com.foc.vaadin.gui.components.FVExpandingTextAreaPopupViewContent.java Source code

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Here is the source code for com.foc.vaadin.gui.components.FVExpandingTextAreaPopupViewContent.java

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/*******************************************************************************
 * Copyright 2016 Antoine Nicolas SAMAHA
 * 
 * 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.foc.vaadin.gui.components;

import org.xml.sax.Attributes;

import com.foc.Globals;
import com.foc.property.FProperty;
import com.foc.shared.dataStore.IFocData;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.ui.Component;
import com.vaadin.ui.PopupView;

@SuppressWarnings("serial")
public class FVExpandingTextAreaPopupViewContent implements PopupView.Content {

    private StringBuilder htmlStringBuilder = null;
    private FVExpandingTextArea expandingTextArea = null;
    private PopupView popupView = null;
    private FProperty property = null;
    private Attributes attributes = null;

    public FVExpandingTextAreaPopupViewContent(FProperty property, Attributes attributes) {
        this.property = property;
        this.attributes = attributes;
    }

    public void dispose() {
        if (expandingTextArea != null) {
            expandingTextArea.dispose();
            expandingTextArea = null;
        }
        htmlStringBuilder = null;
        property = null;
        attributes = null;
        popupView = null;
    }

    public IFocData getFocData() {
        return property;
    }

    public void setFocData(IFocData focData) {
        try {
            if (focData instanceof FProperty) {
                property = (FProperty) focData;
            }
        } catch (ClassCastException e) {
            Globals.logExceptionWithoutPopup(e);
        }
    }

    @Override
    public String getMinimizedValueAsHTML() {
        String value = "";
        if (getFocData() != null) {
            value = (String) getFocData().iFocData_getValue();
        }
        //      String html = "<div class=\"v-table-cell-wrapper\" style=\"text-align: left; padding-left: 90px; \"><span class=\"v-treetable-treespacer\" style=\"width: 90px;\"></span>"+value+"</div>";
        return getHtmlStringBuilder(value).toString();
    }

    private StringBuilder getHtmlStringBuilder(String value) {
        if (htmlStringBuilder == null) {
            htmlStringBuilder = new StringBuilder();
        }
        htmlStringBuilder.replace(0, htmlStringBuilder.length(), "");

        htmlStringBuilder.append("<div ");
        htmlStringBuilder.append(" class=\"v-table-cell-wrapper\"");
        htmlStringBuilder.append(">");
        htmlStringBuilder.append(value);
        htmlStringBuilder.append("</div>");

        return htmlStringBuilder;
    }

    @Override
    public Component getPopupComponent() {
        return getPopupComponent(true);
    }

    public Component getPopupComponent(boolean createIfNeeded) {
        if (expandingTextArea == null && createIfNeeded) {
            expandingTextArea = new FVExpandingTextArea(property, attributes);
            if (property != null) {
                expandingTextArea.setValue(String.valueOf(property.getValue()));
            }
            expandingTextArea.addValueChangeListener(new ValueChangeListener() {
                @Override
                public void valueChange(ValueChangeEvent event) {
                    if (event != null && event.getProperty() != null && property != null) {
                        if (getPopupView() != null) {
                            getPopupView().setPopupVisible(false);
                        }
                        property.setObject(event.getProperty().getValue());
                    }
                }
            });
        }
        return expandingTextArea;
    }

    public PopupView getPopupView() {
        return popupView;
    }

    public void setPopupView(PopupView popupView) {
        this.popupView = popupView;
    }

}