org.chromium.debug.ui.actions.JsBreakpointPropertiesAction.java Source code

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Here is the source code for org.chromium.debug.ui.actions.JsBreakpointPropertiesAction.java

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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.debug.ui.actions;

import org.chromium.debug.core.model.ChromiumExceptionBreakpoint;
import org.chromium.debug.core.model.ChromiumLineBreakpoint;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.IShellProvider;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.dialogs.PreferencesUtil;

/**
 * Action to bring up the breakpoint properties dialog.
 */
public abstract class JsBreakpointPropertiesAction implements IObjectActionDelegate {

    public static class Line extends JsBreakpointPropertiesAction {
        @Override
        protected boolean isCorrectType(IBreakpoint breakpoint) {
            return breakpoint instanceof ChromiumLineBreakpoint;
        }
    }

    public static class Exception extends JsBreakpointPropertiesAction {
        @Override
        protected boolean isCorrectType(IBreakpoint breakpoint) {
            return breakpoint instanceof ChromiumExceptionBreakpoint;
        }
    }

    private Runnable currentRunnable;
    private IWorkbenchPartSite site = null;

    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
        site = targetPart.getSite();
    }

    public void run(IAction action) {
        currentRunnable.run();
    }

    public void selectionChanged(IAction action, ISelection selection) {
        currentRunnable = createRunnable(selection);
        action.setEnabled(currentRunnable != null);
    }

    protected abstract boolean isCorrectType(IBreakpoint breakpoint);

    private Runnable createRunnable(ISelection selection) {
        if (selection instanceof IStructuredSelection == false) {
            return null;
        }
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (structuredSelection.size() != 1) {
            return null;
        }
        Object element = structuredSelection.getFirstElement();
        if (element instanceof IBreakpoint == false) {
            return null;
        }
        final IBreakpoint breakpoint = (IBreakpoint) element;
        if (!isCorrectType(breakpoint)) {
            return null;
        }

        return new Runnable() {
            public void run() {
                runAction(breakpoint, site);
            }
        };
    }

    protected static void runAction(IBreakpoint breakpoint, IShellProvider shell) {
        PreferenceDialog propertyDialog = PreferencesUtil.createPropertyDialogOn(shell.getShell(), breakpoint,
                (String) null, (String[]) null, null);

        propertyDialog.open();
    }
}