From b4b85ecc55a6787726627150a2ee93fd960ff2c6 Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Tue, 16 Jun 2009 01:39:32 +0000
Subject: added delete phototags capability

---
 actions/deletetag.php                 | 51 +++++++++++++++++++++++++++++++++++
 languages/en.php                      |  6 +++++
 start.php                             |  1 +
 views/default/js/tagging.php          | 29 +++++++++++++++++++-
 views/default/object/image.php        |  6 ++++-
 views/default/tidypics/css.php        | 12 +++++++++
 views/default/tidypics/image_menu.php | 11 +++++++-
 views/default/tidypics/tagging.php    | 16 +++++++++++
 8 files changed, 129 insertions(+), 3 deletions(-)
 create mode 100644 actions/deletetag.php

diff --git a/actions/deletetag.php b/actions/deletetag.php
new file mode 100644
index 000000000..cd76b0a1d
--- /dev/null
+++ b/actions/deletetag.php
@@ -0,0 +1,51 @@
+<?php
+	/**
+	 * Tidypics Delete Photo Tag
+	 * 
+	 */
+
+	gatekeeper();
+	action_gatekeeper();
+
+	//$user_id = get_input('user_id');
+	$image_guid = get_input('image_guid');
+	$tags = get_input('tags');
+	
+	
+	if ($image_guid == 0) {
+		register_error(elgg_echo("tidypics:phototagging:error"));
+		forward($_SERVER['HTTP_REFERER']);
+	}
+
+	$image = get_entity($image_guid);
+	if (!$image)
+	{
+		register_error(elgg_echo("tidypics:phototagging:error"));
+		forward($_SERVER['HTTP_REFERER']);
+	}
+	
+	foreach ($tags as $id => $value) {
+		// delete normal tag if it exists
+		if (is_array($image->tags)) {
+			$index = array_search($value[0], $image->tags);
+			if ($index !== false) {
+				$tagarray = $image->tags;
+				unset($tagarray[$index]);
+				$image->clearMetadata('tags');
+				$image->tags = $tagarray;
+			}
+		} else {
+			if ($value[0] === $image->tags) {
+				$image->clearMetadata('tags');
+			}
+		}
+		
+		// delete the photo tag annotation
+		delete_annotation($id);
+	}
+	
+	system_message(elgg_echo("tidypics:deletetag:success"));
+
+	forward($_SERVER['HTTP_REFERER']);
+
+?>
diff --git a/languages/en.php b/languages/en.php
index f1f3ed543..7c452c6e4 100644
--- a/languages/en.php
+++ b/languages/en.php
@@ -92,12 +92,18 @@
 			
 		// tagging
 			'tidypics:taginstruct' => 'Select area that you want to tag',
+			'tidypics:deltag_title' => 'Select tags to delete',
 			'tidypics:finish_tagging' => 'Stop tagging',
 			'tidypics:tagthisphoto' => 'Tag this photo',
+			'tidypics:deletetag' => 'Delete a photo tag',
 			'tidypics:actiontag' => 'Tag',
+			'tidypics:actiondelete' => 'Delete',
+			'tidypics:actioncancel' => 'Cancel',
 			'tidypics:inthisphoto' => 'In this photo',
 			'tidypics:phototagging:success' => 'Photo tag was successfully added',
 			'tidypics:phototagging:error' => 'Unexpected error occurred during tagging',
+			'tidypics:deletetag:success' => 'Selected tags were successfully deleted',
+			
 		
 		//widgets
 		
diff --git a/start.php b/start.php
index 2d4d40782..082dc1507 100644
--- a/start.php
+++ b/start.php
@@ -371,5 +371,6 @@
 	register_action("tidypics/edit_multi", false, $CONFIG->pluginspath. "tidypics/actions/edit_multi.php");
 	register_action("tidypics/download", true, $CONFIG->pluginspath . "tidypics/actions/download.php");
 	register_action("tidypics/addtag", true, $CONFIG->pluginspath . "tidypics/actions/addtag.php");
+	register_action("tidypics/deletetag", true, $CONFIG->pluginspath . "tidypics/actions/deletetag.php");
 
 ?>
\ No newline at end of file
diff --git a/views/default/js/tagging.php b/views/default/js/tagging.php
index e27af7fca..a79914196 100644
--- a/views/default/js/tagging.php
+++ b/views/default/js/tagging.php
@@ -139,7 +139,7 @@
 		$('#tag_control').text("Stop Tagging");
 		
 		showTagInstruct();
-		
+		$('#delete_tag_menu').hide();
 
 		$('#tidypics_image').hover(
 			function(){
@@ -252,4 +252,31 @@
 		//Show loading
 		//$("#tag_menu").replaceWith('<div align="center" class="ajax_loader"></div>');
 	}
+
+	function deleteTags()
+	{
+		offsetY = 60;
+		
+		divWidth = $('#delete_tag_menu').width();
+		imgOffset = $('#tidypics_image').offset();
+		imgWidth  = $('#tidypics_image').width();
+		offsetX   = parseInt((imgWidth - divWidth)/2);
+		
+		_top = imgOffset.top + offsetY;
+		_left = imgOffset.left + offsetX;
+
+		$('#delete_tag_menu').show().css({
+			"top": _top + "px",
+			"left": _left + "px"
+		});
+		
+		$('#tidypics_image').hover(
+			function(){
+				$('.tidypics_tag').hide();
+			},
+			function(){
+				$('.tidypics_tag').hide();
+			}
+		);
+	}
 </script>
\ No newline at end of file
diff --git a/views/default/object/image.php b/views/default/object/image.php
index 64109f1a2..1ab2e921a 100644
--- a/views/default/object/image.php
+++ b/views/default/object/image.php
@@ -47,6 +47,7 @@ if ($photo_tags) {
 			$photo_tags_json .= '{' . $photo_tag->coords . ',"text":"' . $phototag_text . '","id":"' . $p->id . '"},';
 		
 		$photo_tag_links[] = array($p->id, $phototag_text); // gave up on associative array for now
+		$photo_tag_texts[$p->id] = $phototag_text;
 	}
 	$photo_tags_json = rtrim($photo_tags_json,',');
 	$photo_tags_json .= ']';
@@ -184,16 +185,19 @@ if ($photo_tags) {
 		</div>
 <?php
 			// image menu (start tagging, download, etc.)
+			
 			echo '<div id="tidypics_controls"><ul>';
 			echo elgg_view('tidypics/image_menu', array('file_guid' => $file_guid, 
 														'viewer' => $viewer,
-														'owner' => $owner,) );
+														'owner' => $owner,
+														'anytags' => $photo_tags != '',) );
 			echo '</ul></div>'; 
 			
 			// tagging code
 			if (get_plugin_setting('tagging', 'tidypics') != "disabled") {
 				echo elgg_view('tidypics/tagging', array(	'photo_tags' => $photo_tags, 
 															'links' => $photo_tag_links,
+															'text' => $photo_tag_texts,
 															'photo_tags_json' => $photo_tags_json,
 															'file_guid' => $file_guid,
 															'viewer' => $viewer,
diff --git a/views/default/tidypics/css.php b/views/default/tidypics/css.php
index bc0073734..7564f1eaf 100644
--- a/views/default/tidypics/css.php
+++ b/views/default/tidypics/css.php
@@ -230,6 +230,18 @@ font-size:12px;
 text-align:left;
 }
 
+#delete_tag_menu {
+border:1px solid #3B5999; 
+width:200px; 
+position:absolute;
+z-index:10000; 
+display:none; 
+background:#ffffff; 
+padding:10px; 
+font-size:12px; 
+text-align:left;
+}
+
 .tidypics_tag {
 display:none;
 background:url(<?php echo $vars['url']; ?>mod/tidypics/graphics/spacer.gif); 
diff --git a/views/default/tidypics/image_menu.php b/views/default/tidypics/image_menu.php
index 9257d780a..5940a0138 100644
--- a/views/default/tidypics/image_menu.php
+++ b/views/default/tidypics/image_menu.php
@@ -13,15 +13,24 @@
 	$file_guid = $vars['file_guid'];
 	$viewer = $vars['viewer'];
 	$owner = $vars['owner'];
-	
+	$anytags = $vars['anytags'];
+
 	if (get_plugin_setting('tagging', 'tidypics') != "disabled") {
 		// only owner and friends of owner can tag
 		if ($viewer && $viewer->guid == $owner->guid || user_is_friend($owner->guid, $viewer->guid)) {
 ?>
 <li id="start_tagging"><a id="tag_control" href="javascript:void(0)" onclick="startTagging()"><?= elgg_echo('tidypics:tagthisphoto') ?></a></li>
+<?php
+		}
+		
+		// only owner can delete tags
+		if ($anytags && $viewer && $viewer->guid == $owner->guid) {
+?>
+<li id="delete_tags"><a href="javascript:void(0)" onclick="deleteTags()"><?= elgg_echo('tidypics:deletetag') ?></a></li>
 <?php
 		}
 	}
+	
 	if (get_plugin_setting('download_link', 'tidypics') != "disabled") { 
 ?>
 <li id="download_image"><a href="<?php echo $vars['url']; ?>action/tidypics/download?file_guid=<?php echo $file_guid; ?>"><?php echo elgg_echo("image:download"); ?></a></li>
diff --git a/views/default/tidypics/tagging.php b/views/default/tidypics/tagging.php
index 8ba58be4f..fdf40b3a5 100644
--- a/views/default/tidypics/tagging.php
+++ b/views/default/tidypics/tagging.php
@@ -5,6 +5,7 @@
 	$file_guid = $vars['file_guid'];
 	$viewer = $vars['viewer'];
 	$owner = $vars['owner'];
+	$tag_texts = $vars['text'];
 	
 	if ($photo_tags) { 
 ?>
@@ -53,6 +54,21 @@
 
 ?>
 </div>
+<div id="delete_tag_menu">
 <?php
+	if ($photo_tags) {
+		echo elgg_echo('tidypics:deltag_title') . '<br />';
+		$content = "<input type='hidden' name='image_guid' value='{$file_guid}' />";
+		foreach ($tag_texts as $id => $text) {
+			$name = "tags[{$id}]";
+			$content .= elgg_view("input/checkboxes", array('options' => array($text => $text), 'internalname' => $name, 'value' => '' ));
+		}
+		$content .= "<fieldset><button class='submit_button' type='submit'>" . elgg_echo('tidypics:actiondelete') . "</button></fieldset>";
+
+		echo elgg_view('input/form', array('internalname' => 'form-deletetag', 'action' => "{$vars['url']}action/tidypics/deletetag", 'body' => $content));
+
+	}
+	echo '</div>'; // delete_tag_menu
+	
 	echo elgg_view('js/tagging', array('photo_tags_json' => $photo_tags_json,) );
 ?>
\ No newline at end of file
-- 
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