org.polarsys.reqcycle.traceability.builder.ui.preferences.TraceabilityBuildersPreferencePage.java Source code

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Here is the source code for org.polarsys.reqcycle.traceability.builder.ui.preferences.TraceabilityBuildersPreferencePage.java

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/*******************************************************************************
 *  Copyright (c) 2013 AtoS
 *  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:
 *    Tristan Faure (AtoS) - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.polarsys.reqcycle.traceability.builder.ui.preferences;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ICheckStateProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.model.BaseWorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.polarsys.reqcycle.traceability.builder.BuilderUtil;

public class TraceabilityBuildersPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

    public TraceabilityBuildersPreferencePage() {
        super();
    }

    @Override
    public void init(IWorkbench workbench) {

    }

    @Override
    protected Control createContents(Composite parent) {
        Composite c = new Composite(parent, SWT.None);
        c.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
        c.setLayout(new GridLayout(1, false));

        Label lblTheCheckedProjects = new Label(c, SWT.NONE);
        lblTheCheckedProjects.setText("The checked projects will be analyzed by ReqCycle traceability engine");

        CheckboxTableViewer checkboxTableViewer = CheckboxTableViewer.newCheckList(c, SWT.BORDER);
        Table table = checkboxTableViewer.getTable();
        checkboxTableViewer.setLabelProvider(new WorkbenchLabelProvider());
        checkboxTableViewer.setContentProvider(new BaseWorkbenchContentProvider());
        checkboxTableViewer.setInput(ResourcesPlugin.getWorkspace().getRoot());
        checkboxTableViewer.setCheckStateProvider(new ICheckStateProvider() {

            @Override
            public boolean isGrayed(Object element) {
                return false;
            }

            @Override
            public boolean isChecked(Object element) {
                if (element instanceof IProject) {
                    IProject project = (IProject) element;
                    return BuilderUtil.isBuilderInstalled(project);
                }
                return false;
            }
        });
        checkboxTableViewer.addFilter(new ViewerFilter() {

            @Override
            public boolean select(Viewer viewer, Object parentElement, Object element) {
                return element instanceof IProject && ((IProject) element).isAccessible();
            }
        });
        checkboxTableViewer.addCheckStateListener(new ICheckStateListener() {

            @Override
            public void checkStateChanged(CheckStateChangedEvent event) {
                Object element = event.getElement();
                if (element instanceof IProject) {
                    IProject project = (IProject) element;
                    if (event.getChecked()) {
                        BuilderUtil.installBuilder(project);
                    } else {
                        BuilderUtil.removeBuilder(project);
                    }
                }
            }
        });
        table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
        return parent;
    }

}