voyeurWP.js.php

<?php
	if (!function_exists('add_action')) { // Makes sure we can access WP functions.
		/** 
		 * This file holds all of the users
		 * custom information
		 */
		require_once('../../../wp-config.php');
		/** 
		 * This is the main Voyeur file so we
		 * can create an instance of the class.
		 */
		require_once('voyeurWP.php');
		$vwp = new VoyeurWP();
		// Load pre-existing admin settings for the plugin.
		$vwpOptions = $vwp->vwp_getAdminOptions();
	}
?>

// Define vars for later use.
var pluginURL = '<?php echo VWP_URL; // VWP_URL already defined in voyeurWP.php. ?>';
<?php
	// The URL of the WP site.
	$pageURL = get_bloginfo('url');
?>

// Load Thickbox animation and close button.
if (typeof tb_pathToImage != 'string') {
	var tb_pathToImage = "<?php echo get_bloginfo('wpurl').'/wp-includes/js/thickbox'; ?>/loadingAnimation.gif";
}
if (typeof tb_closeImage != 'string') {
	var tb_closeImage = "<?php echo get_bloginfo('wpurl').'/wp-includes/js/thickbox'; ?>/tb-close.png";
}

jQuery(document).ready(function($) {
	// $() will work as an alias for jQuery() inside of this function.

	// Create references to these elements for use inside and outside of function($).
	var voyeurTool = '<?php if (isset($vwpOptions['voyeur_tool'])) echo $vwpOptions['voyeur_tool']; else echo 'Cirrus'; ?>';
	var allowAutoReveal = '<?php if (isset($vwpOptions['allow_auto_reveal'])) echo $vwpOptions['allow_auto_reveal']; ?>';
	var allowUser = '<?php if (isset($vwpOptions['allow_user'])) echo $vwpOptions['allow_user']; ?>';
  // Unix timestamp of latest post.
  var unixTimestamp = '<?php if (isset($vwpOptions['voyeur_unix_timestamp'])) echo $vwpOptions['voyeur_unix_timestamp']; ?>';
	var voyeurWindow = $('#voyeurControls');
	var voyeurWindowAjax = $('#voyeurControlsAjax');
	var voyeurLogo = $('#voyeurLogo');
	var voyeurIframe = $('#voyeurIframe');
	var ajaxRef = $.ajax; // Create reference to jQuery's AJAX function.
	var ajaxLaunch = false; // Create var to track if AJAX has been executed this session.

	if (allowUser != 1) { // Remove Thickbox attributes if user cannot choose options.
		$('#voyeurReveal').removeClass('thickbox').attr('alt', '');
	}

	if (allowAutoReveal == 1) {
		if (allowUser != 1) { // If allowAutoReveal is on and users cannot choose options, hide the 'Reveal' button.
      $('#voyeurReveal').attr('style', 'display:none;');
    }
		vwp_loadVoyeur(voyeurTool, allowUser, voyeurLogo, voyeurIframe, unixTimestamp);
	}

  // ===============================
  // ==   Voyeur 'Reveal' Click   ==
  // ===============================

	$('#voyeurReveal').click(function() {
		if (allowUser == '1') {
			if (ajaxLaunch == false) { // Only load content once.
				vwp_loadAjax(voyeurWindowAjax, ajaxRef, 'voyeur_window');
				ajaxLaunch = true;
			}
			// If submit was clicked, call Voyeur with custom params.
			// A NOTE ABOUT URL CONSTRUCTION:
			// 		Commas are used after every param because it forces our params to be read
			//		via RSS as filters if WP is using pretty permalinks.
			$('#voyeurOptionsSubmit').click(function() {
				URLParams = ''; // URLParams will be used for unix timestamp params but also to be read for RSS.

				// Find authors.
				if ($('#voyeur_authors').find('input:checked').val()) { // If any boxes checked, go thru.
					URLParams += '&author=';
					$('#voyeur_authors').find('input:checked').each(function() { // Finds all of the checkboxes that are clicked.
						URLParams += $(this).val() + ',';
					});
				}

				// Find categories.
				if ($('#voyeur_categories').find('input:checked').val()) { // If any boxes checked, go thru.
					URLParams += '&cat=';
					$('#voyeur_categories').find('input:checked').each(function () { // Finds all of the checkboxes that are clicked.
						URLParams += $(this).val() + ',';
					});
				}

				// Find tags.
				if ($('#voyeur_tags').val()) { // If anything typed, go thru.
					URLParams += '&tag=' + $('#voyeur_tags').val();
				}

				// Find time - day.
				if ($('#voyeur_time_day').val() != '') { // If any value, go thru.
					URLParams += '&day=' + $('#voyeur_time_day').val();
				}

				// Find time - month.
				if ($('#voyeur_time_month').val() != '') { // If any value, go thru.
					URLParams += '&monthnum=' + $('#voyeur_time_month').val();
				}

				// Find time - year.
				if ($('#voyeur_time_year').val() != '') { // If any value, go thru.
					URLParams += '&year=' + $('#voyeur_time_year').val();
				}
        
        // Obtain the unix timestamp from custom user params via ajax.
        unixTimestamp = vwp_loadAjax(voyeurWindowAjax, ajaxRef, 'unix_timestamp', URLParams);

        URLParams = '?' + URLParams + '&feed=voyeur'; // Place URLParams in format to be read as an actual URL.

				vwp_loadVoyeur($('#voyeur_tool').val(), allowUser, voyeurLogo, voyeurIframe, unixTimestamp, URLParams);
        $('#voyeurOptionsSubmit').unbind('click'); // Unbind so ajax request isn't executed multiple times.
			});
		} else {
			vwp_loadVoyeur(voyeurTool, allowUser, voyeurLogo, voyeurIframe, unixTimestamp);
		}
	});

    // =========================================
    // ==    Individual Reveal Post Click     ==
    // =========================================

    $('.voyeurRevealPost').click(function() {
    	URLParams = '?feed=voyeur'; // Initialize base parameters for Voyeur.
      var unixTimestamp = '';
    	// Find the values of all of the divs with date information
    	$('#' + $(this).attr('name')).children('div').each(function() {
				if ($(this).attr('title') == 'reveal_author') {
    			URLParams += '&author=' + $(this).html();
    		} else if ($(this).attr('title') == 'reveal_cat') {
    			URLParams += '&cat=' + $(this).html();
    		} else if ($(this).attr('title') == 'reveal_second') {
    			URLParams += '&second=' + $(this).html();
    		} else if ($(this).attr('title') == 'reveal_minute') {
    			URLParams += '&minute=' + $(this).html();
    		} else if ($(this).attr('title') == 'reveal_hour') {
    			URLParams += '&hour=' + $(this).html();
    		} else if ($(this).attr('title') == 'reveal_day') {
    			URLParams += '&day=' + $(this).html();
    		} else if ($(this).attr('title') == 'reveal_month') {
    			URLParams += '&monthnum=' + $(this).html();
    		} else if ($(this).attr('title') == 'reveal_year') {
    			URLParams += '&year=' + $(this).html();
    		}
        if ($(this).attr('title') == 'reveal_unix_timestamp') {
          unixTimestamp = $(this).html();
        }
    	});
    	vwp_loadVoyeur(voyeurTool, allowUser, voyeurLogo, voyeurIframe, unixTimestamp, URLParams);
    });

}); // end jQuery function($)

/**
 * Handles the load request to voyeurWP-ajax.php.
 *
 * Retrieves the user Thickbox content so they can choose options.
 *
 * @param object voyeurWindowAjax References jQuery where the AJAX content will be generated.
 * @param object ajaxRef References a jQuery AJAX instance.
 * @param string toLoad Which ajax request to perform.
 * @param string URLParams The user filter params to send via ajax to get the unix timestamp.
 * @return string The unix timestamp for the custom user filters.
 */
function vwp_loadAjax(voyeurWindowAjax, ajaxRef, toLoad, URLParams) { // Launch the Thickbox via AJAX.
    var unixTimestamp = '';
    if (toLoad == 'voyeur_window') {
      ajaxRef({
        type: 'POST',
        url: pluginURL + '/voyeurWP-ajax.php',
        data: 'action=loadVoyeur',
        success: function(msg) { // Run the function that shows our dialog if 'Reveal' clicked, and AJAX worked properly.
          voyeurWindowAjax.html(msg); // Generate content within the AJAX div.
          vwp_optionsListener(voyeurWindowAjax, ajaxRef); // Bind a listener to listen for user clicks.
        }
      });
    } else if (toLoad == 'unix_timestamp') {
        // Find the user-filtered unix timestamp via ajax.
        ajaxRef({
          type: 'POST',
          async: false, // Wait until ajax completes.
          url: pluginURL + '/voyeurWP-ajax.php',
          data: 'action=findUnixTimestamp' + URLParams,
          success: function(msg) {
            unixTimestamp = msg;
          }
        });
        return unixTimestamp;
    }
} // end vwp_loadAjax()

/**
 * The final loading of Voyeur by loading a URL into the iFrame pointing to voyeurtools.org.
 *
 * If users cannot choose options, we find admin options to construct the URL.
 *
 * @param object voyeurTool References jQuery where the Voyeur tool selection is. (Within the Thickbox.)
 * @param int allowUser Whether or not users are allowed to choose Voyeur options/settings.
 * @param object voyeurLogo References jQuery where the Voyeur logo div is.
 * @param object voyeurIframe References jQuery where the IFrame is.
 * @param string URLParams The set user URL Params. (This may not always be set if users cannot choose settings.)
 * @param string unixTimestamp The unix timestamp for the last post modified OR the timestamp of individual revealed post.
 */
function vwp_loadVoyeur(voyeurTool, allowUser, voyeurLogo, voyeurIframe, unixTimestamp, URLParams) {
	if ('<?php if (isset($vwpOptions['allow_current_page'])) echo $vwpOptions['allow_current_page']; ?>' != '' && typeof URLParams == 'undefined') { // If we're revealing current page AND user hasn't chosen options
		var pageURL = '<?php if (isset($_SERVER['HTTP_HOST'])) { echo 'http://' . $_SERVER['HTTP_HOST']; } ?>';
		var currentPath = rawurlencode(window.location.pathname + '?feed=voyeur'); // Add the encoded path to the site AND specify that we're using Voyeur RSS
		pageURL += currentPath;
		var pageURLStrip = '<?php if (isset($_SERVER['HTTP_HOST'])) { echo preg_replace('/[\W]/', '', 'http://' . $_SERVER['HTTP_HOST']); } ?>' + currentPath.replace(/[^a-zA-Z0-9]+/g, '');
	} else if (typeof URLParams == 'undefined') { // If user did not set params, set params to admin-defined options. (This means that the page was 'auto-revealed' by admin options.)
		URLParams = '?feed=voyeur';
		URLParams += '&author=' + '<?php if (isset($vwpOptions['voyeur_authors'])) echo $vwpOptions['voyeur_authors']; ?>';
		URLParams += '&cat=' + '<?php if (isset($vwpOptions['voyeur_categories'])) echo $vwpOptions['voyeur_categories']; ?>';
		URLParams += '&tag=' + '<?php if (isset($vwpOptions['voyeur_tags']) && $vwpOptions['voyeur_tags'] != '') echo $vwpOptions['voyeur_tags']; ?>';
		URLParams += '&day=' + '<?php if (isset($vwpOptions['voyeur_time_day'])) echo $vwpOptions['voyeur_time_day']; ?>';
		URLParams += '&monthnum=' + '<?php if (isset($vwpOptions['voyeur_time_month'])) echo $vwpOptions['voyeur_time_month']; ?>';
		URLParams += '&year=' + '<?php if (isset($vwpOptions['voyeur_time_year'])) echo $vwpOptions['voyeur_time_year']; ?>';
	}

	if (typeof URLParams != 'undefined') { // If URLParams are set now, prepare the pageURLs with them
		URLParams = rawurlencode(URLParams); // Encode params for Voyeur submission.
		var pageURL = '<?php echo $pageURL; ?>' + '/' + URLParams;
		var pageURLStrip = '<?php echo preg_replace('/[\W]/', '', $pageURL); ?>' + URLParams.replace(/[^a-zA-Z0-9]+/g, '');
	}

  if (typeof unixTimestamp != 'undefined' && unixTimestamp != '') { // Add the unix timestamp to the corpus if it exists. (For backend Voyeur use.)
    pageURLStrip += unixTimestamp;
  }
	voyeurLogo.attr('style', 'display:none;'); // Hide the Voyeur logo when user chooses options.
	var fullVoyeurURL = 'http://voyeurtools.org/tool/' + voyeurTool + '/?inputFormat=RSS2&splitDocuments=true';

  // Begin to add additional Voyeur params.
  if ('<?php if (isset($vwpOptions['remove_func_words'])) echo $vwpOptions['remove_func_words']; ?>' != '') {
    fullVoyeurURL += '&stopList=stop.en.taporware.txt';
  }
  if (voyeurTool == 'Cirrus' && '<?php if (isset($vwpOptions['voyeur_limit_input'])) echo $vwpOptions['voyeur_limit_input']; ?>' != '') {
    fullVoyeurURL += '&limit=' + '<?php echo $vwpOptions['voyeur_limit_input']; ?>';
  }
  if (voyeurTool == 'CorpusTypeFrequenciesGrid' && '<?php if (isset($vwpOptions['voyeur_query_input'])) echo $vwpOptions['voyeur_query_input']; ?>' != '') {
    fullVoyeurURL += '&query=' + '<?php echo $vwpOptions['voyeur_query_input']; ?>';
  }
  fullVoyeurURL += '&corpus=' + pageURLStrip + '&archive=' + pageURL;
	// Change the iFrame link to the custom URL for Voyeur, and remove the iFrame from being hidden.
	voyeurIframe.attr({
		// This is the URL to be sent to retrieve Voyeur information.
		src: fullVoyeurURL,
		width: "<?php if (isset($vwpOptions['voyeur_width'])) echo $vwpOptions['voyeur_width']; else echo '100'; ?>%",
		height: "<?php if (isset($vwpOptions['voyeur_height'])) echo $vwpOptions['voyeur_height']; else echo '250'; ?>"
	}).removeAttr('style'); // Remove 'display:none'.
} // end vwp_loadVoyeur()

/**
 * Listens for any clicks on any inputs in the Thickbox.
 *
 * If anything clicked, we update the box via AJAX, graying out options no longer applicable.
 *
 * @param object voyeurWindowAjax References jQuery where the AJAX window is. (Thickbox window.)
 * @param object ajaxRef References a jQuery AJAX instance.
 */
function vwp_optionsListener(voyeurWindowAjax, ajaxRef) { // Listens for user clicks within the Voyeur options window.
	voyeurWindowAjax.find(':checkbox').click(function() { // If any checkbox clicked, find new checkboxes / info.
		var authorValues = '&author=';
		var categoryValues = '&category=';
		// Create arrays to store clicked box data in.
		boxValues = []; // Stores actual value (Like 1 for author, 63 for category, etc.)
		boxNames = []; // Stores name/type of clicked box (Like author, category, etc.)

		voyeurWindowAjax.find(':checkbox:checked').each(function(index, value) {
			boxValues.push(value.value);
			boxNames.push(value.name);
		});

		for (var i=0; i < boxValues.length; i++) { // Construct strings to pass thru AJAX URL.
			if (boxNames[i] == 'author') {
				authorValues += boxValues[i] + ',';
			} else if (boxNames[i] == 'category') {
				categoryValues += boxValues[i] + ',';
			}
		}

		// If no boxes clicked, do not pass these into URL.
		if (authorValues == '&author=')
			authorValues = '';
		if (categoryValues == '&category=')
			categoryValues = '';
		
  // ===========================
  // ==   Update checkboxes   ==
  // ===========================	
		
		ajaxRef({
			type: 'POST',
			url: pluginURL + '/voyeurWP-ajax.php',
			data: 'action=loadVals' + authorValues + categoryValues,
			success: function(msg) { // Run the function that shows our dialog if any checkboxes checked.
				validBoxes = eval('(' + msg + ')'); // Create an object with all checkboxes that should NOT be grayed.
				voyeurWindowAjax.find(':checkbox').each(function(index, value) {
					if (value.name == 'author') {
						// Check if box value NOT in authors or if authors even exists.
						if ((validBoxes.authors && !(value.value in validBoxes.authors)) || !validBoxes.authors) {
							value.disabled = true;
							value.checked = '';
						} else if (value.disabled = true) {
							value.disabled = false;
						}
					} else if (value.name == 'category') {
						// Check if box value NOT in categories or if categories even exists.
						if ((validBoxes.categories && !(value.value in validBoxes.categories)) || !validBoxes.categories) {
							value.disabled = true;
							value.checked = '';
						} else if (value.disabled = true) {
							value.disabled = false;
						}
					}
				});
			}
		});
	});
} // end vwp_optionsListener()

/**
 * Encodes URLs exactly the same as PHP.
 *
 * @param string str The text/URL to be encoded.
 */
function rawurlencode (str) {
    // http://kevin.vanzonneveld.net
    str = (str+'').toString();
    return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').
                                                                    replace(/\)/g, '%29').replace(/\*/g, '%2A');
}