com.googlecode.jsfFlex.component.ext.AbstractFlexUIColorPicker.java Source code

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Here is the source code for com.googlecode.jsfFlex.component.ext.AbstractFlexUIColorPicker.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 com.googlecode.jsfFlex.component.ext;

import java.util.Map;

import javax.el.ValueExpression;
import javax.faces.component.FacesComponent;
import javax.faces.context.FacesContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFComponent;
import org.json.JSONException;
import org.json.JSONObject;

import com.googlecode.jsfFlex.attributes.IFlexUIBaseAttributes;
import com.googlecode.jsfFlex.attributes.IFlexUISelectedColorAttribute;
import com.googlecode.jsfFlex.component.AbstractFlexUIInputBase;

/**
 * @author Ji Hoon Kim
 */
@JSFComponent(name = "jf:flexColorPicker", clazz = "com.googlecode.jsfFlex.component.ext.FlexUIColorPicker", type = "com.googlecode.jsfFlex.FlexUIColorPicker", tagClass = "com.googlecode.jsfFlex.taglib.component.ext.FlexUIColorPickerTag", family = "javax.faces.FlexInput", defaultRendererType = "com.googlecode.jsfFlex.FlexColorPicker", tagSuperclass = "com.googlecode.jsfFlex.taglib.AbstractFlexUIInputTagBase")
@FacesComponent("com.googlecode.jsfFlex.FlexUIColorPicker")
public abstract class AbstractFlexUIColorPicker extends AbstractFlexUIInputBase
        implements IFlexUIBaseAttributes, IFlexUISelectedColorAttribute {

    private final static Log _log = LogFactory.getLog(AbstractFlexUIColorPicker.class);

    private static final String SELECTED_COLOR_ATTR = "selectedColor";
    private static final String SELECTED_COLOR_ID_APPENDED = "_selectedColor";

    private JSONObject initValue;

    {
        try {
            initValue = new JSONObject();
            initValue.put(ATTRIBUTE, SELECTED_COLOR_ATTR);

            _initValues.put(initValue);

        } catch (JSONException jsonException) {
            _log.info("Error while formatting to JSON content", jsonException);
        }
    }

    @Override
    protected void populateComponentInitValues() {
        try {
            if (getSelectedColor() != null) {
                initValue.put(VALUE, getSelectedColor());
            }
        } catch (JSONException jsonException) {
            _log.info("Error while formatting to JSON content", jsonException);
        }
    }

    @Override
    public void decode(FacesContext context) {
        super.decode(context);

        Map<String, String> requestMap = context.getExternalContext().getRequestParameterMap();

        String selectedColorId = getId() + SELECTED_COLOR_ID_APPENDED;
        String selectedColorUpdateVal = requestMap.get(selectedColorId);

        if (selectedColorUpdateVal != null) {
            setSelectedColor(selectedColorUpdateVal);
            setSubmittedValue(selectedColorUpdateVal);
        }

    }

    @Override
    public void processUpdates(FacesContext context) {
        super.processUpdates(context);

        if (!isRendered() || !isValid()) {
            return;
        }

        ValueExpression ve = getValueExpression(SELECTED_COLOR_ATTR);

        if (ve != null && !ve.isReadOnly(context.getELContext())) {
            ve.setValue(context.getELContext(), getSelectedColor());
            setSelectedColor(null);
        }

    }

}