com.jain.addon.action.confirm.ConfirmWindow.java Source code

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Here is the source code for com.jain.addon.action.confirm.ConfirmWindow.java

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/* 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.jain.addon.action.confirm;

import com.jain.addon.JNIComponentInit;
import com.jain.addon.JNStyleConstants;
import com.jain.addon.StringHelper;
import com.jain.addon.action.ActionMenuBar;
import com.jain.addon.action.JNAction;
import com.jain.addon.event.MethodExpression;
import com.jain.addon.i18N.component.I18NWindow;
import com.jain.addon.resource.PropertyReader;
import com.vaadin.server.ThemeResource;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;

/**
 * <code>ConfirmWindow<code> is a window called for confirmation.
 * @author Lokesh Jain
 * @since Jan 01, 2013
 * @version 1.1.2
 */
@SuppressWarnings("serial")
public class ConfirmWindow extends I18NWindow {
    private final MethodExpression action;
    private Object[] parameters;

    public ConfirmWindow(final MethodExpression action, Object... parameters) {
        this.action = action;
        this.parameters = parameters;
        setCaption(action.getConfirm().title());
    }

    @JNIComponentInit
    public void init() {
        setModal(true);
        setWidth("25%");

        VerticalLayout layout = new VerticalLayout();
        setContent(layout);

        layout.setWidth("100%");
        layout.setMargin(true);
        layout.setSpacing(true);
        layout.setStyleName(JNStyleConstants.J_ALTERNATE_VIEW);

        JNConfirm confirm = action.getConfirm();
        HorizontalLayout hLayout = new HorizontalLayout();
        hLayout.setSpacing(true);
        hLayout.setWidth("100%");
        findNAddIcon(confirm, hLayout);

        Label label = new Label(confirm.message());
        label.setContentMode(confirm.mode());
        hLayout.addComponent(label);
        hLayout.setExpandRatio(label, 2);
        layout.addComponent(hLayout);
        layout.setComponentAlignment(hLayout, Alignment.MIDDLE_CENTER);

        ActionMenuBar<ConfirmWindow> menuBar = new ActionMenuBar<ConfirmWindow>(null, this);
        layout.addComponent(menuBar);
        layout.setExpandRatio(menuBar, 2);
        layout.setComponentAlignment(menuBar, Alignment.MIDDLE_CENTER);
    }

    @JNAction(name = "confirm.window.confirm.action.name", actionGroup = "confirm.window.action.group.name", tabIndex = 10, icon = "confirm.window.confirm.action.icon")
    public void confirm() {
        action.invoke(parameters);
        getUI().removeWindow(this);
    }

    @JNAction(name = "confirm.window.cancel.action.name", actionGroup = "confirm.window.action.group.name", tabIndex = 11, icon = "confirm.window.cancel.action.icon")
    public void cancel() {
        getUI().removeWindow(this);
    }

    /**
     * 
     * @param confirm
     * @param layout
     */
    private void findNAddIcon(JNConfirm confirm, HorizontalLayout layout) {
        if (StringHelper.isNotEmptyWithTrim(confirm.icon())) {
            String iconPath = PropertyReader.instance().getProperty(confirm.icon());

            if (StringHelper.isNotEmptyWithTrim(iconPath)) {
                Label label = new Label();
                ThemeResource icon = new ThemeResource(iconPath);
                label.setIcon(icon);
                layout.addComponent(label);
                layout.setComponentAlignment(label, Alignment.MIDDLE_CENTER);
            }
        }
    }
}