com.amitinside.e4.rcp.todo.parts.SampleUIAdapt.java Source code

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Here is the source code for com.amitinside.e4.rcp.todo.parts.SampleUIAdapt.java

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/*******************************************************************************
 * Copyright (C) 2015 - Amit Kumar Mondal <admin@amitinside.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.amitinside.e4.rcp.todo.parts;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

import org.eclipse.core.databinding.observable.list.IListChangeListener;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.list.ListChangeEvent;
import org.eclipse.core.databinding.observable.list.WritableList;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.ui.di.UIEventTopic;
import org.eclipse.e4.ui.workbench.IWorkbench;
import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboBoxViewerCellEditor;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Section;

import com.amitinside.e4.rcp.model.emf.Todo.Todo;
import com.amitinside.e4.rcp.model.emf.Todo.TodoPackage;
import com.amitinside.e4.rcp.model.emf.service.ITodoEMFService;
import com.amitinside.e4.rcp.todo.events.MyEventConstants;

import de.ralfebert.rcputils.random.RandomData;
import de.ralfebert.rcputils.tables.TableViewerBuilder;

public final class SampleUIAdapt {

    private final ITodoEMFService service;
    private final ESelectionService selectionService;
    private TableViewerBuilder t;
    private final IObservableList list;
    private final IEclipseContext context;
    private final IWorkbench workbench;

    @Inject
    String name;

    private final IListChangeListener listener = new IListChangeListener() {

        @Override
        public void handleListChange(ListChangeEvent paramListChangeEvent) {
            updateViewer();
        }
    };

    @Inject
    public SampleUIAdapt(ESelectionService selectionService, IEclipseContext context, IWorkbench workbench,
            ITodoEMFService service) {
        this.service = service;
        this.selectionService = selectionService;
        this.context = context;
        this.workbench = workbench;
        list = new WritableList();
    }

    @PostConstruct
    public void createControl(Composite parent) {

        System.out.println("NAME=====>" + name);
        System.out.println(context.get("test"));

        final FormToolkit toolkit = new FormToolkit(parent.getDisplay());

        // Creating the Screen
        final Section section = toolkit.createSection(parent, Section.DESCRIPTION | Section.TITLE_BAR);
        section.setText("Section 1 for demonstration"); //$NON-NLS-1$
        section.setDescription("This demonstrates the usage of section");

        // Composite for storing the data
        final Composite client = toolkit.createComposite(section, SWT.WRAP);

        t = new TableViewerBuilder(client);

        t.createColumn("Summary").bindToProperty(TodoPackage.Literals.TODO__SUMMARY.getName()).makeEditable()
                .build();

        t.createColumn("Description").makeEditable().setPixelWidth(300).useAsDefaultSortColumn()
                .bindToProperty(TodoPackage.Literals.TODO__DESCRIPTION.getName()).build();

        t.getTableViewer().addSelectionChangedListener(new ISelectionChangedListener() {
            @Override
            public void selectionChanged(SelectionChangedEvent event) {
                final IStructuredSelection selection = (IStructuredSelection) t.getTableViewer().getSelection();
                selectionService.setSelection(selection.getFirstElement());
            }
        });

        final ComboBoxViewerCellEditor cityComboEditor = new ComboBoxViewerCellEditor(t.getTable(), SWT.READ_ONLY);
        cityComboEditor.setContentProvider(ArrayContentProvider.getInstance());
        cityComboEditor.setLabelProvider(new LabelProvider());
        cityComboEditor.setInput(RandomData.CITIES);

        t.createColumn("Notes").makeEditable(cityComboEditor)
                .bindToProperty(TodoPackage.Literals.TODO__NOTE.getName()).build();

        toolkit.adapt(t.getTable(), true, true);

        t.getTableViewer().setContentProvider(ArrayContentProvider.getInstance());

        list.addAll(service.getTodos());
        list.addListChangeListener(listener);

        t.getTableViewer().setInput(list);

        section.setClient(client);

    }

    private void updateViewer() {
        t.getTableViewer().refresh();
    }

    @Inject
    @Optional
    private void getNotified(@UIEventTopic(MyEventConstants.TOPIC_TODO_ALLTOPICS) Todo todo) {
        if (t.getTableViewer() != null) {
            list.clear();
            list.addAll(service.getTodos());
        }
    }
}