Pull request #2092: REPORT-37289 【10.0.9冒烟】frm模板tab，在设计器内进行多次来回点击切换，发现会偶然的点击失效或卡顿

Merge in DESIGN/design from ~HADES/design:release/10.0 to release/10.0

* commit '71078002fe599dbe0aa27437af47d90683b4dd64':
  REPORT-37289  处理下npe
  REPORT-37289 【10.0.9冒烟】frm模板tab，在设计器内进行多次来回点击切换，发现会偶然的点击失效或卡顿

designer-form/src/main/java/com/fr/design/mainframe/EditingMouseListener.java

@@ -79,6 +79,9 @@ public class EditingMouseListener extends MouseInputAdapter {
     //备份开始拖动的位置和大小
     private Rectangle dragBackupBounds;
 
+    private int pressX;
+    private int pressY;
+
     /**
      * 获取最小移动距离
      *
@@ -141,6 +144,8 @@ public class EditingMouseListener extends MouseInputAdapter {
     public void mousePressed(MouseEvent e) {
         int oldX = e.getX();
         int oldY = e.getY();
+        pressX = oldX;
+        pressY = oldY;
         offsetEventPoint(e);
         if (!stopEditing()) {
             return;
@@ -189,6 +194,7 @@ public class EditingMouseListener extends MouseInputAdapter {
      * @param e 鼠标事件
      */
     public void mouseReleased(MouseEvent e) {
+        MouseEvent transEvent = new MouseEvent(e.getComponent(), MouseEvent.MOUSE_CLICKED, e.getWhen(), e.getModifiers(),  e.getX(), e.getY(),  e.getXOnScreen(), e.getYOnScreen(), e.getClickCount(), e.isPopupTrigger(), e.getButton());
         int oldX = e.getX();
         int oldY = e.getY();
         offsetEventPoint(e);
@@ -213,6 +219,12 @@ public class EditingMouseListener extends MouseInputAdapter {
         lastPressEvent = null;
         lastXCreator = null;
         e.translatePoint(oldX - e.getX(), oldY - e.getY());
+        if (pressX != oldX || pressY != oldY) {
+            // click只有在mouseReleased和mousePressed前后x/y坐标相等时才会被触发在mouseReleased之后
+            // 但是当使用者来回点击切换时 存在mouseReleased和mousePressed前后x/y坐标不相等的情况 即鼠标按下去的位置和鼠标释放的位置不相等 存在偏移
+            // 当这种偏移很小时 看起来就好像是点击了 实际上是手抖了或者鼠标轻微滑动了 所以这里对这种情况要有容错处理
+            mouseClicked(transEvent);
+        }
     }
 
     private void mouseDraggingRelease(MouseEvent e) {

designer-form/src/main/java/com/fr/design/parameter/ParameterPropertyPane.java

@@ -1,5 +1,6 @@
 package com.fr.design.parameter;
 
+import com.fr.base.Parameter;
 import com.fr.design.constants.UIConstants;
 import com.fr.design.designer.creator.XCreator;
 import com.fr.design.designer.creator.XWParameterLayout;
@@ -124,7 +125,8 @@ public class ParameterPropertyPane extends JPanel{
             hideInJForm = jt instanceof JForm &&
 					!(creator instanceof XWParameterLayout || creator.getParent() instanceof XWParameterLayout);
         } catch (NullPointerException ex) {
-			hideInJForm = toolbarPane.updateBean().length <= 0;
+        	Parameter[] parameters = toolbarPane.updateBean();
+			hideInJForm = parameters == null || parameters.length <= 0;
         }
         if (isVisible && toolbarPane.hasSelectedLabelItem() && !hideInJForm) {
             addParaPane.setVisible(true);