| /*=============================================================================# |
| # Copyright (c) 2010, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.r.ui.dataeditor; |
| |
| import org.eclipse.statet.jcommons.collections.CopyOnWriteIdentityListSet; |
| import org.eclipse.statet.jcommons.collections.ImList; |
| import org.eclipse.statet.jcommons.ts.core.Tool; |
| |
| import org.eclipse.statet.nico.core.util.ToolTerminateListener; |
| import org.eclipse.statet.r.core.model.RElementName; |
| import org.eclipse.statet.rj.services.FQRObjectRef; |
| import org.eclipse.statet.rj.ts.core.RTool; |
| |
| |
| public class RToolDataTableInput implements IRDataTableInput { |
| |
| |
| private final RElementName elementName; |
| |
| private final String fullName; |
| private final String shortName; |
| |
| private final FQRObjectRef elementRef; |
| |
| private final RTool tool; |
| private ToolTerminateListener processListener; |
| |
| private final CopyOnWriteIdentityListSet<IRDataTableInput.StateListener> listeners= new CopyOnWriteIdentityListSet<>(); |
| |
| |
| public RToolDataTableInput(RElementName elementName, final FQRObjectRef elementRef) { |
| if (elementName == null) { |
| throw new NullPointerException("name"); //$NON-NLS-1$ |
| } |
| if (elementRef == null) { |
| throw new NullPointerException("elementRef"); //$NON-NLS-1$ |
| } |
| if (!(elementRef.getRHandle() instanceof RTool)) { |
| throw new IllegalArgumentException("Unsupported elementRef.rHandle"); //$NON-NLS-1$ |
| } |
| |
| this.elementName= elementName; |
| this.elementRef= elementRef; |
| this.fullName= RElementName.createDisplayName(elementName, RElementName.DISPLAY_FQN | RElementName.DISPLAY_EXACT); |
| |
| RElementName name= elementName; |
| while (elementName.getNextSegment() != null) { |
| if (elementName.getType() == RElementName.MAIN_DEFAULT) { |
| name= elementName; |
| } |
| |
| elementName= elementName.getNextSegment(); |
| } |
| this.shortName= name.getDisplayName(); |
| |
| this.tool= (RTool) elementRef.getRHandle(); |
| } |
| |
| |
| @Override |
| public RElementName getElementName() { |
| return this.elementName; |
| } |
| |
| @Override |
| public String getFullName() { |
| return this.fullName; |
| } |
| |
| @Override |
| public String getName() { |
| return this.shortName; |
| } |
| |
| @Override |
| public FQRObjectRef getElementRef() { |
| return this.elementRef; |
| } |
| |
| @Override |
| public Tool getTool() { |
| return this.tool; |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return !this.tool.isTerminated(); |
| } |
| |
| @Override |
| public void addStateListener(final StateListener listener) { |
| synchronized (this.listeners) { |
| if (this.listeners.add(listener) |
| && this.processListener == null) { |
| this.processListener= new ToolTerminateListener(this.tool) { |
| @Override |
| public void toolTerminated() { |
| final ImList<StateListener> listeners; |
| synchronized (RToolDataTableInput.this.listeners) { |
| dispose(); |
| RToolDataTableInput.this.processListener= null; |
| |
| listeners= RToolDataTableInput.this.listeners.toList(); |
| } |
| for (final IRDataTableInput.StateListener listener : listeners) { |
| listener.tableUnavailable(); |
| } |
| } |
| }; |
| this.processListener.install(); |
| } |
| } |
| } |
| |
| @Override |
| public void removeStateListener(final StateListener listener) { |
| synchronized (this.listeners) { |
| if (this.listeners.remove(listener) |
| && this.listeners.isEmpty() && this.processListener != null) { |
| this.processListener.dispose(); |
| this.processListener= null; |
| } |
| } |
| } |
| |
| |
| @Override |
| public int hashCode() { |
| return this.shortName.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (!(obj instanceof RToolDataTableInput)) { |
| return false; |
| } |
| final RToolDataTableInput other= (RToolDataTableInput) obj; |
| return (this == other || ( |
| this.tool.equals(other.tool) |
| && this.fullName.equals(other.fullName) )); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getName() + "(" + this.fullName //$NON-NLS-1$ |
| + " in " + this.tool.getLabel(Tool.LONG_LABEL) + ")"; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| } |