ro.zg.netcell.vaadin.action.FormGenerator.java Source code

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Here is the source code for ro.zg.netcell.vaadin.action.FormGenerator.java

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/*******************************************************************************
 * Copyright 2011 Adrian Cristian Ionescu
 * 
 * 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 ro.zg.netcell.vaadin.action;

import java.io.Serializable;
import java.util.List;
import java.util.Map;
import java.util.ResourceBundle;

import ro.zg.netcell.vaadin.ExtendedForm;
import ro.zg.netcell.vaadin.action.constants.ActionParamProperties;

import com.vaadin.data.validator.RegexpValidator;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.DateField;
import com.vaadin.ui.Field;
import com.vaadin.ui.RichTextArea;
import com.vaadin.ui.TextField;

public class FormGenerator implements Serializable {
    /**
     * 
     */
    private static final long serialVersionUID = 2306330779022587201L;
    private List<Map<String, String>> paramsConfigList;
    private ResourceBundle messages;
    private String formId;

    public FormGenerator(String formId, List<Map<String, String>> paramsConfigList, ResourceBundle messages) {
        this.formId = formId;
        this.paramsConfigList = paramsConfigList;
        this.messages = messages;
    }

    public ExtendedForm generate() {
        ExtendedForm form = new ExtendedForm();
        for (Map<String, String> paramConfig : paramsConfigList) {
            String fieldName = paramConfig.get(ActionParamProperties.NAME);
            Field f = getFieldFromParamsMap(paramConfig);
            form.addField(fieldName, f);
        }
        form.setImmediate(true);
        String submitCaption = messages.getString(formId + ".submit.caption");
        form.addSubmitButton(submitCaption);
        return form;
    }

    private Field getFieldFromParamsMap(Map<String, String> fieldConfig) {
        Field f = getFieldForType(fieldConfig.get(ActionParamProperties.FIELD_UI_TYPE));

        String fieldName = fieldConfig.get(ActionParamProperties.NAME);
        f.setCaption(messages.getString(formId + "." + fieldName + ".caption"));

        if ("true".equals(fieldConfig.get(ActionParamProperties.IS_REQUIRED))) {
            f.setRequired(true);
            f.setRequiredError(messages.getString(formId + "." + fieldName + ".required.error"));
        }
        if ("true".equals(fieldConfig.get(ActionParamProperties.IS_SENSITIVE))) {
            ((TextField) f).setSecret(true);
        }
        Object value = fieldConfig.get(ActionParamProperties.VALUE);
        if (value != null) {
            f.setValue(value);
        }
        String width = fieldConfig.get(ActionParamProperties.FIELD_WIDTH);
        String height = fieldConfig.get(ActionParamProperties.FIELD_HEIGHT);

        if (width != null) {
            f.setWidth(width);
        }
        if (height != null) {
            f.setHeight(height);
        }

        String inputRegex = fieldConfig.get(ActionParamProperties.FIELD_INPUT_REGEX);
        if (inputRegex != null) {
            f.addValidator(
                    new RegexpValidator(inputRegex, messages.getString(formId + "." + fieldName + ".regex.error")));
        }

        return f;
    }

    private Field getFieldForType(String uiType) {
        if (uiType == null) {
            return new TextField();
        }
        if (uiType.equals("richtextarea")) {
            return new RichTextArea();
        }
        if (uiType.equals("checkbox")) {
            return new CheckBox();
        }
        if (uiType.equals("combobox")) {
            return new ComboBox();
        }
        if (uiType.equals("date")) {
            final DateField df = new DateField();
            df.setResolution(DateField.RESOLUTION_DAY);
            return df;
        }
        return new TextField();
    }
}