FacetsListInputDialog.java

// ============================================================================
//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
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package com.amalto.workbench.dialogs;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.amalto.workbench.i18n.Messages;
import com.amalto.workbench.image.EImage;
import com.amalto.workbench.image.ImageCache;

public class FacetsListInputDialog extends Dialog {

    protected List itemsList = null;

    protected Text newItemText = null;

    private ArrayList items = null;

    private SelectionListener caller = null;

    private String title = "";//$NON-NLS-1$

    /**
     * @param parentShell
     */
    public FacetsListInputDialog(SelectionListener caller, Shell parentShell, String title) {
        this(caller, parentShell, title, new ArrayList());
    }

    /**
     * @param parentShell
     */
    public FacetsListInputDialog(SelectionListener caller, Shell parentShell, String title, ArrayList items) {
        super(parentShell);
        this.caller = caller;
        this.title = title;
        this.items = items;
    }

    protected Control createDialogArea(Composite parent) {
        // Should not really be here but well,....
        parent.getShell().setText(this.title);

        Composite composite = (Composite) super.createDialogArea(parent);

        GridLayout layout = (GridLayout) composite.getLayout();
        layout.numColumns = 2;
        // layout.verticalSpacing = 10;

        Label serverLabel = new Label(composite, SWT.NONE);
        serverLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1));
        serverLabel.setText(Messages.FacetsListInputDialog_NewItem);

        newItemText = new Text(composite, SWT.NONE);
        newItemText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
        newItemText.setText("");//$NON-NLS-1$
        ((GridData) newItemText.getLayoutData()).widthHint = 100;

        Button addButton = new Button(composite, SWT.PUSH);
        addButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
        addButton.setImage(ImageCache.getCreatedImage(EImage.ADD_OBJ.getPath()));
        addButton.setToolTipText(Messages.Add);
        parent.getShell().setDefaultButton(addButton);
        addButton.addSelectionListener(new SelectionAdapter() {

            public void widgetSelected(SelectionEvent event) {
                if (!"".equals(newItemText.getText()))//$NON-NLS-1$
                    if (!Arrays.asList(itemsList.getItems()).contains(newItemText.getText())) {
                        itemsList.add(newItemText.getText());
                        newItemText.setText("");//$NON-NLS-1$
                    }
            }
        });

        Button deleteButton = new Button(composite, SWT.PUSH);
        deleteButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
        deleteButton.setImage(ImageCache.getCreatedImage(EImage.DELETE_OBJ.getPath()));
        deleteButton.setToolTipText(Messages.Delete);
        deleteButton.addSelectionListener(new SelectionAdapter() {

            public void widgetSelected(SelectionEvent event) {
                ArrayList<String> backup = new ArrayList<String>(Arrays.asList(itemsList.getItems()));
                java.util.List sels = Arrays.asList(itemsList.getSelection());
                for (Iterator iter = sels.iterator(); iter.hasNext();) {
                    String sel = (String) iter.next();
                    backup.remove(sel);
                }
                itemsList.setItems(backup.toArray(new String[backup.size()]));
            }
        });

        itemsList = new List(composite, SWT.MULTI | SWT.V_SCROLL);
        itemsList.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
        ((GridData) itemsList.getLayoutData()).heightHint = 100;
        for (Iterator iter = items.iterator(); iter.hasNext();) {
            String item = (String) iter.next();
            itemsList.add(item);
        }

        return composite;
    }

    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, false);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
        getButton(IDialogConstants.OK_ID).addSelectionListener(this.caller);

    }

    protected void okPressed() {
        items = new ArrayList<String>();
        items.addAll(Arrays.asList(itemsList.getItems()));
        setReturnCode(OK);
        // no close let Action Handler handle it
    }

    public ArrayList getItems() {
        return items;
    }

}