From 5d987f8fb6c06f9e64dae933638875ecca8634be Mon Sep 17 00:00:00 2001
From: lxsang <xsang.le@gmail.com>
Date: Fri, 28 Feb 2020 18:59:41 +0100
Subject: [PATCH] multiselect

---
 src/core/tags/ListViewTag.coffee          | 29 +++++++++++++++++++----
 src/packages/ShowCase/coffees/main.coffee |  5 +++-
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/src/core/tags/ListViewTag.coffee b/src/core/tags/ListViewTag.coffee
index cf8469d..3deca8f 100644
--- a/src/core/tags/ListViewTag.coffee
+++ b/src/core/tags/ListViewTag.coffee
@@ -71,12 +71,16 @@ class ListViewTag extends Ant.OS.GUI.BaseTag
         @setopt "itemtag", "afx-list-item"
         @setopt "multiselect", false
         @setopt "selectedItem", undefined
-        @setopt "selectedIndex", -1
+        @setopt "selectedItems", []
         @items = []
         $(@root)
             .css "display", "flex"
             .css "flex-direction", "column"
 
+    multiselect: () ->
+        @get "multiselect"
+
+
     on_buttons_changed: (v) ->
         return if @get "dropdown"
     
@@ -94,21 +98,36 @@ class ListViewTag extends Ant.OS.GUI.BaseTag
                 .set "ondbclick", (e) ->
                     me.idbclick e
                 .set "onclick", (e) ->
-                    return if not e.item or e.item is me.selectedItem
-                    e.item.set "selected", true
+                    me.iclick e
                 .set "onselect", (e) ->
                     me.iselect e
                 .set "onclose", (e) ->
                     me.iclose e
 
+    iclick: (e) ->
+        return if not e.item
+        list = @get("selectedItems")
+        if @multiselect() and list.includes(e.item)
+            list.splice(list.indexOf(e.item))
+            return e.item.set "selected", false
+        
+        e.item.set "selected", true
+
     icontextmenu: (e) ->
         console.log "context menu", e
     idbclick: (e) ->
         console.log "db click", e
     iselect: (e) ->
         return unless e.item
-        @selectedItem.set "selected", false if @selectedItem
-        @selectedItem = e.item
+        if @multiselect()
+            return if @get("selectedItems").includes e.item
+            @set "selectedItem", e.item
+            @get("selectedItems").push e.item
+            e.items = @get("selectedItems")
+        else
+            @get("selectedItem").set "selected", false if @get("selectedItem")
+            @set "selectedItem", e.item
+            @set "selectedItems", [e.item]
         @get("onlistselect")(e)
 
     iclose: (e) ->
diff --git a/src/packages/ShowCase/coffees/main.coffee b/src/packages/ShowCase/coffees/main.coffee
index 2315bfe..648dd6a 100644
--- a/src/packages/ShowCase/coffees/main.coffee
+++ b/src/packages/ShowCase/coffees/main.coffee
@@ -50,7 +50,7 @@ class ShowCase extends this.OS.GUI.BaseApplication
                     </afx-hbox>
                     <afx-resizer data-height="5" />
                     <afx-hbox>
-                        <afx-list-view data-id="list" />
+                        <afx-list-view data-id="list" multiselect="true" />
                     </afx-hbox>
                      <afx-hbox data-height="150">
                         <div>box center 3</div>
@@ -90,6 +90,9 @@ class ShowCase extends this.OS.GUI.BaseApplication
             { text: "some thing 4" },
             { text: "some thing 5" }
         ]
+        list[0].set "onlistselect", (e) ->
+            console.log(e.items)
+        
 
 ShowCase.singleton = true
 this.OS.register "ShowCase", ShowCase
\ No newline at end of file