closes #2134

public/language/en_GB/topic.json

@@ -59,6 +59,7 @@
 	"thread_tools.move_all": "Move All",
 	"thread_tools.fork": "Fork Topic",
 	"thread_tools.delete": "Delete Topic",
+	"thread_tools.delete-posts": "Delete Posts",
 	"thread_tools.delete_confirm": "Are you sure you want to delete this topic?",
 	"thread_tools.restore": "Restore Topic",
 	"thread_tools.restore_confirm": "Are you sure you want to restore this topic?",
@@ -90,6 +91,7 @@
 	"fork_topic_instruction": "Click the posts you want to fork",
 	"fork_no_pids": "No posts selected!",
 	"fork_success": "Successfully forked topic! Click here to go to the forked topic.",
+	"delete_posts_instruction": "Click the posts you want to delete/purge",
 
 	"composer.title_placeholder": "Enter your topic title here...",
 	"composer.handle_placeholder": "Name",

public/src/client/topic/delete-posts.js

@@ -0,0 +1,105 @@
+'use strict';
+
+/* globals define, app, ajaxify, socket, templates, translator */
+
+define('forum/topic/delete-posts', ['components', 'postSelect'], function(components, postSelect) {
+
+	var DeletePosts = {},
+		modal,
+		deleteBtn,
+		purgeBtn;
+
+	DeletePosts.init = function() {
+		$('.topic').on('click', '[component="topic/delete/posts"]', onDeletePostsClicked);
+	};
+
+	function onDeletePostsClicked() {
+		parseModal(function(html) {
+			modal = $(html);
+
+			modal.on('hidden.bs.modal', function() {
+				modal.remove();
+			});
+
+			deleteBtn = modal.find('#delete_posts_confirm');
+			purgeBtn = modal.find('#purge_posts_confirm');
+
+			showModal();
+
+			modal.find('.close,#delete_posts_cancel').on('click', closeModal);
+
+			postSelect.init(function() {
+				checkButtonEnable();
+				showPostsSelected();
+			});
+			showPostsSelected();
+
+			deleteBtn.on('click', function() {
+				deletePosts(deleteBtn, 'posts.deletePosts');
+			});
+			purgeBtn.on('click', function() {
+				deletePosts(purgeBtn, 'posts.purgePosts');
+			});
+		});
+	}
+
+	function parseModal(callback) {
+		templates.parse('partials/delete_posts_modal', {}, function(html) {
+			translator.translate(html, callback);
+		});
+	}
+
+	function showModal() {
+		modal.modal({backdrop: false, show: true})
+			.css('position', 'fixed')
+			.css('left', Math.max(0, (($(window).width() - modal.outerWidth()) / 2) + $(window).scrollLeft()) + 'px')
+			.css('top', '0px')
+			.css('z-index', '2000');
+	}
+
+	function deletePosts(btn, command) {
+		btn.attr('disabled', true);
+		socket.emit(command, {
+			tid: ajaxify.data.tid,
+			pids: postSelect.pids
+		}, function(err) {
+			btn.removeAttr('disabled');
+			if (err) {
+				return app.alertError(err.message);
+			}
+
+			closeModal();
+		});
+	}
+
+	function showPostsSelected() {
+		if (postSelect.pids.length) {
+			modal.find('#pids').text(postSelect.pids.join(', '));
+		} else {
+			modal.find('#pids').translateHtml('[[topic:fork_no_pids]]');
+		}
+	}
+
+	function checkButtonEnable() {
+		if (postSelect.pids.length) {
+			deleteBtn.removeAttr('disabled');
+			purgeBtn.removeAttr('disabled');
+		} else {
+			deleteBtn.attr('disabled', true);
+			purgeBtn.attr('disabled', true);
+		}
+	}
+
+	function closeModal() {
+		postSelect.pids.forEach(function(pid) {
+			components.get('post', 'pid', pid).css('opacity', 1);
+		});
+
+		modal.modal('hide');
+
+		components.get('topic').off('click', '[data-pid]');
+		postSelect.enableClicksOnPosts();
+	}
+
+	return DeletePosts;
+});

public/src/client/topic/fork.js

@@ -2,29 +2,16 @@
 
 /* globals define, app, ajaxify, socket, templates, translator */
 
-define('forum/topic/fork', ['components'], function(components) {
+define('forum/topic/fork', ['components', 'postSelect'], function(components, postSelect) {
 
 	var Fork = {},
 		forkModal,
-		forkCommit,
-		pids = [];
+		forkCommit;
 
 	Fork.init = function() {
 		$('.topic').on('click', '[component="topic/fork"]', onForkThreadClicked);
 	};
 
-	function disableClicks() {
-		return false;
-	}
-
-	function disableClicksOnPosts() {
-		components.get('post').on('click', 'button,a', disableClicks);
-	}
-
-	function enableClicksOnPosts() {
-		components.get('post').off('click', 'button,a', disableClicks);
-	}
-
 	function onForkThreadClicked() {
 		parseModal(function(html) {
 			forkModal = $(html);
@@ -34,21 +21,19 @@ define('forum/topic/fork', ['components'], function(components) {
 			});
 
 			forkCommit = forkModal.find('#fork_thread_commit');
-			pids.length = 0;
 
 			showForkModal();
-			showNoPostsSelected();
 
 			forkModal.find('.close,#fork_thread_cancel').on('click', closeForkModal);
 			forkModal.find('#fork-title').on('change', checkForkButtonEnable);
-			components.get('topic').on('click', '[data-pid]', function() {
-				togglePostSelection($(this));
-			});
 
-			disableClicksOnPosts();
+			postSelect.init(function() {
+				checkForkButtonEnable();
+				showPostsSelected();
+			});
+			showPostsSelected();
 
 			forkCommit.on('click', createTopicFromPosts);
-
 		});
 	}
 
@@ -70,7 +55,7 @@ define('forum/topic/fork', ['components'], function(components) {
 		forkCommit.attr('disabled', true);
 		socket.emit('topics.createTopicFromPosts', {
 			title: forkModal.find('#fork-title').val(),
-			pids: pids
+			pids: postSelect.pids
 		}, function(err, newTopic) {
 			function fadeOutAndRemove(pid) {
 				components.get('post', 'pid', pid).fadeOut(500, function() {
@@ -92,46 +77,24 @@ define('forum/topic/fork', ['components'], function(components) {
 				}
 			});
 
-			for(var i=0; i<pids.length; ++i) {
-				fadeOutAndRemove(pids[i]);
-			}
+			postSelect.pids.forEach(function(pid) {
+				fadeOutAndRemove(pid);
+			});
+
 			closeForkModal();
 		});
 	}
 
-	function togglePostSelection(post) {
-		var newPid = post.attr('data-pid');
-
-		if (parseInt(post.attr('data-index'), 10) === 0) {
-			return;
-		}
-
-		if (newPid) {
-			var index = pids.indexOf(newPid);
-			if(index === -1) {
-				pids.push(newPid);
-				post.css('opacity', '0.5');
-			} else {
-				pids.splice(index, 1);
-				post.css('opacity', '1.0');
-			}
-
-			if (pids.length) {
-				pids.sort(function(a,b) { return a - b; });
-				forkModal.find('#fork-pids').text(pids.join(', '));
-			} else {
-				showNoPostsSelected();
-			}
-			checkForkButtonEnable();
+	function showPostsSelected() {
+		if (postSelect.pids.length) {
+			forkModal.find('#fork-pids').text(postSelect.pids.join(', '));
+		} else {
+			forkModal.find('#fork-pids').translateHtml('[[topic:fork_no_pids]]');
 		}
 	}
 
-	function showNoPostsSelected() {
-		forkModal.find('#fork-pids').translateHtml('[[topic:fork_no_pids]]');
-	}
-
 	function checkForkButtonEnable() {
-		if (forkModal.find('#fork-title').length && pids.length) {
+		if (forkModal.find('#fork-title').length && postSelect.pids.length) {
 			forkCommit.removeAttr('disabled');
 		} else {
 			forkCommit.attr('disabled', true);
@@ -139,14 +102,14 @@ define('forum/topic/fork', ['components'], function(components) {
 	}
 
 	function closeForkModal() {
-		for (var i=0; i<pids.length; ++i) {
-			components.get('post', 'pid', pids[i]).css('opacity', 1);
-		}
+		postSelect.pids.forEach(function(pid) {
+			components.get('post', 'pid', pid).css('opacity', 1);
+		});
 
 		forkModal.modal('hide');
 
 		components.get('topic').off('click', '[data-pid]');
-		enableClicksOnPosts();
+		postSelect.enableClicksOnPosts();
 	}
 
 	return Fork;

public/src/client/topic/threadTools.js

@@ -2,7 +2,13 @@
 
 /* globals define, app, ajaxify, socket, bootbox, templates */
 
-define('forum/topic/threadTools', ['forum/topic/fork', 'forum/topic/move', 'components', 'translator'], function(fork, move, components, translator) {
+define('forum/topic/threadTools', [
+	'forum/topic/fork',
+	'forum/topic/move',
+	'forum/topic/delete-posts',
+	'components',
+	'translator'
+], function(fork, move, deletePosts, components, translator) {
 
 	var ThreadTools = {};
 
@@ -64,6 +70,7 @@ define('forum/topic/threadTools', ['forum/topic/fork', 'forum/topic/move', 'comp
 			return false;
 		});
 
+		deletePosts.init();
 		fork.init();
 
 		components.get('topic').on('click', '[component="topic/follow"], [component="topic/unfollow"]', follow);

public/src/modules/postSelect.js

@@ -0,0 +1,59 @@
+'use strict';
+
+/* globals define*/
+
+define('postSelect', ['components'], function(components) {
+	var PostSelect = {};
+
+	PostSelect.pids = [];
+
+	PostSelect.init = function(onSelect) {
+		PostSelect.pids.length = 0;
+		components.get('topic').on('click', '[data-pid]', function() {
+			togglePostSelection($(this), onSelect);
+		});
+		disableClicksOnPosts();
+	};
+
+
+	function togglePostSelection(post, callback) {
+		var newPid = post.attr('data-pid');
+
+		if (parseInt(post.attr('data-index'), 10) === 0) {
+			return;
+		}
+
+		if (newPid) {
+			var index = PostSelect.pids.indexOf(newPid);
+			if(index === -1) {
+				PostSelect.pids.push(newPid);
+				post.css('opacity', '0.5');
+			} else {
+				PostSelect.pids.splice(index, 1);
+				post.css('opacity', '1.0');
+			}
+
+			if (PostSelect.pids.length) {
+				PostSelect.pids.sort(function(a,b) { return a - b; });
+			}
+			callback();
+		}
+	}
+
+
+	function disableClicks() {
+		return false;
+	}
+
+	function disableClicksOnPosts() {
+		components.get('post').on('click', 'button,a', disableClicks);
+	}
+
+	PostSelect.enableClicksOnPosts = function() {
+		components.get('post').off('click', 'button,a', disableClicks);
+	};
+
+
+
+	return PostSelect;
+});

src/socket.io/posts/tools.js

@@ -52,6 +52,24 @@ module.exports = function(SocketPosts) {
 		doPostAction('restore', 'event:post_restored', socket, data, callback);
 	};
 
+	SocketPosts.deletePosts = function(socket, data, callback) {
+		if (!data || !Array.isArray(data.pids)) {
+			return callback(new Error('[[error:invalid-data]]'));
+		}
+		async.each(data.pids, function(pid, next) {
+			SocketPosts.delete(socket, {pid: pid, tid: data.tid}, next);
+		}, callback);
+	};
+
+	SocketPosts.purgePosts = function(socket, data, callback) {
+		if (!data || !Array.isArray(data.pids)) {
+			return callback(new Error('[[error:invalid-data]]'));
+		}
+		async.each(data.pids, function(pid, next) {
+			SocketPosts.purge(socket, {pid: pid, tid: data.tid}, next);
+		}, callback);
+	};
+
 	function doPostAction(command, eventName, socket, data, callback) {
 		if (!data) {
 			return callback(new Error('[[error:invalid-data]]'));