org2.eclipse.php.internal.debug.ui.views.DebugViewHelper.java Source code

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Here is the source code for org2.eclipse.php.internal.debug.ui.views.DebugViewHelper.java

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/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation 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:
 *   Zend and IBM - Initial implementation
 *******************************************************************************/
package org2.eclipse.php.internal.debug.ui.views;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IDebugElement;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.debug.core.model.RuntimeProcess;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org2.eclipse.php.internal.debug.core.IPHPDebugConstants;
import org2.eclipse.php.internal.debug.core.launching.PHPProcess;
import org2.eclipse.php.internal.debug.core.model.IPHPDebugTarget;
import org2.eclipse.php.internal.debug.core.xdebug.dbgp.model.IDBGpModelConstants;

public class DebugViewHelper {

    public IPHPDebugTarget getSelectionElement(ISelection selection) {
        IDebugElement element = getAdaptableElement();
        if (element == null) {
            if (selection != null) {
                if (selection instanceof StructuredSelection) {
                    StructuredSelection sSelection = (StructuredSelection) selection;
                    if (!sSelection.isEmpty()) {
                        Object first = sSelection.getFirstElement();
                        if (first instanceof IDebugElement)
                            element = (IDebugElement) first;
                    }
                }
            }
        }
        IPHPDebugTarget target = getDebugTarget(element);
        // If target is null try to get target from the last debug process to run
        if (target == null) {
            IProcess process = DebugUITools.getCurrentProcess();
            if (process != null) {
                if (process instanceof PHPProcess) {
                    target = (IPHPDebugTarget) ((PHPProcess) process).getDebugTarget();
                }
            }
        }

        return target;
    }

    private IDebugElement getAdaptableElement() {
        IDebugElement element = null;
        IAdaptable adaptable = DebugUITools.getDebugContext();
        if (adaptable != null) {
            element = (IDebugElement) adaptable.getAdapter(IDebugElement.class);
        }
        if (element == null) {
            if (adaptable instanceof PHPProcess) {
                element = (IDebugElement) ((PHPProcess) adaptable).getDebugTarget();
            } else if (adaptable instanceof RuntimeProcess) {
                // Aptana mod - Support the xdebug process node in the stack view (make sure that the Browser Output
                // gets the data)
                element = ((RuntimeProcess) adaptable).getLaunch().getDebugTarget();
            } else if (adaptable instanceof ILaunch) {
                IDebugTarget[] targets = ((ILaunch) (adaptable)).getDebugTargets();
                for (int i = 0; i < targets.length; i++) {
                    if (targets[i] instanceof IPHPDebugTarget) {
                        element = (IDebugElement) targets[i];
                    }
                }
            }
        }
        return element;
    }

    private IPHPDebugTarget getDebugTarget(IDebugElement element) {
        IPHPDebugTarget target = null;
        if (element != null) {
            if (element.getModelIdentifier().equals(IPHPDebugConstants.ID_PHP_DEBUG_CORE)
                    || element.getModelIdentifier().equals(IDBGpModelConstants.DBGP_MODEL_ID)) {
                target = (IPHPDebugTarget) element.getDebugTarget();
            }
        }
        return target;
    }

}