de.walware.statet.r.internal.debug.ui.breakpoints.RMethodBreakpointDetailEditor.java Source code

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/*=============================================================================#
 # Copyright (c) 2010-2015 Stephan Wahlbrink (WalWare.de) 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:
 #     Stephan Wahlbrink - initial API and implementation
 #=============================================================================*/

package de.walware.statet.r.internal.debug.ui.breakpoints;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.WritableValue;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IPropertyListener;

import de.walware.ecommons.FastList;
import de.walware.ecommons.ui.util.LayoutUtil;

import de.walware.statet.r.debug.core.breakpoints.IRMethodBreakpoint;

public class RMethodBreakpointDetailEditor extends RLineBreakpointDetailEditor {

    private IRMethodBreakpoint fBreakpoint;

    private Button fEntryControl;
    private Button fExitControl;

    private WritableValue fEntryValue;
    private WritableValue fExitValue;

    public RMethodBreakpointDetailEditor(final boolean mnemonics, final boolean autosave,
            final FastList<IPropertyListener> listeners) {
        super(mnemonics, autosave, listeners);
    }

    @Override
    protected void addContent(final Composite composite) {
        {
            final Composite methodOptions = createMethodOptions(composite);
            methodOptions.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
        }

        super.addContent(composite);
    }

    protected Composite createMethodOptions(final Composite parent) {
        final Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(LayoutUtil.applyCompositeDefaults(new GridLayout(), 3));

        fEntryControl = new Button(composite, SWT.CHECK);
        fEntryControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
        fEntryControl.setText(checkLabel("&Entry"));

        fExitControl = new Button(composite, SWT.CHECK);
        fExitControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
        fExitControl.setText(checkLabel("&Exit"));

        return composite;
    }

    @Override
    protected void addBindings(final DataBindingContext dbc, final Realm realm) {
        super.addBindings(dbc, realm);

        fEntryValue = new WritableValue(realm, Boolean.FALSE, Boolean.class);
        fExitValue = new WritableValue(realm, Boolean.FALSE, Boolean.class);

        enableAutosave(dbc.bindValue(SWTObservables.observeSelection(fEntryControl), fEntryValue));
        enableAutosave(dbc.bindValue(SWTObservables.observeSelection(fExitControl), fExitValue));
    }

    @Override
    public void doSetInput(final Object input) {
        super.doSetInput(input);

        fBreakpoint = null;
        boolean control = false;
        boolean entry = false;
        boolean exit = false;

        if (input instanceof IRMethodBreakpoint) {
            fBreakpoint = (IRMethodBreakpoint) input;

            try {
                entry = fBreakpoint.isEntry();
                exit = fBreakpoint.isExit();
            } catch (final CoreException e) {
                logLoadError(e);
            }

            control = true;
        }

        fEntryControl.setEnabled(control);
        fExitControl.setEnabled(control);

        fEntryValue.setValue(entry);
        fExitValue.setValue(exit);
    }

    @Override
    public void doSave() {
        super.doSave();

        if (fBreakpoint != null) {
            try {
                fBreakpoint.setEntry((Boolean) fEntryValue.getValue());
                fBreakpoint.setExit((Boolean) fExitValue.getValue());
            } catch (final CoreException e) {
                logSaveError(e);
            }
        }
    }

}