com.foc.vaadin.gui.layouts.FVCustomLayout.java Source code

Introduction

Here is the source code for com.foc.vaadin.gui.layouts.FVCustomLayout.java

Source

/*******************************************************************************
 * 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.layouts;

import java.io.InputStream;

import org.xml.sax.Attributes;

import com.foc.Globals;
import com.foc.dataDictionary.FocDataDictionary;
import com.foc.shared.dataStore.IFocData;
import com.foc.util.Utils;
import com.foc.vaadin.FocCentralPanel;
import com.foc.vaadin.gui.FocXMLGuiComponentDelegate;
import com.foc.vaadin.gui.FocXMLGuiComponentStatic;
import com.foc.vaadin.gui.XMLBuilder;
import com.foc.vaadin.gui.xmlForm.FXML;
import com.foc.vaadin.gui.xmlForm.FocXMLLayout;
import com.vaadin.ui.AbsoluteLayout.ComponentPosition;
import com.vaadin.ui.Component;
import com.vaadin.ui.CustomLayout;
import com.vaadin.ui.Field;

public class FVCustomLayout extends CustomLayout implements FVLayout {

    private String name;
    private String type;
    private boolean isDragDropEnabled;
    private Attributes attributes = null;
    private FocXMLGuiComponentDelegate delegate = null;
    private FocXMLLayout xmlLayout = null;

    public FVCustomLayout(FocXMLLayout xmlLayout, Attributes attributes) {
        this();
        this.xmlLayout = xmlLayout;
        setAttributes(attributes);
    }

    public FVCustomLayout() {
        super();
        delegate = new FocXMLGuiComponentDelegate(this);

        setCaption("");
        addStyleName(FVLayout.DEFAULT_STYLE);
    }

    @Override
    public void dispose() {
        name = null;
        type = null;
        attributes = null;
        if (delegate != null) {
            delegate.dispose();
            delegate = null;
        }
        xmlLayout = null;
        removeAllComponents();
    }

    @Override
    public void setWYSIWYGDropHandler() {
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String getType() {
        return type;
    }

    @Override
    public void setType(String type) {
        this.type = type;
    }

    @Override
    public void addComponent(Component comp, Attributes attributes) {
        //    String idx = attributes != null ? attributes.getValue(FXML.ATT_IDX) : null;
        //    
        //    int idxInt = -1;
        //    try{
        //       idxInt = idx != null ? Integer.parseInt(idx)+1 : -1;
        //    }catch(Exception e){
        //    }
        //    
        //    if(idxInt >= getComponentCount()) idxInt = -1; 
        //    
        //    if (idxInt < 0) {
        //      addComponent(comp);
        //    } else {
        //      addComponent(comp, idxInt);
        //    }
        //    
        //    if(attributes != null && attributes.getValue(FXML.ATT_ALIGNMENT) != null) {
        //      FocXMLGuiComponentStatic.applyAlignment(this, comp, attributes.getValue(FXML.ATT_ALIGNMENT));
        //    }
    }

    @Override
    public void setDragDrop(boolean state) {
        //    if (state) {
        //      setDragMode(LayoutDragMode.CLONE);
        //      isDragDropEnabled = true;
        //    }
        //    else {
        //      setDragMode(LayoutDragMode.NONE);
        //      isDragDropEnabled = false;
        //    }
    }

    @Override
    public boolean isDragDrop() {
        return isDragDropEnabled;
    }

    @Override
    public ComponentPosition getPosition(Component comp) {
        return null;
    }

    @Override
    public void setAttributes(Attributes attributes) {
        this.attributes = attributes;
        FocXMLGuiComponentStatic.applyAttributes(this, attributes);
        if (attributes != null) {

            if (attributes.getValue(FXML.ATT_IMAGE_DIR) != null) {
                FocXMLGuiComponentStatic.applyLayoutBackgroundImageAttributes(this, attributes);
            }

            String htmlFileName = attributes.getValue(FXML.ATT_HTML_FILE_NAME);
            if (!Utils.isStringEmpty(htmlFileName)) {
                setTemplateName(htmlFileName);
            }

            String fhtmlFileName = attributes.getValue(FXML.ATT_FHTML_FILE_NAME);
            if (!Utils.isStringEmpty(fhtmlFileName)) {
                InputStream in = Globals.getInputStream(fhtmlFileName + ".html");

                if (in != null) {
                    try {
                        String contents = Utils.inputStreamToString(in);

                        if (xmlLayout != null) {
                            FocDataDictionary localDataDictionary = xmlLayout.getFocDataDictionary(false);
                            if (localDataDictionary != null) {
                                contents = localDataDictionary.resolveExpression(xmlLayout.getFocData(), contents,
                                        false);
                            }
                            contents = FocDataDictionary.getInstance().resolveExpression(xmlLayout.getFocData(),
                                    contents, true);
                        }

                        setTemplateContents(contents);
                    } catch (Exception e) {
                        Globals.logException(e);
                    }
                }
            }
        }
    }

    @Override
    public Attributes getAttributes() {
        return attributes;
    }

    @Override
    public String getXMLType() {
        return FXML.TAG_VERTICAL_LAYOUT;
    }

    @Override
    public boolean isXMLLeaf() {
        return false;
    }

    @Override
    public void fillXMLNodeContent(XMLBuilder builder) {
    }

    @Override
    public IFocData getFocData() {
        return null;
    }

    @Override
    public Field getFormField() {
        return null;
    }

    @Override
    public boolean copyGuiToMemory() {
        return false;
    }

    @Override
    public void copyMemoryToGui() {
    }

    @Override
    public void setDelegate(FocXMLGuiComponentDelegate delegate) {
        this.delegate = delegate;
    }

    @Override
    public FocXMLGuiComponentDelegate getDelegate() {
        return delegate;
    }

    @Override
    public void setFocData(IFocData focData) {
    }

    @Override
    public String getValueString() {
        return null;
    }

    @Override
    public void setValueString(String value) {
    }

    @Override
    public FocCentralPanel getWindow() {
        return findAncestor(FocCentralPanel.class);
    }

    @Override
    public void refreshEditable() {
    }
}