com.github.sdbg.debug.ui.internal.view.RemoveBreakpointAction.java Source code

Introduction

Here is the source code for com.github.sdbg.debug.ui.internal.view.RemoveBreakpointAction.java

Source

/*
 * Copyright (c) 2013, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.github.sdbg.debug.ui.internal.view;

import com.github.sdbg.debug.ui.internal.SDBGDebugUIPlugin;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.actions.SelectionProviderAction;

/**
 * A selection dependent action to remove a breakpoint.
 */
public class RemoveBreakpointAction extends SelectionProviderAction {
    private IBreakpoint breakpoint;

    protected RemoveBreakpointAction(ISelectionProvider provider) {
        super(provider, "Remove Breakpoint");

        setImageDescriptor(SDBGDebugUIPlugin.getImageDescriptor("obj16/rem_co.gif"));
        setEnabled(false);
    }

    @Override
    public void run() {
        if (breakpoint != null) {
            try {
                breakpoint.delete();
            } catch (CoreException e) {
                SDBGDebugUIPlugin.logError(e);
            }
        }
    }

    @Override
    public void selectionChanged(IStructuredSelection sel) {
        if (sel.size() == 1) {
            breakpoint = (IBreakpoint) DebugPlugin.getAdapter(sel.getFirstElement(), IBreakpoint.class);
        } else {
            breakpoint = null;
        }

        setEnabled(breakpoint != null);
    }
}