org.eclipse.osbp.xtext.table.common/src/org/eclipse/osbp/xtext/table/common/TableFilterDecorator.java

/**
 *                                                                            
 *  Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany) 
 *                                                                            
 *  All rights reserved. This program and the accompanying materials           
 *  are made available under the terms of the Eclipse Public License 2.0        
 *  which accompanies this distribution, and is available at                  
 *  https://www.eclipse.org/legal/epl-2.0/                                 
 *                                 
 *  SPDX-License-Identifier: EPL-2.0                                 
 *                                                                            
 *  Contributors:                                                      
 * 	   Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
 * 
 */
 package org.eclipse.osbp.xtext.table.common;

import java.io.Serializable;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Locale;

import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
import org.tepi.filtertable.FilterDecorator;
import org.tepi.filtertable.numberfilter.NumberFilterPopupConfig;

import com.vaadin.server.Resource;
import com.vaadin.shared.ui.datefield.Resolution;


@SuppressWarnings("serial")
public class TableFilterDecorator implements FilterDecorator, Serializable {
	private String showAll = "show all";
	private String endDate = "end date";
	private String startDate = "start date";
	private String setFilter = "set filter";
	private String clearFilter = "clear filter";
    private String ltPrompt = "lesser than";
    private String gtPrompt = "greater than";
    private String eqPrompt = "equal to";
    private String okCaption = "ok";
    private String resetCaption = "reset";
    private String valueMarker = "[x]";
	
	private Locale locale = null;
	private int textChangeTimeout = 500;
    private NumberFilterPopupConfig conf = new NumberFilterPopupConfig();
    private IDSLMetadataService dslMetadataService;
	
	public TableFilterDecorator(IDSLMetadataService dslMetadataService, Locale locale) {
		this.dslMetadataService = dslMetadataService;
		this.locale = locale;
	}

	public void setTextChangeTimeout(int textChangeTimeout) {
		this.textChangeTimeout = textChangeTimeout;
	}

	public void setLocale(Locale locale) {
		this.locale = locale;
		conf.setEqPrompt(dslMetadataService.translate(locale.toLanguageTag(), eqPrompt));
		conf.setGtPrompt(dslMetadataService.translate(locale.toLanguageTag(), gtPrompt));
		conf.setLtPrompt(dslMetadataService.translate(locale.toLanguageTag(), ltPrompt));
		conf.setOkCaption(dslMetadataService.translate(locale.toLanguageTag(), okCaption));
		conf.setResetCaption(dslMetadataService.translate(locale.toLanguageTag(), resetCaption));
		conf.setValueMarker(dslMetadataService.translate(locale.toLanguageTag(), valueMarker));
	}

	@Override
    public String getEnumFilterDisplayName(Object propertyId, Object value) {
//        if ("state".equals(propertyId)) {
//            State state = (State) value;
//            switch (state) {
//            case CREATED:
//                return "Order has been created";
//            case PROCESSING:
//                return "Order is being processed";
//            case PROCESSED:
//                return "Order has been processed";
//            case FINISHED:
//                return "Order is delivered";
//            }
//        }
        // returning null will output default value
        return null;
    }


    @Override
    public Resource getEnumFilterIcon(Object propertyId, Object value) {
//        if ("state".equals(propertyId)) {
//            State state = (State) value;
//            switch (state) {
//            case CREATED:
//                return new ThemeResource("../runo/icons/16/document.png");
//            case PROCESSING:
//                return new ThemeResource("../runo/icons/16/reload.png");
//            case PROCESSED:
//                return new ThemeResource("../runo/icons/16/ok.png");
//            case FINISHED:
//                return new ThemeResource("../runo/icons/16/globe.png");
//            }
//        }
        return null;
    }


    @Override
    public String getBooleanFilterDisplayName(Object propertyId, boolean value) {
//        if ("validated".equals(propertyId)) {
//            return value ? "Validated" : "Not validated";
//        }
        // returning null will output default value
        return null;
    }


    @Override
    public Resource getBooleanFilterIcon(Object propertyId, boolean value) {
//        if ("validated".equals(propertyId)) {
//            return value ? new ThemeResource("../runo/icons/16/ok.png")
//                    : new ThemeResource("../runo/icons/16/cancel.png");
//        }
        return null;
    }


    @Override
    public String getFromCaption() {
    	return dslMetadataService.translate(locale.toLanguageTag(), startDate);
    }


    @Override
    public String getToCaption() {
    	return dslMetadataService.translate(locale.toLanguageTag(), endDate);
    }


    @Override
    public String getSetCaption() {
        return dslMetadataService.translate(locale.toLanguageTag(), setFilter);
    }


    @Override
    public String getClearCaption() {
        return dslMetadataService.translate(locale.toLanguageTag(), clearFilter);
    }


    @Override
    public boolean isTextFilterImmediate(Object propertyId) {
        // use text change events for all the text fields
        return true;
    }


    @Override
    public int getTextChangeTimeout(Object propertyId) {
        // use the same timeout for all the text fields
        return textChangeTimeout;
    }


    @Override
    public String getAllItemsVisibleString() {
    	return dslMetadataService.translate(locale.toLanguageTag(), showAll);
   }


    @Override
    public Resolution getDateFieldResolution(Object propertyId) {
        return Resolution.DAY;
    }


    public DateFormat getDateFormat(Object propertyId) {
    	if (locale != null) {
            return DateFormat.getDateInstance(DateFormat.SHORT, locale);
    	}
        return DateFormat.getDateInstance(DateFormat.SHORT, new Locale("de", "DE"));
    }


    @Override
    public boolean usePopupForNumericProperty(Object propertyId) {
        return true;
    }


    @Override
    public String getDateFormatPattern(Object propertyId) {
    	if (locale != null) {
    		DateFormat formatter = DateFormat.getDateInstance(DateFormat.SHORT, locale);
    		String localPattern  = ((SimpleDateFormat)formatter).toPattern();
    		return localPattern;
    	}
    	return null;
    }


    @Override
    public Locale getLocale() {
        return locale;
    }


    @Override
    public NumberFilterPopupConfig getNumberFilterPopupConfig() {
    	return conf;
    }
}