X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.platform%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fplatform%2FGraphExplorerView.java;h=fd03b00a0fc318b29c18db64c617205e0a61eed9;hp=12529e64af55bdb16e98e8ba31cafd9822e84ddf;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14
diff --git a/bundles/org.simantics.browsing.ui.platform/src/org/simantics/browsing/ui/platform/GraphExplorerView.java b/bundles/org.simantics.browsing.ui.platform/src/org/simantics/browsing/ui/platform/GraphExplorerView.java
index 12529e64a..fd03b00a0 100644
--- a/bundles/org.simantics.browsing.ui.platform/src/org/simantics/browsing/ui/platform/GraphExplorerView.java
+++ b/bundles/org.simantics.browsing.ui.platform/src/org/simantics/browsing/ui/platform/GraphExplorerView.java
@@ -1,418 +1,418 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * 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:
- * VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.browsing.ui.platform;
-
-import java.lang.reflect.Constructor;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Set;
-
-import org.eclipse.core.runtime.IConfigurationElement;
-import org.eclipse.core.runtime.Platform;
-import org.eclipse.jface.layout.GridDataFactory;
-import org.eclipse.jface.viewers.ISelectionProvider;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.dnd.DND;
-import org.eclipse.swt.dnd.DragSource;
-import org.eclipse.swt.dnd.DragSourceListener;
-import org.eclipse.swt.dnd.DropTarget;
-import org.eclipse.swt.dnd.DropTargetAdapter;
-import org.eclipse.swt.dnd.DropTargetEvent;
-import org.eclipse.swt.dnd.FileTransfer;
-import org.eclipse.swt.dnd.Transfer;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Tree;
-import org.eclipse.swt.widgets.TreeItem;
-import org.eclipse.ui.IWorkbenchPartSite;
-import org.eclipse.ui.PlatformUI;
-import org.eclipse.ui.contexts.IContextService;
-import org.osgi.framework.Bundle;
-import org.simantics.browsing.ui.BuiltinKeys;
-import org.simantics.browsing.ui.GraphExplorer;
-import org.simantics.browsing.ui.NodeContext;
-import org.simantics.browsing.ui.common.EvaluatorData;
-import org.simantics.browsing.ui.common.EvaluatorDataImpl;
-import org.simantics.browsing.ui.common.node.IDropTargetNode;
-import org.simantics.browsing.ui.common.processors.ComparableFactoryResolver;
-import org.simantics.browsing.ui.common.processors.ComparableSelectorQueryProcessor;
-import org.simantics.browsing.ui.common.processors.FilterSelectionRequestQueryProcessor;
-import org.simantics.browsing.ui.common.processors.ImageDecoratorFactoryResolver;
-import org.simantics.browsing.ui.common.processors.ImagerFactoryResolver;
-import org.simantics.browsing.ui.common.processors.LabelDecoratorFactoryResolver;
-import org.simantics.browsing.ui.common.processors.LabelerFactoryResolver;
-import org.simantics.browsing.ui.common.processors.UserSelectedComparableFactoryQueryProcessor;
-import org.simantics.browsing.ui.common.processors.UserSelectedViewpointFactoryQueryProcessor;
-import org.simantics.browsing.ui.common.processors.ViewpointFactoryResolver;
-import org.simantics.browsing.ui.common.views.IFilterAreaProvider;
-import org.simantics.browsing.ui.graph.impl.AsyncReadGraphDataSource;
-import org.simantics.browsing.ui.graph.impl.Evaluators;
-import org.simantics.browsing.ui.graph.impl.GraphExplorerHints;
-import org.simantics.browsing.ui.graph.impl.InheritsQueryProcessor;
-import org.simantics.browsing.ui.graph.impl.ReadGraphDataSource;
-import org.simantics.browsing.ui.graph.impl.RelatedObjectsQueryProcessor;
-import org.simantics.browsing.ui.swt.ComparatorSelector;
-import org.simantics.browsing.ui.swt.FilterArea;
-import org.simantics.browsing.ui.swt.GraphExplorerViewBase;
-import org.simantics.browsing.ui.swt.StandardContextTypesQueryProcessor;
-import org.simantics.browsing.ui.swt.TypesQueryProcessor;
-import org.simantics.browsing.ui.swt.ViewpointSelector;
-import org.simantics.db.AsyncReadGraph;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Session;
-import org.simantics.db.management.ISessionContext;
-import org.simantics.selectionview.StandardPropertyPage;
-import org.simantics.ui.dnd.LocalObjectTransfer;
-import org.simantics.ui.dnd.LocalSelectionDragSourceListener;
-import org.simantics.ui.dnd.NoImageDragSourceEffect;
-import org.simantics.ui.workbench.IPropertyPage;
-import org.simantics.utils.datastructures.hints.HintContext;
-import org.simantics.utils.datastructures.hints.IHintContext;
-import org.simantics.utils.ui.ErrorLogger;
-import org.simantics.utils.ui.LayoutUtils;
-
-/**
- * Override:
- *
- * - {@link #createAuxiliaryControls(Composite, Control)} to customize the
- * creation of auxiliary controls around the graph explorer control, such as
- * comparator/viewpoint selectors and filter area.
- * - {@link #getUiContexts()} to specify which
- *
org.eclipse.ui.context extension point contexts should be
- * activated for this view site. May be empty.
- * - {@link #getBrowseContexts()} to specify how the view
- * content/label/decoration production should be configured. May be empty, in
- * which case the browser will show nothing.
- * - {@link #getContextMenuId()} to specify the ID of the context menu to be
- * create for this view part and registered with the workbench. May be
- *
null, in which case a context menu will not be created nor
- * registered with the workbench.
- *
- *
- * @author Tuukka Lehtonen
- * @deprecated in favor of org.simantics.views.swt.ModelledView
- *
- **/
-public class GraphExplorerView extends GraphExplorerViewBase {
-
- protected UserSelectedComparableFactoryQueryProcessor userSelectedComparableFactoryQueryProcessor;
- protected UserSelectedViewpointFactoryQueryProcessor userSelectedViewpointFactoryQueryProcessor;
- protected FilterSelectionRequestQueryProcessor filterSelectionRequestQueryProcessor;
- protected FilterArea filterArea;
- protected IHintContext factoryHints = new HintContext();
- protected EvaluatorData evaluatorData;
-
- protected Set browseContexts = Collections.emptySet();
- protected String contextMenuId;
- protected Set uiContexts = Collections.emptySet();
- protected String propertyPageContributor;
- protected String propertyPageClassName;
- protected Set propertyBrowseContexts = Collections.emptySet();
-
- protected boolean hideComparatorSelector = false;
- protected boolean hideViewpointSelector = false;
- protected boolean hideFilter = false;
-
- @Override
- public void setInitializationData(IConfigurationElement cfig, String propertyName, Object data) {
- super.setInitializationData(cfig, propertyName, data);
- if (data instanceof String) {
- Set browseContexts = new HashSet();
- Set uiContexts = new HashSet();
- Set propertyBrowseContexts = new HashSet();
-
- String[] parameters = ((String) data).split(";");
-
- IContextService service = (IContextService) PlatformUI.getWorkbench().getService(IContextService.class);
- Set definedContexts = new HashSet();
- for (Object cid : service.getDefinedContextIds())
- definedContexts.add((String) cid);
-
- for (String parameter : parameters) {
- String[] keyValue = parameter.split("=");
- if (keyValue.length > 2) {
- ErrorLogger.defaultLogWarning("Invalid parameter '" + parameter + ". Complete view argument: " + data, null);
- continue;
- }
- String key = keyValue[0];
- String value = keyValue.length > 1 ? keyValue[1] : "";
-
- if ("browseContext".equals(key)) {
- browseContexts.add(value);
- } else if ("contextMenuId".equals(key)) {
- this.contextMenuId = value;
- } else if ("uiContext".equals(key)) {
- if (!definedContexts.contains(value)) {
- ErrorLogger.defaultLogWarning("Parameter '" + parameter + "' references a non-existent Eclipse UI context '" + value + "'. Complete view argument: " + data, null);
- continue;
- }
- uiContexts.add(value);
- } else if ("propertyBrowseContext".equals(key)) {
- propertyBrowseContexts.add(value);
- } else if ("propertyPageClass".equals(key)) {
- this.propertyPageContributor = cfig.getContributor().getName();
- this.propertyPageClassName = value;
- } else if ("hideComparatorSelector".equals(key)) {
- this.hideComparatorSelector = true;
- } else if ("hideViewpointSelector".equals(key)) {
- this.hideViewpointSelector = true;
- } else if ("hideFilter".equals(key)) {
- this.hideFilter = true;
- }
- }
-
- this.browseContexts = browseContexts;
- this.uiContexts = uiContexts;
- this.propertyBrowseContexts = propertyBrowseContexts;
- }
- }
-
- public GraphExplorer getExplorer() {
- return explorer;
- }
-
- public T getBrowseContext() {
- return evaluatorData.getBrowseContext();
- }
-
-
- /**
- * Override this to specify which browse contexts are considered active for
- * this browser. This information is read only once during view
- * initialization, no change listening is implemented.
- *
- * @return
- */
- protected Set getBrowseContexts() {
- return browseContexts;
- }
-
- /* (non-Javadoc)
- * @see org.simantics.browsing.ui.swt.GraphExplorerViewBase#getContextMenuId()
- */
- @Override
- protected String getContextMenuId() {
- return contextMenuId;
- }
-
- /**
- * @return the set of org.eclipse.ui.context contexts to
- * activate for this view site
- */
- protected Set getUiContexts() {
- return uiContexts;
- }
-
- @Override
- protected IPropertyPage getPropertyPage() {
- if (propertyPageContributor != null && propertyPageClassName != null) {
- try {
- Bundle b = Platform.getBundle(propertyPageContributor);
- if (b == null) {
- ErrorLogger.defaultLogError("property page '" + propertyPageClassName + "' contributor bundle '"
- + propertyPageContributor + "' was not found in the platform.", null);
- return null;
- }
- Class clazz = b.loadClass(propertyPageClassName);
- if (!IPropertyPage.class.isAssignableFrom(clazz)) {
- ErrorLogger.defaultLogError("property page class '" + propertyPageClassName + "' is not assignable to "
- + IPropertyPage.class + ".", null);
- return null;
- }
- Constructor ctor = clazz.getConstructor(IWorkbenchPartSite.class);
- return (IPropertyPage) ctor.newInstance(getSite());
- } catch (Exception e) {
- ErrorLogger.defaultLogError("Failed to instantiate IPropertyPage implementation '" + propertyPageClassName
- + "' from bundle '" + propertyPageContributor + "'. See exception for details.", e);
- // Something failed, don't try to instantiate the property page anymore.
- propertyPageClassName = null;
- }
- } else if (!propertyBrowseContexts.isEmpty()) {
- return new StandardPropertyPage(getSite(), new HashSet(propertyBrowseContexts));
- }
- return null;
- }
-
- @Override
- protected void createControls(Composite parent) {
- super.createControls(parent);
-
- Control control = explorer.getControl();
-
- userSelectedComparableFactoryQueryProcessor = new UserSelectedComparableFactoryQueryProcessor();
- userSelectedViewpointFactoryQueryProcessor = new UserSelectedViewpointFactoryQueryProcessor();
- filterSelectionRequestQueryProcessor = new FilterSelectionRequestQueryProcessor();
-
- createAuxiliaryControls(parent, control);
-
- setupDropTarget(control);
- setWorkbenchListeners();
- activateUiContexts();
- }
-
- protected void createAuxiliaryControls(Composite parent, Control explorerControl) {
- if (explorerControl instanceof Tree)
- parent.setLayout(LayoutUtils.createNoBorderGridLayout(3, false));
-
- if (!hideComparatorSelector) {
- ComparatorSelector comparatorSelector = new ComparatorSelector(explorer, userSelectedComparableFactoryQueryProcessor, parent, SWT.READ_ONLY);
- comparatorSelector.moveAbove(explorerControl);
- }
-
- if (!hideViewpointSelector) {
- ViewpointSelector viewpointSelector = new ViewpointSelector(explorer, userSelectedViewpointFactoryQueryProcessor, parent, SWT.READ_ONLY);
- viewpointSelector.moveAbove(explorerControl);
- }
-
- if (!hideFilter) {
- filterArea = new FilterArea(explorer, filterSelectionRequestQueryProcessor, parent, SWT.READ_ONLY);
- filterArea.moveAbove(explorerControl);
- }
-
- GridDataFactory.fillDefaults().grab(true, true).span(3,1).applyTo(explorerControl);
- }
-
- protected void setupDropTarget(Control control) {
- DropTarget target = new DropTarget(control, DND.DROP_COPY | DND.DROP_LINK);
- target.setTransfer(getAcceptedDataTypes());
- target.addDropListener(new DropTargetAdapter() {
- Tree tree = (Tree) explorer.getControl();
-
- @Override
- public void dragEnter(DropTargetEvent event) {
- event.detail = DND.DROP_COPY;
- }
-
- @Override
- public void drop(DropTargetEvent event) {
- TreeItem item = tree.getItem(tree.toControl(event.x, event.y));
- if (item != null)
- handleDrop(event.data, (NodeContext) item.getData());
- else
- handleDrop(event.data, null);
- }
- });
- }
-
- protected void activateUiContexts() {
- Collection contexts = getUiContexts();
- if (!contexts.isEmpty()) {
- IContextService cs = (IContextService) getSite().getService(IContextService.class);
- for (String context : contexts)
- cs.activateContext(context);
- }
- }
-
- @SuppressWarnings("rawtypes")
- @Override
- public Object getAdapter(Class adapter) {
- if (adapter == IFilterAreaProvider.class)
- return filterArea;
- return super.getAdapter(adapter);
- }
-
- @Override
- public void dispose() {
- //System.out.println(this + ".GraphExplorerViewBase2.dispose()");
- removeWorkbenchListeners();
- userSelectedComparableFactoryQueryProcessor = null;
- userSelectedViewpointFactoryQueryProcessor = null;
- filterSelectionRequestQueryProcessor = null;
- super.dispose();
- }
-
- @Override
- protected final void initializeExplorer(GraphExplorer explorer, ISessionContext context) {
- if (explorer.isDisposed())
- return;
-
- super.initializeExplorer(explorer, context);
-
- Session session = context != null ? context.getSession() : null;
-
- if (session != null) {
- evaluatorData = createEvaluatorData(session);
- factoryHints.setHint(GraphExplorerHints.KEY_SESSION_CONTEXT, context);
- explorer.setDataSource(new AsyncReadGraphDataSource(session));
- explorer.setDataSource(new ReadGraphDataSource(session));
- }
- else {
- evaluatorData = new EvaluatorDataImpl();
- explorer.removeDataSource(AsyncReadGraph.class);
- explorer.removeDataSource(ReadGraph.class);
- factoryHints.removeHint(GraphExplorerHints.KEY_SESSION_CONTEXT);
- }
-
- explorer.setProcessor(new ComparableFactoryResolver(evaluatorData));
- explorer.setProcessor(new ViewpointFactoryResolver(evaluatorData));
- explorer.setProcessor(new LabelerFactoryResolver(evaluatorData));
- explorer.setProcessor(new ImagerFactoryResolver(evaluatorData));
- explorer.setProcessor(new LabelDecoratorFactoryResolver(evaluatorData));
- explorer.setProcessor(new ImageDecoratorFactoryResolver(evaluatorData));
- explorer.setPrimitiveProcessor(new TypesQueryProcessor());
- explorer.setPrimitiveProcessor(new StandardContextTypesQueryProcessor());
- explorer.setPrimitiveProcessor(new InheritsQueryProcessor());
- explorer.setPrimitiveProcessor(new RelatedObjectsQueryProcessor());
-
- if(!hideViewpointSelector) {
- explorer.setPrimitiveProcessor(userSelectedViewpointFactoryQueryProcessor);
- explorer.setProcessor(new ComparableSelectorQueryProcessor());
- }
- if(!hideComparatorSelector) {
- explorer.setPrimitiveProcessor(userSelectedComparableFactoryQueryProcessor);
- }
- explorer.setPrimitiveProcessor(filterSelectionRequestQueryProcessor);
-
- initializeExplorerWithEvaluator(explorer, context, evaluatorData);
- }
-
- protected void initializeExplorerWithEvaluator(GraphExplorer explorer, ISessionContext context, EvaluatorData data) {
- }
-
- protected EvaluatorData createEvaluatorData(Session session) {
- return Evaluators.load(session, getBrowseContexts(), resourceManager);
- }
-
- protected Transfer[] getAcceptedDataTypes() {
- return new Transfer[] { LocalObjectTransfer.getTransfer(), FileTransfer.getInstance() };
- }
-
- protected void handleDrop(Object data, NodeContext target) {
- if (target != null) {
- Object input = target.getConstant(BuiltinKeys.INPUT);
- //System.out.println("DROPPED " + data + " ON " + target);
- if (input instanceof IDropTargetNode)
- ((IDropTargetNode) input).drop(data);
- }
- }
-
- @Override
- protected Object createDragSource(GraphExplorer explorer) {
- ISelectionProvider selectionProvider = (ISelectionProvider) explorer.getAdapter(ISelectionProvider.class);
-
- DragSourceListener listener = new LocalSelectionDragSourceListener(selectionProvider);
-
- Control control = explorer.getControl();
- DragSource source = new DragSource(control, DND.DROP_LINK | DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT);
- source.setTransfer(new Transfer[] {LocalObjectTransfer.getTransfer()});
- source.addDragListener(listener);
- source.setDragSourceEffect(new NoImageDragSourceEffect(control));
-
- return listener;
- }
-
- public EvaluatorData getEvaluatorData() {
- return evaluatorData;
- }
-
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.platform;
+
+import java.lang.reflect.Constructor;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DragSource;
+import org.eclipse.swt.dnd.DragSourceListener;
+import org.eclipse.swt.dnd.DropTarget;
+import org.eclipse.swt.dnd.DropTargetAdapter;
+import org.eclipse.swt.dnd.DropTargetEvent;
+import org.eclipse.swt.dnd.FileTransfer;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeItem;
+import org.eclipse.ui.IWorkbenchPartSite;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.contexts.IContextService;
+import org.osgi.framework.Bundle;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.EvaluatorData;
+import org.simantics.browsing.ui.common.EvaluatorDataImpl;
+import org.simantics.browsing.ui.common.node.IDropTargetNode;
+import org.simantics.browsing.ui.common.processors.ComparableFactoryResolver;
+import org.simantics.browsing.ui.common.processors.ComparableSelectorQueryProcessor;
+import org.simantics.browsing.ui.common.processors.FilterSelectionRequestQueryProcessor;
+import org.simantics.browsing.ui.common.processors.ImageDecoratorFactoryResolver;
+import org.simantics.browsing.ui.common.processors.ImagerFactoryResolver;
+import org.simantics.browsing.ui.common.processors.LabelDecoratorFactoryResolver;
+import org.simantics.browsing.ui.common.processors.LabelerFactoryResolver;
+import org.simantics.browsing.ui.common.processors.UserSelectedComparableFactoryQueryProcessor;
+import org.simantics.browsing.ui.common.processors.UserSelectedViewpointFactoryQueryProcessor;
+import org.simantics.browsing.ui.common.processors.ViewpointFactoryResolver;
+import org.simantics.browsing.ui.common.views.IFilterAreaProvider;
+import org.simantics.browsing.ui.graph.impl.AsyncReadGraphDataSource;
+import org.simantics.browsing.ui.graph.impl.Evaluators;
+import org.simantics.browsing.ui.graph.impl.GraphExplorerHints;
+import org.simantics.browsing.ui.graph.impl.InheritsQueryProcessor;
+import org.simantics.browsing.ui.graph.impl.ReadGraphDataSource;
+import org.simantics.browsing.ui.graph.impl.RelatedObjectsQueryProcessor;
+import org.simantics.browsing.ui.swt.ComparatorSelector;
+import org.simantics.browsing.ui.swt.FilterArea;
+import org.simantics.browsing.ui.swt.GraphExplorerViewBase;
+import org.simantics.browsing.ui.swt.StandardContextTypesQueryProcessor;
+import org.simantics.browsing.ui.swt.TypesQueryProcessor;
+import org.simantics.browsing.ui.swt.ViewpointSelector;
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Session;
+import org.simantics.db.management.ISessionContext;
+import org.simantics.selectionview.StandardPropertyPage;
+import org.simantics.ui.dnd.LocalObjectTransfer;
+import org.simantics.ui.dnd.LocalSelectionDragSourceListener;
+import org.simantics.ui.dnd.NoImageDragSourceEffect;
+import org.simantics.ui.workbench.IPropertyPage;
+import org.simantics.utils.datastructures.hints.HintContext;
+import org.simantics.utils.datastructures.hints.IHintContext;
+import org.simantics.utils.ui.ErrorLogger;
+import org.simantics.utils.ui.LayoutUtils;
+
+/**
+ * Override:
+ *
+ * - {@link #createAuxiliaryControls(Composite, Control)} to customize the
+ * creation of auxiliary controls around the graph explorer control, such as
+ * comparator/viewpoint selectors and filter area.
+ * - {@link #getUiContexts()} to specify which
+ *
org.eclipse.ui.context extension point contexts should be
+ * activated for this view site. May be empty.
+ * - {@link #getBrowseContexts()} to specify how the view
+ * content/label/decoration production should be configured. May be empty, in
+ * which case the browser will show nothing.
+ * - {@link #getContextMenuId()} to specify the ID of the context menu to be
+ * create for this view part and registered with the workbench. May be
+ *
null, in which case a context menu will not be created nor
+ * registered with the workbench.
+ *
+ *
+ * @author Tuukka Lehtonen
+ * @deprecated in favor of org.simantics.views.swt.ModelledView
+ *
+ **/
+public class GraphExplorerView extends GraphExplorerViewBase {
+
+ protected UserSelectedComparableFactoryQueryProcessor userSelectedComparableFactoryQueryProcessor;
+ protected UserSelectedViewpointFactoryQueryProcessor userSelectedViewpointFactoryQueryProcessor;
+ protected FilterSelectionRequestQueryProcessor filterSelectionRequestQueryProcessor;
+ protected FilterArea filterArea;
+ protected IHintContext factoryHints = new HintContext();
+ protected EvaluatorData evaluatorData;
+
+ protected Set browseContexts = Collections.emptySet();
+ protected String contextMenuId;
+ protected Set uiContexts = Collections.emptySet();
+ protected String propertyPageContributor;
+ protected String propertyPageClassName;
+ protected Set propertyBrowseContexts = Collections.emptySet();
+
+ protected boolean hideComparatorSelector = false;
+ protected boolean hideViewpointSelector = false;
+ protected boolean hideFilter = false;
+
+ @Override
+ public void setInitializationData(IConfigurationElement cfig, String propertyName, Object data) {
+ super.setInitializationData(cfig, propertyName, data);
+ if (data instanceof String) {
+ Set browseContexts = new HashSet();
+ Set uiContexts = new HashSet();
+ Set propertyBrowseContexts = new HashSet();
+
+ String[] parameters = ((String) data).split(";");
+
+ IContextService service = (IContextService) PlatformUI.getWorkbench().getService(IContextService.class);
+ Set definedContexts = new HashSet();
+ for (Object cid : service.getDefinedContextIds())
+ definedContexts.add((String) cid);
+
+ for (String parameter : parameters) {
+ String[] keyValue = parameter.split("=");
+ if (keyValue.length > 2) {
+ ErrorLogger.defaultLogWarning("Invalid parameter '" + parameter + ". Complete view argument: " + data, null);
+ continue;
+ }
+ String key = keyValue[0];
+ String value = keyValue.length > 1 ? keyValue[1] : "";
+
+ if ("browseContext".equals(key)) {
+ browseContexts.add(value);
+ } else if ("contextMenuId".equals(key)) {
+ this.contextMenuId = value;
+ } else if ("uiContext".equals(key)) {
+ if (!definedContexts.contains(value)) {
+ ErrorLogger.defaultLogWarning("Parameter '" + parameter + "' references a non-existent Eclipse UI context '" + value + "'. Complete view argument: " + data, null);
+ continue;
+ }
+ uiContexts.add(value);
+ } else if ("propertyBrowseContext".equals(key)) {
+ propertyBrowseContexts.add(value);
+ } else if ("propertyPageClass".equals(key)) {
+ this.propertyPageContributor = cfig.getContributor().getName();
+ this.propertyPageClassName = value;
+ } else if ("hideComparatorSelector".equals(key)) {
+ this.hideComparatorSelector = true;
+ } else if ("hideViewpointSelector".equals(key)) {
+ this.hideViewpointSelector = true;
+ } else if ("hideFilter".equals(key)) {
+ this.hideFilter = true;
+ }
+ }
+
+ this.browseContexts = browseContexts;
+ this.uiContexts = uiContexts;
+ this.propertyBrowseContexts = propertyBrowseContexts;
+ }
+ }
+
+ public GraphExplorer getExplorer() {
+ return explorer;
+ }
+
+ public T getBrowseContext() {
+ return evaluatorData.getBrowseContext();
+ }
+
+
+ /**
+ * Override this to specify which browse contexts are considered active for
+ * this browser. This information is read only once during view
+ * initialization, no change listening is implemented.
+ *
+ * @return
+ */
+ protected Set getBrowseContexts() {
+ return browseContexts;
+ }
+
+ /* (non-Javadoc)
+ * @see org.simantics.browsing.ui.swt.GraphExplorerViewBase#getContextMenuId()
+ */
+ @Override
+ protected String getContextMenuId() {
+ return contextMenuId;
+ }
+
+ /**
+ * @return the set of org.eclipse.ui.context contexts to
+ * activate for this view site
+ */
+ protected Set getUiContexts() {
+ return uiContexts;
+ }
+
+ @Override
+ protected IPropertyPage getPropertyPage() {
+ if (propertyPageContributor != null && propertyPageClassName != null) {
+ try {
+ Bundle b = Platform.getBundle(propertyPageContributor);
+ if (b == null) {
+ ErrorLogger.defaultLogError("property page '" + propertyPageClassName + "' contributor bundle '"
+ + propertyPageContributor + "' was not found in the platform.", null);
+ return null;
+ }
+ Class clazz = b.loadClass(propertyPageClassName);
+ if (!IPropertyPage.class.isAssignableFrom(clazz)) {
+ ErrorLogger.defaultLogError("property page class '" + propertyPageClassName + "' is not assignable to "
+ + IPropertyPage.class + ".", null);
+ return null;
+ }
+ Constructor ctor = clazz.getConstructor(IWorkbenchPartSite.class);
+ return (IPropertyPage) ctor.newInstance(getSite());
+ } catch (Exception e) {
+ ErrorLogger.defaultLogError("Failed to instantiate IPropertyPage implementation '" + propertyPageClassName
+ + "' from bundle '" + propertyPageContributor + "'. See exception for details.", e);
+ // Something failed, don't try to instantiate the property page anymore.
+ propertyPageClassName = null;
+ }
+ } else if (!propertyBrowseContexts.isEmpty()) {
+ return new StandardPropertyPage(getSite(), new HashSet(propertyBrowseContexts));
+ }
+ return null;
+ }
+
+ @Override
+ protected void createControls(Composite parent) {
+ super.createControls(parent);
+
+ Control control = explorer.getControl();
+
+ userSelectedComparableFactoryQueryProcessor = new UserSelectedComparableFactoryQueryProcessor();
+ userSelectedViewpointFactoryQueryProcessor = new UserSelectedViewpointFactoryQueryProcessor();
+ filterSelectionRequestQueryProcessor = new FilterSelectionRequestQueryProcessor();
+
+ createAuxiliaryControls(parent, control);
+
+ setupDropTarget(control);
+ setWorkbenchListeners();
+ activateUiContexts();
+ }
+
+ protected void createAuxiliaryControls(Composite parent, Control explorerControl) {
+ if (explorerControl instanceof Tree)
+ parent.setLayout(LayoutUtils.createNoBorderGridLayout(3, false));
+
+ if (!hideComparatorSelector) {
+ ComparatorSelector comparatorSelector = new ComparatorSelector(explorer, userSelectedComparableFactoryQueryProcessor, parent, SWT.READ_ONLY);
+ comparatorSelector.moveAbove(explorerControl);
+ }
+
+ if (!hideViewpointSelector) {
+ ViewpointSelector viewpointSelector = new ViewpointSelector(explorer, userSelectedViewpointFactoryQueryProcessor, parent, SWT.READ_ONLY);
+ viewpointSelector.moveAbove(explorerControl);
+ }
+
+ if (!hideFilter) {
+ filterArea = new FilterArea(explorer, filterSelectionRequestQueryProcessor, parent, SWT.READ_ONLY);
+ filterArea.moveAbove(explorerControl);
+ }
+
+ GridDataFactory.fillDefaults().grab(true, true).span(3,1).applyTo(explorerControl);
+ }
+
+ protected void setupDropTarget(Control control) {
+ DropTarget target = new DropTarget(control, DND.DROP_COPY | DND.DROP_LINK);
+ target.setTransfer(getAcceptedDataTypes());
+ target.addDropListener(new DropTargetAdapter() {
+ Tree tree = (Tree) explorer.getControl();
+
+ @Override
+ public void dragEnter(DropTargetEvent event) {
+ event.detail = DND.DROP_COPY;
+ }
+
+ @Override
+ public void drop(DropTargetEvent event) {
+ TreeItem item = tree.getItem(tree.toControl(event.x, event.y));
+ if (item != null)
+ handleDrop(event.data, (NodeContext) item.getData());
+ else
+ handleDrop(event.data, null);
+ }
+ });
+ }
+
+ protected void activateUiContexts() {
+ Collection contexts = getUiContexts();
+ if (!contexts.isEmpty()) {
+ IContextService cs = (IContextService) getSite().getService(IContextService.class);
+ for (String context : contexts)
+ cs.activateContext(context);
+ }
+ }
+
+ @SuppressWarnings("rawtypes")
+ @Override
+ public Object getAdapter(Class adapter) {
+ if (adapter == IFilterAreaProvider.class)
+ return filterArea;
+ return super.getAdapter(adapter);
+ }
+
+ @Override
+ public void dispose() {
+ //System.out.println(this + ".GraphExplorerViewBase2.dispose()");
+ removeWorkbenchListeners();
+ userSelectedComparableFactoryQueryProcessor = null;
+ userSelectedViewpointFactoryQueryProcessor = null;
+ filterSelectionRequestQueryProcessor = null;
+ super.dispose();
+ }
+
+ @Override
+ protected final void initializeExplorer(GraphExplorer explorer, ISessionContext context) {
+ if (explorer.isDisposed())
+ return;
+
+ super.initializeExplorer(explorer, context);
+
+ Session session = context != null ? context.getSession() : null;
+
+ if (session != null) {
+ evaluatorData = createEvaluatorData(session);
+ factoryHints.setHint(GraphExplorerHints.KEY_SESSION_CONTEXT, context);
+ explorer.setDataSource(new AsyncReadGraphDataSource(session));
+ explorer.setDataSource(new ReadGraphDataSource(session));
+ }
+ else {
+ evaluatorData = new EvaluatorDataImpl();
+ explorer.removeDataSource(AsyncReadGraph.class);
+ explorer.removeDataSource(ReadGraph.class);
+ factoryHints.removeHint(GraphExplorerHints.KEY_SESSION_CONTEXT);
+ }
+
+ explorer.setProcessor(new ComparableFactoryResolver(evaluatorData));
+ explorer.setProcessor(new ViewpointFactoryResolver(evaluatorData));
+ explorer.setProcessor(new LabelerFactoryResolver(evaluatorData));
+ explorer.setProcessor(new ImagerFactoryResolver(evaluatorData));
+ explorer.setProcessor(new LabelDecoratorFactoryResolver(evaluatorData));
+ explorer.setProcessor(new ImageDecoratorFactoryResolver(evaluatorData));
+ explorer.setPrimitiveProcessor(new TypesQueryProcessor());
+ explorer.setPrimitiveProcessor(new StandardContextTypesQueryProcessor());
+ explorer.setPrimitiveProcessor(new InheritsQueryProcessor());
+ explorer.setPrimitiveProcessor(new RelatedObjectsQueryProcessor());
+
+ if(!hideViewpointSelector) {
+ explorer.setPrimitiveProcessor(userSelectedViewpointFactoryQueryProcessor);
+ explorer.setProcessor(new ComparableSelectorQueryProcessor());
+ }
+ if(!hideComparatorSelector) {
+ explorer.setPrimitiveProcessor(userSelectedComparableFactoryQueryProcessor);
+ }
+ explorer.setPrimitiveProcessor(filterSelectionRequestQueryProcessor);
+
+ initializeExplorerWithEvaluator(explorer, context, evaluatorData);
+ }
+
+ protected void initializeExplorerWithEvaluator(GraphExplorer explorer, ISessionContext context, EvaluatorData data) {
+ }
+
+ protected EvaluatorData createEvaluatorData(Session session) {
+ return Evaluators.load(session, getBrowseContexts(), resourceManager);
+ }
+
+ protected Transfer[] getAcceptedDataTypes() {
+ return new Transfer[] { LocalObjectTransfer.getTransfer(), FileTransfer.getInstance() };
+ }
+
+ protected void handleDrop(Object data, NodeContext target) {
+ if (target != null) {
+ Object input = target.getConstant(BuiltinKeys.INPUT);
+ //System.out.println("DROPPED " + data + " ON " + target);
+ if (input instanceof IDropTargetNode)
+ ((IDropTargetNode) input).drop(data);
+ }
+ }
+
+ @Override
+ protected Object createDragSource(GraphExplorer explorer) {
+ ISelectionProvider selectionProvider = (ISelectionProvider) explorer.getAdapter(ISelectionProvider.class);
+
+ DragSourceListener listener = new LocalSelectionDragSourceListener(selectionProvider);
+
+ Control control = explorer.getControl();
+ DragSource source = new DragSource(control, DND.DROP_LINK | DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT);
+ source.setTransfer(new Transfer[] {LocalObjectTransfer.getTransfer()});
+ source.addDragListener(listener);
+ source.setDragSourceEffect(new NoImageDragSourceEffect(control));
+
+ return listener;
+ }
+
+ public EvaluatorData getEvaluatorData() {
+ return evaluatorData;
+ }
+
+}