descent.internal.ui.navigator.PackageExplorerActionProvider.java Source code

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Here is the source code for descent.internal.ui.navigator.PackageExplorerActionProvider.java

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/***************************************************************************************************
 * Copyright (c) 2003, 2006 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: IBM Corporation - initial API and implementation
 **************************************************************************************************/
package descent.internal.ui.navigator;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.actions.ActionContext;
import org.eclipse.ui.navigator.CommonActionProvider;
import org.eclipse.ui.navigator.ICommonActionExtensionSite;
import org.eclipse.ui.navigator.ICommonViewerWorkbenchSite;
import org.eclipse.ui.navigator.IExtensionStateModel;

import descent.internal.ui.JavaPlugin;
import descent.internal.ui.navigator.IExtensionStateConstants.Values;
import descent.internal.ui.wizards.buildpaths.newsourcepage.GenerateBuildPathActionGroup;
import descent.ui.actions.GenerateActionGroup;
import descent.ui.actions.OpenViewActionGroup;
import descent.ui.actions.SetAsActiveProjectAction;
import descent.ui.actions.SetAsActiveProjectActionGroup;

// TODO JDT UI actions: remove comments
public class PackageExplorerActionProvider extends CommonActionProvider {

    private static final int HIERARCHICAL_LAYOUT = 0x1;

    private static final int FLAT_LAYOUT = 0x2;

    private static final String TAG_LAYOUT = "descent.internal.ui.navigator.layout"; //$NON-NLS-1$

    private CommonLayoutActionGroup fLayoutActionGroup;

    private IExtensionStateModel fStateModel;

    private OpenViewActionGroup fOpenViewGroup;

    //private JavaSearchActionGroup fSearchGroup;

    private GenerateBuildPathActionGroup fBuildPathGroup;

    private GenerateActionGroup fGenerateGroup;

    private SetAsActiveProjectActionGroup fSetAsActiveProjectActionGroup;

    private boolean fInViewPart = false;
    private boolean fHasFilledViewMenu = false;

    public void fillActionBars(IActionBars actionBars) {
        if (!fHasFilledViewMenu) {
            fLayoutActionGroup.fillActionBars(actionBars);
            fHasFilledViewMenu = true;
        }
        if (fInViewPart) {
            fOpenViewGroup.fillActionBars(actionBars);
            fBuildPathGroup.fillActionBars(actionBars);
            fGenerateGroup.fillActionBars(actionBars);
            //fSearchGroup.fillActionBars(actionBars);
            fSetAsActiveProjectActionGroup.fillActionBars(actionBars);
        }

    }

    public void fillContextMenu(IMenuManager menu) {

        if (fInViewPart) {
            fOpenViewGroup.fillContextMenu(menu);
            fBuildPathGroup.fillContextMenu(menu);
            fGenerateGroup.fillContextMenu(menu);
            //fSearchGroup.fillContextMenu(menu);

            fSetAsActiveProjectActionGroup.fillContextMenu(menu);
        }
    }

    public void init(ICommonActionExtensionSite site) {

        ICommonViewerWorkbenchSite workbenchSite = null;
        if (site.getViewSite() instanceof ICommonViewerWorkbenchSite)
            workbenchSite = (ICommonViewerWorkbenchSite) site.getViewSite();

        fStateModel = site.getExtensionStateModel();

        fLayoutActionGroup = new CommonLayoutActionGroup(site.getStructuredViewer(), fStateModel);

        if (workbenchSite != null) {
            if (workbenchSite.getPart() != null && workbenchSite.getPart() instanceof IViewPart) {
                IViewPart viewPart = (IViewPart) workbenchSite.getPart();

                fOpenViewGroup = new OpenViewActionGroup(viewPart, site.getStructuredViewer()) {
                    protected boolean getShowProperties() {
                        return false;
                    }
                };
                fGenerateGroup = new GenerateActionGroup(viewPart);
                //fSearchGroup = new JavaSearchActionGroup(viewPart);
                fBuildPathGroup = new GenerateBuildPathActionGroup(viewPart);
                fSetAsActiveProjectActionGroup = new SetAsActiveProjectActionGroup(viewPart);

                fInViewPart = true;
            }

        }

    }

    public void setContext(ActionContext context) {
        super.setContext(context);
        if (fInViewPart) {
            fOpenViewGroup.setContext(context);
            fGenerateGroup.setContext(context);
            //fSearchGroup.setContext(context);
            fBuildPathGroup.setContext(context);
            fSetAsActiveProjectActionGroup.setContext(context);
        }
    }

    public void restoreState(IMemento memento) {
        super.restoreState(memento);
        restoreLayoutState(memento);
    }

    private void restoreLayoutState(IMemento memento) {
        boolean isCurrentLayoutFlat = true;
        Integer state = null;
        if (memento != null)
            state = memento.getInteger(TAG_LAYOUT);

        // If no memento try an restore from preference store
        if (state == null) {
            IPreferenceStore store = JavaPlugin.getDefault().getPreferenceStore();
            state = new Integer(store.getInt(TAG_LAYOUT));
        }

        if (state.intValue() == FLAT_LAYOUT)
            isCurrentLayoutFlat = true;
        else if (state.intValue() == HIERARCHICAL_LAYOUT)
            isCurrentLayoutFlat = false;

        fStateModel.setBooleanProperty(Values.IS_LAYOUT_FLAT, isCurrentLayoutFlat);
        fLayoutActionGroup.setFlatLayout(isCurrentLayoutFlat);
    }

    public void saveState(IMemento aMemento) {
        super.saveState(aMemento);
        IPreferenceStore store = JavaPlugin.getDefault().getPreferenceStore();
        if (fStateModel.getBooleanProperty(Values.IS_LAYOUT_FLAT))
            store.setValue(TAG_LAYOUT, FLAT_LAYOUT);
        else
            store.setValue(TAG_LAYOUT, HIERARCHICAL_LAYOUT);

    }

}