org.eclipse.wb.internal.swt.model.layout.form.LayoutAssistantPageClassic.java Source code

Introduction

Here is the source code for org.eclipse.wb.internal.swt.model.layout.form.LayoutAssistantPageClassic.java

Source

/*******************************************************************************
 * Copyright (c) 2011 Google, Inc.
 * 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:
 *    Google, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.wb.internal.swt.model.layout.form;

import org.eclipse.wb.core.editor.actions.assistant.ILayoutAssistantPage;
import org.eclipse.wb.core.model.ObjectInfo;
import org.eclipse.wb.internal.core.utils.ui.GridDataFactory;
import org.eclipse.wb.internal.core.utils.ui.GridLayoutFactory;
import org.eclipse.wb.internal.swt.model.ModelMessages;
import org.eclipse.wb.internal.swt.model.layout.form.actions.PredefinedAnchorsActions;
import org.eclipse.wb.internal.swt.model.widgets.IControlInfo;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.action.IContributionManager;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Layout assistant page for FormLayout automatic mode.
 * 
 * @author mitin_aa
 */
public final class LayoutAssistantPageClassic<C extends IControlInfo> extends Composite
        implements ILayoutAssistantPage {
    private final List<C> m_selection;
    private final IFormLayoutInfo<C> m_layout;

    ////////////////////////////////////////////////////////////////////////////
    //
    // Constructor
    //
    ////////////////////////////////////////////////////////////////////////////
    @SuppressWarnings("unchecked")
    public LayoutAssistantPageClassic(IFormLayoutInfo<C> layout, Composite parent, Object selection,
            ArrayList<Object> actions) {
        super(parent, SWT.NONE);
        m_layout = layout;
        if (selection instanceof List<?>) {
            m_selection = (List<C>) selection;
        } else {
            m_selection = Collections.singletonList((C) selection);
        }
        // create UI
        GridLayoutFactory.create(this);
        {
            Group group = new Group(this, SWT.NONE);
            GridDataFactory.create(group).fill().grab();
            group.setText(ModelMessages.LayoutAssistantPageClassic_anchorsGroup);
            GridLayoutFactory.create(group);
            {
                ToolBarManager manager = new ToolBarManager();
                GridDataFactory.create(manager.createControl(group)).fill().grab();
                new PredefinedAnchorsActions<C>(m_layout).contributeActions(m_selection, manager);
                manager.update(true);
            }
        }
        {
            Group group = new Group(this, SWT.NONE);
            GridDataFactory.create(group).fill().grab();
            group.setText(ModelMessages.LayoutAssistantPageClassic_alignmentGroup);
            GridLayoutFactory.create(group);
            ToolBarManager manager = new ToolBarManager();
            GridDataFactory.create(manager.createControl(group)).fill().grab();
            fillAlignmentActions(actions, manager);
            manager.update(true);
        }
    }

    private void fillAlignmentActions(ArrayList<Object> actions, IContributionManager manager) {
        for (Object action : actions) {
            if (action instanceof IContributionItem) {
                manager.add((IContributionItem) action);
            } else if (action instanceof IAction) {
                manager.add((IAction) action);
            }
        }
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // ILayoutAssistantPage 
    //
    ////////////////////////////////////////////////////////////////////////////
    public boolean isPageValid() {
        for (C object : m_selection) {
            ObjectInfo parent = object.getParent();
            if (!parent.getChildren().contains(object)) {
                return false;
            }
        }
        return true;
    }

    public void updatePage() {
    }
}