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Diffstat (limited to 'examples/org.eclipse.tcf.examples.filtering/src/org/eclipse/tcf/examples/filtering/PresentationFilter.java')
| -rw-r--r-- | examples/org.eclipse.tcf.examples.filtering/src/org/eclipse/tcf/examples/filtering/PresentationFilter.java | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/examples/org.eclipse.tcf.examples.filtering/src/org/eclipse/tcf/examples/filtering/PresentationFilter.java b/examples/org.eclipse.tcf.examples.filtering/src/org/eclipse/tcf/examples/filtering/PresentationFilter.java new file mode 100644 index 000000000..d699f508f --- /dev/null +++ b/examples/org.eclipse.tcf.examples.filtering/src/org/eclipse/tcf/examples/filtering/PresentationFilter.java @@ -0,0 +1,215 @@ +/******************************************************************************* + * Copyright (c) 2013 Xilinx, Inc. and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Xilinx - initial API and implementation + *******************************************************************************/ +package org.eclipse.tcf.examples.filtering; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Map; + +import org.eclipse.debug.core.IRequest; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenCountUpdate; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenUpdate; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; +import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate; +import org.eclipse.debug.ui.IDebugUIConstants; +import org.eclipse.tcf.debug.ui.ITCFModel; +import org.eclipse.tcf.debug.ui.ITCFPresentationProvider; +import org.eclipse.tcf.internal.debug.model.TCFContextState; +import org.eclipse.tcf.internal.debug.ui.model.TCFChildren; +import org.eclipse.tcf.internal.debug.ui.model.TCFModel; +import org.eclipse.tcf.internal.debug.ui.model.TCFModelProxy; +import org.eclipse.tcf.internal.debug.ui.model.TCFNode; +import org.eclipse.tcf.internal.debug.ui.model.TCFNodeExecContext; +import org.eclipse.tcf.services.IRunControl; +import org.eclipse.tcf.services.IRunControl.RunControlContext; +import org.eclipse.tcf.util.TCFDataCache; + +@SuppressWarnings("restriction") +public class PresentationFilter implements ITCFPresentationProvider { + + private static final TCFNode[] pass_through = new TCFNode[0]; + + private HashMap<ITCFModel, RCListener> listeners = new HashMap<ITCFModel, RCListener>(); + + private class RCListener implements IRunControl.RunControlListener { + + final TCFModel model; + + RCListener(TCFModel model) { + this.model = model; + listeners.put(model, this); + } + + @Override + public void contextSuspended(String context, String pc, String reason, Map<String, Object> params) { + postDelta(context); + } + + @Override + public void contextResumed(String context) { + postDelta(context); + } + + @Override + public void contextRemoved(String[] context_ids) { + } + + @Override + public void contextException(String context, String msg) { + } + + @Override + public void contextChanged(RunControlContext[] contexts) { + } + + @Override + public void contextAdded(RunControlContext[] contexts) { + } + + @Override + public void containerSuspended(String context, String pc, String reason, Map<String, Object> params, String[] suspended_ids) { + for (String id : suspended_ids) + postDelta(id); + } + + @Override + public void containerResumed(String[] context_ids) { + for (String id : context_ids) + postDelta(id); + } + + void postDelta(String id) { + TCFNode node = model.getNode(id); + if (node == null) return; + node = node.getParent(); + if (node == null) return; + for (TCFModelProxy p : model.getModelProxies()) { + String view_id = p.getPresentationContext().getId(); + if (IDebugUIConstants.ID_DEBUG_VIEW.equals(view_id)) { + p.addDelta(node, IModelDelta.CONTENT); + } + } + } + }; + + @Override + public boolean onModelCreated(final ITCFModel m) { + return true; + } + + @Override + public void onModelDisposed(ITCFModel model) { + RCListener listener = listeners.remove(model); + if (listener != null) model.getChannel().getRemoteService(IRunControl.class).removeListener(listener); + } + + @Override + public boolean updateStarted(IRequest request) { + return true; + } + + @Override + public boolean updateComplete(IRequest request) { + if (request instanceof IViewerUpdate) { + IViewerUpdate viewer_update = (IViewerUpdate) request; + Object element = viewer_update.getElement(); + IPresentationContext presentastion_context = viewer_update.getPresentationContext(); + if (element instanceof TCFNodeExecContext && IDebugUIConstants.ID_DEBUG_VIEW.equals(presentastion_context.getId())) { + TCFNodeExecContext exe_context = (TCFNodeExecContext) element; + if (viewer_update instanceof IChildrenCountUpdate) { + IChildrenCountUpdate children_count_update = (IChildrenCountUpdate) viewer_update; + TCFNode[] nodes = getFilteredChildren(viewer_update, exe_context); + if (nodes == pass_through) return true; + if (nodes == null) return false; + children_count_update.setChildCount(nodes.length); + } + else if (viewer_update instanceof IChildrenUpdate) { + IChildrenUpdate children_update = (IChildrenUpdate) viewer_update; + TCFNode[] nodes = getFilteredChildren(viewer_update, exe_context); + if (nodes == pass_through) return true; + if (nodes == null) return false; + int ofs = children_update.getOffset(); + int len = children_update.getLength(); + for (int n = 0; n < len; n++) { + int m = n + ofs; + if (m < nodes.length) { + children_update.setChild(nodes[m], m); + } + else { + children_update.setChild(null, m); + } + } + } + } + } + return true; + } + + private TCFNode[] getFilteredChildren(final IViewerUpdate request, TCFNodeExecContext exe_context) { + TCFDataCache<?> pending_cache = null; + ArrayList<TCFNode> list = new ArrayList<TCFNode>(); + + TCFDataCache<IRunControl.RunControlContext> rc_ctx_cache = exe_context.getRunContext(); + if (!rc_ctx_cache.validate()) pending_cache = rc_ctx_cache; + + if (pending_cache == null) { + IRunControl.RunControlContext rc_ctx = rc_ctx_cache.getData(); + if (rc_ctx == null || rc_ctx.hasState()) return pass_through; + + TCFChildren children_cache = exe_context.getChildren(); + if (!children_cache.validate()) pending_cache = children_cache; + + for (TCFNode node : children_cache.getData().values()) { + if (node instanceof TCFNodeExecContext && node.getModel().getActiveAction(node.getID()) == null) { + TCFNodeExecContext child = (TCFNodeExecContext) node; + TCFDataCache<IRunControl.RunControlContext> child_ctx_cache = child.getRunContext(); + if (!child_ctx_cache.validate()) { + pending_cache = child_ctx_cache; + continue; + } + IRunControl.RunControlContext child_ctx = child_ctx_cache.getData(); + if (child_ctx != null && child_ctx.hasState()) { + TCFDataCache<TCFContextState> child_state_cache = child.getState(); + if (!child_state_cache.validate()) { + pending_cache = child_state_cache; + continue; + } + TCFContextState child_state = child_state_cache.getData(); + if (child_state != null && !child_state.is_suspended) continue; + } + } + list.add(node); + } + } + + if (pending_cache != null) { + pending_cache.wait(new Runnable() { + @Override + public void run() { + if (updateComplete(request)) request.done(); + } + }); + return null; + } + + TCFModel model = exe_context.getModel(); + if (listeners.get(model) == null) { + IRunControl rc = model.getChannel().getRemoteService(IRunControl.class); + rc.addListener(new RCListener(model)); + } + + TCFNode[] arr = list.toArray(new TCFNode[list.size()]); + Arrays.sort(arr); + return arr; + } +} |