de.unioninvestment.eai.portal.portlet.crud.mvp.views.DefaultTextAreaView.java Source code

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Here is the source code for de.unioninvestment.eai.portal.portlet.crud.mvp.views.DefaultTextAreaView.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 de.unioninvestment.eai.portal.portlet.crud.mvp.views;

import com.vaadin.event.LayoutEvents.LayoutClickEvent;
import com.vaadin.event.LayoutEvents.LayoutClickListener;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.Label;
import com.vaadin.ui.RichTextArea;
import com.vaadin.ui.VerticalLayout;

@SuppressWarnings("serial")
public class DefaultTextAreaView extends CustomComponent implements TextAreaView {

    private Presenter presenter;

    /**
     * Initialisierung.
     * 
     * @param width
     *            The desired width of component (@since 1.45). Defaults to
     *            "100%" when not specified.
     * @param height
     *            The desired width of component (@since 1.45). Defaults to
     *            undefined when not specified.
     */
    public DefaultTextAreaView(String width, String height) {
        addStyleName("c-textarea");
        setWidth(width != null ? width : "100%");
        if (height != null) {
            setHeight(height);
        }
        setCompositionRoot(new Label("Initializing..."));
    }

    @Override
    public void setPresenter(TextAreaView.Presenter presenter) {
        this.presenter = presenter;
    }

    @Override
    public void showContent(String xhtml) {
        Label label = new Label(xhtml, ContentMode.HTML);
        VerticalLayout clickLayout = new VerticalLayout(label);
        clickLayout.addLayoutClickListener(new LayoutClickListener() {
            @Override
            public void layoutClick(LayoutClickEvent event) {
                if (event.isDoubleClick()) {
                    presenter.contentAreaClicked();
                }
            }
        });
        setCompositionRoot(clickLayout);
    }

    @Override
    public void showEditor(String xhtml) {

        final RichTextArea richTextArea = new RichTextArea();
        richTextArea.setNullRepresentation("");
        richTextArea.setWidth("100%");
        richTextArea.setValue(xhtml);

        Button saveButton = new Button("Speichern", new Button.ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                String changedContent = (String) richTextArea.getValue();
                presenter.contentChanged(changedContent);
            }
        });

        Button cancelButton = new Button("Abbrechen", new Button.ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                presenter.cancelEditing();
            }
        });

        CssLayout buttons = new CssLayout(saveButton, cancelButton);
        buttons.setStyleName("actions");
        VerticalLayout layout = new VerticalLayout(richTextArea, buttons);
        layout.setSpacing(true);
        if (getHeight() >= 0f) {
            richTextArea.setHeight("100%");
            layout.setExpandRatio(richTextArea, 1f);
        }
        setCompositionRoot(layout);
    }

    @Override
    public void hide() {
        getCompositionRoot().setVisible(false);
    }
}