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• TimePickerRenderer.java

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org.primefaces.extensions.component.timepicker.TimePickerRenderer Maven / Gradle / Ivy

/*
 * Copyright 2011-2015 PrimeFaces Extensions
 *
 * 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.
 *
 * $Id$
 */

package org.primefaces.extensions.component.timepicker;

import org.apache.commons.lang3.StringUtils;
import org.primefaces.extensions.util.ComponentUtils;
import org.primefaces.extensions.util.MessageUtils;
import org.primefaces.renderkit.InputRenderer;
import org.primefaces.util.MessageFactory;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Renderer for the {@link TimePicker} component.
 *
 * @author  Oleg Varaksin / last modified by $Author$
 * @version $Revision$
 * @since   0.3
 */
public class TimePickerRenderer extends InputRenderer {

	@Override
	public void decode(final FacesContext fc, final UIComponent component) {
		TimePicker timepicker = (TimePicker) component;

		if (timepicker.isDisabled() || timepicker.isReadonly()) {
			return;
		}

		String param = timepicker.getClientId(fc) + "_input";
		String submittedValue = fc.getExternalContext().getRequestParameterMap().get(param);

		if (submittedValue != null) {
			timepicker.setSubmittedValue(submittedValue);
		}

		decodeBehaviors(fc, timepicker);
	}

	@Override
	public void encodeEnd(final FacesContext fc, final UIComponent component) throws IOException {
		TimePicker timepicker = (TimePicker) component;
		String value = getValueAsString(fc, timepicker);

		encodeMarkup(fc, timepicker, value);
		encodeScript(fc, timepicker, value);
	}

	protected void encodeMarkup(final FacesContext fc, final TimePicker timepicker, final String value) throws IOException {
		ResponseWriter writer = fc.getResponseWriter();
		String clientId = timepicker.getClientId(fc);
		String inputId = clientId + "_input";

		writer.startElement("span", timepicker);
		writer.writeAttribute("id", clientId, null);
		writer.writeAttribute("class", TimePicker.CONTAINER_CLASS, null);

		if (timepicker.isInline()) {
			// inline container
			writer.startElement("div", null);
			writer.writeAttribute("id", clientId + "_inline", null);
			writer.endElement("div");
		}

		writer.startElement("input", null);
		writer.writeAttribute("id", inputId, null);
		writer.writeAttribute("name", inputId, null);
		writer.writeAttribute("type", timepicker.isInline() ? "hidden" : "text", null);
		writer.writeAttribute("autocomplete", "off", null);

		if (StringUtils.isNotBlank(value)) {
			writer.writeAttribute("value", value, null);
		}

		if (!timepicker.isInline()) {
			String styleClass = timepicker.getStyleClass();
			styleClass = (styleClass == null ? TimePicker.INPUT_CLASS : TimePicker.INPUT_CLASS + " " + styleClass);
			if (!timepicker.isValid()) {
				styleClass = styleClass + " ui-state-error";
			}

			writer.writeAttribute("class", styleClass, null);

			if (timepicker.getStyle() != null) {
				writer.writeAttribute("style", timepicker.getStyle(), null);
			}

			renderPassThruAttributes(fc, timepicker, TimePicker.INPUT_TEXT_ATTRS);
		}

		writer.endElement("input");

		if (timepicker.isSpinner()) {
			boolean disabled = timepicker.isDisabled() || timepicker.isReadonly();
			encodeSpinnerButton(fc, TimePicker.UP_BUTTON_CLASS, TimePicker.UP_ICON_CLASS, disabled);
			encodeSpinnerButton(fc, TimePicker.DOWN_BUTTON_CLASS, TimePicker.DOWN_ICON_CLASS, disabled);
		}

		if (!"focus".equals(timepicker.getShowOn())) {
			writer.startElement("button", null);
			writer.writeAttribute("class", TimePicker.BUTTON_TRIGGER_CLASS, null);
			writer.writeAttribute("type", "button", null);
			writer.writeAttribute("role", "button", null);

			writer.startElement("span", null);
			writer.writeAttribute("class", TimePicker.BUTTON_TRIGGER_ICON_CLASS, null);
			writer.endElement("span");

			writer.startElement("span", null);
			writer.writeAttribute("class", TimePicker.BUTTON_TRIGGER_TEXT_CLASS, null);
			writer.write("ui-button");
			writer.endElement("span");

			writer.endElement("button");
		}

		writer.endElement("span");
	}

	protected void encodeScript(final FacesContext fc, final TimePicker timepicker, final String value) throws IOException {
		ResponseWriter writer = fc.getResponseWriter();
		final String clientId = timepicker.getClientId(fc);
        String widgetVar = timepicker.resolveWidgetVar();

		startScript(writer, clientId);
		writer.write("$(function(){");

		writer.write("PrimeFacesExt.cw('TimePicker', '" + widgetVar + "',{");
		writer.write("id:'" + clientId + "'");
        writer.write(",widgetVar:'" + widgetVar + "'");
		writer.write(",timeSeparator:'" + timepicker.getTimeSeparator() + "'");
		writer.write(",myPosition:'" + timepicker.getDialogPosition() + "'");
		writer.write(",atPosition:'" + timepicker.getInputPosition() + "'");
		writer.write(",showPeriod:" + timepicker.isShowPeriod());
		writer.write(",showPeriodLabels:" + (timepicker.isShowPeriod() ? "true" : "false"));
		writer.write(",modeInline:" + timepicker.isInline());
		writer.write(",modeSpinner:" + timepicker.isSpinner());
		writer.write(",hours:{starts:" + timepicker.getStartHours() + ",ends:" + timepicker.getEndHours() + "}");
		writer.write(",minutes:{starts:" + timepicker.getStartMinutes() + ",ends:" + timepicker.getEndMinutes() + ",interval:"
		             + timepicker.getIntervalMinutes() + "}");
		writer.write(",rows:" + timepicker.getRows());
		writer.write(",showHours:" + timepicker.isShowHours());
		writer.write(",showMinutes:" + timepicker.isShowMinutes());
		writer.write(",showCloseButton:" + timepicker.isShowCloseButton());
		writer.write(",showNowButton:" + timepicker.isShowNowButton());
		writer.write(",showDeselectButton:" + timepicker.isShowDeselectButton());

		if (timepicker.getOnHourShow() != null) {
			writer.write(",onHourShow:" + timepicker.getOnHourShow());
		}

		if (timepicker.getOnMinuteShow() != null) {
			writer.write(",onMinuteShow:" + timepicker.getOnMinuteShow());
		}

		if (!"focus".equals(timepicker.getShowOn())) {
			writer.write(",showOn:'" + timepicker.getShowOn() + "'");
			writer.write(",button:'" + ComponentUtils.escapeJQueryId(clientId) + " .pe-timepicker-trigger'");
		}

		writer.write(",locale:'" + timepicker.calculateLocale(fc).toString() + "'");
		writer.write(",disabled:" + (timepicker.isDisabled() || timepicker.isReadonly()));

		if (StringUtils.isBlank(value)) {
			writer.write(",defaultTime:''");
		} else if (timepicker.isInline()) {
			writer.write(",defaultTime:'" + value + "'");
		}
        
        if (timepicker.getMinHour() != null || timepicker.getMinMinute() != null) {
            writer.write(",minTime:{hour:" + timepicker.getMinHour());
            writer.write(",minute:" + timepicker.getMinMinute() + "}");
        }
        
        if (timepicker.getMaxHour() != null || timepicker.getMaxMinute() != null) {
            writer.write(",maxTime:{hour:" + timepicker.getMaxHour());
            writer.write(",minute:" + timepicker.getMaxMinute() + "}");
        }

		encodeClientBehaviors(fc, timepicker);

		writer.write("},true);});");
		endScript(writer);
	}

	protected static String getValueAsString(final FacesContext fc, final TimePicker timepicker) {
		Object submittedValue = timepicker.getSubmittedValue();
		if (submittedValue != null) {
			return submittedValue.toString();
		}

		Object value = timepicker.getValue();
		if (value == null) {
			return null;
		} else {
			if (timepicker.getConverter() != null) {
				// convert via registered converter
				return timepicker.getConverter().getAsString(fc, timepicker, value);
			} else {
				// use built-in converter
				SimpleDateFormat timeFormat;
				if (timepicker.isShowPeriod()) {
					timeFormat = new SimpleDateFormat(timepicker.getTimePattern12(), timepicker.calculateLocale(fc));
				} else {
					timeFormat = new SimpleDateFormat(timepicker.getTimePattern24(), timepicker.calculateLocale(fc));
				}

				return timeFormat.format(value);
			}
		}
	}

	protected void encodeSpinnerButton(final FacesContext fc, String styleClass, final String iconClass, final boolean disabled)
	    throws IOException {
		ResponseWriter writer = fc.getResponseWriter();
		styleClass = disabled ? styleClass + " ui-state-disabled" : styleClass;

		writer.startElement("a", null);

		writer.writeAttribute("class", styleClass, null);
		writer.startElement("span", null);
		writer.writeAttribute("class", "ui-button-text", null);
		writer.startElement("span", null);
		writer.writeAttribute("class", iconClass, null);
		writer.endElement("span");
		writer.endElement("span");

		writer.endElement("a");
	}

	@Override
	public Object getConvertedValue(final FacesContext fc, final UIComponent component, final Object submittedValue)
	    throws ConverterException {
		String value = (String) submittedValue;
		if (StringUtils.isBlank(value)) {
			return null;
		}

		TimePicker timepicker = (TimePicker) component;
		Converter converter = timepicker.getConverter();

		// first ask the converter
		if (converter != null) {
			return converter.getAsObject(fc, timepicker, value);
		}

		//Try to guess
		/*
		else {
		    Class valueType = timepicker.getValueExpression("value").getType(context.getELContext());
		    Converter converterForType = context.getApplication().createConverter(valueType);

		    if (converterForType != null) {
		        return converterForType.getAsObject(context, timepicker, value);
		    }
		}*/

		// use built-in conversion
		SimpleDateFormat timeFormat = null;
		try {
			if (timepicker.isShowPeriod()) {
				timeFormat = new SimpleDateFormat(timepicker.getTimePattern12(), timepicker.calculateLocale(fc));
			} else {
				timeFormat = new SimpleDateFormat(timepicker.getTimePattern24(), timepicker.calculateLocale(fc));
			}

			return timeFormat.parse(value);
		} catch (ParseException e) {
			throw new ConverterException(MessageUtils.getMessage(timepicker.calculateLocale(fc), TimePicker.TIME_MESSAGE_KEY,
			                                                     value, timeFormat.format(new Date(System.currentTimeMillis())),
			                                                     MessageFactory.getLabel(fc, component)), e);
		} catch (Exception e) {
			throw new ConverterException(e);
		}
	}
}