it.eng.spagobi.meta.editor.physical.wizards.inline.RemovedElementsWizardPage.java Source code

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Here is the source code for it.eng.spagobi.meta.editor.physical.wizards.inline.RemovedElementsWizardPage.java

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/**
 SpagoBI, the Open Source Business Intelligence suite
    
 Copyright (C) 2012 Engineering Ingegneria Informatica S.p.A. - SpagoBI Competency Center
 This Source Code Form is subject to the terms of the Mozilla Public
 License, v. 2.0. If a copy of the MPL was not distributed with this file,
 You can obtain one at http://mozilla.org/MPL/2.0/.
     
 **/
package it.eng.spagobi.meta.editor.physical.wizards.inline;

import it.eng.spagobi.commons.resource.IResourceLocator;
import it.eng.spagobi.meta.editor.SpagoBIMetaEditorPlugin;
import it.eng.spagobi.meta.model.provider.SpagoBIMetaModelEditPlugin;

import java.net.URL;
import java.util.List;

import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;

public class RemovedElementsWizardPage extends WizardPage {

    private final List<String> removedElementsNames;

    private static final IResourceLocator RL = SpagoBIMetaEditorPlugin.getInstance().getResourceLocator();

    private boolean automaticDelete = false;

    protected RemovedElementsWizardPage(String pageName, List<String> removedElementsNames) {
        super(pageName);
        setTitle(RL.getString("physical.editor.wizard.update.removedelements.title"));
        setDescription(RL.getString("physical.editor.wizard.update.removedelements.description"));
        ImageDescriptor image = ImageDescriptor
                .createFromURL((URL) RL.getImage("it.eng.spagobi.meta.editor.physical.wizards.inline.updateModel"));
        if (image != null)
            setImageDescriptor(image);

        this.removedElementsNames = removedElementsNames;
    }

    @Override
    public void createControl(Composite parent) {
        // Main composite
        Composite composite = new Composite(parent, SWT.FILL);
        GridLayout gl = new GridLayout();
        gl.numColumns = 1;
        gl.makeColumnsEqualWidth = true;
        composite.setLayout(gl);

        // Columns Group
        Group columnsGroup = new Group(composite, SWT.SHADOW_ETCHED_IN);
        columnsGroup.setText(RL.getString("physical.editor.wizard.update.removedelements.group.label"));
        FillLayout flColumns = new FillLayout();
        GridData gd2 = new GridData(GridData.FILL_BOTH);
        columnsGroup.setLayout(flColumns);
        columnsGroup.setLayoutData(gd2);

        TableViewer tableViewer = new TableViewer(columnsGroup);
        tableViewer.setContentProvider(new ArrayContentProvider());
        tableViewer.setLabelProvider(new ArrayLabelProvider());
        tableViewer.setInput(removedElementsNames);

        Button automaticDeleteCheck = new Button(composite, SWT.CHECK);
        automaticDeleteCheck
                .setText(RL.getString("physical.editor.wizard.update.removedelements.autodelete.label"));

        automaticDeleteCheck.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent event) {
                if (((Button) event.widget).getSelection()) {
                    // checked
                    automaticDelete = true;
                } else {
                    // unchecked
                    automaticDelete = false;
                }
            }
        });

        if (removedElementsNames.isEmpty()) {
            // disable checkbox
            automaticDeleteCheck.setEnabled(false);
        }

        // Important: Setting page control
        setControl(composite);
    }

    /**
     * @return the automaticDelete
     */
    public synchronized boolean isAutomaticDelete() {
        return automaticDelete;
    }

    static class ArrayLabelProvider extends LabelProvider implements ITableLabelProvider {
        @Override
        public String getText(Object element) {
            return getColumnText(element, 0);
        }

        @Override
        public Image getColumnImage(Object element, int columnIndex) {
            if (element instanceof String) {
                String stringElement = (String) element;
                if (stringElement.contains(".")) {
                    // it's a column name
                    return ImageDescriptor
                            .createFromURL((URL) getResourceLocator().getImage("full/obj16/PhysicalColumnDeleted"))
                            .createImage();

                } else {
                    // it's a table name
                    return ImageDescriptor
                            .createFromURL((URL) getResourceLocator().getImage("full/obj16/PhysicalTableDeleted"))
                            .createImage();

                }
            }
            return null;
        }

        @Override
        public String getColumnText(Object element, int columnIndex) {
            if (element instanceof String) {
                return (String) element;
            }
            return null;
        }

    }

    public static ResourceLocator getResourceLocator() {
        return SpagoBIMetaModelEditPlugin.INSTANCE;
    }

}