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https://github.com/eclipse-cdt/cdt
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Bugzilla 211487.
This commit is contained in:
Randy Rohrbach
parent
03d512d2ef
commit
94f0b1a811
2 changed files with 174 additions and 5 deletions
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@ -0,0 +1,50 @@
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/*******************************************************************************
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* Copyright (c) 2008 Wind River Systems and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Wind River Systems - initial API and implementation
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*******************************************************************************/
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package org.eclipse.dd.dsf.debug.internal.provisional.ui.viewmodel.register;
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import org.eclipse.dd.dsf.ui.viewmodel.AbstractVMProvider;
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import org.eclipse.dd.dsf.ui.viewmodel.datamodel.RootDMVMNode;
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import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementCompareRequest;
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import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoProvider;
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import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoRequest;
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@SuppressWarnings("restriction")
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public class RegisterRootDMVMNode extends RootDMVMNode implements IElementMementoProvider {
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/*
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* We are extending the ROOT VM node for the register view so we can provide Memento providers for the root
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* node. In the Register VM Provider we are returning a pseudo VMContext selection when the original input
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* is a StackFrame we return a selection which represents an Execution Context instead. This ensures that
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* the Register View does not collapse and redraw when going from frame to frame when stepping or just when
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* selecting within the view.
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*/
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public RegisterRootDMVMNode(AbstractVMProvider provider) {
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super(provider);
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoProvider#compareElements(org.eclipse.debug.internal.ui.viewers.model.provisional.IElementCompareRequest[])
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*/
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public void compareElements(IElementCompareRequest[] requests) {
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for ( IElementCompareRequest request : requests ) { request.done(); }
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoProvider#encodeElements(org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoRequest[])
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*/
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public void encodeElements(IElementMementoRequest[] requests) {
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for ( IElementMementoRequest request : requests ) { request.done(); }
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}
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}
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@ -10,20 +10,26 @@
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*******************************************************************************/
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package org.eclipse.dd.dsf.debug.internal.provisional.ui.viewmodel.register;
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import org.eclipse.dd.dsf.datamodel.DMContexts;
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import org.eclipse.dd.dsf.datamodel.IDMContext;
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import org.eclipse.dd.dsf.debug.internal.provisional.ui.viewmodel.numberformat.FormattedValuePreferenceStore;
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import org.eclipse.dd.dsf.debug.internal.provisional.ui.viewmodel.update.BreakpointHitUpdatePolicy;
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import org.eclipse.dd.dsf.debug.service.IRunControl.IExecutionDMContext;
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import org.eclipse.dd.dsf.debug.service.IRunControl.ISuspendedDMEvent;
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import org.eclipse.dd.dsf.debug.service.IStack.IFrameDMContext;
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import org.eclipse.dd.dsf.service.DsfSession;
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import org.eclipse.dd.dsf.ui.viewmodel.AbstractVMAdapter;
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import org.eclipse.dd.dsf.ui.viewmodel.AbstractVMContext;
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import org.eclipse.dd.dsf.ui.viewmodel.IRootVMNode;
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import org.eclipse.dd.dsf.ui.viewmodel.IVMNode;
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import org.eclipse.dd.dsf.ui.viewmodel.datamodel.AbstractDMVMProvider;
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import org.eclipse.dd.dsf.ui.viewmodel.datamodel.RootDMVMNode;
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import org.eclipse.dd.dsf.ui.viewmodel.datamodel.IDMVMContext;
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import org.eclipse.dd.dsf.ui.viewmodel.update.AutomaticUpdatePolicy;
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import org.eclipse.dd.dsf.ui.viewmodel.update.IVMUpdatePolicy;
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import org.eclipse.dd.dsf.ui.viewmodel.update.ManualUpdatePolicy;
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import org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentation;
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import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
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import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerInputUpdate;
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import org.eclipse.jface.util.IPropertyChangeListener;
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import org.eclipse.jface.util.PropertyChangeEvent;
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@ -50,7 +56,7 @@ public class RegisterVMProvider extends AbstractDMVMProvider
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/*
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* Create the top level node to deal with the root selection.
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*/
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IRootVMNode rootNode = new RootDMVMNode(this);
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IRootVMNode rootNode = new RegisterRootDMVMNode(this);
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/*
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* Create the Group nodes next. They represent the first level shown in the view.
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@ -76,37 +82,150 @@ public class RegisterVMProvider extends AbstractDMVMProvider
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setRootNode(rootNode);
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.dd.dsf.ui.viewmodel.update.AbstractCachingVMProvider#createUpdateModes()
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*/
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@Override
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protected IVMUpdatePolicy[] createUpdateModes() {
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return new IVMUpdatePolicy[] { new AutomaticUpdatePolicy(), new ManualUpdatePolicy(), new BreakpointHitUpdatePolicy() };
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.dd.dsf.ui.viewmodel.datamodel.AbstractDMVMProvider#dispose()
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*/
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@Override
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public void dispose() {
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getPresentationContext().removePropertyChangeListener(this);
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super.dispose();
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.dd.dsf.ui.viewmodel.AbstractVMProvider#createColumnPresentation(org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.Object)
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*/
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@Override
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public IColumnPresentation createColumnPresentation(IPresentationContext context, Object element) {
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return new RegisterColumnPresentation();
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.dd.dsf.ui.viewmodel.AbstractVMProvider#getColumnPresentationId(org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, java.lang.Object)
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*/
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@Override
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public String getColumnPresentationId(IPresentationContext context, Object element) {
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return RegisterColumnPresentation.ID;
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
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*/
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public void propertyChange(PropertyChangeEvent event) {
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handleEvent(event);
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.dd.dsf.ui.viewmodel.AbstractVMProvider#canSkipHandlingEvent(java.lang.Object, java.lang.Object)
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*/
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@Override
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protected boolean canSkipHandlingEvent(Object newEvent, Object eventToSkip) {
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// To optimize the performance of the view when stepping rapidly, skip all
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// other events when a suspended event is received, including older suspended
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// events.
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/*
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* To optimize the performance of the view when stepping rapidly, skip all
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* other events when a suspended event is received, including older suspended
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* events.
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*/
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return newEvent instanceof ISuspendedDMEvent;
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}
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/*
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* (non-Javadoc)
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* @see org.eclipse.dd.dsf.ui.viewmodel.AbstractVMProvider#update(org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerInputUpdate)
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*/
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@Override
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public void update(IViewerInputUpdate update) {
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/*
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* Get the selection input object from and see if it is a STACK FRAME. If not then do
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* the standard policy. If it is then we will always provide and execution selection.
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* This insures that the REGISTER VIEW will not collapse and expand on stepping or on
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* re-selection in the DEBUG VIEW. Currently the register content is not stack frame
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* specific. If it were to become so then we would need to modify this policy.
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*/
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Object element = update.getElement();
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IDMContext ctx = ((IDMVMContext) element).getDMContext();
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if ( ctx instanceof IFrameDMContext ) {
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IExecutionDMContext execDmc = DMContexts.getAncestorOfType(ctx, IExecutionDMContext.class);
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if ( execDmc != null ) {
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/*
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* This tells the Flexible Hierarchy that element driving this view has not changed
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* and there is no need to redraw the view. Since this is a somewhat fake VMContext
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* we provide our Root Layout node as the representative VM node.
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*/
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update.setInputElement(new ViewInputElement(RegisterVMProvider.this.getRootVMNode(), execDmc));
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update.done();
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return;
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}
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}
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/*
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* If we reach here, then we did not override the standard behavior. Invoke the
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* super class and this will provide the default standard behavior.
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*/
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super.update(update);
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}
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/*
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* Provides a local implementation of the IDMVMContext. This allows us to return one
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* of our own making, representing the DMContext we want to use as selection criteria.
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*/
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private class ViewInputElement extends AbstractVMContext implements IDMVMContext {
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final private IDMContext fDMContext;
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public ViewInputElement(IVMNode node, IDMContext dmc) {
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super(node);
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fDMContext = dmc;
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}
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public IDMContext getDMContext() {
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return fDMContext;
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}
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/**
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* The IAdaptable implementation. If the adapter is the DM context,
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* return the context, otherwise delegate to IDMContext.getAdapter().
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*/
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@Override
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@SuppressWarnings("unchecked")
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public Object getAdapter(Class adapter) {
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Object superAdapter = super.getAdapter(adapter);
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if (superAdapter != null) {
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return superAdapter;
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} else {
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// Delegate to the Data Model to find the context.
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if (adapter.isInstance(fDMContext)) {
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return fDMContext;
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} else {
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return fDMContext.getAdapter(adapter);
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}
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}
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}
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@Override
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public boolean equals(Object obj) {
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if ( obj instanceof ViewInputElement && ((ViewInputElement) obj).fDMContext.equals(fDMContext) ) {
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return true;
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}
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return false;
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}
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@Override
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public int hashCode() {
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return fDMContext.hashCode();
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}
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}
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}
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