Add multiselect support

Author: gary

src/components/blocks/mixins/contextMenuActions.js

@@ -65,6 +65,9 @@ export default {
      * Select file
      */
     selectAction() {
+      if (this.multiSelect) {
+        this.$store.state.fm.fileCallback(this.selectedItems.map(item => item.path))
+      }
       // file callback
       this.$store.dispatch('fm/url', {
         disk: this.selectedDisk,

src/components/blocks/mixins/contextMenuRules.js

@@ -54,7 +54,7 @@ export default {
      * @returns {boolean|null}
      */
     selectRule() {
-      return !this.multiSelect && this.firstItemType === 'file' &&
+      return this.firstItemType === 'file' &&
           this.$store.state.fm.fileCallback;
     },
 

src/components/manager/mixins/manager.js

@@ -101,7 +101,7 @@ export default {
       const alreadySelected = this.selected[type].includes(path);
 
       // if pressed Ctrl -> multi select
-      if (event.ctrlKey) {
+      if (event.shiftKey) {
         if (!alreadySelected) {
           // add new selected item
           this.$store.commit(`fm/${this.manager}/setSelected`, { type, path });
@@ -112,7 +112,7 @@ export default {
       }
 
       // single select
-      if (!event.ctrlKey && !alreadySelected) this.$store.commit(`fm/${this.manager}/changeSelected`, { type, path });
+      if (!event.shiftKey && !alreadySelected) this.$store.commit(`fm/${this.manager}/changeSelected`, { type, path });
     },
 
     /**