[jboss-cvs] jbosside/core/plugins/org.jboss.ide.eclipse.packages.ui/src/main/org/jboss/ide/eclipse/packages/ui ...

[Marshall Culpepper]

  User: mculpepper
  Date: 07/02/17 12:31:38

  Added:       core/plugins/org.jboss.ide.eclipse.packages.ui/src/main/org/jboss/ide/eclipse/packages/ui  
                        NodeContribution.java ExtensionManager.java
  Log:
  implemented "nodePopupMenus" extension point, allowing for contributions to the node context menu based on the type of node being currently selected. see the stub NodePropertiesAction extension in plugin.xml for an example.
  
  Revision  Changes    Path
  1.1      date: 2007/02/17 17:31:38;  author: mculpepper;  state: Exp;jbosside/core/plugins/org.jboss.ide.eclipse.packages.ui/src/main/org/jboss/ide/eclipse/packages/ui/NodeContribution.java
  
  Index: NodeContribution.java
  ===================================================================
  package org.jboss.ide.eclipse.packages.ui;
  
  import java.net.URL;
  
  import org.eclipse.core.runtime.CoreException;
  import org.eclipse.core.runtime.FileLocator;
  import org.eclipse.core.runtime.IConfigurationElement;
  import org.eclipse.core.runtime.Path;
  import org.eclipse.core.runtime.Platform;
  import org.eclipse.jface.resource.ImageDescriptor;
  import org.eclipse.ui.IViewActionDelegate;
  import org.jboss.ide.eclipse.packages.core.Trace;
  import org.jboss.ide.eclipse.packages.core.model.IPackageNode;
  import org.osgi.framework.Bundle;
  
  public class NodeContribution implements Comparable {
  	private String id, label;
  	private IViewActionDelegate actionDelegate;
  	private ImageDescriptor icon;
  	private int enablesForNodeType;
  	private int weight;
  	
  	public static final int TYPE_ANY = -1;
  	
  	public NodeContribution (IConfigurationElement element)
  	{
  		id = element.getAttribute("id");
  		label = element.getAttribute("label");
  		
  		try {
  			actionDelegate = (IViewActionDelegate) element.createExecutableExtension("class");
  		} catch (CoreException e) {
  			Trace.trace(getClass(), e);
  		}
  		
  		String iconPath = element.getAttribute("icon");
  		String pluginId = element.getDeclaringExtension().getNamespaceIdentifier();
  		Bundle bundle = Platform.getBundle(pluginId);
  		URL iconURL = FileLocator.find(bundle, new Path(iconPath), null);
  		if (iconURL == null)
  		{
  			iconURL = bundle.getEntry(iconPath);
  		}
  		icon = ImageDescriptor.createFromURL(iconURL);
  		
  		String enablesFor = element.getAttribute("enablesForNodeType");
  		if ("any".equals(enablesFor)) {
  			enablesForNodeType = TYPE_ANY;
  		} else if ("package".equals(enablesFor)) {
  			enablesForNodeType = IPackageNode.TYPE_PACKAGE;
  		} else if ("folder".equals(enablesFor)) {
  			enablesForNodeType = IPackageNode.TYPE_PACKAGE_FOLDER;
  		} else if ("fileset".equals(enablesFor)) {
  			enablesForNodeType = IPackageNode.TYPE_PACKAGE_FILESET;
  		}
  	}
  
  	public boolean isEnabledForNodeType (int nodeType)
  	{
  		if (enablesForNodeType == TYPE_ANY) return true;
  		
  		if (nodeType == IPackageNode.TYPE_PACKAGE_REFERENCE)
  			nodeType = IPackageNode.TYPE_PACKAGE;
  		
  		return (enablesForNodeType == nodeType);
  	}
  	
  	public int compareTo(Object o) {
  		if (o instanceof NodeContribution)
  		{
  			NodeContribution other = (NodeContribution) o;
  			if (weight < other.getWeight()) return -1;
  			else if (weight > other.getWeight()) return 1;
  			else if (weight == other.getWeight()) {
  				return label.compareTo(other.getLabel());
  			}
  		}
  		return -1;
  	}
  
  	
  	public IViewActionDelegate getActionDelegate() {
  		return actionDelegate;
  	}
  
  	public ImageDescriptor getIcon() {
  		return icon;
  	}
  
  	public String getId() {
  		return id;
  	}
  
  	public String getLabel() {
  		return label;
  	}
  	
  	public int getWeight() {
  		return weight;
  	}
  }
  
  
  
  1.1      date: 2007/02/17 17:31:38;  author: mculpepper;  state: Exp;jbosside/core/plugins/org.jboss.ide.eclipse.packages.ui/src/main/org/jboss/ide/eclipse/packages/ui/ExtensionManager.java
  
  Index: ExtensionManager.java
  ===================================================================
  package org.jboss.ide.eclipse.packages.ui;
  
  import java.util.ArrayList;
  
  import org.eclipse.core.runtime.IConfigurationElement;
  import org.eclipse.core.runtime.IExtension;
  import org.eclipse.core.runtime.IExtensionPoint;
  import org.eclipse.core.runtime.IExtensionRegistry;
  import org.eclipse.core.runtime.Platform;
  
  public class ExtensionManager {
  	public static final String NODE_POPUP_MENUS_EXTENSION_ID = "org.jboss.ide.eclipse.packages.ui.nodePopupMenus";
  	
  	public static IExtension[] findExtension (String extensionId)
  	{
  		IExtensionRegistry registry = Platform.getExtensionRegistry();
  		IExtensionPoint extensionPoint = registry.getExtensionPoint(extensionId);
  		return extensionPoint.getExtensions();
  	}
  	
  	public static NodeContribution[] findNodePopupMenuContributions ()
  	{
  		ArrayList contributions = new ArrayList();
  		IExtension[] extensions = findExtension(NODE_POPUP_MENUS_EXTENSION_ID);
  		
  		for (int i = 0; i < extensions.length; i++)
  		{
  			IConfigurationElement[] elements = extensions[i].getConfigurationElements();
  			for (int j = 0; j < extensions.length; j++)
  			{
  				contributions.add(new NodeContribution(elements[j]));
  			}
  		}
  		
  		return (NodeContribution[]) contributions.toArray(new NodeContribution[contributions.size()]);
  	}
  }