org.eclipse.emf.eef.runtime.ui.gwt.dialog.CreateObjectDialog.java Source code

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Here is the source code for org.eclipse.emf.eef.runtime.ui.gwt.dialog.CreateObjectDialog.java

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/*******************************************************************************
 * Copyright (c) 2008, 2011 Obeo.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Obeo - initial API and implementation
 *******************************************************************************/
package org.eclipse.emf.eef.runtime.ui.gwt.dialog;

import java.util.List;

import org.eclipse.emf.eef.runtime.ui.gwt.editor.util.EventProcess;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * @author glefur
 * 
 */
public class CreateObjectDialog extends DialogBox {

    private List<?> input;
    private ListBox listBox;
    private Object result;

    /**
     * 
     */
    public CreateObjectDialog() {
        super();
        this.setText("Create Object");
        listBox = new ListBox();
        listBox.setVisibleItemCount(1);
        final Button okButton = new Button("OK");
        final Button cancelButton = new Button("Cancel");
        VerticalPanel verticalPanel = new VerticalPanel();
        Grid grid = new Grid();
        grid.setWidth("50em");
        grid.resize(2, 2);
        grid.getColumnFormatter().setWidth(0, "15%");
        grid.getColumnFormatter().setWidth(1, "85%");
        Label classLabel = new Label();
        classLabel.setText("Class");
        grid.setWidget(0, 0, classLabel);
        grid.setWidget(0, 1, listBox);
        verticalPanel.add(grid);
        // verticalPanel.add(okButton);
        grid.setWidget(1, 0, okButton);
        grid.setWidget(1, 1, cancelButton);
        this.setWidget(verticalPanel);
        open();
        okButton.addClickHandler(new ClickHandler() {

            public void onClick(ClickEvent event) {
                hide();
                result = processOk(input.get(listBox.getSelectedIndex()));
            }
        });
        cancelButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                hide();
                processCancel();
            }
        });
    }

    /**
     * @param input
     */
    public void setInput(List<?> input) {
        for (Object object : input) {
            listBox.addItem(getString(object));
        }
    }

    /**
     * open the dialog
     */
    public void open() {
        this.show();
        listBox.setFocus(true);
    }

    /**
     * @return the result
     */
    public Object getResult() {
        return result;
    }

    /**
     * Ok button pressed.
     * 
     * @return
     */
    protected Object processOk(Object selection) {
        return null;
    }

    /**
     * Cancel button pressed.
     */
    protected void processCancel() {

    }

    /**
     * @param object
     * @return
     */
    public String getString(Object object) {
        return object.toString();
    }

}