uk.co.saiman.eclipse.model.ui.provider.editor.TreeEditor.java Source code

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Here is the source code for uk.co.saiman.eclipse.model.ui.provider.editor.TreeEditor.java

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/*
 * Copyright (C) 2018 Scientific Analysis Instruments Limited <contact@saiman.co.uk>
 *          ______         ___      ___________
 *       ,'========\     ,'===\    /========== \
 *      /== \___/== \  ,'==.== \   \__/== \___\/
 *     /==_/____\__\/,'==__|== |     /==  /
 *     \========`. ,'========= |    /==  /
 *   ___`-___)== ,'== \____|== |   /==  /
 *  /== \__.-==,'==  ,'    |== '__/==  /_
 *  \======== /==  ,'      |== ========= \
 *   \_____\.-\__\/        \__\\________\/
 *
 * This file is part of uk.co.saiman.eclipse.ui.edit.
 *
 * uk.co.saiman.eclipse.ui.edit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * uk.co.saiman.eclipse.ui.edit is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package uk.co.saiman.eclipse.model.ui.provider.editor;

import static uk.co.saiman.eclipse.model.ui.Package.eINSTANCE;

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

import javax.annotation.PostConstruct;

import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory;
import org.eclipse.e4.ui.model.application.MContribution;
import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.EMFProperties;
import org.eclipse.emf.databinding.edit.EMFEditProperties;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;

import uk.co.saiman.eclipse.model.ui.provider.editor.ListComponentManager.Type;

public class TreeEditor extends AbstractEditor {
    private ListComponentManager childrenComponent;
    @SuppressWarnings("rawtypes")
    private final IListProperty CHILDREN = EMFProperties.list(UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);

    @PostConstruct
    void init() {
        childrenComponent = new ListComponentManager(this, Messages,
                UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN, this::handleCreate,
                new Type(getString("_UI_Cell_type"),
                        ImageDescriptor.createFromFile(VListEditor.class, "/icons/full/obj16/Cell.gif"),
                        eINSTANCE.getCell()),
                new Type(getString("_UI_HandledCell_type"),
                        ImageDescriptor.createFromFile(VListEditor.class, "/icons/full/obj16/HandledCell.gif"),
                        eINSTANCE.getHandledCell()),
                new Type(getString("_UI_EditableCell_type"),
                        ImageDescriptor.createFromFile(VListEditor.class, "/icons/full/obj16/EditableCell.gif"),
                        eINSTANCE.getEditableCell()));
    }

    @Override
    protected void refreshEditor() {
        // listEditor.getViewer().setInput(o.getList());
    }

    private EObject handleCreate(Type type) {
        final EObject handler = EcoreUtil.create(type.eClass);
        setElementId(handler);
        return handler;
    }

    @Override
    public String getLabel(Object element) {
        return getString("_UI_Tree_type");
    }

    @Override
    public Image getImage(Object element) {
        return ImageDescriptor.createFromFile(VListEditor.class, "/icons/full/obj16/Tree.gif").createImage();
    }

    @Override
    public String getDetailLabel(Object element) {
        final MContribution contrib = (MContribution) element;
        if (contrib.getContributionURI() != null && contrib.getContributionURI().trim().length() > 0) {
            return contrib.getContributionURI().substring(contrib.getContributionURI().lastIndexOf('/') + 1);
        }
        return null;
    }

    @Override
    public String getDescription(Object element) {
        return getString("_UI_Tree_editor_description");
    }

    @Override
    protected void createDefaultControls(Composite parent, EMFDataBindingContext context,
            IObservableValue<?> master, IWidgetValueProperty textProp) {
        createElementIdControl(parent, context, master, textProp);
        createContributionControl(parent, context);
        createEditableControl(parent, context);
        createChildrenControl(parent);
        createPersistedStateControl(parent);
    }

    @SuppressWarnings("unchecked")
    private void createChildrenControl(Composite parent) {
        childrenComponent.createForm(parent);
        childrenComponent.getViewer().setInput(CHILDREN.observeDetail(getMaster()));
    }

    private void createEditableControl(Composite parent, EMFDataBindingContext context) {
        ControlFactory.createCheckBox(parent, getString("_UI_Tree_editable_feature"), getMaster(), context,
                WidgetProperties.selection(),
                EMFEditProperties.value(getEditingDomain(), eINSTANCE.getTree_Editable()));
    }

    @Override
    protected void createSupplementaryControls(Composite parent) {
        createContextVariablesControl(parent);
        createTagsControl(parent);
    }

    @Override
    public List<Action> getActions(Object element) {
        List<Action> actions = new ArrayList<>(super.getActions(element));
        actions.addAll(childrenComponent.getActions());
        return actions;
    }

    @SuppressWarnings("unchecked")
    @Override
    public IObservableList<?> getChildList(Object element) {
        return CHILDREN.observe(element);
    }
}