w w  w.j  av a2  s .c o m*/
        }
    }
}

From source file:org.eclipse.emf.ecoretools.legacy.tabbedproperties.sections.AbstractCollectionPropertySection.java

License:Open Source License

private void handleRemoveButtonSelected() {
    if (listMembers.getSelection() instanceof StructuredSelection) {
        StructuredSelection selection = (StructuredSelection) listMembers.getSelection();
        if (!selection.isEmpty()) {
            Iterator<?> iterator = selection.iterator();
            while (iterator.hasNext()) {
                executeRemoveCommand(iterator.next());
            }//w w w.ja  v a 2 s  .  co m
        }
    }
}

From source file:org.eclipse.emf.ecoretools.legacy.tabbedproperties.sections.AbstractCollectionPropertySection.java

License:Open Source License

private void executeMovement(boolean up) {
    if (listMembers.getSelection() instanceof StructuredSelection) {
        StructuredSelection selection = (StructuredSelection) listMembers.getSelection();
        if (!selection.isEmpty()) {
            EList<EObject> membersToMove = new BasicEList<EObject>();
            Iterator<?> iterator = selection.iterator();
            while (iterator.hasNext()) {
                membersToMove.add((EObject) iterator.next());
            }/*from  w ww  .  j a  v a  2  s  . c o m*/
            int[] indexes = new int[membersToMove.size()];
            for (int k = 0; k < indexes.length; k++) {
                indexes[k] = -1;
            }
            EList<EObject> members = getFeatureAsList();
            EList<EObject> movedMembers = moveMembers(members, membersToMove, up, indexes);
            if (!movedMembers.equals(members)) {
                executeEmptyListCommand();
                executeAddAllCommand(movedMembers);
                listMembers.getTable().setSelection(indexes);
            }
        }
    }
    return;
}

From source file:org.eclipse.emf.eef.runtime.ui.widgets.AdvancedEObjectFlatComboViewer.java

License:Open Source License

public void setSelection(ISelection selection) {
    if (selection instanceof StructuredSelection) {
        StructuredSelection structuredSelection = (StructuredSelection) selection;
        if (!structuredSelection.isEmpty() && !"".equals(structuredSelection.getFirstElement())) {
            setSelection((EObject) structuredSelection.getFirstElement());
        } else {//w  w  w  .  ja  v  a2 s  .  co  m
            this.valueText.setText(UNDEFINED_VALUE);
            // this.parent.pack();
        }
    }
}

From source file:org.eclipse.emf.eef.runtime.ui.widgets.LinkEObjectFlatComboViewer.java

License:Open Source License

/** (non-Javadoc)
 * @see org.eclipse.emf.eef.runtime.ui.widgets.AbstractAdvancedEObjectFlatComboViewer#setSelection(org.eclipse.jface.viewers.ISelection)
 *//*from   ww w .j  a  v a 2s. c  o m*/
public void setSelection(ISelection selection) {
    if (selection instanceof StructuredSelection) {
        StructuredSelection structuredSelection = (StructuredSelection) selection;
        if (!structuredSelection.isEmpty() && !"".equals(structuredSelection.getFirstElement())) {
            setSelection((EObject) structuredSelection.getFirstElement());
        } else {
            this.valueLink.setText(UNDEFINED_VALUE);
        }
    }
}

From source file:org.eclipse.epf.authoring.ui.wizards.SynchronizationSelectConfigPage.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
 *///from  ww w.  j a  v a2  s . c  om
public void selectionChanged(SelectionChangedEvent event) {
    StructuredSelection selection = (StructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        Object[] config = selection.toArray();
        syncChoices.setSelectedConfig((MethodConfiguration) config[0]);
    }

    //      System.out.println("$$$ config =" + syncChoices.toString());
}

From source file:org.eclipse.epf.export.wizards.ExportConfigSelectConfigPage.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
 *///from w  w w . j  av a2 s.co m
public void selectionChanged(SelectionChangedEvent event) {
    StructuredSelection selection = (StructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        Object[] configs = selection.toArray();
        setDisplayAttributes((MethodConfiguration) configs[0]);
    }

}

From source file:org.eclipse.epf.export.wizards.ExportConfigSelectSpecsPage.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
 *///w  w  w.j a va  2s. c o m
public void selectionChanged(SelectionChangedEvent event) {
    StructuredSelection selection = (StructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        Object[] configs = selection.toArray();
        setDisplayAttributes((MethodConfiguration) configs[0]);
    }
}

From source file:org.eclipse.epf.export.wizards.PluginInfoPage.java

License:Open Source License

/**
 * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
 */// w ww  . j  a  va2  s  .  c  om
public void selectionChanged(SelectionChangedEvent event) {
    StructuredSelection selection = (StructuredSelection) event.getSelection();
    if (!selection.isEmpty()) {
        Object[] plugin = selection.toArray();
        displayRelatedInfo((MethodPlugin) plugin[0]);
    }

}