eu.esdihumboldt.hale.ui.codelist.selector.CodeListSelectionDialog.java Source code

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Here is the source code for eu.esdihumboldt.hale.ui.codelist.selector.CodeListSelectionDialog.java

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/*
 * Copyright (c) 2012 Data Harmonisation Panel
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     HUMBOLDT EU Integrated Project #030962
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */
package eu.esdihumboldt.hale.ui.codelist.selector;

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

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;

import eu.esdihumboldt.hale.common.codelist.CodeList;
import eu.esdihumboldt.hale.ui.codelist.internal.Messages;

/**
 * Dialog showing the properties of a schema item
 * 
 * @author Simon Templer
 * @partner 01 / Fraunhofer Institute for Computer Graphics Research
 */
public class CodeListSelectionDialog extends TitleAreaDialog {

    private static final int NONE_ID = IDialogConstants.CLIENT_ID + 1;

    private CodeList codeList;

    private final List<CodeListSelector> selectors = new ArrayList<CodeListSelector>();

    private TabFolder tabFolder;

    private final String message;

    /**
     * Constructor
     * 
     * @param parentShell the parent shell
     * @param codeList the current code list
     * @param message the message
     */
    public CodeListSelectionDialog(Shell parentShell, CodeList codeList, String message) {
        super(parentShell);

        this.codeList = codeList;
        this.message = message;
    }

    /**
     * @see TitleAreaDialog#createContents(Composite)
     */
    @Override
    protected Control createContents(Composite parent) {
        Control control = super.createContents(parent);

        // setMessage("");
        setTitle(Messages.CodeListSelectionDialog_0); //$NON-NLS-1$

        return control;
    }

    /**
     * @see Window#configureShell(Shell)
     */
    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);

        newShell.setText(Messages.CodeListSelectionDialog_1); //$NON-NLS-1$
    }

    /**
     * @see TitleAreaDialog#createDialogArea(Composite)
     */
    @Override
    protected Control createDialogArea(Composite parent) {
        setMessage(message, IMessageProvider.INFORMATION);

        Composite page = new Composite(parent, SWT.NONE);
        GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
        data.widthHint = 600;
        page.setLayoutData(data);

        GridLayout pageLayout = new GridLayout(2, false);
        pageLayout.marginLeft = 0;
        pageLayout.marginTop = 0;
        pageLayout.marginLeft = 0;
        pageLayout.marginBottom = 0;
        page.setLayout(pageLayout);

        tabFolder = new TabFolder(page, SWT.TOP);
        tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        // list
        TabItem listItem = new TabItem(tabFolder, SWT.NONE);
        listItem.setText(Messages.CodeListSelectionDialog_2); //$NON-NLS-1$
        ListSelector listSelector = new ListSelector(tabFolder);
        listItem.setControl(listSelector.getControl());
        selectors.add(listSelector);

        // file
        // FIXME Update
        //      TabItem fileItem = new TabItem(tabFolder, SWT.NONE);
        //      fileItem.setText(Messages.CodeListSelectionDialog_3); //$NON-NLS-1$
        //      FileSelector fileSelector = new FileSelector(tabFolder);
        //      fileItem.setControl(fileSelector.getControl());
        //      selectors.add(fileSelector);
        //      if (codeList != null) {
        //         fileSelector.setLocation(codeList.getLocation());
        //      }

        // initial state
        if (listSelector.selectCodeList(codeList)) {
            tabFolder.setSelection(listItem);
        }
        // FIXME Update
        //      else {
        //         tabFolder.setSelection(fileItem);
        //      }

        return page;
    }

    /**
     * @see Dialog#createButtonsForButtonBar(Composite)
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);

        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);

        createButton(parent, NONE_ID, Messages.CodeListSelectionDialog_4, //$NON-NLS-1$
                false);
    }

    /**
     * @see Dialog#okPressed()
     */
    @Override
    protected void okPressed() {
        CodeListSelector selector = selectors.get(tabFolder.getSelectionIndex());

        CodeList codeList = selector.getCodeList();

        if (codeList != null) {
            this.codeList = codeList;

            super.okPressed();
        } else {
            // setErrorMessage("Invalid code list selection");
            MessageDialog.openError(getShell(), Messages.CodeListSelectionDialog_5,
                    Messages.CodeListSelectionDialog_6); //$NON-NLS-1$ //$NON-NLS-2$
        }
    }

    /**
     * @see Dialog#buttonPressed(int)
     */
    @Override
    protected void buttonPressed(int buttonId) {
        switch (buttonId) {
        case NONE_ID:
            this.codeList = null;
            setReturnCode(OK);
            close();
            break;
        default:
            super.buttonPressed(buttonId);
        }
    }

    /**
     * @return the codeList
     */
    public CodeList getCodeList() {
        return codeList;
    }

}