de.catma.ui.dialog.FormDialog.java Source code

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Here is the source code for de.catma.ui.dialog.FormDialog.java

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/*   
 *   CATMA Computer Aided Text Markup and Analysis
 *   
 *   Copyright (C) 2009-2013  University Of Hamburg
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.catma.ui.dialog;

import com.vaadin.data.Validator.InvalidValueException;
import com.vaadin.data.util.BeanItem;
import com.vaadin.data.util.PropertysetItem;
import com.vaadin.event.ShortcutAction.KeyCode;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Field;
import com.vaadin.ui.Form;
import com.vaadin.ui.FormFieldFactory;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

public class FormDialog<T> extends VerticalLayout {

    private Window dialogWindow;
    private Form form;
    private Button btSave;
    private Button btCancel;

    public FormDialog(String caption, PropertysetItem propertysetItem,
            SaveCancelListener<PropertysetItem> saveCancelListener) {
        this(caption, propertysetItem, null, saveCancelListener);
    }

    public FormDialog(String caption, PropertysetItem propertysetItem, FormFieldFactory formFieldFactory,
            SaveCancelListener<PropertysetItem> saveCancelListener) {
        initComponents(caption, propertysetItem, formFieldFactory);
        initAction(saveCancelListener, propertysetItem);
    }

    public FormDialog(String caption, BeanItem<T> beanItem, FormFieldFactory formFieldFactory,
            SaveCancelListener<T> saveCancelListener) {
        initComponents(caption, beanItem, formFieldFactory);
        initAction(saveCancelListener, beanItem);
    }

    private void initAction(final SaveCancelListener<T> saveCancelListener, final BeanItem<T> beanItem) {
        btCancel.addListener(new ClickListener() {

            public void buttonClick(ClickEvent event) {
                dialogWindow.getParent().removeWindow(dialogWindow);
                saveCancelListener.cancelPressed();
            }
        });

        btSave.addListener(new ClickListener() {

            public void buttonClick(ClickEvent event) {
                try {
                    form.commit();
                    dialogWindow.getParent().removeWindow(dialogWindow);
                    saveCancelListener.savePressed(beanItem.getBean());
                } catch (InvalidValueException ignore) {
                }
            }
        });

    }

    private void initAction(final SaveCancelListener<PropertysetItem> saveCancelListener,
            final PropertysetItem propertysetItem) {
        btCancel.addListener(new ClickListener() {

            public void buttonClick(ClickEvent event) {
                dialogWindow.getParent().removeWindow(dialogWindow);
                saveCancelListener.cancelPressed();
            }
        });

        btSave.addListener(new ClickListener() {

            public void buttonClick(ClickEvent event) {
                try {
                    form.commit();
                    dialogWindow.getParent().removeWindow(dialogWindow);
                    saveCancelListener.savePressed(propertysetItem);
                } catch (InvalidValueException ignore) {
                }
            }
        });
    }

    private void initComponents(String caption, final PropertysetItem propertysetItem,
            FormFieldFactory formFieldFactory) {

        setSizeFull();
        setSpacing(true);

        dialogWindow = new Window(caption);
        dialogWindow.setModal(true);

        form = new Form();
        if (formFieldFactory != null) {
            form.setFormFieldFactory(formFieldFactory);
        }
        form.setSizeFull();
        form.setWriteThrough(false);
        form.setInvalidCommitted(false);
        form.setItemDataSource(propertysetItem);

        addComponent(form);

        HorizontalLayout buttonPanel = new HorizontalLayout();
        buttonPanel.setSpacing(true);

        btSave = new Button("Save");

        btSave.setClickShortcut(KeyCode.ENTER);

        btCancel = new Button("Cancel");
        buttonPanel.addComponent(btSave);
        buttonPanel.addComponent(btCancel);

        addComponent(buttonPanel);
        this.setComponentAlignment(buttonPanel, Alignment.BOTTOM_RIGHT);

        dialogWindow.addComponent(this);

        form.focus();
    }

    public Field getField(Object propertyId) {
        return form.getField(propertyId);
    }

    public void show(Window parent, String dialogWidth) {
        dialogWindow.setWidth(dialogWidth);
        parent.addWindow(dialogWindow);
    }

    public void show(Window parent) {
        show(parent, "25%");
    }

    public void setVisibleItemProperties(Object[] visibleProperties) {
        form.setVisibleItemProperties(visibleProperties);
    }

}