source: Dev/trunk/classes/SurveyTool.php @ 115

<?php

/**
 * Description of SurveyTool
 *
 * @author fpvanagthoven
 */
class SurveyTool {

    private $survey;

    public function __construct($survey) {
        $this->survey = $survey;

        $this->javascript();
        $this->init();
    }

    private function javascript() {
        ?>
        <script type="text/javascript">
                        /* --- input checking --- */
            function checksPassed(form)
            {
                for (var i = 0; i < form.length; i++)
                {
                    if (form.elements[i].checkPassed == 'no')
                        return false;
                }
                return true;
            }
                    
            function checkInt(input)
            {
                input.style.borderWidth = '1px' ;
                var value = input.value;
                if (isNaN(value))
                {
                    input.style.borderColor = 'red';
                    input.checkPassed = 'no';
                }
                else
                {
                    input.style.border = '1px solid #abadb3';
                    input.checkPassed = null;
                }
            }
        </script>
        <?php
    }

    private function init() {
        ?>
        <form name="survey" action="" onsubmit="return checksPassed(this)" method="post">
            <?php
            $this->displayTitle();
            $this->displayDescription();
            $this->displayQuestions();
            $this->submitSurvey();
            ?>
        </form>
        <?php
    }

    private function displayTitle() {
        ?>
        <h1><?php echo $this->survey->title; ?></h1>
        <?php
    }

    private function displayDescription() {
        if ($this->survey->description != Survey::DEFAULT_DESCRIPTION)
            $description = $this->survey->description;
        else
            $description = "";
        ?>
        <p class='centerBoxed'><?php echo $description; ?></p>
        <?php
    }

    private function displayQuestions() {
        foreach ($this->survey->questions as $numQ => $question) {

            $this->displayQuestion($question, $numQ);
        }
    }

    private function displayQuestion($question, $numQ) {
        echo "<fieldset>";
        $this->displayQuestionTitle($question);
        $this->displayQuestionDescription($question);
        $this->displayAnswerBox($question, $numQ);
        echo "</fieldset>";
    }

    private function displayQuestionTitle($question) {
        ?>
        <?php echo "<legend><h2>" . $question->title . "</h2></legend>"; ?>
        <?php
    }

    private function displayQuestionDescription($question) {
        if ($question->description != "Write a question description here.")
            $description = $question->description;
        else
            $description = "";
        ?>
        <p><?php echo "<div class='questionDescription noPadding'>" . $description . "</div>"; ?></p>
        <?php
    }

    private function displayAnswerBox($question, $numQ) {
        echo "<div class='answerBox'>";
        switch ($question->type) {
            case 'text':
                ?>
                <input type="text" name="<?php echo 'q' . $numQ . 'result1' ?>" value="" class="textBox"/>
                <?php
                break;
            case 'int':
                ?>
                <input type="text" name="<?php echo 'q' . $numQ . 'result1' ?>" value="" onchange="checkInt(this)" class="intBox"/>
                <?php
                break;
            case 'mc':
                foreach ($question->answers as $answer) {
                    ?>
                    <input type="radio" name="<?php echo 'q' . $numQ . 'result1' ?>" value="<?php echo $answer; ?>" /><?php echo $answer; ?><br />
                    <?php
                }
                break;
            case 'checkboxes':
                foreach ($question->answers as $numA => $answer) {
                    ?>
                    <input type="checkbox" name="<?php echo 'q' . $numQ . 'result' . $numA; ?>" value="<?php echo $answer; ?>" /><?php echo $answer; ?><br />
                    <?php
                }

                break;
            case 'scale':
                ?>
                <div class="scaleLabel"><?php echo $question->answers[1]; ?></div>
                <?php
                for ($i = 1; $i < $question->answers[3] + 1; $i++) {
                    ?><input type="radio" class="scaleRadio" name="<?php echo 'q' . $numQ . 'result1' ?>" value="<?php echo $i; ?>"/><?php } ?>
                <div class="scaleLabel"><?php echo $question->answers[2]; ?></div>
                <?php
                break;
            default:
                break;
        }
        echo "</div>";
    }

    private function submitSurvey() {
        ?>
        <input type="submit" value="Submit survey!" id="submitSurvey" class="topMargin surveyButton bigSurveyButton"/>
        <?php
    }

}
?>