控件属性传递插件接口

designer/src/com/fr/design/widget/WidgetPane.java

@@ -1,6 +1,7 @@
 package com.fr.design.widget;
 
 import com.fr.design.ExtraDesignClassManager;
+import com.fr.design.fun.WidgetDesignHandler;
 import com.fr.design.gui.core.WidgetOption;
 import com.fr.design.gui.icombobox.UIComboBox;
 import com.fr.design.gui.icombobox.UIComboBoxRenderer;
@@ -30,6 +31,7 @@ public class WidgetPane extends BasicPane implements ItemListener {
     private CellWidgetCardPane cellEditorCardPane;
     private boolean shouldFireSelectedEvent;
     protected JPanel northPane;
+    private Widget oldWidget;//记录一下上次编辑的插件
 
     public WidgetPane() {
         this(null);
@@ -42,6 +44,14 @@ public class WidgetPane extends BasicPane implements ItemListener {
         this.initComponents(pane);
     }
 
+    public Widget getOldWidget() {
+        return oldWidget;
+    }
+
+    public void setOldWidget(Widget oldWidget) {
+        this.oldWidget = oldWidget;
+    }
+
     protected void initComponents(ElementCasePane pane) {
         this.setLayout(FRGUIPaneFactory.createBorderLayout());
         this.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
@@ -66,11 +76,17 @@ public class WidgetPane extends BasicPane implements ItemListener {
     public void itemStateChanged(ItemEvent e) {
         if (e.getStateChange() == ItemEvent.SELECTED) {
             if (e.getItem() instanceof Item && ((Item) e.getItem()).getValue() instanceof WidgetConfig) {
+                Widget newWidget = editorTypeComboBox.getCellWidget();
+
                 populate(editorTypeComboBox.getCellWidget());
                 return;
             }
             if (shouldFireSelectedEvent) {
                 Widget selectedItem = editorTypeComboBox.getCellWidget();
+                WidgetDesignHandler handler = ExtraDesignClassManager.getInstance().getWidgetDesignHandler();
+                if (handler != null) {
+                    selectedItem = handler.dealWithWidget(getOldWidget(), selectedItem);
+                }
                 populateWidgetConfig(selectedItem);
             }
         }
@@ -82,6 +98,7 @@ public class WidgetPane extends BasicPane implements ItemListener {
     }
 
     public void populate(Widget widget) {
+        setOldWidget(widget);
         if (widget == null) {
             widget = new TextEditor();
         }

designer_base/src/com/fr/design/ExtraDesignClassManager.java

@@ -132,6 +132,16 @@ public class ExtraDesignClassManager extends XMLFileManager implements ExtraDesi
 
     private Set<WidgetAttrProvider> widgetAttrProviders;
 
+    private WidgetDesignHandler widgetDesignHandler;
+
+    public WidgetDesignHandler getWidgetDesignHandler() {
+        return widgetDesignHandler;
+    }
+
+    public void setWidgetDesignHandler(Level level, PluginSimplify simplify) throws Exception {
+        widgetDesignHandler = (WidgetDesignHandler) level;
+    }
+
     public TableDataTreePaneProcessor getTableDataTreePaneProcessor() {
         return tableDataTreePaneProcessor;
     }
@@ -847,6 +857,8 @@ public class ExtraDesignClassManager extends XMLFileManager implements ExtraDesi
                 addElementUIProvider(impl, simplify);
             } else if (tagName.equals(WidgetAttrProvider.XML_TAG)) {
                 addWidgetAttrProvider(impl, simplify);
+            } else if (tagName.equals(WidgetDesignHandler.XML_TAG)) {
+                setWidgetDesignHandler(impl, simplify);
             }
         } catch (PluginInvalidLevelException e) {
             PluginMessage.remindUpdate(e.getMessage());

designer_base/src/com/fr/design/fun/WidgetDesignHandler.java

@@ -0,0 +1,22 @@
+package com.fr.design.fun;
+
+import com.fr.form.ui.Widget;
+import com.fr.stable.fun.Level;
+
+/**
+ * Coder: zack
+ * Date: 2016/5/12
+ * Time: 10:37
+ */
+public interface WidgetDesignHandler extends Level {
+    String XML_TAG = "WidgetDesignHandler";
+    int CURRENT_LEVEL = 1;
+    /**
+     * 控件设置的时候对原控件和新控件的一些特殊处理（比如属性的传递，默认属性的设置等）
+     *
+     * @param oldWidget 老控件
+     * @param newWidget 新控件
+     * @return 处理后的控件
+     */
+    Widget dealWithWidget(Widget oldWidget, Widget newWidget);
+}

designer_base/src/com/fr/design/fun/impl/AbstractWidgetDesignHandler.java

@@ -0,0 +1,16 @@
+package com.fr.design.fun.impl;
+
+import com.fr.design.fun.WidgetDesignHandler;
+import com.fr.form.ui.Widget;
+
+/**
+ * Coder: zack
+ * Date: 2016/5/12
+ * Time: 10:41
+ */
+public abstract class AbstractWidgetDesignHandler implements WidgetDesignHandler {
+    @Override
+    public Widget dealWithWidget(Widget oldWidget, Widget newWidget) {
+        return newWidget;
+    }
+}