Fixes #3200 ajax-based view previous link works for the wire

git-svn-id: http://code.elgg.org/elgg/trunk@8882 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 86 insertions, 0 deletions

diff --git a/mod/thewire/views/default/js/thewire.php b/mod/thewire/views/default/js/thewire.php
new file mode 100644
index 000000000..1eda90bee
--- /dev/null
+++ b/mod/thewire/views/default/js/thewire.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * The wire's JavaScript
+ */
+
+$site_url = elgg_get_site_url();
+
+?>
+
+elgg.provide('elgg.thewire');
+
+elgg.thewire.init = function() {
+	$("#thewire-textarea").live('keydown', function() {
+		elgg.thewire.textCounter(this, $("#thewire-characters-remaining span"), 140);
+	});
+	$("#thewire-textarea").live('keyup', function() {
+		elgg.thewire.textCounter(this, $("#thewire-characters-remaining span"), 140);
+	});
+
+	$(".thewire-previous").live('click', elgg.thewire.viewPrevious);
+}
+
+/**
+ * Update the number of characters left with every keystroke
+ *
+ * @param {Object}  textarea
+ * @param {Object}  status
+ * @param {integer} limit
+ * @return void
+ */
+elgg.thewire.textCounter = function(textarea, status, limit) {
+
+	var remaining_chars = limit - textarea.value.length;
+	status.html(remaining_chars);
+
+	if (remaining_chars < 0) {
+		status.parent().css("color", "#D40D12");
+		$("#thewire-submit-button").attr('disabled', 'disabled');
+		$("#thewire-submit-button").addClass('elgg-state-disabled');
+	} else {
+		status.parent().css("color", "");
+		$("#thewire-submit-button").removeAttr('disabled', 'disabled');
+		$("#thewire-submit-button").removeClass('elgg-state-disabled');
+	}
+}
+
+/**
+ * Display the previous wire post
+ *
+ * Makes Ajax call to load the html and handles changing the previous link
+ *
+ * @param {Object} event
+ * @return void
+ */
+elgg.thewire.viewPrevious = function(event) {
+	var $link = $(this);
+	var postGuid = $link.attr("href").split("/").pop();
+	var $previousDiv = $("#thewire-previous-" + postGuid);
+
+	if ($link.html() == "<?php echo elgg_echo('thewire:hide'); ?>") {
+		$link.html("<?php echo elgg_echo('thewire:previous'); ?>");
+		$link.attr("title", "<?php echo elgg_echo('thewire:previous:help'); ?>");
+		$previousDiv.slideUp(400);
+	} else {
+		$link.html("<?php echo elgg_echo('thewire:hide'); ?>");
+		$link.attr("title", "<?php echo elgg_echo('thewire:hide:help'); ?>");
+		
+		$.ajax({type: "GET",
+			url: "<?php echo $site_url . "ajax/view/thewire/previous"; ?>",
+			dataType: "html",
+			cache: false,
+			data: {guid: postGuid},
+			success: function(htmlData) {
+				if (htmlData.length > 0) {
+					$previousDiv.html(htmlData);
+					$previousDiv.slideDown(600);
+				}
+			}
+		});
+
+	}
+
+	event.preventDefault();
+}
+
+elgg.register_hook_handler('init', 'system', elgg.thewire.init);
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