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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* 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:
* IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.ide.actions.hidden;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.linuxtools.systemtap.ui.editor.actions.file.NewFileAction;
import org.eclipse.linuxtools.systemtap.ui.ide.editors.stp.STPEditor;
import org.eclipse.linuxtools.systemtap.ui.ide.internal.Localization;
import org.eclipse.linuxtools.systemtap.ui.ide.views.ProbeAliasBrowserView;
import org.eclipse.linuxtools.systemtap.ui.logging.LogManager;
import org.eclipse.linuxtools.systemtap.ui.structures.TreeNode;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.actions.ActionFactory.IWorkbenchAction;
/**
* This <code>Action</code> is fired when the user selects an item in the <code>ProbeAliasBrowserView</code>.
* The action taken is to insert a template probe in the current <code>STPEditor</code>, if available, or to
* insert the probe into a new <code>STPEditor</code> if one does not exist.
* @author Henry Hughes
* @author Ryan Morse
* @see org.eclipse.linuxtools.systemtap.ui.editor.SimpleEditor#insertText(String)
* @see org.eclipse.linuxtools.systemtap.ui.ide.views.ProbeAliasBrowserView
* @see org.eclipse.jface.action.Action
*/
public class ProbeAliasAction extends Action implements ISelectionListener, IWorkbenchAction {
private final IWorkbenchWindow window;
private final ProbeAliasBrowserView viewer;
private static final String ID = "org.eclipse.linuxtools.systemtap.ui.ide.ProbeAliasAction";
private IStructuredSelection selection;
/**
* The Default Constructor. Takes the <code>IWorkbenchWindow</code> that it effects
* as well as the <code>ProbeAliasBrowserView</code> that will fire this action.
* @param window window effected by this event
* @param view browser that fires this action
*/
public ProbeAliasAction(IWorkbenchWindow window, ProbeAliasBrowserView view) {
LogManager.logInfo("initialized", this);
this.window = window;
setId(ID);
setActionDefinitionId(ID);
setText(Localization.getString("ProbeAliasAction.Insert"));
setToolTipText(Localization.getString("ProbeAliasAction.InsertSelectedProbe"));
window.getSelectionService().addSelectionListener(this);
viewer = view;
}
/**
* Updates <code>selection</code> with the current selection whenever the user changes
* the current selection.
*/
public void selectionChanged(IWorkbenchPart part, ISelection incoming) {
if (incoming instanceof IStructuredSelection) {
LogManager.logDebug("Changing selection", this);
selection = (IStructuredSelection) incoming;
setEnabled(selection.size() == 1);
} else {
LogManager.logDebug("Disabling, selection not IStructuredSelection", this);
// Other selections, for example containing text or of other kinds.
setEnabled(false);
}
}
public void dispose() {
window.getSelectionService().removeSelectionListener(this);
LogManager.logInfo("disposed", this);
}
/**
* The main body of the action. This method checks for the current editor, creating one
* if there is no active <code>STPEditor</code>, and then inserts a template probe for the
* item that the user clicked on.
*/
public void run() {
LogManager.logDebug("Start run:", this);
IWorkbenchPage page = window.getActivePage();
IEditorPart editor = page.getActiveEditor();
if(null == editor) {
NewFileAction action = new NewFileAction(page.getWorkbenchWindow());
//action.init(page.getWorkbenchWindow());
action.run();
editor = page.getWorkbenchWindow().getActivePage().getActiveEditor();
}
ISelection incoming = viewer.getViewer().getSelection();
IStructuredSelection selection = (IStructuredSelection)incoming;
Object o = selection.getFirstElement();
if (o instanceof TreeNode) {
TreeNode t = (TreeNode) o;
if(editor instanceof STPEditor) {
STPEditor stpeditor = (STPEditor)editor;
//build the string
StringBuilder s = new StringBuilder("\nprobe "+ t.toString());
if(!t.isClickable())
if(0 <t.getChildCount())
s.append(".*");
else
return;
s.append("\n{\n");
if(t.isClickable() && t.getChildCount() > 0) {
s.append("\t/*\n\t * " +
Localization.getString("ProbeAliasAction.AvailableVariables") +
"\n\t * ");
boolean first = true;
for(int i = 0; i < t.getChildCount(); i++) {
if(first) first = false;
else s.append(", ");
s.append(t.getChildAt(i).toString());
}
s.append("\n\t */\n");
}
s.append("\n}\n");
stpeditor.insertText(s.toString());
}
}
LogManager.logDebug("End run:", this);
}
}
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