org.cogchar.lifter.snippet.SelectBoxes.scala Maven / Gradle / Ivy

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/*
 *  Copyright 2012 by The Cogchar Project (www.cogchar.org).
 * 
 *  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 org.cogchar.lifter.snippet 

import net.liftweb.http.SHtml
import net.liftweb.util.CssSel
import net.liftweb.util.Helpers._
import scala.xml.{NodeSeq,XML}
import org.cogchar.lifter.model.control.{AbstractMultiSelectControl, AbstractMultiSelectControlObject, SnippetHelper}
import org.cogchar.impl.web.wire.{SessionOrganizer}
class SelectBoxes extends AbstractMultiSelectControlObject(SnippetHelper.mySessionOrganizer) {
	  
	protected val matchingName = "SELECTBOXES"
	  
	// Not currently implemented:
	//val responseText = "Title can change" // We can add bits to define this in XML if we want, or code in more fancy conditionals
  
	val titlePrefix = "selectformtitle"
	val labelPrefix = "label"
	val boxPrefix = "checkbox"
	  
	def makeMultiControlImpl(labelText: String, labelList:Array[String], idNum: Int): NodeSeq = {
		val formIdForHtml: String = idNum.toString
		val titleId: String = titlePrefix + formIdForHtml // We need a unique ID here in case we'd like JavaScript to update the title after post
		var boxesHtmlString: String = ""
		// Add html for each box
		for (boxIndex <- 0 until labelList.length) {
			val labelId: String = labelPrefix + boxIndex.toString
			val boxId: String = boxPrefix + boxIndex.toString
			boxesHtmlString += "" //The CSS class for the labels is not being applied, I bet there's a simple reason why
		}
		boxesHtmlString += ""
		XML.loadString(boxesHtmlString)
	}

	def getName: String = matchingName
	  
	def generateSelectors(sessionId: String, formId: Int, title: String, labels: Array[String]): CssSel = {
		val selectBoxesInstanceTitle = titlePrefix + formId
		val titleSelectorText: String = "#"+selectBoxesInstanceTitle+" *"
		var selectors = titleSelectorText #> title
		for (boxIndex <- 0 until labels.length) {
			selectors = selectors & makeABox(boxIndex, labels)
		}
		selectors
	}

	def makeABox(boxIndex:Int, labels:Array[String]) = {
		val labelId: String = "#" + labelPrefix + boxIndex.toString
		val boxId: String = "#" + boxPrefix + boxIndex.toString
		labelId #> labels(boxIndex) &
		boxId #> SHtml.ajaxCheckbox(false, (toggled: Boolean) => processWithToggle(toggled, boxIndex))
	}
		
	def processWithToggle(result: Boolean, boxNumber:Int) {
		if (result) {
			process(boxNumber.toString)
		} else {
			// We may want to expand this class and/or AbstractMultiSelectControl to perform an action on deselect
			myLogger.info("{} sees that the box was deselected, but currently we do not make use of that information.", getName)
		}
	}

}