From 243f36e262cac98399ef6a941e3766cbaa525d19 Mon Sep 17 00:00:00 2001
From: redleafnew <redleafnew@163.com>
Date: Mon, 19 Apr 2021 14:45:56 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=BB=85=E5=88=A0=E9=99=A4?=
 =?UTF-8?q?=E9=99=84=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 chrome/content/overlay.xul        | 22 ++++++++++++----------
 chrome/content/scripts/delitem.js | 31 +++++++++++++++++++++++++++++++
 chrome/locale/en-US/overlay.dtd   |  4 +++-
 chrome/locale/zh-CN/overlay.dtd   |  6 ++++--
 4 files changed, 50 insertions(+), 13 deletions(-)

diff --git a/chrome/content/overlay.xul b/chrome/content/overlay.xul
index ca51cd5..8f90e36 100644
--- a/chrome/content/overlay.xul
+++ b/chrome/content/overlay.xul
@@ -11,19 +11,21 @@
         src="chrome://delitem/content/scripts/delitem.js"/>
 
 
-    <popup id="zotero-collectionmenu">
+    <menupopup id="zotero-collectionmenu">
         <menuitem
             id="zotero-collectionmenu-delitem"
             label="&zotero.delitem.delitems.label;"
             oncommand="Zotero.DelItem.DelColl()"/>
-    </popup>
+    </menupopup>
 
-    <popup
-        id="zotero-itemmenu"
-        onpopupshowing="ZoteroPane.buildItemContextMenu();">
-        <menuitem
-            id="zotero-itemmenu-delitem"
-            label="&zotero.delitem.delitem.label;"
-            oncommand="Zotero.DelItem.DelItem()"/>
-    </popup>
+    <menupopup id="zotero-itemmenu">
+        <menuseparator id="id-delitem-separator"/>
+		<menu id="zotero-itemmenu-delitem-namehandler" 
+            label="&zotero.delitem.namehandler.label;">
+            <menupopup id="delitem">
+                <menuitem id="zotero-itemmenu-delitem" label="&zotero.delitem.delitem.label;" oncommand="Zotero.DelItem.DelItem()"/> <!-- 删除条目和附件 -->
+                <menuitem id="zotero-itemmenu-delatt" label="&zotero.delitem.delatt.label;" oncommand="Zotero.DelItem.DelAtt()"/> <!-- 仅删除附件 -->
+            </menupopup>
+        </menu>
+    </menupopup>
 </overlay>
diff --git a/chrome/content/scripts/delitem.js b/chrome/content/scripts/delitem.js
index 19ff4a2..e89a507 100644
--- a/chrome/content/scripts/delitem.js
+++ b/chrome/content/scripts/delitem.js
@@ -22,6 +22,37 @@ Zotero.DelItem = {
         }
     },
 
+    DelAtt: async function () { // 仅删除附件调用的函数
+      
+        var zoteroPane = Zotero.getActiveZoteroPane();
+        var items = zoteroPane.getSelectedItems();
+        var truthBeTold = window.confirm("Are you sure you want to delete the attachment(s) of the item(s)? This action cannot be undone.")
+        if (truthBeTold) {
+            for (let item of items) { 
+                    if (item && !item.isNote()) { //2 if
+                        if (item.isRegularItem()) { // Regular Item 一般条目//3 if 
+                            let attachmentIDs = item.getAttachments();
+                                for (let id of attachmentIDs) { //4 for
+                                    let attachment = Zotero.Items.get(id);
+                                // if (attachment.attachmentContentType == 'text/html' ) { //可以筛选删除的附件类型
+                                        attachment.deleted = true; //删除附件(快照)
+                                        await attachment.saveTx();   
+                                // }
+                                    var file = await attachment.getFilePathAsync();
+                                    await OS.File.remove(file); //删除文件
+                                } //4 for
+                            } // 3 if
+                        if (item.isAttachment()) { //附件条目 5 if
+                            var file = await item.getFilePathAsync();
+                            await OS.File.remove(file); //删除文件
+                            item.deleted = true; 
+                            await item.saveTx();
+                            }//5if
+                 } //2 if
+            }
+        } 
+    },
+
     DelItems: async function (items) { //删除条目被调用的执行具体删除任务的函数
         Components.utils.import("resource://gre/modules/osfile.jsm");
         var zfPath = Zotero.ZotFile.getPref("dest_dir");   //得到zotfile路径
diff --git a/chrome/locale/en-US/overlay.dtd b/chrome/locale/en-US/overlay.dtd
index 96ce27a..b012f9f 100644
--- a/chrome/locale/en-US/overlay.dtd
+++ b/chrome/locale/en-US/overlay.dtd
@@ -1,2 +1,4 @@
-<!ENTITY zotero.delitem.delitem.label "Delete Item(s) with Attachment(s)">
+<!ENTITY zotero.delitem.delatt.label "Delete Attachment(s) only">
+<!ENTITY zotero.delitem.delitem.label "Delete Attachment(s) and Item(s)">
 <!ENTITY zotero.delitem.delitems.label "Delete Collection with Attachments">
+<!ENTITY zotero.delitem.namehandler.label "Delete Attachment(s)">
\ No newline at end of file
diff --git a/chrome/locale/zh-CN/overlay.dtd b/chrome/locale/zh-CN/overlay.dtd
index 92f000a..6d91624 100644
--- a/chrome/locale/zh-CN/overlay.dtd
+++ b/chrome/locale/zh-CN/overlay.dtd
@@ -1,2 +1,4 @@
-<!ENTITY zotero.delitem.delitem.label "删除条目包括附件">
-<!ENTITY zotero.delitem.delitems.label "删除分类条目包括附件">
\ No newline at end of file
+<!ENTITY zotero.delitem.delatt.label "仅删除附件">
+<!ENTITY zotero.delitem.delitem.label "删除附件和条目">
+<!ENTITY zotero.delitem.delitems.label "删除分类条目包括附件">
+<!ENTITY zotero.delitem.namehandler.label "删除附件">
\ No newline at end of file