BI-148724 fix: 树控件查看已选项连发两次请求

packages/fineui/src/widget/multiselect/trigger/switcher.checkselected.js

@@ -10,6 +10,7 @@ export class MultiSelectCheckSelectedSwitcher extends Widget {
     static EVENT_TRIGGER_CHANGE = "EVENT_TRIGGER_CHANGE";
     static EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
     static EVENT_AFTER_HIDEVIEW = "EVENT_AFTER_HIDEVIEW";
+    static EVENT_TRIGGER_COMBO = "EVENT_TRIGGER_COMBO";
 
     _defaultConfig() {
         return extend(super._defaultConfig(...arguments), {
@@ -48,6 +49,7 @@ export class MultiSelectCheckSelectedSwitcher extends Widget {
                     itemsCreator: o.itemsCreator,
                     onClickContinueSelect() {
                         self.switcher.hideView();
+                        self.fireEvent(MultiSelectCheckSelectedSwitcher.EVENT_TRIGGER_COMBO);
                     },
                     ref(_ref) {
                         self.checkPane = _ref;

packages/fineui/src/widget/multitree/multi.tree.combo.js

@@ -182,6 +182,7 @@ export class MultiTreeCombo extends Single {
             return self.combo.isViewVisible();
         }
 
+        let shouldComboPopulate = true;
         this.trigger.on(MultiSelectTrigger.EVENT_FOCUS, () => {
             self.fireEvent(MultiTreeCombo.EVENT_FOCUS);
         });
@@ -259,7 +260,7 @@ export class MultiTreeCombo extends Single {
             }
             self.combo.setValue(self.storeValue);
             self.numberCounter.setValue(self.storeValue);
-            self.populate();
+            shouldComboPopulate && self.populate();
             self.fireEvent(MultiTreeCombo.EVENT_BEFORE_POPUPVIEW);
         });
         this.combo.on(Combo.EVENT_BEFORE_HIDEVIEW, () => {
@@ -316,10 +317,18 @@ export class MultiTreeCombo extends Single {
             valueFormatter: o.valueFormatter,
             value: { value: o.value || {} },
         });
+        this.numberCounter.on(
+            MultiSelectCheckSelectedSwitcher.EVENT_TRIGGER_COMBO,
+            () => {
+                self.populate();
+                shouldComboPopulate = true;
+            }
+        );
         this.numberCounter.on(
             MultiSelectCheckSelectedSwitcher.EVENT_TRIGGER_CHANGE,
             () => {
                 if (!self.combo.isViewVisible()) {
+                    shouldComboPopulate = false;
                     self.combo.showView();
                 }
             }